public VertexArray getSkinIndices()
{
this.requireVertexBufferNotNull();
VertexBuffer vertexBuffer = this.getVertexBuffer();
VertexArray skinIndices = vertexBuffer.getSkinIndices();
if (skinIndices == null)
{
if (this.m_skinIndices == null)
{
int vertexCount = vertexBuffer.getVertexCount();
this.m_skinIndices = new VertexArray(vertexCount, 4, 1);
Node[] boneArray = this.getBoneArray();
int[] numArray1 = new int[4];
int[] numArray2 = new int[4];
sbyte[] src = new sbyte[4];
for (int firstVertex = 0; firstVertex < vertexCount; ++firstVertex)
{
for (int index = 0; index < 4; ++index)
{
numArray1[index] = 0;
numArray2[index] = 0;
}
for (int index1 = 0; index1 < boneArray.Length; ++index1)
{
int num = Math.Abs(this.getWeights(boneArray[index1])[firstVertex]);
if (num != 0)
{
for (int index2 = 0; index2 < 4; ++index2)
{
if (num > numArray2[index2])
{
for (int index3 = 3; index3 > index2; --index3)
{
numArray1[index3] = numArray1[index3 - 1];
numArray2[index3] = numArray2[index3 - 1];
}
numArray1[index2] = index1;
numArray2[index2] = num;
break;
}
}
}
}
for (int index = 0; index < 4; ++index)
{
int num = numArray1[index];
if (num > (int)sbyte.MaxValue)
{
num -= 256;
}
src[index] = (sbyte)num;
}
this.m_skinIndices.set(firstVertex, 1, src);
this.m_vertexBuffer.finalVertexData[firstVertex].skinIndex.X = (float)src[0];
this.m_vertexBuffer.finalVertexData[firstVertex].skinIndex.Y = (float)src[1];
this.m_vertexBuffer.finalVertexData[firstVertex].skinIndex.Z = (float)src[2];
this.m_vertexBuffer.finalVertexData[firstVertex].skinIndex.W = 0.0f;
}
}
skinIndices = this.m_skinIndices;
}
return(skinIndices);
}