152 lines
4.8 KiB
C#
152 lines
4.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Microsoft.Xna.Framework;
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using FarseerPhysics;
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using Barotrauma.Items.Components;
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namespace Barotrauma
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{
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class PathSteeringManager : SteeringManager
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{
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private PathFinder pathFinder;
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private SteeringPath currentPath;
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private Character character;
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private List<Controller> openableButtons;
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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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private Vector2 currentTarget;
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private float findPathTimer;
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public PathSteeringManager(ISteerable host)
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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.GetNodePriority = GetNodePriority;
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character = (host as AIController).Character;
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openableButtons = new List<Controller>();
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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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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.DistanceSquared(target, currentTarget)>10.0f)
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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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currentPath = pathFinder.FindPath(host.SimPosition, ConvertUnits.ToSimUnits(target));
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findPathTimer = 1.0f;
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return DiffToCurrentNode();
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}
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//if (pathSteering == null || pathSteering.CurrentPath == null || pathSteering.CurrentPath.CurrentNode == null) return;
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//if (currentPath.CurrentNode.ConnectedGap != null && currentPath.CurrentNode.ConnectedGap.Open < 0.9f)
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//{
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foreach (Controller controller in openableButtons)
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{
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if (Vector2.Distance(controller.Item.SimPosition, character.SimPosition) > controller.Item.PickDistance) continue;
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controller.Item.Pick(character, false, true);
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}
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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 (diff == Vector2.Zero) ? Vector2.Zero : 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) return Vector2.Zero;
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currentPath.CheckProgress(host.SimPosition, 0.45f);
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if (currentPath.CurrentNode == null) return Vector2.Zero;
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return currentPath.CurrentNode.SimPosition - host.SimPosition;
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}
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private float GetNodePriority(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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var doorButtons = GetDoorButtons(nextNode.Waypoint.ConnectedGap.ConnectedDoor);
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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 1000.0f;
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}
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}
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return 0.0f;
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}
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private List<Controller> GetDoorButtons(Door door)
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{
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if (door == null) return new List<Controller>();
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ConnectionPanel connectionPanel = door.Item.GetComponent<ConnectionPanel>();
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List<Controller> doorButtons = new List<Controller>();
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foreach (Connection c in connectionPanel.Connections)
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{
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foreach (Wire w in c.Wires)
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{
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if (w == null) continue;
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var otherConnection = w.OtherConnection(c);
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if (otherConnection.Item == door.Item || otherConnection == null) continue;
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var controller = otherConnection.Item.GetComponent<Controller>();
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if (controller != null)
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{
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doorButtons.Add(controller);
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if (!openableButtons.Contains(controller)) openableButtons.Add(controller);
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}
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}
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}
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return doorButtons;
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}
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}
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}
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