public static BoundingBox BoundingBoxFromXMesh(SlimDX.Direct3D9.Mesh mesh)
{
var c = mesh.LockVertexBuffer(SlimDX.Direct3D9.LockFlags.ReadOnly);
var b = SlimDX.BoundingBox.FromPoints(c, mesh.VertexCount, mesh.BytesPerVertex);
c.Close();
mesh.UnlockVertexBuffer();
return(b);
}
public Mesh(SlimDX.Direct3D9.Mesh mesh)
{
if (mesh.BytesPerVertex != Vertex.PositionNormalTexcoord.Instance.Size ||
mesh.VertexFormat != Vertex.PositionNormalTexcoord.Instance.VertexFormat)
{
throw new Exception("Mesh vertex buffer needs to be in the format Position3Normal3Texcoord3");
}
var vb = mesh.LockVertexBuffer(SlimDX.Direct3D9.LockFlags.ReadOnly);
NVertices = (int)vb.Length /
Vertex.PositionNormalTexcoord.Instance.Size;
var vbs = vb.ReadRange <Vertex.PositionNormalTexcoord>(NVertices);
VertexBuffer = new VertexBuffer <Vertex.PositionNormalTexcoord>(vbs);
mesh.UnlockVertexBuffer();
vb.Close();
var ib = mesh.LockIndexBuffer(SlimDX.Direct3D9.LockFlags.ReadOnly);
NFaces = mesh.FaceCount;
if ((mesh.CreationOptions & SlimDX.Direct3D9.MeshFlags.Use32Bit) == 0)
{
List <int> ibs = new List <int>();
foreach (var v in ib.ReadRange <short>(NFaces * 3))
{
ibs.Add(v);
}
IndexBuffer = new IndexBuffer(ibs.ToArray());
}
else
{
IndexBuffer = new IndexBuffer(ib.ReadRange <int>(NFaces * 3));
}
mesh.UnlockIndexBuffer();
ib.Close();
VertexStreamLayout = Vertex.PositionNormalTexcoord.Instance;
MeshType = MeshType.Indexed;
}