diff options
| author | Chris Robinson <[email protected]> | 2011-05-21 17:45:54 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2011-05-21 17:45:54 -0700 |
| commit | a9d9553fff7f3ec571770a9b4a22c5a46f91780f (patch) | |
| tree | 7b6e545b9dd1f5544975936cef8daf014af7656d /Alc/panning.c | |
| parent | 5cdf774ea7d8ad8e9a6316401e39647040761a3a (diff) | |
Use a multi-dimensional array for the panning LUT
Diffstat (limited to 'Alc/panning.c')
| -rw-r--r-- | Alc/panning.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/Alc/panning.c b/Alc/panning.c index b5352e2b..a5a92298 100644 --- a/Alc/panning.c +++ b/Alc/panning.c @@ -168,8 +168,7 @@ ALvoid aluInitPanning(ALCdevice *Device) ALfloat SpeakerAngle[MAXCHANNELS]; Channel *Speaker2Chan; ALfloat Alpha, Theta; - ALfloat *PanningLUT; - ALint pos, offset; + ALint pos; ALuint s; Speaker2Chan = Device->Speaker2Chan; @@ -255,17 +254,17 @@ ALvoid aluInitPanning(ALCdevice *Device) break; } - PanningLUT = Device->PanningLUT; for(pos = 0; pos < LUT_NUM; pos++) { + ALfloat *PanningLUT = Device->PanningLUT[pos]; + /* clear all values */ - offset = MAXCHANNELS * pos; for(s = 0; s < MAXCHANNELS; s++) - PanningLUT[offset+s] = 0.0f; + PanningLUT[s] = 0.0f; if(Device->NumChan == 1) { - PanningLUT[offset + Speaker2Chan[0]] = 1.0f; + PanningLUT[Speaker2Chan[0]] = 1.0f; continue; } @@ -280,8 +279,8 @@ ALvoid aluInitPanning(ALCdevice *Device) /* source between speaker s and speaker s+1 */ Alpha = M_PI_2 * (Theta-SpeakerAngle[s]) / (SpeakerAngle[s+1]-SpeakerAngle[s]); - PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha); - PanningLUT[offset + Speaker2Chan[s+1]] = sin(Alpha); + PanningLUT[Speaker2Chan[s]] = cos(Alpha); + PanningLUT[Speaker2Chan[s+1]] = sin(Alpha); break; } } @@ -292,8 +291,8 @@ ALvoid aluInitPanning(ALCdevice *Device) Theta += 2.0f * M_PI; Alpha = M_PI_2 * (Theta-SpeakerAngle[s]) / (2.0f * M_PI + SpeakerAngle[0]-SpeakerAngle[s]); - PanningLUT[offset + Speaker2Chan[s]] = cos(Alpha); - PanningLUT[offset + Speaker2Chan[0]] = sin(Alpha); + PanningLUT[Speaker2Chan[s]] = cos(Alpha); + PanningLUT[Speaker2Chan[0]] = sin(Alpha); } } } |