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Diffstat (limited to 'core/extension/gdextension.cpp')
| -rw-r--r-- | core/extension/gdextension.cpp | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/core/extension/gdextension.cpp b/core/extension/gdextension.cpp new file mode 100644 index 0000000000..829e1d8e5b --- /dev/null +++ b/core/extension/gdextension.cpp @@ -0,0 +1,569 @@ +/**************************************************************************/ +/* gdextension.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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 "gdextension.h" +#include "core/config/project_settings.h" +#include "core/io/dir_access.h" +#include "core/object/class_db.h" +#include "core/object/method_bind.h" +#include "core/os/os.h" + +String GDExtension::get_extension_list_config_file() { + return ProjectSettings::get_singleton()->get_project_data_path().path_join("extension_list.cfg"); +} + +String GDExtension::find_extension_library(const String &p_path, Ref<ConfigFile> p_config, std::function<bool(String)> p_has_feature, PackedStringArray *r_tags) { + // First, check the explicit libraries. + if (p_config->has_section("libraries")) { + List<String> libraries; + p_config->get_section_keys("libraries", &libraries); + + // Iterate the libraries, finding the best matching tags. + String best_library_path; + Vector<String> best_library_tags; + for (const String &E : libraries) { + Vector<String> tags = E.split("."); + bool all_tags_met = true; + for (int i = 0; i < tags.size(); i++) { + String tag = tags[i].strip_edges(); + if (!p_has_feature(tag)) { + all_tags_met = false; + break; + } + } + + if (all_tags_met && tags.size() > best_library_tags.size()) { + best_library_path = p_config->get_value("libraries", E); + best_library_tags = tags; + } + } + + if (!best_library_path.is_empty()) { + if (best_library_path.is_relative_path()) { + best_library_path = p_path.get_base_dir().path_join(best_library_path); + } + if (r_tags != nullptr) { + r_tags->append_array(best_library_tags); + } + return best_library_path; + } + } + + // Second, try to autodetect + String autodetect_library_prefix; + if (p_config->has_section_key("configuration", "autodetect_library_prefix")) { + autodetect_library_prefix = p_config->get_value("configuration", "autodetect_library_prefix"); + } + if (!autodetect_library_prefix.is_empty()) { + String autodetect_path = autodetect_library_prefix; + if (autodetect_path.is_relative_path()) { + autodetect_path = p_path.get_base_dir().path_join(autodetect_path); + } + + // Find the folder and file parts of the prefix. + String folder; + String file_prefix; + if (DirAccess::dir_exists_absolute(autodetect_path)) { + folder = autodetect_path; + } else if (DirAccess::dir_exists_absolute(autodetect_path.get_base_dir())) { + folder = autodetect_path.get_base_dir(); + file_prefix = autodetect_path.get_file(); + } else { + ERR_FAIL_V_MSG(String(), vformat("Error in extension: %s. Could not find folder for automatic detection of libraries files. autodetect_library_prefix=\"%s\"", p_path, autodetect_library_prefix)); + } + + // Open the folder. + Ref<DirAccess> dir = DirAccess::open(folder); + ERR_FAIL_COND_V_MSG(!dir.is_valid(), String(), vformat("Error in extension: %s. Could not open folder for automatic detection of libraries files. autodetect_library_prefix=\"%s\"", p_path, autodetect_library_prefix)); + + // Iterate the files and check the prefixes, finding the best matching file. + String best_file; + Vector<String> best_file_tags; + dir->list_dir_begin(); + String file_name = dir->_get_next(); + while (file_name != "") { + if (!dir->current_is_dir() && file_name.begins_with(file_prefix)) { + // Check if the files matches all requested feature tags. + String tags_str = file_name.trim_prefix(file_prefix); + tags_str = tags_str.trim_suffix(tags_str.get_extension()); + + Vector<String> tags = tags_str.split(".", false); + bool all_tags_met = true; + for (int i = 0; i < tags.size(); i++) { + String tag = tags[i].strip_edges(); + if (!p_has_feature(tag)) { + all_tags_met = false; + break; + } + } + + // If all tags are found in the feature list, and we found more tags than before, use this file. + if (all_tags_met && tags.size() > best_file_tags.size()) { + best_file_tags = tags; + best_file = file_name; + } + } + file_name = dir->_get_next(); + } + + if (!best_file.is_empty()) { + String library_path = folder.path_join(best_file); + if (r_tags != nullptr) { + r_tags->append_array(best_file_tags); + } + return library_path; + } + } + return String(); +} + +class GDExtensionMethodBind : public MethodBind { + GDExtensionClassMethodCall call_func; + GDExtensionClassMethodPtrCall ptrcall_func; + void *method_userdata; + bool vararg; + PropertyInfo return_value_info; + GodotTypeInfo::Metadata return_value_metadata; + List<PropertyInfo> arguments_info; + List<GodotTypeInfo::Metadata> arguments_metadata; + +protected: + virtual Variant::Type _gen_argument_type(int p_arg) const override { + if (p_arg < 0) { + return return_value_info.type; + } else { + return arguments_info[p_arg].type; + } + } + virtual PropertyInfo _gen_argument_type_info(int p_arg) const override { + if (p_arg < 0) { + return return_value_info; + } else { + return arguments_info[p_arg]; + } + } + +public: +#ifdef DEBUG_METHODS_ENABLED + virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override { + if (p_arg < 0) { + return return_value_metadata; + } else { + return arguments_metadata[p_arg]; + } + } +#endif + + virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) const override { + Variant ret; + GDExtensionClassInstancePtr extension_instance = is_static() ? nullptr : p_object->_get_extension_instance(); + GDExtensionCallError ce{ GDEXTENSION_CALL_OK, 0, 0 }; + call_func(method_userdata, extension_instance, reinterpret_cast<GDExtensionConstVariantPtr *>(p_args), p_arg_count, (GDExtensionVariantPtr)&ret, &ce); + r_error.error = Callable::CallError::Error(ce.error); + r_error.argument = ce.argument; + r_error.expected = ce.expected; + return ret; + } + virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) const override { + ERR_FAIL_COND_MSG(vararg, "Vararg methods don't have ptrcall support. This is most likely an engine bug."); + GDExtensionClassInstancePtr extension_instance = p_object->_get_extension_instance(); + ptrcall_func(method_userdata, extension_instance, reinterpret_cast<GDExtensionConstTypePtr *>(p_args), (GDExtensionTypePtr)r_ret); + } + + virtual bool is_vararg() const override { + return false; + } + + explicit GDExtensionMethodBind(const GDExtensionClassMethodInfo *p_method_info) { + method_userdata = p_method_info->method_userdata; + call_func = p_method_info->call_func; + ptrcall_func = p_method_info->ptrcall_func; + set_name(*reinterpret_cast<StringName *>(p_method_info->name)); + + if (p_method_info->has_return_value) { + return_value_info = PropertyInfo(*p_method_info->return_value_info); + return_value_metadata = GodotTypeInfo::Metadata(p_method_info->return_value_metadata); + } + + for (uint32_t i = 0; i < p_method_info->argument_count; i++) { + arguments_info.push_back(PropertyInfo(p_method_info->arguments_info[i])); + arguments_metadata.push_back(GodotTypeInfo::Metadata(p_method_info->arguments_metadata[i])); + } + + set_hint_flags(p_method_info->method_flags); + + vararg = p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_VARARG; + _set_returns(p_method_info->has_return_value); + _set_const(p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_CONST); + _set_static(p_method_info->method_flags & GDEXTENSION_METHOD_FLAG_STATIC); +#ifdef DEBUG_METHODS_ENABLED + _generate_argument_types(p_method_info->argument_count); +#endif + set_argument_count(p_method_info->argument_count); + + Vector<Variant> defargs; + defargs.resize(p_method_info->default_argument_count); + for (uint32_t i = 0; i < p_method_info->default_argument_count; i++) { + defargs.write[i] = *static_cast<Variant *>(p_method_info->default_arguments[i]); + } + + set_default_arguments(defargs); + } +}; + +static GDExtensionInterface gdextension_interface; + +void GDExtension::_register_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo *p_extension_funcs) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + StringName parent_class_name = *reinterpret_cast<const StringName *>(p_parent_class_name); + ERR_FAIL_COND_MSG(!String(class_name).is_valid_identifier(), "Attempt to register extension class '" + class_name + "', which is not a valid class identifier."); + ERR_FAIL_COND_MSG(ClassDB::class_exists(class_name), "Attempt to register extension class '" + class_name + "', which appears to be already registered."); + + Extension *parent_extension = nullptr; + + if (self->extension_classes.has(parent_class_name)) { + parent_extension = &self->extension_classes[parent_class_name]; + } else if (ClassDB::class_exists(parent_class_name)) { + if (ClassDB::get_api_type(parent_class_name) == ClassDB::API_EXTENSION || ClassDB::get_api_type(parent_class_name) == ClassDB::API_EDITOR_EXTENSION) { + ERR_PRINT("Unimplemented yet"); + //inheriting from another extension + } else { + //inheriting from engine class + } + } else { + ERR_FAIL_MSG("Attempt to register an extension class '" + String(class_name) + "' using non-existing parent class '" + String(parent_class_name) + "'"); + } + + self->extension_classes[class_name] = Extension(); + + Extension *extension = &self->extension_classes[class_name]; + + if (parent_extension) { + extension->gdextension.parent = &parent_extension->gdextension; + parent_extension->gdextension.children.push_back(&extension->gdextension); + } + + extension->gdextension.parent_class_name = parent_class_name; + extension->gdextension.class_name = class_name; + extension->gdextension.editor_class = self->level_initialized == INITIALIZATION_LEVEL_EDITOR; + extension->gdextension.is_virtual = p_extension_funcs->is_virtual; + extension->gdextension.is_abstract = p_extension_funcs->is_abstract; + extension->gdextension.set = p_extension_funcs->set_func; + extension->gdextension.get = p_extension_funcs->get_func; + extension->gdextension.get_property_list = p_extension_funcs->get_property_list_func; + extension->gdextension.free_property_list = p_extension_funcs->free_property_list_func; + extension->gdextension.property_can_revert = p_extension_funcs->property_can_revert_func; + extension->gdextension.property_get_revert = p_extension_funcs->property_get_revert_func; + extension->gdextension.notification = p_extension_funcs->notification_func; + extension->gdextension.to_string = p_extension_funcs->to_string_func; + extension->gdextension.reference = p_extension_funcs->reference_func; + extension->gdextension.unreference = p_extension_funcs->unreference_func; + extension->gdextension.class_userdata = p_extension_funcs->class_userdata; + extension->gdextension.create_instance = p_extension_funcs->create_instance_func; + extension->gdextension.free_instance = p_extension_funcs->free_instance_func; + extension->gdextension.get_virtual = p_extension_funcs->get_virtual_func; + extension->gdextension.get_rid = p_extension_funcs->get_rid_func; + + ClassDB::register_extension_class(&extension->gdextension); +} +void GDExtension::_register_extension_class_method(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassMethodInfo *p_method_info) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + StringName method_name = *reinterpret_cast<const StringName *>(p_method_info->name); + ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension method '" + String(method_name) + "' for unexisting class '" + class_name + "'."); + + //Extension *extension = &self->extension_classes[class_name]; + + GDExtensionMethodBind *method = memnew(GDExtensionMethodBind(p_method_info)); + method->set_instance_class(class_name); + + ClassDB::bind_method_custom(class_name, method); +} +void GDExtension::_register_extension_class_integer_constant(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_enum_name, GDExtensionConstStringNamePtr p_constant_name, GDExtensionInt p_constant_value, GDExtensionBool p_is_bitfield) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + StringName enum_name = *reinterpret_cast<const StringName *>(p_enum_name); + StringName constant_name = *reinterpret_cast<const StringName *>(p_constant_name); + ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension constant '" + constant_name + "' for unexisting class '" + class_name + "'."); + + ClassDB::bind_integer_constant(class_name, enum_name, constant_name, p_constant_value, p_is_bitfield); +} + +void GDExtension::_register_extension_class_property(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + StringName setter = *reinterpret_cast<const StringName *>(p_setter); + StringName getter = *reinterpret_cast<const StringName *>(p_getter); + String property_name = *reinterpret_cast<const StringName *>(p_info->name); + ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property '" + property_name + "' for unexisting class '" + class_name + "'."); + + //Extension *extension = &self->extension_classes[class_name]; + PropertyInfo pinfo(*p_info); + + ClassDB::add_property(class_name, pinfo, setter, getter); +} + +void GDExtension::_register_extension_class_property_group(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_group_name, GDExtensionConstStringPtr p_prefix) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + String group_name = *reinterpret_cast<const String *>(p_group_name); + String prefix = *reinterpret_cast<const String *>(p_prefix); + ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property group '" + group_name + "' for unexisting class '" + class_name + "'."); + + ClassDB::add_property_group(class_name, group_name, prefix); +} + +void GDExtension::_register_extension_class_property_subgroup(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_subgroup_name, GDExtensionConstStringPtr p_prefix) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + String subgroup_name = *reinterpret_cast<const String *>(p_subgroup_name); + String prefix = *reinterpret_cast<const String *>(p_prefix); + ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property subgroup '" + subgroup_name + "' for unexisting class '" + class_name + "'."); + + ClassDB::add_property_subgroup(class_name, subgroup_name, prefix); +} + +void GDExtension::_register_extension_class_signal(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_signal_name, const GDExtensionPropertyInfo *p_argument_info, GDExtensionInt p_argument_count) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + StringName signal_name = *reinterpret_cast<const StringName *>(p_signal_name); + ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class signal '" + signal_name + "' for unexisting class '" + class_name + "'."); + + MethodInfo s; + s.name = signal_name; + for (int i = 0; i < p_argument_count; i++) { + PropertyInfo arg(p_argument_info[i]); + s.arguments.push_back(arg); + } + ClassDB::add_signal(class_name, s); +} + +void GDExtension::_unregister_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + StringName class_name = *reinterpret_cast<const StringName *>(p_class_name); + ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to unregister unexisting extension class '" + class_name + "'."); + Extension *ext = &self->extension_classes[class_name]; + ERR_FAIL_COND_MSG(ext->gdextension.children.size(), "Attempt to unregister class '" + class_name + "' while other extension classes inherit from it."); + + ClassDB::unregister_extension_class(class_name); + if (ext->gdextension.parent != nullptr) { + ext->gdextension.parent->children.erase(&ext->gdextension); + } + self->extension_classes.erase(class_name); +} + +void GDExtension::_get_library_path(GDExtensionClassLibraryPtr p_library, GDExtensionStringPtr r_path) { + GDExtension *self = reinterpret_cast<GDExtension *>(p_library); + + *(String *)r_path = self->library_path; +} + +Error GDExtension::open_library(const String &p_path, const String &p_entry_symbol) { + Error err = OS::get_singleton()->open_dynamic_library(p_path, library, true, &library_path); + if (err != OK) { + ERR_PRINT("GDExtension dynamic library not found: " + p_path); + return err; + } + + void *entry_funcptr = nullptr; + + err = OS::get_singleton()->get_dynamic_library_symbol_handle(library, p_entry_symbol, entry_funcptr, false); + + if (err != OK) { + ERR_PRINT("GDExtension entry point '" + p_entry_symbol + "' not found in library " + p_path); + OS::get_singleton()->close_dynamic_library(library); + return err; + } + + GDExtensionInitializationFunction initialization_function = (GDExtensionInitializationFunction)entry_funcptr; + + if (initialization_function(&gdextension_interface, this, &initialization)) { + level_initialized = -1; + return OK; + } else { + ERR_PRINT("GDExtension initialization function '" + p_entry_symbol + "' returned an error."); + return FAILED; + } +} + +void GDExtension::close_library() { + ERR_FAIL_COND(library == nullptr); + OS::get_singleton()->close_dynamic_library(library); + + library = nullptr; +} + +bool GDExtension::is_library_open() const { + return library != nullptr; +} + +GDExtension::InitializationLevel GDExtension::get_minimum_library_initialization_level() const { + ERR_FAIL_COND_V(library == nullptr, INITIALIZATION_LEVEL_CORE); + return InitializationLevel(initialization.minimum_initialization_level); +} + +void GDExtension::initialize_library(InitializationLevel p_level) { + ERR_FAIL_COND(library == nullptr); + ERR_FAIL_COND_MSG(p_level <= int32_t(level_initialized), vformat("Level '%d' must be higher than the current level '%d'", p_level, level_initialized)); + + level_initialized = int32_t(p_level); + + ERR_FAIL_COND(initialization.initialize == nullptr); + + initialization.initialize(initialization.userdata, GDExtensionInitializationLevel(p_level)); +} +void