void StartMove(Creature owner, bool relaunch = false) { // sanity checks if (owner == null || !owner.IsAlive() || HasFlag(MovementGeneratorFlags.Finalized) || _path == null || _path.nodes.Empty() || (relaunch && (HasFlag(MovementGeneratorFlags.InformEnabled) || !HasFlag(MovementGeneratorFlags.Initialized)))) { return; } if (owner.HasUnitState(UnitState.NotMove) || owner.IsMovementPreventedByCasting() || (owner.IsFormationLeader() && !owner.IsFormationLeaderMoveAllowed())) // if cannot move OR cannot move because of formation { _nextMoveTime.Reset(1000); // delay 1s return; } bool transportPath = !owner.GetTransGUID().IsEmpty(); if (HasFlag(MovementGeneratorFlags.InformEnabled) && HasFlag(MovementGeneratorFlags.Initialized)) { if (ComputeNextNode()) { Cypher.Assert(_currentNode < _path.nodes.Count, $"WaypointMovementGenerator.StartMove: tried to reference a node id ({_currentNode}) which is not included in path ({_path.id})"); // inform AI CreatureAI ai = owner.GetAI(); if (ai != null) { ai.WaypointStarted(_path.nodes[_currentNode].id, _path.id); } } else { WaypointNode currentWaypoint = _path.nodes[_currentNode]; float x = currentWaypoint.x; float y = currentWaypoint.y; float z = currentWaypoint.z; float o = owner.GetOrientation(); if (!transportPath) { owner.SetHomePosition(x, y, z, o); } else { Transport trans = owner.GetTransport(); if (trans) { o -= trans.GetOrientation(); owner.SetTransportHomePosition(x, y, z, o); trans.CalculatePassengerPosition(ref x, ref y, ref z, ref o); owner.SetHomePosition(x, y, z, o); } // else if (vehicle) - this should never happen, vehicle offsets are const } AddFlag(MovementGeneratorFlags.Finalized); owner.UpdateCurrentWaypointInfo(0, 0); // inform AI CreatureAI ai = owner.GetAI(); if (ai != null) { ai.WaypointPathEnded(currentWaypoint.id, _path.id); } return; } } else if (!HasFlag(MovementGeneratorFlags.Initialized)) { AddFlag(MovementGeneratorFlags.Initialized); // inform AI CreatureAI ai = owner.GetAI(); if (ai != null) { ai.WaypointStarted(_path.nodes[_currentNode].id, _path.id); } } Cypher.Assert(_currentNode < _path.nodes.Count, $"WaypointMovementGenerator.StartMove: tried to reference a node id ({_currentNode}) which is not included in path ({_path.id})"); WaypointNode waypoint = _path.nodes[_currentNode]; Position formationDest = new(waypoint.x, waypoint.y, waypoint.z, (waypoint.orientation != 0 && waypoint.delay != 0) ? waypoint.orientation : 0.0f); RemoveFlag(MovementGeneratorFlags.Transitory | MovementGeneratorFlags.InformEnabled | MovementGeneratorFlags.TimedPaused); owner.AddUnitState(UnitState.RoamingMove); MoveSplineInit init = new(owner); //! If creature is on transport, we assume waypoints set in DB are already transport offsets if (transportPath) { init.DisableTransportPathTransformations(); ITransport trans = owner.GetDirectTransport(); if (trans != null) { float orientation = formationDest.GetOrientation(); trans.CalculatePassengerPosition(ref formationDest.posX, ref formationDest.posY, ref formationDest.posZ, ref orientation); formationDest.SetOrientation(orientation); } } //! Do not use formationDest here, MoveTo requires transport offsets due to DisableTransportPathTransformations() call //! but formationDest contains global coordinates init.MoveTo(waypoint.x, waypoint.y, waypoint.z); //! Accepts angles such as 0.00001 and -0.00001, 0 must be ignored, default value in waypoint table if (waypoint.orientation != 0 && waypoint.delay != 0) { init.SetFacing(waypoint.orientation); } switch (waypoint.moveType) { case WaypointMoveType.Land: init.SetAnimation(AnimType.ToGround); break; case WaypointMoveType.Takeoff: init.SetAnimation(AnimType.ToFly); break; case WaypointMoveType.Run: init.SetWalk(false); break; case WaypointMoveType.Walk: init.SetWalk(true); break; } init.Launch(); // inform formation owner.SignalFormationMovement(formationDest, waypoint.id, waypoint.moveType, (waypoint.orientation != 0 && waypoint.delay != 0)); }