godot-cpp/src/godot.cpp

/*************************************************************************/
/*  godot.cpp                                                            */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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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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#include <godot_cpp/godot.hpp>

#include <godot_cpp/classes/wrapped.hpp>
#include <godot_cpp/core/class_db.hpp>
#include <godot_cpp/core/memory.hpp>
#include <godot_cpp/variant/variant.hpp>

#include <godot_cpp/core/error_macros.hpp>

namespace godot {

namespace internal {

const GDNativeInterface *interface;
GDNativeExtensionClassLibraryPtr library;
void *token;

} // namespace internal

GDNativeBool GDExtensionBinding::init(const GDNativeInterface *p_interface, const GDNativeExtensionClassLibraryPtr p_library, GDNativeInitialization *r_initialization) {
	internal::interface = p_interface;
	internal::library = p_library;
	internal::token = p_library;

	r_initialization->initialize = initialize_level;
	r_initialization->deinitialize = deinitialize_level;

	Variant::init_bindings();

	return true;
}

void GDExtensionBinding::initialize_level(void *userdata, GDNativeInitializationLevel p_level) {
	ClassDB::initialize(p_level);
}

void GDExtensionBinding::deinitialize_level(void *userdata, GDNativeInitializationLevel p_level) {
	ClassDB::deinitialize(p_level);
}

void *GDExtensionBinding::create_instance_callback(void *p_token, void *p_instance) {
	ERR_FAIL_COND_V_MSG(p_token != internal::library, nullptr, "Asking for creating instance with invalid token.");
	Wrapped *wrapped = memnew(Wrapped(p_instance));
	return wrapped;
}

void GDExtensionBinding::free_instance_callback(void *p_token, void *p_instance, void *p_binding) {
	ERR_FAIL_COND_MSG(p_token != internal::library, "Asking for freeing instance with invalid token.");
	memdelete((Wrapped *)p_binding);
}

} // namespace godot