初始提交: UE5.3项目基础框架

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

@@ -0,0 +1,108 @@
+// 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>
+#include <vector>
+
+namespace CesiumGltf {
+/**
+ * @brief Geometry to be rendered with the given material.
+ */
+struct CESIUMGLTF_API MeshPrimitive final
+    : public CesiumUtility::ExtensibleObject {
+  /**
+   * @brief The original name of this type.
+   */
+  static constexpr const char* TypeName = "MeshPrimitive";
+
+  /**
+   * @brief Known values for The topology type of primitives to render.
+   */
+  struct Mode {
+    /** @brief POINTS (`0`) */
+    static constexpr int32_t POINTS = 0;
+
+    /** @brief LINES (`1`) */
+    static constexpr int32_t LINES = 1;
+
+    /** @brief LINE_LOOP (`2`) */
+    static constexpr int32_t LINE_LOOP = 2;
+
+    /** @brief LINE_STRIP (`3`) */
+    static constexpr int32_t LINE_STRIP = 3;
+
+    /** @brief TRIANGLES (`4`) */
+    static constexpr int32_t TRIANGLES = 4;
+
+    /** @brief TRIANGLE_STRIP (`5`) */
+    static constexpr int32_t TRIANGLE_STRIP = 5;
+
+    /** @brief TRIANGLE_FAN (`6`) */
+    static constexpr int32_t TRIANGLE_FAN = 6;
+  };
+
+  /**
+   * @brief A plain JSON object, where each key corresponds to a mesh attribute
+   * semantic and each value is the index of the accessor containing attribute's
+   * data.
+   */
+  std::unordered_map<std::string, int32_t> attributes;
+
+  /**
+   * @brief The index of the accessor that contains the vertex indices.
+   *
+   * When this is undefined, the primitive defines non-indexed geometry.  When
+   * defined, the accessor **MUST** have `SCALAR` type and an unsigned integer
+   * component type.
+   */
+  int32_t indices = -1;
+
+  /**
+   * @brief The index of the material to apply to this primitive when rendering.
+   */
+  int32_t material = -1;
+
+  /**
+   * @brief The topology type of primitives to render.
+   *
+   * Known values are defined in {@link Mode}.
+   *
+   */
+  int32_t mode = Mode::TRIANGLES;
+
+  /**
+   * @brief An array of morph targets.
+   */
+  std::vector<std::unordered_map<std::string, int32_t>> targets;
+
+  /**
+   * @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(MeshPrimitive));
+    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));
+    }
+    accum += int64_t(
+        sizeof(std::unordered_map<std::string, int32_t>) *
+        this->targets.capacity());
+    return accum;
+  }
+};
+} // namespace CesiumGltf