public void Wander(float deltaTime)
{
if (character.IsClimbing)
{
return;
}
//steer away from edges of the hull
var currentHull = character.CurrentHull;
if (currentHull != null)
{
float roomWidth = currentHull.Rect.Width;
if (roomWidth < WallAvoidDistance * 4)
{
PathSteering.Reset();
}
else
{
float leftDist = character.Position.X - currentHull.Rect.X;
float rightDist = currentHull.Rect.Right - character.Position.X;
if (leftDist < WallAvoidDistance && rightDist < WallAvoidDistance)
{
if (Math.Abs(rightDist - leftDist) > WallAvoidDistance / 2)
{
PathSteering.SteeringManual(deltaTime, Vector2.UnitX * Math.Sign(rightDist - leftDist));
}
else
{
PathSteering.Reset();
}
}
else if (leftDist < WallAvoidDistance)
{
float speed = (WallAvoidDistance - leftDist) / WallAvoidDistance;
PathSteering.SteeringManual(deltaTime, Vector2.UnitX * MathHelper.Clamp(speed, 0.25f, 1));
PathSteering.WanderAngle = 0.0f;
}
else if (rightDist < WallAvoidDistance)
{
float speed = (WallAvoidDistance - rightDist) / WallAvoidDistance;
PathSteering.SteeringManual(deltaTime, -Vector2.UnitX * MathHelper.Clamp(speed, 0.25f, 1));
PathSteering.WanderAngle = MathHelper.Pi;
}
else
{
SteeringManager.SteeringWander();
}
}
}
else
{
SteeringManager.SteeringWander();
}
if (!character.AnimController.InWater)
{
//reset vertical steering to prevent dropping down from platforms etc
character.AIController.SteeringManager.ResetY();
}
}
protected override void Act(float deltaTime)
{
if (PathSteering == null)
{
return;
}
//don't keep dragging others when idling
if (character.SelectedCharacter != null)
{
character.DeselectCharacter();
}
if (!character.IsClimbing)
{
character.SelectedConstruction = null;
}
bool currentTargetIsInvalid = currentTarget == null || IsForbidden(currentTarget) ||
(PathSteering.CurrentPath != null && PathSteering.CurrentPath.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull)));
if (currentTargetIsInvalid || (currentTarget == null && IsForbidden(character.CurrentHull)))
{
newTargetTimer = 0;
standStillTimer = 0;
}
if (character.AnimController.InWater || character.IsClimbing)
{
standStillTimer = 0;
}
if (newTargetTimer <= 0.0f)
{
currentTarget = FindRandomHull();
if (currentTarget != null)
{
string errorMsg = null;
#if DEBUG
bool isRoomNameFound = currentTarget.RoomName != null;
errorMsg = "(Character " + character.Name + " idling, target " + (isRoomNameFound ? currentTarget.RoomName : currentTarget.ToString()) + ")";
#endif
var path = PathSteering.PathFinder.FindPath(character.SimPosition, currentTarget.SimPosition, errorMsg);
PathSteering.SetPath(path);
}
newTargetTimer = currentTarget != null && character.AnimController.InWater ? newTargetIntervalMin : Rand.Range(newTargetIntervalMin, newTargetIntervalMax);
}
newTargetTimer -= deltaTime;
//wander randomly
// - if reached the end of the path
// - if the target is unreachable
// - if the path requires going outside
if (SteeringManager != PathSteering || (PathSteering.CurrentPath != null &&
(PathSteering.CurrentPath.NextNode == null || PathSteering.CurrentPath.Unreachable || PathSteering.CurrentPath.HasOutdoorsNodes)))
{
standStillTimer -= deltaTime;
if (standStillTimer > 0.0f)
{
walkDuration = Rand.Range(walkDurationMin, walkDurationMax);
PathSteering.Reset();
return;
}
if (standStillTimer < -walkDuration)
{
standStillTimer = Rand.Range(standStillMin, standStillMax);
}
Wander(deltaTime);
return;
}
if (currentTarget != null)
{
character.AIController.SteeringManager.SteeringSeek(currentTarget.SimPosition);
}
}
protected override void Act(float deltaTime)
{
if (PathSteering == null)
{
return;
}
//don't keep dragging others when idling
if (character.SelectedCharacter != null)
{
character.DeselectCharacter();
}
if (!character.IsClimbing)
{
character.SelectedConstruction = null;
}
bool currentHullForbidden = IsForbidden(character.CurrentHull);
if (!currentHullForbidden && !character.AnimController.InWater && !character.IsClimbing && HumanAIController.ObjectiveManager.WaitTimer > 0)
{
SteeringManager.Reset();
return;
}
bool currentTargetIsInvalid = currentTarget == null || IsForbidden(currentTarget) ||
(PathSteering.CurrentPath != null && PathSteering.CurrentPath.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull)));
if (currentTargetIsInvalid || (currentTarget == null && currentHullForbidden))
{
newTargetTimer = 0;
standStillTimer = 0;
}
else if (character.IsClimbing)
{
if (currentTarget == null)
{
newTargetTimer = 0;
}
else
{
// Don't allow new targets when climbing.
