80 lines
1.5 KiB
C++
80 lines
1.5 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/RefCounted.hpp>
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#include <Nazara/Core/Config.hpp>
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#include <Nazara/Core/Error.hpp>
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#if NAZARA_CORE_THREADSAFE && NAZARA_THREADSAFETY_REFCOUNTED
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#include <Nazara/Core/ThreadSafety.hpp>
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#else
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#include <Nazara/Core/ThreadSafetyOff.hpp>
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#endif
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#include <Nazara/Core/Debug.hpp>
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NzRefCounted::NzRefCounted(bool persistent) :
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m_persistent(persistent),
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m_referenceCount(0)
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{
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}
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NzRefCounted::~NzRefCounted()
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{
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#if NAZARA_CORE_SAFE
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if (m_referenceCount > 0)
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NazaraWarning("Resource destroyed while still referenced " + NzString::Number(m_referenceCount) + " time(s)");
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#endif
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}
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void NzRefCounted::AddReference() const
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{
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m_referenceCount++;
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}
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unsigned int NzRefCounted::GetReferenceCount() const
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{
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return m_referenceCount;
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}
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bool NzRefCounted::IsPersistent() const
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{
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return m_persistent;
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}
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bool NzRefCounted::RemoveReference() const
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{
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#if NAZARA_CORE_SAFE
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if (m_referenceCount == 0)
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{
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NazaraError("Impossible to remove reference (Ref. counter is already 0)");
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return false;
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}
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#endif
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if (--m_referenceCount == 0 && !m_persistent)
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{
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delete this; // Suicide
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return true;
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}
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else
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return false;
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}
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bool NzRefCounted::SetPersistent(bool persistent, bool checkReferenceCount)
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{
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m_persistent = persistent;
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if (checkReferenceCount && !persistent && m_referenceCount == 0)
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{
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delete this;
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return true;
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}
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else
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return false;
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}
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