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player_v3a.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2005 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: /cvsroot/scummvm/scummvm/scumm/player_v3a.h,v 1.24.2.1 2005/10/18 02:11:21 sev Exp $
 *
 */

#ifndef PLAYER_V3A_H
#define PLAYER_V3A_H

#include "common/scummsys.h"
#include "scumm/music.h"
#include "scumm/player_mod.h"

class Mixer;

namespace Scumm {

class ScummEngine;

/**
 * Scumm V3 Amiga sound/music driver.
 */
00039 class Player_V3A : public MusicEngine {
public:
      Player_V3A(ScummEngine *scumm);
      virtual ~Player_V3A();

      virtual void setMusicVolume(int vol);
      virtual void startSound(int sound);
      virtual void stopSound(int sound);
      virtual void stopAllSounds();
      virtual int  getMusicTimer() const;
      virtual int  getSoundStatus(int sound) const;

private:
      enum {
            V3A_MAXMUS = 24,
            V3A_MAXSFX = 16
      };

      struct musChan {
            int id;
            int dur;
      };

      struct sfxChan {
            int id;
            int dur;
            // SFX will eventually have pitch bends
      };

      struct instData {
            char *_idat[6];
            uint16 _ilen[6];
            char *_ldat[6];
            uint16 _llen[6];
            uint16 _oct[6];
            int16 _pitadjust;
      };

      ScummEngine *_vm;
      Player_MOD *_mod;

      musChan _mus[V3A_MAXMUS];
      sfxChan _sfx[V3A_MAXSFX];

      int _curSong;
      uint8 *_songData;
      uint16 _songPtr;
      uint16 _songDelay;
      int _music_timer;
      bool _isinit;

      instData **_wavetable;

      int getMusChan (int id = 0) const;
      int getSfxChan (int id = 0) const;
      static void update_proc(void *param);
      void playMusic();
};

} // End of namespace Scumm

#endif

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