diff options
Diffstat (limited to 'Alc/ALu.c')
| -rw-r--r-- | Alc/ALu.c | 67 |
1 files changed, 30 insertions, 37 deletions
@@ -260,9 +260,9 @@ static ALvoid CalcListenerParams(ALlistener *Listener) aluCrossproduct(N, V, U); aluNormalize(U); - P[0] = Listener->Position[0]; - P[1] = Listener->Position[1]; - P[2] = Listener->Position[2]; + P[0] = Listener->Position.v[0]; + P[1] = Listener->Position.v[1]; + P[2] = Listener->Position.v[2]; aluMatrixSet(&Listener->Params.Matrix, U[0], V[0], -N[0], 0.0f, @@ -273,9 +273,7 @@ static ALvoid CalcListenerParams(ALlistener *Listener) aluMatrixVector(P, 1.0f, &Listener->Params.Matrix); aluMatrixSetRow(&Listener->Params.Matrix, 3, -P[0], -P[1], -P[2], 1.0f); - aluVectorSet(&Listener->Params.Velocity, - Listener->Velocity[0], Listener->Velocity[1], Listener->Velocity[2], 0.0f - ); + Listener->Params.Velocity = Listener->Velocity; aluMatrixVector(Listener->Params.Velocity.v, 0.0f, &Listener->Params.Matrix); } @@ -669,7 +667,7 @@ ALvoid CalcNonAttnSourceParams(ALvoice *voice, const ALsource *ALSource, const A ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCcontext *ALContext) { ALCdevice *Device = ALContext->Device; - ALfloat Velocity[3],Direction[3],Position[3],SourceToListener[3]; + aluVector Position, Velocity, Direction, SourceToListener; ALfloat InnerAngle,OuterAngle,Angle,Distance,ClampedDist; ALfloat MinVolume,MaxVolume,MinDist,MaxDist,Rolloff; ALfloat ConeVolume,ConeHF,SourceVolume,ListenerGain; @@ -720,15 +718,9 @@ ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCconte MinVolume = ALSource->MinGain; MaxVolume = ALSource->MaxGain; Pitch = ALSource->Pitch; - Position[0] = ALSource->Position[0]; - Position[1] = ALSource->Position[1]; - Position[2] = ALSource->Position[2]; - Direction[0] = ALSource->Direction[0]; - Direction[1] = ALSource->Direction[1]; - Direction[2] = ALSource->Direction[2]; - Velocity[0] = ALSource->Velocity[0]; - Velocity[1] = ALSource->Velocity[1]; - Velocity[2] = ALSource->Velocity[2]; + Position = ALSource->Position; + Direction = ALSource->Direction; + Velocity = ALSource->Velocity; MinDist = ALSource->RefDistance; MaxDist = ALSource->MaxDistance; Rolloff = ALSource->RollOffFactor; @@ -791,27 +783,28 @@ ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCconte { const aluMatrix *Matrix = &ALContext->Listener->Params.Matrix; /* Transform source vectors */ - aluMatrixVector(Position, 1.0f, Matrix); - aluMatrixVector(Direction, 0.0f, Matrix); - aluMatrixVector(Velocity, 0.0f, Matrix); + aluMatrixVector(Position.v, 1.0f, Matrix); + aluMatrixVector(Direction.v, 0.0f, Matrix); + aluMatrixVector(Velocity.v, 0.0f, Matrix); } else { const aluVector *lvelocity = &ALContext->Listener->Params.Velocity; /* Offset the source velocity to be relative of the listener velocity */ - Velocity[0] += lvelocity->v[0]; - Velocity[1] += lvelocity->v[1]; - Velocity[2] += lvelocity->v[2]; + Velocity.v[0] += lvelocity->v[0]; + Velocity.v[1] += lvelocity->v[1]; + Velocity.v[2] += lvelocity->v[2]; } - SourceToListener[0] = -Position[0]; - SourceToListener[1] = -Position[1]; - SourceToListener[2] = -Position[2]; - aluNormalize(SourceToListener); - aluNormalize(Direction); + SourceToListener.v[0] = -Position.v[0]; + SourceToListener.v[1] = -Position.v[1]; + SourceToListener.v[2] = -Position.v[2]; + SourceToListener.v[2] = 0.0f; + aluNormalize(SourceToListener.v); + aluNormalize(Direction.v); /* Calculate distance attenuation */ - Distance = sqrtf(aluDotproduct(Position, Position)); + Distance = sqrtf(aluDotproduct(Position.v, Position.v)); ClampedDist = Distance; Attenuation = 1.0f; @@ -908,7 +901,7 @@ ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCconte } /* Calculate directional soundcones */ - Angle = RAD2DEG(acosf(aluDotproduct(Direction,SourceToListener)) * ConeScale) * 2.0f; + Angle = RAD2DEG(acosf(aluDotproduct(Direction.v,SourceToListener.v)) * ConeScale) * 2.0f; if(Angle > InnerAngle && Angle <= OuterAngle) { ALfloat scale = (Angle-InnerAngle) / (OuterAngle-InnerAngle); @@ -968,8 +961,8 @@ ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCconte SpeedOfSound = 1.0f; } - VSS = aluDotproduct(Velocity, SourceToListener) * DopplerFactor; - VLS = aluDotproduct(lvelocity->v, SourceToListener) * DopplerFactor; + VSS = aluDotproduct(Velocity.v, SourceToListener.v) * DopplerFactor; + VLS = aluDotproduct(lvelocity->v, SourceToListener.v) * DopplerFactor; Pitch *= clampf(SpeedOfSound-VLS, 1.0f, SpeedOfSound*2.0f - 1.0f) / clampf(SpeedOfSound-VSS, 1.0f, SpeedOfSound*2.0f - 1.0f); @@ -1012,9 +1005,9 @@ ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCconte if(Distance > FLT_EPSILON) { ALfloat invlen = 1.0f/Distance; - dir[0] = Position[0] * invlen; - dir[1] = Position[1] * invlen; - dir[2] = Position[2] * invlen * ZScale; + dir[0] = Position.v[0] * invlen; + dir[1] = Position.v[1] * invlen; + dir[2] = Position.v[2] * invlen * ZScale; /* Calculate elevation and azimuth only when the source is not at * the listener. This prevents +0 and -0 Z from producing @@ -1075,9 +1068,9 @@ ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCconte if(Distance > FLT_EPSILON || radius > FLT_EPSILON) { ALfloat invlen = 1.0f/maxf(Distance, radius); - dir[0] = Position[0] * invlen; - dir[1] = Position[1] * invlen; - dir[2] = Position[2] * invlen * ZScale; + dir[0] = Position.v[0] * invlen; + dir[1] = Position.v[1] * invlen; + dir[2] = Position.v[2] * invlen * ZScale; } ComputeDirectionalGains(Device, dir, DryGain, Target); |