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/*
* Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
*
* Copyright (C) 2008 Trinity <http://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef TRINITY_OBJECTACCESSOR_H
#define TRINITY_OBJECTACCESSOR_H
#include "Platform/Define.h"
#include "Policies/Singleton.h"
#include "zthread/FastMutex.h"
#include "Utilities/UnorderedMap.h"
#include "Policies/ThreadingModel.h"
#include "ByteBuffer.h"
#include "UpdateData.h"
#include "GridDefines.h"
#include "Object.h"
#include "Player.h"
#include <set>
class Creature;
class Corpse;
class Unit;
class GameObject;
class DynamicObject;
class WorldObject;
class Map;
template <class T>
class HashMapHolder
{
public:
typedef UNORDERED_MAP< uint64, T* > MapType;
typedef ZThread::FastMutex LockType;
typedef Trinity::GeneralLock<LockType > Guard;
static void Insert(T* o) { m_objectMap[o->GetGUID()] = o; }
static void Remove(T* o)
{
Guard guard(i_lock);
typename MapType::iterator itr = m_objectMap.find(o->GetGUID());
if (itr != m_objectMap.end())
m_objectMap.erase(itr);
}
static T* Find(uint64 guid)
{
typename MapType::iterator itr = m_objectMap.find(guid);
return (itr != m_objectMap.end()) ? itr->second : NULL;
}
static MapType& GetContainer() { return m_objectMap; }
static LockType* GetLock() { return &i_lock; }
private:
//Non instanceable only static
HashMapHolder() {}
static LockType i_lock;
static MapType m_objectMap;
};
class TRINITY_DLL_DECL ObjectAccessor : public Trinity::Singleton<ObjectAccessor, Trinity::ClassLevelLockable<ObjectAccessor, ZThread::FastMutex> >
{
friend class Trinity::OperatorNew<ObjectAccessor>;
ObjectAccessor();
~ObjectAccessor();
ObjectAccessor(const ObjectAccessor &);
ObjectAccessor& operator=(const ObjectAccessor &);
public:
typedef UNORDERED_MAP<uint64, Corpse* > Player2CorpsesMapType;
typedef UNORDERED_MAP<Player*, UpdateData>::value_type UpdateDataValueType;
template<class T> static T* GetObjectInWorld(uint64 guid, T* /*fake*/)
{
return HashMapHolder<T>::Find(guid);
}
static Unit* GetObjectInWorld(uint64 guid, Unit* /*fake*/)
{
if(!guid)
return NULL;
if (IS_PLAYER_GUID(guid))
return (Unit*)HashMapHolder<Player>::Find(guid);
if (Unit* u = (Unit*)HashMapHolder<Pet>::Find(guid))
return u;
return (Unit*)HashMapHolder<Creature>::Find(guid);
}
template<class T> static T* GetObjectInWorld(uint32 mapid, float x, float y, uint64 guid, T* /*fake*/)
{
T* obj = HashMapHolder<T>::Find(guid);
if(!obj || obj->GetMapId() != mapid) return NULL;
CellPair p = Trinity::ComputeCellPair(x,y);
if(p.x_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP || p.y_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP )
{
sLog.outError("ObjectAccessor::GetObjectInWorld: invalid coordinates supplied X:%f Y:%f grid cell [%u:%u]", x, y, p.x_coord, p.y_coord);
return NULL;
}
CellPair q = Trinity::ComputeCellPair(obj->GetPositionX(),obj->GetPositionY());
if(q.x_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP || q.y_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP )
{
sLog.outError("ObjectAccessor::GetObjecInWorld: object "I64FMTD" has invalid coordinates X:%f Y:%f grid cell [%u:%u]", obj->GetGUID(), obj->GetPositionX(), obj->GetPositionY(), q.x_coord, q.y_coord);
return NULL;
}
int32 dx = int32(p.x_coord) - int32(q.x_coord);
int32 dy = int32(p.y_coord) - int32(q.y_coord);
if (dx > -2 && dx < 2 && dy > -2 && dy < 2) return obj;
else return NULL;
}
static Object* GetObjectByTypeMask(Player const &, uint64, uint32 typemask);
static Creature* GetNPCIfCanInteractWith(Player const &player, uint64 guid, uint32 npcflagmask);
static Creature* GetCreature(WorldObject const &, uint64);
static Creature* GetCreatureOrPet(WorldObject const &, uint64);
static Unit* GetUnit(WorldObject const &, uint64);
static Pet* GetPet(Unit const &, uint64 guid) { return GetPet(guid); }
static Player* GetPlayer(Unit const &, uint64 guid) { return FindPlayer(guid); }
static GameObject* GetGameObject(WorldObject const &, uint64);
static DynamicObject* GetDynamicObject(Unit const &, uint64);
static Corpse* GetCorpse(WorldObject const &u, uint64 guid);
static Pet* GetPet(uint64 guid);
static Player* FindPlayer(uint64);
Player* FindPlayerByName(const char *name) ;
HashMapHolder<Player>::MapType& GetPlayers()
{
return HashMapHolder<Player>::GetContainer();
}
template<class T> void AddObject(T *object)
{
HashMapHolder<T>::Insert(object);
}
template<class T> void RemoveObject(T *object)
{
HashMapHolder<T>::Remove(object);
}
void RemoveObject(Player *pl)
{
HashMapHolder<Player>::Remove(pl);
Guard guard(i_updateGuard);
std::set<Object *>::iterator iter2 = std::find(i_objects.begin(), i_objects.end(), (Object *)pl);
if( iter2 != i_objects.end() )
i_objects.erase(iter2);
}
void SaveAllPlayers();
void AddUpdateObject(Object *obj);
void RemoveUpdateObject(Object *obj);
void Update(uint32 diff);
void UpdatePlayers(uint32 diff);
Corpse* GetCorpseForPlayerGUID(uint64 guid);
void RemoveCorpse(Corpse *corpse);
void AddCorpse(Corpse* corpse);
void AddCorpsesToGrid(GridPair const& gridpair,GridType& grid,Map* map);
Corpse* ConvertCorpseForPlayer(uint64 player_guid);
static void UpdateObject(Object* obj, Player* exceptPlayer);
static void _buildUpdateObject(Object* obj, UpdateDataMapType &);
static void UpdateObjectVisibility(WorldObject* obj);
//static void UpdateVisibilityForPlayer(Player* player);
private:
struct WorldObjectChangeAccumulator
{
UpdateDataMapType &i_updateDatas;
WorldObject &i_object;
std::set<uint64> plr_list;
WorldObjectChangeAccumulator(WorldObject &obj, UpdateDataMapType &d) : i_updateDatas(d), i_object(obj) {}
void Visit(PlayerMapType &);
void Visit(CreatureMapType &);
void Visit(DynamicObjectMapType &);
void BuildPacket(Player* plr);
template<class SKIP> void Visit(GridRefManager<SKIP> &) {}
};
friend struct WorldObjectChangeAccumulator;
Player2CorpsesMapType i_player2corpse;
typedef ZThread::FastMutex LockType;
typedef Trinity::GeneralLock<LockType > Guard;
static void _buildChangeObjectForPlayer(WorldObject *, UpdateDataMapType &);
static void _buildPacket(Player *, Object *, UpdateDataMapType &);
void _update(void);
std::set<Object *> i_objects;
LockType i_playerGuard;
LockType i_updateGuard;
LockType i_corpseGuard;
LockType i_petGuard;
};
#endif
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