初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/ThirdParty/include/CesiumGltfReader/GltfSharedAssetSystem.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include <CesiumAsync/SharedAssetDepot.h>
+#include <CesiumGltfReader/NetworkImageAssetDescriptor.h>
+#include <CesiumGltfReader/NetworkSchemaAssetDescriptor.h>
+
+namespace CesiumGltf {
+struct Schema;
+}
+
+namespace CesiumGltfReader {
+
+/**
+ * @brief Contains assets that are potentially shared across multiple glTF
+ * models.
+ */
+class GltfSharedAssetSystem
+    : public CesiumUtility::ReferenceCountedThreadSafe<GltfSharedAssetSystem> {
+public:
+  /**
+   * @brief Obtains an `IntrusivePointer` to the `GltfSharedAssetSystem`
+   * singleton.
+   */
+  static CesiumUtility::IntrusivePointer<GltfSharedAssetSystem> getDefault();
+
+  virtual ~GltfSharedAssetSystem() = default;
+
+  /**
+   * @brief A depot containing images loaded from glTFs.
+   *
+   * See \ref CesiumGltf::ImageAsset "ImageAsset" and \ref
+   * NetworkImageAssetDescriptor.
+   */
+  using ImageDepot = CesiumAsync::
+      SharedAssetDepot<CesiumGltf::ImageAsset, NetworkImageAssetDescriptor>;
+
+  /**
+   * @brief The asset depot for images.
+   */
+  CesiumUtility::IntrusivePointer<ImageDepot> pImage;
+
+  /**
+   * @brief A depot containing schemas loaded from URIs contained in the glTF
+   * EXT_structural_metadata extension.
+   *
+   * See \ref CesiumGltf::Schema "Schema" and \ref NetworkSchemaAssetDescriptor.
+   */
+  using SchemaDepot = CesiumAsync::
+      SharedAssetDepot<CesiumGltf::Schema, NetworkSchemaAssetDescriptor>;
+
+  /**
+   * @brief The asset depot for schemas.
+   */
+  CesiumUtility::IntrusivePointer<SchemaDepot> pExternalMetadataSchema;
+};
+
+} // namespace CesiumGltfReader