godot-cpp/include/godot_cpp/godot.hpp

/*************************************************************************/
/*  godot.hpp                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/*************************************************************************/

#ifndef GODOT_HPP
#define GODOT_HPP

#include <godot/gdnative_interface.h>

namespace godot {

namespace internal {

extern "C" const GDNativeInterface *interface;
extern "C" GDNativeExtensionClassLibraryPtr library;
extern "C" void *token;

} // namespace internal

class GDExtensionBinding {
public:
	using Callback = void (*)();

	static Callback init_callbacks[GDNATIVE_MAX_INITIALIZATION_LEVEL];
	static Callback terminate_callbacks[GDNATIVE_MAX_INITIALIZATION_LEVEL];
	static GDNativeBool init(const GDNativeInterface *p_interface, const GDNativeExtensionClassLibraryPtr p_library, GDNativeInitialization *r_initialization);

public:
	static void initialize_level(void *userdata, GDNativeInitializationLevel p_level);
	static void deinitialize_level(void *userdata, GDNativeInitializationLevel p_level);

	static void *create_instance_callback(void *p_token, void *p_instance);
	static void free_instance_callback(void *p_token, void *p_instance, void *p_binding);

	class InitObject {
		const GDNativeInterface *interface;
		const GDNativeExtensionClassLibraryPtr library;
		GDNativeInitialization *initialization;

	public:
		InitObject(const GDNativeInterface *p_interface, const GDNativeExtensionClassLibraryPtr p_library, GDNativeInitialization *r_initialization) :
				interface(p_interface),
				library(p_library),
				initialization(r_initialization){};

		void register_core_initializer(Callback p_core_init) const;
		void register_server_initializer(Callback p_server_init) const;
		void register_scene_initializer(Callback p_scene_init) const;
		void register_editor_initializer(Callback p_editor_init) const;
		void register_driver_initializer(Callback p_driver_init) const;
		void register_core_terminator(Callback p_core_terminate) const;
		void register_server_terminator(Callback p_server_terminate) const;
		void register_scene_terminator(Callback p_scene_terminate) const;
		void register_editor_terminator(Callback p_editor_terminate) const;
		void register_driver_terminator(Callback p_driver_terminate) const;

		GDNativeBool init() const;
	};
};

} // namespace godot

#endif // ! GODOT_HPP