StarryWorm
99 lines
4.6 KiB
C++
99 lines
4.6 KiB
C++
/**************************************************************************/
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/* gdextension_resource_format.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "gdextension_resource_format.h"
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#include "core/extension/gdextension_manager.h"
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#include "core/object/class_db.h"
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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) {
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// We can't have two GDExtension resource object representing the same library, because
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// loading (or unloading) a GDExtension affects global data. So, we need reuse the same
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// object if one has already been loaded (even if caching is disabled at the resource
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// loader level).
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GDExtensionManager *manager = GDExtensionManager::get_singleton();
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if (manager->is_extension_loaded(p_path)) {
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return manager->get_extension(p_path);
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}
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Ref<GDExtension> lib;
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Error err = load_gdextension_resource(p_path, lib);
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if (err != OK && r_error) {
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// Errors already logged in load_gdextension_resource().
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*r_error = err;
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}
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return lib;
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}
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void GDExtensionResourceLoader::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("gdextension");
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}
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bool GDExtensionResourceLoader::handles_type(const String &p_type) const {
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return p_type == "GDExtension";
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}
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String GDExtensionResourceLoader::get_resource_type(const String &p_path) const {
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if (p_path.has_extension("gdextension")) {
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return "GDExtension";
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}
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return "";
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}
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Error GDExtensionResourceLoader::load_gdextension_resource(const String &p_path, Ref<GDExtension> &p_extension) {
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ERR_FAIL_COND_V_MSG(p_extension.is_valid() && p_extension->is_library_open(), ERR_ALREADY_IN_USE, "Cannot load GDExtension resource into already opened library.");
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GDExtensionManager *extension_manager = GDExtensionManager::get_singleton();
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GDExtensionManager::LoadStatus status = extension_manager->load_extension(p_path);
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if (status != GDExtensionManager::LOAD_STATUS_OK && status != GDExtensionManager::LOAD_STATUS_ALREADY_LOADED) {
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// Errors already logged in load_extension().
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return FAILED;
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}
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p_extension = extension_manager->get_extension(p_path);
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return OK;
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}
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#ifdef TOOLS_ENABLED
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void GDExtensionResourceLoader::get_classes_used(const String &p_path, HashSet<StringName> *r_classes) {
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Ref<GDExtension> gdext = ResourceLoader::load(p_path);
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if (gdext.is_null()) {
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return;
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}
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for (const StringName class_name : gdext->get_classes_used()) {
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if (ClassDB::class_exists(class_name)) {
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r_classes->insert(class_name);
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}
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}
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}
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#endif // TOOLS_ENABLED
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