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/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005-2006 The ScummVM project
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef __lure_animseq_h__
#define __lure_animseq_h__

#include "lure/screen.h"

namespace Lure {

enum AnimAbortType {ABORT_NONE, ABORT_END_INTRO, ABORT_NEXT_SCENE};

class AnimationSequence {
private:
	Screen &_screen;
	OSystem &_system;
	uint16 _screenId;
	Palette &_palette;
	MemoryBlock *_decodedData;
	MemoryBlock *_lineRefs;
	byte *_pPixels, *_pLines;
	byte *_pPixelsEnd, *_pLinesEnd;

	AnimAbortType delay(uint32 milliseconds);
	void decodeFrame(byte *&pPixels, byte *&pLines);
public:
	AnimationSequence(Screen &screen, OSystem &system, uint16 screenId, Palette &palette, 
		bool fadeIn);
	~AnimationSequence();

	AnimAbortType show();
	bool step();
};

} // End of namespace Lure

#endif