add unity behavior package & examples

add behavior tree implementation
2025-04-23 18:10:17 +02:00
parent 4602ff2416
commit a97b3be68a
34 changed files with 3675 additions and 92 deletions
@@ -0,0 +1,10 @@
+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Action : Node
+    {
+        public Action()
+        {
+            
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: cc1cb3b6c7d74fc28fd7b6399bd09156
+timeCreated: 1745423851
@@ -0,0 +1,17 @@
+using System.Collections.Generic;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Composite : Node
+    {
+        public Composite(List<Node> nodes)
+        {
+            _nodes.AddRange(nodes);
+        }
+
+        public Composite(params Node[] nodes)
+        {
+            _nodes.AddRange(nodes);
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 137c1749ac9748599a82996a6a005d54
+timeCreated: 1745423923
@@ -0,0 +1,7 @@
+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Condition : Action
+    {
+        
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: bfc01cdaf36045d3be75ac78fc1f0feb
+timeCreated: 1745424014
@@ -0,0 +1,10 @@
+namespace DefaultNamespace.BehaviorTree
+{
+    public class Decorator : Node
+    {
+        public Decorator(Node node)
+        {
+            _nodes.Add(node);
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8c98374aeec84c929927512d23f6631f
+timeCreated: 1745423985
@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Node
+    {
+        protected List<Node> _nodes = new ();
+
+        public virtual void Start()
+        {
+            
+        }
+
+        public virtual Status Update()
+        {
+            return Status.Failure;
+        }
+
+        public virtual void End()
+        {
+            
+        }
+    }
+
+    public enum Status
+    {
+        Success,
+        Failure,
+        Running,
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 086671579f914f31839c05dbdc541e33
+timeCreated: 1745423564
@@ -0,0 +1,42 @@
+using System;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public class Sequence : Composite
+    {
+        private int _currentIndex;
+        private Node _currentNode;
+
+        public override void Start()
+        {
+            _currentIndex = 0;
+            _currentNode = _nodes == null || _nodes.Count == 0 ? null : _nodes[_currentIndex];
+            
+            _currentNode?.Start();
+        }
+
+        public override Status Update()
+        {
+            if (_currentNode == null) return Status.Failure;
+            
+            Status status = _currentNode.Update();
+
+            switch (status)
+            {
+                case Status.Success:
+                    _currentIndex++;
+                    _currentNode.End();
+                    if (_currentIndex >= _nodes.Count) return Status.Success;
+                    _currentNode = _nodes[_currentIndex];
+                    _currentNode?.Start();
+                    return Status.Running;
+                case Status.Failure:
+                    return Status.Failure;
+                case Status.Running:
+                    return Status.Running;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 817cdc9a926641068ccf01671393272d
+timeCreated: 1745424048
@@ -0,0 +1,25 @@
+using System;
+using UnityEngine;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public class Tree : MonoBehaviour
+    {
+        private Node _rootNode;
+
+        private void OnEnable()
+        {
+            _rootNode?.Start();
+        }
+
+        private void Update()
+        {
+            _rootNode?.Update();
+        }
+
+        private void OnDisable()
+        {
+            _rootNode?.End();
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d2cbbd082c73432ca7bc1d76ac315ebe
+timeCreated: 1745423498