diff options
Diffstat (limited to 'platform/web')
51 files changed, 15436 insertions, 0 deletions
diff --git a/platform/web/.eslintrc.engine.js b/platform/web/.eslintrc.engine.js new file mode 100644 index 0000000000..78df6d41d9 --- /dev/null +++ b/platform/web/.eslintrc.engine.js @@ -0,0 +1,10 @@ +module.exports = { + "extends": [ + "./.eslintrc.js", + ], + "globals": { + "InternalConfig": true, + "Godot": true, + "Preloader": true, + }, +}; diff --git a/platform/web/.eslintrc.js b/platform/web/.eslintrc.js new file mode 100644 index 0000000000..2c81f1f02d --- /dev/null +++ b/platform/web/.eslintrc.js @@ -0,0 +1,51 @@ +module.exports = { + "env": { + "browser": true, + "es2021": true, + }, + "extends": [ + "airbnb-base", + ], + "parserOptions": { + "ecmaVersion": 12, + }, + "ignorePatterns": "*.externs.js", + "rules": { + "func-names": "off", + // Use tabs for consistency with the C++ codebase. + "indent": ["error", "tab"], + "max-len": "off", + "no-else-return": ["error", {allowElseIf: true}], + "curly": ["error", "all"], + "brace-style": ["error", "1tbs", { "allowSingleLine": false }], + "no-bitwise": "off", + "no-continue": "off", + "no-self-assign": "off", + "no-tabs": "off", + "no-param-reassign": ["error", { "props": false }], + "no-plusplus": "off", + "no-unused-vars": ["error", { "args": "none" }], + "prefer-destructuring": "off", + "prefer-rest-params": "off", + "prefer-spread": "off", + "camelcase": "off", + "no-underscore-dangle": "off", + "max-classes-per-file": "off", + "prefer-arrow-callback": "off", + // Messes up with copyright headers in source files. + "spaced-comment": "off", + // Completely breaks emscripten libraries. + "object-shorthand": "off", + // Closure compiler (exported properties) + "quote-props": ["error", "consistent"], + "dot-notation": "off", + // No comma dangle for functions (it's madness, and ES2017) + "comma-dangle": ["error", { + "arrays": "always-multiline", + "objects": "always-multiline", + "imports": "always-multiline", + "exports": "always-multiline", + "functions": "never" + }], + } +}; diff --git a/platform/web/.eslintrc.libs.js b/platform/web/.eslintrc.libs.js new file mode 100644 index 0000000000..8e579fd462 --- /dev/null +++ b/platform/web/.eslintrc.libs.js @@ -0,0 +1,26 @@ +module.exports = { + "extends": [ + "./.eslintrc.js", + ], + "globals": { + "LibraryManager": true, + "mergeInto": true, + "autoAddDeps": true, + "HEAP8": true, + "HEAPU8": true, + "HEAP32": true, + "HEAPF32": true, + "ERRNO_CODES": true, + "FS": true, + "IDBFS": true, + "GodotOS": true, + "GodotConfig": true, + "GodotEventListeners": true, + "GodotRuntime": true, + "GodotFS": true, + "IDHandler": true, + "Browser": true, + "GL": true, + "XRWebGLLayer": true, + }, +}; diff --git a/platform/web/README.md b/platform/web/README.md new file mode 100644 index 0000000000..1265ca09df --- /dev/null +++ b/platform/web/README.md @@ -0,0 +1,22 @@ +# Web platform port + +This folder contains the C++ and JavaScript code for the Web platform port, +compiled using [Emscripten](https://emscripten.org/). + +It also contains a ESLint linting setup (see [`package.json`](package.json)). + +See also [`misc/dist/html`](/misc/dist/html) folder for additional files used by +this platform such as the html shell (web page). + +## Documentation + +- [Compiling for the Web](https://docs.godotengine.org/en/latest/development/compiling/compiling_for_web.html) + - Instructions on building this platform port from source. +- [Exporting for the Web](https://docs.godotengine.org/en/latest/tutorials/export/exporting_for_web.html) + - Instructions on using the compiled export templates to export a project. + +## Artwork license + +[`logo.png`](logo.png) and [`run_icon.png`](run_icon.png) are licensed under +[Creative Commons Attribution 3.0 Unported](https://www.w3.org/html/logo/faq.html#how-licenced) +per the HTML5 logo usage guidelines. diff --git a/platform/web/SCsub b/platform/web/SCsub new file mode 100644 index 0000000000..78d7ce4074 --- /dev/null +++ b/platform/web/SCsub @@ -0,0 +1,93 @@ +#!/usr/bin/env python + +Import("env") + +web_files = [ + "audio_driver_web.cpp", + "display_server_web.cpp", + "http_client_web.cpp", + "javascript_singleton.cpp", + "web_main.cpp", + "os_web.cpp", + "api/web_tools_editor_plugin.cpp", +] + +sys_env = env.Clone() +sys_env.AddJSLibraries( + [ + "js/libs/library_godot_audio.js", + "js/libs/library_godot_display.js", + "js/libs/library_godot_fetch.js", + "js/libs/library_godot_os.js", + "js/libs/library_godot_runtime.js", + "js/libs/library_godot_input.js", + ] +) + +if env["javascript_eval"]: + sys_env.AddJSLibraries(["js/libs/library_godot_javascript_singleton.js"]) + +for lib in sys_env["JS_LIBS"]: + sys_env.Append(LINKFLAGS=["--js-library", lib.abspath]) +for js in env["JS_PRE"]: + sys_env.Append(LINKFLAGS=["--pre-js", js.abspath]) +for ext in env["JS_EXTERNS"]: + sys_env["ENV"]["EMCC_CLOSURE_ARGS"] += " --externs " + ext.abspath + +build = [] +if env["gdnative_enabled"]: + build_targets = ["#bin/godot${PROGSUFFIX}.js", "#bin/godot${PROGSUFFIX}.wasm"] + if env["threads_enabled"]: + build_targets.append("#bin/godot${PROGSUFFIX}.worker.js") + # Reset libraries. The main runtime will only link emscripten libraries, not godot ones. + sys_env["LIBS"] = [] + # We use IDBFS. Since Emscripten 1.39.1 it needs to be linked explicitly. + sys_env.Append(LIBS=["idbfs.js"]) + # Configure it as a main module (dynamic linking support). + sys_env.Append(CCFLAGS=["-s", "MAIN_MODULE=1"]) + sys_env.Append(LINKFLAGS=["-s", "MAIN_MODULE=1"]) + sys_env.Append(CCFLAGS=["-s", "EXPORT_ALL=1"]) + sys_env.Append(LINKFLAGS=["-s", "EXPORT_ALL=1"]) + sys_env.Append(LINKFLAGS=["-s", "WARN_ON_UNDEFINED_SYMBOLS=0"]) + # Force exporting the standard library (printf, malloc, etc.) + sys_env["ENV"]["EMCC_FORCE_STDLIBS"] = "libc,libc++,libc++abi" + # The main emscripten runtime, with exported standard libraries. + sys = sys_env.Program(build_targets, ["web_runtime.cpp"]) + + # The side library, containing all Godot code. + wasm_env = env.Clone() + wasm_env.Append(CPPDEFINES=["WASM_GDNATIVE"]) # So that OS knows it can run GDNative libraries. + wasm_env.Append(CCFLAGS=["-s", "SIDE_MODULE=2"]) + wasm_env.Append(LINKFLAGS=["-s", "SIDE_MODULE=2"]) + wasm = wasm_env.add_program("#bin/godot.side${PROGSUFFIX}.wasm", web_files) + build = sys + [wasm[0]] +else: + build_targets = ["#bin/godot${PROGSUFFIX}.js", "#bin/godot${PROGSUFFIX}.wasm"] + if env["threads_enabled"]: + build_targets.append("#bin/godot${PROGSUFFIX}.worker.js") + # We use IDBFS. Since Emscripten 1.39.1 it needs to be linked explicitly. + sys_env.Append(LIBS=["idbfs.js"]) + build = sys_env.Program(build_targets, web_files + ["web_runtime.cpp"]) + +sys_env.Depends(build[0], sys_env["JS_LIBS"]) +sys_env.Depends(build[0], sys_env["JS_PRE"]) +sys_env.Depends(build[0], sys_env["JS_EXTERNS"]) + +engine = [ + "js/engine/preloader.js", + "js/engine/config.js", + "js/engine/engine.js", +] +externs = [env.File("#platform/web/js/engine/engine.externs.js")] +js_engine = env.CreateEngineFile("#bin/godot${PROGSUFFIX}.engine.js", engine, externs) +env.Depends(js_engine, externs) + +wrap_list = [ + build[0], + js_engine, +] +js_wrapped = env.Textfile("#bin/godot", [env.File(f) for f in wrap_list], TEXTFILESUFFIX="${PROGSUFFIX}.wrapped.js") + +# Extra will be the thread worker, or the GDNative side, or None +extra = build[2:] if len(build) > 2 else None +env.CreateTemplateZip(js_wrapped, build[1], extra) diff --git a/platform/web/api/api.cpp b/platform/web/api/api.cpp new file mode 100644 index 0000000000..a724b0456d --- /dev/null +++ b/platform/web/api/api.cpp @@ -0,0 +1,116 @@ +/*************************************************************************/ +/* api.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "api.h" +#include "core/config/engine.h" +#include "javascript_singleton.h" +#include "web_tools_editor_plugin.h" + +static JavaScript *javascript_singleton; + +void register_web_api() { + WebToolsEditorPlugin::initialize(); + GDREGISTER_ABSTRACT_CLASS(JavaScriptObject); + GDREGISTER_ABSTRACT_CLASS(JavaScript); + javascript_singleton = memnew(JavaScript); + Engine::get_singleton()->add_singleton(Engine::Singleton("JavaScript", javascript_singleton)); +} + +void unregister_web_api() { + memdelete(javascript_singleton); +} + +JavaScript *JavaScript::singleton = nullptr; + +JavaScript *JavaScript::get_singleton() { + return singleton; +} + +JavaScript::JavaScript() { + ERR_FAIL_COND_MSG(singleton != nullptr, "JavaScript singleton already exist."); + singleton = this; +} + +JavaScript::~JavaScript() {} + +void JavaScript::_bind_methods() { + ClassDB::bind_method(D_METHOD("eval", "code", "use_global_execution_context"), &JavaScript::eval, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_interface", "interface"), &JavaScript::get_interface); + ClassDB::bind_method(D_METHOD("create_callback", "callable"), &JavaScript::create_callback); + { + MethodInfo mi; + mi.name = "create_object"; + mi.arguments.push_back(PropertyInfo(Variant::STRING, "object")); + ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "create_object", &JavaScript::_create_object_bind, mi); + } + ClassDB::bind_method(D_METHOD("download_buffer", "buffer", "name", "mime"), &JavaScript::download_buffer, DEFVAL("application/octet-stream")); + ClassDB::bind_method(D_METHOD("pwa_needs_update"), &JavaScript::pwa_needs_update); + ClassDB::bind_method(D_METHOD("pwa_update"), &JavaScript::pwa_update); + ADD_SIGNAL(MethodInfo("pwa_update_available")); +} + +#if !defined(WEB_ENABLED) || !defined(JAVASCRIPT_EVAL_ENABLED) +Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { + return Variant(); +} + +Ref<JavaScriptObject> JavaScript::get_interface(const String &p_interface) { + return Ref<JavaScriptObject>(); +} + +Ref<JavaScriptObject> JavaScript::create_callback(const Callable &p_callable) { + return Ref<JavaScriptObject>(); +} + +Variant JavaScript::_create_object_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error) { + if (p_argcount < 1) { + r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; + r_error.argument = 0; + return Ref<JavaScriptObject>(); + } + if (p_args[0]->get_type() != Variant::STRING) { + r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; + r_error.argument = 0; + r_error.expected = Variant::STRING; + return Ref<JavaScriptObject>(); + } + return Ref<JavaScriptObject>(); +} +#endif +#if !defined(WEB_ENABLED) +bool JavaScript::pwa_needs_update() const { + return false; +} +Error JavaScript::pwa_update() { + return ERR_UNAVAILABLE; +} +void JavaScript::download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime) { +} +#endif diff --git a/platform/web/api/api.h b/platform/web/api/api.h new file mode 100644 index 0000000000..f073e817d1 --- /dev/null +++ b/platform/web/api/api.h @@ -0,0 +1,37 @@ +/*************************************************************************/ +/* api.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef WEB_API_H +#define WEB_API_H + +void register_web_api(); +void unregister_web_api(); + +#endif // WEB_API_H diff --git a/platform/web/api/javascript_singleton.h b/platform/web/api/javascript_singleton.h new file mode 100644 index 0000000000..e93b0a18a1 --- /dev/null +++ b/platform/web/api/javascript_singleton.h @@ -0,0 +1,70 @@ +/*************************************************************************/ +/* javascript_singleton.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef JAVASCRIPT_SINGLETON_H +#define JAVASCRIPT_SINGLETON_H + +#include "core/object/class_db.h" +#include "core/object/ref_counted.h" + +class JavaScriptObject : public RefCounted { +private: + GDCLASS(JavaScriptObject, RefCounted); + +protected: + virtual bool _set(const StringName &p_name, const Variant &p_value) { return false; } + virtual bool _get(const StringName &p_name, Variant &r_ret) const { return false; } + virtual void _get_property_list(List<PropertyInfo> *p_list) const {} +}; + +class JavaScript : public Object { +private: + GDCLASS(JavaScript, Object); + + static JavaScript *singleton; + +protected: + static void _bind_methods(); + +public: + Variant eval(const String &p_code, bool p_use_global_exec_context = false); + Ref<JavaScriptObject> get_interface(const String &p_interface); + Ref<JavaScriptObject> create_callback(const Callable &p_callable); + Variant _create_object_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error); + void download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime = "application/octet-stream"); + bool pwa_needs_update() const; + Error pwa_update(); + + static JavaScript *get_singleton(); + JavaScript(); + ~JavaScript(); +}; + +#endif // JAVASCRIPT_SINGLETON_H diff --git a/platform/web/api/web_tools_editor_plugin.cpp b/platform/web/api/web_tools_editor_plugin.cpp new file mode 100644 index 0000000000..6f684a73c2 --- /dev/null +++ b/platform/web/api/web_tools_editor_plugin.cpp @@ -0,0 +1,157 @@ +/*************************************************************************/ +/* web_tools_editor_plugin.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#if defined(TOOLS_ENABLED) && defined(WEB_ENABLED) +#include "web_tools_editor_plugin.h" + +#include "core/config/engine.h" +#include "core/config/project_settings.h" +#include "core/io/dir_access.h" +#include "core/io/file_access.h" +#include "core/os/time.h" +#include "editor/editor_node.h" + +#include <emscripten/emscripten.h> + +// Web functions defined in library_godot_editor_tools.js +extern "C" { +extern void godot_js_os_download_buffer(const uint8_t *p_buf, int p_buf_size, const char *p_name, const char *p_mime); +} + +static void _web_editor_init_callback() { + EditorNode::get_singleton()->add_editor_plugin(memnew(WebToolsEditorPlugin)); +} + +void WebToolsEditorPlugin::initialize() { + EditorNode::add_init_callback(_web_editor_init_callback); +} + +WebToolsEditorPlugin::WebToolsEditorPlugin() { + add_tool_menu_item("Download Project Source", callable_mp(this, &WebToolsEditorPlugin::_download_zip)); +} + +void WebToolsEditorPlugin::_download_zip(Variant p_v) { + if (!Engine::get_singleton() || !Engine::get_singleton()->is_editor_hint()) { + ERR_PRINT("Downloading the project as a ZIP archive is only available in Editor mode."); + return; + } + String resource_path = ProjectSettings::get_singleton()->get_resource_path(); + + Ref<FileAccess> io_fa; + zlib_filefunc_def io = zipio_create_io(&io_fa); + + // Name the downloaded ZIP file to contain the project name and download date for easier organization. + // Replace characters not allowed (or risky) in Windows file names with safe characters. + // In the project name, all invalid characters become an empty string so that a name + // like "Platformer 2: Godette's Revenge" becomes "platformer_2-_godette-s_revenge". + const String project_name = GLOBAL_GET("application/config/name"); + const String project_name_safe = project_name.to_lower().replace(" ", "_"); + const String datetime_safe = + Time::get_singleton()->get_datetime_string_from_system(false, true).replace(" ", "_"); + const String output_name = OS::get_singleton()->get_safe_dir_name(vformat("%s_%s.zip")); + const String output_path = String("/tmp").plus_file(output_name); + + zipFile zip = zipOpen2(output_path.utf8().get_data(), APPEND_STATUS_CREATE, nullptr, &io); + const String base_path = resource_path.substr(0, resource_path.rfind("/")) + "/"; + _zip_recursive(resource_path, base_path, zip); + zipClose(zip, nullptr); + { + Ref<FileAccess> f = FileAccess::open(output_path, FileAccess::READ); + ERR_FAIL_COND_MSG(f.is_null(), "Unable to create ZIP file."); + Vector<uint8_t> buf; + buf.resize(f->get_length()); + f->get_buffer(buf.ptrw(), buf.size()); + godot_js_os_download_buffer(buf.ptr(), buf.size(), output_name.utf8().get_data(), "application/zip"); + } + + // Remove the temporary file since it was sent to the user's native filesystem as a download. + DirAccess::remove_file_or_error(output_path); +} + +void WebToolsEditorPlugin::_zip_file(String p_path, String p_base_path, zipFile p_zip) { + Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ); + if (f.is_null()) { + WARN_PRINT("Unable to open file for zipping: " + p_path); + return; + } + Vector<uint8_t> data; + uint64_t len = f->get_length(); + data.resize(len); + f->get_buffer(data.ptrw(), len); + + String path = p_path.replace_first(p_base_path, ""); + zipOpenNewFileInZip(p_zip, + path.utf8().get_data(), + nullptr, + nullptr, + 0, + nullptr, + 0, + nullptr, + Z_DEFLATED, + Z_DEFAULT_COMPRESSION); + zipWriteInFileInZip(p_zip, data.ptr(), data.size()); + zipCloseFileInZip(p_zip); +} + +void WebToolsEditorPlugin::_zip_recursive(String p_path, String p_base_path, zipFile p_zip) { + Ref<DirAccess> dir = DirAccess::open(p_path); + if (dir.is_null()) { + WARN_PRINT("Unable to open directory for zipping: " + p_path); + return; + } + dir->list_dir_begin(); + String cur = dir->get_next(); + String project_data_dir_name = ProjectSettings::get_singleton()->get_project_data_dir_name(); + while (!cur.is_empty()) { + String cs = p_path.plus_file(cur); + if (cur == "." || cur == ".." || cur == project_data_dir_name) { + // Skip + } else if (dir->current_is_dir()) { + String path = cs.replace_first(p_base_path, "") + "/"; + zipOpenNewFileInZip(p_zip, + path.utf8().get_data(), + nullptr, + nullptr, + 0, + nullptr, + 0, + nullptr, + Z_DEFLATED, + Z_DEFAULT_COMPRESSION); + zipCloseFileInZip(p_zip); + _zip_recursive(cs, p_base_path, p_zip); + } else { + _zip_file(cs, p_base_path, p_zip); + } + cur = dir->get_next(); + } +} +#endif diff --git a/platform/web/api/web_tools_editor_plugin.h b/platform/web/api/web_tools_editor_plugin.h new file mode 100644 index 0000000000..6af1dec3fb --- /dev/null +++ b/platform/web/api/web_tools_editor_plugin.h @@ -0,0 +1,58 @@ +/*************************************************************************/ +/* web_tools_editor_plugin.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef WEB_TOOLS_EDITOR_PLUGIN_H +#define WEB_TOOLS_EDITOR_PLUGIN_H + +#if defined(TOOLS_ENABLED) && defined(WEB_ENABLED) +#include "core/io/zip_io.h" +#include "editor/editor_plugin.h" + +class WebToolsEditorPlugin : public EditorPlugin { + GDCLASS(WebToolsEditorPlugin, EditorPlugin); + +private: + void _zip_file(String p_path, String p_base_path, zipFile p_zip); + void _zip_recursive(String p_path, String p_base_path, zipFile p_zip); + void _download_zip(Variant p_v); + +public: + static void initialize(); + + WebToolsEditorPlugin(); +}; +#else +class WebToolsEditorPlugin { +public: + static void initialize() {} +}; +#endif + +#endif // WEB_TOOLS_EDITOR_PLUGIN_H diff --git a/platform/web/audio_driver_web.cpp b/platform/web/audio_driver_web.cpp new file mode 100644 index 0000000000..0e37afc2cc --- /dev/null +++ b/platform/web/audio_driver_web.cpp @@ -0,0 +1,293 @@ +/*************************************************************************/ +/* audio_driver_web.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "audio_driver_web.h" + +#include "core/config/project_settings.h" + +#include <emscripten.h> + +AudioDriverWeb::AudioContext AudioDriverWeb::audio_context; + +bool AudioDriverWeb::is_available() { + return godot_audio_is_available() != 0; +} + +void AudioDriverWeb::_state_change_callback(int p_state) { + AudioDriverWeb::audio_context.state = p_state; +} + +void AudioDriverWeb::_latency_update_callback(float p_latency) { + AudioDriverWeb::audio_context.output_latency = p_latency; +} + +void AudioDriverWeb::_audio_driver_process(int p_from, int p_samples) { + int32_t *stream_buffer = reinterpret_cast<int32_t *>(output_rb); + const int max_samples = memarr_len(output_rb); + + int write_pos = p_from; + int to_write = p_samples; + if (to_write == 0) { + to_write = max_samples; + } + // High part + if (write_pos + to_write > max_samples) { + const int samples_high = max_samples - write_pos; + audio_server_process(samples_high / channel_count, &stream_buffer[write_pos]); + for (int i = write_pos; i < max_samples; i++) { + output_rb[i] = float(stream_buffer[i] >> 16) / 32768.f; + } + to_write -= samples_high; + write_pos = 0; + } + // Leftover + audio_server_process(to_write / channel_count, &stream_buffer[write_pos]); + for (int i = write_pos; i < write_pos + to_write; i++) { + output_rb[i] = float(stream_buffer[i] >> 16) / 32768.f; + } +} + +void AudioDriverWeb::_audio_driver_capture(int p_from, int p_samples) { + if (get_input_buffer().size() == 0) { + return; // Input capture stopped. + } + const int max_samples = memarr_len(input_rb); + + int read_pos = p_from; + int to_read = p_samples; + if (to_read == 0) { + to_read = max_samples; + } + // High part + if (read_pos + to_read > max_samples) { + const int samples_high = max_samples - read_pos; + for (int i = read_pos; i < max_samples; i++) { + input_buffer_write(int32_t(input_rb[i] * 32768.f) * (1U << 16)); + } + to_read -= samples_high; + read_pos = 0; + } + // Leftover + for (int i = read_pos; i < read_pos + to_read; i++) { + input_buffer_write(int32_t(input_rb[i] * 32768.f) * (1U << 16)); + } +} + +Error AudioDriverWeb::init() { + int latency = GLOBAL_GET("audio/driver/output_latency"); + if (!audio_context.inited) { + audio_context.mix_rate = GLOBAL_GET("audio/driver/mix_rate"); + audio_context.channel_count = godot_audio_init(&audio_context.mix_rate, latency, &_state_change_callback, &_latency_update_callback); + audio_context.inited = true; + } + mix_rate = audio_context.mix_rate; + channel_count = audio_context.channel_count; + buffer_length = closest_power_of_2((latency * mix_rate / 1000)); + Error err = create(buffer_length, channel_count); + if (err != OK) { + return err; + } + if (output_rb) { + memdelete_arr(output_rb); + } + const size_t array_size = buffer_length * (size_t)channel_count; + output_rb = memnew_arr(float, array_size); + if (!output_rb) { + return ERR_OUT_OF_MEMORY; + } + if (input_rb) { + memdelete_arr(input_rb); + } + input_rb = memnew_arr(float, array_size); + if (!input_rb) { + return ERR_OUT_OF_MEMORY; + } + return OK; +} + +void AudioDriverWeb::start() { + start(output_rb, memarr_len(output_rb), input_rb, memarr_len(input_rb)); +} + +void AudioDriverWeb::resume() { + if (audio_context.state == 0) { // 'suspended' + godot_audio_resume(); + } +} + +float AudioDriverWeb::get_latency() { + return audio_context.output_latency + (float(buffer_length) / mix_rate); +} + +int AudioDriverWeb::get_mix_rate() const { + return mix_rate; +} + +AudioDriver::SpeakerMode AudioDriverWeb::get_speaker_mode() const { + return get_speaker_mode_by_total_channels(channel_count); +} + +void AudioDriverWeb::finish() { + finish_driver(); + if (output_rb) { + memdelete_arr(output_rb); + output_rb = nullptr; + } + if (input_rb) { + memdelete_arr(input_rb); + input_rb = nullptr; + } +} + +Error AudioDriverWeb::capture_start() { + lock(); + input_buffer_init(buffer_length); + unlock(); + if (godot_audio_capture_start()) { + return FAILED; + } + return OK; +} + +Error AudioDriverWeb::capture_stop() { + godot_audio_capture_stop(); + lock(); + input_buffer.clear(); + unlock(); + return OK; +} + +#ifdef NO_THREADS +/// ScriptProcessorNode implementation +AudioDriverScriptProcessor *AudioDriverScriptProcessor::singleton = nullptr; + +void AudioDriverScriptProcessor::_process_callback() { + AudioDriverScriptProcessor::singleton->_audio_driver_capture(); + AudioDriverScriptProcessor::singleton->_audio_driver_process(); +} + +Error AudioDriverScriptProcessor::create(int &p_buffer_samples, int p_channels) { + if (!godot_audio_has_script_processor()) { + return ERR_UNAVAILABLE; + } + return (Error)godot_audio_script_create(&p_buffer_samples, p_channels); +} + +void AudioDriverScriptProcessor::start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) { + godot_audio_script_start(p_in_buf, p_in_buf_size, p_out_buf, p_out_buf_size, &_process_callback); +} + +/// AudioWorkletNode implementation (no threads) +AudioDriverWorklet *AudioDriverWorklet::singleton = nullptr; + +Error AudioDriverWorklet::create(int &p_buffer_size, int p_channels) { + if (!godot_audio_has_worklet()) { + return ERR_UNAVAILABLE; + } + return (Error)godot_audio_worklet_create(p_channels); +} + +void AudioDriverWorklet::start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) { + _audio_driver_process(); + godot_audio_worklet_start_no_threads(p_out_buf, p_out_buf_size, &_process_callback, p_in_buf, p_in_buf_size, &_capture_callback); +} + +void AudioDriverWorklet::_process_callback(int p_pos, int p_samples) { + AudioDriverWorklet *driver = AudioDriverWorklet::singleton; + driver->_audio_driver_process(p_pos, p_samples); +} + +void AudioDriverWorklet::_capture_callback(int p_pos, int p_samples) { + AudioDriverWorklet *driver = AudioDriverWorklet::singleton; + driver->_audio_driver_capture(p_pos, p_samples); +} +#else +/// AudioWorkletNode implementation (threads) +void AudioDriverWorklet::_audio_thread_func(void *p_data) { + AudioDriverWorklet *driver = static_cast<AudioDriverWorklet *>(p_data); + const int out_samples = memarr_len(driver->get_output_rb()); + const int in_samples = memarr_len(driver->get_input_rb()); + int wpos = 0; + int to_write = out_samples; + int rpos = 0; + int to_read = 0; + int32_t step = 0; + while (!driver->quit) { + if (to_read) { + driver->lock(); + driver->_audio_driver_capture(rpos, to_read); + godot_audio_worklet_state_add(driver->state, STATE_SAMPLES_IN, -to_read); + driver->unlock(); + rpos += to_read; + if (rpos >= in_samples) { + rpos -= in_samples; + } + } + if (to_write) { + driver->lock(); + driver->_audio_driver_process(wpos, to_write); + godot_audio_worklet_state_add(driver->state, STATE_SAMPLES_OUT, to_write); + driver->unlock(); + wpos += to_write; + if (wpos >= out_samples) { + wpos -= out_samples; + } + } + step = godot_audio_worklet_state_wait(driver->state, STATE_PROCESS, step, 1); + to_write = out_samples - godot_audio_worklet_state_get(driver->state, STATE_SAMPLES_OUT); + to_read = godot_audio_worklet_state_get(driver->state, STATE_SAMPLES_IN); + } +} + +Error AudioDriverWorklet::create(int &p_buffer_size, int p_channels) { + if (!godot_audio_has_worklet()) { + return ERR_UNAVAILABLE; + } + return (Error)godot_audio_worklet_create(p_channels); +} + +void AudioDriverWorklet::start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) { + godot_audio_worklet_start(p_in_buf, p_in_buf_size, p_out_buf, p_out_buf_size, state); + thread.start(_audio_thread_func, this); +} + +void AudioDriverWorklet::lock() { + mutex.lock(); +} + +void AudioDriverWorklet::unlock() { + mutex.unlock(); +} + +void AudioDriverWorklet::finish_driver() { + quit = true; // Ask thread to quit. + thread.wait_to_finish(); +} +#endif diff --git a/platform/web/audio_driver_web.h b/platform/web/audio_driver_web.h new file mode 100644 index 0000000000..dfce277c0c --- /dev/null +++ b/platform/web/audio_driver_web.h @@ -0,0 +1,161 @@ +/*************************************************************************/ +/* audio_driver_web.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef AUDIO_DRIVER_WEB_H +#define AUDIO_DRIVER_WEB_H + +#include "core/os/mutex.h" +#include "core/os/thread.h" +#include "servers/audio_server.h" + +#include "godot_audio.h" + +class AudioDriverWeb : public AudioDriver { +private: + struct AudioContext { + bool inited = false; + float output_latency = 0.0; + int state = -1; + int channel_count = 0; + int mix_rate = 0; + }; + static AudioContext audio_context; + + float *output_rb = nullptr; + float *input_rb = nullptr; + + int buffer_length = 0; + int mix_rate = 0; + int channel_count = 0; + + static void _state_change_callback(int p_state); + static void _latency_update_callback(float p_latency); + + static AudioDriverWeb *singleton; + +protected: + void _audio_driver_process(int p_from = 0, int p_samples = 0); + void _audio_driver_capture(int p_from = 0, int p_samples = 0); + float *get_output_rb() const { return output_rb; } + float *get_input_rb() const { return input_rb; } + + virtual Error create(int &p_buffer_samples, int p_channels) = 0; + virtual void start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) = 0; + virtual void finish_driver() {} + +public: + static bool is_available(); + + virtual Error init() final; + virtual void start() final; + virtual void finish() final; + + virtual float get_latency() override; + virtual int get_mix_rate() const override; + virtual SpeakerMode get_speaker_mode() const override; + + virtual Error capture_start() override; + virtual Error capture_stop() override; + + static void resume(); + + AudioDriverWeb() {} +}; + +#ifdef NO_THREADS +class AudioDriverScriptProcessor : public AudioDriverWeb { +private: + static void _process_callback(); + + static AudioDriverScriptProcessor *singleton; + +protected: + Error create(int &p_buffer_samples, int p_channels) override; + void start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) override; + +public: + virtual const char *get_name() const override { return "ScriptProcessor"; } + + virtual void lock() override {} + virtual void unlock() override {} + + AudioDriverScriptProcessor() { singleton = this; } +}; + +class AudioDriverWorklet : public AudioDriverWeb { +private: + static void _process_callback(int p_pos, int p_samples); + static void _capture_callback(int p_pos, int p_samples); + + static AudioDriverWorklet *singleton; + +protected: + virtual Error create(int &p_buffer_size, int p_output_channels) override; + virtual void start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) override; + +public: + virtual const char *get_name() const override { return "AudioWorklet"; } + + virtual void lock() override {} + virtual void unlock() override {} + + AudioDriverWorklet() { singleton = this; } +}; +#else +class AudioDriverWorklet : public AudioDriverWeb { +private: + enum { + STATE_LOCK, + STATE_PROCESS, + STATE_SAMPLES_IN, + STATE_SAMPLES_OUT, + STATE_MAX, + }; + Mutex mutex; + Thread thread; + bool quit = false; + int32_t state[STATE_MAX] = { 0 }; + + static void _audio_thread_func(void *p_data); + +protected: + virtual Error create(int &p_buffer_size, int p_output_channels) override; + virtual void start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) override; + virtual void finish_driver() override; + +public: + virtual const char *get_name() const override { return "AudioWorklet"; } + + void lock() override; + void unlock() override; +}; +#endif + +#endif // AUDIO_DRIVER_WEB_H diff --git a/platform/web/detect.py b/platform/web/detect.py new file mode 100644 index 0000000000..ae0ff2c4ea --- /dev/null +++ b/platform/web/detect.py @@ -0,0 +1,243 @@ +import os +import sys + +from emscripten_helpers import ( + run_closure_compiler, + create_engine_file, + add_js_libraries, + add_js_pre, + add_js_externs, + create_template_zip, +) +from methods import get_compiler_version +from SCons.Util import WhereIs + + +def is_active(): + return True + + +def get_name(): + return "Web" + + +def can_build(): + return WhereIs("emcc") is not None + + +def get_opts(): + from SCons.Variables import BoolVariable + + return [ + ("initial_memory", "Initial WASM memory (in MiB)", 32), + BoolVariable("use_assertions", "Use Emscripten runtime assertions", False), + BoolVariable("use_thinlto", "Use ThinLTO", False), + BoolVariable("use_ubsan", "Use Emscripten undefined behavior sanitizer (UBSAN)", False), + BoolVariable("use_asan", "Use Emscripten address sanitizer (ASAN)", False), + BoolVariable("use_lsan", "Use Emscripten leak sanitizer (LSAN)", False), + BoolVariable("use_safe_heap", "Use Emscripten SAFE_HEAP sanitizer", False), + # eval() can be a security concern, so it can be disabled. + BoolVariable("javascript_eval", "Enable JavaScript eval interface", True), + BoolVariable("threads_enabled", "Enable WebAssembly Threads support (limited browser support)", True), + BoolVariable("gdnative_enabled", "Enable WebAssembly GDNative support (produces bigger binaries)", False), + BoolVariable("use_closure_compiler", "Use closure compiler to minimize JavaScript code", False), + ] + + +def get_flags(): + return [ + ("arch", "wasm32"), + ("tools", False), + ("builtin_pcre2_with_jit", False), + ("vulkan", False), + ] + + +def configure(env): + # Validate arch. + supported_arches = ["wasm32"] + if env["arch"] not in supported_arches: + print( + 'Unsupported CPU architecture "%s" for iOS. Supported architectures are: %s.' + % (env["arch"], ", ".join(supported_arches)) + ) + sys.exit() + + try: + env["initial_memory"] = int(env["initial_memory"]) + except Exception: + print("Initial memory must be a valid integer") + sys.exit(255) + + ## Build type + if env["target"].startswith("release"): + # Use -Os to prioritize optimizing for reduced file size. This is + # particularly valuable for the web platform because it directly + # decreases download time. + # -Os reduces file size by around 5 MiB over -O3. -Oz only saves about + # 100 KiB over -Os, which does not justify the negative impact on + # run-time performance. + if env["optimize"] != "none": + env.Append(CCFLAGS=["-Os"]) + env.Append(LINKFLAGS=["-Os"]) + + if env["target"] == "release_debug": + # Retain function names for backtraces at the cost of file size. + env.Append(LINKFLAGS=["--profiling-funcs"]) + else: # "debug" + env.Append(CCFLAGS=["-O1", "-g"]) + env.Append(LINKFLAGS=["-O1", "-g"]) + env["use_assertions"] = True + + if env["use_assertions"]: + env.Append(LINKFLAGS=["-s", "ASSERTIONS=1"]) + + if env["tools"]: + if not env["threads_enabled"]: + print('Note: Forcing "threads_enabled=yes" as it is required for the web editor.') + env["threads_enabled"] = "yes" + if env["initial_memory"] < 64: + print('Note: Forcing "initial_memory=64" as it is required for the web editor.') + env["initial_memory"] = 64 + env.Append(CCFLAGS=["-frtti"]) + elif env["builtin_icu"]: + env.Append(CCFLAGS=["-fno-exceptions", "-frtti"]) + else: + # Disable exceptions and rtti on non-tools (template) builds + # These flags help keep the file size down. + env.Append(CCFLAGS=["-fno-exceptions", "-fno-rtti"]) + # Don't use dynamic_cast, necessary with no-rtti. + env.Append(CPPDEFINES=["NO_SAFE_CAST"]) + + env.Append(LINKFLAGS=["-s", "INITIAL_MEMORY=%sMB" % env["initial_memory"]]) + + ## Copy env variables. + env["ENV"] = os.environ + + # LTO + if env["use_thinlto"]: + env.Append(CCFLAGS=["-flto=thin"]) + env.Append(LINKFLAGS=["-flto=thin"]) + elif env["use_lto"]: + env.Append(CCFLAGS=["-flto=full"]) + env.Append(LINKFLAGS=["-flto=full"]) + + # Sanitizers + if env["use_ubsan"]: + env.Append(CCFLAGS=["-fsanitize=undefined"]) + env.Append(LINKFLAGS=["-fsanitize=undefined"]) + if env["use_asan"]: + env.Append(CCFLAGS=["-fsanitize=address"]) + env.Append(LINKFLAGS=["-fsanitize=address"]) + if env["use_lsan"]: + env.Append(CCFLAGS=["-fsanitize=leak"]) + env.Append(LINKFLAGS=["-fsanitize=leak"]) + if env["use_safe_heap"]: + env.Append(LINKFLAGS=["-s", "SAFE_HEAP=1"]) + + # Closure compiler + if env["use_closure_compiler"]: + # For emscripten support code. + env.Append(LINKFLAGS=["--closure", "1"]) + # Register builder for our Engine files + jscc = env.Builder(generator=run_closure_compiler, suffix=".cc.js", src_suffix=".js") + env.Append(BUILDERS={"BuildJS": jscc}) + + # Add helper method for adding libraries, externs, pre-js. + env["JS_LIBS"] = [] + env["JS_PRE"] = [] + env["JS_EXTERNS"] = [] + env.AddMethod(add_js_libraries, "AddJSLibraries") + env.AddMethod(add_js_pre, "AddJSPre") + env.AddMethod(add_js_externs, "AddJSExterns") + + # Add method that joins/compiles our Engine files. + env.AddMethod(create_engine_file, "CreateEngineFile") + + # Add method for creating the final zip file + env.AddMethod(create_template_zip, "CreateTemplateZip") + + # Closure compiler extern and support for ecmascript specs (const, let, etc). + env["ENV"]["EMCC_CLOSURE_ARGS"] = "--language_in ECMASCRIPT6" + + env["CC"] = "emcc" + env["CXX"] = "em++" + + env["AR"] = "emar" + env["RANLIB"] = "emranlib" + + # Use TempFileMunge since some AR invocations are too long for cmd.exe. + # Use POSIX-style paths, required with TempFileMunge. + env["ARCOM_POSIX"] = env["ARCOM"].replace("$TARGET", "$TARGET.posix").replace("$SOURCES", "$SOURCES.posix") + env["ARCOM"] = "${TEMPFILE(ARCOM_POSIX)}" + + # All intermediate files are just LLVM bitcode. + env["OBJPREFIX"] = "" + env["OBJSUFFIX"] = ".bc" + env["PROGPREFIX"] = "" + # Program() output consists of multiple files, so specify suffixes manually at builder. + env["PROGSUFFIX"] = "" + env["LIBPREFIX"] = "lib" + env["LIBSUFFIX"] = ".a" + env["LIBPREFIXES"] = ["$LIBPREFIX"] + env["LIBSUFFIXES"] = ["$LIBSUFFIX"] + + env.Prepend(CPPPATH=["#platform/web"]) + env.Append(CPPDEFINES=["WEB_ENABLED", "UNIX_ENABLED"]) + + if env["opengl3"]: + env.AppendUnique(CPPDEFINES=["GLES3_ENABLED"]) + # This setting just makes WebGL 2 APIs available, it does NOT disable WebGL 1. + env.Append(LINKFLAGS=["-s", "USE_WEBGL2=1"]) + # Allow use to take control of swapping WebGL buffers. + env.Append(LINKFLAGS=["-s", "OFFSCREEN_FRAMEBUFFER=1"]) + + if env["javascript_eval"]: + env.Append(CPPDEFINES=["JAVASCRIPT_EVAL_ENABLED"]) + + # Thread support (via SharedArrayBuffer). + if env["threads_enabled"]: + env.Append(CPPDEFINES=["PTHREAD_NO_RENAME"]) + env.Append(CCFLAGS=["-s", "USE_PTHREADS=1"]) + env.Append(LINKFLAGS=["-s", "USE_PTHREADS=1"]) + env.Append(LINKFLAGS=["-s", "PTHREAD_POOL_SIZE=8"]) + env.Append(LINKFLAGS=["-s", "WASM_MEM_MAX=2048MB"]) + env.extra_suffix = ".threads" + env.extra_suffix + else: + env.Append(CPPDEFINES=["NO_THREADS"]) + + if env["gdnative_enabled"]: + cc_version = get_compiler_version(env) + cc_semver = (int(cc_version["major"]), int(cc_version["minor"]), int(cc_version["patch"])) + if cc_semver < (2, 0, 10): + print("GDNative support requires emscripten >= 2.0.10, detected: %s.