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57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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// Description : Reference counted base object.
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#ifndef CRYINCLUDE_EDITOR_UTIL_TREFCOUNTBASE_H
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#define CRYINCLUDE_EDITOR_UTIL_TREFCOUNTBASE_H
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#pragma once
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AZ_PUSH_DISABLE_DLL_EXPORT_BASECLASS_WARNING
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//////////////////////////////////////////////////////////////////////////
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//! Derive from this class to get reference counting for your class.
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//////////////////////////////////////////////////////////////////////////
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template <class ParentClass>
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class CRYEDIT_API TRefCountBase
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: public ParentClass
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{
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AZ_POP_DISABLE_DLL_EXPORT_BASECLASS_WARNING
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public:
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TRefCountBase() { m_nRefCount = 0; };
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//! Add new refrence to this object.
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unsigned long 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 refrence to this object.
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//! when reference count reaches zero, object is deleted.
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unsigned long 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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return refs;
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}
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protected:
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virtual ~TRefCountBase() {};
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private:
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int m_nRefCount;
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};
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#endif // CRYINCLUDE_EDITOR_UTIL_TREFCOUNTBASE_H
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