protected override void Act(float deltaTime) { var currentHull = character.AnimController.CurrentHull; if (HumanAIController.NeedsDivingGear(currentHull) && divingGearObjective == null) { bool needsDivingSuit = currentHull == null || currentHull.WaterPercentage > 90; bool hasEquipment = needsDivingSuit ? HumanAIController.HasDivingSuit(character) : HumanAIController.HasDivingGear(character); if (!hasEquipment) { divingGearObjective = new AIObjectiveFindDivingGear(character, needsDivingSuit); } } if (divingGearObjective != null) { divingGearObjective.TryComplete(deltaTime); if (divingGearObjective.IsCompleted()) { divingGearObjective = null; Priority = 0; } else if (divingGearObjective.CanBeCompleted) { // If diving gear objective is active and can be completed, wait for it to complete. return; } else { divingGearObjective = null; // Reset the timer so that we get a safe hull target. searchHullTimer = 0; } } if (unreachableClearTimer > 0) { unreachableClearTimer -= deltaTime; } else { unreachableClearTimer = clearUnreachableInterval; unreachable.Clear(); } if (searchHullTimer > 0.0f) { searchHullTimer -= deltaTime; } else if (currenthullSafety < HumanAIController.HULL_SAFETY_THRESHOLD) { var bestHull = FindBestHull(); if (bestHull != null && bestHull != currentHull) { if (goToObjective != null) { if (goToObjective.Target != bestHull) { // If we need diving gear, we should already have it, if possible. goToObjective = new AIObjectiveGoTo(bestHull, character, getDivingGearIfNeeded: false) { AllowGoingOutside = HumanAIController.HasDivingSuit(character) }; } } else { goToObjective = new AIObjectiveGoTo(bestHull, character, getDivingGearIfNeeded: false) { AllowGoingOutside = HumanAIController.HasDivingSuit(character) }; } } searchHullTimer = SearchHullInterval; } if (goToObjective != null) { goToObjective.TryComplete(deltaTime); if (!goToObjective.CanBeCompleted) { if (!unreachable.Contains(goToObjective.Target)) { unreachable.Add(goToObjective.Target as Hull); } goToObjective = null; HumanAIController.ObjectiveManager.GetObjective <AIObjectiveIdle>().Wander(deltaTime); //SteeringManager.SteeringWander(); } } else if (currentHull != null) { //goto objective doesn't exist (a safe hull not found, or a path to a safe hull not found) // -> attempt to manually steer away from hazards Vector2 escapeVel = Vector2.Zero; foreach (FireSource fireSource in currentHull.FireSources) { Vector2 dir = character.Position - fireSource.Position; float distMultiplier = MathHelper.Clamp(100.0f / Vector2.Distance(fireSource.Position, character.Position), 0.1f, 10.0f); escapeVel += new Vector2(Math.Sign(dir.X) * distMultiplier, !character.IsClimbing ? 0 : Math.Sign(dir.Y) * distMultiplier); } foreach (Character enemy in Character.CharacterList) { //don't run from friendly NPCs if (enemy.TeamID == Character.TeamType.FriendlyNPC) { continue; } //friendly NPCs don't run away from anything but characters controlled by EnemyAIController (= monsters) if (character.TeamID == Character.TeamType.FriendlyNPC && !(enemy.AIController is EnemyAIController)) { continue; } if (enemy.CurrentHull == currentHull && !enemy.IsDead && !enemy.IsUnconscious && (enemy.AIController is EnemyAIController || enemy.TeamID != character.TeamID)) { Vector2 dir = character.Position - enemy.Position; float distMultiplier = MathHelper.Clamp(100.0f / Vector2.Distance(enemy.Position, character.Position), 0.1f, 10.0f); escapeVel += new Vector2(Math.Sign(dir.X) * distMultiplier, !character.IsClimbing ? 0 : Math.Sign(dir.Y) * distMultiplier); } } if (escapeVel != Vector2.Zero) { //only move if we haven't reached the edge of the room if ((escapeVel.X < 0 && character.Position.X > currentHull.Rect.X + 50) || (escapeVel.X > 0 && character.Position.X < currentHull.Rect.Right - 50)) { character.AIController.SteeringManager.SteeringManual(deltaTime, escapeVel); } else { character.AnimController.TargetDir = escapeVel.X < 0.0f ? Direction.Right : Direction.Left; character.AIController.SteeringManager.Reset(); } } else { character.AIController.SteeringManager.Reset(); } } }
