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FAudioGMS
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add spatial distance scaler to init

pull/1/head
cosmonaut 2021-10-24 16:24:37 -07:00
parent 4fceb026da
commit a8993eb776
2 changed files with 7 additions and 7 deletions
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12
src/FAudioGMS.c
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@ -132,8 +132,8 @@ typedef struct FAudioGMS_SoundInstance
} parent;
} FAudioGMS_SoundInstance;
static const float SPEED_OF_SOUND = 343.5f;
static const float DOPPLER_SCALE = 1.0f;
static const float CURVE_DISTANCE_SCALER = 1.0f;
typedef struct FAudioGMS_Device
{
@ -144,7 +144,7 @@ typedef struct FAudioGMS_Device
FAudioMasteringVoice *masteringVoice;
F3DAUDIO_LISTENER listener;
float speedOfSound;
float spatialDistanceScale;
FAudioGMS_StaticSound **staticSounds;
uint32_t staticSoundCount;
@ -183,7 +183,7 @@ static inline FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_LookupSoundInstance(ui
}
}
void FAudioGMS_Init(double speedOfSound)
void FAudioGMS_Init(double spatialDistanceScale)
{
device = SDL_malloc(sizeof(FAudioGMS_Device));
@ -256,11 +256,11 @@ void FAudioGMS_Init(double speedOfSound)
return;
}
device->speedOfSound = speedOfSound;
device->spatialDistanceScale = spatialDistanceScale;
F3DAudioInitialize(
device->deviceDetails.OutputFormat.dwChannelMask,
device->speedOfSound,
SPEED_OF_SOUND,
device->handle3D
);
@ -781,7 +781,7 @@ static void FAudioGMS_INTERNAL_StaticSound_AddEmitter(FAudioGMS_SoundInstance* i
instance->emitter->InnerRadiusAngle = 0;
instance->emitter->ChannelCount = instance->dspSettings.SrcChannelCount;
instance->emitter->CurveDistanceScaler = CURVE_DISTANCE_SCALER;
instance->emitter->CurveDistanceScaler = device->spatialDistanceScale;
instance->emitter->DopplerScaler = 1.0f;
instance->emitter->Position.x = x;

2
src/FAudioGMS.h
View File

@ -39,7 +39,7 @@
extern "C" {
#endif /* __cplusplus */
FAUDIOGMSAPI void FAudioGMS_Init(double speedOfSound); /* recommend about 1500? for 2D game */
FAUDIOGMSAPI void FAudioGMS_Init(double spatialDistanceScale); /* recommend about 50 for a 2D game, 1 for a 3D game */
FAUDIOGMSAPI double FAudioGMS_StaticSound_LoadWAV(char *filePath); /* returns a static sound ID */
FAUDIOGMSAPI void FAudioGMS_StaticSound_PlayOneOff(double staticSoundID, double pan, double pitch, double volume, double reverb); /* automatically frees itself when done! */