Core/Gossip: Implemented new gossip option type GOSSIP_OPTION_TRANSMOGRIFIER

Source/Framework/Constants/GossipConst.cs

@@ -39,6 +39,7 @@ namespace Framework.Constants
         Unlearnpettalents_Old = 17,     // deprecated
         Learndualspec = 18,                   //Unit_Npc_Flag_Trainer             (16) (Bonus Option For Trainer)
         Outdoorpvp = 19,                   //Added By Code (Option For Outdoor Pvp Creatures)
+        Transmogrifier = 20,                   //UNIT_NPC_FLAG_TRANSMOGRIFIER
         Max
     }
 

Source/Game/Entities/Player/Player.cs

@@ -2366,6 +2366,7 @@ namespace Game.Entities
                         case GossipOption.Petitioner:
                         case GossipOption.Tabarddesigner:
                         case GossipOption.Auctioneer:
+                        case GossipOption.Transmogrifier:
                             break;                                  // no checks
                         case GossipOption.Outdoorpvp:
                             if (!Global.OutdoorPvPMgr.CanTalkTo(this, creature, menuItems))
@@ -2573,6 +2574,9 @@ namespace Game.Entities
                         Global.BattlegroundMgr.SendBattlegroundList(this, guid, bgTypeId);
                         break;
                     }
+                case GossipOption.Transmogrifier:
+                    GetSession().SendOpenTransmogrifier(guid);
+                    break;
             }
 
             ModifyMoney(-cost);

Source/Game/Handlers/TransmogrificationHandler.cs

@@ -291,5 +291,10 @@ namespace Game
                 }
             }
         }
+
+        public void SendOpenTransmogrifier(ObjectGuid guid)
+        {
+            SendPacket(new OpenTransmogrifier(guid));
+        }
     }
 }

Source/Game/Network/Packets/TransmogrificationPackets.cs

@@ -64,6 +64,21 @@ namespace Game.Network.Packets
         public List<uint> FavoriteAppearances = new List<uint>();
     }
 
+    class OpenTransmogrifier : ServerPacket
+    {
+        public OpenTransmogrifier(ObjectGuid guid) : base(ServerOpcodes.OpenTransmogrifier, ConnectionType.Instance)
+        {
+            Guid = guid;
+        }
+
+        public override void Write()
+        {
+            _worldPacket.WritePackedGuid(Guid);
+        }
+
+        ObjectGuid Guid;
+    }
+
     struct TransmogrifyItem
     {
         public void Read(WorldPacket data)