%s.%s" % cc_semver) + sys.exit(255) + + if env["threads_enabled"] and cc_semver < (3, 1, 14): + print("Threads and GDNative requires emscripten >= 3.1.14, detected: %s.%s.%s" % cc_semver) + sys.exit(255) + env.Append(CCFLAGS=["-s", "RELOCATABLE=1"]) + env.Append(LINKFLAGS=["-s", "RELOCATABLE=1"]) + # Weak symbols are broken upstream: https://github.com/emscripten-core/emscripten/issues/12819 + env.Append(CPPDEFINES=["ZSTD_HAVE_WEAK_SYMBOLS=0"]) + env.extra_suffix = ".gdnative" + env.extra_suffix + + # Reduce code size by generating less support code (e.g. skip NodeJS support). + env.Append(LINKFLAGS=["-s", "ENVIRONMENT=web,worker"]) + + # Wrap the JavaScript support code around a closure named Godot. + env.Append(LINKFLAGS=["-s", "MODULARIZE=1", "-s", "EXPORT_NAME='Godot'"]) + + # Allow increasing memory buffer size during runtime. This is efficient + # when using WebAssembly (in comparison to asm.js) and works well for + # us since we don't know requirements at compile-time. + env.Append(LINKFLAGS=["-s", "ALLOW_MEMORY_GROWTH=1"]) + + # Do not call main immediately when the support code is ready. + env.Append(LINKFLAGS=["-s", "INVOKE_RUN=0"]) + + # callMain for manual start, cwrap for the mono version. + env.Append(LINKFLAGS=["-s", "EXPORTED_RUNTIME_METHODS=['callMain','cwrap']"]) + + # Add code that allow exiting runtime. + env.Append(LINKFLAGS=["-s", "EXIT_RUNTIME=1"]) diff --git a/platform/web/display_server_web.cpp b/platform/web/display_server_web.cpp new file mode 100644 index 0000000000..b36f9d14a4 --- /dev/null +++ b/platform/web/display_server_web.cpp @@ -0,0 +1,1060 @@ +/*************************************************************************/ +/* display_server_web.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "display_server_web.h" + +#ifdef GLES3_ENABLED +#include "drivers/gles3/rasterizer_gles3.h" +#endif +#include "platform/web/os_web.h" +#include "servers/rendering/dummy/rasterizer_dummy.h" + +#include <emscripten.h> +#include <png.h> + +#include "dom_keys.inc" +#include "godot_js.h" + +#define DOM_BUTTON_LEFT 0 +#define DOM_BUTTON_MIDDLE 1 +#define DOM_BUTTON_RIGHT 2 +#define DOM_BUTTON_XBUTTON1 3 +#define DOM_BUTTON_XBUTTON2 4 + +DisplayServerWeb *DisplayServerWeb::get_singleton() { + return static_cast<DisplayServerWeb *>(DisplayServer::get_singleton()); +} + +// Window (canvas) +bool DisplayServerWeb::check_size_force_redraw() { + return godot_js_display_size_update() != 0; +} + +void DisplayServerWeb::fullscreen_change_callback(int p_fullscreen) { + DisplayServerWeb *display = get_singleton(); + if (p_fullscreen) { + display->window_mode = WINDOW_MODE_FULLSCREEN; + } else { + display->window_mode = WINDOW_MODE_WINDOWED; + } +} + +// Drag and drop callback. +void DisplayServerWeb::drop_files_js_callback(char **p_filev, int p_filec) { + DisplayServerWeb *ds = get_singleton(); + if (!ds) { + ERR_FAIL_MSG("Unable to drop files because the DisplayServer is not active"); + } + if (ds->drop_files_callback.is_null()) { + return; + } + Vector<String> files; + for (int i = 0; i < p_filec; i++) { + files.push_back(String::utf8(p_filev[i])); + } + Variant v = files; + Variant *vp = &v; + Variant ret; + Callable::CallError ce; + ds->drop_files_callback.callp((const Variant **)&vp, 1, ret, ce); +} + +// Web quit request callback. +void DisplayServerWeb::request_quit_callback() { + DisplayServerWeb *ds = get_singleton(); + if (ds && !ds->window_event_callback.is_null()) { + Variant event = int(DisplayServer::WINDOW_EVENT_CLOSE_REQUEST); + Variant *eventp = &event; + Variant ret; + Callable::CallError ce; + ds->window_event_callback.callp((const Variant **)&eventp, 1, ret, ce); + } +} + +// Keys + +void DisplayServerWeb::dom2godot_mod(Ref<InputEventWithModifiers> ev, int p_mod) { + ev->set_shift_pressed(p_mod & 1); + ev->set_alt_pressed(p_mod & 2); + ev->set_ctrl_pressed(p_mod & 4); + ev->set_meta_pressed(p_mod & 8); +} + +void DisplayServerWeb::key_callback(int p_pressed, int p_repeat, int p_modifiers) { + DisplayServerWeb *ds = get_singleton(); + JSKeyEvent &key_event = ds->key_event; + // Resume audio context after input in case autoplay was denied. + OS_Web::get_singleton()->resume_audio(); + + Ref<InputEventKey> ev; + ev.instantiate(); + ev->set_echo(p_repeat); + ev->set_keycode(dom_code2godot_scancode(key_event.code, key_event.key, false)); + ev->set_physical_keycode(dom_code2godot_scancode(key_event.code, key_event.key, true)); + ev->set_pressed(p_pressed); + dom2godot_mod(ev, p_modifiers); + + String unicode = String::utf8(key_event.key); + if (unicode.length() == 1) { + ev->set_unicode(unicode[0]); + } + Input::get_singleton()->parse_input_event(ev); + + // Make sure to flush all events so we can call restricted APIs inside the event. + Input::get_singleton()->flush_buffered_events(); +} + +// Mouse + +int DisplayServerWeb::mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers) { + DisplayServerWeb *ds = get_singleton(); + + Point2 pos(p_x, p_y); + Ref<InputEventMouseButton> ev; + ev.instantiate(); + ev->set_position(pos); + ev->set_global_position(pos); + ev->set_pressed(p_pressed); + dom2godot_mod(ev, p_modifiers); + + switch (p_button) { + case DOM_BUTTON_LEFT: + ev->set_button_index(MouseButton::LEFT); + break; + case DOM_BUTTON_MIDDLE: + ev->set_button_index(MouseButton::MIDDLE); + break; + case DOM_BUTTON_RIGHT: + ev->set_button_index(MouseButton::RIGHT); + break; + case DOM_BUTTON_XBUTTON1: + ev->set_button_index(MouseButton::MB_XBUTTON1); + break; + case DOM_BUTTON_XBUTTON2: + ev->set_button_index(MouseButton::MB_XBUTTON2); + break; + default: + return false; + } + + if (p_pressed) { + uint64_t diff = (OS::get_singleton()->get_ticks_usec() / 1000) - ds->last_click_ms; + + if (ev->get_button_index() == ds->last_click_button_index) { + if (diff < 400 && Point2(ds->last_click_pos).distance_to(ev->get_position()) < 5) { + ds->last_click_ms = 0; + ds->last_click_pos = Point2(-100, -100); + ds->last_click_button_index = MouseButton::NONE; + ev->set_double_click(true); + } + + } else { + ds->last_click_button_index = ev->get_button_index(); + } + + if (!ev->is_double_click()) { + ds->last_click_ms += diff; + ds->last_click_pos = ev->get_position(); + } + } + + MouseButton mask = Input::get_singleton()->get_mouse_button_mask(); + MouseButton button_flag = mouse_button_to_mask(ev->get_button_index()); + if (ev->is_pressed()) { + mask |= button_flag; + } else if ((mask & button_flag) != MouseButton::NONE) { + mask &= ~button_flag; + } else { + // Received release event, but press was outside the canvas, so ignore. + return false; + } + ev->set_button_mask(mask); + + Input::get_singleton()->parse_input_event(ev); + // Resume audio context after input in case autoplay was denied. + OS_Web::get_singleton()->resume_audio(); + + // Make sure to flush all events so we can call restricted APIs inside the event. + Input::get_singleton()->flush_buffered_events(); + + // Prevent multi-click text selection and wheel-click scrolling anchor. + // Context menu is prevented through contextmenu event. + return true; +} + +void DisplayServerWeb::mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers) { + MouseButton input_mask = Input::get_singleton()->get_mouse_button_mask(); + // For motion outside the canvas, only read mouse movement if dragging + // started inside the canvas; imitating desktop app behaviour. + if (!get_singleton()->cursor_inside_canvas && input_mask == MouseButton::NONE) { + return; + } + + Point2 pos(p_x, p_y); + Ref<InputEventMouseMotion> ev; + ev.instantiate(); + dom2godot_mod(ev, p_modifiers); + ev->set_button_mask(input_mask); + + ev->set_position(pos); + ev->set_global_position(pos); + + ev->set_relative(Vector2(p_rel_x, p_rel_y)); + ev->set_velocity(Input::get_singleton()->get_last_mouse_velocity()); + + Input::get_singleton()->parse_input_event(ev); +} + +// Cursor +const char *DisplayServerWeb::godot2dom_cursor(DisplayServer::CursorShape p_shape) { + switch (p_shape) { + case DisplayServer::CURSOR_ARROW: + return "default"; + case DisplayServer::CURSOR_IBEAM: + return "text"; + case DisplayServer::CURSOR_POINTING_HAND: + return "pointer"; + case DisplayServer::CURSOR_CROSS: + return "crosshair"; + case DisplayServer::CURSOR_WAIT: + return "wait"; + case DisplayServer::CURSOR_BUSY: + return "progress"; + case DisplayServer::CURSOR_DRAG: + return "grab"; + case DisplayServer::CURSOR_CAN_DROP: + return "grabbing"; + case DisplayServer::CURSOR_FORBIDDEN: + return "no-drop"; + case DisplayServer::CURSOR_VSIZE: + return "ns-resize"; + case DisplayServer::CURSOR_HSIZE: + return "ew-resize"; + case DisplayServer::CURSOR_BDIAGSIZE: + return "nesw-resize"; + case DisplayServer::CURSOR_FDIAGSIZE: + return "nwse-resize"; + case DisplayServer::CURSOR_MOVE: + return "move"; + case DisplayServer::CURSOR_VSPLIT: + return "row-resize"; + case DisplayServer::CURSOR_HSPLIT: + return "col-resize"; + case DisplayServer::CURSOR_HELP: + return "help"; + default: + return "default"; + } +} + +bool DisplayServerWeb::tts_is_speaking() const { + return godot_js_tts_is_speaking(); +} + +bool DisplayServerWeb::tts_is_paused() const { + return godot_js_tts_is_paused(); +} + +void DisplayServerWeb::update_voices_callback(int p_size, const char **p_voice) { + get_singleton()->voices.clear(); + for (int i = 0; i < p_size; i++) { + Vector<String> tokens = String::utf8(p_voice[i]).split(";", true, 2); + if (tokens.size() == 2) { + Dictionary voice_d; + voice_d["name"] = tokens[1]; + voice_d["id"] = tokens[1]; + voice_d["language"] = tokens[0]; + get_singleton()->voices.push_back(voice_d); + } + } +} + +TypedArray<Dictionary> DisplayServerWeb::tts_get_voices() const { + godot_js_tts_get_voices(update_voices_callback); + return voices; +} + +void DisplayServerWeb::tts_speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) { + if (p_interrupt) { + tts_stop(); + } + + if (p_text.is_empty()) { + tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, p_utterance_id); + return; + } + + CharString string = p_text.utf8(); + utterance_ids[p_utterance_id] = string; + + godot_js_tts_speak(string.get_data(), p_voice.utf8().get_data(), CLAMP(p_volume, 0, 100), CLAMP(p_pitch, 0.f, 2.f), CLAMP(p_rate, 0.1f, 10.f), p_utterance_id, DisplayServerWeb::_js_utterance_callback); +} + +void DisplayServerWeb::tts_pause() { + godot_js_tts_pause(); +} + +void DisplayServerWeb::tts_resume() { + godot_js_tts_resume(); +} + +void DisplayServerWeb::tts_stop() { + for (const KeyValue<int, CharString> &E : utterance_ids) { + tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, E.key); + } + utterance_ids.clear(); + godot_js_tts_stop(); +} + +void DisplayServerWeb::_js_utterance_callback(int p_event, int p_id, int p_pos) { + DisplayServerWeb *ds = (DisplayServerWeb *)DisplayServer::get_singleton(); + if (ds->utterance_ids.has(p_id)) { + int pos = 0; + if ((TTSUtteranceEvent)p_event == DisplayServer::TTS_UTTERANCE_BOUNDARY) { + // Convert position from UTF-8 to UTF-32. + const CharString &string = ds->utterance_ids[p_id]; + for (int i = 0; i < MIN(p_pos, string.length()); i++) { + uint8_t c = string[i]; + if ((c & 0xe0) == 0xc0) { + i += 1; + } else if ((c & 0xf0) == 0xe0) { + i += 2; + } else if ((c & 0xf8) == 0xf0) { + i += 3; + } + pos++; + } + } else if ((TTSUtteranceEvent)p_event != DisplayServer::TTS_UTTERANCE_STARTED) { + ds->utterance_ids.erase(p_id); + } + ds->tts_post_utterance_event((TTSUtteranceEvent)p_event, p_id, pos); + } +} + +void DisplayServerWeb::cursor_set_shape(CursorShape p_shape) { + ERR_FAIL_INDEX(p_shape, CURSOR_MAX); + if (cursor_shape == p_shape) { + return; + } + cursor_shape = p_shape; + godot_js_display_cursor_set_shape(godot2dom_cursor(cursor_shape)); +} + +DisplayServer::CursorShape DisplayServerWeb::cursor_get_shape() const { + return cursor_shape; +} + +void DisplayServerWeb::cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) { + if (p_cursor.is_valid()) { + Ref<Texture2D> texture = p_cursor; + Ref<AtlasTexture> atlas_texture = p_cursor; + Ref<Image> image; + Size2 texture_size; + Rect2 atlas_rect; + + if (texture.is_valid()) { + image = texture->get_image(); + } + + if (!image.is_valid() && atlas_texture.is_valid()) { + texture = atlas_texture->get_atlas(); + + atlas_rect.size.width = texture->get_width(); + atlas_rect.size.height = texture->get_height(); + atlas_rect.position.x = atlas_texture->get_region().position.x; + atlas_rect.position.y = atlas_texture->get_region().position.y; + + texture_size.width = atlas_texture->get_region().size.x; + texture_size.height = atlas_texture->get_region().size.y; + } else if (image.is_valid()) { + texture_size.width = texture->get_width(); + texture_size.height = texture->get_height(); + } + + ERR_FAIL_COND(!texture.is_valid()); + ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0); + ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256); + ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height); + + image = texture->get_image(); + + ERR_FAIL_COND(!image.is_valid()); + + image = image->duplicate(); + + if (atlas_texture.is_valid()) { + image->crop_from_point( + atlas_rect.position.x, + atlas_rect.position.y, + texture_size.width, + texture_size.height); + } + + if (image->get_format() != Image::FORMAT_RGBA8) { + image->convert(Image::FORMAT_RGBA8); + } + + png_image png_meta; + memset(&png_meta, 0, sizeof png_meta); + png_meta.version = PNG_IMAGE_VERSION; + png_meta.width = texture_size.width; + png_meta.height = texture_size.height; + png_meta.format = PNG_FORMAT_RGBA; + + PackedByteArray png; + size_t len; + PackedByteArray data = image->get_data(); + ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, data.ptr(), 0, nullptr)); + + png.resize(len); + ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, png.ptrw(), &len, 0, data.ptr(), 0, nullptr)); + + godot_js_display_cursor_set_custom_shape(godot2dom_cursor(p_shape), png.ptr(), len, p_hotspot.x, p_hotspot.y); + + } else { + godot_js_display_cursor_set_custom_shape(godot2dom_cursor(p_shape), nullptr, 0, 0, 0); + } + + cursor_set_shape(cursor_shape); +} + +// Mouse mode +void DisplayServerWeb::mouse_set_mode(MouseMode p_mode) { + ERR_FAIL_COND_MSG(p_mode == MOUSE_MODE_CONFINED || p_mode == MOUSE_MODE_CONFINED_HIDDEN, "MOUSE_MODE_CONFINED is not supported for the Web platform."); + if (p_mode == mouse_get_mode()) { + return; + } + + if (p_mode == MOUSE_MODE_VISIBLE) { + godot_js_display_cursor_set_visible(1); + godot_js_display_cursor_lock_set(0); + + } else if (p_mode == MOUSE_MODE_HIDDEN) { + godot_js_display_cursor_set_visible(0); + godot_js_display_cursor_lock_set(0); + + } else if (p_mode == MOUSE_MODE_CAPTURED) { + godot_js_display_cursor_set_visible(1); + godot_js_display_cursor_lock_set(1); + } +} + +DisplayServer::MouseMode DisplayServerWeb::mouse_get_mode() const { + if (godot_js_display_cursor_is_hidden()) { + return MOUSE_MODE_HIDDEN; + } + + if (godot_js_display_cursor_is_locked()) { + return MOUSE_MODE_CAPTURED; + } + return MOUSE_MODE_VISIBLE; +} + +Point2i DisplayServerWeb::mouse_get_position() const { + return Input::get_singleton()->get_mouse_position(); +} + +// Wheel +int DisplayServerWeb::mouse_wheel_callback(double p_delta_x, double p_delta_y) { + if (!godot_js_display_canvas_is_focused()) { + if (get_singleton()->cursor_inside_canvas) { + godot_js_display_canvas_focus(); + } else { + return false; + } + } + + Input *input = Input::get_singleton(); + Ref<InputEventMouseButton> ev; + ev.instantiate(); + ev->set_position(input->get_mouse_position()); + ev->set_global_position(ev->get_position()); + + ev->set_shift_pressed(input->is_key_pressed(Key::SHIFT)); + ev->set_alt_pressed(input->is_key_pressed(Key::ALT)); + ev->set_ctrl_pressed(input->is_key_pressed(Key::CTRL)); + ev->set_meta_pressed(input->is_key_pressed(Key::META)); + + if (p_delta_y < 0) { + ev->set_button_index(MouseButton::WHEEL_UP); + } else if (p_delta_y > 0) { + ev->set_button_index(MouseButton::WHEEL_DOWN); + } else if (p_delta_x > 0) { + ev->set_button_index(MouseButton::WHEEL_LEFT); + } else if (p_delta_x < 0) { + ev->set_button_index(MouseButton::WHEEL_RIGHT); + } else { + return false; + } + + // Different browsers give wildly different delta values, and we can't + // interpret deltaMode, so use default value for wheel events' factor. + + MouseButton button_flag = mouse_button_to_mask(ev->get_button_index()); + + ev->set_pressed(true); + ev->set_button_mask(input->get_mouse_button_mask() | button_flag); + input->parse_input_event(ev); + + Ref<InputEventMouseButton> release = ev->duplicate(); + release->set_pressed(false); + release->set_button_mask(MouseButton(input->get_mouse_button_mask() & ~button_flag)); + input->parse_input_event(release); + + return true; +} + +// Touch +void DisplayServerWeb::touch_callback(int p_type, int p_count) { + DisplayServerWeb *ds = get_singleton(); + + const JSTouchEvent &touch_event = ds->touch_event; + for (int i = 0; i < p_count; i++) { + Point2 point(touch_event.coords[i * 2], touch_event.coords[i * 2 + 1]); + if (p_type == 2) { + // touchmove + Ref<InputEventScreenDrag> ev; + ev.instantiate(); + ev->set_index(touch_event.identifier[i]); + ev->set_position(point); + + Point2 &prev = ds->touches[i]; + ev->set_relative(ev->get_position() - prev); + prev = ev->get_position(); + + Input::get_singleton()->parse_input_event(ev); + } else { + // touchstart/touchend + Ref<InputEventScreenTouch> ev; + + // Resume audio context after input in case autoplay was denied. + OS_Web::get_singleton()->resume_audio(); + + ev.instantiate(); + ev->set_index(touch_event.identifier[i]); + ev->set_position(point); + ev->set_pressed(p_type == 0); + ds->touches[i] = point; + + Input::get_singleton()->parse_input_event(ev); + + // Make sure to flush all events so we can call restricted APIs inside the event. + Input::get_singleton()->flush_buffered_events(); + } + } +} + +bool DisplayServerWeb::screen_is_touchscreen(int p_screen) const { + return godot_js_display_touchscreen_is_available(); +} + +// Virtual Keyboard +void DisplayServerWeb::vk_input_text_callback(const char *p_text, int p_cursor) { + DisplayServerWeb *ds = DisplayServerWeb::get_singleton(); + if (!ds || ds->input_text_callback.is_null()) { + return; + } + // Call input_text + Variant event = String::utf8(p_text); + Variant *eventp = &event; + Variant ret; + Callable::CallError ce; + ds->input_text_callback.callp((const Variant **)&eventp, 1, ret, ce); + // Insert key right to reach position. + Input *input = Input::get_singleton(); + Ref<InputEventKey> k; + for (int i = 0; i < p_cursor; i++) { + k.instantiate(); + k->set_pressed(true); + k->set_echo(false); + k->set_keycode(Key::RIGHT); + input->parse_input_event(k); + k.instantiate(); + k->set_pressed(false); + k->set_echo(false); + k->set_keycode(Key::RIGHT); + input->parse_input_event(k); + } +} + +void DisplayServerWeb::virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect, VirtualKeyboardType p_type, int p_max_input_length, int p_cursor_start, int p_cursor_end) { + godot_js_display_vk_show(p_existing_text.utf8().get_data(), p_type, p_cursor_start, p_cursor_end); +} + +void DisplayServerWeb::virtual_keyboard_hide() { + godot_js_display_vk_hide(); +} + +void DisplayServerWeb::window_blur_callback() { + Input::get_singleton()->release_pressed_events(); +} + +// Gamepad +void DisplayServerWeb::gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid) { + Input *input = Input::get_singleton(); + if (p_connected) { + input->joy_connection_changed(p_index, true, String::utf8(p_id), String::utf8(p_guid)); + } else { + input->joy_connection_changed(p_index, false, ""); + } +} + +void DisplayServerWeb::process_joypads() { + Input *input = Input::get_singleton(); + int32_t pads = godot_js_input_gamepad_sample_count(); + int32_t s_btns_num = 0; + int32_t s_axes_num = 0; + int32_t s_standard = 0; + float s_btns[16]; + float s_axes[10]; + for (int idx = 0; idx < pads; idx++) { + int err = godot_js_input_gamepad_sample_get(idx, s_btns, &s_btns_num, s_axes, &s_axes_num, &s_standard); + if (err) { + continue; + } + for (int b = 0; b < s_btns_num; b++) { + // Buttons 6 and 7 in the standard mapping need to be + // axis to be handled as JoyAxis::TRIGGER by Godot. + if (s_standard && (b == 6 || b == 7)) { + input->joy_axis(idx, (JoyAxis)b, s_btns[b]); + } else { + input->joy_button(idx, (JoyButton)b, s_btns[b]); + } + } + for (int a = 0; a < s_axes_num; a++) { + input->joy_axis(idx, (JoyAxis)a, s_axes[a]); + } + } +} + +Vector<String> DisplayServerWeb::get_rendering_drivers_func() { + Vector<String> drivers; +#ifdef GLES3_ENABLED + drivers.push_back("opengl3"); +#endif + return drivers; +} + +// Clipboard +void DisplayServerWeb::update_clipboard_callback(const char *p_text) { + get_singleton()->clipboard = String::utf8(p_text); +} + +void DisplayServerWeb::clipboard_set(const String &p_text) { + clipboard = p_text; + int err = godot_js_display_clipboard_set(p_text.utf8().get_data()); + ERR_FAIL_COND_MSG(err, "Clipboard API is not supported."); +} + +String DisplayServerWeb::clipboard_get() const { + godot_js_display_clipboard_get(update_clipboard_callback); + return clipboard; +} + +void DisplayServerWeb::send_window_event_callback(int p_notification) { + DisplayServerWeb *ds = get_singleton(); + if (!ds) { + return; + } + if (p_notification == DisplayServer::WINDOW_EVENT_MOUSE_ENTER || p_notification == DisplayServer::WINDOW_EVENT_MOUSE_EXIT) { + ds->cursor_inside_canvas = p_notification == DisplayServer::WINDOW_EVENT_MOUSE_ENTER; + } + if (!ds->window_event_callback.is_null()) { + Variant event = int(p_notification); + Variant *eventp = &event; + Variant ret; + Callable::CallError ce; + ds->window_event_callback.callp((const Variant **)&eventp, 1, ret, ce); + } +} + +void DisplayServerWeb::set_icon(const Ref<Image> &p_icon) { + ERR_FAIL_COND(p_icon.is_null()); + Ref<Image> icon = p_icon; + if (icon->is_compressed()) { + icon = icon->duplicate(); + ERR_FAIL_COND(icon->decompress() != OK); + } + if (icon->get_format() != Image::FORMAT_RGBA8) { + if (icon == p_icon) { + icon = icon->duplicate(); + } + icon->convert(Image::FORMAT_RGBA8); + } + + png_image png_meta; + memset(&png_meta, 0, sizeof png_meta); + png_meta.version = PNG_IMAGE_VERSION; + png_meta.width = icon->get_width(); + png_meta.height = icon->get_height(); + png_meta.format = PNG_FORMAT_RGBA; + + PackedByteArray png; + size_t len; + PackedByteArray data = icon->get_data(); + ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, data.ptr(), 0, nullptr)); + + png.resize(len); + ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, png.ptrw(), &len, 0, data.ptr(), 0, nullptr)); + + godot_js_display_window_icon_set(png.ptr(), len); +} + +void DisplayServerWeb::_dispatch_input_event(const Ref<InputEvent> &p_event) { + Callable cb = get_singleton()->input_event_callback; + if (!cb.is_null()) { + Variant ev = p_event; + Variant *evp = &ev; + Variant ret; + Callable::CallError ce; + cb.callp((const Variant **)&evp, 1, ret, ce); + } +} + +DisplayServer *DisplayServerWeb::create_func(const String &p_rendering_driver, WindowMode p_window_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Size2i &p_resolution, Error &r_error) { + return memnew(DisplayServerWeb(p_rendering_driver, p_window_mode, p_vsync_mode, p_flags, p_resolution, r_error)); +} + +DisplayServerWeb::DisplayServerWeb(const String &p_rendering_driver, WindowMode p_window_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Size2i &p_resolution, Error &r_error) { + r_error = OK; // Always succeeds for now. + + // Ensure the canvas ID. + godot_js_config_canvas_id_get(canvas_id, 256); + + // Handle contextmenu, webglcontextlost + godot_js_display_setup_canvas(p_resolution.x, p_resolution.y, (p_window_mode == WINDOW_MODE_FULLSCREEN || p_window_mode == WINDOW_MODE_EXCLUSIVE_FULLSCREEN), OS::get_singleton()->is_hidpi_allowed() ? 1 : 0); + + // Check if it's windows. + swap_cancel_ok = godot_js_display_is_swap_ok_cancel() == 1; + + // Expose method for requesting quit. + godot_js_os_request_quit_cb(request_quit_callback); + +#ifdef GLES3_ENABLED + // TODO "vulkan" defaults to webgl2 for now. + bool wants_webgl2 = p_rendering_driver == "opengl3" || p_rendering_driver == "vulkan"; + bool webgl2_init_failed = wants_webgl2 && !godot_js_display_has_webgl(2); + if (wants_webgl2 && !webgl2_init_failed) { + EmscriptenWebGLContextAttributes attributes; + emscripten_webgl_init_context_attributes(&attributes); + //attributes.alpha = GLOBAL_GET("display/window/per_pixel_transparency/allowed"); + attributes.alpha = true; + attributes.antialias = false; + attributes.majorVersion = 2; + + webgl_ctx = emscripten_webgl_create_context(canvas_id, &attributes); + if (emscripten_webgl_make_context_current(webgl_ctx) != EMSCRIPTEN_RESULT_SUCCESS) { + webgl2_init_failed = true; + } else { + RasterizerGLES3::make_current(); + } + } + if (webgl2_init_failed) { + OS::get_singleton()->alert("Your browser does not seem to support WebGL2. Please update your browser version.", + "Unable to initialize video driver"); + } + if (!wants_webgl2 || webgl2_init_failed) { + RasterizerDummy::make_current(); + } +#else + RasterizerDummy::make_current(); +#endif + + // JS Input interface (js/libs/library_godot_input.js) + godot_js_input_mouse_button_cb(&DisplayServerWeb::mouse_button_callback); + godot_js_input_mouse_move_cb(&DisplayServerWeb::mouse_move_callback); + godot_js_input_mouse_wheel_cb(&DisplayServerWeb::mouse_wheel_callback); + godot_js_input_touch_cb(&DisplayServerWeb::touch_callback, touch_event.identifier, touch_event.coords); + godot_js_input_key_cb(&DisplayServerWeb::key_callback, key_event.code, key_event.key); + godot_js_input_paste_cb(update_clipboard_callback); + godot_js_input_drop_files_cb(drop_files_js_callback); + godot_js_input_gamepad_cb(&DisplayServerWeb::gamepad_callback); + + // JS Display interface (js/libs/library_godot_display.js) + godot_js_display_fullscreen_cb(&DisplayServerWeb::fullscreen_change_callback); + godot_js_display_window_blur_cb(&window_blur_callback); + godot_js_display_notification_cb(&send_window_event_callback, + WINDOW_EVENT_MOUSE_ENTER, + WINDOW_EVENT_MOUSE_EXIT, + WINDOW_EVENT_FOCUS_IN, + WINDOW_EVENT_FOCUS_OUT); + godot_js_display_vk_cb(&vk_input_text_callback); + + Input::get_singleton()->set_event_dispatch_function(_dispatch_input_event); +} + +DisplayServerWeb::~DisplayServerWeb() { +#ifdef GLES3_ENABLED + if (webgl_ctx) { + emscripten_webgl_commit_frame(); + emscripten_webgl_destroy_context(webgl_ctx); + } +#endif +} + +bool DisplayServerWeb::has_feature(Feature p_feature) const { + switch (p_feature) { + //case FEATURE_GLOBAL_MENU: + //case FEATURE_HIDPI: + //case FEATURE_IME: + case FEATURE_ICON: + case FEATURE_CLIPBOARD: + case FEATURE_CURSOR_SHAPE: + case FEATURE_CUSTOM_CURSOR_SHAPE: + case FEATURE_MOUSE: + case FEATURE_TOUCHSCREEN: + return true; + //case FEATURE_MOUSE_WARP: + //case FEATURE_NATIVE_DIALOG: + //case FEATURE_NATIVE_ICON: + //case FEATURE_WINDOW_TRANSPARENCY: + //case FEATURE_KEEP_SCREEN_ON: + //case FEATURE_ORIENTATION: + case FEATURE_VIRTUAL_KEYBOARD: + return godot_js_display_vk_available() != 0; + case FEATURE_TEXT_TO_SPEECH: + return godot_js_display_tts_available() != 0; + default: + return false; + } +} + +void DisplayServerWeb::register_web_driver() { + register_create_function("web", create_func, get_rendering_drivers_func); +} + +String DisplayServerWeb::get_name() const { + return "web"; +} + +int DisplayServerWeb::get_screen_count() const { + return 1; +} + +Point2i DisplayServerWeb::screen_get_position(int p_screen) const { + return Point2i(); // TODO offsetX/Y? +} + +Size2i DisplayServerWeb::screen_get_size(int p_screen) const { + int size[2]; + godot_js_display_screen_size_get(size, size + 1); + return Size2(size[0], size[1]); +} + +Rect2i DisplayServerWeb::screen_get_usable_rect(int p_screen) const { + int size[2]; + godot_js_display_window_size_get(size, size + 1); + return Rect2i(0, 0, size[0], size[1]); +} + +int DisplayServerWeb::screen_get_dpi(int p_screen) const { + return godot_js_display_screen_dpi_get(); +} + +float DisplayServerWeb::screen_get_scale(int p_screen) const { + return godot_js_display_pixel_ratio_get(); +} + +float DisplayServerWeb::screen_get_refresh_rate(int p_screen) const { + return SCREEN_REFRESH_RATE_FALLBACK; // Web doesn't have much of a need for the screen refresh rate, and there's no native way to do so. +} + +Vector<DisplayServer::WindowID> DisplayServerWeb::get_window_list() const { + Vector<WindowID> ret; + ret.push_back(MAIN_WINDOW_ID); + return ret; +} + +DisplayServerWeb::WindowID DisplayServerWeb::get_window_at_screen_position(const Point2i &p_position) const { + return MAIN_WINDOW_ID; +} + +void DisplayServerWeb::window_attach_instance_id(ObjectID p_instance, WindowID p_window) { + window_attached_instance_id = p_instance; +} + +ObjectID DisplayServerWeb::window_get_attached_instance_id(WindowID p_window) const { + return window_attached_instance_id; +} + +void DisplayServerWeb::window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window) { + // Not supported. +} + +void DisplayServerWeb::window_set_window_event_callback(const Callable &p_callable, WindowID p_window) { + window_event_callback = p_callable; +} + +void DisplayServerWeb::window_set_input_event_callback(const Callable &p_callable, WindowID p_window) { + input_event_callback = p_callable; +} + +void DisplayServerWeb::window_set_input_text_callback(const Callable &p_callable, WindowID p_window) { + input_text_callback = p_callable; +} + +void DisplayServerWeb::window_set_drop_files_callback(const Callable &p_callable, WindowID p_window) { + drop_files_callback = p_callable; +} + +void DisplayServerWeb::window_set_title(const String &p_title, WindowID p_window) { + godot_js_display_window_title_set(p_title.utf8().get_data()); +} + +int DisplayServerWeb::window_get_current_screen(WindowID p_window) const { + return 1; +} + +void DisplayServerWeb::window_set_current_screen(int p_screen, WindowID p_window) { + // Not implemented. +} + +Point2i DisplayServerWeb::window_get_position(WindowID p_window) const { + return Point2i(); // TODO Does this need implementation? +} + +void DisplayServerWeb::window_set_position(const Point2i &p_position, WindowID p_window) { + // Not supported. +} + +void DisplayServerWeb::window_set_transient(WindowID p_window, WindowID p_parent) { + // Not supported. +} + +void DisplayServerWeb::window_set_max_size(const Size2i p_size, WindowID p_window) { + // Not supported. +} + +Size2i DisplayServerWeb::window_get_max_size(WindowID p_window) const { + return Size2i(); +} + +void DisplayServerWeb::window_set_min_size(const Size2i p_size, WindowID p_window) { + // Not supported. +} + +Size2i DisplayServerWeb::window_get_min_size(WindowID p_window) const { + return Size2i(); +} + +void DisplayServerWeb::window_set_size(const Size2i p_size, WindowID p_window) { + godot_js_display_desired_size_set(p_size.x, p_size.y); +} + +Size2i DisplayServerWeb::window_get_size(WindowID p_window) const { + int size[2]; + godot_js_display_window_size_get(size, size + 1); + return Size2i(size[0], size[1]); +} + +Size2i DisplayServerWeb::window_get_real_size(WindowID p_window) const { + return window_get_size(p_window); +} + +void DisplayServerWeb::window_set_mode(WindowMode p_mode, WindowID p_window) { + if (window_mode == p_mode) { + return; + } + + switch (p_mode) { + case WINDOW_MODE_WINDOWED: { + if (window_mode == WINDOW_MODE_FULLSCREEN) { + godot_js_display_fullscreen_exit(); + } + window_mode = WINDOW_MODE_WINDOWED; + } break; + case WINDOW_MODE_EXCLUSIVE_FULLSCREEN: + case WINDOW_MODE_FULLSCREEN: { + int result = godot_js_display_fullscreen_request(); + ERR_FAIL_COND_MSG(result, "The request was denied. Remember that enabling fullscreen is only possible from an input callback for the Web platform."); + } break; + case WINDOW_MODE_MAXIMIZED: + case WINDOW_MODE_MINIMIZED: + WARN_PRINT("WindowMode MAXIMIZED and MINIMIZED are not supported in Web platform."); + break; + default: + break; + } +} + +DisplayServerWeb::WindowMode DisplayServerWeb::window_get_mode(WindowID p_window) const { + return window_mode; +} + +bool DisplayServerWeb::window_is_maximize_allowed(WindowID p_window) const { + return false; +} + +void DisplayServerWeb::window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window) { + // Not supported. +} + +bool DisplayServerWeb::window_get_flag(WindowFlags p_flag, WindowID p_window) const { + return false; +} + +void DisplayServerWeb::window_request_attention(WindowID p_window) { + // Not supported. +} + +void DisplayServerWeb::window_move_to_foreground(WindowID p_window) { + // Not supported. +} + +bool DisplayServerWeb::window_can_draw(WindowID p_window) const { + return true; +} + +bool DisplayServerWeb::can_any_window_draw() const { + return true; +} + +void DisplayServerWeb::process_events() { + Input::get_singleton()->flush_buffered_events(); + if (godot_js_input_gamepad_sample() == OK) { + process_joypads(); + } +} + +int DisplayServerWeb::get_current_video_driver() const { + return 1; +} + +bool DisplayServerWeb::get_swap_cancel_ok() { + return swap_cancel_ok; +} + +void DisplayServerWeb::swap_buffers() { +#ifdef GLES3_ENABLED + if (webgl_ctx) { + emscripten_webgl_commit_frame(); + } +#endif +} diff --git a/platform/web/display_server_web.h b/platform/web/display_server_web.h new file mode 100644 index 0000000000..85076b906f --- /dev/null +++ b/platform/web/display_server_web.h @@ -0,0 +1,228 @@ +/*************************************************************************/ +/* display_server_web.