Human AI with pathfinding and room hazard avoidance

2015-11-23 01:22:38 +02:00
parent 77024a31fb
commit c456fa3c90
32 changed files with 665 additions and 126 deletions
@@ -0,0 +1,89 @@
+using FarseerPhysics;
+using Microsoft.Xna.Framework;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Barotrauma
+{
+    class HumanAIController : AIController
+    {
+        const float UpdateObjectiveInterval = 0.5f;
+
+        private AIObjectiveManager objectiveManager;
+
+        private AITarget selectedAiTarget;
+
+        private float updateObjectiveTimer;
+
+        public HumanAIController(Character c) : base(c)
+        {
+            steeringManager = new PathSteeringManager(this);
+
+            objectiveManager = new AIObjectiveManager(c);
+            objectiveManager.AddObjective(new AIObjectiveFindSafety());
+        }
+
+        public override void Update(float deltaTime)
+        {
+            if (updateObjectiveTimer>0.0f)
+            {
+                updateObjectiveTimer -= deltaTime;
+            }
+            else
+            {
+                objectiveManager.UpdateObjectives();
+                updateObjectiveTimer = UpdateObjectiveInterval;
+            }
+
+            objectiveManager.DoCurrentObjective(deltaTime);
+
+            //if (Character.Controlled != null)
+            //{
+            //    steeringManager.SteeringSeek(Character.Controlled.Position);
+            //}
+
+            Character.AnimController.IgnorePlatforms = (-Character.AnimController.TargetMovement.Y > Math.Abs(Character.AnimController.TargetMovement.X));
+
+            if (Math.Abs(Character.AnimController.TargetMovement.X)>0.1f)
+            {
+                Character.AnimController.TargetDir = Character.AnimController.TargetMovement.X > 0.0f ? Direction.Right : Direction.Left;
+            }
+
+            steeringManager.Update();
+        }
+
+        public override void SelectTarget(AITarget target)
+        {
+            selectedAiTarget = target;
+        }
+
+        public override void DebugDraw(Microsoft.Xna.Framework.Graphics.SpriteBatch spriteBatch)
+        {
+
+            if (selectedAiTarget != null)
+            {
+                GUI.DrawLine(spriteBatch, new Vector2(Character.Position.X, -Character.Position.Y), ConvertUnits.ToDisplayUnits(new Vector2(selectedAiTarget.Position.X, -selectedAiTarget.Position.Y)), Color.Red);
+            }
+
+            PathSteeringManager pathSteering = steeringManager as PathSteeringManager;
+            if (pathSteering == null || pathSteering.CurrentPath == null || pathSteering.CurrentPath.CurrentNode==null) return;
+
+            GUI.DrawLine(spriteBatch,
+                new Vector2(Character.Position.X, -Character.Position.Y),
+                new Vector2(pathSteering.CurrentPath.CurrentNode.Position.X, -pathSteering.CurrentPath.CurrentNode.Position.Y),
+                Color.LightGreen);
+
+
+            for (int i = 1; i < pathSteering.CurrentPath.Nodes.Count; i++)
+            {
+                GUI.DrawLine(spriteBatch,
+                    new Vector2(pathSteering.CurrentPath.Nodes[i].Position.X, -pathSteering.CurrentPath.Nodes[i].Position.Y),
+                    new Vector2(pathSteering.CurrentPath.Nodes[i - 1].Position.X, -pathSteering.CurrentPath.Nodes[i-1].Position.Y),
+                    Color.LightGreen);
+            }
+
+        }
+    }
+}