Files
azerothcore-wotlk/src/tools/mesh_extractor/Cache.h
2019-01-16 15:59:02 +01:00

70 lines
1.5 KiB
C++

/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#ifndef CACHE_H
#define CACHE_H
#include <string>
#include <map>
#include "Define.h"
#include <ace/Guard_T.h>
#include <ace/Synch.h>
#include "WorldModelRoot.h"
#include "Model.h"
template<class K, class T>
class GenericCache
{
public:
GenericCache() {}
static const uint32 FlushLimit = 300; // We can't get too close to filling up all the memory, and we have to be wary of the maximum number of open streams.
void Insert(K key, T* val)
{
ACE_GUARD(ACE_Thread_Mutex, g, mutex);
if (_items.size() > FlushLimit)
Clear();
_items[key] = val;
}
T* Get(K key)
{
ACE_GUARD_RETURN(ACE_Thread_Mutex, g, mutex, NULL);
typename std::map<K, T*>::iterator itr = _items.find(key);
if (itr != _items.end())
return itr->second;
return NULL;
}
void Clear()
{
for (typename std::map<K, T*>::iterator itr = _items.begin(); itr != _items.end(); ++itr)
delete itr->second;
_items.clear();
}
private:
std::map<K, T*> _items;
ACE_Thread_Mutex mutex;
};
class CacheClass
{
public:
CacheClass() {}
GenericCache<std::string, Model> ModelCache;
GenericCache<std::string, WorldModelRoot> WorldModelCache;
void Clear()
{
ModelCache.Clear();
WorldModelCache.Clear();
}
};
extern CacheClass* Cache;
#endif