protected override void Act(float deltaTime) { if (followControlledCharacter) { if (Character.Controlled == null) { Abandon = true; return; } Target = Character.Controlled; } if (Target == character) { // Wait character.AIController.SteeringManager.Reset(); return; } waitUntilPathUnreachable -= deltaTime; if (!character.IsClimbing) { character.SelectedConstruction = null; } if (Target is Entity e) { if (e.Removed) { Abandon = true; } else { character.AIController.SelectTarget(e.AiTarget); } } var targetHull = Target is Hull h ? h : Target is Item i ? i.CurrentHull : Target is Character c ? c.CurrentHull : character.CurrentHull; if (!followControlledCharacter) { // Abandon if going through unsafe paths. Note ignores unsafe nodes when following an order or when the objective is set to ignore unsafe hulls. bool containsUnsafeNodes = HumanAIController.CurrentOrder == null && !HumanAIController.ObjectiveManager.CurrentObjective.IgnoreUnsafeHulls && PathSteering != null && PathSteering.CurrentPath != null && PathSteering.CurrentPath.Nodes.Any(n => HumanAIController.UnsafeHulls.Contains(n.CurrentHull)); if (containsUnsafeNodes || HumanAIController.UnreachableHulls.Contains(targetHull)) { Abandon = true; SteeringManager.Reset(); return; } } bool insideSteering = SteeringManager == PathSteering && PathSteering.CurrentPath != null && !PathSteering.IsPathDirty; bool isInside = character.CurrentHull != null; bool targetIsOutside = (Target != null && targetHull == null) || (insideSteering && PathSteering.CurrentPath.HasOutdoorsNodes); if (isInside && targetIsOutside && !AllowGoingOutside) { Abandon = true; } else if (waitUntilPathUnreachable < 0) { if (SteeringManager == PathSteering && PathSteering.CurrentPath != null && PathSteering.CurrentPath.Unreachable && !PathSteering.IsPathDirty) { if (repeat) { SteeringManager.Reset(); } else { Abandon = true; } } } if (Abandon) { #if DEBUG DebugConsole.NewMessage($"{character.Name}: Cannot reach the target: {Target.ToString()}", Color.Yellow); #endif if (objectiveManager.CurrentOrder != null && objectiveManager.CurrentOrder.ReportFailures) { character.Speak(TextManager.Get("DialogCannotReach"), identifier: "cannotreach", minDurationBetweenSimilar: 10.0f); } SteeringManager.Reset(); } else { if (getDivingGearIfNeeded && !character.LockHands) { Character followTarget = Target as Character; bool needsDivingSuit = targetIsOutside; bool needsDivingGear = needsDivingSuit || HumanAIController.NeedsDivingGear(character, targetHull, out needsDivingSuit); if (!needsDivingGear && mimic) { if (HumanAIController.HasDivingSuit(followTarget)) { needsDivingGear = true; needsDivingSuit = true; } else if (HumanAIController.HasDivingMask(followTarget)) { needsDivingGear = true; } } bool needsEquipment = false; if (needsDivingSuit) { needsEquipment = !HumanAIController.HasDivingSuit(character, AIObjectiveFindDivingGear.lowOxygenThreshold); } else if (needsDivingGear) { needsEquipment = !HumanAIController.HasDivingGear(character, AIObjectiveFindDivingGear.lowOxygenThreshold); } if (needsEquipment) { TryAddSubObjective(ref findDivingGear, () => new AIObjectiveFindDivingGear(character, needsDivingSuit, objectiveManager), onAbandon: () => Abandon = true, onCompleted: () => RemoveSubObjective(ref findDivingGear)); return; } } if (repeat && IsCloseEnough) { OnCompleted(); return; } if (SteeringManager == PathSteering) { Func <PathNode, bool> nodeFilter = null; if (isInside && !AllowGoingOutside) { nodeFilter = node => node.Waypoint.CurrentHull != null; } PathSteering.SteeringSeek(character.GetRelativeSimPosition(Target), 1, startNodeFilter, endNodeFilter, nodeFilter); } else { SteeringManager.SteeringSeek(character.GetRelativeSimPosition(Target), 10); } if (!insideSteering) { SteeringManager.SteeringAvoid(deltaTime, lookAheadDistance: 5, weight: 1); } } }