/// returns a new or existing Instance
/// in case of battlegrounds it will only return an existing map, those maps are created by bg-system
Map* MapInstanced::CreateInstance(Player * player)
{
Map* map;
uint32 NewInstanceId; // instanceId of the resulting map
if(IsBattleGroundOrArena())
{
// find existing bg map for player
NewInstanceId = player->GetBattleGroundId();
MANGOS_ASSERT(NewInstanceId);
map = _FindMap(NewInstanceId);
MANGOS_ASSERT(map);
}
else if (InstanceSave* pSave = player->GetBoundInstanceSaveForSelfOrGroup(GetId()))
{
// solo/perm/group
NewInstanceId = pSave->GetInstanceId();
map = _FindMap(NewInstanceId);
// it is possible that the save exists but the map doesn't
if (!map)
map = CreateInstanceMap(NewInstanceId, pSave->GetDifficulty(), pSave);
}
else
{
// if no instanceId via group members or instance saves is found
// the instance will be created for the first time
NewInstanceId = sObjectMgr.GenerateLowGuid(HIGHGUID_INSTANCE);
Difficulty diff = player->GetGroup() ? player->GetGroup()->GetDifficulty(IsRaid()) : player->GetDifficulty(IsRaid());
map = CreateInstanceMap(NewInstanceId, diff);
}
return map;
}
/*
- return the right instance for the object, based on its InstanceId
- create the instance if it's not created already
- the player is not actually added to the instance (only in InstanceMap::Add)
*/
Map* MapInstanced::CreateInstance(const uint32 mapId, Player * player)
{
if (GetId() != mapId || !player)
return NULL;
Map* map = NULL;
uint32 NewInstanceId = 0; // instanceId of the resulting map
if (IsBattleGroundOrArena())
{
// instantiate or find existing bg map for player
// the instance id is set in battlegroundid
NewInstanceId = player->GetBattleGroundId();
if (!NewInstanceId) return NULL;
map = _FindMap(NewInstanceId);
if (!map)
map = CreateBattleGround(NewInstanceId, player->GetBattleGround());
}
else
{
InstancePlayerBind *pBind = player->GetBoundInstance(GetId(), player->GetDifficulty());
InstanceSave *pSave = pBind ? pBind->save : NULL;
// the player's permanent player bind is taken into consideration first
// then the player's group bind and finally the solo bind.
if (!pBind || !pBind->perm)
{
InstanceGroupBind *groupBind = NULL;
Group *group = player->GetGroup();
// use the player's difficulty setting (it may not be the same as the group's)
if (group)
{
groupBind = group->GetBoundInstance(this);
if (groupBind)
pSave = groupBind->save;
}
}
if (pSave)
{
// solo/perm/group
NewInstanceId = pSave->GetInstanceId();
map = _FindMap(NewInstanceId);
// it is possible that the save exists but the map doesn't
if (!map)
map = CreateInstance(NewInstanceId, pSave, pSave->GetDifficulty());
}
else
{
// if no instanceId via group members or instance saves is found
// the instance will be created for the first time
NewInstanceId = MapManager::Instance().GenerateInstanceId();
map = CreateInstance(NewInstanceId, NULL, player->GetDifficulty());
}
}
return map;
}
/*
- return the right instance for the object, based on its InstanceId
- create the instance if it's not created already
- the player is not actually added to the instance (only in InstanceMap::Add)
*/
Map* MapInstanced::GetInstance(const WorldObject* obj)
{
uint32 CurInstanceId = obj->GetInstanceId();
Map* map = NULL;
if (obj->GetMapId() == GetId() && CurInstanceId != 0)
{
// the object wants to be put in a certain instance of this map
map = _FindMap(CurInstanceId);
if(!map)
{
// For players if the instanceId is set, it's assumed they are already in a map,
// hence the map must be loaded. For Creatures, GameObjects etc the map must exist
// prior to calling GetMap, they are not allowed to create maps for themselves.
sLog.outError("GetInstance: object %s(%d), typeId %d, in world %d, should be in map %d,%d but that's not loaded yet.", obj->GetName(), obj->GetGUIDLow(), obj->GetTypeId(), obj->IsInWorld(), obj->GetMapId(), obj->GetInstanceId());
assert(false);
}
return(map);
}
else
{
// instance not specified, find an existing or create a new one
if(obj->GetTypeId() != TYPEID_PLAYER)
{
sLog.outError("MAPINSTANCED: WorldObject '%u' (Entry: %u TypeID: %u) is in map %d,%d and requested base map instance of map %d, this must not happen", obj->GetGUIDLow(), obj->GetEntry(), obj->GetTypeId(), obj->GetMapId(), obj->GetInstanceId(), GetId());
assert(false);
return NULL;
}
else
{
uint32 NewInstanceId = 0; // instanceId of the resulting map
Player* player = (Player*)obj;
if(IsBattleGroundOrArena())
{
// instantiate or find existing bg map for player
// the instance id is set in battlegroundid
NewInstanceId = player->GetBattleGroundId();
if(!NewInstanceId)
{
if(player->GetSession()->PlayerLoading())
return NULL;
else
assert(NewInstanceId);
}
map = _FindMap(NewInstanceId);
if(!map)
{
map = CreateBattleGround(NewInstanceId);
((BattleGroundMap*)map)->SetBG(player->GetBattleGround());
}
if(!((BattleGroundMap*)map)->GetBG())
{
sLog.outError("The bg-class couldn't be assigned (very early) to the battlegroundmap, it's possible, that some db-spawned creatures are now not handled right this is related to battleground alterac valley (av) - please post bugreport, and add information how this bg was created (if you don't have information, report it also) Player: %s (%u) in map:%u requested map:%u", player->GetName(), player->GetGUIDLow(), player->GetMapId(), GetId());
if(player->GetBattleGround())
{
sLog.outError("somehow the battleground was found, but please report also - i end this bg now..");
((BattleGroundMap*)map)->SetBG(player->GetBattleGround());
player->GetBattleGround()->EndBattleGround(0); //to avoid the assert
}
//assert(false);
}
return map;
}
InstancePlayerBind *pBind = player->GetBoundInstance(GetId(), player->GetDifficulty());
InstanceSave *pSave = pBind ? pBind->save : NULL;
// the player's permanet player bind is taken into consideration first
// then the player's group bind and finally the solo bind.
if(!pBind || !pBind->perm)
{
InstanceGroupBind *groupBind = NULL;
Group *group = player->GetGroup();
// use the player's difficulty setting (it may not be the same as the group's)
if(group && (groupBind = group->GetBoundInstance(GetId(), player->GetDifficulty())))
pSave = groupBind->save;
}
if(pSave)
{
// solo/perm/group
NewInstanceId = pSave->GetInstanceId();
map = _FindMap(NewInstanceId);
// it is possible that the save exists but the map doesn't
if(!map)
map = CreateInstance(NewInstanceId, pSave, pSave->GetDifficulty());
return map;
}
else
{
// if no instanceId via group members or instance saves is found
// the instance will be created for the first time
NewInstanceId = MapManager::Instance().GenerateInstanceId();
return CreateInstance(NewInstanceId, NULL, player->GetDifficulty());
}
}
}
}
