示例#1
0
        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();
                }
            }
        }
示例#2
0
        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);
                }
            }
        }