forked from MoonsideGames/FAudioGMS
initial spatial audio implementation
parent
fc8949d79d
commit
2581a19171
323
src/FAudioGMS.c
323
src/FAudioGMS.c
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@ -121,6 +121,10 @@ typedef struct FAudioGMS_SoundInstance
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uint8_t isStatic;
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uint8_t destroyOnFinish;
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uint8_t is3D;
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F3DAUDIO_EMITTER* emitter; /* must not be NULL if is3D */
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float stereoAzimuth[2];
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union
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{
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FAudioGMS_StaticSound *staticSound;
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@ -128,12 +132,20 @@ typedef struct FAudioGMS_SoundInstance
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} parent;
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} FAudioGMS_SoundInstance;
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static const float DOPPLER_SCALE = 1.0f;
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static const float CURVE_DISTANCE_SCALER = 1.0f;
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typedef struct FAudioGMS_Device
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{
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FAudio* handle;
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F3DAUDIO_HANDLE handle3D;
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FAudioDeviceDetails deviceDetails;
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FAudioMasteringVoice *masteringVoice;
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F3DAUDIO_LISTENER listener;
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float speedOfSound;
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FAudioGMS_StaticSound **staticSounds;
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uint32_t staticSoundCount;
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IdStack staticSoundIndexStack;
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@ -143,9 +155,35 @@ typedef struct FAudioGMS_Device
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IdStack soundInstanceIndexStack;
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} FAudioGMS_Device;
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static FAudioGMS_Device *device = NULL;
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static FAudioGMS_Device* device = NULL;
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void FAudioGMS_Init()
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static inline FAudioGMS_StaticSound* FAudioGMS_INTERNAL_LookupStaticSound(uint32_t id)
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{
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if (id >= 0 && id < device->staticSoundCount)
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{
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return device->staticSounds[id];
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}
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else
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{
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Log("Invalid StaticSound ID!");
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return NULL;
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}
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}
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static inline FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_LookupSoundInstance(uint32_t id)
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{
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if (id >= 0 && id < device->soundInstanceCount)
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{
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return device->soundInstances[id];
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}
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else
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{
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Log("Invalid SoundInstance ID!");
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return NULL;
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}
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}
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void FAudioGMS_Init(double speedOfSound)
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{
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device = SDL_malloc(sizeof(FAudioGMS_Device));
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@ -218,6 +256,28 @@ void FAudioGMS_Init()
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return;
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}
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device->speedOfSound = speedOfSound;
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F3DAudioInitialize(
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device->deviceDetails.OutputFormat.dwChannelMask,
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device->speedOfSound,
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device->handle3D
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);
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device->listener.OrientFront.x = 0;
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device->listener.OrientFront.y = 0;
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device->listener.OrientFront.z = -1;
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device->listener.OrientTop.x = 0;
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device->listener.OrientTop.y = 1;
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device->listener.OrientTop.z = 0;
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device->listener.Position.x = 0;
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device->listener.Position.y = 0;
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device->listener.Position.z = 0;
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device->listener.Velocity.x = 0;
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device->listener.Velocity.y = 0;
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device->listener.Velocity.z = 0;
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device->listener.pCone = NULL;
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device->staticSounds = NULL;
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device->staticSoundCount = 0;
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IdStack_Init(&device->staticSoundIndexStack);
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@ -240,6 +300,10 @@ static void FAudioGMS_INTERNAL_SoundInstance_Destroy(FAudioGMS_SoundInstance* in
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FAudioSourceVoice_Stop(instance->handle, 0, 0);
