bill@newbreedsoftware.com
http://www.newbreedsoftware.com/supertux/
- April 22, 2000 - July 15, 2002
+ April 22, 2000 - December 28, 2003
*/
-#ifndef NOSOUND
+#include "defines.h"
+#include "globals.h"
+#include "sound.h"
+#include "setup.h"
+
+/*global variable*/
+int use_sound; /* handle sound on/off menu and command-line option */
+int use_music; /* handle music on/off menu and command-line option */
+int audio_device; /* != 0: available and initialized */
+int current_music;
+
+char * soundfilenames[NUM_SOUNDS] = {
+ DATA_PREFIX "/sounds/jump.wav",
+ DATA_PREFIX "/sounds/bigjump.wav",
+ DATA_PREFIX "/sounds/skid.wav",
+ DATA_PREFIX "/sounds/distro.wav",
+ DATA_PREFIX "/sounds/herring.wav",
+ DATA_PREFIX "/sounds/brick.wav",
+ DATA_PREFIX "/sounds/hurt.wav",
+ DATA_PREFIX "/sounds/squish.wav",
+ DATA_PREFIX "/sounds/fall.wav",
+ DATA_PREFIX "/sounds/ricochet.wav",
+ DATA_PREFIX "/sounds/bump-upgrade.wav",
+ DATA_PREFIX "/sounds/upgrade.wav",
+ DATA_PREFIX "/sounds/excellent.wav",
+ DATA_PREFIX "/sounds/coffee.wav",
+ DATA_PREFIX "/sounds/shoot.wav",
+ DATA_PREFIX "/sounds/lifeup.wav",
+ DATA_PREFIX "/sounds/stomp.wav",
+ DATA_PREFIX "/sounds/kick.wav"
+ };
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <SDL.h>
-#include <SDL_image.h>
+
+#ifndef NOSOUND
#include <SDL_mixer.h>
-#ifdef LINUX
-#include <pwd.h>
-#include <sys/types.h>
-#include <ctype.h>
-#endif
+Mix_Chunk * sounds[NUM_SOUNDS];
+Mix_Music * level_song, * level_song_fast, * herring_song;
-#include "defines.h"
-#include "globals.h"
-#include "sound.h"
-#include "setup.h"
+/* --- OPEN THE AUDIO DEVICE --- */
+
+int open_audio (int frequency, Uint16 format, int channels, int chunksize)
+{
+ /* if success we reserved some channels and register panning effects */
+ if (Mix_OpenAudio( frequency, format, channels, chunksize ) == 0)
+ {
+ if (Mix_ReserveChannels( SOUND_RESERVED_CHANNELS )
+ != SOUND_RESERVED_CHANNELS )
+ {
+ DEBUG_MSG( "Warning: open_audio could'nt reserve channels" );
+ }
+
+ /* prepare the spanning effects, no error checking */
+ Mix_SetPanning( SOUND_LEFT_SPEAKER, 230, 24 );
+ Mix_SetPanning( SOUND_RIGHT_SPEAKER, 24, 230 );
+ return 0;
+ }
+ else
+ {
+ return -1;
+ }
+}
+
+
+/* --- CLOSE THE AUDIO DEVICE --- */
+
+void close_audio( void )
+{
+ if (audio_device == YES) {
+ Mix_UnregisterAllEffects( SOUND_LEFT_SPEAKER );
+ Mix_UnregisterAllEffects( SOUND_RIGHT_SPEAKER );
+ Mix_CloseAudio();
+ }
+}
/* --- LOAD A SOUND --- */
Mix_Chunk * load_sound(char * file)
{
Mix_Chunk * snd;
-
- if (use_sound)
- {
- snd = Mix_LoadWAV(file);
-
- if (snd == NULL)
- st_abort("Can't load", file);
- }
- else
- snd = NULL;
+
+ snd = Mix_LoadWAV(file);
+
+ /* printf message and abort if there is an initialized audio device */
+ if ((snd == NULL) && (audio_device == YES))
+ st_abort("Can't load", file);
return(snd);
}
-/* --- PLAY A SOUND --- */
+/* --- LOAD A SONG --- */
-void playsound(Mix_Chunk * snd)
+Mix_Music * load_song(char * file)
{
- Mix_PlayChannel(-1, snd, 0);
+ Mix_Music * sng;
+
+ sng = Mix_LoadMUS(file);
+
