public BasicMesh GetBasicMesh(LLPrimitive prim)
{
BasicMesh mesh;
OpenMetaverseMesh omvMesh = null;
ulong physicsKey = prim.GetPhysicsKey();
// Try a cache lookup first
if (m_meshCache != null && m_meshCache.TryGetBasicMesh(physicsKey, BASIC_MESH_LOD, out mesh))
{
return(mesh);
}
// Can't go any further without a prim renderer
if (m_renderer == null)
{
return(null);
}
if (prim.Prim.Sculpt != null && prim.Prim.Sculpt.SculptTexture != UUID.Zero)
{
// Sculpty meshing
Bitmap sculptTexture = GetSculptMap(prim.Prim.Sculpt.SculptTexture);
if (sculptTexture != null)
{
omvMesh = m_renderer.GenerateSimpleSculptMesh(prim.Prim, sculptTexture, OpenMetaverse.Rendering.DetailLevel.Low);
}
}
else
{
// Basic prim meshing
omvMesh = m_renderer.GenerateSimpleMesh(prim.Prim, OpenMetaverse.Rendering.DetailLevel.Medium);
}
if (omvMesh == null)
{
return(null);
}
#if DEBUG
for (int i = 0; i < omvMesh.Indices.Count; i++)
{
System.Diagnostics.Debug.Assert(omvMesh.Indices[i] < omvMesh.Vertices.Count, "Mesh index is out of range");
}
#endif
// Convert the OpenMetaverse.Rendering mesh to a BasicMesh
mesh = new BasicMesh();
mesh.Vertices = new Vector3[omvMesh.Vertices.Count];
for (int i = 0; i < omvMesh.Vertices.Count; i++)
{
mesh.Vertices[i] = omvMesh.Vertices[i].Position;
}
mesh.Indices = omvMesh.Indices.ToArray();
mesh.Volume = Util.GetMeshVolume(mesh, Vector3.One);
// Store the result in the mesh cache, if we have one
if (m_meshCache != null)
{
m_meshCache.StoreBasicMesh(physicsKey, BASIC_MESH_LOD, mesh);
}
return(mesh);
}
public SimpleMesh GenerateSimpleMesh(Primitive prim, DetailLevel lod)
{
return(Renderer.GenerateSimpleMesh(prim, lod));
}
