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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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// Description : Reference counted base object.
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#ifndef CRYINCLUDE_EDITOR_UTIL_REFCOUNTBASE_H
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#define CRYINCLUDE_EDITOR_UTIL_REFCOUNTBASE_H
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#pragma once
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#include <Include/EditorCoreAPI.h>
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//! Derive from this class to get reference counting in your class.
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class EDITOR_CORE_API CRefCountBase
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{
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public:
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CRefCountBase() {}
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//! Add a new reference to this object.
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int AddRef()
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{
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m_nRefCount++;
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return m_nRefCount;
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}
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//! Release reference to this object.
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//! When the reference count reaches zero, the object is deleted.
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int Release()
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{
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int refs = --m_nRefCount;
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if (m_nRefCount == 0)
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{
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delete this;
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}
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else if (m_nRefCount < 0)
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{
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CryFatalError("Negative ref count");
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}
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return refs;
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}
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protected:
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virtual ~CRefCountBase() {}
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private:
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int m_nRefCount = 0;
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};
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#endif // CRYINCLUDE_EDITOR_UTIL_REFCOUNTBASE_H
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