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef DISPLAY_SERVER_WEB_H +#define DISPLAY_SERVER_WEB_H + +#include "servers/display_server.h" + +#include <emscripten.h> +#include <emscripten/html5.h> + +class DisplayServerWeb : public DisplayServer { +private: + struct JSTouchEvent { + uint32_t identifier[32] = { 0 }; + double coords[64] = { 0 }; + }; + JSTouchEvent touch_event; + + struct JSKeyEvent { + char code[32] = { 0 }; + char key[32] = { 0 }; + uint8_t modifiers[4] = { 0 }; + }; + JSKeyEvent key_event; + +#ifdef GLES3_ENABLED + EMSCRIPTEN_WEBGL_CONTEXT_HANDLE webgl_ctx = 0; +#endif + + HashMap<int, CharString> utterance_ids; + + WindowMode window_mode = WINDOW_MODE_WINDOWED; + ObjectID window_attached_instance_id = {}; + + Callable window_event_callback; + Callable input_event_callback; + Callable input_text_callback; + Callable drop_files_callback; + + String clipboard; + Point2 touches[32]; + + Array voices; + + char canvas_id[256] = { 0 }; + bool cursor_inside_canvas = true; + CursorShape cursor_shape = CURSOR_ARROW; + Point2i last_click_pos = Point2(-100, -100); // TODO check this again. + uint64_t last_click_ms = 0; + MouseButton last_click_button_index = MouseButton::NONE; + + bool swap_cancel_ok = false; + + // utilities + static void dom2godot_mod(Ref<InputEventWithModifiers> ev, int p_mod); + static const char *godot2dom_cursor(DisplayServer::CursorShape p_shape); + + // events + static void fullscreen_change_callback(int p_fullscreen); + static int mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers); + static void mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers); + static int mouse_wheel_callback(double p_delta_x, double p_delta_y); + static void touch_callback(int p_type, int p_count); + static void key_callback(int p_pressed, int p_repeat, int p_modifiers); + static void vk_input_text_callback(const char *p_text, int p_cursor); + static void gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid); + void process_joypads(); + static void _js_utterance_callback(int p_event, int p_id, int p_pos); + + static Vector<String> get_rendering_drivers_func(); + static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_window_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error); + + static void _dispatch_input_event(const Ref<InputEvent> &p_event); + + static void request_quit_callback(); + static void window_blur_callback(); + static void update_voices_callback(int p_size, const char **p_voice); + static void update_clipboard_callback(const char *p_text); + static void send_window_event_callback(int p_notification); + static void drop_files_js_callback(char **p_filev, int p_filec); + +protected: + int get_current_video_driver() const; + +public: + // Override return type to make writing static callbacks less tedious. + static DisplayServerWeb *get_singleton(); + + // utilities + bool check_size_force_redraw(); + + // from DisplayServer + virtual bool has_feature(Feature p_feature) const override; + virtual String get_name() const override; + + // tts + virtual bool tts_is_speaking() const override; + virtual bool tts_is_paused() const override; + virtual TypedArray<Dictionary> tts_get_voices() const override; + + virtual void tts_speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.f, float p_rate = 1.f, int p_utterance_id = 0, bool p_interrupt = false) override; + virtual void tts_pause() override; + virtual void tts_resume() override; + virtual void tts_stop() override; + + // cursor + virtual void cursor_set_shape(CursorShape p_shape) override; + virtual CursorShape cursor_get_shape() const override; + virtual void cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape = CURSOR_ARROW, const Vector2 &p_hotspot = Vector2()) override; + + // mouse + virtual void mouse_set_mode(MouseMode p_mode) override; + virtual MouseMode mouse_get_mode() const override; + virtual Point2i mouse_get_position() const override; + + // touch + virtual bool screen_is_touchscreen(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; + + // clipboard + virtual void clipboard_set(const String &p_text) override; + virtual String clipboard_get() const override; + + // screen + virtual int get_screen_count() const override; + virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; + virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; + virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; + virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; + virtual float screen_get_scale(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; + virtual float screen_get_refresh_rate(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; + + virtual void virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), VirtualKeyboardType p_type = KEYBOARD_TYPE_DEFAULT, int p_max_input_length = -1, int p_cursor_start = -1, int p_cursor_end = -1) override; + virtual void virtual_keyboard_hide() override; + + // windows + virtual Vector<DisplayServer::WindowID> get_window_list() const override; + virtual WindowID get_window_at_screen_position(const Point2i &p_position) const override; + + virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) override; + virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; + + virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; + virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; + virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; + + virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; + + virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) override; + + virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const override; + virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) override; + + virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const override; + virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) override; + + virtual void window_set_transient(WindowID p_window, WindowID p_parent) override; + + virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override; + virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override; + virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override; + virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const override; + virtual Size2i window_get_real_size(WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) override; + virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) override; + virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) override; + virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) override; + + virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const override; + + virtual bool can_any_window_draw() const override; + + // events + virtual void process_events() override; + + // icon + virtual void set_icon(const Ref<Image> &p_icon) override; + + // others + virtual bool get_swap_cancel_ok() override; + virtual void swap_buffers() override; + + static void register_web_driver(); + DisplayServerWeb(const String &p_rendering_driver, WindowMode p_window_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Size2i &p_resolution, Error &r_error); + ~DisplayServerWeb(); +}; + +#endif // DISPLAY_SERVER_WEB_H diff --git a/platform/web/dom_keys.inc b/platform/web/dom_keys.inc new file mode 100644 index 0000000000..115b5479e4 --- /dev/null +++ b/platform/web/dom_keys.inc @@ -0,0 +1,232 @@ +/*************************************************************************/ +/* dom_keys.inc */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "core/os/keyboard.h" + +// See https://w3c.github.io/uievents-code/#code-value-tables +Key dom_code2godot_scancode(EM_UTF8 const p_code[32], EM_UTF8 const p_key[32], bool p_physical) { +#define DOM2GODOT(p_str, p_godot_code) \ + if (memcmp((const void *)p_str, (void *)p_code, strlen(p_str) + 1) == 0) { \ + return Key::p_godot_code; \ + } + + // Numpad section. + DOM2GODOT("NumLock", NUMLOCK); + DOM2GODOT("Numpad0", KP_0); + DOM2GODOT("Numpad1", KP_1); + DOM2GODOT("Numpad2", KP_2); + DOM2GODOT("Numpad3", KP_3); + DOM2GODOT("Numpad4", KP_4); + DOM2GODOT("Numpad5", KP_5); + DOM2GODOT("Numpad6", KP_6); + DOM2GODOT("Numpad7", KP_7); + DOM2GODOT("Numpad8", KP_8); + DOM2GODOT("Numpad9", KP_9); + DOM2GODOT("NumpadAdd", KP_ADD); + DOM2GODOT("NumpadBackspace", BACKSPACE); + DOM2GODOT("NumpadClear", CLEAR); + DOM2GODOT("NumpadClearEntry", CLEAR); + //DOM2GODOT("NumpadComma", UNKNOWN); + DOM2GODOT("NumpadDecimal", KP_PERIOD); + DOM2GODOT("NumpadDivide", KP_DIVIDE); + DOM2GODOT("NumpadEnter", KP_ENTER); + DOM2GODOT("NumpadEqual", EQUAL); + //DOM2GODOT("NumpadHash", UNKNOWN); + //DOM2GODOT("NumpadMemoryAdd", UNKNOWN); + //DOM2GODOT("NumpadMemoryClear", UNKNOWN); + //DOM2GODOT("NumpadMemoryRecall", UNKNOWN); + //DOM2GODOT("NumpadMemoryStore", UNKNOWN); + //DOM2GODOT("NumpadMemorySubtract", UNKNOWN); + DOM2GODOT("NumpadMultiply", KP_MULTIPLY); + DOM2GODOT("NumpadParenLeft", PARENLEFT); + DOM2GODOT("NumpadParenRight", PARENRIGHT); + DOM2GODOT("NumpadStar", KP_MULTIPLY); // or ASTERISK ? + DOM2GODOT("NumpadSubtract", KP_SUBTRACT); + + // Printable ASCII. + if (!p_physical) { + uint8_t b0 = (uint8_t)p_key[0]; + uint8_t b1 = (uint8_t)p_key[1]; + uint8_t b2 = (uint8_t)p_key[2]; + if (b1 == 0 && b0 > 0x1F && b0 < 0x7F) { // ASCII. + if (b0 > 0x60 && b0 < 0x7B) { // Lowercase ASCII. + b0 -= 32; + } + return (Key)b0; + } + +#define _U_2BYTES_MASK 0xE0 +#define _U_2BYTES 0xC0 + // Latin-1 codes. + if (b2 == 0 && (b0 & _U_2BYTES_MASK) == _U_2BYTES) { // 2-bytes utf8, only known latin. + uint32_t key = ((b0 & ~_U_2BYTES_MASK) << 6) | (b1 & 0x3F); + if (key >= 0xA0 && key <= 0xDF) { + return (Key)key; + } + if (key >= 0xE0 && key <= 0xFF) { // Lowercase known latin. + key -= 0x20; + return (Key)key; + } + } +#undef _U_2BYTES_MASK +#undef _U_2BYTES + } + + // Alphanumeric section. + DOM2GODOT("Backquote", QUOTELEFT); + DOM2GODOT("Backslash", BACKSLASH); + DOM2GODOT("BracketLeft", BRACKETLEFT); + DOM2GODOT("BracketRight", BRACKETRIGHT); + DOM2GODOT("Comma", COMMA); + DOM2GODOT("Digit0", KEY_0); + DOM2GODOT("Digit1", KEY_1); + DOM2GODOT("Digit2", KEY_2); + DOM2GODOT("Digit3", KEY_3); + DOM2GODOT("Digit4", KEY_4); + DOM2GODOT("Digit5", KEY_5); + DOM2GODOT("Digit6", KEY_6); + DOM2GODOT("Digit7", KEY_7); + DOM2GODOT("Digit8", KEY_8); + DOM2GODOT("Digit9", KEY_9); + DOM2GODOT("Equal", EQUAL); + DOM2GODOT("IntlBackslash", BACKSLASH); + //DOM2GODOT("IntlRo", UNKNOWN); + DOM2GODOT("IntlYen", YEN); + + DOM2GODOT("KeyA", A); + DOM2GODOT("KeyB", B); + DOM2GODOT("KeyC", C); + DOM2GODOT("KeyD", D); + DOM2GODOT("KeyE", E); + DOM2GODOT("KeyF", F); + DOM2GODOT("KeyG", G); + DOM2GODOT("KeyH", H); + DOM2GODOT("KeyI", I); + DOM2GODOT("KeyJ", J); + DOM2GODOT("KeyK", K); + DOM2GODOT("KeyL", L); + DOM2GODOT("KeyM", M); + DOM2GODOT("KeyN", N); + DOM2GODOT("KeyO", O); + DOM2GODOT("KeyP", P); + DOM2GODOT("KeyQ", Q); + DOM2GODOT("KeyR", R); + DOM2GODOT("KeyS", S); + DOM2GODOT("KeyT", T); + DOM2GODOT("KeyU", U); + DOM2GODOT("KeyV", V); + DOM2GODOT("KeyW", W); + DOM2GODOT("KeyX", X); + DOM2GODOT("KeyY", Y); + DOM2GODOT("KeyZ", Z); + + DOM2GODOT("Minus", MINUS); + DOM2GODOT("Period", PERIOD); + DOM2GODOT("Quote", APOSTROPHE); + DOM2GODOT("Semicolon", SEMICOLON); + DOM2GODOT("Slash", SLASH); + + // Functional keys in the Alphanumeric section. + DOM2GODOT("AltLeft", ALT); + DOM2GODOT("AltRight", ALT); + DOM2GODOT("Backspace", BACKSPACE); + DOM2GODOT("CapsLock", CAPSLOCK); + DOM2GODOT("ContextMenu", MENU); + DOM2GODOT("ControlLeft", CTRL); + DOM2GODOT("ControlRight", CTRL); + DOM2GODOT("Enter", ENTER); + DOM2GODOT("MetaLeft", SUPER_L); + DOM2GODOT("MetaRight", SUPER_R); + DOM2GODOT("ShiftLeft", SHIFT); + DOM2GODOT("ShiftRight", SHIFT); + DOM2GODOT("Space", SPACE); + DOM2GODOT("Tab", TAB); + + // ControlPad section. + DOM2GODOT("Delete", KEY_DELETE); + DOM2GODOT("End", END); + DOM2GODOT("Help", HELP); + DOM2GODOT("Home", HOME); + DOM2GODOT("Insert", INSERT); + DOM2GODOT("PageDown", PAGEDOWN); + DOM2GODOT("PageUp", PAGEUP); + + // ArrowPad section. + DOM2GODOT("ArrowDown", DOWN); + DOM2GODOT("ArrowLeft", LEFT); + DOM2GODOT("ArrowRight", RIGHT); + DOM2GODOT("ArrowUp", UP); + + // Function section. + DOM2GODOT("Escape", ESCAPE); + DOM2GODOT("F1", F1); + DOM2GODOT("F2", F2); + DOM2GODOT("F3", F3); + DOM2GODOT("F4", F4); + DOM2GODOT("F5", F5); + DOM2GODOT("F6", F6); + DOM2GODOT("F7", F7); + DOM2GODOT("F8", F8); + DOM2GODOT("F9", F9); + DOM2GODOT("F10", F10); + DOM2GODOT("F11", F11); + DOM2GODOT("F12", F12); + //DOM2GODOT("Fn", UNKNOWN); // never actually fired, but included in the standard draft. + //DOM2GODOT("FnLock", UNKNOWN); + DOM2GODOT("PrintScreen", PRINT); + DOM2GODOT("ScrollLock", SCROLLLOCK); + DOM2GODOT("Pause", PAUSE); + + // Media keys section. + DOM2GODOT("BrowserBack", BACK); + DOM2GODOT("BrowserFavorites", FAVORITES); + DOM2GODOT("BrowserForward", FORWARD); + DOM2GODOT("BrowserHome", OPENURL); + DOM2GODOT("BrowserRefresh", REFRESH); + DOM2GODOT("BrowserSearch", SEARCH); + DOM2GODOT("BrowserStop", STOP); + //DOM2GODOT("Eject", UNKNOWN); + DOM2GODOT("LaunchApp1", LAUNCH0); + DOM2GODOT("LaunchApp2", LAUNCH1); + DOM2GODOT("LaunchMail", LAUNCHMAIL); + DOM2GODOT("MediaPlayPause", MEDIAPLAY); + DOM2GODOT("MediaSelect", LAUNCHMEDIA); + DOM2GODOT("MediaStop", MEDIASTOP); + DOM2GODOT("MediaTrackNext", MEDIANEXT); + DOM2GODOT("MediaTrackPrevious", MEDIAPREVIOUS); + //DOM2GODOT("Power", UNKNOWN); + //DOM2GODOT("Sleep", UNKNOWN); + DOM2GODOT("AudioVolumeDown", VOLUMEDOWN); + DOM2GODOT("AudioVolumeMute", VOLUMEMUTE); + DOM2GODOT("AudioVolumeUp", VOLUMEUP); + //DOM2GODOT("WakeUp", UNKNOWN); + return Key::UNKNOWN; +#undef DOM2GODOT +} diff --git a/platform/web/emscripten_helpers.py b/platform/web/emscripten_helpers.py new file mode 100644 index 0000000000..b7b1026ef7 --- /dev/null +++ b/platform/web/emscripten_helpers.py @@ -0,0 +1,128 @@ +import os, json + +from SCons.Util import WhereIs + + +def run_closure_compiler(target, source, env, for_signature): + closure_bin = os.path.join(os.path.dirname(WhereIs("emcc")), "node_modules", ".bin", "google-closure-compiler") + cmd = [WhereIs("node"), closure_bin] + cmd.extend(["--compilation_level", "ADVANCED_OPTIMIZATIONS"]) + for f in env["JSEXTERNS"]: + cmd.extend(["--externs", f.get_abspath()]) + for f in source: + cmd.extend(["--js", f.get_abspath()]) + cmd.extend(["--js_output_file", target[0].get_abspath()]) + return " ".join(cmd) + + +def get_build_version(): + import version + + name = "custom_build" + if os.getenv("BUILD_NAME") != None: + name = os.getenv("BUILD_NAME") + v = "%d.%d" % (version.major, version.minor) + if version.patch > 0: + v += ".%d" % version.patch + status = version.status + if os.getenv("GODOT_VERSION_STATUS") != None: + status = str(os.getenv("GODOT_VERSION_STATUS")) + v += ".%s.%s" % (status, name) + return v + + +def create_engine_file(env, target, source, externs): + if env["use_closure_compiler"]: + return env.BuildJS(target, source, JSEXTERNS=externs) + return env.Textfile(target, [env.File(s) for s in source]) + + +def create_template_zip(env, js, wasm, extra): + binary_name = "godot.tools" if env["tools"] else "godot" + zip_dir = env.Dir("#bin/.web_zip") + in_files = [ + js, + wasm, + "#platform/web/js/libs/audio.worklet.js", + ] + out_files = [ + zip_dir.File(binary_name + ".js"), + zip_dir.File(binary_name + ".wasm"), + zip_dir.File(binary_name + ".audio.worklet.js"), + ] + # GDNative/Threads specific + if env["gdnative_enabled"]: + in_files.append(extra.pop()) # Runtime + out_files.append(zip_dir.File(binary_name + ".side.wasm")) + if env["threads_enabled"]: + in_files.append(extra.pop()) # Worker + out_files.append(zip_dir.File(binary_name + ".worker.js")) + + service_worker = "#misc/dist/html/service-worker.js" + if env["tools"]: + # HTML + html = "#misc/dist/html/editor.html" + cache = [ + "godot.tools.html", + "offline.html", + "godot.tools.js", + "godot.tools.worker.js", + "godot.tools.audio.worklet.js", + "logo.svg", + "favicon.png", + ] + opt_cache = ["godot.tools.wasm"] + subst_dict = { + "@GODOT_VERSION@": get_build_version(), + "@GODOT_NAME@": "GodotEngine", + "@GODOT_CACHE@": json.dumps(cache), + "@GODOT_OPT_CACHE@": json.dumps(opt_cache), + "@GODOT_OFFLINE_PAGE@": "offline.html", + } + html = env.Substfile(target="#bin/godot${PROGSUFFIX}.html", source=html, SUBST_DICT=subst_dict) + in_files.append(html) + out_files.append(zip_dir.File(binary_name + ".html")) + # And logo/favicon + in_files.append("#misc/dist/html/logo.svg") + out_files.append(zip_dir.File("logo.svg")) + in_files.append("#icon.png") + out_files.append(zip_dir.File("favicon.png")) + # PWA + service_worker = env.Substfile( + target="#bin/godot${PROGSUFFIX}.service.worker.js", source=service_worker, SUBST_DICT=subst_dict + ) + in_files.append(service_worker) + out_files.append(zip_dir.File("service.worker.js")) + in_files.append("#misc/dist/html/manifest.json") + out_files.append(zip_dir.File("manifest.json")) + in_files.append("#misc/dist/html/offline.html") + out_files.append(zip_dir.File("offline.html")) + else: + # HTML + in_files.append("#misc/dist/html/full-size.html") + out_files.append(zip_dir.File(binary_name + ".html")) + in_files.append(service_worker) + out_files.append(zip_dir.File(binary_name + ".service.worker.js")) + in_files.append("#misc/dist/html/offline-export.html") + out_files.append(zip_dir.File("godot.offline.html")) + + zip_files = env.InstallAs(out_files, in_files) + env.Zip( + "#bin/godot", + zip_files, + ZIPROOT=zip_dir, + ZIPSUFFIX="${PROGSUFFIX}${ZIPSUFFIX}", + ZIPCOMSTR="Archiving $SOURCES as $TARGET", + ) + + +def add_js_libraries(env, libraries): + env.Append(JS_LIBS=env.File(libraries)) + + +def add_js_pre(env, js_pre): + env.Append(JS_PRE=env.File(js_pre)) + + +def add_js_externs(env, externs): + env.Append(JS_EXTERNS=env.File(externs)) diff --git a/platform/web/export/editor_http_server.h b/platform/web/export/editor_http_server.h new file mode 100644 index 0000000000..1e50e60a28 --- /dev/null +++ b/platform/web/export/editor_http_server.h @@ -0,0 +1,250 @@ +/*************************************************************************/ +/* editor_http_server.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef WEB_EDITOR_HTTP_SERVER_H +#define WEB_EDITOR_HTTP_SERVER_H + +#include "core/io/image_loader.h" +#include "core/io/stream_peer_ssl.h" +#include "core/io/tcp_server.h" +#include "core/io/zip_io.h" +#include "editor/editor_paths.h" + +class EditorHTTPServer : public RefCounted { +private: + Ref<TCPServer> server; + HashMap<String, String> mimes; + Ref<StreamPeerTCP> tcp; + Ref<StreamPeerSSL> ssl; + Ref<StreamPeer> peer; + Ref<CryptoKey> key; + Ref<X509Certificate> cert; + bool use_ssl = false; + uint64_t time = 0; + uint8_t req_buf[4096]; + int req_pos = 0; + + void _clear_client() { + peer = Ref<StreamPeer>(); + ssl = Ref<StreamPeerSSL>(); + tcp = Ref<StreamPeerTCP>(); + memset(req_buf, 0, sizeof(req_buf)); + time = 0; + req_pos = 0; + } + + void _set_internal_certs(Ref<Crypto> p_crypto) { + const String cache_path = EditorPaths::get_singleton()->get_cache_dir(); + const String key_path = cache_path.plus_file("html5_server.key"); + const String crt_path = cache_path.plus_file("html5_server.crt"); + bool regen = !FileAccess::exists(key_path) || !FileAccess::exists(crt_path); + if (!regen) { + key = Ref<CryptoKey>(CryptoKey::create()); + cert = Ref<X509Certificate>(X509Certificate::create()); + if (key->load(key_path) != OK || cert->load(crt_path) != OK) { + regen = true; + } + } + if (regen) { + key = p_crypto->generate_rsa(2048); + key->save(key_path); + cert = p_crypto->generate_self_signed_certificate(key, "CN=godot-debug.local,O=A Game Dev,C=XXA", "20140101000000", "20340101000000"); + cert->save(crt_path); + } + } + +public: + EditorHTTPServer() { + mimes["html"] = "text/html"; + mimes["js"] = "application/javascript"; + mimes["json"] = "application/json"; + mimes["pck"] = "application/octet-stream"; + mimes["png"] = "image/png"; + mimes["svg"] = "image/svg"; + mimes["wasm"] = "application/wasm"; + server.instantiate(); + stop(); + } + + void stop() { + server->stop(); + _clear_client(); + } + + Error listen(int p_port, IPAddress p_address, bool p_use_ssl, String p_ssl_key, String p_ssl_cert) { + use_ssl = p_use_ssl; + if (use_ssl) { + Ref<Crypto> crypto = Crypto::create(); + if (crypto.is_null()) { + return ERR_UNAVAILABLE; + } + if (!p_ssl_key.is_empty() && !p_ssl_cert.is_empty()) { + key = Ref<CryptoKey>(CryptoKey::create()); + Error err = key->load(p_ssl_key); + ERR_FAIL_COND_V(err != OK, err); + cert = Ref<X509Certificate>(X509Certificate::create()); + err = cert->load(p_ssl_cert); + ERR_FAIL_COND_V(err != OK, err); + } else { + _set_internal_certs(crypto); + } + } + return server->listen(p_port, p_address); + } + + bool is_listening() const { + return server->is_listening(); + } + + void _send_response() { + Vector<String> psa = String((char *)req_buf).split("\r\n"); + int len = psa.size(); + ERR_FAIL_COND_MSG(len < 4, "Not enough response headers, got: " + itos(len) + ", expected >= 4."); + + Vector<String> req = psa[0].split(" ", false); + ERR_FAIL_COND_MSG(req.size() < 2, "Invalid protocol or status code."); + + // Wrong protocol + ERR_FAIL_COND_MSG(req[0] != "GET" || req[2] != "HTTP/1.1", "Invalid method or HTTP version."); + + const int query_index = req[1].find_char('?'); + const String path = (query_index == -1) ? req[1] : req[1].substr(0, query_index); + + const String req_file = path.get_file(); + const String req_ext = path.get_extension(); + const String cache_path = EditorPaths::get_singleton()->get_cache_dir().plus_file("web"); + const String filepath = cache_path.plus_file(req_file); + + if (!mimes.has(req_ext) || !FileAccess::exists(filepath)) { + String s = "HTTP/1.1 404 Not Found\r\n"; + s += "Connection: Close\r\n"; + s += "\r\n"; + CharString cs = s.utf8(); + peer->put_data((const uint8_t *)cs.get_data(), cs.size() - 1); + return; + } + const String ctype = mimes[req_ext]; + + Ref<FileAccess> f = FileAccess::open(filepath, FileAccess::READ); + ERR_FAIL_COND(f.is_null()); + String s = "HTTP/1.1 200 OK\r\n"; + s += "Connection: Close\r\n"; + s += "Content-Type: " + ctype + "\r\n"; + s += "Access-Control-Allow-Origin: *\r\n"; + s += "Cross-Origin-Opener-Policy: same-origin\r\n"; + s += "Cross-Origin-Embedder-Policy: require-corp\r\n"; + s += "Cache-Control: no-store, max-age=0\r\n"; + s += "\r\n"; + CharString cs = s.utf8(); + Error err = peer->put_data((const uint8_t *)cs.get_data(), cs.size() - 1); + if (err != OK) { + ERR_FAIL(); + } + + while (true) { + uint8_t bytes[4096]; + uint64_t read = f->get_buffer(bytes, 4096); + if (read == 0) { + break; + } + err = peer->put_data(bytes, read); + if (err != OK) { + ERR_FAIL(); + } + } + } + + void poll() { + if (!server->is_listening()) { + return; + } + if (tcp.is_null()) { + if (!server->is_connection_available()) { + return; + } + tcp = server->take_connection(); + peer = tcp; + time = OS::get_singleton()->get_ticks_usec(); + } + if (OS::get_singleton()->get_ticks_usec() - time > 1000000) { + _clear_client(); + return; + } + if (tcp->get_status() != StreamPeerTCP::STATUS_CONNECTED) { + return; + } + + if (use_ssl) { + if (ssl.is_null()) { + ssl = Ref<StreamPeerSSL>(StreamPeerSSL::create()); + peer = ssl; + ssl->set_blocking_handshake_enabled(false); + if (ssl->accept_stream(tcp, key, cert) != OK) { + _clear_client(); + return; + } + } + ssl->poll(); + if (ssl->get_status() == StreamPeerSSL::STATUS_HANDSHAKING) { + // Still handshaking, keep waiting. + return; + } + if (ssl->get_status() != StreamPeerSSL::STATUS_CONNECTED) { + _clear_client(); + return; + } + } + + while (true) { + char *r = (char *)req_buf; + int l = req_pos - 1; + if (l > 3 && r[l] == '\n' && r[l - 1] == '\r' && r[l - 2] == '\n' && r[l - 3] == '\r') { + _send_response(); + _clear_client(); + return; + } + + int read = 0; + ERR_FAIL_COND(req_pos >= 4096); + Error err = peer->get_partial_data(&req_buf[req_pos], 1, read); + if (err != OK) { + // Got an error + _clear_client(); + return; + } else if (read != 1) { + // Busy, wait next poll + return; + } + req_pos += read; + } + } +}; + +#endif // WEB_EDITOR_HTTP_SERVER_H diff --git a/platform/web/export/export.cpp b/platform/web/export/export.cpp new file mode 100644 index 0000000000..3d40f2c10d --- /dev/null +++ b/platform/web/export/export.cpp @@ -0,0 +1,49 @@ +/*************************************************************************/ +/* export.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "export.h" + +#include "editor/editor_settings.h" +#include "export_plugin.h" + +void register_web_exporter() { + EDITOR_DEF("export/web/http_host", "localhost"); + EDITOR_DEF("export/web/http_port", 8060); + EDITOR_DEF("export/web/use_ssl", false); + EDITOR_DEF("export/web/ssl_key", ""); + EDITOR_DEF("export/web/ssl_certificate", ""); + EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::INT, "export/web/http_port", PROPERTY_HINT_RANGE, "1,65535,1")); + EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::STRING, "export/web/ssl_key", PROPERTY_HINT_GLOBAL_FILE, "*.key")); + EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::STRING, "export/web/ssl_certificate", PROPERTY_HINT_GLOBAL_FILE, "*.crt,*.pem")); + + Ref<EditorExportPlatformWeb> platform; + platform.instantiate(); + EditorExport::get_singleton()->add_export_platform(platform); +} diff --git a/platform/web/export/export.h b/platform/web/export/export.h new file mode 100644 index 0000000000..7947f292a4 --- /dev/null +++ b/platform/web/export/export.h @@ -0,0 +1,36 @@ +/*************************************************************************/ +/* export.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef WEB_EXPORT_H +#define WEB_EXPORT_H + +void register_web_exporter(); + +#endif // WEB_EXPORT_H diff --git a/platform/web/export/export_plugin.cpp b/platform/web/export/export_plugin.cpp new file mode 100644 index 0000000000..996d1db2e7 --- /dev/null +++ b/platform/web/export/export_plugin.cpp @@ -0,0 +1,700 @@ +/*************************************************************************/ +/* export_plugin.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "export_plugin.h" + +#include "core/config/project_settings.h" +#include "editor/editor_settings.h" + +Error EditorExportPlatformWeb::_extract_template(const String &p_template, const String &p_dir, const String &p_name, bool pwa) { + Ref<FileAccess> io_fa; + zlib_filefunc_def io = zipio_create_io(&io_fa); + unzFile pkg = unzOpen2(p_template.utf8().get_data(), &io); + + if (!pkg) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Prepare Templates"), vformat(TTR("Could not open template for export: \"%s\"."), p_template)); + return ERR_FILE_NOT_FOUND; + } + + if (unzGoToFirstFile(pkg) != UNZ_OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Prepare Templates"), vformat(TTR("Invalid export template: \"%s\"."), p_template)); + unzClose(pkg); + return ERR_FILE_CORRUPT; + } + + do { + //get filename + unz_file_info info; + char fname[16384]; + unzGetCurrentFileInfo(pkg, &info, fname, 16384, nullptr, 0, nullptr, 0); + + String file = String::utf8(fname); + + // Skip folders. + if (file.ends_with("/")) { + continue; + } + + // Skip service worker and offline page if not exporting pwa. + if (!pwa && (file == "godot.service.worker.js" || file == "godot.offline.html")) { + continue; + } + Vector<uint8_t> data; + data.resize(info.uncompressed_size); + + //read + unzOpenCurrentFile(pkg); + unzReadCurrentFile(pkg, data.ptrw(), data.size()); + unzCloseCurrentFile(pkg); + + //write + String dst = p_dir.plus_file(file.replace("godot", p_name)); + Ref<FileAccess> f = FileAccess::open(dst, FileAccess::WRITE); + if (f.is_null()) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Prepare Templates"), vformat(TTR("Could not write file: \"%s\"."), dst)); + unzClose(pkg); + return ERR_FILE_CANT_WRITE; + } + f->store_buffer(data.ptr(), data.size()); + + } while (unzGoToNextFile(pkg) == UNZ_OK); + unzClose(pkg); + return OK; +} + +Error EditorExportPlatformWeb::_write_or_error(const uint8_t *p_content, int p_size, String p_path) { + Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::WRITE); + if (f.is_null()) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not write file: \"%s\"."), p_path)); + return ERR_FILE_CANT_WRITE; + } + f->store_buffer(p_content, p_size); + return OK; +} + +void EditorExportPlatformWeb::_replace_strings(HashMap<String, String> p_replaces, Vector<uint8_t> &r_template) { + String str_template = String::utf8(reinterpret_cast<const char *>(r_template.ptr()), r_template.size()); + String out; + Vector<String> lines = str_template.split("\n"); + for (int i = 0; i < lines.size(); i++) { + String current_line = lines[i]; + for (const KeyValue<String, String> &E : p_replaces) { + current_line = current_line.replace(E.key, E.value); + } + out += current_line + "\n"; + } + CharString cs = out.utf8(); + r_template.resize(cs.length()); + for (int i = 0; i < cs.length(); i++) { + r_template.write[i] = cs[i]; + } +} + +void EditorExportPlatformWeb::_fix_html(Vector<uint8_t> &p_html, const Ref<EditorExportPreset> &p_preset, const String &p_name, bool p_debug, int p_flags, const Vector<SharedObject> p_shared_objects, const Dictionary &p_file_sizes) { + // Engine.js config + Dictionary config; + Array libs; + for (int i = 0; i < p_shared_objects.size(); i++) { + libs.push_back(p_shared_objects[i].path.get_file()); + } + Vector<String> flags; + gen_export_flags(flags, p_flags & (~DEBUG_FLAG_DUMB_CLIENT)); + Array args; + for (int i = 0; i < flags.size(); i++) { + args.push_back(flags[i]); + } + config["canvasResizePolicy"] = p_preset->get("html/canvas_resize_policy"); + config["experimentalVK"] = p_preset->get("html/experimental_virtual_keyboard"); + config["focusCanvas"] = p_preset->get("html/focus_canvas_on_start"); + config["gdnativeLibs"] = libs; + config["executable"] = p_name; + config["args"] = args; + config["fileSizes"] = p_file_sizes; + + String head_include; + if (p_preset->get("html/export_icon")) { + head_include += "<link id='-gd-engine-icon' rel='icon' type='image/png' href='" + p_name + ".icon.png' />\n"; + head_include += "<link rel='apple-touch-icon' href='" + p_name + ".apple-touch-icon.png'/>\n"; + } + if (p_preset->get("progressive_web_app/enabled")) { + head_include += "<link rel='manifest' href='" + p_name + ".manifest.json'>\n"; + config["serviceWorker"] = p_name + ".service.worker.js"; + } + + // Replaces HTML string + const String str_config = Variant(config).to_json_string(); + const String custom_head_include = p_preset->get("html/head_include"); + HashMap<String, String> replaces; + replaces["$GODOT_URL"] = p_name + ".js"; + replaces["$GODOT_PROJECT_NAME"] = ProjectSettings::get_singleton()->get_setting("application/config/name"); + replaces["$GODOT_HEAD_INCLUDE"] = head_include + custom_head_include; + replaces["$GODOT_CONFIG"] = str_config; + _replace_strings(replaces, p_html); +} + +Error EditorExportPlatformWeb::_add_manifest_icon(const String &p_path, const String &p_icon, int p_size, Array &r_arr) { + const String name = p_path.get_file().get_basename(); + const String icon_name = vformat("%s.%dx%d.png", name, p_size, p_size); + const String icon_dest = p_path.get_base_dir().plus_file(icon_name); + + Ref<Image> icon; + if (!p_icon.is_empty()) { + icon.instantiate(); + const Error err = ImageLoader::load_image(p_icon, icon); + if (err != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Icon Creation"), vformat(TTR("Could not read file: \"%s\"."), p_icon)); + return err; + } + if (icon->get_width() != p_size || icon->get_height() != p_size) { + icon->resize(p_size, p_size); + } + } else { + icon = _get_project_icon(); + icon->resize(p_size, p_size); + } + const Error err = icon->save_png(icon_dest); + if (err != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Icon Creation"), vformat(TTR("Could not write file: \"%s\"."), icon_dest)); + return err; + } + Dictionary icon_dict; + icon_dict["sizes"] = vformat("%dx%d", p_size, p_size); + icon_dict["type"] = "image/png"; + icon_dict["src"] = icon_name; + r_arr.push_back(icon_dict); + return err; +} + +Error EditorExportPlatformWeb::_build_pwa(const Ref<EditorExportPreset> &p_preset, const String p_path, const Vector<SharedObject> &p_shared_objects) { + String proj_name = ProjectSettings::get_singleton()->get_setting("application/config/name"); + if (proj_name.is_empty()) { + proj_name = "Godot Game"; + } + + // Service worker + const String dir = p_path.get_base_dir(); + const String name = p_path.get_file().get_basename(); + const ExportMode mode = (ExportMode)(int)p_preset->get("variant/export_type"); + HashMap<String, String> replaces; + replaces["@GODOT_VERSION@"] = String::num_int64(OS::get_singleton()->get_unix_time()) + "|" + String::num_int64(OS::get_singleton()->get_ticks_usec()); + replaces["@GODOT_NAME@"] = proj_name.substr(0, 16); + replaces["@GODOT_OFFLINE_PAGE@"] = name + ".offline.html"; + + // Files cached during worker install. + Array cache_files; + cache_files.push_back(name + ".html"); + cache_files.push_back(name + ".js"); + cache_files.push_back(name + ".offline.html"); + if (p_preset->get("html/export_icon")) { + cache_files.push_back(name + ".icon.png"); + cache_files.push_back(name + ".apple-touch-icon.png"); + } + if (mode & EXPORT_MODE_THREADS) { + cache_files.push_back(name + ".worker.js"); + cache_files.push_back(name + ".audio.worklet.js"); + } + replaces["@GODOT_CACHE@"] = Variant(cache_files).to_json_string(); + + // Heavy files that are cached on demand. + Array opt_cache_files; + opt_cache_files.push_back(name + ".wasm"); + opt_cache_files.push_back(name + ".pck"); + if (mode & EXPORT_MODE_GDNATIVE) { + opt_cache_files.push_back(name + ".side.wasm"); + for (int i = 0; i < p_shared_objects.size(); i++) { + opt_cache_files.push_back(p_shared_objects[i].path.get_file()); + } + } + replaces["@GODOT_OPT_CACHE@"] = Variant(opt_cache_files).to_json_string(); + + const String sw_path = dir.plus_file(name + ".service.worker.js"); + Vector<uint8_t> sw; + { + Ref<FileAccess> f = FileAccess::open(sw_path, FileAccess::READ); + if (f.is_null()) { + add_message(EXPORT_MESSAGE_ERROR, TTR("PWA"), vformat(TTR("Could not read file: \"%s\"."), sw_path)); + return ERR_FILE_CANT_READ; + } + sw.resize(f->get_length()); + f->get_buffer(sw.ptrw(), sw.size()); + } + _replace_strings(replaces, sw); + Error err = _write_or_error(sw.ptr(), sw.size(), dir.plus_file(name + ".service.worker.js")); + if (err != OK) { + return err; + } + + // Custom offline page + const String offline_page = p_preset->get("progressive_web_app/offline_page"); + if (!offline_page.is_empty()) { + Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); + const String offline_dest = dir.plus_file(name + ".offline.html"); + err = da->copy(ProjectSettings::get_singleton()->globalize_path(offline_page), offline_dest); + if (err != