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/*
* Copyright (C) 2008-2011 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "ObjectGridLoader.h"
#include "ObjectAccessor.h"
#include "ObjectMgr.h"
#include "Creature.h"
#include "Vehicle.h"
#include "GameObject.h"
#include "DynamicObject.h"
#include "Corpse.h"
#include "World.h"
#include "CellImpl.h"
#include "CreatureAI.h"
void ObjectGridEvacuator::Visit(CreatureMapType &m)
{
// creature in unloading grid can have respawn point in another grid
// if it will be unloaded then it will not respawn in original grid until unload/load original grid
// move to respawn point to prevent this case. For player view in respawn grid this will be normal respawn.
for (CreatureMapType::iterator iter = m.begin(); iter != m.end();)
{
Creature* c = iter->getSource();
++iter;
ASSERT(!c->isPet() && "ObjectGridRespawnMover must not be called for pets");
c->GetMap()->CreatureRespawnRelocation(c, true);
}
}
// for loading world object at grid loading (Corpses)
class ObjectWorldLoader
{
public:
explicit ObjectWorldLoader(ObjectGridLoader& gloader)
: i_cell(gloader.i_cell), i_grid(gloader.i_grid), i_map(gloader.i_map), i_corpses (0)
{}
void Visit(CorpseMapType &m);
template<class T> void Visit(GridRefManager<T>&) { }
private:
Cell i_cell;
NGridType &i_grid;
Map* i_map;
public:
uint32 i_corpses;
};
template<class T> void ObjectGridLoader::SetObjectCell(T* /*obj*/, CellCoord const& /*cellCoord*/)
{
}
template<> void ObjectGridLoader::SetObjectCell(Creature* obj, CellCoord const& cellCoord)
{
Cell cell(cellCoord);
obj->SetCurrentCell(cell);
}
template <class T>
void AddObjectHelper(CellCoord &cell, GridRefManager<T> &m, uint32 &count, Map* map, T *obj)
{
obj->GetGridRef().link(&m, obj);
ObjectGridLoader::SetObjectCell(obj, cell);
obj->AddToWorld();
if (obj->isActiveObject())
map->AddToActive(obj);
++count;
}
template <class T>
void LoadHelper(CellGuidSet const& guid_set, CellCoord &cell, GridRefManager<T> &m, uint32 &count, Map* map)
{
for (CellGuidSet::const_iterator i_guid = guid_set.begin(); i_guid != guid_set.end(); ++i_guid)
{
T* obj = new T;
uint32 guid = *i_guid;
//sLog->outString("DEBUG: LoadHelper from table: %s for (guid: %u) Loading", table, guid);
if (!obj->LoadFromDB(guid, map))
{
delete obj;
continue;
}
AddObjectHelper(cell, m, count, map, obj);
}
}
void LoadHelper(CellCorpseSet const& cell_corpses, CellCoord &cell, CorpseMapType &m, uint32 &count, Map* map)
{
if (cell_corpses.empty())
return;
for (CellCorpseSet::const_iterator itr = cell_corpses.begin(); itr != cell_corpses.end(); ++itr)
{
if (itr->second != map->GetInstanceId())
continue;
uint32 player_guid = itr->first;
Corpse* obj = sObjectAccessor->GetCorpseForPlayerGUID(player_guid);
if (!obj)
continue;
// TODO: this is a hack
// corpse's map should be reset when the map is unloaded
// but it may still exist when the grid is unloaded but map is not
// in that case map == currMap
obj->SetMap(map);
AddObjectHelper(cell, m, count, map, obj);
}
}
void ObjectGridLoader::Visit(GameObjectMapType &m)
{
uint32 x = (i_cell.GridX()*MAX_NUMBER_OF_CELLS) + i_cell.CellX();
uint32 y = (i_cell.GridY()*MAX_NUMBER_OF_CELLS) + i_cell.CellY();
CellCoord cellCoord(x, y);
uint32 cell_id = (cellCoord.y_coord*TOTAL_NUMBER_OF_CELLS_PER_MAP) + cellCoord.x_coord;
CellObjectGuids const& cell_guids = sObjectMgr->GetCellObjectGuids(i_map->GetId(), i_map->GetSpawnMode(), cell_id);
LoadHelper(cell_guids.gameobjects, cellCoord, m, i_gameObjects, i_map);
}
void
