279 lines
9.7 KiB
C#
279 lines
9.7 KiB
C#
using System;
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using System.Linq;
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using Microsoft.Xna.Framework;
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using Barotrauma.Items.Components;
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namespace Barotrauma
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{
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class IndoorsSteeringManager : SteeringManager
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{
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private PathFinder pathFinder;
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private SteeringPath currentPath;
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private bool canOpenDoors;
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private Character character;
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private Vector2 currentTarget;
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private float findPathTimer;
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public SteeringPath CurrentPath
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{
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get { return currentPath; }
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}
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public PathFinder PathFinder
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{
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get { return pathFinder; }
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}
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public Vector2 CurrentTarget
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{
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get { return currentTarget; }
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}
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public IndoorsSteeringManager(ISteerable host, bool canOpenDoors)
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: base(host)
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{
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pathFinder = new PathFinder(WayPoint.WayPointList.FindAll(wp => wp.SpawnType == SpawnType.Path), true);
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pathFinder.GetNodePenalty = GetNodePenalty;
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this.canOpenDoors = canOpenDoors;
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character = (host as AIController).Character;
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findPathTimer = Rand.Range(0.0f, 1.0f);
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}
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public override void Update(float speed = 1)
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{
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base.Update(speed);
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findPathTimer -= 1.0f / 60.0f;
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}
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public void SetPath(SteeringPath path)
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{
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currentPath = path;
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if (path.Nodes.Any()) currentTarget = path.Nodes[path.Nodes.Count - 1].SimPosition;
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findPathTimer = 1.0f;
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}
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protected override Vector2 DoSteeringSeek(Vector2 target, float speed = 1)
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{
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//find a new path if one hasn't been found yet or the target is different from the current target
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if (currentPath == null || Vector2.Distance(target, currentTarget)>1.0f || findPathTimer < -5.0f)
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{
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if (findPathTimer > 0.0f) return Vector2.Zero;
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currentTarget = target;
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Vector2 pos = host.SimPosition;
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if (character != null && character.Submarine == null)
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{
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var targetHull = Hull.FindHull(FarseerPhysics.ConvertUnits.ToDisplayUnits(target), null, false);
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if (targetHull!=null && targetHull.Submarine != null)
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{
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pos -= targetHull.SimPosition;
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}
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}
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currentPath = pathFinder.FindPath(pos, target);
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findPathTimer = Rand.Range(1.0f,1.2f);
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return DiffToCurrentNode();
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}
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Vector2 diff = DiffToCurrentNode();
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if (diff == Vector2.Zero) return -host.Steering;
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return Vector2.Normalize(diff) * speed;
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}
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private Vector2 DiffToCurrentNode()
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{
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if (currentPath == null || currentPath.Finished) return Vector2.Zero;
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if (currentPath.Finished)
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{
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Vector2 pos2 = host.SimPosition;
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if (character != null && character.Submarine == null && CurrentPath.Nodes.Last().Submarine != null)
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{
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//todo: take multiple subs into account
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pos2 -= CurrentPath.Nodes.Last().Submarine.SimPosition;
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}
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return currentTarget-pos2;
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}
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if (canOpenDoors && !character.LockHands) CheckDoorsInPath();
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float allowedDistance = character.AnimController.InWater ? 1.0f : 0.6f;
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if (currentPath.CurrentNode!=null && currentPath.CurrentNode.SimPosition.Y > character.SimPosition.Y+1.0f) allowedDistance*=0.5f;
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Vector2 pos = host.SimPosition;
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if (character != null && currentPath.CurrentNode != null)
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{
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if (CurrentPath.CurrentNode.Submarine != null)
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{
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if (character.Submarine == null)
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{
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pos -= CurrentPath.CurrentNode.Submarine.SimPosition;
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}
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else if (character.Submarine != currentPath.CurrentNode.Submarine)
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{
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pos -= FarseerPhysics.ConvertUnits.ToSimUnits(currentPath.CurrentNode.Submarine.Position-character.Submarine.Position);
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}
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}
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}
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if (currentPath.CurrentNode!= null && currentPath.CurrentNode.Ladders!=null)
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{
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if (character.SelectedConstruction != currentPath.CurrentNode.Ladders.Item && currentPath.CurrentNode.Ladders.Item.IsInsideTrigger(character.WorldPosition))
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{
