mirror of https://github.com/deater/tb1.git
161 lines
3.1 KiB
C
161 lines
3.1 KiB
C
/* "borrowed" from gltron */
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#ifdef SDL_MIXER_SOUND
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#include <SDL.h>
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#include <SDL_mixer.h>
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#endif
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#include "sound.h"
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#include <stdlib.h>
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/* Function definition */
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char *tb1_data_file(char *name,char *path);
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/* linux only, at the moment */
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#define NUM_GAME_FX 8
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#ifdef SDL_MIXER_SOUND
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static Mix_Music *music;
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static Mix_Chunk *game_fx[NUM_GAME_FX];
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#endif
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static char *game_fx_names[] = {
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"sound/tb_ahh.wav",
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"sound/tb_cc.wav",
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"sound/tb_kapow.wav",
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"sound/tb_scream.wav",
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"sound/tb_bonk.wav",
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"sound/tb_click.wav",
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"sound/tb_ow.wav",
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"sound/tb_zrrp.wav"
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};
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void loadFX(char *path_to_data) {
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#ifdef SDL_MIXER_SOUND
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int i;
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char *path;
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for(i = 0; i < NUM_GAME_FX; i++) {
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path=tb1_data_file(game_fx_names[i],path_to_data);
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if(path) {
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game_fx[i] = Mix_LoadWAV(path);
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}
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}
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#endif
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}
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int initSound(char *path_to_data) {
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/* open the audio device */
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#ifdef SDL_MIXER_SOUND
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int audio_rate;
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Uint16 audio_format;
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int audio_channels;
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/* Initialize variables */
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audio_rate = MIX_DEFAULT_FREQUENCY;
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audio_format = MIX_DEFAULT_FORMAT;
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audio_channels = 2;
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/* Initialize the SDL library */
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if ( SDL_Init(SDL_INIT_AUDIO) < 0 ) {
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fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
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return(255);
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}
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/* Open the audio device */
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if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, 4096) < 0) {
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fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
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return(2);
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} else {
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Mix_QuerySpec(&audio_rate, &audio_format, &audio_channels);
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printf(" + Opened audio at %d Hz %d bit %s\n", audio_rate,
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(audio_format&0xFF),
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(audio_channels > 1) ? "stereo" : "mono");
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}
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/*
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if(Mix_OpenAudio(22050, AUDIO_U16, 1, 1024) < 0) {
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fprintf(stderr, "can't open audio: %s\n", SDL_GetError());
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return -1;
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}
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*/
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loadFX(path_to_data);
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#endif
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return 0;
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}
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void shutdownSound() {
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#ifdef SDL_MIXER_SOUND
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Mix_CloseAudio();
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#endif
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}
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int loadSound(char *name) {
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#ifdef SDL_MIXER_SOUND
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music = Mix_LoadMUS(name);
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#endif
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return 0;
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}
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int playSound() {
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#ifdef SDL_MIXER_SOUND
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if( ! Mix_PlayingMusic() )
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Mix_PlayMusic(music, -1);
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/* todo: remove the following once the bug in SDL_mixer is fixed */
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/* we don't want too many references to game objects here */
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// setMusicVolume(game->settings->musicVolume);
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#endif
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return 0;
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}
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int stopSound() {
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#ifdef SDL_MIXER_SOUND
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if( Mix_PlayingMusic() )
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Mix_HaltMusic();
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#endif
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return 0;
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}
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void soundIdle() {
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/* sdl_mixer uses pthreads, so no work here */
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return;
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}
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void playGameFX(int fx) {
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#ifdef SDL_MIXER_SOUND
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Mix_PlayChannel(-1, game_fx[fx], 0);
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// fprintf(stderr, "fx on channel %d\n", Mix_PlayChannel(-1, game_fx[fx], 0));
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#endif
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}
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void setMusicVolume(float volume) {
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#ifdef SDL_MIXER_SOUND
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if(volume > 1) volume = 1;
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if(volume < 0) volume = 0;
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Mix_VolumeMusic((int)(volume * 128));
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#endif
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}
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void setFxVolume(float volume) {
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#ifdef SDL_MIXER_SOUND
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if(volume > 1) volume = 1;
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if(volume < 0) volume = 0;
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Mix_Volume(-1, (int)(volume * 128));
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#endif
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}
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