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FAudioSourceVoice_FlushSourceBuffers(instance->handle);
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FAudioVoice_DestroyVoice(instance->handle);
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if (instance->is3D)
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{
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SDL_free(instance->emitter);
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}
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SDL_free(instance->dspSettings.pMatrixCoefficients);
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SDL_free(instance);
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}
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@ -247,12 +311,17 @@ static void FAudioGMS_INTERNAL_SoundInstance_Destroy(FAudioGMS_SoundInstance* in
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void FAudioGMS_SoundInstance_Destroy(double id)
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{
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FAudioGMS_INTERNAL_SoundInstance_Destroy(device->soundInstances[(uint32_t)id]);
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)id);
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if (instance != NULL)
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{
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FAudioGMS_INTERNAL_SoundInstance_Destroy(instance);
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}
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}
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void FAudioGMS_SoundInstance_DestroyWhenFinished(double id)
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{
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FAudioGMS_SoundInstance *instance = device->soundInstances[(uint32_t)id];
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)id);
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if (instance != NULL)
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{
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@ -274,30 +343,13 @@ static void FAudioGMS_INTERNAL_StaticSound_Destroy(FAudioGMS_StaticSound* sound)
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void FAudioGMS_StaticSound_Destroy(double id)
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{
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FAudioGMS_INTERNAL_StaticSound_Destroy(device->staticSounds[(uint32_t)id]);
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}
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void FAudioGMS_Update()
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{
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uint32_t i;
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for (i = 0; i < device->soundInstanceCount; i += 1)
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if (id >= 0 && id < device->staticSoundCount)
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{
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FAudioGMS_SoundInstance* instance = device->soundInstances[i];
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if (instance != NULL)
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{
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if (instance->destroyOnFinish)
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{
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FAudioVoiceState state;
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FAudioSourceVoice_GetState(instance->handle, &state, FAUDIO_VOICE_NOSAMPLESPLAYED);
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if (state.BuffersQueued == 0)
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{
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FAudioGMS_INTERNAL_SoundInstance_Destroy(instance);
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}
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}
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}
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FAudioGMS_INTERNAL_StaticSound_Destroy(device->staticSounds[(uint32_t)id]);
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}
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else
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{
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Log("Invalid ID for destroy!");
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}
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}
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@ -375,7 +427,7 @@ double FAudioGMS_StaticSound_LoadWAV(char *filePath)
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sound->buffer.LoopBegin = 0;
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sound->buffer.LoopCount = 0;
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sound->buffer.LoopLength = 0;
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sound->buffer.pAudioData = pSampleData;
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sound->buffer.pAudioData = (uint8_t*) pSampleData;
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sound->buffer.pContext = NULL;
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sound->buffer.PlayBegin = 0;
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sound->buffer.PlayLength = 0;
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@ -563,25 +615,67 @@ static void FAudioGMS_INTERNAL_SoundInstance_SetPan(FAudioGMS_SoundInstance* ins
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);
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}
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static void FAudioGMS_INTERNAL_SoundInstance_SetPitch(FAudioGMS_SoundInstance* instance, float pitch)
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static void FAudioGMS_INTERNAL_SoundInstance_UpdatePitch(FAudioGMS_SoundInstance* instance)
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{
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instance->pitch = pitch;
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float doppler = 1.0f;
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pitch -= 1.0; /* default pitch is 1.0 as per GM standard */
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pitch = SDL_max(-1.0, SDL_min(1.0, pitch));
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if (!instance->is3D || DOPPLER_SCALE == 0.0f)
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{
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doppler = 1.0f;
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}
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else
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{
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doppler = instance->dspSettings.DopplerFactor * DOPPLER_SCALE;
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}
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FAudioSourceVoice_SetFrequencyRatio(
