134 lines
4.4 KiB
C#
134 lines
4.4 KiB
C#
using Microsoft.Xna.Framework;
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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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namespace Barotrauma
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{
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class AIObjectiveFindSafety : AIObjective
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{
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const float SearchHullInterval = 3.0f;
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const float MinSafety = 50.0f;
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AIObjectiveGoTo gotoObjective;
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private List<Hull> unreachable;
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float currenthullSafety;
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float searchHullTimer;
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public AIObjectiveFindSafety(Character character)
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: base(character, "")
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{
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unreachable = new List<Hull>();
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}
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protected override void Act(float deltaTime)
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{
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if (character.AnimController.CurrentHull == null || GetHullSafety(character.AnimController.CurrentHull) > MinSafety)
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{
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character.AIController.SteeringManager.SteeringSeek(character.AnimController.CurrentHull.SimPosition);
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character.AIController.SelectTarget(null);
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gotoObjective = null;
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return;
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}
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if (searchHullTimer>0.0f)
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{
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searchHullTimer -= deltaTime;
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return;
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}
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else
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{
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var pathSteering = character.AIController.SteeringManager as IndoorsSteeringManager;
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Hull bestHull = null;
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float bestValue = currenthullSafety;
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foreach (Hull hull in Hull.hullList)
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{
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if (hull == character.AnimController.CurrentHull) continue;
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if (unreachable.Contains(hull)) continue;
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float hullValue = GetHullSafety(hull);
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hullValue -= (float)Math.Sqrt(Math.Abs(character.Position.X- hull.Position.X));
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hullValue -= (float)Math.Sqrt(Math.Abs(character.Position.Y - hull.Position.Y)*2.0f);
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if (bestHull==null || hullValue > bestValue)
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{
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bestHull = hull;
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bestValue = hullValue;
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}
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}
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if (bestHull != null)
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{
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var path = pathSteering.PathFinder.FindPath(character.SimPosition, bestHull.SimPosition);
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if (pathSteering.CurrentPath != null && pathSteering.CurrentPath.Cost < path.Cost && !pathSteering.CurrentPath.Unreachable && gotoObjective!=null)
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{
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return;
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}
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else
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{
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pathSteering.SetPath(path);
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}
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gotoObjective = new AIObjectiveGoTo(bestHull, character);
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//character.AIController.SelectTarget(bestHull.AiTarget);
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}
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searchHullTimer = SearchHullInterval;
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}
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if (gotoObjective != null)
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{
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var pathSteering = character.AIController.SteeringManager as IndoorsSteeringManager;
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if (pathSteering!=null && pathSteering.CurrentPath!= null &&
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pathSteering.CurrentPath.Unreachable && !unreachable.Contains(gotoObjective.Target))
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{
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unreachable.Add(gotoObjective.Target as Hull);
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}
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}
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gotoObjective.TryComplete(deltaTime);
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}
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public override bool IsDuplicate(AIObjective otherObjective)
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{
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return (otherObjective is AIObjectiveFindSafety);
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}
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public override float GetPriority(Character character)
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{
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if (character.AnimController.CurrentHull == null) return 0.0f;
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currenthullSafety = GetHullSafety(character.AnimController.CurrentHull);
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priority = 100.0f - currenthullSafety;
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return priority;
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}
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private float GetHullSafety(Hull hull)
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{
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float waterPercentage = (hull.Volume / hull.FullVolume)*100.0f;
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float fireAmount = 0.0f;
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foreach (FireSource fireSource in hull.FireSources)
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{
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fireAmount += Math.Max(fireSource.Size.X,50.0f);
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}
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float safety = 100.0f - fireAmount;
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if (waterPercentage > 30.0f) safety -= waterPercentage;
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if (hull.OxygenPercentage < 30.0f) safety -= (30.0f-hull.OxygenPercentage)*3.0f;
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return safety;
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}
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}
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}
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