public void FixedListInt128ToFixedListInt64()
{
var a = new FixedListInt128();
for (var i = 0; i < 31; ++i)
{
a.Add((int)i);
}
Assert.Throws <IndexOutOfRangeException> (() => { var b = new FixedListInt64(a); });
}
public void FixedListInt128HasExpectedCapacity()
{
var list = new FixedListInt128();
var expectedCapacity = 31;
for (int i = 0; i < expectedCapacity; ++i)
{
list.Add((int)i);
}
Assert.Throws <IndexOutOfRangeException> (() => { list.Add((int)expectedCapacity); });
}
public void FixedListInt128Sort()
{
var list = new FixedListInt128();
for (var i = 0; i < 5; ++i)
{
list.Add((int)(4 - i));
}
list.Sort();
for (var i = 0; i < 5; ++i)
{
Assert.AreEqual(i, list[i]);
}
}
public void FixedListInt128RemoveRange()
{
var list = new FixedListInt128();
list.Add(0);
list.Add(3);
list.Add(3);
list.Add(1);
list.Add(2);
list.RemoveRange(1, 2);
for (var i = 0; i < 3; ++i)
{
Assert.AreEqual(i, list[i]);
}
}
public void FixedListInt128InsertRange()
{
var list = new FixedListInt128();
list.Add(0);
list.Add(3);
list.Add(4);
list.InsertRange(1, 2);
list[1] = 1;
list[2] = 2;
for (var i = 0; i < 5; ++i)
{
Assert.AreEqual(i, list[i]);
}
}
public void FixedListInt64ToFixedListInt128()
{
var a = new FixedListInt64();
for (var i = 0; i < 15; ++i)
{
a.Add((int)i);
}
var b = new FixedListInt128(a);
for (var i = 0; i < 15; ++i)
{
Assert.AreEqual((int)i, b[i]);
}
}
public void FixedListInt128HasExpectedLayout()
{
var actual = new FixedListInt128();
for (var i = 0; i < 31; ++i)
{
actual.Add((int)i);
}
unsafe
{
var e = stackalloc byte[128];
e[0] = (byte)((31 >> 0) & 0xFF);
e[1] = (byte)((31 >> 8) & 0xFF);
for (var i = 0; i < 31; ++i)
{
var s = (int)i;
UnsafeUtility.MemCpy(e + 2 + sizeof(int) * i, &s, sizeof(int));
}
Assert.AreEqual(0, UnsafeUtility.MemCmp(e, &actual.length, 128));
}
}
private static void ComputeWeights(ref Weights weights, EmitterParameters emitter, ListenerWithTransform listener, NativeList <float4> scratchCache)
{
float volume = emitter.volume * listener.listener.volume;
var emitterInListenerSpace = math.mul(math.inverse(listener.transform), emitter.transform);
var emitterPositionNormalized = math.normalizesafe(emitterInListenerSpace.pos, float3.zero);
//attenuation
{
float d = math.length(emitterInListenerSpace.pos);
float atten = 1f;
if (d > emitter.innerRange)
{
if (emitter.innerRange <= 0f)
{
//The offset is the distance from the innerRange minus 1 unit clamped between the innerRange and the margin.
//The minus one offset ensures the falloff is always 1 or larger, making the transition betweem the innerRange
//and the falloff region continuous (by calculus terminology).
