65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
// Copyright (C) 2014 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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#pragma once
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#ifndef NAZARA_RESOURCE_HPP
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#define NAZARA_RESOURCE_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <atomic>
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#include <unordered_map>
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#if NAZARA_CORE_THREADSAFE && NAZARA_THREADSAFETY_RESOURCE
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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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class NzResourceListener;
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class NAZARA_API NzResource
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{
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public:
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NzResource(bool persistent = true);
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NzResource(const NzResource& resource) = delete;
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NzResource(NzResource&& resource) = delete;
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virtual ~NzResource();
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void AddResourceListener(NzResourceListener* listener, int index = 0) const;
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void AddResourceReference() const;
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unsigned int GetResourceReferenceCount() const;
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bool IsPersistent() const;
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void RemoveResourceListener(NzResourceListener* listener) const;
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bool RemoveResourceReference() const;
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bool SetPersistent(bool persistent = true, bool checkReferenceCount = false);
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NzResource& operator=(const NzResource& resource) = delete;
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NzResource& operator=(NzResource&& resource) = delete;
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protected:
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void NotifyCreated();
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void NotifyDestroy();
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void NotifyModified(unsigned int code);
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private:
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using ResourceListenerMap = std::unordered_map<NzResourceListener*, std::pair<int, unsigned int>>;
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void RemoveResourceListenerIterator(ResourceListenerMap::iterator iterator) const;
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NazaraMutexAttrib(m_mutex, mutable)
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// Je fais précéder le nom par 'resource' pour éviter les éventuels conflits de noms
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mutable ResourceListenerMap m_resourceListeners;
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std::atomic_bool m_resourcePersistent;
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mutable std::atomic_uint m_resourceReferenceCount;
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bool m_resourceListenersLocked;
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};
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#endif // NAZARA_RESOURCE_HPP
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