public VertexBufferObjectMesh( Mesh mesh, UInt32 offset )
{
this._offset = offset;
this._indicesList = new Queue< UInt32 >();
this.hash = mesh.hash;
foreach( UInt32 index in mesh.indices ) {
this._indicesList.Enqueue( index + offset );
}
}
public VertexBufferObjectMesh AddMesh( Mesh mesh, UInt32 renderableObjectIndex )
{
VertexBufferObjectMesh existsMesh = this.MeshExists( mesh );
if( existsMesh != null ) {
return existsMesh;
}
UInt32 offset = ( UInt32 ) this._verticesList.Count;
foreach( var vertex in mesh.vertices ) {
this._verticesList.Enqueue( vertex );
this._perVerticeData.Enqueue( new Vector4UInt32( renderableObjectIndex, 0, 0, 0 ) );
this._perVerticeData.Enqueue( new Vector4UInt32( renderableObjectIndex, 0, 0, 0 ) );
this._perVerticeData.Enqueue( new Vector4UInt32( renderableObjectIndex, 0, 0, 0 ) );
this._perVerticeData.Enqueue( new Vector4UInt32( renderableObjectIndex, 0, 0, 0 ) );
}
foreach( var color in mesh.colors ) {
this._colorsList.Enqueue( color );
}
foreach( var normal in mesh.normals ) {
this._normalsList.Enqueue( normal );
}
foreach( var texCoord in mesh.texCoords ) {
this._texCoordsList.Enqueue( new Vector4( texCoord.X, texCoord.Y, 0.0f, 0.0f ) );
}
VertexBufferObjectMesh newVBOMesh = new VertexBufferObjectMesh( mesh, offset );
this._meshList.Add( newVBOMesh );
GL.BindBuffer( BufferTarget.ElementArrayBuffer, this._ibo );
GL.BufferData( BufferTarget.ElementArrayBuffer, ( IntPtr ) ( sizeof( uint ) * mesh.indices.Count ), newVBOMesh.indicesList.ToArray(), BufferUsageHint.StaticDraw );
GL.BindBuffer( BufferTarget.ArrayBuffer, this.descriptors[ VertexBufferObject.DESCRIPTOR_VERTEX ] );
GL.BufferData( BufferTarget.ArrayBuffer, ( IntPtr ) ( this._verticesList.Count * sizeof( float ) * 3 ), this._verticesList.ToArray(), BufferUsageHint.StaticDraw );
GL.BindBuffer( BufferTarget.ArrayBuffer, this.descriptors[ VertexBufferObject.DESCRIPTOR_COLOR ] );
GL.BufferData( BufferTarget.ArrayBuffer, ( IntPtr ) ( this._colorsList.Count * sizeof( float ) * 4 ), this._colorsList.ToArray(), BufferUsageHint.StaticDraw );
GL.BindBuffer( BufferTarget.ArrayBuffer, this.descriptors[ VertexBufferObject.DESCRIPTOR_INFO ] );
GL.BufferData( BufferTarget.ArrayBuffer, ( IntPtr ) ( this._perVerticeData.Count * sizeof( UInt32 ) * 4 ), this._perVerticeData.ToArray(), BufferUsageHint.StaticDraw );
GL.BindBuffer( BufferTarget.ArrayBuffer, this.descriptors[ VertexBufferObject.DESCRIPTOR_TEXCOORDS ] );
GL.BufferData( BufferTarget.ArrayBuffer, ( IntPtr ) ( this._texCoordsList.Count * sizeof( float ) * 4 ), this._texCoordsList.ToArray(), BufferUsageHint.StaticDraw );
GL.BindBuffer( BufferTarget.ArrayBuffer, this.descriptors[ VertexBufferObject.DESCRIPTOR_NORMALS ] );
GL.BufferData( BufferTarget.ArrayBuffer, ( IntPtr ) ( this._normalsList.Count * sizeof( float ) * 3 ), this._normalsList.ToArray(), BufferUsageHint.StaticDraw );
GL.BindBuffer( BufferTarget.ArrayBuffer, 0 );
return newVBOMesh;
}
public VertexBufferObjectMesh MeshExists( Mesh mesh )
{
foreach( VertexBufferObjectMesh thisMesh in this._meshList ) {
if( thisMesh.hash == mesh.hash ) {
return thisMesh;
}
}
return null;
}