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instance->handle,
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SDL_powf(2.0f, pitch),
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SDL_powf(2.0f, instance->pitch - 1) * doppler, /* FAudio expects pitch range to be -1.0 to 1.0 while GM uses 0.0 to 2.0 so we adjust here */
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0
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);
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}
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static void FAudioGMS_INTERNAL_SoundInstance_SetPitch(FAudioGMS_SoundInstance* instance, float pitch)
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{
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pitch = SDL_max(0.0, SDL_min(2.0, pitch));
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instance->pitch = pitch;
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FAudioGMS_INTERNAL_SoundInstance_UpdatePitch(instance);
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}
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static void FAudioGMS_INTERNAL_SoundInstance_SetVolume(FAudioGMS_SoundInstance* instance, float volume)
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{
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FAudioVoice_SetVolume(instance->handle, volume, 0);
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}
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static void FAudioGMS_INTERNAL_Apply3D(FAudioGMS_SoundInstance* instance)
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{
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F3DAUDIO_EMITTER* emitter = instance->emitter;
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if (emitter == NULL)
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{
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Log("Sound instance does not have 3D data! Did you forget to initialize?");
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return;
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}
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F3DAudioCalculate(
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device->handle3D,
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&device->listener,
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emitter,
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F3DAUDIO_CALCULATE_MATRIX | F3DAUDIO_CALCULATE_DOPPLER,
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&instance->dspSettings
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);
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FAudioGMS_INTERNAL_SoundInstance_UpdatePitch(instance);
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FAudioVoice_SetOutputMatrix(
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instance->handle,
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device->masteringVoice,
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instance->dspSettings.SrcChannelCount,
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instance->dspSettings.DstChannelCount,
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instance->dspSettings.pMatrixCoefficients,
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0
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);
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}
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static FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_SoundInstance_CreateFromStaticSound(
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FAudioGMS_StaticSound *staticSound,
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double pan,
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@ -646,6 +740,11 @@ static FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_SoundInstance_CreateFromStati
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instance->soundState = SoundState_Stopped;
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instance->is3D = 0;
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instance->emitter = NULL;
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instance->stereoAzimuth[0] = 0.0f;
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instance->stereoAzimuth[1] = 0.0f;
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if (device->soundInstanceIndexStack.count > 0)
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{
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instance->id = IdStack_Pop(&device->soundInstanceIndexStack);
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@ -663,6 +762,47 @@ static FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_SoundInstance_CreateFromStati
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return instance;
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}
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static void FAudioGMS_INTERNAL_StaticSound_AddEmitter(FAudioGMS_SoundInstance* instance, float x, float y, float z)
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{
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instance->is3D = 1;
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instance->emitter = SDL_malloc(sizeof(F3DAUDIO_EMITTER));
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/* defaults based on XNA behavior */
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instance->emitter->pCone = NULL;
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instance->emitter->ChannelRadius = 1.0f;
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instance->emitter->pChannelAzimuths = instance->stereoAzimuth;
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instance->emitter->pVolumeCurve = NULL;
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instance->emitter->pLFECurve = NULL;
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instance->emitter->pLPFDirectCurve = NULL;
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instance->emitter->pLPFReverbCurve = NULL;
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instance->emitter->pReverbCurve = NULL;
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instance->emitter->InnerRadius = 0;
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instance->emitter->InnerRadiusAngle = 0;
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instance->emitter->ChannelCount = instance->dspSettings.SrcChannelCount;
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instance->emitter->CurveDistanceScaler = CURVE_DISTANCE_SCALER;
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instance->emitter->DopplerScaler = 1.0f;
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instance->emitter->Position.x = x;
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instance->emitter->Position.y = y;
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instance->emitter->Position.z = z;
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instance->emitter->Velocity.x = 0;
