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44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
9 years ago
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#ifndef OPENMW_COMPONENTS_RESOURCE_MANAGER_H
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#define OPENMW_COMPONENTS_RESOURCE_MANAGER_H
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#include <osg/ref_ptr>
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namespace VFS
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{
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class Manager;
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}
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namespace osgDB
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{
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class ObjectCache;
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}
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namespace Resource
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{
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/// @brief Base class for managers that require a virtual file system and object cache.
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/// @par This base class implements clearing of the cache, but populating it and what it's used for is up to the individual sub classes.
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class ResourceManager
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{
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public:
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/// @param expiryDelay how long to keep objects in cache after no longer being referenced.
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ResourceManager(const VFS::Manager* vfs, const double expiryDelay = 300.0);
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/// Clear cache entries that have not been referenced for longer than expiryDelay.
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virtual void updateCache(double referenceTime);
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/// Clear all cache entries regardless of having external references.
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virtual void clearCache();
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const VFS::Manager* getVFS() const;
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protected:
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const VFS::Manager* mVFS;
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osg::ref_ptr<osgDB::ObjectCache> mCache;
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double mExpiryDelay;
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};
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}
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#endif
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