ObjectGridLoader::Visit(CreatureMapType &m)
{
uint32 x = (i_cell.GridX()*MAX_NUMBER_OF_CELLS) + i_cell.CellX();
uint32 y = (i_cell.GridY()*MAX_NUMBER_OF_CELLS) + i_cell.CellY();
CellCoord cellCoord(x, y);
uint32 cell_id = (cellCoord.y_coord*TOTAL_NUMBER_OF_CELLS_PER_MAP) + cellCoord.x_coord;
CellObjectGuids const& cell_guids = sObjectMgr->GetCellObjectGuids(i_map->GetId(), i_map->GetSpawnMode(), cell_id);
LoadHelper(cell_guids.creatures, cellCoord, m, i_creatures, i_map);
}
void ObjectWorldLoader::Visit(CorpseMapType &m)
{
uint32 x = (i_cell.GridX()*MAX_NUMBER_OF_CELLS) + i_cell.CellX();
uint32 y = (i_cell.GridY()*MAX_NUMBER_OF_CELLS) + i_cell.CellY();
CellCoord cellCoord(x, y);
uint32 cell_id = (cellCoord.y_coord*TOTAL_NUMBER_OF_CELLS_PER_MAP) + cellCoord.x_coord;
// corpses are always added to spawn mode 0 and they are spawned by their instance id
CellObjectGuids const& cell_guids = sObjectMgr->GetCellObjectGuids(i_map->GetId(), 0, cell_id);
LoadHelper(cell_guids.corpses, cellCoord, m, i_corpses, i_map);
}
void ObjectGridLoader::LoadN(void)
{
i_gameObjects = 0; i_creatures = 0; i_corpses = 0;
i_cell.data.Part.cell_y = 0;
for (unsigned int x=0; x < MAX_NUMBER_OF_CELLS; ++x)
{
i_cell.data.Part.cell_x = x;
for (unsigned int y=0; y < MAX_NUMBER_OF_CELLS; ++y)
{
i_cell.data.Part.cell_y = y;
//Load creatures and game objects
{
TypeContainerVisitor<ObjectGridLoader, GridTypeMapContainer> visitor(*this);
i_grid.VisitGrid(x, y, visitor);
}
//Load corpses (not bones)
{
ObjectWorldLoader worker(*this);
TypeContainerVisitor<ObjectWorldLoader, WorldTypeMapContainer> visitor(worker);
i_grid.VisitGrid(x, y, visitor);
i_corpses += worker.i_corpses;
}
}
}
sLog->outDebug(LOG_FILTER_MAPS, "%u GameObjects, %u Creatures, and %u Corpses/Bones loaded for grid %u on map %u", i_gameObjects, i_creatures, i_corpses, i_grid.GetGridId(), i_map->GetId());
}
template<class T>
void ObjectGridUnloader::Visit(GridRefManager<T> &m)
{
while (!m.isEmpty())
{
T *obj = m.getFirst()->getSource();
// if option set then object already saved at this moment
if (!sWorld->getBoolConfig(CONFIG_SAVE_RESPAWN_TIME_IMMEDIATELY))
obj->SaveRespawnTime();
///- object will get delinked from the manager when deleted
delete obj;
}
}
void ObjectGridStoper::Visit(CreatureMapType &m)
{
// stop any fights at grid de-activation and remove dynobjects created at cast by creatures
for (CreatureMapType::iterator iter=m.begin(); iter != m.end(); ++iter)
{
iter->getSource()->RemoveAllDynObjects();
if (iter->getSource()->isInCombat())
{
iter->getSource()->CombatStop();
iter->getSource()->DeleteThreatList();
iter->getSource()->AI()->EnterEvadeMode();
}
}
}
void ObjectGridCleaner::Visit(CreatureMapType &m)
{
for (CreatureMapType::iterator iter=m.begin(); iter != m.end(); ++iter)
iter->getSource()->CleanupsBeforeDelete();
}
template<class T>
void ObjectGridCleaner::Visit(GridRefManager<T> &m)
{
for (typename GridRefManager<T>::iterator iter = m.begin(); iter != m.end(); ++iter)
iter->getSource()->RemoveFromWorld();
}
template void ObjectGridUnloader::Visit(CreatureMapType &);
template void ObjectGridUnloader::Visit(GameObjectMapType &);
template void ObjectGridUnloader::Visit(DynamicObjectMapType &);
template void ObjectGridUnloader::Visit(CorpseMapType &);
template void ObjectGridCleaner::Visit<GameObject>(GameObjectMapType &);
template void ObjectGridCleaner::Visit<DynamicObject>(DynamicObjectMapType &);
template void ObjectGridCleaner::Visit<Corpse>(CorpseMapType &);
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