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sound.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2003-2004 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: /cvsroot/scummvm/scummvm/sky/sound.h,v 1.25 2004/01/06 12:45:32 fingolfin Exp $
 *
 */

#ifndef SKYSOUND_H
#define SKYSOUND_H

#include "stdafx.h"
#include "common/scummsys.h"
#include "sound/mixer.h"

namespace Sky {

class Disk;

enum {
      SOUND_CH0    = 0,
      SOUND_CH1    = 1,
      SOUND_BG     = 2,
      SOUND_VOICE  = 3,
      SOUND_SPEECH = 4
};

struct SfxQueue {
      uint8 count, fxNo, chan, vol;
};

#define MAX_QUEUED_FX 4

class Sound {
protected:

public:

      SoundMixer *_mixer;
      PlayingSoundHandle _voiceHandle;
      PlayingSoundHandle _effectHandle;
      PlayingSoundHandle _bgSoundHandle;
      PlayingSoundHandle _ingameSound0, _ingameSound1, _ingameSpeech;

      uint16 _saveSounds[2];

protected:

      void playSound(uint32 id, byte *sound, uint32 size, PlayingSoundHandle *handle);

public:
      Sound(SoundMixer *mixer, Disk *pDisk, uint8 pVolume);
      ~Sound(void);

      void loadSection(uint8 pSection);
      void playSound(uint16 sound, uint16 volume, uint8 channel);
      void fnStartFx(uint32 sound, uint8 channel);
      bool startSpeech(uint16 textNum);
      bool speechFinished(void) { return !_ingameSpeech.isActive(); };
      void fnPauseFx(void);
      void fnUnPauseFx(void);
      void fnStopFx(void);
      void stopSpeech(void);
      void checkFxQueue(void);
      void restoreSfx(void);
      uint8 _soundsTotal;

private:
      Disk *_skyDisk;
      uint16 _sfxBaseOfs;
      uint8 *_soundData;
      uint8 *_sampleRates, *_sfxInfo;
      uint8 _mainSfxVolume;

      static uint16 _speechConvertTable[8];
      static SfxQueue _sfxQueue[MAX_QUEUED_FX];
};

} // End of namespace Sky

#endif

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