/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of Penumbra Overture.
 */

#include "hpl1/penumbra-overture/DemoEndText.h"

#include "hpl1/penumbra-overture/ButtonHandler.h"
#include "hpl1/penumbra-overture/GraphicsHelper.h"
#include "hpl1/penumbra-overture/Init.h"
#include "hpl1/penumbra-overture/MainMenu.h"
#include "hpl1/penumbra-overture/MapHandler.h"

//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

cDemoEndText::cDemoEndText(cInit *apInit) : iUpdateable("PreMenu") {
	mpInit = apInit;
	mpDrawer = mpInit->mpGame->GetGraphics()->GetDrawer();

	// Load fonts
	// mpFont = mpInit->mpGame->GetResources()->GetFontManager()->CreateFontData("verdana.fnt");

	Reset();
}

//-----------------------------------------------------------------------

cDemoEndText::~cDemoEndText(void) {
}

//-----------------------------------------------------------------------

//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

void cDemoEndText::Reset() {
	mbActive = false;

	mfAlpha = 0;
	mfAlphaAdd = 0.6f;

	mlCurrentImage = 0;
}

//-----------------------------------------------------------------------

void cDemoEndText::OnPostSceneDraw() {
	if (mbActive == false)
		return;
	if (mvTextures.empty())
		return;

	mpInit->mpGraphicsHelper->ClearScreen(cColor(0, 0));

	mpInit->mpGraphicsHelper->DrawTexture(mvTextures[mlCurrentImage], 0,
										  cVector2f(800, 600), cColor(mfAlpha, 1));
}

//-----------------------------------------------------------------------

void cDemoEndText::OnDraw() {
}

//-----------------------------------------------------------------------

void cDemoEndText::Update(float afTimeStep) {
	mfAlpha += mfAlphaAdd * afTimeStep;

	if (mfAlphaAdd > 0) {
		if (mfAlpha > 1)
			mfAlpha = 1;
	} else {
		if (mfAlpha < 0) {
			mfAlpha = 0;
			mfAlphaAdd = -mfAlphaAdd;
			if (mlCurrentImage >= (int)mvTextures.size() - 1) {
				SetActive(false);
			} else {
				mlCurrentImage++;
			}
		}
	}
}

//-----------------------------------------------------------------------

void cDemoEndText::OnMouseDown(eMButton aButton) {
	OnButtonDown();
}

//-----------------------------------------------------------------------

void cDemoEndText::OnButtonDown() {
	if (mfAlphaAdd > 0 && mfAlpha == 1) {
		mfAlphaAdd = -mfAlphaAdd;
	}
}

//-----------------------------------------------------------------------

void cDemoEndText::SetActive(bool abX) {
	if (mbActive == abX)
		return;

	mbActive = abX;

	if (mbActive) {
		mpInit->mpGame->GetScene()->GetWorld3D()->DestroyAllSoundEntities();

		mpInit->mpGame->GetUpdater()->SetContainer("DemoEndText");
		mpInit->mpGame->GetScene()->SetDrawScene(false);
		mpInit->mpGame->GetScene()->SetUpdateMap(false);
		mpInit->mpButtonHandler->ChangeState(eButtonHandlerState_DemoEndText);

		for (int i = 0; i < 3; ++i) {
			iTexture *pTex = mpInit->mpGame->GetResources()->GetTextureManager()->Create2D(
				"demo_end0" + cString::ToString(i) + ".jpg", false);
			if (pTex)
				mvTextures.push_back(pTex);
		}

		mfAlpha = 0;
	} else {
		for (size_t i = 0; i < mvTextures.size(); ++i) {
			mpInit->mpGame->GetResources()->GetTextureManager()->Destroy(mvTextures[i]);
		}
		mvTextures.clear();

		mpInit->mpGame->Exit();
	}
}

//-----------------------------------------------------------------------

void cDemoEndText::OnExit() {
	// SetActive(false);
}

//-----------------------------------------------------------------------

//////////////////////////////////////////////////////////////////////////
// PRIVATE METHODS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

//-----------------------------------------------------------------------