133 lines
7 KiB
C++
133 lines
7 KiB
C++
/**************************************************************************/
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/* gdextension.h */
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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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#ifndef GDEXTENSION_H
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#define GDEXTENSION_H
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#include <functional>
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#include "core/extension/gdextension_interface.h"
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#include "core/io/config_file.h"
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#include "core/io/resource_loader.h"
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#include "core/object/ref_counted.h"
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class GDExtension : public Resource {
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GDCLASS(GDExtension, Resource)
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void *library = nullptr; // pointer if valid,
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String library_path;
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struct Extension {
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ObjectGDExtension gdextension;
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};
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HashMap<StringName, Extension> extension_classes;
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static void _register_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo *p_extension_funcs);
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static void _register_extension_class_method(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassMethodInfo *p_method_info);
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static void _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);
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static void _register_extension_class_property(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter);
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static void _register_extension_class_property_group(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_group_name, GDExtensionConstStringNamePtr p_prefix);
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static void _register_extension_class_property_subgroup(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_subgroup_name, GDExtensionConstStringNamePtr p_prefix);
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static void _register_extension_class_signal(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_signal_name, const GDExtensionPropertyInfo *p_argument_info, GDExtensionInt p_argument_count);
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static void _unregister_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name);
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static void _get_library_path(GDExtensionClassLibraryPtr p_library, GDExtensionStringPtr r_path);
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GDExtensionInitialization initialization;
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int32_t level_initialized = -1;
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protected:
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static void _bind_methods();
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public:
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HashMap<String, String> class_icon_paths;
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static String get_extension_list_config_file();
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static String find_extension_library(const String &p_path, Ref<ConfigFile> p_config, std::function<bool(String)> p_has_feature, PackedStringArray *r_tags = nullptr);
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Error open_library(const String &p_path, const String &p_entry_symbol);
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void close_library();
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enum InitializationLevel {
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INITIALIZATION_LEVEL_CORE = GDEXTENSION_INITIALIZATION_CORE,
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INITIALIZATION_LEVEL_SERVERS = GDEXTENSION_INITIALIZATION_SERVERS,
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INITIALIZATION_LEVEL_SCENE = GDEXTENSION_INITIALIZATION_SCENE,
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INITIALIZATION_LEVEL_EDITOR = GDEXTENSION_INITIALIZATION_EDITOR
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};
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bool is_library_open() const;
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InitializationLevel get_minimum_library_initialization_level() const;
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void initialize_library(InitializationLevel p_level);
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void deinitialize_library(InitializationLevel p_level);
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static void register_interface_function(StringName p_function_name, GDExtensionInterfaceFunctionPtr p_function_pointer);
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static GDExtensionInterfaceFunctionPtr get_interface_function(StringName p_function_name);
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static void initialize_gdextensions();
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GDExtension();
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~GDExtension();
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};
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VARIANT_ENUM_CAST(GDExtension::InitializationLevel)
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class GDExtensionResourceLoader : public ResourceFormatLoader {
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public:
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virtual Ref<Resource> load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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#ifdef TOOLS_ENABLED
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class GDExtensionEditorPlugins {
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private:
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static Vector<StringName> extension_classes;
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protected:
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friend class EditorNode;
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// Since this in core, we can't directly reference EditorNode, so it will
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// set these function pointers in its constructor.
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typedef void (*EditorPluginRegisterFunc)(const StringName &p_class_name);
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static EditorPluginRegisterFunc editor_node_add_plugin;
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static EditorPluginRegisterFunc editor_node_remove_plugin;
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public:
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static void add_extension_class(const StringName &p_class_name);
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static void remove_extension_class(const StringName &p_class_name);
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static const Vector<StringName> &get_extension_classes() {
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return extension_classes;
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}
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};
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#endif // TOOLS_ENABLED
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#endif // GDEXTENSION_H
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