X-Git-Url: https://git.jsancho.org/?p=lugaru.git;a=blobdiff_plain;f=Source%2FAudio%2Fopenal_wrapper.cpp;h=d728e5ad8062352b124f8784c5b6586b42318962;hp=e8203af75bbf377414a1b59af796ad1f4c949e83;hb=8b6e8f3ad7390309795eb35c0959264cb7924402;hpb=531fd8d27258d6c15d6fd221272c74b48602a85a diff --git a/Source/Audio/openal_wrapper.cpp b/Source/Audio/openal_wrapper.cpp index e8203af..d728e5a 100644 --- a/Source/Audio/openal_wrapper.cpp +++ b/Source/Audio/openal_wrapper.cpp @@ -34,35 +34,37 @@ extern float slomofreq; // FMOD uses a Left Handed Coordinate system, OpenAL uses a Right Handed // one...so we just need to flip the sign on the Z axis when appropriate. -typedef struct { +typedef struct +{ ALuint sid; - OPENAL_SAMPLE *sample; + OPENAL_SAMPLE* sample; bool startpaused; float position[3]; } OPENAL_Channels; -typedef struct OPENAL_SAMPLE { - char *name; - ALuint bid; // buffer id. +typedef struct OPENAL_SAMPLE +{ + char* name; + ALuint bid; // buffer id. int mode; int is2d; } OPENAL_SAMPLE; static size_t num_channels = 0; -static OPENAL_Channels *impl_channels = NULL; +static OPENAL_Channels* impl_channels = NULL; static bool initialized = false; static float listener_position[3]; static void set_channel_position(const int channel, const float x, const float y, const float z) { - OPENAL_Channels *chan = &impl_channels[channel]; + OPENAL_Channels* chan = &impl_channels[channel]; chan->position[0] = x; chan->position[1] = y; chan->position[2] = z; - OPENAL_SAMPLE *sptr = chan->sample; + OPENAL_SAMPLE* sptr = chan->sample; if (sptr == NULL) return; @@ -78,8 +80,7 @@ static void set_channel_position(const int channel, const float x, } } - -AL_API void OPENAL_3D_Listener_SetAttributes(const float *pos, const float *, float fx, float fy, float fz, float tx, float ty, float tz) +AL_API void OPENAL_3D_Listener_SetAttributes(const float* pos, const float*, float fx, float fy, float fz, float tx, float ty, float tz) { if (!initialized) return; @@ -97,12 +98,12 @@ AL_API void OPENAL_3D_Listener_SetAttributes(const float *pos, const float *, fl // adjust existing positions... for (unsigned i = 0; i < num_channels; i++) { - const float *p = impl_channels[i].position; + const float* p = impl_channels[i].position; set_channel_position(i, p[0], p[1], p[2]); } } -AL_API signed char OPENAL_3D_SetAttributes(int channel, const float *pos) +AL_API signed char OPENAL_3D_SetAttributes(int channel, const float* pos) { if (!initialized) return false; @@ -117,7 +118,7 @@ AL_API signed char OPENAL_3D_SetAttributes(int channel, const float *pos) return true; } -AL_API signed char OPENAL_3D_SetAttributes_(int channel, const XYZ &pos) +AL_API signed char OPENAL_3D_SetAttributes_(int channel, const XYZ& pos) { if (!initialized) return false; @@ -136,15 +137,15 @@ AL_API signed char OPENAL_Init(int mixrate, int maxsoftwarechannels, unsigned in if (maxsoftwarechannels == 0) return false; - if (flags != 0) // unsupported. + if (flags != 0) // unsupported. return false; - ALCdevice *dev = alcOpenDevice(NULL); + ALCdevice* dev = alcOpenDevice(NULL); if (!dev) return false; ALint caps[] = { ALC_FREQUENCY, mixrate, 0 }; - ALCcontext *ctx = alcCreateContext(dev, caps); + ALCcontext* ctx = alcCreateContext(dev, caps); if (!ctx) { alcCloseDevice(dev); return false; @@ -154,17 +155,17 @@ AL_API signed char OPENAL_Init(int mixrate, int maxsoftwarechannels, unsigned in alcProcessContext(ctx); if (commandLineOptions[OPENALINFO]) { - printf("AL_VENDOR: %s\n", (char *) alGetString(AL_VENDOR)); - printf("AL_RENDERER: %s\n", (char *) alGetString(AL_RENDERER)); - printf("AL_VERSION: %s\n", (char *) alGetString(AL_VERSION)); - printf("AL_EXTENSIONS: %s\n", (char *) alGetString(AL_EXTENSIONS)); + printf("AL_VENDOR: %s\n", (char*)alGetString(AL_VENDOR)); + printf("AL_RENDERER: %s\n", (char*)alGetString(AL_RENDERER)); + printf("AL_VERSION: %s\n", (char*)alGetString(AL_VERSION)); + printf("AL_EXTENSIONS: %s\n", (char*)alGetString(AL_EXTENSIONS)); } num_channels = maxsoftwarechannels; impl_channels = new OPENAL_Channels[maxsoftwarechannels]; - memset(impl_channels, '\0', sizeof (OPENAL_Channels) * num_channels); + memset(impl_channels, '\0', sizeof(OPENAL_Channels) * num_channels); for (unsigned i = 0; i < num_channels; i++) - alGenSources(1, &impl_channels[i].sid); // !!! FIXME: verify this didn't fail! + alGenSources(1, &impl_channels[i].sid); // !!! FIXME: verify this didn't fail! initialized = true; return true; @@ -175,14 +176,14 @@ AL_API void OPENAL_Close() if (!initialized) return; - ALCcontext *ctx = alcGetCurrentContext(); + ALCcontext* ctx = alcGetCurrentContext(); if (ctx) { for (unsigned i = 0; i < num_channels; i++) { alSourceStop(impl_channels[i].sid); alSourcei(impl_channels[i].sid, AL_BUFFER, 0); alDeleteSources(1, &impl_channels[i].sid); } - ALCdevice *dev = alcGetContextsDevice(ctx); + ALCdevice* dev = alcGetContextsDevice(ctx); alcMakeContextCurrent(NULL); alcSuspendContext(ctx); alcDestroyContext(ctx); @@ -196,7 +197,7 @@ AL_API void OPENAL_Close() initialized = false; } -static OPENAL_SAMPLE *OPENAL_GetCurrentSample(int channel) +static OPENAL_SAMPLE* OPENAL_GetCurrentSample(int channel) { if (!initialized) return NULL; @@ -212,11 +213,11 @@ static signed char OPENAL_GetPaused(int channel) if ((channel < 0) || (channel >= (int)num_channels)) return false; if (impl_channels[channel].startpaused) - return(true); + return (true); ALint state = 0; alGetSourceiv(impl_channels[channel].sid, AL_SOURCE_STATE, &state); - return((state == AL_PAUSED) ? true : false); + return ((state == AL_PAUSED) ? true : false); } static unsigned int OPENAL_GetLoopMode(int channel) @@ -228,7 +229,7 @@ static unsigned int OPENAL_GetLoopMode(int channel) ALint loop = 0; alGetSourceiv(impl_channels[channel].sid, AL_LOOPING, &loop); if (loop) - return(OPENAL_LOOP_NORMAL); + return (OPENAL_LOOP_NORMAL); return OPENAL_LOOP_OFF; } @@ -240,10 +241,10 @@ static signed char OPENAL_IsPlaying(int channel) return false; ALint state = 0; alGetSourceiv(impl_channels[channel].sid, AL_SOURCE_STATE, &state); - return((state == AL_PLAYING) ? true : false); + return ((state == AL_PLAYING) ? true : false); } -static int OPENAL_PlaySoundEx(int channel, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused) +static int OPENAL_PlaySoundEx(int channel, OPENAL_SAMPLE* sptr, OPENAL_DSPUNIT* dsp, signed char startpaused) { if (!initialized) return -1; @@ -276,8 +277,7 @@ static int OPENAL_PlaySoundEx(int channel, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT * return channel; } - -static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, ALuint &freq) +static void* decode_to_pcm(const char* _fname, ALenum& format, ALsizei& size, ALuint& freq) { #ifdef __POWERPC__ const int bigendian = 1; @@ -286,21 +286,21 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL #endif // !!! FIXME: if it's not Ogg, we don't have a decoder. I'm lazy. :/ - char *fname = (char *) alloca(strlen(_fname) + 16); + char* fname = (char*)alloca(strlen(_fname) + 16); strcpy(fname, _fname); - char *ptr = strchr(fname, '.'); + char* ptr = strchr(fname, '.'); if (ptr) *ptr = '\0'; strcat(fname, ".ogg"); // just in case... - FILE *io = fopen(fname, "rb"); + FILE* io = fopen(fname, "rb"); if (io == NULL) return NULL; - ALubyte *retval = NULL; + ALubyte* retval = NULL; -#if 0 // untested, so disable this! +#if 0 // untested, so disable this! // Can we just feed it to the AL compressed? if (alIsExtensionPresent((const ALubyte *) "AL_EXT_vorbis")) { format = alGetEnumValue((const ALubyte *) "AL_FORMAT_VORBIS_EXT"); @@ -321,10 +321,10 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL // Uncompress and feed to the AL. OggVorbis_File vf; - memset(&vf, '\0', sizeof (vf)); + memset(&vf, '\0', sizeof(vf)); if (ov_open(io, &vf, NULL, 0) == 0) { int bitstream = 0; - vorbis_info *info = ov_info(&vf, -1); + vorbis_info* info = ov_info(&vf, -1); size = 0; format = (info->channels == 1) ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16; freq = info->rate; @@ -337,13 +337,13 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL char buf[1024 * 16]; long rc = 0; size_t allocated = 64 * 1024; - retval = (ALubyte *) malloc(allocated); - while ( (rc = ov_read(&vf, buf, sizeof (buf), bigendian, 2, 1, &bitstream)) != 0 ) { + retval = (ALubyte*)malloc(allocated); + while ((rc = ov_read(&vf, buf, sizeof(buf), bigendian, 2, 1, &bitstream)) != 0) { if (rc > 0) { size += rc; if (size >= (int)allocated) { allocated *= 2; - ALubyte *tmp = (ALubyte *) realloc(retval, allocated); + ALubyte* tmp = (ALubyte*)realloc(retval, allocated); if (tmp == NULL) { free(retval); retval = NULL; @@ -362,25 +362,24 @@ static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, AL return NULL; } - -AL_API OPENAL_SAMPLE *OPENAL_Sample_Load(int index, const char *name_or_data, unsigned int mode, int offset, int length) +AL_API OPENAL_SAMPLE* OPENAL_Sample_Load(int index, const char* name_or_data, unsigned int mode, int offset, int length) { if (!initialized) return NULL; if (index != OPENAL_FREE) - return NULL; // this is all the game does... + return NULL; // this is all the game does... if (offset != 0) - return NULL; // this is all the game does... + return NULL; // this is all the game does... if (length != 0) - return NULL; // this is all the game does... + return NULL; // this is all the game does... if ((mode != OPENAL_HW3D) && (mode != OPENAL_2D)) - return NULL; // this is all the game does... + return NULL; // this is all the game does... - OPENAL_SAMPLE *retval = NULL; + OPENAL_SAMPLE* retval = NULL; ALenum format = AL_NONE; ALsizei size = 0; ALuint frequency = 0; - void *data = decode_to_pcm(name_or_data, format, size, frequency); + void* data = decode_to_pcm(name_or_data, format, size, frequency); if (data == NULL) return NULL; @@ -399,10 +398,10 @@ AL_API OPENAL_SAMPLE *OPENAL_Sample_Load(int index, const char *name_or_data, un } free(data); - return(retval); + return (retval); } -AL_API void OPENAL_Sample_Free(OPENAL_SAMPLE *sptr) +AL_API void OPENAL_Sample_Free(OPENAL_SAMPLE* sptr) { if (!initialized) return; @@ -420,7 +419,7 @@ AL_API void OPENAL_Sample_Free(OPENAL_SAMPLE *sptr) } } -static signed char OPENAL_Sample_SetMode(OPENAL_SAMPLE *sptr, unsigned int mode) +static signed char OPENAL_Sample_SetMode(OPENAL_SAMPLE* sptr, unsigned int mode) { if (!initialized) return false; @@ -445,7 +444,7 @@ AL_API signed char OPENAL_SetFrequency(int channel, bool slomo) if ((channel < 0) || (channel >= (int)num_channels)) return false; if (slomo) - alSourcef(impl_channels[channel].sid, AL_PITCH, ((ALfloat) slomofreq) / 44100.0f); + alSourcef(impl_channels[channel].sid, AL_PITCH, ((ALfloat)slomofreq) / 44100.0f); else alSourcef(impl_channels[channel].sid, AL_PITCH, 1.0f); return true; @@ -469,7 +468,7 @@ AL_API signed char OPENAL_SetVolume(int channel, int vol) vol = 0; else if (vol > 255) vol = 255; - ALfloat gain = ((ALfloat) vol) / 255.0f; + ALfloat gain = ((ALfloat)vol) / 255.0f; alSourcef(impl_channels[channel].sid, AL_GAIN, gain); return true; } @@ -507,7 +506,7 @@ AL_API void OPENAL_SetSFXMasterVolume(int volume) { if (!initialized) return; - ALfloat gain = ((ALfloat) volume) / 255.0f; + ALfloat gain = ((ALfloat)volume) / 255.0f; alListenerf(AL_GAIN, gain); } @@ -529,24 +528,24 @@ AL_API signed char OPENAL_StopSound(int channel) return true; } -static OPENAL_SAMPLE *OPENAL_Stream_GetSample(OPENAL_STREAM *stream) +static OPENAL_SAMPLE* OPENAL_Stream_GetSample(OPENAL_STREAM* stream) { if (!initialized) return NULL; - return (OPENAL_SAMPLE *) stream; + return (OPENAL_SAMPLE*)stream; } -static int OPENAL_Stream_PlayEx(int channel, OPENAL_STREAM *stream, OPENAL_DSPUNIT *dsp, signed char startpaused) +static int OPENAL_Stream_PlayEx(int channel, OPENAL_STREAM* stream, OPENAL_DSPUNIT* dsp, signed char startpaused) { - return OPENAL_PlaySoundEx(channel, (OPENAL_SAMPLE *) stream, dsp, startpaused); + return OPENAL_PlaySoundEx(channel, (OPENAL_SAMPLE*)stream, dsp, startpaused); } -static signed char OPENAL_Stream_Stop(OPENAL_STREAM *stream) +static signed char OPENAL_Stream_Stop(OPENAL_STREAM* stream) { if (!initialized) return false; for (unsigned i = 0; i < num_channels; i++) { - if (impl_channels[i].sample == (OPENAL_SAMPLE *) stream) { + if (impl_channels[i].sample == (OPENAL_SAMPLE*)stream) { alSourceStop(impl_channels[i].sid); impl_channels[i].startpaused = false; } @@ -554,9 +553,9 @@ static signed char OPENAL_Stream_Stop(OPENAL_STREAM *stream) return true; } -AL_API signed char OPENAL_Stream_SetMode(OPENAL_STREAM *stream, unsigned int mode) +AL_API signed char OPENAL_Stream_SetMode(OPENAL_STREAM* stream, unsigned int mode) { - return OPENAL_Sample_SetMode((OPENAL_SAMPLE *) stream, mode); + return OPENAL_Sample_SetMode((OPENAL_SAMPLE*)stream, mode); } AL_API void OPENAL_Update() @@ -568,9 +567,9 @@ AL_API void OPENAL_Update() extern int channels[]; -extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused) +extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE* sptr, OPENAL_DSPUNIT* dsp, signed char startpaused) { - const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]); + const OPENAL_SAMPLE* currSample = OPENAL_GetCurrentSample(channels[chan]); if (currSample && currSample == samp[chan]) { if (OPENAL_GetPaused(channels[chan])) { OPENAL_StopSound(channels[chan]); @@ -591,9 +590,9 @@ extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, } } -extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused) +extern "C" void PlayStreamEx(int chan, OPENAL_STREAM* sptr, OPENAL_DSPUNIT* dsp, signed char startpaused) { - const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]); + const OPENAL_SAMPLE* currSample = OPENAL_GetCurrentSample(channels[chan]); if (currSample && currSample == OPENAL_Stream_GetSample(sptr)) { OPENAL_StopSound(channels[chan]); OPENAL_Stream_Stop(sptr);