diff options
Diffstat (limited to 'Alc/ALu.c')
| -rw-r--r-- | Alc/ALu.c | 39 |
1 files changed, 36 insertions, 3 deletions
@@ -27,8 +27,6 @@ #include <assert.h> #include "alMain.h" -#include "AL/al.h" -#include "AL/alc.h" #include "alSource.h" #include "alBuffer.h" #include "alListener.h" @@ -433,7 +431,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) for(i = 0;i < 4;i++) { for(j = 0;j < 4;j++) - Matrix[i][j] = ALContext->Listener->Matrix[i][j]; + Matrix[i][j] = ALContext->Listener->Params.Matrix[i][j]; } /* Get source properties */ @@ -911,6 +909,41 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) if(!DeferUpdates) UpdateSources = ExchangeInt(&ctx->UpdateSources, AL_FALSE); + if(UpdateSources) + { + ALlistener *listener = ctx->Listener; + ALfloat N[3], V[3], U[3]; + /* AT then UP */ + N[0] = listener->Forward[0]; + N[1] = listener->Forward[1]; + N[2] = listener->Forward[2]; + aluNormalize(N); + V[0] = listener->Up[0]; + V[1] = listener->Up[1]; + V[2] = listener->Up[1]; + aluNormalize(V); + /* Build and normalize right-vector */ + aluCrossproduct(N, V, U); + aluNormalize(U); + + listener->Params.Matrix[0][0] = U[0]; + listener->Params.Matrix[0][1] = V[0]; + listener->Params.Matrix[0][2] = -N[0]; + listener->Params.Matrix[0][3] = 0.0f; + listener->Params.Matrix[1][0] = U[1]; + listener->Params.Matrix[1][1] = V[1]; + listener->Params.Matrix[1][2] = -N[1]; + listener->Params.Matrix[1][3] = 0.0f; + listener->Params.Matrix[2][0] = U[2]; + listener->Params.Matrix[2][1] = V[2]; + listener->Params.Matrix[2][2] = -N[2]; + listener->Params.Matrix[2][3] = 0.0f; + listener->Params.Matrix[3][0] = 0.0f; + listener->Params.Matrix[3][1] = 0.0f; + listener->Params.Matrix[3][2] = 0.0f; + listener->Params.Matrix[3][3] = 1.0f; + } + /* source processing */ src = ctx->ActiveSources; src_end = src + ctx->ActiveSourceCount; |