public static short[] GetInds(this ModelMeshPart Part)
{
MeshDataContainer data = Part.GetPartData();
if (data == null)
{
return(null);
}
if (data.Indices == null)
{
IndexBuffer ib = Part.IndexBuffer;
short[] inds = new short[Part.PrimitiveCount * 3];
short[] ib_inds = ib.Tag as short[];
if (ib_inds == null)
{
ib_inds = new short[ib.IndexCount];
ib.GetData <short>(ib_inds);
ib.Tag = ib_inds;
}
int offset = Part.StartIndex;
for (int i = 0; i < inds.Length; ++i)
{
inds[i] = ib_inds[i + offset];
}
data.Indices = inds;
}
return(data.Indices);
}
public static VertexPositionColorTexture[] GetVerts(this ModelMeshPart Part)
{
MeshDataContainer data = Part.GetPartData();
if (data == null)
{
return(null);
}
if (data.Vertices == null)
{
VertexBuffer vb = Part.VertexBuffer;
VertexPositionColorTexture[] verts = new VertexPositionColorTexture[Part.NumVertices];
byte[] vb_verts = vb.Tag as byte[];
if (vb_verts == null)
{
vb_verts = new byte[vb.VertexCount * vb.VertexDeclaration.VertexStride];
vb.GetData <byte>(vb_verts);
vb.Tag = vb_verts;
}
int offset = Part.VertexOffset;
int vertStride = vb.VertexDeclaration.VertexStride;
var elements = vb.VertexDeclaration.GetVertexElements();
for (int v = 0; v < verts.Length; ++v)
{
verts[v].Color = Color.White;
}
foreach (var element in elements)
{
switch (element.VertexElementUsage)
{
case VertexElementUsage.Position: {
for (int v = 0; v < verts.Length; ++v)
{
verts[v].Position = vb_verts.ToVector3((v + offset) * vertStride + element.Offset);
}
} break;
/*case VertexElementUsage.Normal: {
* for (int v = 0; v < verts.Length; ++v) {
* verts[v].Normal = vb_verts.ToVector3((v + offset) * vertStride + element.Offset);
* }
* } break;*/
case VertexElementUsage.TextureCoordinate: {
for (int v = 0; v < verts.Length; ++v)
{
verts[v].TextureCoordinate = vb_verts.ToVector2((v + offset) * vertStride + element.Offset);
}
} break;
case VertexElementUsage.Color: {
for (int v = 0; v < verts.Length; ++v)
{
verts[v].Color = vb_verts.ToColor((v + offset) * vertStride + element.Offset);
}
} break;
}
}
/*for (int v = 0; v < verts.Length; ++v) {
* verts[v].Position = vb_verts[v + offset].Position;
* verts[v].TextureCoordinate = vb_verts[v + offset].TextureCoordinate;
* verts[v].Normal = vb_verts[v + offset].Normal;
* verts[v].Color = Color.White;
* }*/
data.Vertices = verts;
}
return(data.Vertices);
}