Core/Unit: SendTeleportPacket corrections

src/server/game/Entities/Player/Player.cpp

@@ -1929,12 +1929,14 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
         // near teleport, triggering send MSG_MOVE_TELEPORT_ACK from client at landing
         if (!GetSession()->PlayerLogout())
         {
-            Position oldPos = GetPosition();
+            Position newPosition(x, y, z, orientation);
             if (HasUnitMovementFlag(MOVEMENTFLAG_HOVER))
-                z += GetFloatValue(UNIT_FIELD_HOVERHEIGHT);
-            Relocate(x, y, z, orientation);
+                newPosition.m_positionZ += GetFloatValue(UNIT_FIELD_HOVERHEIGHT);
+
+            UpdatePosition(newPosition, true);
             SendTeleportAckPacket();
-            SendTeleportPacket(oldPos); // this automatically relocates to oldPos in order to broadcast the packet in the right place
+            SendTeleportPacket();
+            UpdateObjectVisibility();
         }
     }
     else

src/server/game/Entities/Unit/Unit.cpp

@@ -13809,26 +13809,18 @@ void Unit::NearTeleportTo(Position const& pos, bool casting /*= false*/)
     }
     else
     {
-        SendTeleportPacket(pos);
         UpdatePosition(pos, true);
+        SendTeleportPacket();
         UpdateObjectVisibility();
     }
 }
 
-void Unit::SendTeleportPacket(Position const& pos)
+void Unit::SendTeleportPacket()
 {
-    Position oldPos = { GetPositionX(), GetPositionY(), GetPositionZMinusOffset(), GetOrientation() };
-    if (GetTypeId() == TYPEID_UNIT)
-        Relocate(&pos);
-
-    WorldPacket data2(MSG_MOVE_TELEPORT, 38);
-    data2 << GetPackGUID();
-    BuildMovementPacket(&data2);
-    if (GetTypeId() == TYPEID_UNIT)
-        Relocate(&oldPos);
-    if (GetTypeId() == TYPEID_PLAYER)
-        Relocate(&pos);
-    SendMessageToSet(&data2, false);
+    WorldPacket data(MSG_MOVE_TELEPORT, 38);
+    data << GetPackGUID();
+    BuildMovementPacket(&data);
+    SendMessageToSet(&data, false);
 }
 
 bool Unit::UpdatePosition(float x, float y, float z, float orientation, bool teleport)

src/server/game/Entities/Unit/Unit.h

@@ -1620,7 +1620,7 @@ class TC_GAME_API Unit : public WorldObject
 
         void NearTeleportTo(Position const& pos, bool casting = false);
         void NearTeleportTo(float x, float y, float z, float orientation, bool casting = false) { NearTeleportTo(Position(x, y, z, orientation), casting); }
-        void SendTeleportPacket(Position const& pos);
+        void SendTeleportPacket();
         virtual bool UpdatePosition(float x, float y, float z, float ang, bool teleport = false);
         // returns true if unit's position really changed
         virtual bool UpdatePosition(const Position &pos, bool teleport = false);