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love / src / modules / timer / wrap_Timer.cpp

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/**
 * Copyright (c) 2006-2012 LOVE Development Team
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 **/

#include "common/config.h"

// LOVE
#include "wrap_Timer.h"

#include "sdl/Timer.h"

namespace love
{
namespace timer
{

static Timer *instance = 0;

int w_step(lua_State *)
{
	instance->step();
	return 0;
}

int w_getDelta(lua_State *L)
{
	lua_pushnumber(L, instance->getDelta());
	return 1;
}

int w_getFPS(lua_State *L)
{
	lua_pushnumber(L, instance->getFPS());
	return 1;
}

int w_sleep(lua_State *L)
{
	instance->sleep((float) luaL_checknumber(L, 1));
	return 0;
}

int w_getTime(lua_State *L)
{
	lua_pushnumber(L, instance->getTime());
	return 1;
}

int w_getMicroTime(lua_State *L)
{
	lua_pushnumber(L, instance->getMicroTime());
	return 1;
}

// List of functions to wrap.
static const luaL_Reg functions[] =
{
	{ "step", w_step },
	{ "getDelta", w_getDelta },
	{ "getFPS", w_getFPS },
	{ "sleep", w_sleep },
	{ "getTime", w_getTime },
	{ "getMicroTime", w_getMicroTime },
	{ 0, 0 }
};


extern "C" int luaopen_love_timer(lua_State *L)
{
	if (instance == 0)
	{
		try
		{
			instance = new love::timer::sdl::Timer();

		}
		catch(Exception &e)
		{
			return luaL_error(L, e.what());
		}
	}
	else
		instance->retain();

	WrappedModule w;
	w.module = instance;
	w.name = "timer";
	w.flags = MODULE_T;
	w.functions = functions;
	w.types = 0;

	return luax_register_module(L, w);
}

} // timer
} // love