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));
}