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sound.c

/*
* IceBreaker
* Copyright (c) 2000-2001 Matthew Miller <mattdm@mattdm.org>
*   http://www.mattdm.org/
*
* 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
*
*/

#include <SDL.h>
#include <SDL_mixer.h>
#include "icebreaker.h"
#include "sound.h"
#include "options.h"

int soundsystemworks=false;

static Mix_Chunk *sndouch = NULL;
static Mix_Chunk *sndbreak = NULL;


void initsound()
{
      if (SDL_InitSubSystem(SDL_INIT_AUDIO))
      {     
            soundsystemworks=false;
            fprintf(stderr, "Can't start sound subsystem: %s\nContinuing without it.\n", SDL_GetError());
      }     
      else if  (Mix_OpenAudio(11025, (Uint16)AUDIO_U8, 2, 256))
      {
            soundsystemworks=false;
            fprintf(stderr, "Can't open audio: %s\nContinuing without it.\n", SDL_GetError());
      }
      else
      {
            soundsystemworks=true;
            if ( (sndouch=Mix_LoadWAV(DATAPREFIX "/" SNDFILEOUCH)) == NULL)
                  fprintf(stderr, "Error loading " DATAPREFIX "/" SNDFILEOUCH "\n%s\n", SDL_GetError());
            if ( (sndbreak=Mix_LoadWAV(DATAPREFIX "/" SNDFILEBREAK)) == NULL)
                  fprintf(stderr, "Error loading " DATAPREFIX "/" SNDFILEBREAK "\n%s\n", SDL_GetError());
      }
}


void quitsound()
{
      while (Mix_Playing(-1)); 
      
      if (sndouch) { Mix_FreeChunk(sndouch); sndouch = NULL; }
      if (sndbreak) { Mix_FreeChunk(sndbreak); sndbreak = NULL; }
      
      if (soundsystemworks) Mix_CloseAudio();   
}


void playsound(SoundSample s)
{
      if (soundsystemworks && options.sound==SOUNDON)
      {
            switch (s)
            {
                  case SNDOUCH:
                        Mix_PlayChannel(-1, sndouch, 0);    
                  break;
                  case SNDBREAK:
                        Mix_PlayChannel(-1, sndbreak, 0);   
                  break;
            }
      }
}

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