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("PWA"), vformat(TTR("Could not read file: \"%s\"."), offline_dest)); + return err; + } + } + + // Manifest + const char *modes[4] = { "fullscreen", "standalone", "minimal-ui", "browser" }; + const char *orientations[3] = { "any", "landscape", "portrait" }; + const int display = CLAMP(int(p_preset->get("progressive_web_app/display")), 0, 4); + const int orientation = CLAMP(int(p_preset->get("progressive_web_app/orientation")), 0, 3); + + Dictionary manifest; + manifest["name"] = proj_name; + manifest["start_url"] = "./" + name + ".html"; + manifest["display"] = String::utf8(modes[display]); + manifest["orientation"] = String::utf8(orientations[orientation]); + manifest["background_color"] = "#" + p_preset->get("progressive_web_app/background_color").operator Color().to_html(false); + + Array icons_arr; + const String icon144_path = p_preset->get("progressive_web_app/icon_144x144"); + err = _add_manifest_icon(p_path, icon144_path, 144, icons_arr); + if (err != OK) { + return err; + } + const String icon180_path = p_preset->get("progressive_web_app/icon_180x180"); + err = _add_manifest_icon(p_path, icon180_path, 180, icons_arr); + if (err != OK) { + return err; + } + const String icon512_path = p_preset->get("progressive_web_app/icon_512x512"); + err = _add_manifest_icon(p_path, icon512_path, 512, icons_arr); + if (err != OK) { + return err; + } + manifest["icons"] = icons_arr; + + CharString cs = Variant(manifest).to_json_string().utf8(); + err = _write_or_error((const uint8_t *)cs.get_data(), cs.length(), dir.plus_file(name + ".manifest.json")); + if (err != OK) { + return err; + } + + return OK; +} + +void EditorExportPlatformWeb::get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) const { + if (p_preset->get("vram_texture_compression/for_desktop")) { + r_features->push_back("s3tc"); + } + + if (p_preset->get("vram_texture_compression/for_mobile")) { + String driver = ProjectSettings::get_singleton()->get("rendering/driver/driver_name"); + if (driver == "opengl3") { + r_features->push_back("etc"); + } else if (driver == "vulkan") { + // FIXME: Review if this is correct. + r_features->push_back("etc2"); + } + } + ExportMode mode = (ExportMode)(int)p_preset->get("variant/export_type"); + if (mode & EXPORT_MODE_THREADS) { + r_features->push_back("threads"); + } + if (mode & EXPORT_MODE_GDNATIVE) { + r_features->push_back("wasm32"); + } +} + +void EditorExportPlatformWeb::get_export_options(List<ExportOption> *r_options) { + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/debug", PROPERTY_HINT_GLOBAL_FILE, "*.zip"), "")); + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/release", PROPERTY_HINT_GLOBAL_FILE, "*.zip"), "")); + + r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "variant/export_type", PROPERTY_HINT_ENUM, "Regular,Threads,GDNative"), 0)); // Export type. + r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "vram_texture_compression/for_desktop"), true)); // S3TC + r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "vram_texture_compression/for_mobile"), false)); // ETC or ETC2, depending on renderer + + r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "html/export_icon"), true)); + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "html/custom_html_shell", PROPERTY_HINT_FILE, "*.html"), "")); + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "html/head_include", PROPERTY_HINT_MULTILINE_TEXT), "")); + r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "html/canvas_resize_policy", PROPERTY_HINT_ENUM, "None,Project,Adaptive"), 2)); + r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "html/focus_canvas_on_start"), true)); + r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "html/experimental_virtual_keyboard"), false)); + r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "progressive_web_app/enabled"), false)); + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "progressive_web_app/offline_page", PROPERTY_HINT_FILE, "*.html"), "")); + r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "progressive_web_app/display", PROPERTY_HINT_ENUM, "Fullscreen,Standalone,Minimal UI,Browser"), 1)); + r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "progressive_web_app/orientation", PROPERTY_HINT_ENUM, "Any,Landscape,Portrait"), 0)); + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "progressive_web_app/icon_144x144", PROPERTY_HINT_FILE, "*.png,*.webp,*.svg"), "")); + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "progressive_web_app/icon_180x180", PROPERTY_HINT_FILE, "*.png,*.webp,*.svg"), "")); + r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "progressive_web_app/icon_512x512", PROPERTY_HINT_FILE, "*.png,*.webp,*.svg"), "")); + r_options->push_back(ExportOption(PropertyInfo(Variant::COLOR, "progressive_web_app/background_color", PROPERTY_HINT_COLOR_NO_ALPHA), Color())); +} + +String EditorExportPlatformWeb::get_name() const { + return "Web"; +} + +String EditorExportPlatformWeb::get_os_name() const { + return "Web"; +} + +Ref<Texture2D> EditorExportPlatformWeb::get_logo() const { + return logo; +} + +bool EditorExportPlatformWeb::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const { +#ifndef DEV_ENABLED + // We don't provide export templates for the Web platform currently as there + // is no suitable renderer to use with them. So we forbid exporting and tell + // users why. This is skipped in DEV_ENABLED so that contributors can still test + // the pipeline once we start having WebGL or WebGPU support. + r_error = "The Web platform is currently not supported in Godot 4.0, as there is no suitable renderer for it.\n"; + return false; +#endif + + String err; + bool valid = false; + ExportMode mode = (ExportMode)(int)p_preset->get("variant/export_type"); + + // Look for export templates (first official, and if defined custom templates). + bool dvalid = exists_export_template(_get_template_name(mode, true), &err); + bool rvalid = exists_export_template(_get_template_name(mode, false), &err); + + if (p_preset->get("custom_template/debug") != "") { + dvalid = FileAccess::exists(p_preset->get("custom_template/debug")); + if (!dvalid) { + err += TTR("Custom debug template not found.") + "\n"; + } + } + if (p_preset->get("custom_template/release") != "") { + rvalid = FileAccess::exists(p_preset->get("custom_template/release")); + if (!rvalid) { + err += TTR("Custom release template not found.") + "\n"; + } + } + + valid = dvalid || rvalid; + r_missing_templates = !valid; + + if (!err.is_empty()) { + r_error = err; + } + + return valid; +} + +bool EditorExportPlatformWeb::has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const { +#ifndef DEV_ENABLED + // We don't provide export templates for the Web platform currently as there + // is no suitable renderer to use with them. So we forbid exporting and tell + // users why. This is skipped in DEV_ENABLED so that contributors can still test + // the pipeline once we start having WebGL or WebGPU support. + r_error = "The Web platform is currently not supported in Godot 4.0, as there is no suitable renderer for it.\n"; + return false; +#endif + + String err; + bool valid = true; + + // Validate the project configuration. + + if (p_preset->get("vram_texture_compression/for_mobile")) { + String etc_error = test_etc2(); + if (!etc_error.is_empty()) { + valid = false; + err += etc_error; + } + } + + if (!err.is_empty()) { + r_error = err; + } + + return valid; +} + +List<String> EditorExportPlatformWeb::get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const { + List<String> list; + list.push_back("html"); + return list; +} + +Error EditorExportPlatformWeb::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) { + ExportNotifier notifier(*this, p_preset, p_debug, p_path, p_flags); + + const String custom_debug = p_preset->get("custom_template/debug"); + const String custom_release = p_preset->get("custom_template/release"); + const String custom_html = p_preset->get("html/custom_html_shell"); + const bool export_icon = p_preset->get("html/export_icon"); + const bool pwa = p_preset->get("progressive_web_app/enabled"); + + const String base_dir = p_path.get_base_dir(); + const String base_path = p_path.get_basename(); + const String base_name = p_path.get_file().get_basename(); + + // Find the correct template + String template_path = p_debug ? custom_debug : custom_release; + template_path = template_path.strip_edges(); + if (template_path.is_empty()) { + ExportMode mode = (ExportMode)(int)p_preset->get("variant/export_type"); + template_path = find_export_template(_get_template_name(mode, p_debug)); + } + + if (!DirAccess::exists(base_dir)) { + return ERR_FILE_BAD_PATH; + } + + if (!template_path.is_empty() && !FileAccess::exists(template_path)) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Prepare Templates"), vformat(TTR("Template file not found: \"%s\"."), template_path)); + return ERR_FILE_NOT_FOUND; + } + + // Export pck and shared objects + Vector<SharedObject> shared_objects; + String pck_path = base_path + ".pck"; + Error error = save_pack(p_preset, p_debug, pck_path, &shared_objects); + if (error != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not write file: \"%s\"."), pck_path)); + return error; + } + + { + Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); + for (int i = 0; i < shared_objects.size(); i++) { + String dst = base_dir.plus_file(shared_objects[i].path.get_file()); + error = da->copy(shared_objects[i].path, dst); + if (error != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not write file: \"%s\"."), shared_objects[i].path.get_file())); + return error; + } + } + } + + // Extract templates. + error = _extract_template(template_path, base_dir, base_name, pwa); + if (error) { + return error; + } + + // Parse generated file sizes (pck and wasm, to help show a meaningful loading bar). + Dictionary file_sizes; + Ref<FileAccess> f = FileAccess::open(pck_path, FileAccess::READ); + if (f.is_valid()) { + file_sizes[pck_path.get_file()] = (uint64_t)f->get_length(); + } + f = FileAccess::open(base_path + ".wasm", FileAccess::READ); + if (f.is_valid()) { + file_sizes[base_name + ".wasm"] = (uint64_t)f->get_length(); + } + + // Read the HTML shell file (custom or from template). + const String html_path = custom_html.is_empty() ? base_path + ".html" : custom_html; + Vector<uint8_t> html; + f = FileAccess::open(html_path, FileAccess::READ); + if (f.is_null()) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not read HTML shell: \"%s\"."), html_path)); + return ERR_FILE_CANT_READ; + } + html.resize(f->get_length()); + f->get_buffer(html.ptrw(), html.size()); + + // Generate HTML file with replaced strings. + _fix_html(html, p_preset, base_name, p_debug, p_flags, shared_objects, file_sizes); + Error err = _write_or_error(html.ptr(), html.size(), p_path); + if (err != OK) { + return err; + } + html.resize(0); + + // Export splash (why?) + Ref<Image> splash = _get_project_splash(); + const String splash_png_path = base_path + ".png"; + if (splash->save_png(splash_png_path) != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not write file: \"%s\"."), splash_png_path)); + return ERR_FILE_CANT_WRITE; + } + + // Save a favicon that can be accessed without waiting for the project to finish loading. + // This way, the favicon can be displayed immediately when loading the page. + if (export_icon) { + Ref<Image> favicon = _get_project_icon(); + const String favicon_png_path = base_path + ".icon.png"; + if (favicon->save_png(favicon_png_path) != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not write file: \"%s\"."), favicon_png_path)); + return ERR_FILE_CANT_WRITE; + } + favicon->resize(180, 180); + const String apple_icon_png_path = base_path + ".apple-touch-icon.png"; + if (favicon->save_png(apple_icon_png_path) != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not write file: \"%s\"."), apple_icon_png_path)); + return ERR_FILE_CANT_WRITE; + } + } + + // Generate the PWA worker and manifest + if (pwa) { + err = _build_pwa(p_preset, p_path, shared_objects); + if (err != OK) { + return err; + } + } + + return OK; +} + +bool EditorExportPlatformWeb::poll_export() { + Ref<EditorExportPreset> preset; + + for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) { + Ref<EditorExportPreset> ep = EditorExport::get_singleton()->get_export_preset(i); + if (ep->is_runnable() && ep->get_platform() == this) { + preset = ep; + break; + } + } + + int prev = menu_options; + menu_options = preset.is_valid(); + if (server->is_listening()) { + if (menu_options == 0) { + MutexLock lock(server_lock); + server->stop(); + } else { + menu_options += 1; + } + } + return menu_options != prev; +} + +Ref<ImageTexture> EditorExportPlatformWeb::get_option_icon(int p_index) const { + return p_index == 1 ? stop_icon : EditorExportPlatform::get_option_icon(p_index); +} + +int EditorExportPlatformWeb::get_options_count() const { + return menu_options; +} + +Error EditorExportPlatformWeb::run(const Ref<EditorExportPreset> &p_preset, int p_option, int p_debug_flags) { + if (p_option == 1) { + MutexLock lock(server_lock); + server->stop(); + return OK; + } + + const String dest = EditorPaths::get_singleton()->get_cache_dir().plus_file("web"); + Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); + if (!da->dir_exists(dest)) { + Error err = da->make_dir_recursive(dest); + if (err != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Run"), vformat(TTR("Could not create HTTP server directory: %s."), dest)); + return err; + } + } + + const String basepath = dest.plus_file("tmp_js_export"); + Error err = export_project(p_preset, true, basepath + ".html", p_debug_flags); + if (err != OK) { + // Export generates several files, clean them up on failure. + DirAccess::remove_file_or_error(basepath + ".html"); + DirAccess::remove_file_or_error(basepath + ".offline.html"); + DirAccess::remove_file_or_error(basepath + ".js"); + DirAccess::remove_file_or_error(basepath + ".worker.js"); + DirAccess::remove_file_or_error(basepath + ".audio.worklet.js"); + DirAccess::remove_file_or_error(basepath + ".service.worker.js"); + DirAccess::remove_file_or_error(basepath + ".pck"); + DirAccess::remove_file_or_error(basepath + ".png"); + DirAccess::remove_file_or_error(basepath + ".side.wasm"); + DirAccess::remove_file_or_error(basepath + ".wasm"); + DirAccess::remove_file_or_error(basepath + ".icon.png"); + DirAccess::remove_file_or_error(basepath + ".apple-touch-icon.png"); + return err; + } + + const uint16_t bind_port = EDITOR_GET("export/web/http_port"); + // Resolve host if needed. + const String bind_host = EDITOR_GET("export/web/http_host"); + IPAddress bind_ip; + if (bind_host.is_valid_ip_address()) { + bind_ip = bind_host; + } else { + bind_ip = IP::get_singleton()->resolve_hostname(bind_host); + } + ERR_FAIL_COND_V_MSG(!bind_ip.is_valid(), ERR_INVALID_PARAMETER, "Invalid editor setting 'export/web/http_host': '" + bind_host + "'. Try using '127.0.0.1'."); + + const bool use_ssl = EDITOR_GET("export/web/use_ssl"); + const String ssl_key = EDITOR_GET("export/web/ssl_key"); + const String ssl_cert = EDITOR_GET("export/web/ssl_certificate"); + + // Restart server. + { + MutexLock lock(server_lock); + + server->stop(); + err = server->listen(bind_port, bind_ip, use_ssl, ssl_key, ssl_cert); + } + if (err != OK) { + add_message(EXPORT_MESSAGE_ERROR, TTR("Run"), vformat(TTR("Error starting HTTP server: %d."), err)); + return err; + } + + OS::get_singleton()->shell_open(String((use_ssl ? "https://" : "http://") + bind_host + ":" + itos(bind_port) + "/tmp_js_export.html")); + // FIXME: Find out how to clean up export files after running the successfully + // exported game. Might not be trivial. + return OK; +} + +Ref<Texture2D> EditorExportPlatformWeb::get_run_icon() const { + return run_icon; +} + +void EditorExportPlatformWeb::_server_thread_poll(void *data) { + EditorExportPlatformWeb *ej = static_cast<EditorExportPlatformWeb *>(data); + while (!ej->server_quit) { + OS::get_singleton()->delay_usec(6900); + { + MutexLock lock(ej->server_lock); + ej->server->poll(); + } + } +} + +EditorExportPlatformWeb::EditorExportPlatformWeb() { + server.instantiate(); + server_thread.start(_server_thread_poll, this); + + logo = ImageTexture::create_from_image(memnew(Image(_web_logo))); + run_icon = ImageTexture::create_from_image(memnew(Image(_web_run_icon))); + + Ref<Theme> theme = EditorNode::get_singleton()->get_editor_theme(); + if (theme.is_valid()) { + stop_icon = theme->get_icon(SNAME("Stop"), SNAME("EditorIcons")); + } else { + stop_icon.instantiate(); + } +} + +EditorExportPlatformWeb::~EditorExportPlatformWeb() { + server->stop(); + server_quit = true; + server_thread.wait_to_finish(); +} diff --git a/platform/web/export/export_plugin.h b/platform/web/export/export_plugin.h new file mode 100644 index 0000000000..9c1bf2a5ef --- /dev/null +++ b/platform/web/export/export_plugin.h @@ -0,0 +1,148 @@ +/*************************************************************************/ +/* export_plugin.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef WEB_EXPORT_PLUGIN_H +#define WEB_EXPORT_PLUGIN_H + +#include "core/config/project_settings.h" +#include "core/io/image_loader.h" +#include "core/io/stream_peer_ssl.h" +#include "core/io/tcp_server.h" +#include "core/io/zip_io.h" +#include "editor/editor_node.h" +#include "editor/export/editor_export_platform.h" +#include "main/splash.gen.h" +#include "platform/web/logo.gen.h" +#include "platform/web/run_icon.gen.h" + +#include "editor_http_server.h" + +class EditorExportPlatformWeb : public EditorExportPlatform { + GDCLASS(EditorExportPlatformWeb, EditorExportPlatform); + + Ref<ImageTexture> logo; + Ref<ImageTexture> run_icon; + Ref<ImageTexture> stop_icon; + int menu_options = 0; + + Ref<EditorHTTPServer> server; + bool server_quit = false; + Mutex server_lock; + Thread server_thread; + + enum ExportMode { + EXPORT_MODE_NORMAL = 0, + EXPORT_MODE_THREADS = 1, + EXPORT_MODE_GDNATIVE = 2, + EXPORT_MODE_THREADS_GDNATIVE = 3, + }; + + String _get_template_name(ExportMode p_mode, bool p_debug) const { + String name = "webassembly"; + if (p_mode & EXPORT_MODE_GDNATIVE) { + name += "_gdnative"; + } + if (p_mode & EXPORT_MODE_THREADS) { + name += "_threads"; + } + if (p_debug) { + name += "_debug.zip"; + } else { + name += "_release.zip"; + } + return name; + } + + Ref<Image> _get_project_icon() const { + Ref<Image> icon; + icon.instantiate(); + const String icon_path = String(GLOBAL_GET("application/config/icon")).strip_edges(); + if (icon_path.is_empty() || ImageLoader::load_image(icon_path, icon) != OK) { + return EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("DefaultProjectIcon"), SNAME("EditorIcons"))->get_image(); + } + return icon; + } + + Ref<Image> _get_project_splash() const { + Ref<Image> splash; + splash.instantiate(); + const String splash_path = String(GLOBAL_GET("application/boot_splash/image")).strip_edges(); + if (splash_path.is_empty() || ImageLoader::load_image(splash_path, splash) != OK) { + return Ref<Image>(memnew(Image(boot_splash_png))); + } + return splash; + } + + Error _extract_template(const String &p_template, const String &p_dir, const String &p_name, bool pwa); + void _replace_strings(HashMap<String, String> p_replaces, Vector<uint8_t> &r_template); + void _fix_html(Vector<uint8_t> &p_html, const Ref<EditorExportPreset> &p_preset, const String &p_name, bool p_debug, int p_flags, const Vector<SharedObject> p_shared_objects, const Dictionary &p_file_sizes); + Error _add_manifest_icon(const String &p_path, const String &p_icon, int p_size, Array &r_arr); + Error _build_pwa(const Ref<EditorExportPreset> &p_preset, const String p_path, const Vector<SharedObject> &p_shared_objects); + Error _write_or_error(const uint8_t *p_content, int p_len, String p_path); + + static void _server_thread_poll(void *data); + +public: + virtual void get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) const override; + + virtual void get_export_options(List<ExportOption> *r_options) override; + + virtual String get_name() const override; + virtual String get_os_name() const override; + virtual Ref<Texture2D> get_logo() const override; + + virtual bool has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const override; + virtual bool has_valid_project_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error) const override; + virtual List<String> get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const override; + virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0) override; + + virtual bool poll_export() override; + virtual int get_options_count() const override; + virtual String get_option_label(int p_index) const override { return p_index ? TTR("Stop HTTP Server") : TTR("Run in Browser"); } + virtual String get_option_tooltip(int p_index) const override { return p_index ? TTR("Stop HTTP Server") : TTR("Run exported HTML in the system's default browser."); } + virtual Ref<ImageTexture> get_option_icon(int p_index) const override; + virtual Error run(const Ref<EditorExportPreset> &p_preset, int p_option, int p_debug_flags) override; + virtual Ref<Texture2D> get_run_icon() const override; + + virtual void get_platform_features(List<String> *r_features) const override { + r_features->push_back("web"); + r_features->push_back(get_os_name().to_lower()); + } + + virtual void resolve_platform_feature_priorities(const Ref<EditorExportPreset> &p_preset, HashSet<String> &p_features) override { + } + + String get_debug_protocol() const override { return "ws://"; } + + EditorExportPlatformWeb(); + ~EditorExportPlatformWeb(); +}; + +#endif // WEB_EXPORT_PLUGIN_H diff --git a/platform/web/godot_audio.h b/platform/web/godot_audio.h new file mode 100644 index 0000000000..3855b7301e --- /dev/null +++ b/platform/web/godot_audio.h @@ -0,0 +1,66 @@ +/*************************************************************************/ +/* godot_audio.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef GODOT_AUDIO_H +#define GODOT_AUDIO_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "stddef.h" + +extern int godot_audio_is_available(); +extern int godot_audio_has_worklet(); +extern int godot_audio_has_script_processor(); +extern int godot_audio_init(int *p_mix_rate, int p_latency, void (*_state_cb)(int), void (*_latency_cb)(float)); +extern void godot_audio_resume(); + +extern int godot_audio_capture_start(); +extern void godot_audio_capture_stop(); + +// Worklet +typedef int32_t GodotAudioState[4]; +extern int godot_audio_worklet_create(int p_channels); +extern void godot_audio_worklet_start(float *p_in_buf, int p_in_size, float *p_out_buf, int p_out_size, GodotAudioState p_state); +extern void godot_audio_worklet_start_no_threads(float *p_out_buf, int p_out_size, void (*p_out_cb)(int p_pos, int p_frames), float *p_in_buf, int p_in_size, void (*p_in_cb)(int p_pos, int p_frames)); +extern int godot_audio_worklet_state_add(GodotAudioState p_state, int p_idx, int p_value); +extern int godot_audio_worklet_state_get(GodotAudioState p_state, int p_idx); +extern int godot_audio_worklet_state_wait(int32_t *p_state, int p_idx, int32_t p_expected, int p_timeout); + +// Script +extern int godot_audio_script_create(int *p_buffer_size, int p_channels); +extern void godot_audio_script_start(float *p_in_buf, int p_in_size, float *p_out_buf, int p_out_size, void (*p_cb)()); + +#ifdef __cplusplus +} +#endif + +#endif // GODOT_AUDIO_H diff --git a/platform/web/godot_js.h b/platform/web/godot_js.h new file mode 100644 index 0000000000..a323f2d157 --- /dev/null +++ b/platform/web/godot_js.h @@ -0,0 +1,131 @@ +/*************************************************************************/ +/* godot_js.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef GODOT_JS_H +#define GODOT_JS_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "stddef.h" + +// Config +extern void godot_js_config_locale_get(char *p_ptr, int p_ptr_max); +extern void godot_js_config_canvas_id_get(char *p_ptr, int p_ptr_max); + +// OS +extern void godot_js_os_finish_async(void (*p_callback)()); +extern void godot_js_os_request_quit_cb(void (*p_callback)()); +extern int godot_js_os_fs_is_persistent(); +extern void godot_js_os_fs_sync(void (*p_callback)()); +extern int godot_js_os_execute(const char *p_json); +extern void godot_js_os_shell_open(const char *p_uri); +extern int godot_js_os_hw_concurrency_get(); +extern int godot_js_pwa_cb(void (*p_callback)()); +extern int godot_js_pwa_update(); + +// Input +extern void godot_js_input_mouse_button_cb(int (*p_callback)(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers)); +extern void godot_js_input_mouse_move_cb(void (*p_callback)(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers)); +extern void godot_js_input_mouse_wheel_cb(int (*p_callback)(double p_delta_x, double p_delta_y)); +extern void godot_js_input_touch_cb(void (*p_callback)(int p_type, int p_count), uint32_t *r_identifiers, double *r_coords); +extern void godot_js_input_key_cb(void (*p_callback)(int p_type, int p_repeat, int p_modifiers), char r_code[32], char r_key[32]); +extern void godot_js_input_vibrate_handheld(int p_duration_ms); + +// Input gamepad +extern void godot_js_input_gamepad_cb(void (*p_on_change)(int p_index, int p_connected, const char *p_id, const char *p_guid)); +extern int godot_js_input_gamepad_sample(); +extern int godot_js_input_gamepad_sample_count(); +extern int godot_js_input_gamepad_sample_get(int p_idx, float r_btns[16], int32_t *r_btns_num, float r_axes[10], int32_t *r_axes_num, int32_t *r_standard); +extern void godot_js_input_paste_cb(void (*p_callback)(const char *p_text)); +extern void godot_js_input_drop_files_cb(void (*p_callback)(char **p_filev, int p_filec)); + +// TTS +extern int godot_js_tts_is_speaking(); +extern int godot_js_tts_is_paused(); +extern int godot_js_tts_get_voices(void (*p_callback)(int p_size, const char **p_voices)); +extern void godot_js_tts_speak(const char *p_text, const char *p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, void (*p_callback)(int p_event, int p_id, int p_pos)); +extern void godot_js_tts_pause(); +extern void godot_js_tts_resume(); +extern void godot_js_tts_stop(); + +// Display +extern int godot_js_display_screen_dpi_get(); +extern double godot_js_display_pixel_ratio_get(); +extern void godot_js_display_alert(const char *p_text); +extern int godot_js_display_touchscreen_is_available(); +extern int godot_js_display_is_swap_ok_cancel(); +extern void godot_js_display_setup_canvas(int p_width, int p_height, int p_fullscreen, int p_hidpi); + +// Display canvas +extern void godot_js_display_canvas_focus(); +extern int godot_js_display_canvas_is_focused(); + +// Display window +extern void godot_js_display_desired_size_set(int p_width, int p_height); +extern int godot_js_display_size_update(); +extern void godot_js_display_window_size_get(int32_t *p_x, int32_t *p_y); +extern void godot_js_display_screen_size_get(int32_t *p_x, int32_t *p_y); +extern int godot_js_display_fullscreen_request(); +extern int godot_js_display_fullscreen_exit(); +extern void godot_js_display_window_title_set(const char *p_text); +extern void godot_js_display_window_icon_set(const uint8_t *p_ptr, int p_len); +extern int godot_js_display_has_webgl(int p_version); + +// Display clipboard +extern int godot_js_display_clipboard_set(const char *p_text); +extern int godot_js_display_clipboard_get(void (*p_callback)(const char *p_text)); + +// Display cursor +extern void godot_js_display_cursor_set_shape(const char *p_cursor); +extern int godot_js_display_cursor_is_hidden(); +extern void godot_js_display_cursor_set_custom_shape(const char *p_shape, const uint8_t *p_ptr, int p_len, int p_hotspot_x, int p_hotspot_y); +extern void godot_js_display_cursor_set_visible(int p_visible); +extern void godot_js_display_cursor_lock_set(int p_lock); +extern int godot_js_display_cursor_is_locked(); + +// Display listeners +extern void godot_js_display_fullscreen_cb(void (*p_callback)(int p_fullscreen)); +extern void godot_js_display_window_blur_cb(void (*p_callback)()); +extern void godot_js_display_notification_cb(void (*p_callback)(int p_notification), int p_enter, int p_exit, int p_in, int p_out); + +// Display Virtual Keyboard +extern int godot_js_display_vk_available(); +extern int godot_js_display_tts_available(); +extern void godot_js_display_vk_cb(void (*p_input)(const char *p_text, int p_cursor)); +extern void godot_js_display_vk_show(const char *p_text, int p_type, int p_start, int p_end); +extern void godot_js_display_vk_hide(); + +#ifdef __cplusplus +} +#endif + +#endif // GODOT_JS_H diff --git a/platform/web/godot_webgl2.h b/platform/web/godot_webgl2.h new file mode 100644 index 0000000000..968b70f84b --- /dev/null +++ b/platform/web/godot_webgl2.h @@ -0,0 +1,37 @@ +/*************************************************************************/ +/* godot_webgl2.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef GODOT_WEBGL2_H +#define GODOT_WEBGL2_H + +#include "GLES3/gl3.h" +#include "webgl/webgl2.h" + +#endif // GODOT_WEBGL2_H diff --git a/platform/web/http_client_web.cpp b/platform/web/http_client_web.cpp new file mode 100644 index 0000000000..bfdea95f4a --- /dev/null +++ b/platform/web/http_client_web.cpp @@ -0,0 +1,272 @@ +/*************************************************************************/ +/* http_client_web.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "http_client_web.h" + +void HTTPClientWeb::_parse_headers(int p_len, const char **p_headers, void *p_ref) { + HTTPClientWeb *client = static_cast<HTTPClientWeb *>(p_ref); + for (int i = 0; i < p_len; i++) { + client->response_headers.push_back(String::utf8(p_headers[i])); + } +} + +Error HTTPClientWeb::connect_to_host(const String &p_host, int p_port, bool p_ssl, bool p_verify_host) { + close(); + if (p_ssl && !p_verify_host) { + WARN_PRINT("Disabling HTTPClientWeb's host verification is not supported for the Web platform, host will be verified"); + } + + port = p_port; + use_tls = p_ssl; + + host = p_host; + + String host_lower = host.to_lower(); + if (host_lower.begins_with("http://")) { + host = host.substr(7, host.length() - 7); + } else if (host_lower.begins_with("https://")) { + use_tls = true; + host = host.substr(8, host.length() - 8); + } + + ERR_FAIL_COND_V(host.length() < HOST_MIN_LEN, ERR_INVALID_PARAMETER); + + if (port < 0) { + if (use_tls) { + port = PORT_HTTPS; + } else { + port = PORT_HTTP; + } + } + + status = host.is_valid_ip_address() ? STATUS_CONNECTING : STATUS_RESOLVING; + + return OK; +} + +void HTTPClientWeb::set_connection(const Ref<StreamPeer> &p_connection) { + ERR_FAIL_MSG("Accessing an HTTPClientWeb's StreamPeer is not supported for the Web platform."); +} + +Ref<StreamPeer> HTTPClientWeb::get_connection() const { + ERR_FAIL_V_MSG(Ref<RefCounted>(), "Accessing an HTTPClientWeb's StreamPeer is not supported for the Web platform."); +} + +Error HTTPClientWeb::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const uint8_t *p_body, int p_body_len) { + ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER); + ERR_FAIL_COND_V_MSG(p_method == METHOD_TRACE || p_method == METHOD_CONNECT, ERR_UNAVAILABLE, "HTTP methods TRACE and CONNECT are not supported for the Web platform."); + ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER); + ERR_FAIL_COND_V(host.is_empty(), ERR_UNCONFIGURED); + ERR_FAIL_COND_V(port < 0, ERR_UNCONFIGURED); + ERR_FAIL_COND_V(!p_url.begins_with("/"), ERR_INVALID_PARAMETER); + + Error err = verify_headers(p_headers); + if (err) { + return err; + } + + String url = (use_tls ? "https://" : "http://") + host + ":" + itos(port) + p_url; + Vector<CharString> keeper; + Vector<const char *> c_strings; + for (int i = 0; i < p_headers.size(); i++) { + keeper.push_back(p_headers[i].utf8()); + c_strings.push_back(keeper[i].get_data()); + } + if (js_id) { + godot_js_fetch_free(js_id); + } + js_id = godot_js_fetch_create(_methods[p_method], url.utf8().get_data(), c_strings.ptrw(), c_strings.size(), p_body, p_body_len); + status = STATUS_REQUESTING; + return OK; +} + +void HTTPClientWeb::close() { + host = ""; + port = -1; + use_tls = false; + status = STATUS_DISCONNECTED; + polled_response_code = 0; + response_headers.resize(0); + response_buffer.resize(0); + if (js_id) { + godot_js_fetch_free(js_id); + js_id = 0; + } +} + +HTTPClientWeb::Status HTTPClientWeb::get_status() const { + return status; +} + +bool HTTPClientWeb::has_response() const { + return response_headers.size() > 0; +} + +bool HTTPClientWeb::is_response_chunked() const { + return godot_js_fetch_is_chunked(js_id); +} + +int HTTPClientWeb::get_response_code() const { + return polled_response_code; +} + +Error HTTPClientWeb::get_response_headers(List<String> *r_response) { + if (!response_headers.size()) { + return ERR_INVALID_PARAMETER; + } + for (int i = 0; i < response_headers.size(); i++) { + r_response->push_back(response_headers[i]); + } + response_headers.clear(); + return OK; +} + +int64_t HTTPClientWeb::get_response_body_length() const { + return godot_js_fetch_body_length_get(js_id); +} + +PackedByteArray HTTPClientWeb::read_response_body_chunk() { + ERR_FAIL_COND_V(status != STATUS_BODY, PackedByteArray()); + + if (response_buffer.size() != read_limit) { + response_buffer.resize(read_limit); + } + int read = godot_js_fetch_read_chunk(js_id, response_buffer.ptrw(), read_limit); + + // Check if the stream is over. + godot_js_fetch_state_t state = godot_js_fetch_state_get(js_id); + if (state == GODOT_JS_FETCH_STATE_DONE) { + status = STATUS_DISCONNECTED; + } else if (state != GODOT_JS_FETCH_STATE_BODY) { + status = STATUS_CONNECTION_ERROR; + } + + PackedByteArray chunk; + if (!read) { + return chunk; + } + chunk.resize(read); + memcpy(chunk.ptrw(), response_buffer.ptr(), read); + return chunk; +} + +void HTTPClientWeb::set_blocking_mode(bool p_enable) { + ERR_FAIL_COND_MSG(p_enable, "HTTPClientWeb blocking mode is not supported for the Web platform."); +} + +bool HTTPClientWeb::is_blocking_mode_enabled() const { + return false; +} + +void HTTPClientWeb::set_read_chunk_size(int p_size) { + read_limit = p_size; +} + +int HTTPClientWeb::get_read_chunk_size() const { + return read_limit; +} + +Error HTTPClientWeb::poll() { + switch (status) { + case STATUS_DISCONNECTED: + return ERR_UNCONFIGURED; + + case STATUS_RESOLVING: + status = STATUS_CONNECTING; + return OK; + + case STATUS_CONNECTING: + status = STATUS_CONNECTED; + return OK; + + case STATUS_CONNECTED: + return OK; + + case STATUS_BODY: { + godot_js_fetch_state_t state = godot_js_fetch_state_get(js_id); + if (state == GODOT_JS_FETCH_STATE_DONE) { + status = STATUS_DISCONNECTED; + } else if (state != GODOT_JS_FETCH_STATE_BODY) { + status = STATUS_CONNECTION_ERROR; + return ERR_CONNECTION_ERROR; + } + return OK; + } + + case STATUS_CONNECTION_ERROR: + return ERR_CONNECTION_ERROR; + + case STATUS_REQUESTING: { +#ifdef DEBUG_ENABLED + // forcing synchronous requests is not possible on the web + if (last_polling_frame == Engine::get_singleton()->get_process_frames()) { + WARN_PRINT("HTTPClientWeb polled multiple times in one frame, " + "but request cannot progress more than once per " + "frame on the Web platform."); + } + last_polling_frame = Engine::get_singleton()->get_process_frames(); +#endif + + polled_response_code = godot_js_fetch_http_status_get(js_id); + godot_js_fetch_state_t js_state = godot_js_fetch_state_get(js_id); + if (js_state == GODOT_JS_FETCH_STATE_REQUESTING) { + return OK; + } else if (js_state == GODOT_JS_FETCH_STATE_ERROR) { + // Fetch is in error state. + status = STATUS_CONNECTION_ERROR; + return ERR_CONNECTION_ERROR; + } + if (godot_js_fetch_read_headers(js_id, &_parse_headers, this)) { + // Failed to parse headers. + status = STATUS_CONNECTION_ERROR; + return ERR_CONNECTION_ERROR; + } + status = STATUS_BODY; + break; + } + + default: + ERR_FAIL_V(ERR_BUG); + } + return OK; +} + +HTTPClient *HTTPClientWeb::_create_func() { + return memnew(HTTPClientWeb); +} + +HTTPClient *(*HTTPClient::_create)() = HTTPClientWeb::_create_func; + +HTTPClientWeb::HTTPClientWeb() { +} + +HTTPClientWeb::~HTTPClientWeb() { + close(); +} diff --git a/platform/web/http_client_web.h b/platform/web/http_client_web.h new file mode 100644 index 0000000000..ff776d72af --- /dev/null +++ b/platform/web/http_client_web.h @@ -0,0 +1,109 @@ +/*************************************************************************/ +/* http_client_web.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef HTTP_CLIENT_WEB_H +#define HTTP_CLIENT_WEB_H + +#include "core/io/http_client.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#include "stddef.h" + +typedef enum { + GODOT_JS_FETCH_STATE_REQUESTING = 0, + GODOT_JS_FETCH_STATE_BODY = 1, + GODOT_JS_FETCH_STATE_DONE = 2, + GODOT_JS_FETCH_STATE_ERROR = -1, +} godot_js_fetch_state_t; + +extern int godot_js_fetch_create(const char *p_method, const char *p_url, const char **p_headers, int p_headers_len, const uint8_t *p_body, int p_body_len); +extern int godot_js_fetch_read_headers(int p_id, void (*parse_callback)(int p_size, const char **p_headers, void *p_ref), void *p_ref); +extern int godot_js_fetch_read_chunk(int p_id, uint8_t *p_buf, int p_buf_size); +extern void godot_js_fetch_free(int p_id); +extern godot_js_fetch_state_t godot_js_fetch_state_get(int p_id); +extern int godot_js_fetch_body_length_get(int p_id); +extern int godot_js_fetch_http_status_get(int p_id); +extern int godot_js_fetch_is_chunked(int p_id); + +#ifdef __cplusplus +} +#endif + +class HTTPClientWeb : public HTTPClient { +private: + int js_id = 0; + Status status = STATUS_DISCONNECTED; + + // 64 KiB by default (favors fast download speeds at the cost of memory usage). + int read_limit = 65536; + + String host; + int port = -1; + bool use_tls = false; + + int polled_response_code = 0; + Vector<String> response_headers; + Vector<uint8_t> response_buffer; + +#ifdef DEBUG_ENABLED + uint64_t last_polling_frame = 0; +#endif + + static void _parse_headers(int p_len, const char **p_headers, void *p_ref); + +public: + static HTTPClient *_create_func(); + + Error request(Method p_method, const String &p_url, const Vector<String> &p_headers, const uint8_t *p_body, int p_body_size) override; + + Error connect_to_host(const String &p_host, int p_port = -1, bool p_ssl = false, bool p_verify_host = true) override; + void set_connection(const Ref<StreamPeer> &p_connection) override; + Ref<StreamPeer> get_connection() const override; + void close() override; + Status get_status() const override; + bool has_response() const override; + bool is_response_chunked() const override; + int get_response_code() const override; + Error get_response_headers(List<String> *r_response) override; + int64_t get_response_body_length() const override; + PackedByteArray read_response_body_chunk() override; + void set_blocking_mode(bool p_enable) override; + bool is_blocking_mode_enabled() const override; + void set_read_chunk_size(int p_size) override; + int get_read_chunk_size() const override; + Error poll() override; + HTTPClientWeb(); + ~HTTPClientWeb(); +}; + +#endif // HTTP_CLIENT_WEB_H diff --git a/platform/web/javascript_singleton.cpp b/platform/web/javascript_singleton.cpp new file mode 100644 index 0000000000..36ab4db452 --- /dev/null +++ b/platform/web/javascript_singleton.cpp @@ -0,0 +1,366 @@ +/*************************************************************************/ +/* javascript_singleton.