初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/ThirdParty/include/Cesium3DTiles/Availability.h

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+// This file was generated by generate-classes.
+// DO NOT EDIT THIS FILE!
+#pragma once
+
+#include <Cesium3DTiles/Library.h>
+#include <CesiumUtility/ExtensibleObject.h>
+
+#include <cstdint>
+#include <optional>
+
+namespace Cesium3DTiles {
+/**
+ * @brief An object describing the availability of a set of elements.
+ */
+struct CESIUM3DTILES_API Availability final
+    : public CesiumUtility::ExtensibleObject {
+  /**
+   * @brief The original name of this type.
+   */
+  static constexpr const char* TypeName = "Availability";
+
+  /**
+   * @brief Known values for Integer indicating whether all of the elements are
+   * available (1) or all are unavailable (0).
+   */
+  struct Constant {
+    /** @brief UNAVAILABLE (`0`) */
+    static constexpr int32_t UNAVAILABLE = 0;
+
+    /** @brief AVAILABLE (`1`) */
+    static constexpr int32_t AVAILABLE = 1;
+  };
+
+  /**
+   * @brief Index of a buffer view that indicates whether each element is
+   * available. The bitstream conforms to the boolean array encoding described
+   * in the 3D Metadata specification. If an element is available, its bit is 1,
+   * and if it is unavailable, its bit is 0.
+   */
+  std::optional<int64_t> bitstream;
+
+  /**
+   * @brief A number indicating how many 1 bits exist in the availability
+   * bitstream.
+   */
+  std::optional<int64_t> availableCount;
+
+  /**
+   * @brief Integer indicating whether all of the elements are available (1) or
+   * all are unavailable (0).
+   *
+   * Known values are defined in {@link Constant}.
+   *
+   */
+  std::optional<int32_t> constant;
+
+  /**
+   * @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(Availability));
+    accum += CesiumUtility::ExtensibleObject::getSizeBytes() -
+             int64_t(sizeof(CesiumUtility::ExtensibleObject));
+
+    return accum;
+  }
+};
+} // namespace Cesium3DTiles