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fix GC allocate on BoneMeshEraser

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This commit is contained in:
TORISOUP
2020-04-15 17:11:24 +09:00
parent e41708101c
commit 71d35a062d
1 changed files with 69 additions and 13 deletions
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82
Assets/VRM/UniVRM/Scripts/SkinnedMeshUtility/BoneMeshEraser.cs
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@@ -8,6 +8,22 @@ namespace VRM
{
public static class BoneMeshEraser
{
private struct ExcludeBoneIndex
{
public readonly bool Bone0;
public readonly bool Bone1;
public readonly bool Bone2;
public readonly bool Bone3;
public ExcludeBoneIndex(bool bone0, bool bone1, bool bone2, bool bone3)
{
Bone0 = bone0;
Bone1 = bone1;
Bone2 = bone2;
Bone3 = bone3;
}
}
[Serializable]
public struct EraseBone
{
@@ -23,7 +39,7 @@ namespace VRM
static int ExcludeTriangles(int[] triangles, BoneWeight[] bws, int[] exclude)
{
int count = 0;
if (bws != null && bws.Length>0)
if (bws != null && bws.Length > 0)
{
for (int i = 0; i < triangles.Length; i += 3)
{
@@ -33,24 +49,27 @@ namespace VRM
{
var bw = bws[a];
if (bw.weight0 > 0 && exclude.Contains(bw.boneIndex0)) continue;
if (bw.weight1 > 0 && exclude.Contains(bw.boneIndex1)) continue;
if (bw.weight2 > 0 && exclude.Contains(bw.boneIndex2)) continue;
if (bw.weight3 > 0 && exclude.Contains(bw.boneIndex3)) continue;
var eb = AreBoneContains(ref exclude, bw.boneIndex0, bw.boneIndex1, bw.boneIndex2, bw.boneIndex3);
if (bw.weight0 > 0 && eb.Bone0) continue;
if (bw.weight1 > 0 && eb.Bone1) continue;
if (bw.weight2 > 0 && eb.Bone2) continue;
if (bw.weight3 > 0 && eb.Bone3) continue;
}
{
var bw = bws[b];
if (bw.weight0 > 0 && exclude.Contains(bw.boneIndex0)) continue;
if (bw.weight1 > 0 && exclude.Contains(bw.boneIndex1)) continue;
if (bw.weight2 > 0 && exclude.Contains(bw.boneIndex2)) continue;
if (bw.weight3 > 0 && exclude.Contains(bw.boneIndex3)) continue;
var eb = AreBoneContains(ref exclude, bw.boneIndex0, bw.boneIndex1, bw.boneIndex2, bw.boneIndex3);
if (bw.weight0 > 0 && eb.Bone0) continue;
if (bw.weight1 > 0 && eb.Bone1) continue;
if (bw.weight2 > 0 && eb.Bone2) continue;
if (bw.weight3 > 0 && eb.Bone3) continue;
}
{
var bw = bws[c];
if (bw.weight0 > 0 && exclude.Contains(bw.boneIndex0)) continue;
if (bw.weight1 > 0 && exclude.Contains(bw.boneIndex1)) continue;
if (bw.weight2 > 0 && exclude.Contains(bw.boneIndex2)) continue;
if (bw.weight3 > 0 && exclude.Contains(bw.boneIndex3)) continue;
var eb = AreBoneContains(ref exclude, bw.boneIndex0, bw.boneIndex1, bw.boneIndex2, bw.boneIndex3);
if (bw.weight0 > 0 && eb.Bone0) continue;
if (bw.weight1 > 0 && eb.Bone1) continue;
if (bw.weight2 > 0 && eb.Bone2) continue;
if (bw.weight3 > 0 && eb.Bone3) continue;
}
triangles[count++] = a;
@@ -58,9 +77,46 @@ namespace VRM
triangles[count++] = c;
}
}
return count;
}
private static ExcludeBoneIndex AreBoneContains(ref int[] exclude, int boneIndex0, int boneIndex1,
int boneIndex2, int boneIndex3)
{
var b0 = false;
var b1 = false;
var b2 = false;
var b3 = false;
for (int i = 0; i < exclude.Length; i++)
{
if (exclude[i] == boneIndex0)
{
b0 = true;
continue;
}
if (exclude[i] == boneIndex1)
{
b1 = true;
continue;
}
if (exclude[i] == boneIndex2)
{
b2 = true;
continue;
}
if (exclude[i] == boneIndex3)
{
b3 = true;
}
}
return new ExcludeBoneIndex(b0, b1, b2, b3);
}
public static Mesh CreateErasedMesh(Mesh src, int[] eraseBoneIndices)
{
/*