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 +1,3 @@
+fileFormatVersion: 2
+guid: 0e73928b0a104233917799d1897dd859
+timeCreated: 1745423479
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+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Action : Node
+    {
+        public Action()
+        {
+            
+        }
+    }
+}
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+fileFormatVersion: 2
+guid: cc1cb3b6c7d74fc28fd7b6399bd09156
+timeCreated: 1745423851
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+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
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+namespace DefaultNamespace.BehaviorTree
+{
+    public abstract class Condition : Action
+    {
+        
+    }
+}
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+fileFormatVersion: 2
+guid: bfc01cdaf36045d3be75ac78fc1f0feb
+timeCreated: 1745424014
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+namespace DefaultNamespace.BehaviorTree
+{
+    public class Decorator : Node
+    {
+        public Decorator(Node node)
+        {
+            _nodes.Add(node);
+        }
+    }
+}
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8c98374aeec84c929927512d23f6631f
+timeCreated: 1745423985
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+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
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+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
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+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
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+fileFormatVersion: 2
+guid: 90aacf97469f84a1ba368dd1edaf400d
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
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+using System;
+using DefaultNamespace;
+using DefaultNamespace.FSM;
+using Unity.Behavior;
+using UnityEngine;
+using Action = Unity.Behavior.Action;
+using Unity.Properties;
+
+[Serializable, GeneratePropertyBag]
+[NodeDescription(name: "Find Player Controller By Raycast", story: "Find [Target] by Raycast from [Agent]", category: "Action/Find", id: "e2b3bc47cdb71b5678009c1d431fc68b")]
+public partial class FindPlayerControllerByRaycastAction : Action
+{
+    [SerializeReference] public BlackboardVariable<GameObject> Target;
+    [SerializeReference] public BlackboardVariable<GameObject> Agent;
+    [SerializeReference] public BlackboardVariable<float> MaxDistance = new(100);
+
+    protected override Status OnStart()
+    {
+        // setup node
+        // Target.Value = null;
+        
+        // check initial values
+        if (Agent.Value == null) return Status.Failure;
+        
+        return Status.Running;
+    }
+
+    protected override Status OnUpdate()
+    {
+        if (Physics.Raycast(Agent.Value.transform.position, Agent.Value.transform.forward, out RaycastHit hit,
+                MaxDistance))
+        {
+            if (hit.transform.GetComponent<PlayerController>() != null)
+            {
+                Target.Value = hit.transform.gameObject;
+                return Status.Success;
+            }
+        }
+        
+        Target.Value = null;
+        return Status.Failure;
+    }
+
+    protected override void OnEnd()
+    {
+    }
+}
+
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+fileFormatVersion: 2
+guid: 6a08b2b3e631346b2b155982df199f9a
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+using System;
+using Unity.Behavior;
+using UnityEngine;
+
+[Serializable, Unity.Properties.GeneratePropertyBag]
+[Condition(name: "GameObject is Null", story: "[Object] is [IsNull] null", category: "Variable Conditions", id: "9be617c0444353affee2f412e94ae715")]
+public partial class GameObjectNullCondition : Condition
+{
+    [SerializeReference] public BlackboardVariable<GameObject> Object;
+    [SerializeReference] public BlackboardVariable<bool> IsNull;
+
+    public override bool IsTrue()
+    {
+        return (Object.Value == null && IsNull) || (Object.Value != null && !IsNull);
+    }
+
+    public override void OnStart()
+    {
+    }
+
+    public override void OnEnd()
+    {
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 534847d817af848138303989d8adde9b