add unity behavior tree package & examples

add start of own implementation of a behavior tree
2025-04-23 12:33:28 +02:00
parent 8a01366c35
commit d9fb5ee7bc
19 changed files with 232 additions and 17 deletions
@@ -0,0 +1,42 @@
+using System;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public class Sequence : Composite
+    {
+        protected int _currentIndex;
+        protected Node _currentNode;
+
+        public override void Start()
+        {
+            _currentIndex = 0;
+            _currentNode = _currentIndex >= _nodes.Count ? null : _nodes[_currentIndex];
+            _currentNode?.Start();
+        }
+
+        public override Status Update()
+        {
+            if (_currentNode == null) return Status.Failure;
+            
+            Status status = _currentNode.Update();
+
+            switch (status)
+            {
+                case Status.Success:
+                    _currentNode.End();
+                    _currentIndex++;
+                    if (_currentIndex >= _nodes.Count) return Status.Success;
+                    _currentNode = _nodes[_currentIndex];
+                    _currentNode.Start();
+                    return Status.Running;
+                case Status.Failure:
+                    _currentNode.End();
+                    return Status.Failure;
+                case Status.Running:
+                    return Status.Running;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+    }
+}