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/* 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#ifndef WINTERMUTE_PARTPARTICLE_H
#define WINTERMUTE_PARTPARTICLE_H


#include "engines/wintermute/Base/BBase.h"
#include "engines/wintermute/math/Vector2.h"

namespace WinterMute {

class CPartEmitter;
class CBSprite;
class CBPersistMgr;

class CPartParticle : public CBBase {
public:
	enum TParticleState {
	    PARTICLE_NORMAL, PARTICLE_FADEIN, PARTICLE_FADEOUT
	};

	CPartParticle(CBGame *inGame);
	virtual ~CPartParticle(void);

	float _growthRate;
	bool _exponentialGrowth;

	float _rotation;
	float _angVelocity;

	int _alpha1;
	int _alpha2;

	RECT _border;
	Vector2 _pos;
	float _posZ;
	Vector2 _velocity;
	float _scale;
	CBSprite *_sprite;
	uint32 _creationTime;
	int _lifeTime;
	bool _isDead;
	TParticleState _state;

	HRESULT update(CPartEmitter *Emitter, uint32 CurrentTime, uint32 TimerDelta);
	HRESULT display(CPartEmitter *Emitter);

	HRESULT setSprite(const char *Filename);

	HRESULT fadeIn(uint32 CurrentTime, int FadeTime);
	HRESULT fadeOut(uint32 CurrentTime, int FadeTime);

	HRESULT persist(CBPersistMgr *PersistMgr);
private:
	uint32 _fadeStart;
	int _fadeTime;
	int _currentAlpha;
	int _fadeStartAlpha;
};

} // end of namespace WinterMute

#endif