/// <summary>
/// Initializes new wrapper object for native mesh.
/// </summary>
/// <param name="obj">Static object that hosts the mesh.</param>
public NativeMesh(StaticObject obj)
{
if (obj.Disposed)
{
throw new ObjectDisposedException("Cannot acquire mesh data from static" +
" object that has been disposed of.");
}
MeshHandles handles = StaticObjectInterop.GetMeshHandles(obj.Handle);
if (handles.IndexedMeshHandle == IntPtr.Zero || handles.MeshHandle == IntPtr.Zero)
{
throw new Exception("Unable to acquire mesh handles for the static object.");
}
this.CMeshHandle = handles.MeshHandle;
this.IndexedMeshHandle = handles.IndexedMeshHandle;
this.StaticObject = obj;
this.colors0 = new NativeVertexColor0Collection(this);
this.colors1 = new NativeVertexColor1Collection(this);
this.faces = new NativeFaceCollection(this.CMeshHandle);
this.indices = new NativeIndicesCollection(this);
this.positions = new NativeVertexPositionCollection(this);
this.normals = new NativeVertexNormalCollection(this);
this.tangents = new NativeVertexTangentCollection(this);
this.qTangents = new NativeVertexQTangentCollection(this);
this.texCoords = new NativeVertexTextureCoordinatesCollection(this);
}
/// <summary>
/// Performs disposal of this instance.
/// </summary>
/// <param name="disposeManagedResources">
/// Indicates whether all resources allocated in managed environment must be freed.
/// </param>
protected void Dispose(bool disposeManagedResources)
{
if (this.Disposed)
{
return;
}
StaticObjectInterop.ReleaseStaticObject(this.Handle);
this.Disposed = true;
}
/// <summary>
/// Creates a new empty static object.
/// </summary>
/// <remarks>
/// This constructor invokes I3DEngine->CreateStatObj() method that initializes empty
/// instance of IStatObj, that does not contain any mesh data.
///
/// This means that you should use this constructor when you need to create a mesh object
/// from scratch.
///
/// Failure to create new object will mark this wrapper as disposed.
/// </remarks>
public StaticObject()
{
this.Handle = StaticObjectInterop.CreateStaticObject();
this.Disposed = this.Handle == IntPtr.Zero;
}