diff options
Diffstat (limited to 'platform/web/export/export_plugin.cpp')
| -rw-r--r-- | platform/web/export/export_plugin.cpp | 700 |
1 files changed, 700 insertions, 0 deletions
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(); +} |