protected override void Act(float deltaTime)
{
if (ReturnTarget == null)
{
Abandon = true;
return;
}
bool shouldUseEscapeBehavior = false;
if (character.CurrentHull != null || isSteeringThroughGap)
{
if (character.Submarine == null || !character.Submarine.IsConnectedTo(ReturnTarget))
{
// Character is on another sub that is not connected to the target sub, use the escape behavior to get them out
shouldUseEscapeBehavior = true;
if (!usingEscapeBehavior)
{
HumanAIController.ResetEscape();
}
isSteeringThroughGap = HumanAIController.Escape(deltaTime);
if (!isSteeringThroughGap && (HumanAIController.EscapeTarget == null || HumanAIController.IsCurrentPathUnreachable))
{
Abandon = true;
}
}
else if (character.Submarine != ReturnTarget)
{
// Character is on another sub that is connected to the target sub, create a Go To objective to reach the target sub
if (moveInsideObjective == null)
{
Hull targetHull = null;
foreach (var d in ReturnTarget.ConnectedDockingPorts.Values)
{
if (!d.Docked)
{
continue;
}
if (d.DockingTarget == null)
{
continue;
}
if (d.DockingTarget.Item.Submarine != character.Submarine)
{
continue;
}
targetHull = d.Item.CurrentHull;
break;
}
if (targetHull != null && !targetHull.IsTaggedAirlock())
{
// Target the closest airlock
float closestDist = 0;
Hull airlock = null;
foreach (Hull hull in Hull.hullList)
{
if (hull.Submarine != targetHull.Submarine)
{
continue;
}
if (!hull.IsTaggedAirlock())
{
continue;
}
float dist = Vector2.DistanceSquared(targetHull.Position, hull.Position);
if (airlock == null || closestDist <= 0 || dist < closestDist)
{
airlock = hull;
closestDist = dist;
}
}
if (airlock != null)
{
targetHull = airlock;
}
}
if (targetHull != null)
{
RemoveSubObjective(ref moveInCaveObjective);
RemoveSubObjective(ref moveOutsideObjective);
TryAddSubObjective(ref moveInsideObjective,
constructor: () => new AIObjectiveGoTo(targetHull, character, objectiveManager)
{
AllowGoingOutside = true,
endNodeFilter = n => n.Waypoint.Submarine == targetHull.Submarine
},
onCompleted: () => RemoveSubObjective(ref moveInsideObjective),
onAbandon: () => Abandon = true);
}
else
{
#if DEBUG
DebugConsole.ThrowError("Error with a Return objective: no suitable target for 'moveInsideObjective'");
#endif
}
}
}
else
{
// Character is on the target sub, the objective is completed
IsCompleted = true;
}
}
else if (!isSteeringThroughGap && moveInCaveObjective == null && moveOutsideObjective == null)
{
if (HumanAIController.IsInsideCave)
{
WayPoint closestOutsideWaypoint = null;
float closestDistance = float.MaxValue;
foreach (var w in WayPoint.WayPointList)
{
if (w.Tunnel != null && w.Tunnel.Type == Level.TunnelType.Cave)
{
continue;
}
if (w.linkedTo.None(l => l is WayPoint linkedWaypoint && linkedWaypoint.Tunnel?.Type == Level.TunnelType.Cave))
{
continue;
}
float distance = Vector2.DistanceSquared(character.WorldPosition, w.WorldPosition);
if (closestOutsideWaypoint == null || distance < closestDistance)
{
closestOutsideWaypoint = w;
closestDistance = distance;
}
}
if (closestOutsideWaypoint != null)
{
RemoveSubObjective(ref moveInsideObjective);
RemoveSubObjective(ref moveOutsideObjective);
TryAddSubObjective(ref moveInCaveObjective,
constructor: () => new AIObjectiveGoTo(closestOutsideWaypoint, character, objectiveManager)
{
endNodeFilter = n => n.Waypoint == closestOutsideWaypoint,
AllowGoingOutside = true
},
onCompleted: () => RemoveSubObjective(ref moveInCaveObjective),
onAbandon: () => Abandon = true);
}
else
{
#if DEBUG
DebugConsole.ThrowError("Error with a Return objective: no suitable main or side path node target found for 'moveOutsideObjective'");
#endif
}
}
else
{
Hull targetHull = null;
float targetDistanceSquared = float.MaxValue;
bool targetIsAirlock = false;
foreach (var hull in ReturnTarget.GetHulls(false))
{
bool hullIsAirlock = hull.IsTaggedAirlock();
if (hullIsAirlock || (!targetIsAirlock && hull.LeadsOutside(character)))
{
float distanceSquared = Vector2.DistanceSquared(character.WorldPosition, hull.WorldPosition);
if (targetHull == null || distanceSquared < targetDistanceSquared)
{
targetHull = hull;
targetDistanceSquared = distanceSquared;
targetIsAirlock = hullIsAirlock;
}
}
}
if (targetHull != null)
{
RemoveSubObjective(ref moveInsideObjective);
RemoveSubObjective(ref moveInCaveObjective);
TryAddSubObjective(ref moveOutsideObjective,
constructor: () => new AIObjectiveGoTo(targetHull, character, objectiveManager)
{
AllowGoingOutside = true
},
onCompleted: () => RemoveSubObjective(ref moveOutsideObjective),
onAbandon: () => Abandon = true);
}
else
{
#if DEBUG
DebugConsole.ThrowError("Error with a Return objective: no suitable target for 'moveOutsideObjective'");
#endif
}
}
}
else
{
if (HumanAIController.IsInsideCave)
{
RemoveSubObjective(ref moveOutsideObjective);
}
else
{
RemoveSubObjective(ref moveInCaveObjective);
}
}
usingEscapeBehavior = shouldUseEscapeBehavior;
}