+ /* printf message and abort if there is an initialized audio device */
+ if ((sng == NULL) && (audio_device == YES))
+ st_abort("Can't load", file);
+ return (sng);
}
-/* --- LOAD A SONG --- */
+/* --- PLAY A SOUND ON LEFT OR RIGHT OR CENTER SPEAKER --- */
-Mix_Music * load_song(char * file)
+void play_sound(Mix_Chunk * snd, enum Sound_Speaker whichSpeaker)
{
- Mix_Music * sng;
+ /* this won't call the function if the user has disabled sound
+ * either via menu or via command-line option
+ */
+ if ((use_sound == YES) && (audio_device == YES))
+ {
+ Mix_PlayChannel( whichSpeaker, snd, 0);
- if (use_sound)
- {
- sng = Mix_LoadMUS(file);
+ /* prepare for panning effects for next call */
+ /* warning: currently, I do not check for errors here */
+ switch (whichSpeaker) {
+ case SOUND_LEFT_SPEAKER:
+ Mix_SetPanning( SOUND_LEFT_SPEAKER, 230, 24 );
+ break;
+ case SOUND_RIGHT_SPEAKER:
+ Mix_SetPanning( SOUND_RIGHT_SPEAKER, 24, 230 );
+ break;
+ default: // keep the compiler happy
+ break;
+ }
+ }
+}
- if (sng == NULL)
- st_abort("Can't load", file);
- }
+
+void free_chunk(Mix_Chunk *chunk)
+{
+ if (chunk != NULL)
+ {
+ DEBUG_MSG( __PRETTY_FUNCTION__ );
+ Mix_FreeChunk( chunk );
+ chunk = NULL;
+ }
+}
+
+
+int playing_music(void)
+{
+ if (use_music == YES)
+ {
+ return Mix_PlayingMusic();
+ }
else
- sng = NULL;
+ {
+ /* we are in --disable-music we can't be playing music */
+ return 0;
+ }
+}
- return (sng);
+
+int halt_music(void)
+{
+ if ((use_music == YES) && (audio_device == YES))
+ {
+ return Mix_HaltMusic();
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+
+int play_music(Mix_Music *music, int loops)
+{
+ if ((use_music == YES) && (audio_device == YES))
+ {
+ DEBUG_MSG(__PRETTY_FUNCTION__);
+ return Mix_PlayMusic(music, loops);
+ }
+ else
+ {
+ /* return error since you're trying to play music in --disable-sound mode */
+ return -1;
+ }
+}
+
+
+void free_music(Mix_Music *music)
+{
+ if ( music != NULL )
+ {
+ DEBUG_MSG(__PRETTY_FUNCTION__);
+ Mix_FreeMusic( music );
+ music = NULL;
+ }
+}
+
+void play_current_music(void)
+{
+ switch (current_music)
+ {
+ case LEVEL_MUSIC:
+ play_music(level_song, 1);
+ break;
+ case HERRING_MUSIC:
+ play_music(herring_song, 1);
+ break;
+ case HURRYUP_MUSIC: // keep the compiler happy
+ play_music(level_song_fast, 1);
+ break;
+ case NO_MUSIC: // keep the compiler happy for the moment :-)
+ {}
+ /*default:*/
+ }
+}
+
+#else
+
+void* sounds[NUM_SOUNDS];
+void* level_song, *herring_song;
+
+int open_audio (int frequency, int format, int channels, int chunksize)
+{
+ return -1;
+}
+
+
+void close_audio(void)
+{}
+
+
+void* load_sound(void* file)
+{
+ return NULL;
+}
+
+
+void play_sound(void * snd, enum Sound_Speaker whichSpeaker)
+{}
+
+
+void* load_song(void* file)
+{
+ return NULL;
+}
+
+
+int playing_music()
+{
+ return 0;
+}
+
+
+void halt_music()
+{}
+
+
+int play_music(void *music, int loops)
+{
+ return 0;
}
+
+void free_music(void *music)
+{}
+
+
+void free_chunk(void *chunk)
+{}
+
+void play_current_music(void)
+{}
+
#endif
projects / supertux.git / blobdiff