sound.h

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/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef sound_h_included
#define sound_h_included

#include "../ascstring.h"
#include "../music.h"


class Sound_InternalData;

class Sound {
   public:
     Sound( const ASCString& filename, int fadeIn = 0 );
     Sound( const ASCString& startSoundFilename, const ASCString& continuousSoundFilename, int fadeIn = 0 );


     void play(void);
     void playWait(void);

     void playLoop();
     void stop();

     void fadeOut ( int ms );

     bool load();

     friend class SoundSystem;

     ~Sound(void);
   private:
     const ASCString name;

     int startPlaying( bool loop ); 

     void finishedSignal( int channelnum );

     Sound_InternalData* internalData;
     
     int fadeIn;
     bool waitingForMainWave;
};


class SoundSystem_InternalData;

class SoundSystem {
      bool effectsMuted;
      bool off;
      bool sdl_initialized;
      bool mix_initialized;
      int musicVolume;
      int effectVolume;

      static SoundSystem* instance;

      SoundSystem_InternalData* internalData;
      

      static void trackFinished( void );

      void nextTrack ( void );

      static void channelFinishedCallback( int channelnum );

      enum MusicState { uninitialized, init_ready, init_paused, playing, paused } musicState;
   protected:

      friend class Sound;

   public:
      SoundSystem ( bool muteEffects, bool muteMusic, bool off );

      void setEffectsMute ( bool mute );

      bool areEffectsMuted ( ) { return effectsMuted || off; };

      bool isOff ( ) { return off; };

      void playMusic ( MusicPlayList* playlist );

      void pauseMusic();

      void resumeMusic();

      void resumePauseMusic();

      void setMusicVolume( int Volume );

      void setEffectVolume( int Volume );

      int getEffectVolume( ) { return effectVolume; };

      static SoundSystem* getInstance() { return instance; };

      ASCString getDiagnosticText();

      ~SoundSystem();
};

#endif

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