加载注册表中的材质资源

voidFEditorModeTestEdModeToolkit::InitListViewMaterialData() // 初始化材质列表

{

       if (MaterialListviewDataSource.Num() > 0)

       {

              return;

       }

       // 搜索指定的材质目录

       FString searchPath = FPaths::GameContentDir() / MATERIAL_PATH;

       FString packName = FPackageName::PackageFromPath(*searchPath);

       FAssetRegistryModule& AssetRegistryModule = FModuleManager::LoadModuleChecked<FAssetRegistryModule>(TEXT("AssetRegistry"));

       IAssetRegistry& assetRegistry = AssetRegistryModule.Get();

       FARFilter Filter;

       Filter.PackagePaths.Add(*packName);

       Filter.bRecursivePaths = true;

       TArray<FAssetData>   assetDataArrs;

       int i = 0;

       bool bRet = assetRegistry.GetAssets(Filter, assetDataArrs);

       if (bRet)

       {

              for (FAssetData data : assetDataArrs)

              {

                     if (data.GetClass() == UMaterial::StaticClass())

                     {

                           FTemplateItem templateItem;

                           //texture name

                           templateItem.textContent = FString::FromInt(++i);

                           //image

                           FSlateBrush* brush = ImageHelper::LoadImageFromDisk(FString("C:/Users/Guju/Pictures/lovewallpaper/96058-106.jpg"), FVector2D(imageWith, imageHeight));

                           TSharedPtr<FSlateBrush> brushPtr(brush);

                           templateItem._bkimageBrush = brushPtr;

                           templateItem.AssetData = data;

                           //TSharedPtr<FTemplateItem> ptrItem = MakeShareable(new FTemplateItem(data, TOptional<int32>()));

                           TSharedPtr<FTemplateItem> ptrItem = MakeShared<FTemplateItem>(templateItem);

                           MaterialListviewDataSource.Add(ptrItem);

                     }

              }

       }

}