/*
- 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::CreateInstanceForPlayer(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 = sMapMgr->FindMap(mapId, newInstanceId);
if (!map)
{
if (Battleground* bg = player->GetBattleground())
map = CreateBattleground(newInstanceId, bg);
else
{
player->TeleportToBGEntryPoint();
return NULL;
}
}
}
else if (!IsGarrison())
{
InstancePlayerBind* pBind = player->GetBoundInstance(GetId(), player->GetDifficultyID(GetEntry()));
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 = FindInstanceMap(newInstanceId);
// it is possible that the save exists but the map doesn't
if (!map)
map = CreateInstance(newInstanceId, pSave, pSave->GetDifficultyID());
}
else
{
// if no instanceId via group members or instance saves is found
// the instance will be created for the first time
newInstanceId = sMapMgr->GenerateInstanceId();
Difficulty diff = player->GetGroup() ? player->GetGroup()->GetDifficultyID(GetEntry()) : player->GetDifficultyID(GetEntry());
//Seems it is now possible, but I do not know if it should be allowed
//ASSERT(!FindInstanceMap(NewInstanceId));
map = FindInstanceMap(newInstanceId);
if (!map)
map = CreateInstance(newInstanceId, NULL, diff);
}
}
else
{
newInstanceId = player->GetGUID().GetCounter();
map = FindInstanceMap(newInstanceId);
if (!map)
map = CreateGarrison(newInstanceId, player);
}
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::CreateInstanceForPlayer(const uint32 mapId, Player* player, uint32 loginInstanceId)
{
if (GetId() != mapId || !player)
return nullptr;
Map* map = nullptr;
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 nullptr;
map = sMapMgr->FindMap(mapId, newInstanceId);
if (!map)
{
if (Battleground* bg = player->GetBattleground())
map = CreateBattleground(newInstanceId, bg);
else
{
player->TeleportToBGEntryPoint();
return nullptr;
}
}
}
else if (!IsGarrison())
{
InstancePlayerBind* pBind = player->GetBoundInstance(GetId(), player->GetDifficultyID(GetEntry()));
InstanceSave* pSave = pBind ? pBind->save : nullptr;
// priority:
// 1. player's permanent bind
// 2. player's current instance id if this is at login
// 3. group's current bind
// 4. player's current bind
if (!pBind || !pBind->perm)
{
if (loginInstanceId) // if the player has a saved instance id on login, we either use this instance or relocate him out (return null)
{
map = FindInstanceMap(loginInstanceId);
return (map && map->GetId() == GetId()) ? map : nullptr; // is this check necessary? or does MapInstanced only find instances of itself?
}
InstanceGroupBind* groupBind = nullptr;
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)
{
// solo saves should be reset when entering a group's instance
player->UnbindInstance(GetId(), player->GetDifficultyID(GetEntry()));
pSave = groupBind->save;
}
}
}
if (pSave)
{
// solo/perm/group
newInstanceId = pSave->GetInstanceId();
map = FindInstanceMap(newInstanceId);
// it is possible that the save exists but the map doesn't
if (!map)
map = CreateInstance(newInstanceId, pSave, pSave->GetDifficultyID(), player->GetTeamId());
}
else
{
// if no instanceId via group members or instance saves is found
// the instance will be created for the first time
newInstanceId = sMapMgr->GenerateInstanceId();
Difficulty diff = player->GetGroup() ? player->GetGroup()->GetDifficultyID(GetEntry()) : player->GetDifficultyID(GetEntry());
//Seems it is now possible, but I do not know if it should be allowed
//ASSERT(!FindInstanceMap(NewInstanceId));
map = FindInstanceMap(newInstanceId);
if (!map)
map = CreateInstance(newInstanceId, NULL, diff, player->GetTeamId());
}
}
else
{
newInstanceId = player->GetGUID().GetCounter();
map = FindInstanceMap(newInstanceId);
if (!map)
map = CreateGarrison(newInstanceId, player);
}
return map;
}