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Diffstat (limited to 'core/extension/gdextension.h')
| -rw-r--r-- | core/extension/gdextension.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/core/extension/gdextension.h b/core/extension/gdextension.h new file mode 100644 index 0000000000..39523a142f --- /dev/null +++ b/core/extension/gdextension.h @@ -0,0 +1,104 @@ +/**************************************************************************/ +/* gdextension.h */ +/**************************************************************************/ +/* 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. */ +/**************************************************************************/ + +#ifndef GDEXTENSION_H +#define GDEXTENSION_H + +#include <functional> + +#include "core/extension/gdextension_interface.h" +#include "core/io/config_file.h" +#include "core/io/resource_loader.h" +#include "core/object/ref_counted.h" + +class GDExtension : public Resource { + GDCLASS(GDExtension, Resource) + + void *library = nullptr; // pointer if valid, + String library_path; + + struct Extension { + ObjectGDExtension gdextension; + }; + + HashMap<StringName, Extension> extension_classes; + + static void _register_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo *p_extension_funcs); + static void _register_extension_class_method(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassMethodInfo *p_method_info); + 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); + static void _register_extension_class_property(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter); + static void _register_extension_class_property_group(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_group_name, GDExtensionConstStringNamePtr p_prefix); + static void _register_extension_class_property_subgroup(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_subgroup_name, GDExtensionConstStringNamePtr p_prefix); + 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); + static void _unregister_extension_class(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name); + static void _get_library_path(GDExtensionClassLibraryPtr p_library, GDExtensionStringPtr r_path); + + GDExtensionInitialization initialization; + int32_t level_initialized = -1; + +protected: + static void _bind_methods(); + +public: + static String get_extension_list_config_file(); + static String find_extension_library(const String &p_path, Ref<ConfigFile> p_config, std::function<bool(String)> p_has_feature, PackedStringArray *r_tags = nullptr); + + Error open_library(const String &p_path, const String &p_entry_symbol); + void close_library(); + + enum InitializationLevel { + INITIALIZATION_LEVEL_CORE = GDEXTENSION_INITIALIZATION_CORE, + INITIALIZATION_LEVEL_SERVERS = GDEXTENSION_INITIALIZATION_SERVERS, + INITIALIZATION_LEVEL_SCENE = GDEXTENSION_INITIALIZATION_SCENE, + INITIALIZATION_LEVEL_EDITOR = GDEXTENSION_INITIALIZATION_EDITOR + }; + + bool is_library_open() const; + + InitializationLevel get_minimum_library_initialization_level() const; + void initialize_library(InitializationLevel p_level); + void deinitialize_library(InitializationLevel p_level); + + static void initialize_gdextensions(); + GDExtension(); + ~GDExtension(); +}; + +VARIANT_ENUM_CAST(GDExtension::InitializationLevel) + +class GDExtensionResourceLoader : public ResourceFormatLoader { +public: + 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); + virtual void get_recognized_extensions(List<String> *p_extensions) const; + virtual bool handles_type(const String &p_type) const; + virtual String get_resource_type(const String &p_path) const; +}; + +#endif // GDEXTENSION_H |