73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
/* Copyright (c) <2003-2019> <Julio Jerez, Newton Game Dynamics>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef __DGREF_COUNTER__
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#define __DGREF_COUNTER__
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class dgRefCounter
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{
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public:
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dgRefCounter(void);
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int GetRef() const;
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int Release();
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void AddRef();
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protected:
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virtual ~dgRefCounter(void);
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private:
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int m_refCount;
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};
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inline dgRefCounter::dgRefCounter(void)
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{
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m_refCount = 1;
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}
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inline dgRefCounter::~dgRefCounter(void)
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{
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dgAssert (m_refCount <= 1);
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}
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inline int dgRefCounter::GetRef() const
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{
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return m_refCount;
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}
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inline int dgRefCounter::Release()
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{
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m_refCount --;
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if (!m_refCount) {
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delete this;
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return 0;
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}
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return m_refCount;
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}
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inline void dgRefCounter::AddRef()
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{
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m_refCount ++;
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}
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#endif
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