273 lines
8.9 KiB
C++
Executable File
273 lines
8.9 KiB
C++
Executable File
/*
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* Copyright (C) 2008-2010 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TRINITY_OBJECTACCESSOR_H
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#define TRINITY_OBJECTACCESSOR_H
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#include "Define.h"
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#include <ace/Singleton.h>
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#include <ace/Thread_Mutex.h>
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#include "UnorderedMap.h"
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#include "UpdateData.h"
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#include "GridDefines.h"
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#include "Object.h"
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#include "Player.h"
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#include <set>
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class Creature;
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class Corpse;
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class Unit;
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class GameObject;
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class DynamicObject;
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class WorldObject;
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class Vehicle;
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class Map;
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template <class T>
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class HashMapHolder
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{
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public:
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typedef UNORDERED_MAP<uint64, T*> MapType;
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typedef ACE_Thread_Mutex LockType;
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static void Insert(T* o)
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{
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ACE_GUARD(LockType, Guard, i_lock);
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m_objectMap[o->GetGUID()] = o;
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}
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static void Remove(T* o)
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{
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ACE_GUARD(LockType, Guard, i_lock);
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m_objectMap.erase(o->GetGUID());
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}
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static T* Find(uint64 guid)
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{
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ACE_GUARD_RETURN(LockType, Guard, i_lock, NULL);
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typename MapType::iterator itr = m_objectMap.find(guid);
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return (itr != m_objectMap.end()) ? itr->second : NULL;
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}
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static MapType& GetContainer() { return m_objectMap; }
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static LockType* GetLock() { return &i_lock; }
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private:
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//Non instanceable only static
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HashMapHolder() {}
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static LockType i_lock;
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static MapType m_objectMap;
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};
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class ObjectAccessor
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{
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friend class ACE_Singleton<ObjectAccessor, ACE_Thread_Mutex>;
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ObjectAccessor();
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~ObjectAccessor();
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ObjectAccessor(const ObjectAccessor&);
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ObjectAccessor& operator=(const ObjectAccessor&);
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public:
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typedef UNORDERED_MAP<uint64, Corpse*> Player2CorpsesMapType;
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typedef UNORDERED_MAP<Player*, UpdateData>::value_type UpdateDataValueType;
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// TODO: override these template functions for each holder type and add assertions
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template<class T> static T* GetObjectInOrOutOfWorld(uint64 guid, T* /*typeSpecifier*/)
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{
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return HashMapHolder<T>::Find(guid);
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}
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static Unit* GetObjectInOrOutOfWorld(uint64 guid, Unit* /*typeSpecifier*/)
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{
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if (IS_PLAYER_GUID(guid))
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return (Unit*)GetObjectInOrOutOfWorld(guid, (Player*)NULL);
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if (IS_PET_GUID(guid))
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return (Unit*)GetObjectInOrOutOfWorld(guid, (Pet*)NULL);
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return (Unit*)GetObjectInOrOutOfWorld(guid, (Creature*)NULL);
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}
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// returns object if is in world
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template<class T> static T* GetObjectInWorld(uint64 guid, T* /*typeSpecifier*/)
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{
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return HashMapHolder<T>::Find(guid);
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}
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// Player may be not in world while in ObjectAccessor
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static Player* GetObjectInWorld(uint64 guid, Player* /*typeSpecifier*/)
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{
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Player * player = HashMapHolder<Player>::Find(guid);
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if (player && player->IsInWorld())
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return player;
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return NULL;
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}
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static Unit* GetObjectInWorld(uint64 guid, Unit* /*typeSpecifier*/)
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{
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if (IS_PLAYER_GUID(guid))
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return (Unit*)GetObjectInWorld(guid, (Player*)NULL);
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if (IS_PET_GUID(guid))
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return (Unit*)GetObjectInWorld(guid, (Pet*)NULL);
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return (Unit*)GetObjectInWorld(guid, (Creature*)NULL);
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}
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// returns object if is in map
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template<class T> static T* GetObjectInMap(uint64 guid, Map * map, T* /*typeSpecifier*/)
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{
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ASSERT(map);
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if (T * obj = GetObjectInWorld(guid, (T*)NULL))
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if (obj->GetMap() == map)
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return obj;
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return NULL;
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}
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template<class T> static T* GetObjectInWorld(uint32 mapid, float x, float y, uint64 guid, T* /*fake*/)
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{
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T* obj = HashMapHolder<T>::Find(guid);
