Core/WorldStates: Add generic worldstates for team in instance

src/server/game/Maps/Map.cpp

@@ -2585,7 +2585,7 @@ template TC_GAME_API void Map::RemoveFromMap(AreaTrigger*, bool);
 InstanceMap::InstanceMap(uint32 id, time_t expiry, uint32 InstanceId, uint8 SpawnMode, TeamId InstanceTeam)
   : Map(id, expiry, InstanceId, SpawnMode),
     m_resetAfterUnload(false), m_unloadWhenEmpty(false),
-    i_data(nullptr), i_script_id(0), i_script_team(InstanceTeam)
+    i_data(nullptr), i_script_id(0)
 {
     //lets initialize visibility distance for dungeons
     InstanceMap::InitVisibilityDistance();
@@ -2593,6 +2593,9 @@ InstanceMap::InstanceMap(uint32 id, time_t expiry, uint32 InstanceId, uint8 Spaw
     // the timer is started by default, and stopped when the first player joins
     // this make sure it gets unloaded if for some reason no player joins
     m_unloadTimer = std::max(sWorld->getIntConfig(CONFIG_INSTANCE_UNLOAD_DELAY), (uint32)MIN_UNLOAD_DELAY);
+
+    sWorldStateMgr->SetValue(WS_TEAM_IN_INSTANCE_ALLIANCE, InstanceTeam == TEAM_ALLIANCE, false, this);
+    sWorldStateMgr->SetValue(WS_TEAM_IN_INSTANCE_HORDE, InstanceTeam == TEAM_HORDE, false, this);
 }
 
 InstanceMap::~InstanceMap()
@@ -3048,6 +3051,15 @@ uint32 InstanceMap::GetMaxResetDelay() const
     return mapDiff ? mapDiff->resetTime : 0;
 }
 
+TeamId InstanceMap::GetTeamIdInInstance() const
+{
+    if (sWorldStateMgr->GetValue(WS_TEAM_IN_INSTANCE_ALLIANCE, this))
+        return TEAM_ALLIANCE;
+    if (sWorldStateMgr->GetValue(WS_TEAM_IN_INSTANCE_HORDE, this))
+        return TEAM_HORDE;
+    return TEAM_NEUTRAL;
+}
+
 /* ******* Battleground Instance Maps ******* */
 
 BattlegroundMap::BattlegroundMap(uint32 id, time_t expiry, uint32 InstanceId, uint8 spawnMode)