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currentPath.CurrentNode.Ladders.Item.Pick(character, false, true);
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}
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}
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currentPath.CheckProgress(pos, allowedDistance);
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if (currentPath.CurrentNode == null) return Vector2.Zero;
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var hull = character.AnimController.CurrentHull;
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if (character.AnimController.Anim == AnimController.Animation.Climbing)
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{
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float x = currentPath.CurrentNode.SimPosition.X - pos.X;
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float y = (currentPath.CurrentNode.SimPosition.Y) - pos.Y;
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if (Math.Abs(x) < Math.Abs(y) * 10.0f)
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{
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x = 0.0f;
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}
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else if (character.AnimController.LowestLimb != null && hull != null)
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{
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if (character.AnimController.LowestLimb.Position.Y < hull.Rect.Y - hull.Rect.Height + 10.0f) x = 0.0f;
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}
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character.AnimController.IgnorePlatforms = false;
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return new Vector2(x,y);
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}
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return currentPath.CurrentNode.SimPosition - pos;
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}
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private void CheckDoorsInPath()
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{
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for (int i = 0; i < 2; i++)
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{
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WayPoint node = null;
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WayPoint nextNode = null;
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if (i==0)
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{
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node = currentPath.CurrentNode;
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nextNode = currentPath.NextNode;
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}
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else
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{
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node = currentPath.PrevNode;
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nextNode = currentPath.CurrentNode;
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}
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if (node == null || node.ConnectedGap == null || node.ConnectedGap.ConnectedDoor == null) continue;
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if (nextNode == null) continue;
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var door = node.ConnectedGap.ConnectedDoor;
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bool shouldBeOpen = false;
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if (door.LinkedGap.isHorizontal)
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{
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int currentDir = Math.Sign(nextNode.WorldPosition.X - door.Item.WorldPosition.X);
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shouldBeOpen = (door.Item.WorldPosition.X - character.WorldPosition.X) * currentDir > -50.0f;
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}
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else
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{
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int currentDir = Math.Sign(nextNode.WorldPosition.Y - door.Item.WorldPosition.Y);
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shouldBeOpen = (door.Item.WorldPosition.Y - character.WorldPosition.Y) * currentDir > -80.0f;
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}
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//toggle the door if it's the previous node and open, or if it's current node and closed
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if (door.IsOpen != shouldBeOpen)
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{
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var buttons = door.Item.GetConnectedComponents<Controller>(true);
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Controller closestButton = null;
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float closestDist = 0.0f;
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foreach (Controller controller in buttons)
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{
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float dist = Vector2.Distance(controller.Item.WorldPosition, character.WorldPosition);
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if (dist > controller.Item.PickDistance * 2.0f) continue;
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if (dist < closestDist || closestButton == null)
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{
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closestButton = controller;
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closestDist = dist;
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}
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}
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if (closestButton != null)
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{
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closestButton.Item.Pick(character, false, true);
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break;
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}
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}
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}
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}
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private float? GetNodePenalty(PathNode node, PathNode nextNode)
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{
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if (character == null) return 0.0f;
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if (nextNode.Waypoint.ConnectedGap != null)
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{
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if (nextNode.Waypoint.ConnectedGap.Open > 0.9f) return 0.0f;
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if (nextNode.Waypoint.ConnectedGap.ConnectedDoor == null) return 100.0f;
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if (!canOpenDoors || character.LockHands) return null;
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var doorButtons = nextNode.Waypoint.ConnectedGap.ConnectedDoor.Item.GetConnectedComponents<Controller>();
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if (!doorButtons.Any()) return null;
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foreach (Controller button in doorButtons)
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{
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if (Math.Sign(button.Item.Position.X - nextNode.Waypoint.Position.X) !=
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Math.Sign(node.Position.X - nextNode.Position.X)) continue;
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if (!button.HasRequiredItems(character, false)) return null;
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}
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}
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if (node.Waypoint!=null && node.Waypoint.CurrentHull!=null)
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{
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var hull = node.Waypoint.CurrentHull;
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float penalty = hull.FireSources.Any() ? 1000.0f : 0.0f;
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if (character.NeedsAir && hull.Volume / hull.Rect.Width > 100.0f) penalty += 500.0f;
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if (character.PressureProtection < 10.0f && hull.Volume > hull.FullVolume) penalty += 1000.0f;
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}
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return 0.0f;
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}
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}
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}
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