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "api/javascript_singleton.h" + +#include "emscripten.h" +#include "os_web.h" + +extern "C" { +extern void godot_js_os_download_buffer(const uint8_t *p_buf, int p_buf_size, const char *p_name, const char *p_mime); +} + +#ifdef JAVASCRIPT_EVAL_ENABLED + +extern "C" { +typedef union { + int64_t i; + double r; + void *p; +} godot_js_wrapper_ex; + +typedef int (*GodotJSWrapperVariant2JSCallback)(const void **p_args, int p_pos, godot_js_wrapper_ex *r_val, void **p_lock); +typedef void (*GodotJSWrapperFreeLockCallback)(void **p_lock, int p_type); +extern int godot_js_wrapper_interface_get(const char *p_name); +extern int godot_js_wrapper_object_call(int p_id, const char *p_method, void **p_args, int p_argc, GodotJSWrapperVariant2JSCallback p_variant2js_callback, godot_js_wrapper_ex *p_cb_rval, void **p_lock, GodotJSWrapperFreeLockCallback p_lock_callback); +extern int godot_js_wrapper_object_get(int p_id, godot_js_wrapper_ex *p_val, const char *p_prop); +extern int godot_js_wrapper_object_getvar(int p_id, int p_type, godot_js_wrapper_ex *p_val); +extern int godot_js_wrapper_object_setvar(int p_id, int p_key_type, godot_js_wrapper_ex *p_key_ex, int p_val_type, godot_js_wrapper_ex *p_val_ex); +extern void godot_js_wrapper_object_set(int p_id, const char *p_name, int p_type, godot_js_wrapper_ex *p_val); +extern void godot_js_wrapper_object_unref(int p_id); +extern int godot_js_wrapper_create_cb(void *p_ref, void (*p_callback)(void *p_ref, int p_arg_id, int p_argc)); +extern void godot_js_wrapper_object_set_cb_ret(int p_type, godot_js_wrapper_ex *p_val); +extern int godot_js_wrapper_create_object(const char *p_method, void **p_args, int p_argc, GodotJSWrapperVariant2JSCallback p_variant2js_callback, godot_js_wrapper_ex *p_cb_rval, void **p_lock, GodotJSWrapperFreeLockCallback p_lock_callback); +}; + +class JavaScriptObjectImpl : public JavaScriptObject { +private: + friend class JavaScript; + + int _js_id = 0; + Callable _callable; + + static int _variant2js(const void **p_args, int p_pos, godot_js_wrapper_ex *r_val, void **p_lock); + static void _free_lock(void **p_lock, int p_type); + static Variant _js2variant(int p_type, godot_js_wrapper_ex *p_val); + static void *_alloc_variants(int p_size); + static void _callback(void *p_ref, int p_arg_id, int p_argc); + +protected: + bool _set(const StringName &p_name, const Variant &p_value) override; + bool _get(const StringName &p_name, Variant &r_ret) const override; + void _get_property_list(List<PropertyInfo> *p_list) const override; + +public: + Variant getvar(const Variant &p_key, bool *r_valid = nullptr) const override; + void setvar(const Variant &p_key, const Variant &p_value, bool *r_valid = nullptr) override; + Variant callp(const StringName &p_method, const Variant **p_args, int p_argc, Callable::CallError &r_error) override; + JavaScriptObjectImpl() {} + JavaScriptObjectImpl(int p_id) { _js_id = p_id; } + ~JavaScriptObjectImpl() { + if (_js_id) { + godot_js_wrapper_object_unref(_js_id); + } + } +}; + +bool JavaScriptObjectImpl::_set(const StringName &p_name, const Variant &p_value) { + ERR_FAIL_COND_V_MSG(!_js_id, false, "Invalid JS instance"); + const String name = p_name; + godot_js_wrapper_ex exchange; + void *lock = nullptr; + const Variant *v = &p_value; + int type = _variant2js((const void **)&v, 0, &exchange, &lock); + godot_js_wrapper_object_set(_js_id, name.utf8().get_data(), type, &exchange); + if (lock) { + _free_lock(&lock, type); + } + return true; +} + +bool JavaScriptObjectImpl::_get(const StringName &p_name, Variant &r_ret) const { + ERR_FAIL_COND_V_MSG(!_js_id, false, "Invalid JS instance"); + const String name = p_name; + godot_js_wrapper_ex exchange; + int type = godot_js_wrapper_object_get(_js_id, &exchange, name.utf8().get_data()); + r_ret = _js2variant(type, &exchange); + return true; +} + +Variant JavaScriptObjectImpl::getvar(const Variant &p_key, bool *r_valid) const { + if (r_valid) { + *r_valid = false; + } + godot_js_wrapper_ex exchange; + void *lock = nullptr; + const Variant *v = &p_key; + int prop_type = _variant2js((const void **)&v, 0, &exchange, &lock); + int type = godot_js_wrapper_object_getvar(_js_id, prop_type, &exchange); + if (lock) { + _free_lock(&lock, prop_type); + } + if (type < 0) { + return Variant(); + } + if (r_valid) { + *r_valid = true; + } + return _js2variant(type, &exchange); +} + +void JavaScriptObjectImpl::setvar(const Variant &p_key, const Variant &p_value, bool *r_valid) { + if (r_valid) { + *r_valid = false; + } + godot_js_wrapper_ex kex, vex; + void *klock = nullptr; + void *vlock = nullptr; + const Variant *kv = &p_key; + const Variant *vv = &p_value; + int ktype = _variant2js((const void **)&kv, 0, &kex, &klock); + int vtype = _variant2js((const void **)&vv, 0, &vex, &vlock); + int ret = godot_js_wrapper_object_setvar(_js_id, ktype, &kex, vtype, &vex); + if (klock) { + _free_lock(&klock, ktype); + } + if (vlock) { + _free_lock(&vlock, vtype); + } + if (ret == 0 && r_valid) { + *r_valid = true; + } +} + +void JavaScriptObjectImpl::_get_property_list(List<PropertyInfo> *p_list) const { +} + +void JavaScriptObjectImpl::_free_lock(void **p_lock, int p_type) { + ERR_FAIL_COND_MSG(*p_lock == nullptr, "No lock to free!"); + const Variant::Type type = (Variant::Type)p_type; + switch (type) { + case Variant::STRING: { + CharString *cs = (CharString *)(*p_lock); + memdelete(cs); + *p_lock = nullptr; + } break; + default: + ERR_FAIL_MSG("Unknown lock type to free. Likely a bug."); + } +} + +Variant JavaScriptObjectImpl::_js2variant(int p_type, godot_js_wrapper_ex *p_val) { + Variant::Type type = (Variant::Type)p_type; + switch (type) { + case Variant::BOOL: + return Variant((bool)p_val->i); + case Variant::INT: + return p_val->i; + case Variant::FLOAT: + return p_val->r; + case Variant::STRING: { + String out = String::utf8((const char *)p_val->p); + free(p_val->p); + return out; + } + case Variant::OBJECT: { + return memnew(JavaScriptObjectImpl(p_val->i)); + } + default: + return Variant(); + } +} + +int JavaScriptObjectImpl::_variant2js(const void **p_args, int p_pos, godot_js_wrapper_ex *r_val, void **p_lock) { + const Variant **args = (const Variant **)p_args; + const Variant *v = args[p_pos]; + Variant::Type type = v->get_type(); + switch (type) { + case Variant::BOOL: + r_val->i = v->operator bool() ? 1 : 0; + break; + case Variant::INT: { + const int64_t tmp = v->operator int64_t(); + if (tmp >= 1LL << 31) { + r_val->r = (double)tmp; + return Variant::FLOAT; + } + r_val->i = v->operator int64_t(); + } break; + case Variant::FLOAT: + r_val->r = v->operator real_t(); + break; + case Variant::STRING: { + CharString *cs = memnew(CharString(v->operator String().utf8())); + r_val->p = (void *)cs->get_data(); + *p_lock = (void *)cs; + } break; + case Variant::OBJECT: { + JavaScriptObject *js_obj = Object::cast_to<JavaScriptObject>(v->operator Object *()); + r_val->i = js_obj != nullptr ? ((JavaScriptObjectImpl *)js_obj)->_js_id : 0; + } break; + default: + break; + } + return type; +} + +Variant JavaScriptObjectImpl::callp(const StringName &p_method, const Variant **p_args, int p_argc, Callable::CallError &r_error) { + godot_js_wrapper_ex exchange; + const String method = p_method; + void *lock = nullptr; + const int type = godot_js_wrapper_object_call(_js_id, method.utf8().get_data(), (void **)p_args, p_argc, &_variant2js, &exchange, &lock, &_free_lock); + r_error.error = Callable::CallError::CALL_OK; + if (type < 0) { + r_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL; + return Variant(); + } + return _js2variant(type, &exchange); +} + +void JavaScriptObjectImpl::_callback(void *p_ref, int p_args_id, int p_argc) { + const JavaScriptObjectImpl *obj = (JavaScriptObjectImpl *)p_ref; + ERR_FAIL_COND_MSG(obj->_callable.is_null(), "JavaScript callback failed."); + Vector<const Variant *> argp; + Array arg_arr; + for (int i = 0; i < p_argc; i++) { + godot_js_wrapper_ex exchange; + exchange.i = i; + int type = godot_js_wrapper_object_getvar(p_args_id, Variant::INT, &exchange); + arg_arr.push_back(_js2variant(type, &exchange)); + } + Variant arg = arg_arr; + const Variant *argv[1] = { &arg }; + Callable::CallError err; + Variant ret; + obj->_callable.callp(argv, 1, ret, err); + + // Set return value + godot_js_wrapper_ex exchange; + void *lock = nullptr; + const Variant *v = &ret; + int type = _variant2js((const void **)&v, 0, &exchange, &lock); + godot_js_wrapper_object_set_cb_ret(type, &exchange); + if (lock) { + _free_lock(&lock, type); + } +} + +Ref<JavaScriptObject> JavaScript::create_callback(const Callable &p_callable) { + Ref<JavaScriptObjectImpl> out = memnew(JavaScriptObjectImpl); + out->_callable = p_callable; + out->_js_id = godot_js_wrapper_create_cb(out.ptr(), JavaScriptObjectImpl::_callback); + return out; +} + +Ref<JavaScriptObject> JavaScript::get_interface(const String &p_interface) { + int js_id = godot_js_wrapper_interface_get(p_interface.utf8().get_data()); + ERR_FAIL_COND_V_MSG(!js_id, Ref<JavaScriptObject>(), "No interface '" + p_interface + "' registered."); + return Ref<JavaScriptObject>(memnew(JavaScriptObjectImpl(js_id))); +} + +Variant JavaScript::_create_object_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error) { + if (p_argcount < 1) { + r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; + r_error.argument = 0; + return Ref<JavaScriptObject>(); + } + if (p_args[0]->get_type() != Variant::STRING) { + r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; + r_error.argument = 0; + r_error.expected = Variant::STRING; + return Ref<JavaScriptObject>(); + } + godot_js_wrapper_ex exchange; + const String object = *p_args[0]; + void *lock = nullptr; + const Variant **args = p_argcount > 1 ? &p_args[1] : nullptr; + const int type = godot_js_wrapper_create_object(object.utf8().get_data(), (void **)args, p_argcount - 1, &JavaScriptObjectImpl::_variant2js, &exchange, &lock, &JavaScriptObjectImpl::_free_lock); + r_error.error = Callable::CallError::CALL_OK; + if (type < 0) { + r_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL; + return Ref<JavaScriptObject>(); + } + return JavaScriptObjectImpl::_js2variant(type, &exchange); +} + +extern "C" { +union js_eval_ret { + uint32_t b; + double d; + char *s; +}; + +extern int godot_js_eval(const char *p_js, int p_use_global_ctx, union js_eval_ret *p_union_ptr, void *p_byte_arr, void *p_byte_arr_write, void *(*p_callback)(void *p_ptr, void *p_ptr2, int p_len)); +} + +void *resize_PackedByteArray_and_open_write(void *p_arr, void *r_write, int p_len) { + PackedByteArray *arr = (PackedByteArray *)p_arr; + VectorWriteProxy<uint8_t> *write = (VectorWriteProxy<uint8_t> *)r_write; + arr->resize(p_len); + *write = arr->write; + return arr->ptrw(); +} + +Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { + union js_eval_ret js_data; + PackedByteArray arr; + VectorWriteProxy<uint8_t> arr_write; + + Variant::Type return_type = static_cast<Variant::Type>(godot_js_eval(p_code.utf8().get_data(), p_use_global_exec_context, &js_data, &arr, &arr_write, resize_PackedByteArray_and_open_write)); + + switch (return_type) { + case Variant::BOOL: + return js_data.b; + case Variant::FLOAT: + return js_data.d; + case Variant::STRING: { + String str = String::utf8(js_data.s); + free(js_data.s); // Must free the string allocated in JS. + return str; + } + case Variant::PACKED_BYTE_ARRAY: + arr_write = VectorWriteProxy<uint8_t>(); + return arr; + default: + return Variant(); + } +} +#endif // JAVASCRIPT_EVAL_ENABLED + +void JavaScript::download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime) { + godot_js_os_download_buffer(p_arr.ptr(), p_arr.size(), p_name.utf8().get_data(), p_mime.utf8().get_data()); +} + +bool JavaScript::pwa_needs_update() const { + return OS_Web::get_singleton()->pwa_needs_update(); +} +Error JavaScript::pwa_update() { + return OS_Web::get_singleton()->pwa_update(); +} diff --git a/platform/web/js/engine/config.js b/platform/web/js/engine/config.js new file mode 100644 index 0000000000..9c4b6c2012 --- /dev/null +++ b/platform/web/js/engine/config.js @@ -0,0 +1,358 @@ +/** + * An object used to configure the Engine instance based on godot export options, and to override those in custom HTML + * templates if needed. + * + * @header Engine configuration + * @summary The Engine configuration object. This is just a typedef, create it like a regular object, e.g.: + * + * ``const MyConfig = { executable: 'godot', unloadAfterInit: false }`` + * + * @typedef {Object} EngineConfig + */ +const EngineConfig = {}; // eslint-disable-line no-unused-vars + +/** + * @struct + * @constructor + * @ignore + */ +const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-vars + const cfg = /** @lends {InternalConfig.prototype} */ { + /** + * Whether the unload the engine automatically after the instance is initialized. + * + * @memberof EngineConfig + * @default + * @type {boolean} + */ + unloadAfterInit: true, + /** + * The HTML DOM Canvas object to use. + * + * By default, the first canvas element in the document will be used is none is specified. + * + * @memberof EngineConfig + * @default + * @type {?HTMLCanvasElement} + */ + canvas: null, + /** + * The name of the WASM file without the extension. (Set by Godot Editor export process). + * + * @memberof EngineConfig + * @default + * @type {string} + */ + executable: '', + /** + * An alternative name for the game pck to load. The executable name is used otherwise. + * + * @memberof EngineConfig + * @default + * @type {?string} + */ + mainPack: null, + /** + * Specify a language code to select the proper localization for the game. + * + * The browser locale will be used if none is specified. See complete list of + * :ref:`supported locales <doc_locales>`. + * + * @memberof EngineConfig + * @type {?string} + * @default + */ + locale: null, + /** + * The canvas resize policy determines how the canvas should be resized by Godot. + * + * ``0`` means Godot won't do any resizing. This is useful if you want to control the canvas size from + * javascript code in your template. + * + * ``1`` means Godot will resize the canvas on start, and when changing window size via engine functions. + * + * ``2`` means Godot will adapt the canvas size to match the whole browser window. + * + * @memberof EngineConfig + * @type {number} + * @default + */ + canvasResizePolicy: 2, + /** + * The arguments to be passed as command line arguments on startup. + * + * See :ref:`command line tutorial <doc_command_line_tutorial>`. + * + * **Note**: :js:meth:`startGame <Engine.prototype.startGame>` will always add the ``--main-pack`` argument. + * + * @memberof EngineConfig + * @type {Array<string>} + * @default + */ + args: [], + /** + * When enabled, the game canvas will automatically grab the focus when the engine starts. + * + * @memberof EngineConfig + * @type {boolean} + * @default + */ + focusCanvas: true, + /** + * When enabled, this will turn on experimental virtual keyboard support on mobile. + * + * @memberof EngineConfig + * @type {boolean} + * @default + */ + experimentalVK: false, + /** + * The progressive web app service worker to install. + * @memberof EngineConfig + * @default + * @type {string} + */ + serviceWorker: '', + /** + * @ignore + * @type {Array.<string>} + */ + persistentPaths: ['/userfs'], + /** + * @ignore + * @type {boolean} + */ + persistentDrops: false, + /** + * @ignore + * @type {Array.<string>} + */ + gdnativeLibs: [], + /** + * @ignore + * @type {Array.<string>} + */ + fileSizes: [], + /** + * A callback function for handling Godot's ``OS.execute`` calls. + * + * This is for example used in the Web Editor template to switch between project manager and editor, and for running the game. + * + * @callback EngineConfig.onExecute + * @param {string} path The path that Godot's wants executed. + * @param {Array.<string>} args The arguments of the "command" to execute. + */ + /** + * @ignore + * @type {?function(string, Array.<string>)} + */ + onExecute: null, + /** + * A callback function for being notified when the Godot instance quits. + * + * **Note**: This function will not be called if the engine crashes or become unresponsive. + * + * @callback EngineConfig.onExit + * @param {number} status_code The status code returned by Godot on exit. + */ + /** + * @ignore + * @type {?function(number)} + */ + onExit: null, + /** + * A callback function for displaying download progress. + * + * The function is called once per frame while downloading files, so the usage of ``requestAnimationFrame()`` + * is not necessary. + * + * If the callback function receives a total amount of bytes as 0, this means that it is impossible to calculate. + * Possible reasons include: + * + * - Files are delivered with server-side chunked compression + * - Files are delivered with server-side compression on Chromium + * - Not all file downloads have started yet (usually on servers without multi-threading) + * + * @callback EngineConfig.onProgress + * @param {number} current The current amount of downloaded bytes so far. + * @param {number} total The total amount of bytes to be downloaded. + */ + /** + * @ignore + * @type {?function(number, number)} + */ + onProgress: null, + /** + * A callback function for handling the standard output stream. This method should usually only be used in debug pages. + * + * By default, ``console.log()`` is used. + * + * @callback EngineConfig.onPrint + * @param {...*} [var_args] A variadic number of arguments to be printed. + */ + /** + * @ignore + * @type {?function(...*)} + */ + onPrint: function () { + console.log.apply(console, Array.from(arguments)); // eslint-disable-line no-console + }, + /** + * A callback function for handling the standard error stream. This method should usually only be used in debug pages. + * + * By default, ``console.error()`` is used. + * + * @callback EngineConfig.onPrintError + * @param {...*} [var_args] A variadic number of arguments to be printed as errors. + */ + /** + * @ignore + * @type {?function(...*)} + */ + onPrintError: function (var_args) { + console.error.apply(console, Array.from(arguments)); // eslint-disable-line no-console + }, + }; + + /** + * @ignore + * @struct + * @constructor + * @param {EngineConfig} opts + */ + function Config(opts) { + this.update(opts); + } + + Config.prototype = cfg; + + /** + * @ignore + * @param {EngineConfig} opts + */ + Config.prototype.update = function (opts) { + const config = opts || {}; + // NOTE: We must explicitly pass the default, accessing it via + // the key will fail due to closure compiler renames. + function parse(key, def) { + if (typeof (config[key]) === 'undefined') { + return def; + } + return config[key]; + } + // Module config + this.unloadAfterInit = parse('unloadAfterInit', this.unloadAfterInit); + this.onPrintError = parse('onPrintError', this.onPrintError); + this.onPrint = parse('onPrint', this.onPrint); + this.onProgress = parse('onProgress', this.onProgress); + + // Godot config + this.canvas = parse('canvas', this.canvas); + this.executable = parse('executable', this.executable); + this.mainPack = parse('mainPack', this.mainPack); + this.locale = parse('locale', this.locale); + this.canvasResizePolicy = parse('canvasResizePolicy', this.canvasResizePolicy); + this.persistentPaths = parse('persistentPaths', this.persistentPaths); + this.persistentDrops = parse('persistentDrops', this.persistentDrops); + this.experimentalVK = parse('experimentalVK', this.experimentalVK); + this.focusCanvas = parse('focusCanvas', this.focusCanvas); + this.serviceWorker = parse('serviceWorker', this.serviceWorker); + this.gdnativeLibs = parse('gdnativeLibs', this.gdnativeLibs); + this.fileSizes = parse('fileSizes', this.fileSizes); + this.args = parse('args', this.args); + this.onExecute = parse('onExecute', this.onExecute); + this.onExit = parse('onExit', this.onExit); + }; + + /** + * @ignore + * @param {string} loadPath + * @param {Response} response + */ + Config.prototype.getModuleConfig = function (loadPath, response) { + let r = response; + return { + 'print': this.onPrint, + 'printErr': this.onPrintError, + 'thisProgram': this.executable, + 'noExitRuntime': true, + 'dynamicLibraries': [`${loadPath}.side.wasm`], + 'instantiateWasm': function (imports, onSuccess) { + function done(result) { + onSuccess(result['instance'], result['module']); + } + if (typeof (WebAssembly.instantiateStreaming) !== 'undefined') { + WebAssembly.instantiateStreaming(Promise.resolve(r), imports).then(done); + } else { + r.arrayBuffer().then(function (buffer) { + WebAssembly.instantiate(buffer, imports).then(done); + }); + } + r = null; + return {}; + }, + 'locateFile': function (path) { + if (path.endsWith('.worker.js')) { + return `${loadPath}.worker.js`; + } else if (path.endsWith('.audio.worklet.js')) { + return `${loadPath}.audio.worklet.js`; + } else if (path.endsWith('.js')) { + return `${loadPath}.js`; + } else if (path.endsWith('.side.wasm')) { + return `${loadPath}.side.wasm`; + } else if (path.endsWith('.wasm')) { + return `${loadPath}.wasm`; + } + return path; + }, + }; + }; + + /** + * @ignore + * @param {function()} cleanup + */ + Config.prototype.getGodotConfig = function (cleanup) { + // Try to find a canvas + if (!(this.canvas instanceof HTMLCanvasElement)) { + const nodes = document.getElementsByTagName('canvas'); + if (nodes.length && nodes[0] instanceof HTMLCanvasElement) { + this.canvas = nodes[0]; + } + if (!this.canvas) { + throw new Error('No canvas found in page'); + } + } + // Canvas can grab focus on click, or key events won't work. + if (this.canvas.tabIndex < 0) { + this.canvas.tabIndex = 0; + } + + // Browser locale, or custom one if defined. + let locale = this.locale; + if (!locale) { + locale = navigator.languages ? navigator.languages[0] : navigator.language; + locale = locale.split('.')[0]; + } + locale = locale.replace('-', '_'); + const onExit = this.onExit; + + // Godot configuration. + return { + 'canvas': this.canvas, + 'canvasResizePolicy': this.canvasResizePolicy, + 'locale': locale, + 'persistentDrops': this.persistentDrops, + 'virtualKeyboard': this.experimentalVK, + 'focusCanvas': this.focusCanvas, + 'onExecute': this.onExecute, + 'onExit': function (p_code) { + cleanup(); // We always need to call the cleanup callback to free memory. + if (typeof (onExit) === 'function') { + onExit(p_code); + } + }, + }; + }; + return new Config(initConfig); +}; diff --git a/platform/web/js/engine/engine.externs.js b/platform/web/js/engine/engine.externs.js new file mode 100644 index 0000000000..35a66a93ae --- /dev/null +++ b/platform/web/js/engine/engine.externs.js @@ -0,0 +1,4 @@ +var Godot; +var WebAssembly = {}; +WebAssembly.instantiate = function(buffer, imports) {}; +WebAssembly.instantiateStreaming = function(response, imports) {}; diff --git a/platform/web/js/engine/engine.js b/platform/web/js/engine/engine.js new file mode 100644 index 0000000000..6f0d51b2be --- /dev/null +++ b/platform/web/js/engine/engine.js @@ -0,0 +1,281 @@ +/** + * Projects exported for the Web expose the :js:class:`Engine` class to the JavaScript environment, that allows + * fine control over the engine's start-up process. + * + * This API is built in an asynchronous manner and requires basic understanding + * of `Promises <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises>`__. + * + * @module Engine + * @header Web export JavaScript reference + */ +const Engine = (function () { + const preloader = new Preloader(); + + let loadPromise = null; + let loadPath = ''; + let initPromise = null; + + /** + * @classdesc The ``Engine`` class provides methods for loading and starting exported projects on the Web. For default export + * settings, this is already part of the exported HTML page. To understand practical use of the ``Engine`` class, + * see :ref:`Custom HTML page for Web export <doc_customizing_html5_shell>`. + * + * @description Create a new Engine instance with the given configuration. + * + * @global + * @constructor + * @param {EngineConfig} initConfig The initial config for this instance. + */ + function Engine(initConfig) { // eslint-disable-line no-shadow + this.config = new InternalConfig(initConfig); + this.rtenv = null; + } + + /** + * Load the engine from the specified base path. + * + * @param {string} basePath Base path of the engine to load. + * @param {number=} [size=0] The file size if known. + * @returns {Promise} A Promise that resolves once the engine is loaded. + * + * @function Engine.load + */ + Engine.load = function (basePath, size) { + if (loadPromise == null) { + loadPath = basePath; + loadPromise = preloader.loadPromise(`${loadPath}.wasm`, size, true); + requestAnimationFrame(preloader.animateProgress); + } + return loadPromise; + }; + + /** + * Unload the engine to free memory. + * + * This method will be called automatically depending on the configuration. See :js:attr:`unloadAfterInit`. + * + * @function Engine.unload + */ + Engine.unload = function () { + loadPromise = null; + }; + + /** + * Check whether WebGL is available. Optionally, specify a particular version of WebGL to check for. + * + * @param {number=} [majorVersion=1] The major WebGL version to check for. + * @returns {boolean} If the given major version of WebGL is available. + * @function Engine.isWebGLAvailable + */ + Engine.isWebGLAvailable = function (majorVersion = 1) { + try { + return !!document.createElement('canvas').getContext(['webgl', 'webgl2'][majorVersion - 1]); + } catch (e) { /* Not available */ } + return false; + }; + + /** + * Safe Engine constructor, creates a new prototype for every new instance to avoid prototype pollution. + * @ignore + * @constructor + */ + function SafeEngine(initConfig) { + const proto = /** @lends Engine.prototype */ { + /** + * Initialize the engine instance. Optionally, pass the base path to the engine to load it, + * if it hasn't been loaded yet. See :js:meth:`Engine.load`. + * + * @param {string=} basePath Base path of the engine to load. + * @return {Promise} A ``Promise`` that resolves once the engine is loaded and initialized. + */ + init: function (basePath) { + if (initPromise) { + return initPromise; + } + if (loadPromise == null) { + if (!basePath) { + initPromise = Promise.reject(new Error('A base path must be provided when calling `init` and the engine is not loaded.')); + return initPromise; + } + Engine.load(basePath, this.config.fileSizes[`${basePath}.wasm`]); + } + const me = this; + function doInit(promise) { + // Care! Promise chaining is bogus with old emscripten versions. + // This caused a regression with the Mono build (which uses an older emscripten version). + // Make sure to test that when refactoring. + return new Promise(function (resolve, reject) { + promise.then(function (response) { + const cloned = new Response(response.clone().body, { 'headers': [['content-type', 'application/wasm']] }); + Godot(me.config.getModuleConfig(loadPath, cloned)).then(function (module) { + const paths = me.config.persistentPaths; + module['initFS'](paths).then(function (err) { + me.rtenv = module; + if (me.config.unloadAfterInit) { + Engine.unload(); + } + resolve(); + }); + }); + }); + }); + } + preloader.setProgressFunc(this.config.onProgress); + initPromise = doInit(loadPromise); + return initPromise; + }, + + /** + * Load a file so it is available in the instance's file system once it runs. Must be called **before** starting the + * instance. + * + * If not provided, the ``path`` is derived from the URL of the loaded file. + * + * @param {string|ArrayBuffer} file The file to preload. + * + * If a ``string`` the file will be loaded from that path. + * + * If an ``ArrayBuffer`` or a view on one, the buffer will used as the content of the file. + * + * @param {string=} path Path by which the file will be accessible. Required, if ``file`` is not a string. + * + * @returns {Promise} A Promise that resolves once the file is loaded. + */ + preloadFile: function (file, path) { + return preloader.preload(file, path, this.config.fileSizes[file]); + }, + + /** + * Start the engine instance using the given override configuration (if any). + * :js:meth:`startGame <Engine.prototype.startGame>` can be used in typical cases instead. + * + * This will initialize the instance if it is not initialized. For manual initialization, see :js:meth:`init <Engine.prototype.init>`. + * The engine must be loaded beforehand. + * + * Fails if a canvas cannot be found on the page, or not specified in the configuration. + * + * @param {EngineConfig} override An optional configuration override. + * @return {Promise} Promise that resolves once the engine started. + */ + start: function (override) { + this.config.update(override); + const me = this; + return me.init().then(function () { + if (!me.rtenv) { + return Promise.reject(new Error('The engine must be initialized before it can be started')); + } + + let config = {}; + try { + config = me.config.getGodotConfig(function () { + me.rtenv = null; + }); + } catch (e) { + return Promise.reject(e); + } + // Godot configuration. + me.rtenv['initConfig'](config); + + // Preload GDNative libraries. + const libs = []; + me.config.gdnativeLibs.forEach(function (lib) { + libs.push(me.rtenv['loadDynamicLibrary'](lib, { 'loadAsync': true })); + }); + return Promise.all(libs).then(function () { + return new Promise(function (resolve, reject) { + preloader.preloadedFiles.forEach(function (file) { + me.rtenv['copyToFS'](file.path, file.buffer); + }); + preloader.preloadedFiles.length = 0; // Clear memory + me.rtenv['callMain'](me.config.args); + initPromise = null; + if (me.config.serviceWorker && 'serviceWorker' in navigator) { + navigator.serviceWorker.register(me.config.serviceWorker); + } + resolve(); + }); + }); + }); + }, + + /** + * Start the game instance using the given configuration override (if any). + * + * This will initialize the instance if it is not initialized. For manual initialization, see :js:meth:`init <Engine.prototype.init>`. + * + * This will load the engine if it is not loaded, and preload the main pck. + * + * This method expects the initial config (or the override) to have both the :js:attr:`executable` and :js:attr:`mainPack` + * properties set (normally done by the editor during export). + * + * @param {EngineConfig} override An optional configuration override. + * @return {Promise} Promise that resolves once the game started. + */ + startGame: function (override) { + this.config.update(override); + // Add main-pack argument. + const exe = this.config.executable; + const pack = this.config.mainPack || `${exe}.pck`; + this.config.args = ['--main-pack', pack].concat(this.config.args); + // Start and init with execName as loadPath if not inited. + const me = this; + return Promise.all([ + this.init(exe), + this.preloadFile(pack, pack), + ]).then(function () { + return me.start.apply(me); + }); + }, + + /** + * Create a file at the specified ``path`` with the passed as ``buffer`` in the instance's file system. + * + * @param {string} path The location where the file will be created. + * @param {ArrayBuffer} buffer The content of the file. + */ + copyToFS: function (path, buffer) { + if (this.rtenv == null) { + throw new Error('Engine must be inited before copying files'); + } + this.rtenv['copyToFS'](path, buffer); + }, + + /** + * Request that the current instance quit. + * + * This is akin the user pressing the close button in the window manager, and will + * have no effect if the engine has crashed, or is stuck in a loop. + * + */ + requestQuit: function () { + if (this.rtenv) { + this.rtenv['request_quit'](); + } + }, + }; + + Engine.prototype = proto; + // Closure compiler exported instance methods. + Engine.prototype['init'] = Engine.prototype.init; + Engine.prototype['preloadFile'] = Engine.prototype.preloadFile; + Engine.prototype['start'] = Engine.prototype.start; + Engine.prototype['startGame'] = Engine.prototype.startGame; + Engine.prototype['copyToFS'] = Engine.prototype.copyToFS; + Engine.prototype['requestQuit'] = Engine.prototype.requestQuit; + // Also expose static methods as instance methods + Engine.prototype['load'] = Engine.load; + Engine.prototype['unload'] = Engine.unload; + Engine.prototype['isWebGLAvailable'] = Engine.isWebGLAvailable; + return new Engine(initConfig); + } + + // Closure compiler exported static methods. + SafeEngine['load'] = Engine.load; + SafeEngine['unload'] = Engine.unload; + SafeEngine['isWebGLAvailable'] = Engine.isWebGLAvailable; + + return SafeEngine; +}()); +if (typeof window !== 'undefined') { + window['Engine'] = Engine; +} diff --git a/platform/web/js/engine/preloader.js b/platform/web/js/engine/preloader.js new file mode 100644 index 0000000000..564c68d264 --- /dev/null +++ b/platform/web/js/engine/preloader.js @@ -0,0 +1,133 @@ +const Preloader = /** @constructor */ function () { // eslint-disable-line no-unused-vars + function getTrackedResponse(response, load_status) { + function onloadprogress(reader, controller) { + return reader.read().then(function (result) { + if (load_status.done) { + return Promise.resolve(); + } + if (result.value) { + controller.enqueue(result.value); + load_status.loaded += result.value.length; + } + if (!result.done) { + return onloadprogress(reader, controller); + } + load_status.done = true; + return Promise.resolve(); + }); + } + const reader = response.body.getReader(); + return new Response(new ReadableStream({ + start: function (controller) { + onloadprogress(reader, controller).then(function () { + controller.close(); + }); + }, + }), { headers: response.headers }); + } + + function loadFetch(file, tracker, fileSize, raw) { + tracker[file] = { + total: fileSize || 0, + loaded: 0, + done: false, + }; + return fetch(file).then(function (response) { + if (!response.ok) { + return Promise.reject(new Error(`Failed loading file '${file}'`)); + } + const tr = getTrackedResponse(response, tracker[file]); + if (raw) { + return Promise.resolve(tr); + } + return tr.arrayBuffer(); + }); + } + + function retry(func, attempts = 1) { + function onerror(err) { + if (attempts <= 1) { + return Promise.reject(err); + } + return new Promise(function (resolve, reject) { + setTimeout(function () { + retry(func, attempts - 1).then(resolve).catch(reject); + }, 1000); + }); + } + return func().catch(onerror); + } + + const DOWNLOAD_ATTEMPTS_MAX = 4; + const loadingFiles = {}; + const lastProgress = { loaded: 0, total: 0 }; + let progressFunc = null; + + const animateProgress = function () { + let loaded = 0; + let total = 0; + let totalIsValid = true; + let progressIsFinal = true; + + Object.keys(loadingFiles).forEach(function (file) { + const stat = loadingFiles[file]; + if (!stat.done) { + progressIsFinal = false; + } + if (!totalIsValid || stat.total === 0) { + totalIsValid = false; + total = 0; + } else { + total += stat.total; + } + loaded += stat.loaded; + }); + if (loaded !== lastProgress.loaded || total !