float falloff = math.min(d, emitter.outerRange - emitter.rangeFadeMargin) - (emitter.innerRange - 1f);
atten = math.saturate(math.rcp(falloff * falloff));
}
else
{
float falloff = math.min(d, emitter.outerRange - emitter.rangeFadeMargin) / emitter.innerRange;
atten = math.saturate(math.rcp(falloff * falloff));
}
}
if (d > emitter.outerRange - emitter.rangeFadeMargin)
{
float factor = (d - (emitter.outerRange - emitter.rangeFadeMargin)) / emitter.rangeFadeMargin;
factor = math.saturate(factor);
atten = math.lerp(atten, 0f, factor);
}
if (emitter.useCone)
{
float cosine = math.dot(math.forward(emitterInListenerSpace.rot), -emitterPositionNormalized);
if (cosine <= emitter.cone.cosOuterAngle)
{
atten *= emitter.cone.outerAngleAttenuation;
}
else if (cosine < emitter.cone.cosInnerAngle)
{
float factor = math.unlerp(emitter.cone.cosOuterAngle, emitter.cone.cosInnerAngle, cosine);
atten *= math.lerp(emitter.cone.outerAngleAttenuation, 1f, factor);
}
}
volume *= atten;
}
//ITD
{
float itd = (math.dot(emitterPositionNormalized, math.right()) * 0.5f + 0.5f) * weights.itdWeights.Length;
//float frac = math.modf(itd, out float integer);
//int indexLow = math.clamp((int)integer, 0, weights.itdWeights.Length - 1);
//int indexHigh = math.clamp(indexLow + 1, 0, weights.itdWeights.Length - 1);
//weights.itdWeights[indexLow] = volume * frac;
//weights.itdWeights[indexHigh] = volume * (1f - frac);
int index = math.clamp((int)math.round(itd), 0, weights.itdWeights.Length - 1);
weights.itdWeights[index] = volume;
}
//ILD
{
ref var profile = ref listener.listener.ildProfile.Value;
float2 xz = math.normalizesafe(emitterPositionNormalized.xz, new float2(0f, 1f));
float2 angles = default;
angles.x = math.atan2(xz.y, xz.x);
float2 yz = math.normalizesafe(emitterPositionNormalized.yz, new float2(1f, 0f));
angles.y = math.atan2(yz.y, yz.x);
//Left
//First, find if there is a perfect match
bool perfectMatch = false;
for (int i = 0; i < profile.anglesPerLeftChannel.Length; i++)
{
perfectMatch = math.all(((angles >= profile.anglesPerLeftChannel[i].xz) &
(angles <= profile.anglesPerLeftChannel[i].yw)) |
((angles + 2f * math.PI >= profile.anglesPerLeftChannel[i].xz) &
(angles + 2f * math.PI <= profile.anglesPerLeftChannel[i].yw)));
if (perfectMatch)
{
weights.channelWeights[i] = 1f;
perfectMatch = true;
break;
}
}
if (!perfectMatch)
{
//No perfect match.
int4 bestMinMaxXYIndices = default; //This should always be overwritten
float4 bestAngleDeltas = new float4(2f * math.PI, -2f * math.PI, 2f * math.PI, -2f * math.PI);
FixedListInt128 candidateChannels = default;
FixedListFloat128 candidateDistances = default;
//Find our limits
scratchCache.Clear();
scratchCache.AddRangeFromBlob(ref profile.anglesPerLeftChannel);
var leftChannelDeltas = scratchCache.AsArray();
FixedList512 <bool2> leftChannelInsides = default;
for (int i = 0; i < leftChannelDeltas.Length; i++)
{
var delta = leftChannelDeltas[i] - angles.xxyy;
var temp = delta;
delta += math.select(0f, new float4(2f * math.PI, -2f * math.PI, 2f * math.PI, -2f * math.PI), delta * new float4(1f, -1f, 1f, -1f) < 0f);
delta -= math.select(0f,
new float4(2f * math.PI, -2f * math.PI, 2f * math.PI, -2f * math.PI),
delta * new float4(1f, -1f, 1f, -1f) >= 2f * math.PI);
temp -= math.select(0f, 2f * math.PI, temp.xxzz > 0f);
bool2 inside = temp.yw >= 0f;
leftChannelDeltas[i] = delta;
leftChannelInsides.Add(inside);
}
//By this point, any delta should be (positive, negative, positive, negative)
//Find our search region
for (int i = 0; i < leftChannelDeltas.Length; i++)
{
bool2 inside = leftChannelInsides[i];
var delta = leftChannelDeltas[i];
if (inside.x)
{
//above
if (delta.z <= bestAngleDeltas.z)
{