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instance->emitter->Velocity.y = 0;
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instance->emitter->Velocity.z = 0;
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instance->emitter->OrientTop.x = 0;
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instance->emitter->OrientTop.y = 1;
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instance->emitter->OrientTop.z = 0;
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instance->emitter->OrientFront.x = 0;
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instance->emitter->OrientFront.y = 0;
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instance->emitter->OrientFront.z = 1;
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FAudioGMS_INTERNAL_Apply3D(instance);
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}
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static void FAudioGMS_INTERNAL_SoundInstance_Play(FAudioGMS_SoundInstance* instance)
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{
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if (instance->isStatic)
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@ -693,7 +833,7 @@ static void FAudioGMS_INTERNAL_SoundInstance_Play(FAudioGMS_SoundInstance* insta
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void FAudioGMS_StaticSound_PlayOneOff(double staticSoundID, double pan, double pitch, double volume, double reverb)
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{
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FAudioGMS_StaticSound* staticSound = device->staticSounds[(uint32_t)staticSoundID];
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FAudioGMS_StaticSound* staticSound = FAudioGMS_INTERNAL_LookupStaticSound((uint32_t)staticSoundID);
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if (staticSound != NULL)
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{
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@ -707,9 +847,26 @@ void FAudioGMS_StaticSound_PlayOneOff(double staticSoundID, double pan, double p
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}
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}
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void FAudioGMS_StaticSound_PlayOneOffSpatial(double staticSoundID, double x, double y, double z, double pitch, double volume, double reverb)
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{
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FAudioGMS_StaticSound* staticSound = FAudioGMS_INTERNAL_LookupStaticSound((uint32_t)staticSoundID);
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if (staticSound != NULL)
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{
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_SoundInstance_CreateFromStaticSound(staticSound, 0, pitch, volume, reverb);
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instance->destroyOnFinish = 1;
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FAudioGMS_INTERNAL_StaticSound_AddEmitter(instance, x, y, z);
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FAudioGMS_INTERNAL_SoundInstance_Play(instance);
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}
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else
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{
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Log("StaticSound_PlayOneOffSpatial: Invalid static sound ID! Did you destroy this sound?");
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}
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}
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double FAudioGMS_StaticSound_Play(double staticSoundID, double pan, double pitch, double volume, double reverb, double loop)
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{
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FAudioGMS_StaticSound* staticSound = device->staticSounds[(uint32_t)staticSoundID];
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FAudioGMS_StaticSound* staticSound = FAudioGMS_INTERNAL_LookupStaticSound((uint32_t)staticSoundID);
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if (staticSound != NULL)
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{
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@ -725,9 +882,28 @@ double FAudioGMS_StaticSound_Play(double staticSoundID, double pan, double pitch
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}
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}
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double FAudioGMS_StaticSound_PlaySpatial(double staticSoundID, double x, double y, double z, double pitch, double volume, double reverb, double loop)
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{
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FAudioGMS_StaticSound* staticSound = FAudioGMS_INTERNAL_LookupStaticSound((uint32_t)staticSoundID);
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if (staticSound != NULL)
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{
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_SoundInstance_CreateFromStaticSound(staticSound, 0, pitch, volume, reverb);
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instance->loop = (uint8_t)loop;
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FAudioGMS_INTERNAL_StaticSound_AddEmitter(instance, x, y, z);
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FAudioGMS_INTERNAL_SoundInstance_Play(instance);
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return (double)instance->id;
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}
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else
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{
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Log("StaticSound_PlaySpatial: Invalid static sound ID! Did you destroy this sound?");
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return -1;
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}
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}
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void FAudioGMS_SoundInstance_Play(double id)
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{
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FAudioGMS_SoundInstance *instance = device->soundInstances[(uint32_t)id];
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)id);
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if (instance != NULL)
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{
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@ -737,7 +913,7 @@ void FAudioGMS_SoundInstance_Play(double id)
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void FAudioGMS_SoundInstance_Pause(double id)
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{
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FAudioGMS_SoundInstance* instance = device->soundInstances[(uint32_t)id];
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)id);
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if (instance != NULL)
