Core/Players: Allow teleporting to a specific instance id

Port From (https://github.com/TrinityCore/TrinityCore/commit/25c0aaa83fede6cd5214da00bb08a21c0b28c4be)

Source/Game/Chat/Commands/GroupCommands.cs

@@ -427,7 +427,7 @@ namespace Game.Chat
                 // before GM
                 float x, y, z;
                 gmPlayer.GetClosePoint(out x, out y, out z, player.GetCombatReach());
-                player.TeleportTo(gmPlayer.GetMapId(), x, y, z, player.GetOrientation());
+                player.TeleportTo(gmPlayer.GetMapId(), x, y, z, player.GetOrientation(), 0, gmPlayer.GetInstanceId());
             }
 
             return true;

Source/Game/Chat/Commands/MiscCommands.cs

@@ -140,7 +140,7 @@ namespace Game.Chat
                 float x, y, z;
                 target.GetClosePoint(out x, out y, out z, _player.GetCombatReach(), 1.0f);
 
-                _player.TeleportTo(target.GetMapId(), x, y, z, _player.GetAbsoluteAngle(target), TeleportToOptions.GMMode);
+                _player.TeleportTo(target.GetMapId(), x, y, z, _player.GetAbsoluteAngle(target), TeleportToOptions.GMMode, target.GetInstanceId());
                 PhasingHandler.InheritPhaseShift(_player, target);
                 _player.UpdateObjectVisibility();
             }
@@ -1856,7 +1856,7 @@ namespace Game.Chat
                 // before GM
                 float x, y, z;
                 _player.GetClosePoint(out x, out y, out z, target.GetCombatReach());
-                target.TeleportTo(_player.GetMapId(), x, y, z, target.GetOrientation());
+                target.TeleportTo(_player.GetMapId(), x, y, z, target.GetOrientation(), 0, map.GetInstanceId());
                 PhasingHandler.InheritPhaseShift(target, _player);
                 target.UpdateObjectVisibility();
             }

Source/Game/Entities/Player/Player.Fields.cs

@@ -95,6 +95,7 @@ namespace Game.Entities
         uint m_lastFallTime;
         float m_lastFallZ;
         WorldLocation teleportDest;
+        uint? m_teleport_instanceId;
         TeleportToOptions m_teleport_options;
         bool mSemaphoreTeleport_Near;
         bool mSemaphoreTeleport_Far;
@@ -138,6 +139,7 @@ namespace Game.Entities
         // Player summoning
         long m_summon_expire;
         WorldLocation m_summon_location;
+        uint m_summon_instanceId;
 
         RestMgr _restMgr;
 
@@ -225,6 +227,7 @@ namespace Game.Entities
 
         // Recall position
         WorldLocation m_recall_location;
+        uint m_recall_instanceId;
         WorldLocation homebind = new();
         uint homebindAreaId;
         uint m_HomebindTimer;

Source/Game/Entities/Player/Player.cs

@@ -1651,11 +1651,11 @@ namespace Game.Entities
         void SetCanDelayTeleport(bool setting) { m_bCanDelayTeleport = setting; }
         bool IsHasDelayedTeleport() { return m_bHasDelayedTeleport; }
         void SetDelayedTeleportFlag(bool setting) { m_bHasDelayedTeleport = setting; }
-        public bool TeleportTo(WorldLocation loc, TeleportToOptions options = 0)
+        public bool TeleportTo(WorldLocation loc, TeleportToOptions options = 0, uint? instanceId = null)
         {
-            return TeleportTo(loc.GetMapId(), loc.posX, loc.posY, loc.posZ, loc.Orientation, options);
+            return TeleportTo(loc.GetMapId(), loc.posX, loc.posY, loc.posZ, loc.Orientation, options, instanceId);
         }
-        public bool TeleportTo(uint mapid, float x, float y, float z, float orientation, TeleportToOptions options = 0)
+        public bool TeleportTo(uint mapid, float x, float y, float z, float orientation, TeleportToOptions options = 0, uint? instanceId = null)
         {
             if (!GridDefines.IsValidMapCoord(mapid, x, y, z, orientation))
             {
@@ -1721,7 +1721,7 @@ namespace Game.Entities
             if (duel != null && GetMapId() != mapid && GetMap().GetGameObject(m_playerData.DuelArbiter))
                 DuelComplete(DuelCompleteType.Fled);
 
