void RenderMaterial(DeviceContext context, D3DAnimRenderComponent render, CMOAnimateMeshComponent mesh)
{
var materialCount = mesh.Materials.Count;
// If there are no materials
if (materialCount == 0)
{
RenderMeshes(context, render, mesh.SubMeshes);
return;
}
// Draw sub-meshes grouped by material
for (var mIndx = 0; mIndx < materialCount; mIndx++)
{
// Retrieve sub meshes for this material
var subMeshesForMaterial = mesh.SubMeshes.Where(x => x.MaterialIndex == mIndx).ToList();
try {
// If the material buffer is available and there are submeshes
// using the material update the PerMaterialBuffer
if (subMeshesForMaterial.Count > 0)
{
// update the PerMaterialBuffer constant buffer
var material = new ConstantBuffers.PerMaterial()
{
Ambient = mesh.Materials[mIndx].Ambient,
Diffuse = mesh.Materials[mIndx].Diffuse,
Emissive = mesh.Materials[mIndx].Emissive,
Specular = mesh.Materials[mIndx].Specular,
SpecularPower = mesh.Materials[mIndx].SpecularPower,
UVTransform = mesh.Materials[mIndx].UVTransform,
};
// Bind textures to the pixel shader
int texIndxOffset = mIndx * CMOAnimateMeshComponent.MaxTextures;
material.HasTexture = (uint)(render.TextureViews.Get()[texIndxOffset] != null ? 1 : 0); // 0=false
context.PixelShader.SetShaderResources(0, render.TextureViews.Get().GetRange(texIndxOffset, CMOAnimateMeshComponent.MaxTextures).ToArray());
context.PixelShader.SetSampler(0, render.SamplerState.Get());
context.UpdateSubresource(ref material, render.PerMaterialBuffer.Get());
}
} catch (Exception ex) {
ex.ToString();
}
// For each sub-mesh
RenderMeshes(context, render, subMeshesForMaterial);
}
}
void RenderMeshes(DeviceContext context, D3DAnimRenderComponent render, List <CMOAnimateMeshComponent.SubMesh> meshes)
{
foreach (var subMesh in meshes)
{
try {
// Ensure the vertex buffer and index buffers are in range
// if (subMesh.VertexBufferIndex < vertexBuffers.Count && subMesh.IndexBufferIndex < indexBuffers.Count) {
// Retrieve and set the vertex and index buffers
var vertexBuffer = render.GetVertexBuffers((int)subMesh.VertexBufferIndex);
context.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertexBuffer, Unsafe.SizeOf <Vertex>(), 0));
context.InputAssembler.SetIndexBuffer(render.GetIndexBuffers((int)subMesh.IndexBufferIndex),
SharpDX.DXGI.Format.R16_UInt, 0);
// Set topology
context.InputAssembler.PrimitiveTopology = render.PrimitiveTopology;
// }
// Draw the sub-mesh (includes Primitive count which we multiply by 3)
// The submesh also includes a start index into the vertex buffer
context.DrawIndexed((int)subMesh.PrimCount * 3, (int)subMesh.StartIndex, 0);
} catch (Exception ex) {
ex.ToString();
}
}
}
void UpdateRenderComponent(Device device, D3DAnimRenderComponent render, CMOAnimateMeshComponent mesh)
{
render.ClearIndexBuffer();
render.ClearVertexBuffer();
render.TextureViews.Set(new List <ShaderResourceView>());
try {
// Initialize vertex buffers
for (int indx = 0; indx < mesh.VertexBuffers.Count; indx++)
{
var vb = mesh.VertexBuffers[indx];
Vertex[] vertices = new Vertex[vb.Length];
for (var i = 0; i < vb.Length; i++)
{
// Retrieve skinning information for vertex
var skin = new SkinningVertex();
if (mesh.SkinningVertexBuffers.Count > 0)
{
skin = mesh.SkinningVertexBuffers[indx][i];
}
// Create vertex
vertices[i] = new Vertex(vb[i].Position, vb[i].Normal, (Vector4)vb[i].Color, vb[i].UV, skin);
}
render
.AddVertexBuffer(Buffer.Create(device, BindFlags.VertexBuffer, vertices))
.DebugName = "VertexBuffer_" + indx.ToString();
}
// Initialize index buffers
for (var i = 0; i < mesh.IndexBuffers.Count; i++)
{
var ib = mesh.IndexBuffers[i];
render
.AddIndexBuffer(Buffer.Create(device, BindFlags.IndexBuffer, ib))
.DebugName = "IndexBuffer_" + i.ToString();
}
var tloader = new TextureLoader(device);
//Load textures if a material has any.
foreach (var mat in mesh.Materials)
{
for (var i = 0; i < mat.Textures.Length; i++)
{
if (System.IO.File.Exists(mat.Textures[i]))
{
render.TextureViews.Get().Add(tloader.LoadShaderResource(new FileInfo(mat.Textures[i])));
}
else
{
render.TextureViews.Get().Add(null);
}
}
}
} catch (Exception ex) {
ex.ToString();
}
render.PerMaterialBuffer.Set(new Buffer(device, Unsafe.SizeOf <ConstantBuffers.PerMaterial>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0));
render.PerObjectBuffer.Set(new Buffer(device, Unsafe.SizeOf <ConstantBuffers.PerObject>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0));
render.PerArmatureBuffer.Set(new Buffer(device, ConstantBuffers.PerArmature.Size(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0));
}