public void Render(GraphicsDevice graphicsDevice, Camera camera, Matrix worldMatrix)
{
// Render scene.
graphicsDevice.BlendState = BlendState.Opaque;
graphicsDevice.DepthStencilState = DepthStencilState.Default;
graphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
graphicsDevice.SamplerStates[0] = SamplerStateUtility.ShadowMap;
_meshEffect.VisualizeCascades = _settings.VisualizeCascades;
_meshEffect.FilterAcrossCascades = _settings.FilterAcrossCascades;
_meshEffect.FilterSize = _settings.FixedFilterSize;
_meshEffect.Bias = _settings.Bias;
_meshEffect.OffsetScale = _settings.OffsetScale;
_meshEffect.ViewProjection = camera.ViewProjection;
_meshEffect.CameraPosWS = camera.Position;
_meshEffect.ShadowMap = _shadowMap;
_meshEffect.LightDirection = _settings.LightDirection;
_meshEffect.LightColor = _settings.LightColor;
_boundingFrustum.Matrix = camera.ViewProjection;
// Draw all meshes.
foreach (var mesh in _scene.Meshes)
{
if (!_boundingFrustum.Intersects(mesh.BoundingSphere))
{
continue;
}
foreach (var meshPart in mesh.MeshParts)
{
if (meshPart.PrimitiveCount > 0)
{
var basicEffect = (BasicEffect)meshPart.Effect;
_meshEffect.DiffuseColor = basicEffect.DiffuseColor;
_meshEffect.World = _sceneTransforms[mesh.ParentBone.Index] * worldMatrix;
_meshEffect.Apply();
graphicsDevice.SetVertexBuffer(meshPart.VertexBuffer);
graphicsDevice.Indices = meshPart.IndexBuffer;
graphicsDevice.DrawIndexedPrimitives(
PrimitiveType.TriangleList,
meshPart.VertexOffset, 0, meshPart.NumVertices,
meshPart.StartIndex, meshPart.PrimitiveCount);
}
}
}
}
private void Draw(
CommandEncoder commandEncoder,
MeshEffect meshEffect,
EffectPipelineStateHandle pipelineStateHandle,
IEnumerable <ModelMeshMaterialPass> materialPasses,
RenderInstanceData instanceData)
{
commandEncoder.SetVertexBuffer(2, instanceData.WorldBuffer);
if (Skinned)
{
meshEffect.SetSkinningBuffer(instanceData.SkinningBuffer);
meshEffect.SetNumBones(NumBones);
}
meshEffect.SetSkinningEnabled(Skinned);
meshEffect.SetMaterials(_materialsBuffer);
meshEffect.SetTextures(_textures);
commandEncoder.SetVertexBuffer(0, _vertexBuffer);
foreach (var materialPass in materialPasses)
{
meshEffect.SetTextureIndices(materialPass.TextureIndicesBuffer);
meshEffect.SetMaterialIndices(materialPass.MaterialIndicesBuffer);
meshEffect.SetNumTextureStages(materialPass.NumTextureStages);
commandEncoder.SetVertexBuffer(1, materialPass.TexCoordVertexBuffer);
foreach (var meshPart in materialPass.MeshParts)
{
if (meshPart.PipelineStateHandle != pipelineStateHandle)
{
continue;
}
meshEffect.SetPrimitiveOffset(meshPart.StartIndex / 3);
meshEffect.SetAlphaTest(meshPart.AlphaTest);
meshEffect.SetTexturing(meshPart.Texturing);
meshEffect.Apply(commandEncoder);
commandEncoder.DrawIndexedInstanced(
PrimitiveType.TriangleList,
meshPart.IndexCount,
instanceData.NumInstances,
_indexBuffer,
meshPart.StartIndex);
}
}
}