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if (!obj || obj->GetMapId() != mapid)
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return NULL;
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CellPair p = Trinity::ComputeCellPair(x, y);
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if (p.x_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP || p.y_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP)
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{
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sLog.outError("ObjectAccessor::GetObjectInWorld: invalid coordinates supplied X:%f Y:%f grid cell [%u:%u]", x, y, p.x_coord, p.y_coord);
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return NULL;
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}
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CellPair q = Trinity::ComputeCellPair(obj->GetPositionX(), obj->GetPositionY());
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if (q.x_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP || q.y_coord >= TOTAL_NUMBER_OF_CELLS_PER_MAP)
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{
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sLog.outError("ObjectAccessor::GetObjecInWorld: object (GUID: %u TypeId: %u) has invalid coordinates X:%f Y:%f grid cell [%u:%u]", obj->GetGUIDLow(), obj->GetTypeId(), obj->GetPositionX(), obj->GetPositionY(), q.x_coord, q.y_coord);
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return NULL;
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}
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int32 dx = int32(p.x_coord) - int32(q.x_coord);
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int32 dy = int32(p.y_coord) - int32(q.y_coord);
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if (dx > -2 && dx < 2 && dy > -2 && dy < 2)
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return obj;
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else
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return NULL;
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}
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// these functions return objects only if in map of specified object
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static WorldObject* GetWorldObject(WorldObject const&, uint64);
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static Object* GetObjectByTypeMask(WorldObject const&, uint64, uint32 typemask);
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static Corpse* GetCorpse(WorldObject const& u, uint64 guid);
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static GameObject* GetGameObject(WorldObject const& u, uint64 guid);
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static DynamicObject* GetDynamicObject(WorldObject const& u, uint64 guid);
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static Unit* GetUnit(WorldObject const&, uint64 guid);
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static Creature* GetCreature(WorldObject const& u, uint64 guid);
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static Pet* GetPet(WorldObject const&, uint64 guid);
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static Player* GetPlayer(WorldObject const&, uint64 guid);
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static Creature* GetCreatureOrPetOrVehicle(WorldObject const&, uint64);
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// these functions return objects if found in whole world
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// ACCESS LIKE THAT IS NOT THREAD SAFE
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static Pet * FindPet(uint64);
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static Player* FindPlayer(uint64);
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static Unit* FindUnit(uint64);
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Player* FindPlayerByName(const char* name);
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// when using this, you must use the hashmapholder's lock
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HashMapHolder<Player>::MapType& GetPlayers()
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{
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return HashMapHolder<Player>::GetContainer();
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}
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// when using this, you must use the hashmapholder's lock
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HashMapHolder<Creature>::MapType& GetCreatures()
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{
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return HashMapHolder<Creature>::GetContainer();
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}
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// when using this, you must use the hashmapholder's lock
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HashMapHolder<GameObject>::MapType& GetGameObjects()
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{
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return HashMapHolder<GameObject>::GetContainer();
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}
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template<class T> void AddObject(T* object)
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{
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HashMapHolder<T>::Insert(object);
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}
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template<class T> void RemoveObject(T* object)
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{
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HashMapHolder<T>::Remove(object);
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}
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void RemoveObject(Player* pl)
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{
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HashMapHolder<Player>::Remove(pl);
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RemoveUpdateObject((Object*)pl);
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}
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void SaveAllPlayers();
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void AddUpdateObject(Object* obj)
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{
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ACE_GUARD(LockType, Guard, i_updateGuard);
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i_objects.insert(obj);
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}
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void RemoveUpdateObject(Object* obj)
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{
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ACE_GUARD(LockType, Guard, i_updateGuard);
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i_objects.erase(obj);
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}
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void Update(uint32 diff);
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Corpse* GetCorpseForPlayerGUID(uint64 guid);
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void RemoveCorpse(Corpse* corpse);
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void AddCorpse(Corpse* corpse);
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void AddCorpsesToGrid(GridPair const& gridpair, GridType& grid, Map* map);
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Corpse* ConvertCorpseForPlayer(uint64 player_guid, bool insignia = false);
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void RemoveOldCorpses();
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typedef ACE_Thread_Mutex LockType;
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private:
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Player2CorpsesMapType i_player2corpse;
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static void _buildChangeObjectForPlayer(WorldObject*, UpdateDataMapType&);
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static void _buildPacket(Player*, Object*, UpdateDataMapType&);
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void _update();
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std::set<Object*> i_objects;
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LockType i_updateGuard;
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LockType i_corpseGuard;
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};
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#define sObjectAccessor (*ACE_Singleton<ObjectAccessor, ACE_Thread_Mutex>::instance())
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#endif
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