Core/WorldStates: Migrate battleground HolidayWorldState to new system

Port From (https://github.com/TrinityCore/TrinityCore/commit/020166649dd5afb94dddbfcc990d4bb51e231ab1)

Source/Game/Entities/Player/Player.PvP.cs

@@ -717,20 +717,6 @@ namespace Game.Entities
             return true;
         }
 
-        void SendBGWeekendWorldStates()
-        {
-            foreach (var bl in CliDB.BattlemasterListStorage.Values)
-            {
-                if (bl.HolidayWorldState != 0)
-                {
-                    if (Global.BattlegroundMgr.IsBGWeekend((BattlegroundTypeId)bl.Id))
-                        SendUpdateWorldState(bl.HolidayWorldState, 1);
-                    else
-                        SendUpdateWorldState(bl.HolidayWorldState, 0);
-                }
-            }
-        }
-
         public void SendPvpRewards()
         {
             //WorldPacket packet(SMSG_REQUEST_PVP_REWARDS_RESPONSE, 24);

Source/Game/Entities/Player/Player.cs

@@ -2932,7 +2932,6 @@ namespace Game.Entities
             packet.AddState(3901, previousArenaSeason);
 
             SendPacket(packet);
-            SendBGWeekendWorldStates();
         }
 
         public long GetBarberShopCost(List<ChrCustomizationChoice> newCustomizations)

Source/Game/Events/GameEventManager.cs

@@ -1477,15 +1477,10 @@ namespace Game
                 BattlegroundTypeId bgTypeId = Global.BattlegroundMgr.WeekendHolidayIdToBGType(Event.holiday_id);
                 if (bgTypeId != BattlegroundTypeId.None)
                 {
-                    BattlemasterListRecord bl = CliDB.BattlemasterListStorage.LookupByKey(bgTypeId);
+                    var bl = CliDB.BattlemasterListStorage.LookupByKey(Global.BattlegroundMgr.WeekendHolidayIdToBGType(Event.holiday_id));
-                    if (bl != null && bl.HolidayWorldState != 0)
+                    if (bl != null)
-                    {
+                        if (bl.HolidayWorldState != 0)
-                        UpdateWorldState worldstate = new();
+                            Global.WorldStateMgr.SetValue(bl.HolidayWorldState, Activate ? 1 : 0, false, null);
-                        worldstate.VariableID = bl.HolidayWorldState;
-                        worldstate.Value = Activate ? 1 : 0;
-                        //worldstate.Hidden = false;
-                        Global.WorldMgr.SendGlobalMessage(worldstate);
-                    }
                 }
             }
         }

Source/Game/World/WorldStateManager.cs

@@ -154,7 +154,7 @@ namespace Game
             if (worldStateTemplate == null || worldStateTemplate.MapIds.Empty())
                 return _realmWorldStateValues.LookupByKey(worldStateId);
 
-            if (!worldStateTemplate.MapIds.Contains(map.GetId()))
+            if (map == null || !worldStateTemplate.MapIds.Contains(map.GetId()))
                 return 0;
 
             return map.GetWorldStateValue(worldStateId);
@@ -197,7 +197,7 @@ namespace Game
                 return;
             }
 
-            if (!worldStateTemplate.MapIds.Contains(map.GetId()))
+            if (map == null || !worldStateTemplate.MapIds.Contains(map.GetId()))
                 return;
 
             map.SetWorldStateValue(worldStateId, value, hidden);

sql/updates/world/master/2022_07_11_01_world.sql

@@ -0,0 +1,13 @@
+DELETE FROM `world_state` WHERE `ID` IN (1941,1942,1943,2851,3695,4273,5360,5361,6306,6436,7671);
+INSERT INTO `world_state` (`ID`,`DefaultValue`,`MapIDs`,`AreaIDs`,`ScriptName`,`Comment`) VALUES
+(1941,0,NULL,NULL,'','Battleground Call to Arms - Alterac Valley'),
+(1942,0,NULL,NULL,'','Battleground Call to Arms - Warsong Gulch'),
+(1943,0,NULL,NULL,'','Battleground Call to Arms - Arathi Basin'),
+(2851,0,NULL,NULL,'','Battleground Call to Arms - Eye of the Storm'),
+(3695,0,NULL,NULL,'','Battleground Call to Arms - Strand of the Ancients'),
+(4273,0,NULL,NULL,'','Battleground Call to Arms - Isle of Conquest'),
+(5360,0,NULL,NULL,'','Battleground Call to Arms - The Battle for Gilneas'),
+(5361,0,NULL,NULL,'','Battleground Call to Arms - Twin Peaks'),
+(6306,0,NULL,NULL,'','Battleground Call to Arms - Temple of Kotmogu'),
+(6436,0,NULL,NULL,'','Battleground Call to Arms - Silvershard Mines'),
+(7671,0,NULL,NULL,'','Battleground Call to Arms - Deepwind Gorge (Legacy)');