public static Vertex Read(byte[] buffer, VertexFormat format, int[] offsets)
{
Vertex vertex = new Vertex();
foreach (var element in format.Elements) {
int elementOffset = offsets[element.SourcePart];
ReadElement(buffer, element, elementOffset, ref vertex);
}
return vertex;
}
static void ReadElement(byte[] buffer, VertexFormatElement element, int offset, ref Vertex vertex)
{
var data = ReadData(buffer, element.DataType, offset + element.Offset);
switch (element.Attribute) {
case VertexAttribute.BlendIndices:
vertex.BlendIndices = (uint)data;
break;
case VertexAttribute.BlendWeights:
vertex.BlendWeights = (Vector4)data;
break;
case VertexAttribute.Color:
vertex.Color = (Vector4)data;
break;
case VertexAttribute.Normal:
vertex.Normal = ForceToVector3(data);
break;
case VertexAttribute.Position:
vertex.Position = ForceToVector4(data);
break;
case VertexAttribute.Tangent2:
vertex.Tangent2 = (Vector4)data;
break;
case VertexAttribute.Tangent1:
vertex.Tangent1 = (Vector4)data;
break;
case VertexAttribute.UV:
vertex.UV = ForceToVector4(data);
break;
default:
throw new NotSupportedException();
}
}