GDExtension::deinitialize_library(InitializationLevel p_level) { + ERR_FAIL_COND(library == nullptr); + ERR_FAIL_COND(p_level > int32_t(level_initialized)); + + level_initialized = int32_t(p_level) - 1; + initialization.deinitialize(initialization.userdata, GDExtensionInitializationLevel(p_level)); +} + +void GDExtension::_bind_methods() { + ClassDB::bind_method(D_METHOD("open_library", "path", "entry_symbol"), &GDExtension::open_library); + ClassDB::bind_method(D_METHOD("close_library"), &GDExtension::close_library); + ClassDB::bind_method(D_METHOD("is_library_open"), &GDExtension::is_library_open); + + ClassDB::bind_method(D_METHOD("get_minimum_library_initialization_level"), &GDExtension::get_minimum_library_initialization_level); + ClassDB::bind_method(D_METHOD("initialize_library", "level"), &GDExtension::initialize_library); + + BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_CORE); + BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_SERVERS); + BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_SCENE); + BIND_ENUM_CONSTANT(INITIALIZATION_LEVEL_EDITOR); +} + +GDExtension::GDExtension() { +} + +GDExtension::~GDExtension() { + if (library != nullptr) { + close_library(); + } +} + +extern void gdextension_setup_interface(GDExtensionInterface *p_interface); + +void GDExtension::initialize_gdextensions() { + gdextension_setup_interface(&gdextension_interface); + + gdextension_interface.classdb_register_extension_class = _register_extension_class; + gdextension_interface.classdb_register_extension_class_method = _register_extension_class_method; + gdextension_interface.classdb_register_extension_class_integer_constant = _register_extension_class_integer_constant; + gdextension_interface.classdb_register_extension_class_property = _register_extension_class_property; + gdextension_interface.classdb_register_extension_class_property_group = _register_extension_class_property_group; + gdextension_interface.classdb_register_extension_class_property_subgroup = _register_extension_class_property_subgroup; + gdextension_interface.classdb_register_extension_class_signal = _register_extension_class_signal; + gdextension_interface.classdb_unregister_extension_class = _unregister_extension_class; + gdextension_interface.get_library_path = _get_library_path; +} + +Ref<Resource> GDExtensionResourceLoader::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) { + Ref<ConfigFile> config; + config.instantiate(); + + Error err = config->load(p_path); + + if (r_error) { + *r_error = err; + } + + if (err != OK) { + ERR_PRINT("Error loading GDExtension configuration file: " + p_path); + return Ref<Resource>(); + } + + if (!config->has_section_key("configuration", "entry_symbol")) { + if (r_error) { + *r_error = ERR_INVALID_DATA; + } + ERR_PRINT("GDExtension configuration file must contain a \"configuration/entry_symbol\" key: " + p_path); + return Ref<Resource>(); + } + + String entry_symbol = config->get_value("configuration", "entry_symbol"); + + String library_path = GDExtension::find_extension_library(p_path, config, [](String p_feature) { return OS::get_singleton()->has_feature(p_feature); }); + + if (library_path.is_empty()) { + if (r_error) { + *r_error = ERR_FILE_NOT_FOUND; + } + const String os_arch = OS::get_singleton()->get_name().to_lower() + "." + Engine::get_singleton()->get_architecture_name(); + ERR_PRINT(vformat("No GDExtension library found for current OS and architecture (%s) in configuration file: %s", os_arch, p_path)); + return Ref<Resource>(); + } + + if (!library_path.is_resource_file() && !library_path.is_absolute_path()) { + library_path = p_path.get_base_dir().path_join(library_path); + } + + Ref<GDExtension> lib; + lib.instantiate(); + String abs_path = ProjectSettings::get_singleton()->globalize_path(library_path); + err = lib->open_library(abs_path, entry_symbol); + + if (r_error) { + *r_error = err; + } + + if (err != OK) { + // Errors already logged in open_library() + return Ref<Resource>(); + } + + return lib; +} + +void GDExtensionResourceLoader::get_recognized_extensions(List<String> *p_extensions) const { + p_extensions->push_back("gdextension"); +} + +bool GDExtensionResourceLoader::handles_type(const String &p_type) const { + return p_type == "GDExtension"; +} + +String GDExtensionResourceLoader::get_resource_type(const String &p_path) const { + String el = p_path.get_extension().to_lower(); + if (el == "gdextension") { + return "GDExtension"; + } + return ""; +} |