初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/ThirdParty/include/CesiumGltf/ExtensionKhrDracoMeshCompression.h

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+// This file was generated by generate-classes.
+// DO NOT EDIT THIS FILE!
+#pragma once
+
+#include <CesiumGltf/Library.h>
+#include <CesiumUtility/ExtensibleObject.h>
+
+#include <cstdint>
+#include <string>
+#include <unordered_map>
+
+namespace CesiumGltf {
+/**
+ * @brief KHR_draco_mesh_compression glTF Mesh Primitive Extension
+ */
+struct CESIUMGLTF_API ExtensionKhrDracoMeshCompression final
+    : public CesiumUtility::ExtensibleObject {
+  /**
+   * @brief The original name of this type.
+   */
+  static constexpr const char* TypeName = "ExtensionKhrDracoMeshCompression";
+  /** @brief The official name of the extension. This should be the same as its
+   * key in the `extensions` object. */
+  static constexpr const char* ExtensionName = "KHR_draco_mesh_compression";
+
+  /**
+   * @brief The index of the bufferView.
+   */
+  int32_t bufferView = -1;
+
+  /**
+   * @brief A dictionary object, where each key corresponds to an attribute and
+   * its unique attribute id stored in the compressed geometry.
+   */
+  std::unordered_map<std::string, int32_t> attributes;
+
+  /**
+   * @brief Calculates the size in bytes of this object, including the contents
+   * of all collections, pointers, and strings. This will NOT include the size
+   * of any extensions attached to the object. Calling this method may be slow
+   * as it requires traversing the object's entire structure.
+   */
+  int64_t getSizeBytes() const {
+    int64_t accum = 0;
+    accum += int64_t(sizeof(ExtensionKhrDracoMeshCompression));
+    accum += CesiumUtility::ExtensibleObject::getSizeBytes() -
+             int64_t(sizeof(CesiumUtility::ExtensibleObject));
+    accum += int64_t(
+        this->attributes.bucket_count() *
+        (sizeof(std::string) + sizeof(int32_t)));
+    for (const auto& [k, v] : this->attributes) {
+      accum += int64_t(k.capacity() * sizeof(char) - sizeof(std::string));
+      accum += int64_t(sizeof(int32_t));
+    }
+    return accum;
+  }
+};
+} // namespace CesiumGltf