“初始化俯视角工程，带puerts，未编过”

Plugins/Puerts/Source/JsEnv/Public/ObjectRetainer.h

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+/*
+ * Tencent is pleased to support the open source community by making Puerts available.
+ * Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.
+ * Puerts is licensed under the BSD 3-Clause License, except for the third-party components listed in the file 'LICENSE' which may
+ * be subject to their corresponding license terms. This file is subject to the terms and conditions defined in file 'LICENSE',
+ * which is part of this source code package.
+ */
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "UObject/GCObject.h"
+#include "PuertsNamespaceDef.h"
+
+#ifdef THREAD_SAFE
+#if defined(WITH_QJS_NAMESPACE_SUFFIX)
+namespace v8_qjs
+#else
+namespace v8
+#endif
+{
+class Isolate;
+}
+#endif
+
+namespace PUERTS_NAMESPACE
+{
+class JSENV_API FObjectRetainer : public FGCObject
+{
+public:
+    void Retain(UObject* Object);
+
+    void Release(UObject* Object);
+
+    void Clear();
+
+    virtual void AddReferencedObjects(FReferenceCollector& Collector) override;
+
+    virtual ~FObjectRetainer() override;
+
+    FORCEINLINE void SetName(FString InName)
+    {
+        Name = InName;
+    }
+
+    virtual FString GetReferencerName() const override;
+
+#ifdef THREAD_SAFE
+    FCriticalSection RetainedObjectsCritical;
+#endif
+
+private:
+    TSet<UObject*> RetainedObjects;
+
+    FString Name = TEXT("FObjectRetainer");
+};
+}    // namespace PUERTS_NAMESPACE