Added Behavior Graph asset for AI simulations

2026-04-28 18:33:07 +02:00
parent 8b1a42ed9d
commit 7e2030155c
34 changed files with 4361 additions and 8 deletions
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 4f28c48bd266493dbbd2138cfe7512a9
+timeCreated: 1777392372
@@ -0,0 +1,7 @@
+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Action : Node
+    {
+        
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: a47380a9d61c417fae2871ebb4af4ca9
+timeCreated: 1777392989
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+using System.Collections.Generic;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Composite : Node
+    {
+        protected List<Node> Children;
+        
+        public Composite(List<Node> children)
+        {
+            Children = children;
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 03f624aecf9b4f06907bc2d216d810a7
+timeCreated: 1777393016
@@ -0,0 +1,7 @@
+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Condition : Action
+    {
+        
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 4a21ed8dbd354365a64b54f680885692
+timeCreated: 1777393004
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+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Decorator : Node
+    {
+        protected Node Child;
+
+        public Decorator(Node child)
+        {
+            Child = child;
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 907a63b689ce467d9b544d2cfeb23b50
+timeCreated: 1777393029
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+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Node
+    {
+        public virtual Status OnStart() => Status.Running;
+
+        public virtual void OnEnd()
+        {
+        }
+
+        public virtual Status OnUpdate() => Status.Success;
+    }
+    
+    public enum Status { Success, Failure, Running }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 777a49e04b5645c69db83417be0665a5
+timeCreated: 1777392427
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public class Selector : Composite
+    {
+        private int _currentIndex;
+        private Node _currentNode;
+        
+        public Selector(List<Node> children) : base(children)
+        {
+        }
+
+        public override Status OnStart()
+        {
+            if (Children.Count == 0) return Status.Failure;
+            
+            _currentIndex = 0;
+            _currentNode = Children[_currentIndex];
+            return _currentNode?.OnStart() ?? Status.Failure;
+        }
+
+        public override Status OnUpdate()
+        {
+            Status status = _currentNode?.OnUpdate() ?? Status.Failure;
+
+            switch (status)
+            {
+                case Status.Failure:
+                    _currentNode?.OnEnd();
+                    _currentIndex++;
+                    if (_currentIndex >= Children.Count) return Status.Failure;
+                    _currentNode = Children[_currentIndex];
+                    return _currentNode?.OnStart() ?? Status.Failure;
+                case Status.Success:
+                    _currentNode?.OnEnd();
+                    return Status.Success;
+                case Status.Running:
+                    return Status.Running;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d6125671572a4bdca9faf360d9631007
+timeCreated: 1777393713
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public class Sequence : Composite
+    {
+        private int _currentIndex;
+        private Node _currentNode;
+        
+        public Sequence(List<Node> children) : base(children)
+        {
+        }
+
+        public override Status OnStart()
+        {
+            if (Children.Count == 0) return Status.Failure;
+            
+            _currentIndex = 0;
+            _currentNode = Children[_currentIndex];
+            return _currentNode?.OnStart() ?? Status.Failure;
+        }
+
+        public override Status OnUpdate()
+        {
+            Status status = _currentNode?.OnUpdate() ?? Status.Failure;
+
+            switch (status)
+            {
+                case Status.Success:
+                    _currentNode?.OnEnd();
+                    _currentIndex++;
+                    if (_currentIndex >= Children.Count) return Status.Success;
+                    _currentNode = Children[_currentIndex];
+                    return _currentNode?.OnStart() ?? Status.Failure;
+                case Status.Failure:
+                    _currentNode?.OnEnd();
+                    return Status.Failure;
+                case Status.Running:
+                    return Status.Running;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d710d34ec35547bda535ffd8af159ab1
+timeCreated: 1777393258
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+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace DefaultNamespace.BehaviorTree
+{
+    public class Tree : MonoBehaviour
+    {
+        private Node _rootNode;
+
+        // may be you want to run this tree anyways without looking for
+        // the current state, then throw the ifs away
+        
+        private void OnEnable()
+        {
+            // create first node
+            _rootNode = new Sequence(new List<Node>());
+            //if (_rootNode.OnStart() == Status.Failure) enabled = false;
+            Debug.Log($"Root node status at start: {_rootNode.OnStart()}");
+        }
+
+        private void OnDisable()
+        {
+            _rootNode.OnEnd();
+        }
+        
+        private void Update()
+        {
+            // Status status = _rootNode.OnUpdate();
+            //
+            // switch (status)
+            // {
+            //     case Status.Success:
+            //         break;
+            //     case Status.Failure:
+            //         break;
+            //     case Status.Running:
+            //         break;
+            //     default:
+            //         throw new ArgumentOutOfRangeException();
+            // }
+            
+            Debug.Log($"Root node status at update: {_rootNode.OnUpdate()}");
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: e3ebc182a7db40659155500d45db62e1
+timeCreated: 1777392380
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: e5ef39e2e4dfb470ab8296731bacdbfc
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
@@ -0,0 +1,46 @@
+using System;
+using DefaultNamespace;
+using Unity.Behavior;
+using UnityEngine;
+using Action = Unity.Behavior.Action;
+using Unity.Properties;
+
+[Serializable, GeneratePropertyBag]
+[NodeDescription(name: "Find by Raycast", story: "Find [Target] by raycast from [Agent]", category: "Action/Find", id: "cde581f97d96148705ed557e6d9ef0c0")]
+public partial class FindByRaycastAction : Action
+{
+    [SerializeReference] public BlackboardVariable<GameObject> Target;
+    [SerializeReference] public BlackboardVariable<GameObject> Agent;
+    [SerializeReference] public BlackboardVariable<float> MaxDistance = new(10.0f);
+
+    protected override Status OnStart()
+    {
+        // initialize the node
+        
+        // check variables first
+        if (Agent.Value == null) return Status.Failure;
+        
+        return Status.Running;
+    }
+
+    protected override Status OnUpdate()
+    {
+        // will be called every frame while the node is running
+        Target.Value = null;
+        
+        RaycastHit hit;
+        if (!Physics.Raycast(Agent.Value.transform.position, Agent.Value.transform.forward, out hit, MaxDistance)) return Status.Failure;
+        
+        PlayerController playerController = hit.collider.GetComponent<PlayerController>();
+        if (!playerController) return Status.Failure;
+        
+        Target.Value = playerController.gameObject;
+        return Status.Success;
+    }
+
+    protected override void OnEnd()
+    {
+        // deinitialize the node
+    }
+}
+
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 050a9dc7e793c41e8b67a8485bdc6755
@@ -0,0 +1,27 @@
+using System;
+using Unity.Behavior;
+using UnityEngine;
+
+[Serializable, Unity.Properties.GeneratePropertyBag]
+[Condition(name: "GameObject Null", story: "[Target] [is] null", category: "Conditions", id: "6bc7c2e1cf9d2d4a14b5c3ac1b47da1d")]
+public partial class GameObjectNullCondition : Condition
+{
+    [SerializeReference] public BlackboardVariable<GameObject> Target;
+    [Comparison(comparisonType: ComparisonType.Boolean)]
+    [SerializeReference] public BlackboardVariable<ConditionOperator> Is;
+
+    public override bool IsTrue()
+    {
+        if (Target.Value == null && Is.Value == ConditionOperator.Equal) return true;
+        if (Target.Value != null && Is.Value == ConditionOperator.NotEqual) return true;
+        return false;
+    }
+
+    public override void OnStart()
+    {
+    }
+
+    public override void OnEnd()
+    {
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 2de8640b1b5a34a6aa6e88a233a1f2dc