public void Render()
{
UpdatePerFrameBuffer();
UpdateLightBuffers();
//Clear targets
deviceContext.ClearDepthStencilView(depthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1, 0);
deviceContext.ClearRenderTargetView(renderTargetView, Color.Gray);
//Camera matrix calulcations
Transform cameraTransform = engine.MainCamera.Transform;
Matrix viewMatrix = Matrix.LookAtLH(cameraTransform.WorldPosition, (cameraTransform.Forward + cameraTransform.WorldPosition), Vector3.UnitY);
Matrix projectionMatrix = Matrix.PerspectiveFovLH((float)((Math.PI / 4)), aspectRatio, 0.01f, 200f);
IEnumerable <Shader> shaders = engine.ShaderMaterialGroupings.Keys;
foreach (Shader shader in shaders)
{
shader.BeginRender(renderService);
//Set per-frame and light buffers (camera position)
renderService.SetConstantBuffer(Constants.ConstantBufferNames.PER_FRAME_CB, shader);
renderService.SetConstantBuffer(Constants.ConstantBufferNames.POINT_LIGHT_CB, shader);
renderService.SetConstantBuffer(Constants.ConstantBufferNames.DIRECTIONAL_LIGHT_CB, shader);
IEnumerable <Material> materials = engine.MaterialRendererGroupings.Keys;
foreach (Material material in materials)
{
material.BeginRender(renderService);
IEnumerable <MeshRenderer> meshRenderers = engine.MaterialRendererGroupings[material];
foreach (MeshRenderer renderer in meshRenderers)
{
PerObjectCB perObjectCB = UpdateWorldMatrices(renderer.Transform.WorldMatrix, viewMatrix, projectionMatrix);
renderService.SetConstantBuffer(Constants.ConstantBufferNames.PER_OBJECT_CB, shader);
renderService.UpdateConstantBuffer(Constants.ConstantBufferNames.PER_OBJECT_CB, ref perObjectCB);
deviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(renderer.Mesh.VertexBuffer, shader.InputElementStride, 0));
deviceContext.InputAssembler.SetIndexBuffer(renderer.Mesh.IndexBuffer, Format.R32_UInt, 0);
deviceContext.DrawIndexed(renderer.Mesh.Indices.Length, 0, 0);
}
}
}
swapChain.Present(1, PresentFlags.None);
}