Core/Transports: Fixed stoppable elevator position calculation when going from first floor to third or higher

Port From (https://github.com/TrinityCore/TrinityCore/commit/d85379faa6d5d33f755e17cb0204f243345db938)
2022-06-20 22:48:42 -04:00
parent f38dee890d
commit be8e18450e
2 changed files with 6 additions and 2 deletions
@@ -3823,7 +3823,12 @@ namespace Game.Entities
                if (oldToNewStateDelta < 0)
                    oldToNewStateDelta += pauseTimesCount + 1;

-                if (oldToNewStateDelta < newToOldStateDelta)
+                // this additional check is neccessary because client doesn't check dynamic flags on progress update
+                // instead it multiplies progress from dynamicflags field by -1 and then compares that against 0
+                // when calculating path progress while we simply check the flag if (!_owner.HasDynamicFlag(GO_DYNFLAG_LO_INVERTED_MOVEMENT))
+                bool isAtStartOfPath = _stateChangeProgress == 0;
+
+                if (oldToNewStateDelta < newToOldStateDelta && !isAtStartOfPath)
                    _owner.SetDynamicFlag(GameObjectDynamicLowFlags.InvertedMovement);
                else
                    _owner.RemoveDynamicFlag(GameObjectDynamicLowFlags.InvertedMovement);