newTargetTimer = Math.Max(newTargetIntervalMin, newTargetTimer);
}
}
else if (character.AnimController.InWater)
{
if (currentTarget == null)
{
newTargetTimer = 0;
}
}
if (newTargetTimer <= 0.0f)
{
if (!searchingNewHull)
{
//find all available hulls first
FindTargetHulls();
searchingNewHull = true;
return;
}
else if (targetHulls.Count > 0)
{
//choose a random available hull
var randomHull = ToolBox.SelectWeightedRandom(targetHulls, hullWeights, Rand.RandSync.Unsynced);
bool isCurrentHullOK = !HumanAIController.UnsafeHulls.Contains(character.CurrentHull) && !IsForbidden(character.CurrentHull);
if (isCurrentHullOK)
{
// Check that there is no unsafe or forbidden hulls on the way to the target
// Only do this when the current hull is ok, because otherwise the would block all paths from the current hull to the target hull.
var path = PathSteering.PathFinder.FindPath(character.SimPosition, randomHull.SimPosition);
if (path.Unreachable ||
path.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull) || IsForbidden(n.CurrentHull)))
{
//can't go to this room, remove it from the list and try another room next frame
int index = targetHulls.IndexOf(randomHull);
targetHulls.RemoveAt(index);
hullWeights.RemoveAt(index);
PathSteering.Reset();
return;
}
}
currentTarget = randomHull;
searchingNewHull = false;
}
if (currentTarget != null)
{
character.AIController.SelectTarget(currentTarget.AiTarget);
string errorMsg = null;
#if DEBUG
bool isRoomNameFound = currentTarget.RoomName != null;
errorMsg = "(Character " + character.Name + " idling, target " + (isRoomNameFound ? currentTarget.RoomName : currentTarget.ToString()) + ")";
#endif
var path = PathSteering.PathFinder.FindPath(character.SimPosition, currentTarget.SimPosition, errorMsg);
PathSteering.SetPath(path);
}
newTargetTimer = currentTarget != null && character.AnimController.InWater ? newTargetIntervalMin : Rand.Range(newTargetIntervalMin, newTargetIntervalMax);
}
newTargetTimer -= deltaTime;
//wander randomly
// - if reached the end of the path
// - if the target is unreachable
// - if the path requires going outside
if (!character.IsClimbing)
{
if (SteeringManager != PathSteering || (PathSteering.CurrentPath != null &&
(PathSteering.CurrentPath.NextNode == null || PathSteering.CurrentPath.Unreachable || PathSteering.CurrentPath.HasOutdoorsNodes)))
{
if (!character.AnimController.InWater)
{
standStillTimer -= deltaTime;
if (standStillTimer > 0.0f)
{
walkDuration = Rand.Range(walkDurationMin, walkDurationMax);
PathSteering.Reset();
return;
}
if (standStillTimer < -walkDuration)
{
standStillTimer = Rand.Range(standStillMin, standStillMax);
}
}
Wander(deltaTime);
return;
}
}
if (currentTarget != null)
{
character.AIController.SteeringManager.SteeringSeek(currentTarget.SimPosition);
}
}