-            if (GetMapId() == mapid)
+            if (GetMapId() == mapid && (!instanceId.HasValue || GetInstanceId() == instanceId))
             {
                 //lets reset far teleport flag if it wasn't reset during chained teleports
                 SetSemaphoreTeleportFar(false);
@@ -1734,6 +1734,7 @@ namespace Game.Entities
                     SetSemaphoreTeleportNear(true);
                     //lets save teleport destination for player
                     teleportDest = new WorldLocation(mapid, x, y, z, orientation);
+                    m_teleport_instanceId = null;
                     m_teleport_options = options;
                     return true;
                 }
@@ -1753,6 +1754,7 @@ namespace Game.Entities
 
                 // this will be used instead of the current location in SaveToDB
                 teleportDest = new WorldLocation(mapid, x, y, z, orientation);
+                m_teleport_instanceId = null;
                 m_teleport_options = options;
                 SetFallInformation(0, GetPositionZ());
 
@@ -1793,6 +1795,7 @@ namespace Game.Entities
                     SetSemaphoreTeleportFar(true);
                     //lets save teleport destination for player
                     teleportDest = new WorldLocation(mapid, x, y, z, orientation);
+                    m_teleport_instanceId = instanceId;
                     m_teleport_options = options;
                     return true;
                 }
@@ -1866,6 +1869,7 @@ namespace Game.Entities
                     oldmap.RemovePlayerFromMap(this, false);
 
                 teleportDest = new WorldLocation(mapid, x, y, z, orientation);
+                m_teleport_instanceId = instanceId;
                 m_teleport_options = options;
                 SetFallInformation(0, GetPositionZ());
                 // if the player is saved before worldportack (at logout for example)
@@ -2079,6 +2083,7 @@ namespace Game.Entities
 
             m_summon_expire = GameTime.GetGameTime() + PlayerConst.MaxPlayerSummonDelay;
             m_summon_location = new WorldLocation(summoner);
+            m_summon_instanceId = summoner.GetInstanceId();
 
             SummonRequest summonRequest = new();
             summonRequest.SummonerGUID = summoner.GetGUID();
@@ -2166,8 +2171,7 @@ namespace Game.Entities
             UpdateCriteria(CriteriaType.AcceptSummon, 1);
             RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Summon);
 
-            m_summon_location.SetOrientation(GetOrientation());
+            TeleportTo(m_summon_location, 0, m_summon_instanceId);
-            TeleportTo(m_summon_location);
 
             broadcastSummonResponse(true);
         }
@@ -5872,8 +5876,10 @@ namespace Game.Entities
         public void SaveRecallPosition()
         {
             m_recall_location = new WorldLocation(this);
+            m_recall_instanceId = GetInstanceId();
         }
-        public void Recall() { TeleportTo(m_recall_location); }
+
+        public void Recall() { TeleportTo(m_recall_location, 0, m_recall_instanceId); }
 
         public uint GetSaveTimer() { return m_nextSave; }
         void SetSaveTimer(uint timer) { m_nextSave = timer; }
@@ -7615,10 +7621,17 @@ namespace Game.Entities
         {
             return teleportDest;
         }
+
+        public uint? GetTeleportDestInstanceId() 
+        { 
+            return m_teleport_instanceId;
+        }
+
         public WorldLocation GetHomebind()
         {
             return homebind;
         }
+
         public WorldLocation GetRecall()
         {
             return m_recall_location;

Source/Game/Handlers/MovementHandler.cs

@@ -254,7 +254,7 @@ namespace Game
                 player.m_InstanceValid = true;
 
             Map oldMap = player.GetMap();
-            Map newMap = Global.MapMgr.CreateMap(loc.GetMapId(), player);
+            Map newMap = GetPlayer().GetTeleportDestInstanceId().HasValue ? Global.MapMgr.FindMap(loc.GetMapId(), GetPlayer().GetTeleportDestInstanceId().Value) : Global.MapMgr.CreateMap(loc.GetMapId(), GetPlayer());
 
             if (player.IsInWorld)
             {