bestAngleDeltas.z = delta.z;
bestMinMaxXYIndices.z = i;
}
//below
if (delta.w >= bestAngleDeltas.w)
{
bestAngleDeltas.w = delta.w;
bestMinMaxXYIndices.w = i;
}
}
if (inside.y)
{
//right
if (delta.x <= bestAngleDeltas.x)
{
bestAngleDeltas.x = delta.x;
bestMinMaxXYIndices.x = i;
}
//left
if (delta.y >= bestAngleDeltas.y)
{
bestAngleDeltas.y = delta.y;
bestMinMaxXYIndices.y = i;
}
}
}
//Add our constraining indices to the pot
var bestAngleDistances = math.abs(bestAngleDeltas);
candidateChannels.Add(bestMinMaxXYIndices.x);
candidateDistances.Add(bestAngleDistances.x);
if (bestMinMaxXYIndices.x != bestMinMaxXYIndices.y)
{
candidateChannels.Add(bestMinMaxXYIndices.y);
candidateDistances.Add(bestAngleDistances.y);
}
else
{
candidateDistances[0] = math.min(candidateDistances[0], bestAngleDistances.y);
}
if (math.all(bestMinMaxXYIndices.xy != bestMinMaxXYIndices.z))
{
candidateChannels.Add(bestMinMaxXYIndices.z);
candidateDistances.Add(bestAngleDistances.z);
}
else if (bestMinMaxXYIndices.x == bestMinMaxXYIndices.z)
{
candidateDistances[0] = math.min(candidateDistances[0], bestAngleDistances.z);
}
else
{
candidateDistances[1] = math.min(candidateDistances[1], bestAngleDistances.z);
}
if (math.all(bestMinMaxXYIndices.xyz != bestMinMaxXYIndices.w))
{
candidateChannels.Add(bestMinMaxXYIndices.w);
candidateDistances.Add(bestAngleDistances.w);
}
else if (bestMinMaxXYIndices.x == bestMinMaxXYIndices.w)
{
candidateDistances[0] = math.min(candidateDistances[0], bestAngleDistances.w);
}
else if (bestMinMaxXYIndices.y == bestMinMaxXYIndices.w)
{
candidateDistances[1] = math.min(candidateDistances[1], bestAngleDistances.w);
}
else
{
candidateDistances[candidateDistances.Length - 1] = math.min(candidateDistances[candidateDistances.Length - 1], bestAngleDistances.w);
}
//Add additional candidates
for (int i = 0; i < leftChannelDeltas.Length; i++)
{
if (math.any(i == bestMinMaxXYIndices))
{
continue;
}
float4 delta = leftChannelDeltas[i];
bool added = false;
int c = candidateDistances.Length;
if (math.all(delta.xz < bestAngleDeltas.xz))
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.xz));
added = true;
}
if (delta.y > bestAngleDeltas.y && delta.z < bestAngleDeltas.z)
{
if (added)
{
candidateDistances[c] = math.min(candidateDistances[c], math.length(delta.yz));
}
else
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.yz));
added = true;
}
}
if (delta.x < bestAngleDeltas.x && delta.w < bestAngleDeltas.w)
{
if (added)
{
candidateDistances[c] = math.min(candidateDistances[c], math.length(delta.xw));
}
else
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.xw));
added = true;
}
}
if (math.all(delta.yw > bestAngleDeltas.yw))
{
if (added)
{
candidateDistances[c] = math.min(candidateDistances[c], math.length(delta.yw));
}
else
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.yw));
}
}
}
//Compute weights
float sum = 0f;
for (int i = 0; i < candidateDistances.Length; i++)
{
candidateDistances[i] = 1f / candidateDistances[i];
sum += candidateDistances[i];
}
for (int i = 0; i < candidateDistances.Length; i++)
{
weights.channelWeights[candidateChannels[i]] = candidateDistances[i] / sum;
}
}
//Right
//First, find if there is a perfect match
perfectMatch = false;
for (int i = 0; i < profile.anglesPerRightChannel.Length; i++)
{
perfectMatch = math.all(((angles >= profile.anglesPerRightChannel[i].xz) &
(angles <= profile.anglesPerRightChannel[i].yw)) |
((angles + 2f * math.PI >= profile.anglesPerRightChannel[i].xz) &
(angles + 2f * math.PI <= profile.anglesPerRightChannel[i].yw)));
if (perfectMatch)
{
weights.channelWeights[i + profile.anglesPerLeftChannel.Length] = 1f;
perfectMatch = true;
break;
}
}
if (!perfectMatch)
{
//No perfect match.
