godot/platform/windows/libgodot_windows.cpp

/**************************************************************************/
/*  libgodot_windows.cpp                                                  */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
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/* included in all copies or substantial portions of the Software.        */
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#include "core/extension/libgodot.h"

#include "core/extension/godot_instance.h"
#include "main/main.h"

#include "os_windows.h"

static OS_Windows *os = nullptr;

static GodotInstance *instance = nullptr;

GDExtensionObjectPtr libgodot_create_godot_instance(int p_argc, char *p_argv[], GDExtensionInitializationFunction p_init_func) {
	ERR_FAIL_COND_V_MSG(instance != nullptr, nullptr, "Only one Godot Instance may be created at a time.");

	os = new OS_Windows(GetModuleHandle(nullptr));

	Error err = Main::setup(p_argv[0], p_argc - 1, &p_argv[1], false);
	if (err != OK) {
		return nullptr;
	}

	instance = memnew(GodotInstance);
	if (!instance->initialize(p_init_func)) {
		memdelete(instance);
		instance = nullptr;
		return nullptr;
	}

	return (GDExtensionObjectPtr)instance;
}

void libgodot_destroy_godot_instance(GDExtensionObjectPtr p_godot_instance) {
	GodotInstance *godot_instance = (GodotInstance *)p_godot_instance;
	if (instance == godot_instance) {
		godot_instance->stop();
		memdelete(godot_instance);
		// Note: When Godot Engine supports reinitialization, clear the instance pointer here.
		//instance = nullptr;
		Main::cleanup();
	}
}