/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2006 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 SCUMM_HE_SOUND_HE_H
#define SCUMM_HE_SOUND_HE_H

#include "common/scummsys.h"
#include "scumm/sound.h"

namespace Scumm {

class ScummEngine_v60he;

class SoundHE : public Sound {
protected:
	ScummEngine_v60he *_vm;

	int _overrideFreq;

	struct HEMusic {
		int32 id;
		int32 offset;
		int32 size;
	};
	HEMusic *_heMusic;
	int16 _heMusicTracks;

	Audio::SoundHandle _heSoundChannels[8];

public: // Used by createSound()
	struct {
		int sound;
		int codeOffs;
		int priority;
		int timer;
		int sbngBlock;
		int soundVars[27];
	} _heChannel[8];

public:
	SoundHE(ScummEngine *parent);
	~SoundHE();
	
	virtual void addSoundToQueue(int sound, int heOffset = 0, int heChannel = 0, int heFlags = 0);
	virtual void addSoundToQueue2(int sound, int heOffset = 0, int heChannel = 0, int heFlags = 0);

	virtual int isSoundRunning(int sound) const;
	virtual void stopSound(int sound);
	virtual void stopAllSounds();
	virtual void setupSound();

	bool getHEMusicDetails(int id, int &musicOffs, int &musicSize);
	int findFreeSoundChannel();
	int isSoundCodeUsed(int sound);
	int getSoundPos(int sound);
	int getSoundVar(int sound, int var);
	void setSoundVar(int sound, int var, int val);
	void playHESound(int soundID, int heOffset, int heChannel, int heFlags);
	void processSoundCode();
	void processSoundOpcodes(int sound, byte *codePtr, int *soundVars);
	void setOverrideFreq(int freq);
	void setupHEMusicFile();
	void startHETalkSound(uint32 offset);
	void stopSoundChannel(int chan);

protected:
	virtual void processSoundQueues();
};


} // End of namespace Scumm

#endif