openmw-tes3coop/components/resource/resourcemanager.hpp
2016-02-07 19:05:55 +01:00

41 lines
1.1 KiB
C++

#ifndef OPENMW_COMPONENTS_RESOURCE_MANAGER_H
#define OPENMW_COMPONENTS_RESOURCE_MANAGER_H
#include <osg/ref_ptr>
namespace VFS
{
class Manager;
}
namespace Resource
{
class ObjectCache;
/// @brief Base class for managers that require a virtual file system and object cache.
/// @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.
class ResourceManager
{
public:
ResourceManager(const VFS::Manager* vfs);
/// Clear cache entries that have not been referenced for longer than expiryDelay.
virtual void updateCache(double referenceTime);
/// Clear all cache entries regardless of having external references.
virtual void clearCache();
/// How long to keep objects in cache after no longer being referenced.
void setExpiryDelay (double expiryDelay);
const VFS::Manager* getVFS() const;
protected:
const VFS::Manager* mVFS;
osg::ref_ptr<Resource::ObjectCache> mCache;
double mExpiryDelay;
};
}
#endif