初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/CesiumRuntime/Private/CesiumPropertyArray.cpp

@@ -0,0 +1,33 @@
+// Copyright 2020-2024 CesiumGS, Inc. and Contributors
+
+#include "CesiumPropertyArray.h"
+#include <CesiumGltf/PropertyTypeTraits.h>
+
+FCesiumPropertyArray::FCesiumPropertyArray(FCesiumPropertyArray&& rhs) =
+    default;
+
+FCesiumPropertyArray&
+FCesiumPropertyArray::operator=(FCesiumPropertyArray&& rhs) = default;
+
+FCesiumPropertyArray::FCesiumPropertyArray(const FCesiumPropertyArray& rhs)
+    : _value(), _elementType(rhs._elementType), _storage(rhs._storage) {
+  swl::visit(
+      [this](const auto& value) {
+        if constexpr (CesiumGltf::IsMetadataArray<decltype(value)>::value) {
+          if (!this->_storage.empty()) {
+            this->_value = decltype(value)(this->_storage);
+          } else {
+            this->_value = value;
+          }
+        } else {
+          this->_value = value;
+        }
+      },
+      rhs._value);
+}
+
+FCesiumPropertyArray&
+FCesiumPropertyArray::operator=(const FCesiumPropertyArray& rhs) {
+  *this = FCesiumPropertyArray(rhs);
+  return *this;
+}