public GeometryBucket(MaterialBucket parent, string formatString,
VertexData vData, IndexData iData)
{
// Clone the structure from the example
this.parent = parent;
this.formatString = formatString;
vertexData = vData.Clone(false);
indexData = iData.Clone(false);
vertexData.vertexCount = 0;
vertexData.vertexStart = 0;
indexData.indexCount = 0;
indexData.indexStart = 0;
indexType = indexData.indexBuffer.Type;
queuedGeometry = new List<QueuedGeometry>();
// Derive the max vertices
if (indexType == IndexType.Size32)
maxVertexIndex = int.MaxValue;
else
maxVertexIndex = ushort.MaxValue;
// Check to see if we have blend indices / blend weights
// remove them if so, they can try to blend non-existent bones!
VertexElement blendIndices =
vertexData.vertexDeclaration.FindElementBySemantic(VertexElementSemantic.BlendIndices);
VertexElement blendWeights =
vertexData.vertexDeclaration.FindElementBySemantic(VertexElementSemantic.BlendWeights);
if (blendIndices != null && blendWeights != null) {
Debug.Assert(blendIndices.Source == blendWeights.Source,
"Blend indices and weights should be in the same buffer");
// Get the source
ushort source = blendIndices.Source;
Debug.Assert(blendIndices.Size + blendWeights.Size ==
vertexData.vertexBufferBinding.GetBuffer(source).VertexSize,
"Blend indices and blend buffers should have buffer to themselves!");
// Unset the buffer
vertexData.vertexBufferBinding.UnsetBinding(source);
// Remove the elements
vertexData.vertexDeclaration.RemoveElement(VertexElementSemantic.BlendIndices);
vertexData.vertexDeclaration.RemoveElement(VertexElementSemantic.BlendWeights);
}
}