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{
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@ -758,7 +934,7 @@ void FAudioGMS_SoundInstance_Pause(double id)
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void FAudioGMS_SoundInstance_Stop(double id)
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{
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FAudioGMS_SoundInstance* instance = device->soundInstances[(uint32_t)id];
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)id);
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if (instance != NULL)
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{
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@ -773,19 +949,82 @@ void FAudioGMS_SoundInstance_Stop(double id)
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}
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}
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void FAudioGMS_SoundInstance_Set3DPosition(double soundInstanceID, double x, double y, double z)
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{
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)soundInstanceID);
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if (instance != NULL)
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{
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if (!instance->is3D)
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{
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Log("Not a 3D sound!");
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return;
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}
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instance->emitter->Velocity.x = x - instance->emitter->Position.x;
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instance->emitter->Velocity.y = y - instance->emitter->Position.y;
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instance->emitter->Velocity.z = z - instance->emitter->Position.z;
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instance->emitter->Position.x = x;
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instance->emitter->Position.y = y;
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instance->emitter->Position.z = z;
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}
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}
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void FAudioGMS_SetListenerPosition(double x, double y, double z)
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{
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device->listener.Velocity.x = x - device->listener.Position.x;
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device->listener.Velocity.y = y - device->listener.Position.y;
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device->listener.Velocity.z = z - device->listener.Position.z;
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device->listener.Position.x = x;
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device->listener.Position.y = y;
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device->listener.Position.z = z;
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}
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void FAudioGMS_Update()
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{
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uint32_t i;
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for (i = 0; i < device->soundInstanceCount; i += 1)
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{
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FAudioGMS_SoundInstance* instance = device->soundInstances[i];
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if (instance != NULL)
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{
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if (instance->is3D)
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{
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FAudioGMS_INTERNAL_Apply3D(instance);
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}
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if (instance->destroyOnFinish)
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{
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FAudioVoiceState state;
|
||||
FAudioSourceVoice_GetState(instance->handle, &state, FAUDIO_VOICE_NOSAMPLESPLAYED);
|
||||
|
||||
if (state.BuffersQueued == 0)
|
||||
{
|
||||
FAudioGMS_INTERNAL_SoundInstance_Destroy(instance);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void FAudioGMS_Destroy()
|
||||
{
|
||||
uint32_t i = 0;
|
||||
for (i = 0; i < device->staticSoundCount; i += 1)
|
||||
{
|
||||
FAudioGMS_INTERNAL_StaticSound_Destroy(device->staticSounds[i]);
|
||||
}
|
||||
|
||||
for (i = 0; i < device->soundInstanceCount; i += 1)
|
||||
{
|
||||
FAudioGMS_INTERNAL_SoundInstance_Destroy(device->soundInstances[i]);
|
||||
}
|
||||
|
||||
for (i = 0; i < device->staticSoundCount; i += 1)
|
||||
{
|
||||
FAudioGMS_INTERNAL_StaticSound_Destroy(device->staticSounds[i]);
|
||||
}
|
||||
|
||||
FAudio_Release(device->handle);
|
||||
SDL_free(device);
|
||||
device = NULL;
|
||||
|
|
|
|||
|
|
@ -39,20 +39,25 @@
|
|||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
FAUDIOGMSAPI void FAudioGMS_Init();
|
||||
FAUDIOGMSAPI void FAudioGMS_Update();
|
||||
FAUDIOGMSAPI void FAudioGMS_Init(double speedOfSound); /* recommend about 1500? for 2D 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! */
|
||||
FAUDIOGMSAPI void FAudioGMS_StaticSound_PlayOneOffSpatial(double staticSoundID, double x, double y, double z, double pitch, double volume, double reverb); /* automatically frees itself when done! */
|
||||
FAUDIOGMSAPI double FAudioGMS_StaticSound_Play(double staticSoundID, double pan, double pitch, double volume, double reverb, double loop); /* returns a sound instance ID. must be freed! */
|
||||
FAUDIOGMSAPI double FAudioGMS_StaticSound_PlaySpatial(double staticSoundID, double x, double y, double z, double pitch, double volume, double reverb, double loop); /* returns a sound instance ID. must be freed! */
|
||||
FAUDIOGMSAPI void FAudioGMS_StaticSound_Destroy(double id);
|
||||
|
||||
FAUDIOGMSAPI void FAudioGMS_SoundInstance_Play(double id);
|
||||
FAUDIOGMSAPI void FAudioGMS_SoundInstance_Pause(double id);
|
||||
FAUDIOGMSAPI void FAudioGMS_SoundInstance_Stop(double id);
|
||||
|
||||
FAUDIOGMSAPI void FAudioGMS_SoundInstance_Set3DPosition(double soundInstanceID, double x, double y, double z);
|
||||
FAUDIOGMSAPI void FAudioGMS_SoundInstance_Destroy(double id);
|
||||
FAUDIOGMSAPI void FAudioGMS_SoundInstance_DestroyWhenFinished(double id);
|
||||
FAUDIOGMSAPI void FAudioGMS_StaticSound_Destroy(double id);
|
||||
|
||||
FAUDIOGMSAPI void FAudioGMS_SetListenerPosition(double x, double y, double z);
|
||||
|
||||
FAUDIOGMSAPI void FAudioGMS_Update();
|
||||
FAUDIOGMSAPI void FAudioGMS_Destroy();
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
|
|
|||
Loading…
Reference in New Issue