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#ifndef OPENMW_COMPONENTS_MULTIOBJECTCACHE_H
#define OPENMW_COMPONENTS_MULTIOBJECTCACHE_H
#include <map>
#include <mutex>
#include <osg/Referenced>
#include <osg/ref_ptr>
#include <components/vfs/pathutil.hpp>
#include "cachestats.hpp"
namespace osg
{
class Object;
class State;
}
namespace Resource
{
/// @brief Cache for "non reusable" objects.
class MultiObjectCache : public osg::Referenced
{
public:
void removeUnreferencedObjectsInCache();
/** Remove all objects from the cache. */
void clear();
void addEntryToObjectCache(VFS::Path::NormalizedView filename, osg::Object* object);
/** Take an Object from cache. Return nullptr if no object found. */
osg::ref_ptr<osg::Object> takeFromObjectCache(VFS::Path::NormalizedView fileName);
/** call releaseGLObjects on all objects attached to the object cache.*/
void releaseGLObjects(osg::State* state);
CacheStats getStats() const;
protected:
typedef std::multimap<VFS::Path::Normalized, osg::ref_ptr<osg::Object>, std::less<>> ObjectCacheMap;
ObjectCacheMap _objectCache;
mutable std::mutex _objectCacheMutex;
std::size_t mGet = 0;
std::size_t mHit = 0;
std::size_t mExpired = 0;
};
}
#endif
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