Core/WorldStates: Migrate Wintergrasp worldstates to new system

Port From (https://github.com/TrinityCore/TrinityCore/commit/6285033ed5ba8f67330eca40c1ae4840882a98d3)

Source/Game/BattleFields/BattleField.cs

@@ -348,11 +348,10 @@ namespace Game.BattleFields
             if (!endByTimer)
                 SetDefenderTeam(GetAttackerTeam());
 
-            OnBattleEnd(endByTimer);
-
             // Reset battlefield timer
             m_Timer = m_NoWarBattleTime;
-            SendInitWorldStatesToAll();
+
+            OnBattleEnd(endByTimer);
         }
 
         void DoPlaySoundToAll(uint soundID)
@@ -749,6 +748,8 @@ namespace Game.BattleFields
 
         public uint GetTypeId() { return m_TypeId; }
         public uint GetZoneId() { return m_ZoneId; }
+        public uint GetMapId()  { return m_MapId; }
+        public Map GetMap()  { return m_Map; }
         public ulong GetQueueId() { return MathFunctions.MakePair64(m_BattleId | 0x20000, 0x1F100000); }
 
         // Return true if battle is start, false if battle is not started

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

@@ -741,17 +741,6 @@ namespace Game.Entities
         void SendBattlefieldWorldStates()
         {
             // Send misc stuff that needs to be sent on every login, like the battle timers.
-            if (WorldConfig.GetBoolValue(WorldCfg.WintergraspEnable))
-            {
-                BattleField wg = Global.BattleFieldMgr.GetBattlefieldByBattleId(BattlefieldIds.WG);
-                if (wg != null)
-                {
-                    SendUpdateWorldState(WorldStates.BattlefieldWgActive, (uint)(wg.IsWarTime() ? 0 : 1));
-                    uint timer = wg.IsWarTime() ? 0 : (wg.GetTimer() / 1000); // 0 - Time to next battle
-                    SendUpdateWorldState(WorldStates.BattlefieldWgTimeNextBattle, (uint)(GameTime.GetGameTime() + timer));
-                }
-            }
-
             if (WorldConfig.GetBoolValue(WorldCfg.TolbaradEnable))
             {
                 BattleField tb = Global.BattleFieldMgr.GetBattlefieldByBattleId(BattlefieldIds.TB);

Source/Game/Entities/Player/Player.cs

@@ -3466,10 +3466,6 @@ namespace Game.Entities
                         packet.AddState(4882, 0); // WORLD_STATE_HOR_WAVE_COUNT
                     }
                     break;
-                case (uint)AreaId.Wintergrasp: // Wintergrasp
-                    if (battlefield != null && battlefield.GetTypeId() == (uint)BattleFieldTypes.WinterGrasp)
-                        battlefield.FillInitialWorldStates(packet);
-                    break;
                 // Zul Aman
                 case 3805:
                     if (instance != null && mapid == 568)

Source/Game/World/WorldStateManager.cs

@@ -22,6 +22,7 @@ using Game.Maps;
 using Game.Networking.Packets;
 using System;
 using System.Collections.Generic;
+using Framework.Constants;
 
 namespace Game
 {
@@ -112,6 +113,16 @@ namespace Game
             return map.GetWorldStateValue(worldStateId);
         }
 
+        public void SetValue(WorldStates worldStateId, int value, Map map)
+        {
+            SetValue((int)worldStateId, value, map);
+        }
+
+        public void SetValue(uint worldStateId, int value, Map map)
+        {
+            SetValue((int)worldStateId, value, map);
+        }
+
         public void SetValue(int worldStateId, int value, Map map)
         {
             WorldStateTemplate worldStateTemplate = GetWorldStateTemplate(worldStateId);