/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
**]  All rights reserved.
*
* vi:ts=4 sw=4 tw=75
*
* Distributable under the terms and conditions of the 2-clause BSD license;
* see the file COPYING for a complete text of the license.
*
**************************************************************************/

#include <Moof/Core.hh>
#include <Moof/OpenGL.hh>
#include <Moof/Transition.hh>

#include "GameLayer.hh"
#include "TitleLayer.hh"


void TitleLayer::addedToCore()
{
	mFadeIn.init(0.0, 1.0);
	mFadeIn.reset(0.1);

	mGameLayer = GameLayer::alloc();
}

void TitleLayer::update(Mf::Scalar t, Mf::Scalar dt)
{
	mFadeIn.update(t, dt);
}

void TitleLayer::draw(Mf::Scalar alpha) const
{
	glClearColor(0.0, 0.0, mFadeIn.getState(alpha), 1.0);
	glClear(GL_COLOR_BUFFER_BIT);
}

bool TitleLayer::handleEvent(const Mf::Event& event)
{
	switch (event.type)
	{
		case SDL_KEYUP:
			if (event.key.keysym.sym == SDLK_ESCAPE)
			{
				break;
			}

			Mf::LayerP titleLayer = Mf::core.pop(this);

			Mf::Lerp interp(0.1);
			interp.init(0.0, 1.0);

			Mf::Transition<Mf::Lerp>::Ptr transition =
				Mf::Transition<Mf::Lerp>::alloc(mGameLayer, titleLayer,
												interp);
			Mf::core.push(transition);

			return true;
	}

	return false;
}