int4 bestMinMaxXYIndices = default; //This should always be overwritten
float4 bestAngleDeltas = new float4(2f * math.PI, -2f * math.PI, 2f * math.PI, -2f * math.PI);
FixedListInt128 candidateChannels = default;
FixedListFloat128 candidateDistances = default;
//Find our limits
scratchCache.Clear();
scratchCache.AddRangeFromBlob(ref profile.anglesPerRightChannel);
var rightChannelDeltas = scratchCache.AsArray();
FixedList512 <bool2> rightChannelInsides = default;
for (int i = 0; i < rightChannelDeltas.Length; i++)
{
var delta = rightChannelDeltas[i] - angles.xxyy;
var temp = delta;
delta += math.select(0f, new float4(2f * math.PI, -2f * math.PI, 2f * math.PI, -2f * math.PI), delta * new float4(1f, -1f, 1f, -1f) < 0f);
delta -= math.select(0f,
new float4(2f * math.PI, -2f * math.PI, 2f * math.PI, -2f * math.PI),
delta * new float4(1f, -1f, 1f, -1f) >= 2f * math.PI);
temp -= math.select(0f, 2f * math.PI, temp.xxzz > 0f);
bool2 inside = temp.yw >= 0f;
rightChannelDeltas[i] = delta;
rightChannelInsides.Add(inside);
}
//By this point, any delta should be (positive, negative, positive, negative)
//Find our search region
for (int i = 0; i < rightChannelDeltas.Length; i++)
{
bool2 inside = rightChannelInsides[i];
var delta = rightChannelDeltas[i];
if (inside.x)
{
//above
if (delta.z <= bestAngleDeltas.z)
{
bestAngleDeltas.z = delta.z;
bestMinMaxXYIndices.z = i;
}
//below
if (delta.w >= bestAngleDeltas.w)
{
bestAngleDeltas.w = delta.w;
bestMinMaxXYIndices.w = i;
}
}
if (inside.y)
{
//right
if (delta.x <= bestAngleDeltas.x)
{
bestAngleDeltas.x = delta.x;
bestMinMaxXYIndices.x = i;
}
//left
if (delta.y >= bestAngleDeltas.y)
{
bestAngleDeltas.y = delta.y;
bestMinMaxXYIndices.y = i;
}
}
}
//Add our constraining indices to the pot
var bestAngleDistances = math.abs(bestAngleDeltas);
candidateChannels.Add(bestMinMaxXYIndices.x);
candidateDistances.Add(bestAngleDistances.x);
if (bestMinMaxXYIndices.x != bestMinMaxXYIndices.y)
{
candidateChannels.Add(bestMinMaxXYIndices.y);
candidateDistances.Add(bestAngleDistances.y);
}
else
{
candidateDistances[0] = math.min(candidateDistances[0], bestAngleDistances.y);
}
if (math.all(bestMinMaxXYIndices.xy != bestMinMaxXYIndices.z))
{
candidateChannels.Add(bestMinMaxXYIndices.z);
candidateDistances.Add(bestAngleDistances.z);
}
else if (bestMinMaxXYIndices.x == bestMinMaxXYIndices.z)
{
candidateDistances[0] = math.min(candidateDistances[0], bestAngleDistances.z);
}
else
{
candidateDistances[1] = math.min(candidateDistances[1], bestAngleDistances.z);
}
if (math.all(bestMinMaxXYIndices.xyz != bestMinMaxXYIndices.w))
{
candidateChannels.Add(bestMinMaxXYIndices.w);
candidateDistances.Add(bestAngleDistances.w);
}
else if (bestMinMaxXYIndices.x == bestMinMaxXYIndices.w)
