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/*
* PARSEC HEADER: aud_supp.h
*/
#ifndef _AUD_SUPP_H_
#define _AUD_SUPP_H_
// sample-channel relation (holds id once sample is fetched by name) ----------
//
struct sample_channel_info_s {
const char* samplename;
const char* fallbacksample;
int sampleid;
int channel;
int interruptold;
};
// macro to fetch a wave for sample x -----------------------------------------
//
#define AUD_FETCHSAMPLE(x) \
\
audiowave_t fetch_wave = NULL; \
sampleinfo_s* fetch_pSampleInfo; \
SoundParams_s fetch_params; \
memset( &fetch_params, 0, sizeof( fetch_params ) ); \
static int sampleid = -1; \
if ( sampleid == -1 ) { \
fetch_pSampleInfo = AUD_FetchSampleByName((x),&sampleid); \
} else { \
fetch_pSampleInfo = AUD_FetchSampleById(sampleid); \
} \
if(fetch_pSampleInfo != NULL) { \
fetch_wave = (audiowave_t)fetch_pSampleInfo->samplepointer; \
fetch_params.volume = ( fetch_pSampleInfo->volume == -1 ) ? \
AUD_MAX_VOLUME : fetch_pSampleInfo->volume; \
fetch_params.flags = SOUNDPARAMS_VOLUME; \
}
// macro to fetch a wave for sample x store id in y ---------------------------
//
#define AUD_FETCHSAMPLE_EX(x,y) \
\
audiowave_t fetch_wave = NULL; \
sampleinfo_s* fetch_pSampleInfo; \
SoundParams_s fetch_params; \
memset( &fetch_params, 0, sizeof( fetch_params ) ); \
if ( (y) == -1 ) { \
fetch_pSampleInfo = AUD_FetchSampleByName((x),&(y)); \
} else { \
fetch_pSampleInfo = AUD_FetchSampleById(y); \
} \
if(fetch_pSampleInfo != NULL) { \
fetch_wave = (audiowave_t)fetch_pSampleInfo->samplepointer; \
fetch_params.volume = ( fetch_pSampleInfo->volume == -1 ) ? \
AUD_MAX_VOLUME : fetch_pSampleInfo->volume; \
fetch_params.flags = SOUNDPARAMS_VOLUME; \
}
// macro to fetch a wave for sample x, fallback to sample y -------------------
//
#define AUD_FETCHSAMPLE_FALLBACK(x,y) \
\
audiowave_t fetch_wave = NULL; \
sampleinfo_s* fetch_pSampleInfo; \
SoundParams_s fetch_params; \
memset( &fetch_params, 0, sizeof( fetch_params ) ); \
static int sampleid = -1; \
if ( sampleid == -1 ) { \
fetch_pSampleInfo = AUD_FetchSampleByName( (x) ,&sampleid); \
if(fetch_pSampleInfo == NULL) { \
fetch_pSampleInfo = AUD_FetchSampleByName( (y) ,&sampleid); \
} \
} else { \
fetch_pSampleInfo = AUD_FetchSampleById(sampleid); \
} \
if(fetch_pSampleInfo != NULL) { \
fetch_wave = (audiowave_t)fetch_pSampleInfo->samplepointer; \
fetch_params.volume = ( fetch_pSampleInfo->volume == -1 ) ? \
AUD_MAX_VOLUME : fetch_pSampleInfo->volume; \
fetch_params.flags = SOUNDPARAMS_VOLUME; \
}
// macro to fetch a wave for sample x, fallback to sample z, store id in y ----
//
#define AUD_FETCHSAMPLE_FALLBACK_EX(x,y,z) \
\
audiowave_t fetch_wave = NULL; \
sampleinfo_s* fetch_pSampleInfo; \
SoundParams_s fetch_params; \
memset( &fetch_params, 0, sizeof( fetch_params ) ); \
if ( (y) == -1 ) { \
fetch_pSampleInfo = AUD_FetchSampleByName( (x) ,&(y)); \
if(fetch_pSampleInfo == NULL) { \
fetch_pSampleInfo = AUD_FetchSampleByName( (z) ,&(y)); \
} \
} else { \
fetch_pSampleInfo = AUD_FetchSampleById((y)); \
} \
if(fetch_pSampleInfo != NULL) { \
fetch_wave = (audiowave_t)fetch_pSampleInfo->samplepointer; \
fetch_params.volume = ( fetch_pSampleInfo->volume == -1 ) ? \
AUD_MAX_VOLUME : fetch_pSampleInfo->volume; \
fetch_params.flags = SOUNDPARAMS_VOLUME; \
}
// encapsulate global audio disabling -----------------------------------------
//
#define DISABLE_AUDIO_FUNCTIONS (!Op_SoundEffects)
#define DISABLE_MUSIC_FUNCTIONS (!Op_Music)
// external functions ---------------------------------------------------------
//
sampleinfo_s* AUD_FetchSampleByName( const char *name, int *id );
sampleinfo_s* AUD_FetchSampleById( int id );
int AUD_SetSampleVolume( int id, int volume );
int AUD_PlaySampleOnChannel( sample_channel_info_s *info );
#endif // _AUD_SUPP_H_
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