== lastProgress.total) { + lastProgress.loaded = loaded; + lastProgress.total = total; + if (typeof progressFunc === 'function') { + progressFunc(loaded, total); + } + } + if (!progressIsFinal) { + requestAnimationFrame(animateProgress); + } + }; + + this.animateProgress = animateProgress; + + this.setProgressFunc = function (callback) { + progressFunc = callback; + }; + + this.loadPromise = function (file, fileSize, raw = false) { + return retry(loadFetch.bind(null, file, loadingFiles, fileSize, raw), DOWNLOAD_ATTEMPTS_MAX); + }; + + this.preloadedFiles = []; + this.preload = function (pathOrBuffer, destPath, fileSize) { + let buffer = null; + if (typeof pathOrBuffer === 'string') { + const me = this; + return this.loadPromise(pathOrBuffer, fileSize).then(function (buf) { + me.preloadedFiles.push({ + path: destPath || pathOrBuffer, + buffer: buf, + }); + return Promise.resolve(); + }); + } else if (pathOrBuffer instanceof ArrayBuffer) { + buffer = new Uint8Array(pathOrBuffer); + } else if (ArrayBuffer.isView(pathOrBuffer)) { + buffer = new Uint8Array(pathOrBuffer.buffer); + } + if (buffer) { + this.preloadedFiles.push({ + path: destPath, + buffer: pathOrBuffer, + }); + return Promise.resolve(); + } + return Promise.reject(new Error('Invalid object for preloading')); + }; +}; diff --git a/platform/web/js/jsdoc2rst/publish.js b/platform/web/js/jsdoc2rst/publish.js new file mode 100644 index 0000000000..ad9c0fbaaa --- /dev/null +++ b/platform/web/js/jsdoc2rst/publish.js @@ -0,0 +1,354 @@ +/* eslint-disable strict */ + +'use strict'; + +const fs = require('fs'); + +class JSDoclet { + constructor(doc) { + this.doc = doc; + this.description = doc['description'] || ''; + this.name = doc['name'] || 'unknown'; + this.longname = doc['longname'] || ''; + this.types = []; + if (doc['type'] && doc['type']['names']) { + this.types = doc['type']['names'].slice(); + } + this.type = this.types.length > 0 ? this.types.join('\\|') : '*'; + this.variable = doc['variable'] || false; + this.kind = doc['kind'] || ''; + this.memberof = doc['memberof'] || null; + this.scope = doc['scope'] || ''; + this.members = []; + this.optional = doc['optional'] || false; + this.defaultvalue = doc['defaultvalue']; + this.summary = doc['summary'] || null; + this.classdesc = doc['classdesc'] || null; + + // Parameters (functions) + this.params = []; + this.returns = doc['returns'] ? doc['returns'][0]['type']['names'][0] : 'void'; + this.returns_desc = doc['returns'] ? doc['returns'][0]['description'] : null; + + this.params = (doc['params'] || []).slice().map((p) => new JSDoclet(p)); + + // Custom tags + this.tags = doc['tags'] || []; + this.header = this.tags.filter((t) => t['title'] === 'header').map((t) => t['text']).pop() || null; + } + + add_member(obj) { + this.members.push(obj); + } + + is_static() { + return this.scope === 'static'; + } + + is_instance() { + return this.scope === 'instance'; + } + + is_object() { + return this.kind === 'Object' || (this.kind === 'typedef' && this.type === 'Object'); + } + + is_class() { + return this.kind === 'class'; + } + + is_function() { + return this.kind === 'function' || (this.kind === 'typedef' && this.type === 'function'); + } + + is_module() { + return this.kind === 'module'; + } +} + +function format_table(f, data, depth = 0) { + if (!data.length) { + return; + } + + const column_sizes = new Array(data[0].length).fill(0); + + data.forEach((row) => { + row.forEach((e, idx) => { + column_sizes[idx] = Math.max(e.length, column_sizes[idx]); + }); + }); + + const indent = ' '.repeat(depth); + let sep = indent; + column_sizes.forEach((size) => { + sep += '+'; + sep += '-'.repeat(size + 2); + }); + sep += '+\n'; + f.write(sep); + + data.forEach((row) => { + let row_text = `${indent}|`; + row.forEach((entry, idx) => { + row_text += ` ${entry.padEnd(column_sizes[idx])} |`; + }); + row_text += '\n'; + f.write(row_text); + f.write(sep); + }); + + f.write('\n'); +} + +function make_header(header, sep) { + return `${header}\n${sep.repeat(header.length)}\n\n`; +} + +function indent_multiline(text, depth) { + const indent = ' '.repeat(depth); + return text.split('\n').map((l) => (l === '' ? l : indent + l)).join('\n'); +} + +function make_rst_signature(obj, types = false, style = false) { + let out = ''; + const fmt = style ? '*' : ''; + obj.params.forEach((arg, idx) => { + if (idx > 0) { + if (arg.optional) { + out += ` ${fmt}[`; + } + out += ', '; + } else { + out += ' '; + if (arg.optional) { + out += `${fmt}[ `; + } + } + if (types) { + out += `${arg.type} `; + } + const variable = arg.variable ? '...' : ''; + const defval = arg.defaultvalue !== undefined ? `=${arg.defaultvalue}` : ''; + out += `${variable}${arg.name}${defval}`; + if (arg.optional) { + out += ` ]${fmt}`; + } + }); + out += ' '; + return out; +} + +function make_rst_param(f, obj, depth = 0) { + const indent = ' '.repeat(depth * 3); + f.write(indent); + f.write(`:param ${obj.type} ${obj.name}:\n`); + f.write(indent_multiline(obj.description, (depth + 1) * 3)); + f.write('\n\n'); +} + +function make_rst_attribute(f, obj, depth = 0, brief = false) { + const indent = ' '.repeat(depth * 3); + f.write(indent); + f.write(`.. js:attribute:: ${obj.name}\n\n`); + + if (brief) { + if (obj.summary) { + f.write(indent_multiline(obj.summary, (depth + 1) * 3)); + } + f.write('\n\n'); + return; + } + + f.write(indent_multiline(obj.description, (depth + 1) * 3)); + f.write('\n\n'); + + f.write(indent); + f.write(` :type: ${obj.type}\n\n`); + + if (obj.defaultvalue !== undefined) { + let defval = obj.defaultvalue; + if (defval === '') { + defval = '""'; + } + f.write(indent); + f.write(` :value: \`\`${defval}\`\`\n\n`); + } +} + +function make_rst_function(f, obj, depth = 0) { + let prefix = ''; + if (obj.is_instance()) { + prefix = 'prototype.'; + } + + const indent = ' '.repeat(depth * 3); + const sig = make_rst_signature(obj); + f.write(indent); + f.write(`.. js:function:: ${prefix}${obj.name}(${sig})\n`); + f.write('\n'); + + f.write(indent_multiline(obj.description, (depth + 1) * 3)); + f.write('\n\n'); + + obj.params.forEach((param) => { + make_rst_param(f, param, depth + 1); + }); + + if (obj.returns !== 'void') { + f.write(indent); + f.write(' :return:\n'); + f.write(indent_multiline(obj.returns_desc, (depth + 2) * 3)); + f.write('\n\n'); + f.write(indent); + f.write(` :rtype: ${obj.returns}\n\n`); + } +} + +function make_rst_object(f, obj) { + let brief = false; + // Our custom header flag. + if (obj.header !== null) { + f.write(make_header(obj.header, '-')); + f.write(`${obj.description}\n\n`); + brief = true; + } + + // Format members table and descriptions + const data = [['type', 'name']].concat(obj.members.map((m) => [m.type, `:js:attr:\`${m.name}\``])); + + f.write(make_header('Properties', '^')); + format_table(f, data, 0); + + make_rst_attribute(f, obj, 0, brief); + + if (!obj.members.length) { + return; + } + + f.write(' **Property Descriptions**\n\n'); + + // Properties first + obj.members.filter((m) => !m.is_function()).forEach((m) => { + make_rst_attribute(f, m, 1); + }); + + // Callbacks last + obj.members.filter((m) => m.is_function()).forEach((m) => { + make_rst_function(f, m, 1); + }); +} + +function make_rst_class(f, obj) { + const header = obj.header ? obj.header : obj.name; + f.write(make_header(header, '-')); + + if (obj.classdesc) { + f.write(`${obj.classdesc}\n\n`); + } + + const funcs = obj.members.filter((m) => m.is_function()); + function make_data(m) { + const base = m.is_static() ? obj.name : `${obj.name}.prototype`; + const params = make_rst_signature(m, true, true); + const sig = `:js:attr:\`${m.name} <${base}.${m.name}>\` **(**${params}**)**`; + return [m.returns, sig]; + } + const sfuncs = funcs.filter((m) => m.is_static()); + const ifuncs = funcs.filter((m) => !m.is_static()); + + f.write(make_header('Static Methods', '^')); + format_table(f, sfuncs.map((m) => make_data(m))); + + f.write(make_header('Instance Methods', '^')); + format_table(f, ifuncs.map((m) => make_data(m))); + + const sig = make_rst_signature(obj); + f.write(`.. js:class:: ${obj.name}(${sig})\n\n`); + f.write(indent_multiline(obj.description, 3)); + f.write('\n\n'); + + obj.params.forEach((p) => { + make_rst_param(f, p, 1); + }); + + f.write(' **Static Methods**\n\n'); + sfuncs.forEach((m) => { + make_rst_function(f, m, 1); + }); + + f.write(' **Instance Methods**\n\n'); + ifuncs.forEach((m) => { + make_rst_function(f, m, 1); + }); +} + +function make_rst_module(f, obj) { + const header = obj.header !== null ? obj.header : obj.name; + f.write(make_header(header, '=')); + f.write(obj.description); + f.write('\n\n'); +} + +function write_base_object(f, obj) { + if (obj.is_object()) { + make_rst_object(f, obj); + } else if (obj.is_function()) { + make_rst_function(f, obj); + } else if (obj.is_class()) { + make_rst_class(f, obj); + } else if (obj.is_module()) { + make_rst_module(f, obj); + } +} + +function generate(f, docs) { + const globs = []; + const SYMBOLS = {}; + docs.filter((d) => !d.ignore && d.kind !== 'package').forEach((d) => { + SYMBOLS[d.name] = d; + if (d.memberof) { + const up = SYMBOLS[d.memberof]; + if (up === undefined) { + console.log(d); // eslint-disable-line no-console + console.log(`Undefined symbol! ${d.memberof}`); // eslint-disable-line no-console + throw new Error('Undefined symbol!'); + } + SYMBOLS[d.memberof].add_member(d); + } else { + globs.push(d); + } + }); + + f.write('.. _doc_html5_shell_classref:\n\n'); + globs.forEach((obj) => write_base_object(f, obj)); +} + +/** + * Generate documentation output. + * + * @param {TAFFY} data - A TaffyDB collection representing + * all the symbols documented in your code. + * @param {object} opts - An object with options information. + */ +exports.publish = function (data, opts) { + const docs = data().get().filter((doc) => !doc.undocumented && !doc.ignore).map((doc) => new JSDoclet(doc)); + const dest = opts.destination; + if (dest === 'dry-run') { + process.stdout.write('Dry run... '); + generate({ + write: function () { /* noop */ }, + }, docs); + process.stdout.write('Okay!\n'); + return; + } + if (dest !== '' && !dest.endsWith('.rst')) { + throw new Error('Destination file must be either a ".rst" file, or an empty string (for printing to stdout)'); + } + if (dest !== '') { + const f = fs.createWriteStream(dest); + generate(f, docs); + } else { + generate(process.stdout, docs); + } +}; diff --git a/platform/web/js/libs/audio.worklet.js b/platform/web/js/libs/audio.worklet.js new file mode 100644 index 0000000000..ea4d8cb221 --- /dev/null +++ b/platform/web/js/libs/audio.worklet.js @@ -0,0 +1,211 @@ +/*************************************************************************/ +/* audio.worklet.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +class RingBuffer { + constructor(p_buffer, p_state, p_threads) { + this.buffer = p_buffer; + this.avail = p_state; + this.threads = p_threads; + this.rpos = 0; + this.wpos = 0; + } + + data_left() { + return this.threads ? Atomics.load(this.avail, 0) : this.avail; + } + + space_left() { + return this.buffer.length - this.data_left(); + } + + read(output) { + const size = this.buffer.length; + let from = 0; + let to_write = output.length; + if (this.rpos + to_write > size) { + const high = size - this.rpos; + output.set(this.buffer.subarray(this.rpos, size)); + from = high; + to_write -= high; + this.rpos = 0; + } + if (to_write) { + output.set(this.buffer.subarray(this.rpos, this.rpos + to_write), from); + } + this.rpos += to_write; + if (this.threads) { + Atomics.add(this.avail, 0, -output.length); + Atomics.notify(this.avail, 0); + } else { + this.avail -= output.length; + } + } + + write(p_buffer) { + const to_write = p_buffer.length; + const mw = this.buffer.length - this.wpos; + if (mw >= to_write) { + this.buffer.set(p_buffer, this.wpos); + this.wpos += to_write; + if (mw === to_write) { + this.wpos = 0; + } + } else { + const high = p_buffer.subarray(0, mw); + const low = p_buffer.subarray(mw); + this.buffer.set(high, this.wpos); + this.buffer.set(low); + this.wpos = low.length; + } + if (this.threads) { + Atomics.add(this.avail, 0, to_write); + Atomics.notify(this.avail, 0); + } else { + this.avail += to_write; + } + } +} + +class GodotProcessor extends AudioWorkletProcessor { + constructor() { + super(); + this.threads = false; + this.running = true; + this.lock = null; + this.notifier = null; + this.output = null; + this.output_buffer = new Float32Array(); + this.input = null; + this.input_buffer = new Float32Array(); + this.port.onmessage = (event) => { + const cmd = event.data['cmd']; + const data = event.data['data']; + this.parse_message(cmd, data); + }; + } + + process_notify() { + if (this.notifier) { + Atomics.add(this.notifier, 0, 1); + Atomics.notify(this.notifier, 0); + } + } + + parse_message(p_cmd, p_data) { + if (p_cmd === 'start' && p_data) { + const state = p_data[0]; + let idx = 0; + this.threads = true; + this.lock = state.subarray(idx, ++idx); + this.notifier = state.subarray(idx, ++idx); + const avail_in = state.subarray(idx, ++idx); + const avail_out = state.subarray(idx, ++idx); + this.input = new RingBuffer(p_data[1], avail_in, true); + this.output = new RingBuffer(p_data[2], avail_out, true); + } else if (p_cmd === 'stop') { + this.running = false; + this.output = null; + this.input = null; + } else if (p_cmd === 'start_nothreads') { + this.output = new RingBuffer(p_data[0], p_data[0].length, false); + } else if (p_cmd === 'chunk') { + this.output.write(p_data); + } + } + + static array_has_data(arr) { + return arr.length && arr[0].length && arr[0][0].length; + } + + process(inputs, outputs, parameters) { + if (!this.running) { + return false; // Stop processing. + } + if (this.output === null) { + return true; // Not ready yet, keep processing. + } + const process_input = GodotProcessor.array_has_data(inputs); + if (process_input) { + const input = inputs[0]; + const chunk = input[0].length * input.length; + if (this.input_buffer.length !== chunk) { + this.input_buffer = new Float32Array(chunk); + } + if (!this.threads) { + GodotProcessor.write_input(this.input_buffer, input); + this.port.postMessage({ 'cmd': 'input', 'data': this.input_buffer }); + } else if (this.input.space_left() >= chunk) { + GodotProcessor.write_input(this.input_buffer, input); + this.input.write(this.input_buffer); + } else { + this.port.postMessage('Input buffer is full! Skipping input frame.'); + } + } + const process_output = GodotProcessor.array_has_data(outputs); + if (process_output) { + const output = outputs[0]; + const chunk = output[0].length * output.length; + if (this.output_buffer.length !== chunk) { + this.output_buffer = new Float32Array(chunk); + } + if (this.output.data_left() >= chunk) { + this.output.read(this.output_buffer); + GodotProcessor.write_output(output, this.output_buffer); + if (!this.threads) { + this.port.postMessage({ 'cmd': 'read', 'data': chunk }); + } + } else { + this.port.postMessage('Output buffer has not enough frames! Skipping output frame.'); + } + } + this.process_notify(); + return true; + } + + static write_output(dest, source) { + const channels = dest.length; + for (let ch = 0; ch < channels; ch++) { + for (let sample = 0; sample < dest[ch].length; sample++) { + dest[ch][sample] = source[sample * channels + ch]; + } + } + } + + static write_input(dest, source) { + const channels = source.length; + for (let ch = 0; ch < channels; ch++) { + for (let sample = 0; sample < source[ch].length; sample++) { + dest[sample * channels + ch] = source[ch][sample]; + } + } + } +} + +registerProcessor('godot-processor', GodotProcessor); diff --git a/platform/web/js/libs/library_godot_audio.js b/platform/web/js/libs/library_godot_audio.js new file mode 100644 index 0000000000..756c1ac595 --- /dev/null +++ b/platform/web/js/libs/library_godot_audio.js @@ -0,0 +1,484 @@ +/*************************************************************************/ +/* library_godot_audio.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotAudio = { + $GodotAudio__deps: ['$GodotRuntime', '$GodotOS'], + $GodotAudio: { + ctx: null, + input: null, + driver: null, + interval: 0, + + init: function (mix_rate, latency, onstatechange, onlatencyupdate) { + const opts = {}; + // If mix_rate is 0, let the browser choose. + if (mix_rate) { + opts['sampleRate'] = mix_rate; + } + // Do not specify, leave 'interactive' for good performance. + // opts['latencyHint'] = latency / 1000; + const ctx = new (window.AudioContext || window.webkitAudioContext)(opts); + GodotAudio.ctx = ctx; + ctx.onstatechange = function () { + let state = 0; + switch (ctx.state) { + case 'suspended': + state = 0; + break; + case 'running': + state = 1; + break; + case 'closed': + state = 2; + break; + + // no default + } + onstatechange(state); + }; + ctx.onstatechange(); // Immediately notify state. + // Update computed latency + GodotAudio.interval = setInterval(function () { + let computed_latency = 0; + if (ctx.baseLatency) { + computed_latency += GodotAudio.ctx.baseLatency; + } + if (ctx.outputLatency) { + computed_latency += GodotAudio.ctx.outputLatency; + } + onlatencyupdate(computed_latency); + }, 1000); + GodotOS.atexit(GodotAudio.close_async); + return ctx.destination.channelCount; + }, + + create_input: function (callback) { + if (GodotAudio.input) { + return 0; // Already started. + } + function gotMediaInput(stream) { + try { + GodotAudio.input = GodotAudio.ctx.createMediaStreamSource(stream); + callback(GodotAudio.input); + } catch (e) { + GodotRuntime.error('Failed creaating input.', e); + } + } + if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { + navigator.mediaDevices.getUserMedia({ + 'audio': true, + }).then(gotMediaInput, function (e) { + GodotRuntime.error('Error getting user media.', e); + }); + } else { + if (!navigator.getUserMedia) { + navigator.getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia; + } + if (!navigator.getUserMedia) { + GodotRuntime.error('getUserMedia not available.'); + return 1; + } + navigator.getUserMedia({ + 'audio': true, + }, gotMediaInput, function (e) { + GodotRuntime.print(e); + }); + } + return 0; + }, + + close_async: function (resolve, reject) { + const ctx = GodotAudio.ctx; + GodotAudio.ctx = null; + // Audio was not initialized. + if (!ctx) { + resolve(); + return; + } + // Remove latency callback + if (GodotAudio.interval) { + clearInterval(GodotAudio.interval); + GodotAudio.interval = 0; + } + // Disconnect input, if it was started. + if (GodotAudio.input) { + GodotAudio.input.disconnect(); + GodotAudio.input = null; + } + // Disconnect output + let closed = Promise.resolve(); + if (GodotAudio.driver) { + closed = GodotAudio.driver.close(); + } + closed.then(function () { + return ctx.close(); + }).then(function () { + ctx.onstatechange = null; + resolve(); + }).catch(function (e) { + ctx.onstatechange = null; + GodotRuntime.error('Error closing AudioContext', e); + resolve(); + }); + }, + }, + + godot_audio_is_available__sig: 'i', + godot_audio_is_available__proxy: 'sync', + godot_audio_is_available: function () { + if (!(window.AudioContext || window.webkitAudioContext)) { + return 0; + } + return 1; + }, + + godot_audio_has_worklet__sig: 'i', + godot_audio_has_worklet: function () { + return (GodotAudio.ctx && GodotAudio.ctx.audioWorklet) ? 1 : 0; + }, + + godot_audio_has_script_processor__sig: 'i', + godot_audio_has_script_processor: function () { + return (GodotAudio.ctx && GodotAudio.ctx.createScriptProcessor) ? 1 : 0; + }, + + godot_audio_init__sig: 'iiiii', + godot_audio_init: function (p_mix_rate, p_latency, p_state_change, p_latency_update) { + const statechange = GodotRuntime.get_func(p_state_change); + const latencyupdate = GodotRuntime.get_func(p_latency_update); + const mix_rate = GodotRuntime.getHeapValue(p_mix_rate, 'i32'); + const channels = GodotAudio.init(mix_rate, p_latency, statechange, latencyupdate); + GodotRuntime.setHeapValue(p_mix_rate, GodotAudio.ctx.sampleRate, 'i32'); + return channels; + }, + + godot_audio_resume__sig: 'v', + godot_audio_resume: function () { + if (GodotAudio.ctx && GodotAudio.ctx.state !== 'running') { + GodotAudio.ctx.resume(); + } + }, + + godot_audio_capture_start__proxy: 'sync', + godot_audio_capture_start__sig: 'i', + godot_audio_capture_start: function () { + return GodotAudio.create_input(function (input) { + input.connect(GodotAudio.driver.get_node()); + }); + }, + + godot_audio_capture_stop__proxy: 'sync', + godot_audio_capture_stop__sig: 'v', + godot_audio_capture_stop: function () { + if (GodotAudio.input) { + const tracks = GodotAudio.input['mediaStream']['getTracks'](); + for (let i = 0; i < tracks.length; i++) { + tracks[i]['stop'](); + } + GodotAudio.input.disconnect(); + GodotAudio.input = null; + } + }, +}; + +autoAddDeps(GodotAudio, '$GodotAudio'); +mergeInto(LibraryManager.library, GodotAudio); + +/** + * The AudioWorklet API driver, used when threads are available. + */ +const GodotAudioWorklet = { + $GodotAudioWorklet__deps: ['$GodotAudio', '$GodotConfig'], + $GodotAudioWorklet: { + promise: null, + worklet: null, + ring_buffer: null, + + create: function (channels) { + const path = GodotConfig.locate_file('godot.audio.worklet.js'); + GodotAudioWorklet.promise = GodotAudio.ctx.audioWorklet.addModule(path).then(function () { + GodotAudioWorklet.worklet = new AudioWorkletNode( + GodotAudio.ctx, + 'godot-processor', + { + 'outputChannelCount': [channels], + } + ); + return Promise.resolve(); + }); + GodotAudio.driver = GodotAudioWorklet; + }, + + start: function (in_buf, out_buf, state) { + GodotAudioWorklet.promise.then(function () { + const node = GodotAudioWorklet.worklet; + node.connect(GodotAudio.ctx.destination); + node.port.postMessage({ + 'cmd': 'start', + 'data': [state, in_buf, out_buf], + }); + node.port.onmessage = function (event) { + GodotRuntime.error(event.data); + }; + }); + }, + + start_no_threads: function (p_out_buf, p_out_size, out_callback, p_in_buf, p_in_size, in_callback) { + function RingBuffer() { + let wpos = 0; + let rpos = 0; + let pending_samples = 0; + const wbuf = new Float32Array(p_out_size); + + function send(port) { + if (pending_samples === 0) { + return; + } + const buffer = GodotRuntime.heapSub(HEAPF32, p_out_buf, p_out_size); + const size = buffer.length; + const tot_sent = pending_samples; + out_callback(wpos, pending_samples); + if (wpos + pending_samples >= size) { + const high = size - wpos; + wbuf.set(buffer.subarray(wpos, size)); + pending_samples -= high; + wpos = 0; + } + if (pending_samples > 0) { + wbuf.set(buffer.subarray(wpos, wpos + pending_samples), tot_sent - pending_samples); + } + port.postMessage({ 'cmd': 'chunk', 'data': wbuf.subarray(0, tot_sent) }); + wpos += pending_samples; + pending_samples = 0; + } + this.receive = function (recv_buf) { + const buffer = GodotRuntime.heapSub(HEAPF32, p_in_buf, p_in_size); + const from = rpos; + let to_write = recv_buf.length; + let high = 0; + if (rpos + to_write >= p_in_size) { + high = p_in_size - rpos; + buffer.set(recv_buf.subarray(0, high), rpos); + to_write -= high; + rpos = 0; + } + if (to_write) { + buffer.set(recv_buf.subarray(high, to_write), rpos); + } + in_callback(from, recv_buf.length); + rpos += to_write; + }; + this.consumed = function (size, port) { + pending_samples += size; + send(port); + }; + } + GodotAudioWorklet.ring_buffer = new RingBuffer(); + GodotAudioWorklet.promise.then(function () { + const node = GodotAudioWorklet.worklet; + const buffer = GodotRuntime.heapSlice(HEAPF32, p_out_buf, p_out_size); + node.connect(GodotAudio.ctx.destination); + node.port.postMessage({ + 'cmd': 'start_nothreads', + 'data': [buffer, p_in_size], + }); + node.port.onmessage = function (event) { + if (!GodotAudioWorklet.worklet) { + return; + } + if (event.data['cmd'] === 'read') { + const read = event.data['data']; + GodotAudioWorklet.ring_buffer.consumed(read, GodotAudioWorklet.worklet.port); + } else if (event.data['cmd'] === 'input') { + const buf = event.data['data']; + if (buf.length > p_in_size) { + GodotRuntime.error('Input chunk is too big'); + return; + } + GodotAudioWorklet.ring_buffer.receive(buf); + } else { + GodotRuntime.error(event.data); + } + }; + }); + }, + + get_node: function () { + return GodotAudioWorklet.worklet; + }, + + close: function () { + return new Promise(function (resolve, reject) { + if (GodotAudioWorklet.promise === null) { + return; + } + GodotAudioWorklet.promise.then(function () { + GodotAudioWorklet.worklet.port.postMessage({ + 'cmd': 'stop', + 'data': null, + }); + GodotAudioWorklet.worklet.disconnect(); + GodotAudioWorklet.worklet = null; + GodotAudioWorklet.promise = null; + resolve(); + }).catch(function (err) { /* aborted? */ }); + }); + }, + }, + + godot_audio_worklet_create__sig: 'ii', + godot_audio_worklet_create: function (channels) { + try { + GodotAudioWorklet.create(channels); + } catch (e) { + GodotRuntime.error('Error starting AudioDriverWorklet', e); + return 1; + } + return 0; + }, + + godot_audio_worklet_start__sig: 'viiiii', + godot_audio_worklet_start: function (p_in_buf, p_in_size, p_out_buf, p_out_size, p_state) { + const out_buffer = GodotRuntime.heapSub(HEAPF32, p_out_buf, p_out_size); + const in_buffer = GodotRuntime.heapSub(HEAPF32, p_in_buf, p_in_size); + const state = GodotRuntime.heapSub(HEAP32, p_state, 4); + GodotAudioWorklet.start(in_buffer, out_buffer, state); + }, + + godot_audio_worklet_start_no_threads__sig: 'viiiiii', + godot_audio_worklet_start_no_threads: function (p_out_buf, p_out_size, p_out_callback, p_in_buf, p_in_size, p_in_callback) { + const out_callback = GodotRuntime.get_func(p_out_callback); + const in_callback = GodotRuntime.get_func(p_in_callback); + GodotAudioWorklet.start_no_threads(p_out_buf, p_out_size, out_callback, p_in_buf, p_in_size, in_callback); + }, + + godot_audio_worklet_state_wait__sig: 'iiii', + godot_audio_worklet_state_wait: function (p_state, p_idx, p_expected, p_timeout) { + Atomics.wait(HEAP32, (p_state >> 2) + p_idx, p_expected, p_timeout); + return Atomics.load(HEAP32, (p_state >> 2) + p_idx); + }, + + godot_audio_worklet_state_add__sig: 'iiii', + godot_audio_worklet_state_add: function (p_state, p_idx, p_value) { + return Atomics.add(HEAP32, (p_state >> 2) + p_idx, p_value); + }, + + godot_audio_worklet_state_get__sig: 'iii', + godot_audio_worklet_state_get: function (p_state, p_idx) { + return Atomics.load(HEAP32, (p_state >> 2) + p_idx); + }, +}; + +autoAddDeps(GodotAudioWorklet, '$GodotAudioWorklet'); +mergeInto(LibraryManager.library, GodotAudioWorklet); + +/* + * The deprecated ScriptProcessorNode API, used when threads are disabled. + */ +const GodotAudioScript = { + $GodotAudioScript__deps: ['$GodotAudio'], + $GodotAudioScript: { + script: null, + + create: function (buffer_length, channel_count) { + GodotAudioScript.script = GodotAudio.ctx.createScriptProcessor(buffer_length, 2, channel_count); + GodotAudio.driver = GodotAudioScript; + return GodotAudioScript.script.bufferSize; + }, + + start: function (p_in_buf, p_in_size, p_out_buf, p_out_size, onprocess) { + GodotAudioScript.script.onaudioprocess = function (event) { + // Read input + const inb = GodotRuntime.heapSub(HEAPF32, p_in_buf, p_in_size); + const input = event.inputBuffer; + if (GodotAudio.input) { + const inlen = input.getChannelData(0).length; + for (let ch = 0; ch < 2; ch++) { + const data = input.getChannelData(ch); + for (let s = 0; s < inlen; s++) { + inb[s * 2 + ch] = data[s]; + } + } + } + + // Let Godot process the input/output. + onprocess(); + + // Write the output. + const outb = GodotRuntime.heapSub(HEAPF32, p_out_buf, p_out_size); + const output = event.outputBuffer; + const channels = output.numberOfChannels; + for (let ch = 0; ch < channels; ch++) { + const data = output.getChannelData(ch); + // Loop through samples and assign computed values. + for (let sample = 0; sample < data.length; sample++) { + data[sample] = outb[sample * channels + ch]; + } + } + }; + GodotAudioScript.script.connect(GodotAudio.ctx.destination); + }, + + get_node: function () { + return GodotAudioScript.script; + }, + + close: function () { + return new Promise(function (resolve, reject) { + GodotAudioScript.script.disconnect(); + GodotAudioScript.script.onaudioprocess = null; + GodotAudioScript.script = null; + resolve(); + }); + }, + }, + + godot_audio_script_create__sig: 'iii', + godot_audio_script_create: function (buffer_length, channel_count) { + const buf_len = GodotRuntime.getHeapValue(buffer_length, 'i32'); + try { + const out_len = GodotAudioScript.create(buf_len, channel_count); + GodotRuntime.setHeapValue(buffer_length, out_len, 'i32'); + } catch (e) { + GodotRuntime.error('Error starting AudioDriverScriptProcessor', e); + return 1; + } + return 0; + }, + + godot_audio_script_start__sig: 'viiiii', + godot_audio_script_start: function (p_in_buf, p_in_size, p_out_buf, p_out_size, p_cb) { + const onprocess = GodotRuntime.get_func(p_cb); + GodotAudioScript.start(p_in_buf, p_in_size, p_out_buf, p_out_size, onprocess); + }, +}; + +autoAddDeps(GodotAudioScript, '$GodotAudioScript'); +mergeInto(LibraryManager.library, GodotAudioScript); diff --git a/platform/web/js/libs/library_godot_display.js b/platform/web/js/libs/library_godot_display.js new file mode 100644 index 0000000000..91cb8e728a --- /dev/null +++ b/platform/web/js/libs/library_godot_display.js @@ -0,0 +1,754 @@ +/*************************************************************************/ +/* library_godot_display.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotDisplayVK = { + + $GodotDisplayVK__deps: ['$GodotRuntime', '$GodotConfig', '$GodotEventListeners'], + $GodotDisplayVK__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayVK.clear(); resolve(); });', + $GodotDisplayVK: { + textinput: null, + textarea: null, + + available: function () { + return GodotConfig.virtual_keyboard && 'ontouchstart' in window; + }, + + init: function (input_cb) { + function create(what) { + const elem = document.createElement(what); + elem.style.display = 'none'; + elem.style.position = 'absolute'; + elem.style.zIndex = '-1'; + elem.style.background = 'transparent'; + elem.style.padding = '0px'; + elem.style.margin = '0px'; + elem.style.overflow = 'hidden'; + elem.style.width = '0px'; + elem.style.height = '0px'; + elem.style.border = '0px'; + elem.style.outline = 'none'; + elem.readonly = true; + elem.disabled = true; + GodotEventListeners.add(elem, 'input', function (evt) { + const c_str = GodotRuntime.allocString(elem.value); + input_cb(c_str, elem.selectionEnd); + GodotRuntime.free(c_str); + }, false); + GodotEventListeners.add(elem, 'blur', function (evt) { + elem.style.display = 'none'; + elem.readonly = true; + elem.disabled = true; + }, false); + GodotConfig.canvas.insertAdjacentElement('beforebegin', elem); + return elem; + } + GodotDisplayVK.textinput = create('input'); + GodotDisplayVK.textarea = create('textarea'); + GodotDisplayVK.updateSize(); + }, + show: function (text, type, start, end) { + if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) { + return; + } + if (GodotDisplayVK.textinput.style.display !== '' || GodotDisplayVK.textarea.style.display !== '') { + GodotDisplayVK.hide(); + } + GodotDisplayVK.updateSize(); + + let elem = GodotDisplayVK.textinput; + switch (type) { + case 0: // KEYBOARD_TYPE_DEFAULT + elem.type = 'text'; + elem.inputmode = ''; + break; + case 1: // KEYBOARD_TYPE_MULTILINE + elem = GodotDisplayVK.textarea; + break; + case 2: // KEYBOARD_TYPE_NUMBER + elem.type = 'text'; + elem.inputmode = 'numeric'; + break; + case 3: // KEYBOARD_TYPE_NUMBER_DECIMAL + elem.type = 'text'; + elem.inputmode = 'decimal'; + break; + case 4: // KEYBOARD_TYPE_PHONE + elem.type = 'tel'; + elem.inputmode = ''; + break; + case 5: // KEYBOARD_TYPE_EMAIL_ADDRESS + elem.type = 'email'; + elem.inputmode = ''; + break; + case 6: // KEYBOARD_TYPE_PASSWORD + elem.type = 'password'; + elem.inputmode = ''; + break; + case 7: // KEYBOARD_TYPE_URL + elem.type = 'url'; + elem.inputmode = ''; + break; + default: + elem.type = 'text'; + elem.inputmode = ''; + break; + } + + elem.readonly = false; + elem.disabled = false; + elem.value = text; + elem.style.display = 'block'; + elem.focus(); + elem.setSelectionRange(start, end); + }, + hide: function () { + if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) { + return; + } + [GodotDisplayVK.textinput, GodotDisplayVK.textarea].forEach(function (elem) { + elem.blur(); + elem.style.display = 'none'; + elem.value = ''; + }); + }, + updateSize: function () { + if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) { + return; + } + const rect = GodotConfig.canvas.getBoundingClientRect(); + function update(elem) { + elem.style.left = `${rect.left}px`; + elem.style.top = `${rect.top}px`; + elem.style.width = `${rect.width}px`; + elem.style.height = `${rect.height}px`; + } + update(GodotDisplayVK.textinput); + update(GodotDisplayVK.textarea); + }, + clear: function () { + if (GodotDisplayVK.textinput) { + GodotDisplayVK.textinput.remove(); + GodotDisplayVK.textinput = null; + } + if (GodotDisplayVK.textarea) { + GodotDisplayVK.textarea.remove(); + GodotDisplayVK.textarea = null; + } + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayVK); + +/* + * Display server cursor helper. + * Keeps track of cursor status and custom shapes. + */ +const GodotDisplayCursor = { + $GodotDisplayCursor__deps: ['$GodotOS', '$GodotConfig'], + $GodotDisplayCursor__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayCursor.clear(); resolve(); });', + $GodotDisplayCursor: { + shape: 'auto', + visible: true, + cursors: {}, + set_style: function (style) { + GodotConfig.canvas.style.cursor = style; + }, + set_shape: function (shape) { + GodotDisplayCursor.shape = shape; + let css = shape; + if (shape in GodotDisplayCursor.cursors) { + const c = GodotDisplayCursor.cursors[shape]; + css = `url("${c.url}") ${c.x} ${c.y}, auto`; + } + if (GodotDisplayCursor.visible) { + GodotDisplayCursor.set_style(css); + } + }, + clear: function () { + GodotDisplayCursor.set_style(''); + GodotDisplayCursor.shape = 'auto'; + GodotDisplayCursor.visible = true; + Object.keys(GodotDisplayCursor.cursors).forEach(function (key) { + URL.revokeObjectURL(GodotDisplayCursor.cursors[key]); + delete GodotDisplayCursor.cursors[key]; + }); + }, + lockPointer: function () { + const canvas = GodotConfig.canvas; + if (canvas.requestPointerLock) { + canvas.requestPointerLock(); + } + }, + releasePointer: function () { + if (document.exitPointerLock) { + document.exitPointerLock(); + } + }, + isPointerLocked: function () { + return document.pointerLockElement === GodotConfig.canvas; + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayCursor); + +const GodotDisplayScreen = { + $GodotDisplayScreen__deps: ['$GodotConfig', '$GodotOS', '$GL', 'emscripten_webgl_get_current_context'], + $GodotDisplayScreen: { + desired_size: [0, 0], + hidpi: true, + getPixelRatio: function () { + return GodotDisplayScreen.hidpi ? window.devicePixelRatio || 1 : 1; + }, + isFullscreen: function () { + const elem = document.fullscreenElement || document.mozFullscreenElement + || document.webkitFullscreenElement || document.msFullscreenElement; + if (elem) { + return elem === GodotConfig.canvas; + } + // But maybe knowing the element is not supported. + return document.fullscreen || document.mozFullScreen + || document.webkitIsFullscreen; + }, + hasFullscreen: function () { + return document.fullscreenEnabled || document.mozFullScreenEnabled + || document.webkitFullscreenEnabled; + }, + requestFullscreen: function () { + if (!GodotDisplayScreen.hasFullscreen()) { + return 1; + } + const canvas = GodotConfig.canvas; + try { + const promise = (canvas.requestFullscreen || canvas.msRequestFullscreen + || canvas.mozRequestFullScreen || canvas.mozRequestFullscreen + || canvas.webkitRequestFullscreen + ).call(canvas); + // Some browsers (Safari) return undefined. + // For the standard ones, we need to catch it. + if (promise) { + promise.catch(function () { + // nothing to do. + }); + } + } catch (e) { + return 1; + } + return 0; + }, + exitFullscreen: function () { + if (!GodotDisplayScreen.isFullscreen()) { + return 0; + } + try { + const promise = document.exitFullscreen(); + if (promise) { + promise.catch(function () { + // nothing to do. + }); + } + } catch (e) { + return 1; + } + return 0; + }, + _updateGL: function () { + const gl_context_handle = _emscripten_webgl_get_current_context(); // eslint-disable-line no-undef + const gl = GL.getContext(gl_context_handle); + if (gl) { + GL.resizeOffscreenFramebuffer(gl); + } + }, + updateSize: function () { + const isFullscreen = GodotDisplayScreen.isFullscreen(); + const wantsFullWindow = GodotConfig.canvas_resize_policy === 2; + const noResize = GodotConfig.canvas_resize_policy === 0; + const wwidth = GodotDisplayScreen.desired_size[0]; + const wheight = GodotDisplayScreen.desired_size[1]; + const canvas = GodotConfig.canvas; + let width = wwidth; + let height = wheight; + if (noResize) { + // Don't resize canvas, just update GL if needed. + if (canvas.width !== width || canvas.height !