{
candidateDistances[0] = math.min(candidateDistances[0], bestAngleDistances.w);
}
else if (bestMinMaxXYIndices.y == bestMinMaxXYIndices.w)
{
candidateDistances[1] = math.min(candidateDistances[1], bestAngleDistances.w);
}
else
{
candidateDistances[candidateDistances.Length - 1] = math.min(candidateDistances[candidateDistances.Length - 1], bestAngleDistances.w);
}
//Add additional candidates
for (int i = 0; i < rightChannelDeltas.Length; i++)
{
if (math.any(i == bestMinMaxXYIndices))
{
continue;
}
float4 delta = rightChannelDeltas[i];
bool added = false;
int c = candidateDistances.Length;
if (math.all(delta.xz < bestAngleDeltas.xz))
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.xz));
added = true;
}
if (delta.y > bestAngleDeltas.y && delta.z < bestAngleDeltas.z)
{
if (added)
{
candidateDistances[c] = math.min(candidateDistances[c], math.length(delta.yz));
}
else
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.yz));
added = true;
}
}
if (delta.x < bestAngleDeltas.x && delta.w < bestAngleDeltas.w)
{
if (added)
{
candidateDistances[c] = math.min(candidateDistances[c], math.length(delta.xw));
}
else
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.xw));
added = true;
}
}
if (math.all(delta.yw > bestAngleDeltas.yw))
{
if (added)
{
candidateDistances[c] = math.min(candidateDistances[c], math.length(delta.yw));
}
else
{
candidateChannels.Add(i);
candidateDistances.Add(math.length(delta.yw));
}
}
}
//Compute weights
float sum = 0f;
for (int i = 0; i < candidateDistances.Length; i++)
{
candidateDistances[i] = 1f / candidateDistances[i];
sum += candidateDistances[i];
}
for (int i = 0; i < candidateDistances.Length; i++)
{
weights.channelWeights[candidateChannels[i] + profile.anglesPerLeftChannel.Length] = candidateDistances[i] / sum;
}
}
//Combine left and right
float combinedWeightSum = 0f;
for (int i = 0; i < profile.anglesPerLeftChannel.Length; i++)
{
weights.channelWeights[i] *= profile.filterVolumesPerLeftChannel[i] * (1f - profile.passthroughFractionsPerLeftChannel[i]) +
profile.passthroughVolumesPerLeftChannel[i] * profile.passthroughFractionsPerLeftChannel[i];
combinedWeightSum += weights.channelWeights[i];
}
for (int i = 0; i < profile.anglesPerRightChannel.Length; i++)
{
weights.channelWeights[i + profile.anglesPerLeftChannel.Length] *= profile.filterVolumesPerRightChannel[i] *
(1f - profile.passthroughFractionsPerRightChannel[i]) +
profile.passthroughVolumesPerRightChannel[i] *
profile.passthroughFractionsPerRightChannel[i];
combinedWeightSum += weights.channelWeights[i + profile.anglesPerLeftChannel.Length];
}
for (int i = 0; i < weights.channelWeights.Length; i++)
{
weights.channelWeights[i] /= combinedWeightSum;
}
}