/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header$
 *
 */

#ifndef ANIMATION_H
#define ANIMATION_H

#ifndef _MSC_VER
#include <inttypes.h>
#endif
#ifdef USE_MPEG2
extern "C" {
	#include <mpeg2dec/mpeg2.h>
}
#endif

namespace Sword2 {

#define SQR(x) ((x) * (x))

#define SHIFT 3
#define BITDEPTH (1 << (8 - SHIFT))
#define ROUNDADD (1 << (SHIFT - 1))

#define BUFFER_SIZE 4096

class AnimationState {
private:
	Sword2Engine *_vm;

	int palnum;

	byte lookup[2][BITDEPTH * BITDEPTH * BITDEPTH];
	byte *lut;
	byte *lut2;
	int lutcalcnum;

	int framenum;

#ifdef USE_MPEG2
	mpeg2dec_t *decoder;
	const mpeg2_info_t *info;
#endif

	File *mpgfile;
	File *sndfile;

	int curpal;
	int cr;
	int pos;

	struct {
		int cnt;
		int end;
		byte pal[4 * 256];
	} palettes[50];

	byte buffer[BUFFER_SIZE];

	PlayingSoundHandle bgSound;

public:
	AnimationState(Sword2Engine *vm);
	~AnimationState();

	bool init(const char *name);
	bool decodeFrame();

private:
	void buildLookup(int p, int lines);
	void checkPaletteSwitch();
};

class MoviePlayer {
private:
	Sword2Engine *_vm;
	uint8 *_textSurface;

	void openTextObject(MovieTextObject *obj);
	void closeTextObject(MovieTextObject *obj);
	void drawTextObject(MovieTextObject *obj);

public:
	MoviePlayer(Sword2Engine *vm) : _vm(vm), _textSurface(NULL) {}
	int32 play(const char *filename, MovieTextObject *text[], uint8 *musicOut);
	int32 playDummy(const char *filename, MovieTextObject *text[], uint8 *musicOut);
};

} // End of namespace Sword2

#endif