== height) { + GodotDisplayScreen.desired_size = [canvas.width, canvas.height]; + GodotDisplayScreen._updateGL(); + return 1; + } + return 0; + } + const scale = GodotDisplayScreen.getPixelRatio(); + if (isFullscreen || wantsFullWindow) { + // We need to match screen size. + width = window.innerWidth * scale; + height = window.innerHeight * scale; + } + const csw = `${width / scale}px`; + const csh = `${height / scale}px`; + if (canvas.style.width !== csw || canvas.style.height !== csh || canvas.width !== width || canvas.height !== height) { + // Size doesn't match. + // Resize canvas, set correct CSS pixel size, update GL. + canvas.width = width; + canvas.height = height; + canvas.style.width = csw; + canvas.style.height = csh; + GodotDisplayScreen._updateGL(); + return 1; + } + return 0; + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayScreen); + +/** + * Display server interface. + * + * Exposes all the functions needed by DisplayServer implementation. + */ +const GodotDisplay = { + $GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotEventListeners', '$GodotDisplayScreen', '$GodotDisplayVK'], + $GodotDisplay: { + window_icon: '', + getDPI: function () { + // devicePixelRatio is given in dppx + // https://drafts.csswg.org/css-values/#resolution + // > due to the 1:96 fixed ratio of CSS *in* to CSS *px*, 1dppx is equivalent to 96dpi. + const dpi = Math.round(window.devicePixelRatio * 96); + return dpi >= 96 ? dpi : 96; + }, + }, + + godot_js_display_is_swap_ok_cancel__sig: 'i', + godot_js_display_is_swap_ok_cancel: function () { + const win = (['Windows', 'Win64', 'Win32', 'WinCE']); + const plat = navigator.platform || ''; + if (win.indexOf(plat) !== -1) { + return 1; + } + return 0; + }, + + godot_js_tts_is_speaking__sig: 'i', + godot_js_tts_is_speaking: function () { + return window.speechSynthesis.speaking; + }, + + godot_js_tts_is_paused__sig: 'i', + godot_js_tts_is_paused: function () { + return window.speechSynthesis.paused; + }, + + godot_js_tts_get_voices__sig: 'vi', + godot_js_tts_get_voices: function (p_callback) { + const func = GodotRuntime.get_func(p_callback); + try { + const arr = []; + const voices = window.speechSynthesis.getVoices(); + for (let i = 0; i < voices.length; i++) { + arr.push(`${voices[i].lang};${voices[i].name}`); + } + const c_ptr = GodotRuntime.allocStringArray(arr); + func(arr.length, c_ptr); + GodotRuntime.freeStringArray(c_ptr, arr.length); + } catch (e) { + // Fail graciously. + } + }, + + godot_js_tts_speak__sig: 'viiiffii', + godot_js_tts_speak: function (p_text, p_voice, p_volume, p_pitch, p_rate, p_utterance_id, p_callback) { + const func = GodotRuntime.get_func(p_callback); + + function listener_end(evt) { + evt.currentTarget.cb(1 /*TTS_UTTERANCE_ENDED*/, evt.currentTarget.id, 0); + } + + function listener_start(evt) { + evt.currentTarget.cb(0 /*TTS_UTTERANCE_STARTED*/, evt.currentTarget.id, 0); + } + + function listener_error(evt) { + evt.currentTarget.cb(2 /*TTS_UTTERANCE_CANCELED*/, evt.currentTarget.id, 0); + } + + function listener_bound(evt) { + evt.currentTarget.cb(3 /*TTS_UTTERANCE_BOUNDARY*/, evt.currentTarget.id, evt.charIndex); + } + + const utterance = new SpeechSynthesisUtterance(GodotRuntime.parseString(p_text)); + utterance.rate = p_rate; + utterance.pitch = p_pitch; + utterance.volume = p_volume / 100.0; + utterance.addEventListener('end', listener_end); + utterance.addEventListener('start', listener_start); + utterance.addEventListener('error', listener_error); + utterance.addEventListener('boundary', listener_bound); + utterance.id = p_utterance_id; + utterance.cb = func; + const voice = GodotRuntime.parseString(p_voice); + const voices = window.speechSynthesis.getVoices(); + for (let i = 0; i < voices.length; i++) { + if (voices[i].name === voice) { + utterance.voice = voices[i]; + break; + } + } + window.speechSynthesis.resume(); + window.speechSynthesis.speak(utterance); + }, + + godot_js_tts_pause__sig: 'v', + godot_js_tts_pause: function () { + window.speechSynthesis.pause(); + }, + + godot_js_tts_resume__sig: 'v', + godot_js_tts_resume: function () { + window.speechSynthesis.resume(); + }, + + godot_js_tts_stop__sig: 'v', + godot_js_tts_stop: function () { + window.speechSynthesis.cancel(); + window.speechSynthesis.resume(); + }, + + godot_js_display_alert__sig: 'vi', + godot_js_display_alert: function (p_text) { + window.alert(GodotRuntime.parseString(p_text)); // eslint-disable-line no-alert + }, + + godot_js_display_screen_dpi_get__sig: 'i', + godot_js_display_screen_dpi_get: function () { + return GodotDisplay.getDPI(); + }, + + godot_js_display_pixel_ratio_get__sig: 'f', + godot_js_display_pixel_ratio_get: function () { + return GodotDisplayScreen.getPixelRatio(); + }, + + godot_js_display_fullscreen_request__sig: 'i', + godot_js_display_fullscreen_request: function () { + return GodotDisplayScreen.requestFullscreen(); + }, + + godot_js_display_fullscreen_exit__sig: 'i', + godot_js_display_fullscreen_exit: function () { + return GodotDisplayScreen.exitFullscreen(); + }, + + godot_js_display_desired_size_set__sig: 'vii', + godot_js_display_desired_size_set: function (width, height) { + GodotDisplayScreen.desired_size = [width, height]; + GodotDisplayScreen.updateSize(); + }, + + godot_js_display_size_update__sig: 'i', + godot_js_display_size_update: function () { + const updated = GodotDisplayScreen.updateSize(); + if (updated) { + GodotDisplayVK.updateSize(); + } + return updated; + }, + + godot_js_display_screen_size_get__sig: 'vii', + godot_js_display_screen_size_get: function (width, height) { + const scale = GodotDisplayScreen.getPixelRatio(); + GodotRuntime.setHeapValue(width, window.screen.width * scale, 'i32'); + GodotRuntime.setHeapValue(height, window.screen.height * scale, 'i32'); + }, + + godot_js_display_window_size_get__sig: 'vii', + godot_js_display_window_size_get: function (p_width, p_height) { + GodotRuntime.setHeapValue(p_width, GodotConfig.canvas.width, 'i32'); + GodotRuntime.setHeapValue(p_height, GodotConfig.canvas.height, 'i32'); + }, + + godot_js_display_has_webgl__sig: 'ii', + godot_js_display_has_webgl: function (p_version) { + if (p_version !== 1 && p_version !== 2) { + return false; + } + try { + return !!document.createElement('canvas').getContext(p_version === 2 ? 'webgl2' : 'webgl'); + } catch (e) { /* Not available */ } + return false; + }, + + /* + * Canvas + */ + godot_js_display_canvas_focus__sig: 'v', + godot_js_display_canvas_focus: function () { + GodotConfig.canvas.focus(); + }, + + godot_js_display_canvas_is_focused__sig: 'i', + godot_js_display_canvas_is_focused: function () { + return document.activeElement === GodotConfig.canvas; + }, + + /* + * Touchscreen + */ + godot_js_display_touchscreen_is_available__sig: 'i', + godot_js_display_touchscreen_is_available: function () { + return 'ontouchstart' in window; + }, + + /* + * Clipboard + */ + godot_js_display_clipboard_set__sig: 'ii', + godot_js_display_clipboard_set: function (p_text) { + const text = GodotRuntime.parseString(p_text); + if (!navigator.clipboard || !navigator.clipboard.writeText) { + return 1; + } + navigator.clipboard.writeText(text).catch(function (e) { + // Setting OS clipboard is only possible from an input callback. + GodotRuntime.error('Setting OS clipboard is only possible from an input callback for the Web plafrom. Exception:', e); + }); + return 0; + }, + + godot_js_display_clipboard_get__sig: 'ii', + godot_js_display_clipboard_get: function (callback) { + const func = GodotRuntime.get_func(callback); + try { + navigator.clipboard.readText().then(function (result) { + const ptr = GodotRuntime.allocString(result); + func(ptr); + GodotRuntime.free(ptr); + }).catch(function (e) { + // Fail graciously. + }); + } catch (e) { + // Fail graciously. + } + }, + + /* + * Window + */ + godot_js_display_window_title_set__sig: 'vi', + godot_js_display_window_title_set: function (p_data) { + document.title = GodotRuntime.parseString(p_data); + }, + + godot_js_display_window_icon_set__sig: 'vii', + godot_js_display_window_icon_set: function (p_ptr, p_len) { + let link = document.getElementById('-gd-engine-icon'); + if (link === null) { + link = document.createElement('link'); + link.rel = 'icon'; + link.id = '-gd-engine-icon'; + document.head.appendChild(link); + } + const old_icon = GodotDisplay.window_icon; + const png = new Blob([GodotRuntime.heapSlice(HEAPU8, p_ptr, p_len)], { type: 'image/png' }); + GodotDisplay.window_icon = URL.createObjectURL(png); + link.href = GodotDisplay.window_icon; + if (old_icon) { + URL.revokeObjectURL(old_icon); + } + }, + + /* + * Cursor + */ + godot_js_display_cursor_set_visible__sig: 'vi', + godot_js_display_cursor_set_visible: function (p_visible) { + const visible = p_visible !== 0; + if (visible === GodotDisplayCursor.visible) { + return; + } + GodotDisplayCursor.visible = visible; + if (visible) { + GodotDisplayCursor.set_shape(GodotDisplayCursor.shape); + } else { + GodotDisplayCursor.set_style('none'); + } + }, + + godot_js_display_cursor_is_hidden__sig: 'i', + godot_js_display_cursor_is_hidden: function () { + return !GodotDisplayCursor.visible; + }, + + godot_js_display_cursor_set_shape__sig: 'vi', + godot_js_display_cursor_set_shape: function (p_string) { + GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string)); + }, + + godot_js_display_cursor_set_custom_shape__sig: 'viiiii', + godot_js_display_cursor_set_custom_shape: function (p_shape, p_ptr, p_len, p_hotspot_x, p_hotspot_y) { + const shape = GodotRuntime.parseString(p_shape); + const old_shape = GodotDisplayCursor.cursors[shape]; + if (p_len > 0) { + const png = new Blob([GodotRuntime.heapSlice(HEAPU8, p_ptr, p_len)], { type: 'image/png' }); + const url = URL.createObjectURL(png); + GodotDisplayCursor.cursors[shape] = { + url: url, + x: p_hotspot_x, + y: p_hotspot_y, + }; + } else { + delete GodotDisplayCursor.cursors[shape]; + } + if (shape === GodotDisplayCursor.shape) { + GodotDisplayCursor.set_shape(GodotDisplayCursor.shape); + } + if (old_shape) { + URL.revokeObjectURL(old_shape.url); + } + }, + + godot_js_display_cursor_lock_set__sig: 'vi', + godot_js_display_cursor_lock_set: function (p_lock) { + if (p_lock) { + GodotDisplayCursor.lockPointer(); + } else { + GodotDisplayCursor.releasePointer(); + } + }, + + godot_js_display_cursor_is_locked__sig: 'i', + godot_js_display_cursor_is_locked: function () { + return GodotDisplayCursor.isPointerLocked() ? 1 : 0; + }, + + /* + * Listeners + */ + godot_js_display_fullscreen_cb__sig: 'vi', + godot_js_display_fullscreen_cb: function (callback) { + const canvas = GodotConfig.canvas; + const func = GodotRuntime.get_func(callback); + function change_cb(evt) { + if (evt.target === canvas) { + func(GodotDisplayScreen.isFullscreen()); + } + } + GodotEventListeners.add(document, 'fullscreenchange', change_cb, false); + GodotEventListeners.add(document, 'mozfullscreenchange', change_cb, false); + GodotEventListeners.add(document, 'webkitfullscreenchange', change_cb, false); + }, + + godot_js_display_window_blur_cb__sig: 'vi', + godot_js_display_window_blur_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + GodotEventListeners.add(window, 'blur', function () { + func(); + }, false); + }, + + godot_js_display_notification_cb__sig: 'viiiii', + godot_js_display_notification_cb: function (callback, p_enter, p_exit, p_in, p_out) { + const canvas = GodotConfig.canvas; + const func = GodotRuntime.get_func(callback); + const notif = [p_enter, p_exit, p_in, p_out]; + ['mouseover', 'mouseleave', 'focus', 'blur'].forEach(function (evt_name, idx) { + GodotEventListeners.add(canvas, evt_name, function () { + func(notif[idx]); + }, true); + }); + }, + + godot_js_display_setup_canvas__sig: 'viiii', + godot_js_display_setup_canvas: function (p_width, p_height, p_fullscreen, p_hidpi) { + const canvas = GodotConfig.canvas; + GodotEventListeners.add(canvas, 'contextmenu', function (ev) { + ev.preventDefault(); + }, false); + GodotEventListeners.add(canvas, 'webglcontextlost', function (ev) { + alert('WebGL context lost, please reload the page'); // eslint-disable-line no-alert + ev.preventDefault(); + }, false); + GodotDisplayScreen.hidpi = !!p_hidpi; + switch (GodotConfig.canvas_resize_policy) { + case 0: // None + GodotDisplayScreen.desired_size = [canvas.width, canvas.height]; + break; + case 1: // Project + GodotDisplayScreen.desired_size = [p_width, p_height]; + break; + default: // Full window + // Ensure we display in the right place, the size will be handled by updateSize + canvas.style.position = 'absolute'; + canvas.style.top = 0; + canvas.style.left = 0; + break; + } + GodotDisplayScreen.updateSize(); + if (p_fullscreen) { + GodotDisplayScreen.requestFullscreen(); + } + }, + + /* + * Virtual Keyboard + */ + godot_js_display_vk_show__sig: 'viiii', + godot_js_display_vk_show: function (p_text, p_type, p_start, p_end) { + const text = GodotRuntime.parseString(p_text); + const start = p_start > 0 ? p_start : 0; + const end = p_end > 0 ? p_end : start; + GodotDisplayVK.show(text, p_type, start, end); + }, + + godot_js_display_vk_hide__sig: 'v', + godot_js_display_vk_hide: function () { + GodotDisplayVK.hide(); + }, + + godot_js_display_vk_available__sig: 'i', + godot_js_display_vk_available: function () { + return GodotDisplayVK.available(); + }, + + godot_js_display_tts_available__sig: 'i', + godot_js_display_tts_available: function () { + return 'speechSynthesis' in window; + }, + + godot_js_display_vk_cb__sig: 'vi', + godot_js_display_vk_cb: function (p_input_cb) { + const input_cb = GodotRuntime.get_func(p_input_cb); + if (GodotDisplayVK.available()) { + GodotDisplayVK.init(input_cb); + } + }, +}; + +autoAddDeps(GodotDisplay, '$GodotDisplay'); +mergeInto(LibraryManager.library, GodotDisplay); diff --git a/platform/web/js/libs/library_godot_fetch.js b/platform/web/js/libs/library_godot_fetch.js new file mode 100644 index 0000000000..285e50a035 --- /dev/null +++ b/platform/web/js/libs/library_godot_fetch.js @@ -0,0 +1,247 @@ +/*************************************************************************/ +/* library_godot_fetch.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotFetch = { + $GodotFetch__deps: ['$IDHandler', '$GodotRuntime'], + $GodotFetch: { + + onread: function (id, result) { + const obj = IDHandler.get(id); + if (!obj) { + return; + } + if (result.value) { + obj.chunks.push(result.value); + } + obj.reading = false; + obj.done = result.done; + }, + + onresponse: function (id, response) { + const obj = IDHandler.get(id); + if (!obj) { + return; + } + let chunked = false; + response.headers.forEach(function (value, header) { + const v = value.toLowerCase().trim(); + const h = header.toLowerCase().trim(); + if (h === 'transfer-encoding' && v === 'chunked') { + chunked = true; + } + }); + obj.status = response.status; + obj.response = response; + obj.reader = response.body.getReader(); + obj.chunked = chunked; + }, + + onerror: function (id, err) { + GodotRuntime.error(err); + const obj = IDHandler.get(id); + if (!obj) { + return; + } + obj.error = err; + }, + + create: function (method, url, headers, body) { + const obj = { + request: null, + response: null, + reader: null, + error: null, + done: false, + reading: false, + status: 0, + chunks: [], + bodySize: -1, + }; + const id = IDHandler.add(obj); + const init = { + method: method, + headers: headers, + body: body, + }; + obj.request = fetch(url, init); + obj.request.then(GodotFetch.onresponse.bind(null, id)).catch(GodotFetch.onerror.bind(null, id)); + return id; + }, + + free: function (id) { + const obj = IDHandler.get(id); + if (!obj) { + return; + } + IDHandler.remove(id); + if (!obj.request) { + return; + } + // Try to abort + obj.request.then(function (response) { + response.abort(); + }).catch(function (e) { /* nothing to do */ }); + }, + + read: function (id) { + const obj = IDHandler.get(id); + if (!obj) { + return; + } + if (obj.reader && !obj.reading) { + if (obj.done) { + obj.reader = null; + return; + } + obj.reading = true; + obj.reader.read().then(GodotFetch.onread.bind(null, id)).catch(GodotFetch.onerror.bind(null, id)); + } + }, + }, + + godot_js_fetch_create__sig: 'iiiiiii', + godot_js_fetch_create: function (p_method, p_url, p_headers, p_headers_size, p_body, p_body_size) { + const method = GodotRuntime.parseString(p_method); + const url = GodotRuntime.parseString(p_url); + const headers = GodotRuntime.parseStringArray(p_headers, p_headers_size); + const body = p_body_size ? GodotRuntime.heapSlice(HEAP8, p_body, p_body_size) : null; + return GodotFetch.create(method, url, headers.map(function (hv) { + const idx = hv.indexOf(':'); + if (idx <= 0) { + return []; + } + return [ + hv.slice(0, idx).trim(), + hv.slice(idx + 1).trim(), + ]; + }).filter(function (v) { + return v.length === 2; + }), body); + }, + + godot_js_fetch_state_get__sig: 'ii', + godot_js_fetch_state_get: function (p_id) { + const obj = IDHandler.get(p_id); + if (!obj) { + return -1; + } + if (obj.error) { + return -1; + } + if (!obj.response) { + return 0; + } + if (obj.reader) { + return 1; + } + if (obj.done) { + return 2; + } + return -1; + }, + + godot_js_fetch_http_status_get__sig: 'ii', + godot_js_fetch_http_status_get: function (p_id) { + const obj = IDHandler.get(p_id); + if (!obj || !obj.response) { + return 0; + } + return obj.status; + }, + + godot_js_fetch_read_headers__sig: 'iiii', + godot_js_fetch_read_headers: function (p_id, p_parse_cb, p_ref) { + const obj = IDHandler.get(p_id); + if (!obj || !obj.response) { + return 1; + } + const cb = GodotRuntime.get_func(p_parse_cb); + const arr = []; + obj.response.headers.forEach(function (v, h) { + arr.push(`${h}:${v}`); + }); + const c_ptr = GodotRuntime.allocStringArray(arr); + cb(arr.length, c_ptr, p_ref); + GodotRuntime.freeStringArray(c_ptr, arr.length); + return 0; + }, + + godot_js_fetch_read_chunk__sig: 'iiii', + godot_js_fetch_read_chunk: function (p_id, p_buf, p_buf_size) { + const obj = IDHandler.get(p_id); + if (!obj || !obj.response) { + return 0; + } + let to_read = p_buf_size; + const chunks = obj.chunks; + while (to_read && chunks.length) { + const chunk = obj.chunks[0]; + if (chunk.length > to_read) { + GodotRuntime.heapCopy(HEAP8, chunk.slice(0, to_read), p_buf); + chunks[0] = chunk.slice(to_read); + to_read = 0; + } else { + GodotRuntime.heapCopy(HEAP8, chunk, p_buf); + to_read -= chunk.length; + chunks.pop(); + } + } + if (!chunks.length) { + GodotFetch.read(p_id); + } + return p_buf_size - to_read; + }, + + godot_js_fetch_body_length_get__sig: 'ii', + godot_js_fetch_body_length_get: function (p_id) { + const obj = IDHandler.get(p_id); + if (!obj || !obj.response) { + return -1; + } + return obj.bodySize; + }, + + godot_js_fetch_is_chunked__sig: 'ii', + godot_js_fetch_is_chunked: function (p_id) { + const obj = IDHandler.get(p_id); + if (!obj || !obj.response) { + return -1; + } + return obj.chunked ? 1 : 0; + }, + + godot_js_fetch_free__sig: 'vi', + godot_js_fetch_free: function (id) { + GodotFetch.free(id); + }, +}; + +autoAddDeps(GodotFetch, '$GodotFetch'); +mergeInto(LibraryManager.library, GodotFetch); diff --git a/platform/web/js/libs/library_godot_input.js b/platform/web/js/libs/library_godot_input.js new file mode 100644 index 0000000000..51571d64a2 --- /dev/null +++ b/platform/web/js/libs/library_godot_input.js @@ -0,0 +1,549 @@ +/*************************************************************************/ +/* library_godot_input.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +/* + * Gamepad API helper. + */ +const GodotInputGamepads = { + $GodotInputGamepads__deps: ['$GodotRuntime', '$GodotEventListeners'], + $GodotInputGamepads: { + samples: [], + + get_pads: function () { + try { + // Will throw in iframe when permission is denied. + // Will throw/warn in the future for insecure contexts. + // See https://github.com/w3c/gamepad/pull/120 + const pads = navigator.getGamepads(); + if (pads) { + return pads; + } + return []; + } catch (e) { + return []; + } + }, + + get_samples: function () { + return GodotInputGamepads.samples; + }, + + get_sample: function (index) { + const samples = GodotInputGamepads.samples; + return index < samples.length ? samples[index] : null; + }, + + sample: function () { + const pads = GodotInputGamepads.get_pads(); + const samples = []; + for (let i = 0; i < pads.length; i++) { + const pad = pads[i]; + if (!pad) { + samples.push(null); + continue; + } + const s = { + standard: pad.mapping === 'standard', + buttons: [], + axes: [], + connected: pad.connected, + }; + for (let b = 0; b < pad.buttons.length; b++) { + s.buttons.push(pad.buttons[b].value); + } + for (let a = 0; a < pad.axes.length; a++) { + s.axes.push(pad.axes[a]); + } + samples.push(s); + } + GodotInputGamepads.samples = samples; + }, + + init: function (onchange) { + GodotInputGamepads.samples = []; + function add(pad) { + const guid = GodotInputGamepads.get_guid(pad); + const c_id = GodotRuntime.allocString(pad.id); + const c_guid = GodotRuntime.allocString(guid); + onchange(pad.index, 1, c_id, c_guid); + GodotRuntime.free(c_id); + GodotRuntime.free(c_guid); + } + const pads = GodotInputGamepads.get_pads(); + for (let i = 0; i < pads.length; i++) { + // Might be reserved space. + if (pads[i]) { + add(pads[i]); + } + } + GodotEventListeners.add(window, 'gamepadconnected', function (evt) { + if (evt.gamepad) { + add(evt.gamepad); + } + }, false); + GodotEventListeners.add(window, 'gamepaddisconnected', function (evt) { + if (evt.gamepad) { + onchange(evt.gamepad.index, 0); + } + }, false); + }, + + get_guid: function (pad) { + if (pad.mapping) { + return pad.mapping; + } + const ua = navigator.userAgent; + let os = 'Unknown'; + if (ua.indexOf('Android') >= 0) { + os = 'Android'; + } else if (ua.indexOf('Linux') >= 0) { + os = 'Linux'; + } else if (ua.indexOf('iPhone') >= 0) { + os = 'iOS'; + } else if (ua.indexOf('Macintosh') >= 0) { + // Updated iPads will fall into this category. + os = 'MacOSX'; + } else if (ua.indexOf('Windows') >= 0) { + os = 'Windows'; + } + + const id = pad.id; + // Chrom* style: NAME (Vendor: xxxx Product: xxxx) + const exp1 = /vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i; + // Firefox/Safari style (safari may remove leading zeores) + const exp2 = /^([0-9a-f]+)-([0-9a-f]+)-/i; + let vendor = ''; + let product = ''; + if (exp1.test(id)) { + const match = exp1.exec(id); + vendor = match[1].padStart(4, '0'); + product = match[2].padStart(4, '0'); + } else if (exp2.test(id)) { + const match = exp2.exec(id); + vendor = match[1].padStart(4, '0'); + product = match[2].padStart(4, '0'); + } + if (!vendor || !product) { + return `${os}Unknown`; + } + return os + vendor + product; + }, + }, +}; +mergeInto(LibraryManager.library, GodotInputGamepads); + +/* + * Drag and drop helper. + * This is pretty big, but basically detect dropped files on GodotConfig.canvas, + * process them one by one (recursively for directories), and copies them to + * the temporary FS path '/tmp/drop-[random]/' so it can be emitted as a godot + * event (that requires a string array of paths). + * + * NOTE: The temporary files are removed after the callback. This means that + * deferred callbacks won't be able to access the files. + */ +const GodotInputDragDrop = { + $GodotInputDragDrop__deps: ['$FS', '$GodotFS'], + $GodotInputDragDrop: { + promises: [], + pending_files: [], + + add_entry: function (entry) { + if (entry.isDirectory) { + GodotInputDragDrop.add_dir(entry); + } else if (entry.isFile) { + GodotInputDragDrop.add_file(entry); + } else { + GodotRuntime.error('Unrecognized entry...', entry); + } + }, + + add_dir: function (entry) { + GodotInputDragDrop.promises.push(new Promise(function (resolve, reject) { + const reader = entry.createReader(); + reader.readEntries(function (entries) { + for (let i = 0; i < entries.length; i++) { + GodotInputDragDrop.add_entry(entries[i]); + } + resolve(); + }); + })); + }, + + add_file: function (entry) { + GodotInputDragDrop.promises.push(new Promise(function (resolve, reject) { + entry.file(function (file) { + const reader = new FileReader(); + reader.onload = function () { + const f = { + 'path': file.relativePath || file.webkitRelativePath, + 'name': file.name, + 'type': file.type, + 'size': file.size, + 'data': reader.result, + }; + if (!f['path']) { + f['path'] = f['name']; + } + GodotInputDragDrop.pending_files.push(f); + resolve(); + }; + reader.onerror = function () { + GodotRuntime.print('Error reading file'); + reject(); + }; + reader.readAsArrayBuffer(file); + }, function (err) { + GodotRuntime.print('Error!'); + reject(); + }); + })); + }, + + process: function (resolve, reject) { + if (GodotInputDragDrop.promises.length === 0) { + resolve(); + return; + } + GodotInputDragDrop.promises.pop().then(function () { + setTimeout(function () { + GodotInputDragDrop.process(resolve, reject); + }, 0); + }); + }, + + _process_event: function (ev, callback) { + ev.preventDefault(); + if (ev.dataTransfer.items) { + // Use DataTransferItemList interface to access the file(s) + for (let i = 0; i < ev.dataTransfer.items.length; i++) { + const item = ev.dataTransfer.items[i]; + let entry = null; + if ('getAsEntry' in item) { + entry = item.getAsEntry(); + } else if ('webkitGetAsEntry' in item) { + entry = item.webkitGetAsEntry(); + } + if (entry) { + GodotInputDragDrop.add_entry(entry); + } + } + } else { + GodotRuntime.error('File upload not supported'); + } + new Promise(GodotInputDragDrop.process).then(function () { + const DROP = `/tmp/drop-${parseInt(Math.random() * (1 << 30), 10)}/`; + const drops = []; + const files = []; + FS.mkdir(DROP.slice(0, -1)); // Without trailing slash + GodotInputDragDrop.pending_files.forEach((elem) => { + const path = elem['path']; + GodotFS.copy_to_fs(DROP + path, elem['data']); + let idx = path.indexOf('/'); + if (idx === -1) { + // Root file + drops.push(DROP + path); + } else { + // Subdir + const sub = path.substr(0, idx); + idx = sub.indexOf('/'); + if (idx < 0 && drops.indexOf(DROP + sub) === -1) { + drops.push(DROP + sub); + } + } + files.push(DROP + path); + }); + GodotInputDragDrop.promises = []; + GodotInputDragDrop.pending_files = []; + callback(drops); + if (GodotConfig.persistent_drops) { + // Delay removal at exit. + GodotOS.atexit(function (resolve, reject) { + GodotInputDragDrop.remove_drop(files, DROP); + resolve(); + }); + } else { + GodotInputDragDrop.remove_drop(files, DROP); + } + }); + }, + + remove_drop: function (files, drop_path) { + const dirs = [drop_path.substr(0, drop_path.length - 1)]; + // Remove temporary files + files.forEach(function (file) { + FS.unlink(file); + let dir = file.replace(drop_path, ''); + let idx = dir.lastIndexOf('/'); + while (idx > 0) { + dir = dir.substr(0, idx); + if (dirs.indexOf(drop_path + dir) === -1) { + dirs.push(drop_path + dir); + } + idx = dir.lastIndexOf('/'); + } + }); + // Remove dirs. + dirs.sort(function (a, b) { + const al = (a.match(/\//g) || []).length; + const bl = (b.match(/\//g) || []).length; + if (al > bl) { + return -1; + } else if (al < bl) { + return 1; + } + return 0; + }).forEach(function (dir) { + FS.rmdir(dir); + }); + }, + + handler: function (callback) { + return function (ev) { + GodotInputDragDrop._process_event(ev, callback); + }; + }, + }, +}; +mergeInto(LibraryManager.library, GodotInputDragDrop); + +/* + * Godot exposed input functions. + */ +const GodotInput = { + $GodotInput__deps: ['$GodotRuntime', '$GodotConfig', '$GodotEventListeners', '$GodotInputGamepads', '$GodotInputDragDrop'], + $GodotInput: { + getModifiers: function (evt) { + return (evt.shiftKey + 0) + ((evt.altKey + 0) << 1) + ((evt.ctrlKey + 0) << 2) + ((evt.metaKey + 0) << 3); + }, + computePosition: function (evt, rect) { + const canvas = GodotConfig.canvas; + const rw = canvas.width / rect.width; + const rh = canvas.height / rect.height; + const x = (evt.clientX - rect.x) * rw; + const y = (evt.clientY - rect.y) * rh; + return [x, y]; + }, + }, + + /* + * Mouse API + */ + godot_js_input_mouse_move_cb__sig: 'vi', + godot_js_input_mouse_move_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + const canvas = GodotConfig.canvas; + function move_cb(evt) { + const rect = canvas.getBoundingClientRect(); + const pos = GodotInput.computePosition(evt, rect); + // Scale movement + const rw = canvas.width / rect.width; + const rh = canvas.height / rect.height; + const rel_pos_x = evt.movementX * rw; + const rel_pos_y = evt.movementY * rh; + const modifiers = GodotInput.getModifiers(evt); + func(pos[0], pos[1], rel_pos_x, rel_pos_y, modifiers); + } + GodotEventListeners.add(window, 'mousemove', move_cb, false); + }, + + godot_js_input_mouse_wheel_cb__sig: 'vi', + godot_js_input_mouse_wheel_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + function wheel_cb(evt) { + if (func(evt['deltaX'] || 0, evt['deltaY'] || 0)) { + evt.preventDefault(); + } + } + GodotEventListeners.add(GodotConfig.canvas, 'wheel', wheel_cb, false); + }, + + godot_js_input_mouse_button_cb__sig: 'vi', + godot_js_input_mouse_button_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + const canvas = GodotConfig.canvas; + function button_cb(p_pressed, evt) { + const rect = canvas.getBoundingClientRect(); + const pos = GodotInput.computePosition(evt, rect); + const modifiers = GodotInput.getModifiers(evt); + // Since the event is consumed, focus manually. + // NOTE: The iframe container may not have focus yet, so focus even when already active. + if (p_pressed) { + GodotConfig.canvas.focus(); + } + if (func(p_pressed, evt.button, pos[0], pos[1], modifiers)) { + evt.preventDefault(); + } + } + GodotEventListeners.add(canvas, 'mousedown', button_cb.bind(null, 1), false); + GodotEventListeners.add(window, 'mouseup', button_cb.bind(null, 0), false); + }, + + /* + * Touch API + */ + godot_js_input_touch_cb__sig: 'viii', + godot_js_input_touch_cb: function (callback, ids, coords) { + const func = GodotRuntime.get_func(callback); + const canvas = GodotConfig.canvas; + function touch_cb(type, evt) { + // Since the event is consumed, focus manually. + // NOTE: The iframe container may not have focus yet, so focus even when already active. + if (type === 0) { + GodotConfig.canvas.focus(); + } + const rect = canvas.getBoundingClientRect(); + const touches = evt.changedTouches; + for (let i = 0; i < touches.length; i++) { + const touch = touches[i]; + const pos = GodotInput.computePosition(touch, rect); + GodotRuntime.setHeapValue(coords + (i * 2) * 8, pos[0], 'double'); + GodotRuntime.setHeapValue(coords + (i * 2 + 1) * 8, pos[1], 'double'); + GodotRuntime.setHeapValue(ids + i * 4, touch.identifier, 'i32'); + } + func(type, touches.length); + if (evt.cancelable) { + evt.preventDefault(); + } + } + GodotEventListeners.add(canvas, 'touchstart', touch_cb.bind(null, 0), false); + GodotEventListeners.add(canvas, 'touchend', touch_cb.bind(null, 1), false); + GodotEventListeners.add(canvas, 'touchcancel', touch_cb.bind(null, 1), false); + GodotEventListeners.add(canvas, 'touchmove', touch_cb.bind(null, 2), false); + }, + + /* + * Key API + */ + godot_js_input_key_cb__sig: 'viii', + godot_js_input_key_cb: function (callback, code, key) { + const func = GodotRuntime.get_func(callback); + function key_cb(pressed, evt) { + const modifiers = GodotInput.getModifiers(evt); + GodotRuntime.stringToHeap(evt.code, code, 32); + GodotRuntime.stringToHeap(evt.key, key, 32); + func(pressed, evt.repeat, modifiers); + evt.preventDefault(); + } + GodotEventListeners.add(GodotConfig.canvas, 'keydown', key_cb.bind(null, 1), false); + GodotEventListeners.add(GodotConfig.canvas, 'keyup', key_cb.bind(null, 0), false); + }, + + /* + * Gamepad API + */ + godot_js_input_gamepad_cb__sig: 'vi', + godot_js_input_gamepad_cb: function (change_cb) { + const onchange = GodotRuntime.get_func(change_cb); + GodotInputGamepads.init(onchange); + }, + + godot_js_input_gamepad_sample_count__sig: 'i', + godot_js_input_gamepad_sample_count: function () { + return GodotInputGamepads.get_samples().length; + }, + + godot_js_input_gamepad_sample__sig: 'i', + godot_js_input_gamepad_sample: function () { + GodotInputGamepads.sample(); + return 0; + }, + + godot_js_input_gamepad_sample_get__sig: 'iiiiiii', + godot_js_input_gamepad_sample_get: function (p_index, r_btns, r_btns_num, r_axes, r_axes_num, r_standard) { + const sample = GodotInputGamepads.get_sample(p_index); + if (!sample || !sample.connected) { + return 1; + } + const btns = sample.buttons; + const btns_len = btns.length < 16 ? btns.length : 16; + for (let i = 0; i < btns_len; i++) { + GodotRuntime.setHeapValue(r_btns + (i << 2), btns[i], 'float'); + } + GodotRuntime.setHeapValue(r_btns_num, btns_len, 'i32'); + const axes = sample.axes; + const axes_len = axes.length < 10 ? axes.length : 10; + for (let i = 0; i < axes_len; i++) { + GodotRuntime.setHeapValue(r_axes + (i << 2), axes[i], 'float'); + } + GodotRuntime.setHeapValue(r_axes_num, axes_len, 'i32'); + const is_standard = sample.standard ? 1 : 0; + GodotRuntime.setHeapValue(r_standard, is_standard, 'i32'); + return 0; + }, + + /* + * Drag/Drop API + */ + godot_js_input_drop_files_cb__sig: 'vi', + godot_js_input_drop_files_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + const dropFiles = function (files) { + const args = files || []; + if (!args.length) { + return; + } + const argc = args.length; + const argv = GodotRuntime.allocStringArray(args); + func(argv, argc); + GodotRuntime.freeStringArray(argv, argc); + }; + const canvas = GodotConfig.canvas; + GodotEventListeners.add(canvas, 'dragover', function (ev) { + // Prevent default behavior (which would try to open the file(s)) + ev.preventDefault(); + }, false); + GodotEventListeners.add(canvas, 'drop', GodotInputDragDrop.handler(dropFiles)); + }, + + /* Paste API */ + godot_js_input_paste_cb__sig: 'vi', + godot_js_input_paste_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + GodotEventListeners.add(window, 'paste', function (evt) { + const text = evt.clipboardData.getData('text'); + const ptr = GodotRuntime.allocString(text); + func(ptr); + GodotRuntime.free(ptr); + }, false); + }, + + godot_js_input_vibrate_handheld__sig: 'vi', + godot_js_input_vibrate_handheld: function (p_duration_ms) { + if (typeof navigator.vibrate !== 'function') { + GodotRuntime.print('This browser does not support vibration.'); + } else { + navigator.vibrate(p_duration_ms); + } + }, +}; + +autoAddDeps(GodotInput, '$GodotInput'); +mergeInto(LibraryManager.library, GodotInput); diff --git a/platform/web/js/libs/library_godot_javascript_singleton.js b/platform/web/js/libs/library_godot_javascript_singleton.js new file mode 100644 index 0000000000..692f27676a --- /dev/null +++ b/platform/web/js/libs/library_godot_javascript_singleton.js @@ -0,0 +1,346 @@ +/*************************************************************************/ +/* library_godot_eval.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotJSWrapper = { + + $GodotJSWrapper__deps: ['$GodotRuntime', '$IDHandler'], + $GodotJSWrapper__postset: 'GodotJSWrapper.proxies = new Map();', + $GodotJSWrapper: { + proxies: null, + cb_ret: null, + + MyProxy: function (val) { + const id = IDHandler.add(this); + GodotJSWrapper.proxies.set(val, id); + let refs = 1; + this.ref = function () { + refs++; + }; + this.unref = function () { + refs--; + if (refs === 0) { + IDHandler.remove(id); + GodotJSWrapper.proxies.delete(val); + } + }; + this.get_val = function () { + return val; + }; + this.get_id = function () { + return id; + }; + }, + + get_proxied: function (val) { + const id = GodotJSWrapper.proxies.get(val); + if (id === undefined) { + const proxy = new GodotJSWrapper.MyProxy(val); + return proxy.get_id(); + } + IDHandler.get(id).ref(); + return id; + }, + + get_proxied_value: function (id) { + const proxy = IDHandler.get(id); + if (proxy === undefined) { + return undefined; + } + return proxy.get_val(); + }, + + variant2js: function (type, val) { + switch (type) { + case 0: + return null; + case 1: + return !!GodotRuntime.getHeapValue(val, 'i64'); + case 2: + return GodotRuntime.getHeapValue(val, 'i64'); + case 3: + return GodotRuntime.getHeapValue(val, 'double'); + case 4: + return GodotRuntime.parseString(GodotRuntime.getHeapValue(val, '*')); + case 21: // OBJECT + return GodotJSWrapper.get_proxied_value(GodotRuntime.getHeapValue(val, 'i64')); + default: + return undefined; + } + }, + + js2variant: function (p_val, p_exchange) { + if (p_val === undefined || p_val === null) { + return 0; // NIL + } + const type = typeof (p_val); + if (type === 'boolean') { + GodotRuntime.setHeapValue(p_exchange, p_val, 'i64'); + return 1; // BOOL + } else if (type === 'number') { + if (Number.isInteger(p_val)) { + GodotRuntime.setHeapValue(p_exchange, p_val, 'i64'); + return 2; // INT + } + GodotRuntime.setHeapValue(p_exchange, p_val, 'double'); + return 3; // REAL + } else if (type === 'string') { + const c_str = GodotRuntime.allocString(p_val); + GodotRuntime.setHeapValue(p_exchange, c_str, '*'); + return 4; // STRING + } + const id = GodotJSWrapper.get_proxied(p_val); + GodotRuntime.setHeapValue(p_exchange, id, 'i64'); + return 21; + }, + }, + + godot_js_wrapper_interface_get__sig: 'ii', + godot_js_wrapper_interface_get: function (p_name) { + const name = GodotRuntime.parseString(p_name); + if (typeof (window[name]) !