Axiom.Graphics.AnyBuilder.AddObject C# (CSharp) Method

		public void AddObject( IRenderable obj )
		{
			if ( obj == null )
				throw new ArgumentNullException();

			RenderOperation renderOp = obj.RenderOperation;

			IndexData indexData;
			if ( renderOp.useIndices )
			{
				indexData = renderOp.indexData;
			}
			else
			{
				//Create custom index buffer
				int vertexCount = renderOp.vertexData.vertexCount;
				IndexType itype = vertexCount > UInt16.MaxValue ?
				IndexType.Size32 : IndexType.Size16;

				DefaultHardwareIndexBuffer ibuf = new DefaultHardwareIndexBuffer( itype, vertexCount, BufferUsage.Static );
				customIndexBufferList.Add( ibuf ); //to be disposed later

				indexData = new IndexData();
				indexData.indexBuffer = ibuf;
				indexData.indexCount = vertexCount;
				indexData.indexStart = 0;

				//Fill buffer with indices
				IntPtr ibuffer =
				indexData.indexBuffer.Lock( BufferLocking.Normal );
				try
				{
					unsafe
					{
						Int16* ibuf16 = (Int16*)ibuffer;
						Int32* ibuf32 = (Int32*)ibuffer;
						for ( int i = 0; i < indexData.indexCount; i++ )
						{
							if ( itype == IndexType.Size16 )
							{
								ibuf16[ i ] = (Int16)i;
							}
							else
							{
								ibuf32[ i ] = i;
							}
						}
					} //unsafe
				}
				finally
				{
					indexData.indexBuffer.Unlock();
				}
			}

			AddVertexData( renderOp.vertexData );
			AddIndexData( indexData, vertexDataList.Count - 1,
			renderOp.operationType );
		}