static void DrawTriMeshMarker(
Metal::DeviceContext& devContext,
ParsingContext& parserContext,
const VisGeoBox& visBox,
const ResolvedShader& shader, const RetainedEntity& obj,
EntityInterface::RetainedEntities& objs)
{
static auto IndexListHash = ParameterBox::MakeParameterNameHash("IndexList");
if (!obj._properties.GetParameter(Parameters::Visible, true) || !GetShowMarker(obj)) return;
// we need an index list with at least 3 indices (to make at least one triangle)
auto indexListType = obj._properties.GetParameterType(IndexListHash);
if (indexListType._type == ImpliedTyping::TypeCat::Void || indexListType._arrayCount < 3)
return;
auto ibData = std::make_unique<unsigned[]>(indexListType._arrayCount);
bool success = obj._properties.GetParameter(
IndexListHash, ibData.get(),
ImpliedTyping::TypeDesc(ImpliedTyping::TypeCat::UInt32, indexListType._arrayCount));
if (!success) return;
const auto& chld = obj._children;
if (!chld.size()) return;
auto vbData = std::make_unique<Float3[]>(chld.size());
for (size_t c=0; c<chld.size(); ++c) {
const auto* e = objs.GetEntity(obj._doc, chld[c]);
if (e) {
vbData[c] = ExtractTranslation(GetTransform(*e));
} else {
vbData[c] = Zero<Float3>();
}
}
const auto& cbLayout = ::Assets::GetAssetDep<Techniques::PredefinedCBLayout>(
"game/xleres/BasicMaterialConstants.txt");
shader.Apply(devContext, parserContext,
{
MakeLocalTransformPacket(
GetTransform(obj),
ExtractTranslation(parserContext.GetProjectionDesc()._cameraToWorld)),
cbLayout.BuildCBDataAsPkt(ParameterBox())
});
devContext.Bind(Techniques::CommonResources()._blendAdditive);
devContext.Bind(Techniques::CommonResources()._dssReadOnly);
devContext.Bind(Techniques::CommonResources()._cullDisable);
Metal::VertexBuffer vb(vbData.get(), sizeof(Float3)*chld.size());
Metal::IndexBuffer ib(ibData.get(), sizeof(unsigned)*indexListType._arrayCount);
devContext.Bind(MakeResourceList(vb), sizeof(Float3), 0);
devContext.Bind(ib, Metal::NativeFormat::R32_UINT);
devContext.Bind(Metal::Topology::TriangleList);
devContext.DrawIndexed(indexListType._arrayCount);
}
static void DrawObject(
Metal::DeviceContext& devContext,
ParsingContext& parserContext,
const VisGeoBox& visBox,
const ResolvedShader& shader, const RetainedEntity& obj)
{
if (!obj._properties.GetParameter(Parameters::Visible, true) || !GetShowMarker(obj)) return;
const auto& cbLayout = ::Assets::GetAssetDep<Techniques::PredefinedCBLayout>(
"game/xleres/BasicMaterialConstants.txt");
shader.Apply(devContext, parserContext,
{
MakeLocalTransformPacket(
GetTransform(obj),
ExtractTranslation(parserContext.GetProjectionDesc()._cameraToWorld)),
cbLayout.BuildCBDataAsPkt(ParameterBox())
});
devContext.Bind(MakeResourceList(visBox._cubeVB), visBox._cubeVBStride, 0);
devContext.Draw(visBox._cubeVBCount);
}