src/sound.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux -  A Jump'n Run
   4 //  Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
   5 //  Copyright (C) 2004 Duong-Khang NGUYEN <neoneurone@users.sf.net>
   6 //
   7 //  This program is free software; you can redistribute it and/or
   8 //  modify it under the terms of the GNU General Public License
   9 //  as published by the Free Software Foundation; either version 2
  10 //  of the License, or (at your option) any later version.
  11 //
  12 //  This program is distributed in the hope that it will be useful,
  13 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 //  GNU General Public License for more details.
  16 //
  17 //  You should have received a copy of the GNU General Public License
  18 //  along with this program; if not, write to the Free Software
  19 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20 #include "defines.h"
  21 #include "globals.h"
  22 #include "sound.h"
  23 #include "setup.h"
  24
  25 /*global variable*/
  26 bool use_sound = true;    /* handle sound on/off menu and command-line option */
  27 bool use_music = true;    /* handle music on/off menu and command-line option */
  28 bool audio_device = true; /* != 0: available and initialized */
  29
  30 char * soundfilenames[NUM_SOUNDS] = {
  31                                        "/sounds/jump.wav",
  32                                        "/sounds/bigjump.wav",
  33                                        "/sounds/skid.wav",
  34                                        "/sounds/coin.wav",
  35                                        "/sounds/invincible.wav",
  36                                        "/sounds/brick.wav",
  37                                        "/sounds/hurt.wav",
  38                                        "/sounds/squish.wav",
  39                                        "/sounds/fall.wav",
  40                                        "/sounds/ricochet.wav",
  41                                        "/sounds/bump-upgrade.wav",
  42                                        "/sounds/upgrade.wav",
  43                                        "/sounds/grow.wav",
  44                                        "/sounds/fire-flower.wav",
  45                                        "/sounds/shoot.wav",
  46                                        "/sounds/lifeup.wav",
  47                                        "/sounds/stomp.wav",
  48                                        "/sounds/kick.wav",
  49                                        "/sounds/explosion.wav"
  50                                     };
  51
  52
  53 #include <SDL_mixer.h>
  54
  55 Mix_Chunk * sounds[NUM_SOUNDS];
  56
  57 /* --- OPEN THE AUDIO DEVICE --- */
  58
  59 int open_audio (int frequency, Uint16 format, int channels, int chunksize)
  60 {
  61   if (Mix_OpenAudio( frequency, format, channels, chunksize ) < 0)
  62     return -1;
  63
  64   // allocate 16 channels for mixing
  65   if (Mix_AllocateChannels(8)  != 8)
  66     return -2;
  67
  68   return 0;
  69 }
  70
  71
  72 /* --- CLOSE THE AUDIO DEVICE --- */
  73
  74 void close_audio( void )
  75 {
  76   if (audio_device) {
  77     Mix_CloseAudio();
  78   }
  79 }
  80
  81
  82 /* --- LOAD A SOUND --- */
  83
  84 Mix_Chunk* load_sound(const std::string& file)
  85 {
  86   if(!audio_device)
  87     return 0;
  88
  89   Mix_Chunk* snd = Mix_LoadWAV(file.c_str());
  90
  91   if (snd == 0)
  92     st_abort("Can't load", file);
  93
  94   return(snd);
  95 }
  96
  97 void free_chunk(Mix_Chunk *chunk)
  98 {
  99   Mix_FreeChunk( chunk );
 100 }
 101