/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004-2005 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.
 *
 * $Header$
 *
 */

#ifndef SOUND_H
#define SOUND_H

#include "common/stdafx.h"
#include "common/scummsys.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
#include "kyra/kyra.h"

namespace Kyra {

class MusicPlayer : public MidiDriver {
public:

	MusicPlayer(MidiDriver *driver, KyraEngine *engine);
	~MusicPlayer();

	void setVolume(int volume);
	int getVolume() { return _volume; }

	void hasNativeMT32(bool nativeMT32) { _nativeMT32 = nativeMT32; }
	bool isMT32() { return _nativeMT32; }

	void playMusic(const char* file);
	void playMusic(uint8* data, uint32 size);
	void stopMusic();

	void playTrack(uint8 track, bool looping = true);
	void haltTrack() { _isPlaying = false; }
	void startTrack() { _isPlaying = true; }
	void setPassThrough(bool b)	{ _passThrough = b; }

	void loadSoundEffectFile(const char* file);
	void loadSoundEffectFile(uint8* data, uint32 size);
	void stopSoundEffect();

	void playSoundEffect(uint8 track);

	void beginFadeOut();

	//MidiDriver interface implementation
	int open();
	void close();
	void send(uint32 b);
	void metaEvent(byte type, byte *data, uint16 length);

	void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
	uint32 getBaseTempo(void) { return _driver ? _driver->getBaseTempo() : 0; }

	//Channel allocation functions
	MidiChannel *allocateChannel()		{ return 0; }
	MidiChannel *getPercussionChannel()	{ return 0; }

protected:

	static void onTimer(void *data);

	MidiChannel* _channel[32];
	int _virChannel[16];
	uint8 _channelVolume[16];
	MidiDriver* _driver;
	bool _nativeMT32;
	bool _passThrough;
	uint8 _volume;
	bool _isPlaying;
	bool _sfxIsPlaying;
	uint32 _fadeStartTime;
	bool _fadeMusicOut;
	bool _isLooping;
	bool _eventFromMusic;
	MidiParser *_parser;
	byte *_parserSource;
	MidiParser *_soundEffect;
	byte *_soundEffectSource;
	KyraEngine *_engine;
};

} // end of namespace Kyra

#endif