== 'undefined') { + return GodotJSWrapper.get_proxied(window[name]); + } + return 0; + }, + + godot_js_wrapper_object_get__sig: 'iiii', + godot_js_wrapper_object_get: function (p_id, p_exchange, p_prop) { + const obj = GodotJSWrapper.get_proxied_value(p_id); + if (obj === undefined) { + return 0; + } + if (p_prop) { + const prop = GodotRuntime.parseString(p_prop); + try { + return GodotJSWrapper.js2variant(obj[prop], p_exchange); + } catch (e) { + GodotRuntime.error(`Error getting variable ${prop} on object`, obj); + return 0; // NIL + } + } + return GodotJSWrapper.js2variant(obj, p_exchange); + }, + + godot_js_wrapper_object_set__sig: 'viiii', + godot_js_wrapper_object_set: function (p_id, p_name, p_type, p_exchange) { + const obj = GodotJSWrapper.get_proxied_value(p_id); + if (obj === undefined) { + return; + } + const name = GodotRuntime.parseString(p_name); + try { + obj[name] = GodotJSWrapper.variant2js(p_type, p_exchange); + } catch (e) { + GodotRuntime.error(`Error setting variable ${name} on object`, obj); + } + }, + + godot_js_wrapper_object_call__sig: 'iiiiiiiii', + godot_js_wrapper_object_call: function (p_id, p_method, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) { + const obj = GodotJSWrapper.get_proxied_value(p_id); + if (obj === undefined) { + return -1; + } + const method = GodotRuntime.parseString(p_method); + const convert = GodotRuntime.get_func(p_convert_callback); + const freeLock = GodotRuntime.get_func(p_free_lock_callback); + const args = new Array(p_argc); + for (let i = 0; i < p_argc; i++) { + const type = convert(p_args, i, p_exchange, p_lock); + const lock = GodotRuntime.getHeapValue(p_lock, '*'); + args[i] = GodotJSWrapper.variant2js(type, p_exchange); + if (lock) { + freeLock(p_lock, type); + } + } + try { + const res = obj[method](...args); + return GodotJSWrapper.js2variant(res, p_exchange); + } catch (e) { + GodotRuntime.error(`Error calling method ${method} on:`, obj, 'error:', e); + return -1; + } + }, + + godot_js_wrapper_object_unref__sig: 'vi', + godot_js_wrapper_object_unref: function (p_id) { + const proxy = IDHandler.get(p_id); + if (proxy !== undefined) { + proxy.unref(); + } + }, + + godot_js_wrapper_create_cb__sig: 'iii', + godot_js_wrapper_create_cb: function (p_ref, p_func) { + const func = GodotRuntime.get_func(p_func); + let id = 0; + const cb = function () { + if (!GodotJSWrapper.get_proxied_value(id)) { + return undefined; + } + // The callback will store the returned value in this variable via + // "godot_js_wrapper_object_set_cb_ret" upon calling the user function. + // This is safe! JavaScript is single threaded (and using it in threads is not a good idea anyway). + GodotJSWrapper.cb_ret = null; + const args = Array.from(arguments); + func(p_ref, GodotJSWrapper.get_proxied(args), args.length); + const ret = GodotJSWrapper.cb_ret; + GodotJSWrapper.cb_ret = null; + return ret; + }; + id = GodotJSWrapper.get_proxied(cb); + return id; + }, + + godot_js_wrapper_object_set_cb_ret__sig: 'vii', + godot_js_wrapper_object_set_cb_ret: function (p_val_type, p_val_ex) { + GodotJSWrapper.cb_ret = GodotJSWrapper.variant2js(p_val_type, p_val_ex); + }, + + godot_js_wrapper_object_getvar__sig: 'iiii', + godot_js_wrapper_object_getvar: function (p_id, p_type, p_exchange) { + const obj = GodotJSWrapper.get_proxied_value(p_id); + if (obj === undefined) { + return -1; + } + const prop = GodotJSWrapper.variant2js(p_type, p_exchange); + if (prop === undefined || prop === null) { + return -1; + } + try { + return GodotJSWrapper.js2variant(obj[prop], p_exchange); + } catch (e) { + GodotRuntime.error(`Error getting variable ${prop} on object`, obj, e); + return -1; + } + }, + + godot_js_wrapper_object_setvar__sig: 'iiiiii', + godot_js_wrapper_object_setvar: function (p_id, p_key_type, p_key_ex, p_val_type, p_val_ex) { + const obj = GodotJSWrapper.get_proxied_value(p_id); + if (obj === undefined) { + return -1; + } + const key = GodotJSWrapper.variant2js(p_key_type, p_key_ex); + try { + obj[key] = GodotJSWrapper.variant2js(p_val_type, p_val_ex); + return 0; + } catch (e) { + GodotRuntime.error(`Error setting variable ${key} on object`, obj); + return -1; + } + }, + + godot_js_wrapper_create_object__sig: 'iiiiiiii', + godot_js_wrapper_create_object: function (p_object, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) { + const name = GodotRuntime.parseString(p_object); + if (typeof (window[name]) === 'undefined') { + return -1; + } + const convert = GodotRuntime.get_func(p_convert_callback); + const freeLock = GodotRuntime.get_func(p_free_lock_callback); + const args = new Array(p_argc); + for (let i = 0; i < p_argc; i++) { + const type = convert(p_args, i, p_exchange, p_lock); + const lock = GodotRuntime.getHeapValue(p_lock, '*'); + args[i] = GodotJSWrapper.variant2js(type, p_exchange); + if (lock) { + freeLock(p_lock, type); + } + } + try { + const res = new window[name](...args); + return GodotJSWrapper.js2variant(res, p_exchange); + } catch (e) { + GodotRuntime.error(`Error calling constructor ${name} with args:`, args, 'error:', e); + return -1; + } + }, +}; + +autoAddDeps(GodotJSWrapper, '$GodotJSWrapper'); +mergeInto(LibraryManager.library, GodotJSWrapper); + +const GodotEval = { + godot_js_eval__deps: ['$GodotRuntime'], + godot_js_eval__sig: 'iiiiiii', + godot_js_eval: function (p_js, p_use_global_ctx, p_union_ptr, p_byte_arr, p_byte_arr_write, p_callback) { + const js_code = GodotRuntime.parseString(p_js); + let eval_ret = null; + try { + if (p_use_global_ctx) { + // indirect eval call grants global execution context + const global_eval = eval; // eslint-disable-line no-eval + eval_ret = global_eval(js_code); + } else { + eval_ret = eval(js_code); // eslint-disable-line no-eval + } + } catch (e) { + GodotRuntime.error(e); + } + + switch (typeof eval_ret) { + case 'boolean': + GodotRuntime.setHeapValue(p_union_ptr, eval_ret, 'i32'); + return 1; // BOOL + + case 'number': + GodotRuntime.setHeapValue(p_union_ptr, eval_ret, 'double'); + return 3; // REAL + + case 'string': + GodotRuntime.setHeapValue(p_union_ptr, GodotRuntime.allocString(eval_ret), '*'); + return 4; // STRING + + case 'object': + if (eval_ret === null) { + break; + } + + if (ArrayBuffer.isView(eval_ret) && !(eval_ret instanceof Uint8Array)) { + eval_ret = new Uint8Array(eval_ret.buffer); + } else if (eval_ret instanceof ArrayBuffer) { + eval_ret = new Uint8Array(eval_ret); + } + if (eval_ret instanceof Uint8Array) { + const func = GodotRuntime.get_func(p_callback); + const bytes_ptr = func(p_byte_arr, p_byte_arr_write, eval_ret.length); + HEAPU8.set(eval_ret, bytes_ptr); + return 20; // POOL_BYTE_ARRAY + } + break; + + // no default + } + return 0; // NIL + }, +}; + +mergeInto(LibraryManager.library, GodotEval); diff --git a/platform/web/js/libs/library_godot_os.js b/platform/web/js/libs/library_godot_os.js new file mode 100644 index 0000000000..377eec3234 --- /dev/null +++ b/platform/web/js/libs/library_godot_os.js @@ -0,0 +1,427 @@ +/*************************************************************************/ +/* library_godot_os.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const IDHandler = { + $IDHandler: { + _last_id: 0, + _references: {}, + + get: function (p_id) { + return IDHandler._references[p_id]; + }, + + add: function (p_data) { + const id = ++IDHandler._last_id; + IDHandler._references[id] = p_data; + return id; + }, + + remove: function (p_id) { + delete IDHandler._references[p_id]; + }, + }, +}; + +autoAddDeps(IDHandler, '$IDHandler'); +mergeInto(LibraryManager.library, IDHandler); + +const GodotConfig = { + $GodotConfig__postset: 'Module["initConfig"] = GodotConfig.init_config;', + $GodotConfig__deps: ['$GodotRuntime'], + $GodotConfig: { + canvas: null, + locale: 'en', + canvas_resize_policy: 2, // Adaptive + virtual_keyboard: false, + persistent_drops: false, + on_execute: null, + on_exit: null, + + init_config: function (p_opts) { + GodotConfig.canvas_resize_policy = p_opts['canvasResizePolicy']; + GodotConfig.canvas = p_opts['canvas']; + GodotConfig.locale = p_opts['locale'] || GodotConfig.locale; + GodotConfig.virtual_keyboard = p_opts['virtualKeyboard']; + GodotConfig.persistent_drops = !!p_opts['persistentDrops']; + GodotConfig.on_execute = p_opts['onExecute']; + GodotConfig.on_exit = p_opts['onExit']; + if (p_opts['focusCanvas']) { + GodotConfig.canvas.focus(); + } + }, + + locate_file: function (file) { + return Module['locateFile'](file); // eslint-disable-line no-undef + }, + clear: function () { + GodotConfig.canvas = null; + GodotConfig.locale = 'en'; + GodotConfig.canvas_resize_policy = 2; + GodotConfig.virtual_keyboard = false; + GodotConfig.persistent_drops = false; + GodotConfig.on_execute = null; + GodotConfig.on_exit = null; + }, + }, + + godot_js_config_canvas_id_get__sig: 'vii', + godot_js_config_canvas_id_get: function (p_ptr, p_ptr_max) { + GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`, p_ptr, p_ptr_max); + }, + + godot_js_config_locale_get__sig: 'vii', + godot_js_config_locale_get: function (p_ptr, p_ptr_max) { + GodotRuntime.stringToHeap(GodotConfig.locale, p_ptr, p_ptr_max); + }, +}; + +autoAddDeps(GodotConfig, '$GodotConfig'); +mergeInto(LibraryManager.library, GodotConfig); + +const GodotFS = { + $GodotFS__deps: ['$ERRNO_CODES', '$FS', '$IDBFS', '$GodotRuntime'], + $GodotFS__postset: [ + 'Module["initFS"] = GodotFS.init;', + 'Module["copyToFS"] = GodotFS.copy_to_fs;', + ].join(''), + $GodotFS: { + _idbfs: false, + _syncing: false, + _mount_points: [], + + is_persistent: function () { + return GodotFS._idbfs ? 1 : 0; + }, + + // Initialize godot file system, setting up persistent paths. + // Returns a promise that resolves when the FS is ready. + // We keep track of mount_points, so that we can properly close the IDBFS + // since emscripten is not doing it by itself. (emscripten GH#12516). + init: function (persistentPaths) { + GodotFS._idbfs = false; + if (!Array.isArray(persistentPaths)) { + return Promise.reject(new Error('Persistent paths must be an array')); + } + if (!persistentPaths.length) { + return Promise.resolve(); + } + GodotFS._mount_points = persistentPaths.slice(); + + function createRecursive(dir) { + try { + FS.stat(dir); + } catch (e) { + if (e.errno !== ERRNO_CODES.ENOENT) { + throw e; + } + FS.mkdirTree(dir); + } + } + + GodotFS._mount_points.forEach(function (path) { + createRecursive(path); + FS.mount(IDBFS, {}, path); + }); + return new Promise(function (resolve, reject) { + FS.syncfs(true, function (err) { + if (err) { + GodotFS._mount_points = []; + GodotFS._idbfs = false; + GodotRuntime.print(`IndexedDB not available: ${err.message}`); + } else { + GodotFS._idbfs = true; + } + resolve(err); + }); + }); + }, + + // Deinit godot file system, making sure to unmount file systems, and close IDBFS(s). + deinit: function () { + GodotFS._mount_points.forEach(function (path) { + try { + FS.unmount(path); + } catch (e) { + GodotRuntime.print('Already unmounted', e); + } + if (GodotFS._idbfs && IDBFS.dbs[path]) { + IDBFS.dbs[path].close(); + delete IDBFS.dbs[path]; + } + }); + GodotFS._mount_points = []; + GodotFS._idbfs = false; + GodotFS._syncing = false; + }, + + sync: function () { + if (GodotFS._syncing) { + GodotRuntime.error('Already syncing!'); + return Promise.resolve(); + } + GodotFS._syncing = true; + return new Promise(function (resolve, reject) { + FS.syncfs(false, function (error) { + if (error) { + GodotRuntime.error(`Failed to save IDB file system: ${error.message}`); + } + GodotFS._syncing = false; + resolve(error); + }); + }); + }, + + // Copies a buffer to the internal file system. Creating directories recursively. + copy_to_fs: function (path, buffer) { + const idx = path.lastIndexOf('/'); + let dir = '/'; + if (idx > 0) { + dir = path.slice(0, idx); + } + try { + FS.stat(dir); + } catch (e) { + if (e.errno !== ERRNO_CODES.ENOENT) { + throw e; + } + FS.mkdirTree(dir); + } + FS.writeFile(path, new Uint8Array(buffer)); + }, + }, +}; +mergeInto(LibraryManager.library, GodotFS); + +const GodotOS = { + $GodotOS__deps: ['$GodotRuntime', '$GodotConfig', '$GodotFS'], + $GodotOS__postset: [ + 'Module["request_quit"] = function() { GodotOS.request_quit() };', + 'Module["onExit"] = GodotOS.cleanup;', + 'GodotOS._fs_sync_promise = Promise.resolve();', + ].join(''), + $GodotOS: { + request_quit: function () {}, + _async_cbs: [], + _fs_sync_promise: null, + + atexit: function (p_promise_cb) { + GodotOS._async_cbs.push(p_promise_cb); + }, + + cleanup: function (exit_code) { + const cb = GodotConfig.on_exit; + GodotFS.deinit(); + GodotConfig.clear(); + if (cb) { + cb(exit_code); + } + }, + + finish_async: function (callback) { + GodotOS._fs_sync_promise.then(function (err) { + const promises = []; + GodotOS._async_cbs.forEach(function (cb) { + promises.push(new Promise(cb)); + }); + return Promise.all(promises); + }).then(function () { + return GodotFS.sync(); // Final FS sync. + }).then(function (err) { + // Always deferred. + setTimeout(function () { + callback(); + }, 0); + }); + }, + }, + + godot_js_os_finish_async__sig: 'vi', + godot_js_os_finish_async: function (p_callback) { + const func = GodotRuntime.get_func(p_callback); + GodotOS.finish_async(func); + }, + + godot_js_os_request_quit_cb__sig: 'vi', + godot_js_os_request_quit_cb: function (p_callback) { + GodotOS.request_quit = GodotRuntime.get_func(p_callback); + }, + + godot_js_os_fs_is_persistent__sig: 'i', + godot_js_os_fs_is_persistent: function () { + return GodotFS.is_persistent(); + }, + + godot_js_os_fs_sync__sig: 'vi', + godot_js_os_fs_sync: function (callback) { + const func = GodotRuntime.get_func(callback); + GodotOS._fs_sync_promise = GodotFS.sync(); + GodotOS._fs_sync_promise.then(function (err) { + func(); + }); + }, + + godot_js_os_execute__sig: 'ii', + godot_js_os_execute: function (p_json) { + const json_args = GodotRuntime.parseString(p_json); + const args = JSON.parse(json_args); + if (GodotConfig.on_execute) { + GodotConfig.on_execute(args); + return 0; + } + return 1; + }, + + godot_js_os_shell_open__sig: 'vi', + godot_js_os_shell_open: function (p_uri) { + window.open(GodotRuntime.parseString(p_uri), '_blank'); + }, + + godot_js_os_hw_concurrency_get__sig: 'i', + godot_js_os_hw_concurrency_get: function () { + // TODO Godot core needs fixing to avoid spawning too many threads (> 24). + const concurrency = navigator.hardwareConcurrency || 1; + return concurrency < 2 ? concurrency : 2; + }, + + godot_js_os_download_buffer__sig: 'viiii', + godot_js_os_download_buffer: function (p_ptr, p_size, p_name, p_mime) { + const buf = GodotRuntime.heapSlice(HEAP8, p_ptr, p_size); + const name = GodotRuntime.parseString(p_name); + const mime = GodotRuntime.parseString(p_mime); + const blob = new Blob([buf], { type: mime }); + const url = window.URL.createObjectURL(blob); + const a = document.createElement('a'); + a.href = url; + a.download = name; + a.style.display = 'none'; + document.body.appendChild(a); + a.click(); + a.remove(); + window.URL.revokeObjectURL(url); + }, +}; + +autoAddDeps(GodotOS, '$GodotOS'); +mergeInto(LibraryManager.library, GodotOS); + +/* + * Godot event listeners. + * Keeps track of registered event listeners so it can remove them on shutdown. + */ +const GodotEventListeners = { + $GodotEventListeners__deps: ['$GodotOS'], + $GodotEventListeners__postset: 'GodotOS.atexit(function(resolve, reject) { GodotEventListeners.clear(); resolve(); });', + $GodotEventListeners: { + handlers: [], + + has: function (target, event, method, capture) { + return GodotEventListeners.handlers.findIndex(function (e) { + return e.target === target && e.event === event && e.method === method && e.capture === capture; + }) !== -1; + }, + + add: function (target, event, method, capture) { + if (GodotEventListeners.has(target, event, method, capture)) { + return; + } + function Handler(p_target, p_event, p_method, p_capture) { + this.target = p_target; + this.event = p_event; + this.method = p_method; + this.capture = p_capture; + } + GodotEventListeners.handlers.push(new Handler(target, event, method, capture)); + target.addEventListener(event, method, capture); + }, + + clear: function () { + GodotEventListeners.handlers.forEach(function (h) { + h.target.removeEventListener(h.event, h.method, h.capture); + }); + GodotEventListeners.handlers.length = 0; + }, + }, +}; +mergeInto(LibraryManager.library, GodotEventListeners); + +const GodotPWA = { + + $GodotPWA__deps: ['$GodotRuntime', '$GodotEventListeners'], + $GodotPWA: { + hasUpdate: false, + + updateState: function (cb, reg) { + if (!reg) { + return; + } + if (!reg.active) { + return; + } + if (reg.waiting) { + GodotPWA.hasUpdate = true; + cb(); + } + GodotEventListeners.add(reg, 'updatefound', function () { + const installing = reg.installing; + GodotEventListeners.add(installing, 'statechange', function () { + if (installing.state === 'installed') { + GodotPWA.hasUpdate = true; + cb(); + } + }); + }); + }, + }, + + godot_js_pwa_cb__sig: 'vi', + godot_js_pwa_cb: function (p_update_cb) { + if ('serviceWorker' in navigator) { + const cb = GodotRuntime.get_func(p_update_cb); + navigator.serviceWorker.getRegistration().then(GodotPWA.updateState.bind(null, cb)); + } + }, + + godot_js_pwa_update__sig: 'i', + godot_js_pwa_update: function () { + if ('serviceWorker' in navigator && GodotPWA.hasUpdate) { + navigator.serviceWorker.getRegistration().then(function (reg) { + if (!reg || !reg.waiting) { + return; + } + reg.waiting.postMessage('update'); + }); + return 0; + } + return 1; + }, +}; + +autoAddDeps(GodotPWA, '$GodotPWA'); +mergeInto(LibraryManager.library, GodotPWA); diff --git a/platform/web/js/libs/library_godot_runtime.js b/platform/web/js/libs/library_godot_runtime.js new file mode 100644 index 0000000000..e2f7c8dca6 --- /dev/null +++ b/platform/web/js/libs/library_godot_runtime.js @@ -0,0 +1,134 @@ +/*************************************************************************/ +/* library_godot_runtime.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotRuntime = { + $GodotRuntime: { + /* + * Functions + */ + get_func: function (ptr) { + return wasmTable.get(ptr); // eslint-disable-line no-undef + }, + + /* + * Prints + */ + error: function () { + err.apply(null, Array.from(arguments)); // eslint-disable-line no-undef + }, + + print: function () { + out.apply(null, Array.from(arguments)); // eslint-disable-line no-undef + }, + + /* + * Memory + */ + malloc: function (p_size) { + return _malloc(p_size); // eslint-disable-line no-undef + }, + + free: function (p_ptr) { + _free(p_ptr); // eslint-disable-line no-undef + }, + + getHeapValue: function (p_ptr, p_type) { + return getValue(p_ptr, p_type); // eslint-disable-line no-undef + }, + + setHeapValue: function (p_ptr, p_value, p_type) { + setValue(p_ptr, p_value, p_type); // eslint-disable-line no-undef + }, + + heapSub: function (p_heap, p_ptr, p_len) { + const bytes = p_heap.BYTES_PER_ELEMENT; + return p_heap.subarray(p_ptr / bytes, p_ptr / bytes + p_len); + }, + + heapSlice: function (p_heap, p_ptr, p_len) { + const bytes = p_heap.BYTES_PER_ELEMENT; + return p_heap.slice(p_ptr / bytes, p_ptr / bytes + p_len); + }, + + heapCopy: function (p_dst, p_src, p_ptr) { + const bytes = p_src.BYTES_PER_ELEMENT; + return p_dst.set(p_src, p_ptr / bytes); + }, + + /* + * Strings + */ + parseString: function (p_ptr) { + return UTF8ToString(p_ptr); // eslint-disable-line no-undef + }, + + parseStringArray: function (p_ptr, p_size) { + const strings = []; + const ptrs = GodotRuntime.heapSub(HEAP32, p_ptr, p_size); // TODO wasm64 + ptrs.forEach(function (ptr) { + strings.push(GodotRuntime.parseString(ptr)); + }); + return strings; + }, + + strlen: function (p_str) { + return lengthBytesUTF8(p_str); // eslint-disable-line no-undef + }, + + allocString: function (p_str) { + const length = GodotRuntime.strlen(p_str) + 1; + const c_str = GodotRuntime.malloc(length); + stringToUTF8(p_str, c_str, length); // eslint-disable-line no-undef + return c_str; + }, + + allocStringArray: function (p_strings) { + const size = p_strings.length; + const c_ptr = GodotRuntime.malloc(size * 4); + for (let i = 0; i < size; i++) { + HEAP32[(c_ptr >> 2) + i] = GodotRuntime.allocString(p_strings[i]); + } + return c_ptr; + }, + + freeStringArray: function (p_ptr, p_len) { + for (let i = 0; i < p_len; i++) { + GodotRuntime.free(HEAP32[(p_ptr >> 2) + i]); + } + GodotRuntime.free(p_ptr); + }, + + stringToHeap: function (p_str, p_ptr, p_len) { + return stringToUTF8Array(p_str, HEAP8, p_ptr, p_len); // eslint-disable-line no-undef + }, + }, +}; +autoAddDeps(GodotRuntime, '$GodotRuntime'); +mergeInto(LibraryManager.library, GodotRuntime); diff --git a/platform/web/logo.png b/platform/web/logo.png Binary files differnew file mode 100644 index 0000000000..c046d87dc4 --- /dev/null +++ b/platform/web/logo.png diff --git a/platform/web/os_web.cpp b/platform/web/os_web.cpp new file mode 100644 index 0000000000..461dc71119 --- /dev/null +++ b/platform/web/os_web.cpp @@ -0,0 +1,275 @@ +/*************************************************************************/ +/* os_web.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "os_web.h" + +#include "core/debugger/engine_debugger.h" +#include "drivers/unix/dir_access_unix.h" +#include "drivers/unix/file_access_unix.h" +#include "main/main.h" +#include "platform/web/display_server_web.h" + +#include "modules/modules_enabled.gen.h" // For websocket. +#ifdef MODULE_WEBSOCKET_ENABLED +#include "modules/websocket/remote_debugger_peer_websocket.h" +#endif + +#include <dlfcn.h> +#include <emscripten.h> +#include <stdlib.h> + +#include "api/javascript_singleton.h" +#include "godot_js.h" + +void OS_Web::alert(const String &p_alert, const String &p_title) { + godot_js_display_alert(p_alert.utf8().get_data()); +} + +// Lifecycle +void OS_Web::initialize() { + OS_Unix::initialize_core(); + DisplayServerWeb::register_web_driver(); + +#ifdef MODULE_WEBSOCKET_ENABLED + EngineDebugger::register_uri_handler("ws://", RemoteDebuggerPeerWebSocket::create); + EngineDebugger::register_uri_handler("wss://", RemoteDebuggerPeerWebSocket::create); +#endif +} + +void OS_Web::resume_audio() { + AudioDriverWeb::resume(); +} + +void OS_Web::set_main_loop(MainLoop *p_main_loop) { + main_loop = p_main_loop; +} + +MainLoop *OS_Web::get_main_loop() const { + return main_loop; +} + +void OS_Web::fs_sync_callback() { + get_singleton()->idb_is_syncing = false; +} + +bool OS_Web::main_loop_iterate() { + if (is_userfs_persistent() && idb_needs_sync && !idb_is_syncing) { + idb_is_syncing = true; + idb_needs_sync = false; + godot_js_os_fs_sync(&fs_sync_callback); + } + + DisplayServer::get_singleton()->process_events(); + + return Main::iteration(); +} + +void OS_Web::delete_main_loop() { + if (main_loop) { + memdelete(main_loop); + } + main_loop = nullptr; +} + +void OS_Web::finalize() { + delete_main_loop(); + for (AudioDriverWeb *driver : audio_drivers) { + memdelete(driver); + } + audio_drivers.clear(); +} + +// Miscellaneous + +Error OS_Web::execute(const String &p_path, const List<String> &p_arguments, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex, bool p_open_console) { + return create_process(p_path, p_arguments); +} + +Error OS_Web::create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id, bool p_open_console) { + Array args; + for (const String &E : p_arguments) { + args.push_back(E); + } + String json_args = Variant(args).to_json_string(); + int failed = godot_js_os_execute(json_args.utf8().get_data()); + ERR_FAIL_COND_V_MSG(failed, ERR_UNAVAILABLE, "OS::execute() or create_process() must be implemented in Web via 'engine.setOnExecute' if required."); + return OK; +} + +Error OS_Web::kill(const ProcessID &p_pid) { + ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "OS::kill() is not available on the Web platform."); +} + +int OS_Web::get_process_id() const { + ERR_FAIL_V_MSG(0, "OS::get_process_id() is not available on the Web platform."); +} + +bool OS_Web::is_process_running(const ProcessID &p_pid) const { + return false; +} + +int OS_Web::get_processor_count() const { + return godot_js_os_hw_concurrency_get(); +} + +bool OS_Web::_check_internal_feature_support(const String &p_feature) { + if (p_feature == "html5" || p_feature == "web") { + return true; + } + +#ifdef JAVASCRIPT_EVAL_ENABLED + if (p_feature == "web") { + return true; + } +#endif +#ifndef NO_THREADS + if (p_feature == "threads") { + return true; + } +#endif +#if WASM_GDNATIVE + if (p_feature == "wasm32") { + return true; + } +#endif + + return false; +} + +String OS_Web::get_executable_path() const { + return OS::get_executable_path(); +} + +Error OS_Web::shell_open(String p_uri) { + // Open URI in a new tab, browser will deal with it by protocol. + godot_js_os_shell_open(p_uri.utf8().get_data()); + return OK; +} + +String OS_Web::get_name() const { + return "Web"; +} + +void OS_Web::vibrate_handheld(int p_duration_ms) { + godot_js_input_vibrate_handheld(p_duration_ms); +} + +String OS_Web::get_user_data_dir() const { + return "/userfs"; +} + +String OS_Web::get_cache_path() const { + return "/home/web_user/.cache"; +} + +String OS_Web::get_config_path() const { + return "/home/web_user/.config"; +} + +String OS_Web::get_data_path() const { + return "/home/web_user/.local/share"; +} + +void OS_Web::file_access_close_callback(const String &p_file, int p_flags) { + OS_Web *os = OS_Web::get_singleton(); + if (!(os->is_userfs_persistent() && (p_flags & FileAccess::WRITE))) { + return; // FS persistence is not working or we are not writing. + } + bool is_file_persistent = p_file.begins_with("/userfs"); +#ifdef TOOLS_ENABLED + // Hack for editor persistence (can we track). + is_file_persistent = is_file_persistent || p_file.begins_with("/home/web_user/"); +#endif + if (is_file_persistent) { + os->idb_needs_sync = true; + } +} + +void OS_Web::update_pwa_state_callback() { + if (OS_Web::get_singleton()) { + OS_Web::get_singleton()->pwa_is_waiting = true; + } + if (JavaScript::get_singleton()) { + JavaScript::get_singleton()->emit_signal("pwa_update_available"); + } +} + +Error OS_Web::pwa_update() { + return godot_js_pwa_update() ? FAILED : OK; +} + +bool OS_Web::is_userfs_persistent() const { + return idb_available; +} + +Error OS_Web::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path, String *r_resolved_path) { + String path = p_path.get_file(); + p_library_handle = dlopen(path.utf8().get_data(), RTLD_NOW); + ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ". Error: " + dlerror()); + + if (r_resolved_path != nullptr) { + *r_resolved_path = path; + } + + return OK; +} + +OS_Web *OS_Web::get_singleton() { + return static_cast<OS_Web *>(OS::get_singleton()); +} + +void OS_Web::initialize_joypads() { +} + +OS_Web::OS_Web() { + char locale_ptr[16]; + godot_js_config_locale_get(locale_ptr, 16); + setenv("LANG", locale_ptr, true); + + godot_js_pwa_cb(&OS_Web::update_pwa_state_callback); + + if (AudioDriverWeb::is_available()) { +#ifdef NO_THREADS + audio_drivers.push_back(memnew(AudioDriverScriptProcessor)); +#endif + audio_drivers.push_back(memnew(AudioDriverWorklet)); + } + for (int i = 0; i < audio_drivers.size(); i++) { + AudioDriverManager::add_driver(audio_drivers[i]); + } + + idb_available = godot_js_os_fs_is_persistent(); + + Vector<Logger *> loggers; + loggers.push_back(memnew(StdLogger)); + _set_logger(memnew(CompositeLogger(loggers))); + + FileAccessUnix::close_notification_func = file_access_close_callback; +} diff --git a/platform/web/os_web.h b/platform/web/os_web.h new file mode 100644 index 0000000000..64f3a4d133 --- /dev/null +++ b/platform/web/os_web.h @@ -0,0 +1,111 @@ +/*************************************************************************/ +/* os_web.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef OS_WEB_H +#define OS_WEB_H + +#include "audio_driver_web.h" +#include "core/input/input.h" +#include "drivers/unix/os_unix.h" +#include "servers/audio_server.h" + +#include <emscripten/html5.h> + +class OS_Web : public OS_Unix { + MainLoop *main_loop = nullptr; + List<AudioDriverWeb *> audio_drivers; + + bool idb_is_syncing = false; + bool idb_available = false; + bool idb_needs_sync = false; + bool pwa_is_waiting = false; + + static void main_loop_callback(); + + static void file_access_close_callback(const String &p_file, int p_flags); + static void fs_sync_callback(); + static void update_pwa_state_callback(); + +protected: + void initialize() override; + + void set_main_loop(MainLoop *p_main_loop) override; + void delete_main_loop() override; + + void finalize() override; + + bool _check_internal_feature_support(const String &p_feature) override; + +public: + // Override return type to make writing static callbacks less tedious. + static OS_Web *get_singleton(); + + bool pwa_needs_update() const { return pwa_is_waiting; } + Error pwa_update(); + + void initialize_joypads() override; + + MainLoop *get_main_loop() const override; + bool main_loop_iterate(); + + Error execute(const String &p_path, const List<String> &p_arguments, String *r_pipe = nullptr, int *r_exitcode = nullptr, bool read_stderr = false, Mutex *p_pipe_mutex = nullptr, bool p_open_console = false) override; + Error create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id = nullptr, bool p_open_console = false) override; + Error kill(const ProcessID &p_pid) override; + int get_process_id() const override; + bool is_process_running(const ProcessID &p_pid) const override; + int get_processor_count() const override; + int get_default_thread_pool_size() const override { return 1; } + + String get_executable_path() const override; + Error shell_open(String p_uri) override; + String get_name() const override; + // Override default OS implementation which would block the main thread with delay_usec. + // Implemented in web_main.cpp loop callback instead. + void add_frame_delay(bool p_can_draw) override {} + + void vibrate_handheld(int p_duration_ms) override; + + String get_cache_path() const override; + String get_config_path() const override; + String get_data_path() const override; + String get_user_data_dir() const override; + + bool is_userfs_persistent() const override; + + void alert(const String &p_alert, const String &p_title = "ALERT!") override; + + Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false, String *r_resolved_path = nullptr) override; + + void resume_audio(); + + OS_Web(); +}; + 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"eslint \"js/jsdoc2rst/**/*.js\" --no-eslintrc -c .eslintrc.engine.js", + "format": "npm run format:engine && npm run format:libs && npm run format:modules && npm run format:tools", + "format:engine": "npm run lint:engine -- --fix", + "format:libs": "npm run lint:libs -- --fix", + "format:modules": "npm run lint:modules -- --fix", + "format:tools": "npm run lint:tools -- --fix", + "serve": "serve" + }, + "author": "Godot Engine contributors", + "license": "MIT", + "devDependencies": { + "eslint": "^7.28.0", + "eslint-config-airbnb-base": "^14.2.1", + "eslint-plugin-import": "^2.23.4", + "jsdoc": "^3.6.7", + "serve": "^13.0.2" + } +} diff --git a/platform/web/platform_config.h b/platform/web/platform_config.h new file mode 100644 index 0000000000..5e48992af8 --- /dev/null +++ b/platform/web/platform_config.h @@ -0,0 +1,33 @@ +/*************************************************************************/ +/* platform_config.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include <alloca.h> + +#define OPENGL_INCLUDE_H "platform/web/godot_webgl2.h" diff --git a/platform/web/run_icon.png b/platform/web/run_icon.png Binary files differnew file mode 100644 index 0000000000..574abb0150 --- /dev/null +++ b/platform/web/run_icon.png diff --git a/platform/web/serve.json b/platform/web/serve.json new file mode 100644 index 0000000000..f2ef24751f --- /dev/null +++ b/platform/web/serve.json @@ -0,0 +1,21 @@ +{ + "public": "../../bin", + "headers": [{ + "source": "**/*", + "headers": [ + { + "key": "Cross-Origin-Embedder-Policy", + "value": "require-corp" + }, { + "key": "Cross-Origin-Opener-Policy", + "value": "same-origin" + }, { + "key": "Access-Control-Allow-Origin", + "value": "*" + }, { + "key": "Cache-Control", + "value": "no-store, max-age=0" + } + ] + }] +} diff --git a/platform/web/web_main.cpp b/platform/web/web_main.cpp new file mode 100644 index 0000000000..0f4411727a --- /dev/null +++ b/platform/web/web_main.cpp @@ -0,0 +1,110 @@ +/*************************************************************************/ +/* web_main.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "core/config/engine.h" +#include "core/io/resource_loader.h" +#include "main/main.h" +#include "platform/web/display_server_web.h" +#include "platform/web/os_web.h" + +#include <emscripten/emscripten.h> +#include <stdlib.h> + +#include "godot_js.h" + +static OS_Web *os = nullptr; +static uint64_t target_ticks = 0; + +void exit_callback() { + emscripten_cancel_main_loop(); // After this, we can exit! + Main::cleanup(); + int exit_code = OS_Web::get_singleton()->get_exit_code(); + memdelete(os); + os = nullptr; + emscripten_force_exit(exit_code); // No matter that we call cancel_main_loop, regular "exit" will not work, forcing. +} + +void cleanup_after_sync() { + emscripten_set_main_loop(exit_callback, -1, false); +} + +void main_loop_callback() { + uint64_t current_ticks = os->get_ticks_usec(); + + bool force_draw = DisplayServerWeb::get_singleton()->check_size_force_redraw(); + if (force_draw) { + Main::force_redraw(); + } else if (current_ticks < target_ticks) { + return; // Skip frame. + } + + int target_fps = Engine::get_singleton()->get_target_fps(); + if (target_fps > 0) { + if (current_ticks - target_ticks > 1000000) { + // When the window loses focus, we stop getting updates and accumulate delay. + // For this reason, if the difference is too big, we reset target ticks to the current ticks. + target_ticks = current_ticks; + } + target_ticks += (uint64_t)(1000000 / target_fps); + } + if (os->main_loop_iterate()) { + emscripten_cancel_main_loop(); // Cancel current loop and wait for cleanup_after_sync. + godot_js_os_finish_async(cleanup_after_sync); + } +} + +/// When calling main, it is assumed FS is setup and synced. +extern EMSCRIPTEN_KEEPALIVE int godot_web_main(int argc, char *argv[]) { + os = new OS_Web(); + + // We must override main when testing is enabled + TEST_MAIN_OVERRIDE + + Main::setup(argv[0], argc - 1, &argv[1]); + + // Ease up compatibility. + ResourceLoader::set_abort_on_missing_resources(false); + + Main::start(); + os->get_main_loop()->initialize(); +#ifdef TOOLS_ENABLED + if (Engine::get_singleton()->is_project_manager_hint() && FileAccess::exists("/tmp/preload.zip")) { + PackedStringArray ps; + ps.push_back("/tmp/preload.zip"); + os->get_main_loop()->emit_signal(SNAME("files_dropped"), ps, -1); + } +#endif + emscripten_set_main_loop(main_loop_callback, -1, false); + // Immediately run the first iteration. + // We are inside an animation frame, we want to immediately draw on the newly setup canvas. + main_loop_callback(); + + return 0; +} diff --git a/platform/web/web_runtime.cpp b/platform/web/web_runtime.cpp new file mode 100644 index 0000000000..93a1745a83 --- /dev/null +++ b/platform/web/web_runtime.cpp @@ -0,0 +1,35 @@ +/*************************************************************************/ +/* web_runtime.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +extern int godot_web_main(int argc, char *argv[]); + +int main(int argc, char *argv[]) { + return godot_web_main(argc, argv); +} |
