/// <summary>
/// Throws the Render event.
/// </summary>
/// <param name="e">The event data.</param>
public override void OnRender(RenderEventArgs e)
{
base.OnRender(e);
// if (_vertexBuffer != null)
if ((_vertexBuffer != null) && (_sculptor.VertexPositionTextureNormals != null))
{
// For texture rendering
e.GraphicsDevice.SamplerStates[0] = _samplerState;
e.GraphicsDevice.SetVertexBuffer(null); // to prevent InvalidOperationException during _vertexBuffer.SetData()
_vertexBuffer.SetData(0, _sculptor.VertexPositionTextureNormals, 0, _sculptor.VertexPositionTextureNormals.Length, 0);
// e.GraphicsDevice.SetVertexBuffer(_vertexBuffer);
// Vertex pipeline
e.GraphicsDevice.SetVertexBuffer(_vertexBuffer);
ShaderHelper.SetVertexShader(e.GraphicsDevice, _scene._vertexShader);
ShaderHelper.SetVertexShaderConstantMatrix(e.GraphicsDevice, ref e.ViewProjection);
ShaderHelper.SetVertexShaderConstantMatrix(e.GraphicsDevice, ref _matrix);
// Pixel pipeline
ShaderHelper.SetPixelShader(e.GraphicsDevice, _scene._pixelShader);
Vector4 lookDirection = new Vector4(_scene.Camera.LookTarget, 0.0f);
ShaderHelper.SetPixelShaderConstantFloat4(e.GraphicsDevice, ref lookDirection);
ShaderHelper.SetPixelShaderConstantFloat4(e.GraphicsDevice, ref _scene._ambientLightVector);
ShaderHelper.SetPixelShaderConstantFloat4(e.GraphicsDevice, ref _scene._directionalLightVector1);
ShaderHelper.SetPixelShaderConstantFloat4(e.GraphicsDevice, ref _scene._directionalLightVector2);
ShaderHelper.SetPixelShaderConstantFloat4(e.GraphicsDevice, ref _scene._directionalLightVector3);
ShaderHelper.SetPixelShaderConstantFloat4(e.GraphicsDevice, ref _scene._directionalLightVector4);
ShaderHelper.SetPixelShaderConstantMaterial(e.GraphicsDevice, ref _material);
if (_texture != null)
{
e.GraphicsDevice.Textures[0] = _texture;
}
if (_sculptor.Triangles.Count > 0) // to prevent ArgumentOutOfRangeException on GraphicsDevice.DrawPrimitives()
{
e.GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, _sculptor.Triangles.Count);
if (_backTexture != null)
{
e.GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
e.GraphicsDevice.Textures[0] = _backTexture;
ShaderHelper.SetPixelShaderConstantMaterial(e.GraphicsDevice, ref _backMaterial);
e.GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, _sculptor.Triangles.Count);
e.GraphicsDevice.RasterizerState = Helper3D.DefaultRasterizerState;
}
}
}
}