Fix exception thrown by children.ChildContainers in VisualTask when calling AddDivider.

Add support for displaying BehaviorTree elements inside arrays.

Author: bianjingshiyi

Assets/Samples/BehaviorTreeList.cs

@@ -0,0 +1,21 @@
+using CleverCrow.Fluid.BTs.Trees;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace CleverCrow.Fluid.BTs.Samples
+{
+    public class BehaviorTreeList : MonoBehaviour
+    {
+        protected void Awake()
+        {
+            for (int i = 0; i < 3; i++)
+            {
+                trees.Add(new BehaviorTreeBuilder(gameObject).Name($"Tree{i}").Sequence()
+                    .WaitTime(1)
+                    .ReturnSuccess()
+                .End().Build());
+            }
+        }
+        public List<BehaviorTree> trees = new List<BehaviorTree>();
+    }
+}

Assets/Samples/BehaviorTreeList.cs.meta

@@ -38,12 +38,11 @@ RenderSettings:
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   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0, g: 0, b: 0, a: 1}
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@@ -98,13 +97,13 @@ LightmapSettings:
     m_TrainingDataDestination: TrainingData
     m_LightProbeSampleCountMultiplier: 4
   m_LightingDataAsset: {fileID: 0}
-  m_UseShadowmask: 1
+  m_LightingSettings: {fileID: 1443705540}
 --- !u!196 &4
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   m_ObjectHideFlags: 0
   m_BuildSettings:
-    serializedVersion: 2
+    serializedVersion: 3
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     agentRadius: 0.5
     agentHeight: 2
@@ -117,7 +116,9 @@ NavMeshSettings:
     cellSize: 0.16666667
     manualTileSize: 0
     tileSize: 256
-    accuratePlacement: 0
+    buildHeightMesh: 0
+    maxJobWorkers: 0
+    preserveTilesOutsideBounds: 0
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@@ -197,6 +198,7 @@ Light:
   m_UseColorTemperature: 0
   m_BoundingSphereOverride: {x: 0, y: 0, z: 0, w: 0}
   m_UseBoundingSphereOverride: 0
+  m_UseViewFrustumForShadowCasterCull: 1
   m_ShadowRadius: 0
   m_ShadowAngle: 0
 --- !u!4 &294120168
@@ -206,12 +208,13 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 294120166}
+  serializedVersion: 2
   m_LocalRotation: {x: 0.40821788, y: -0.23456968, z: 0.10938163, w: 0.8754261}
   m_LocalPosition: {x: 0, y: 3, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 50, y: -30, z: 0}
 --- !u!1 &322793818
 GameObject:
@@ -253,9 +256,17 @@ Camera:
   m_projectionMatrixMode: 1
   m_GateFitMode: 2
   m_FOVAxisMode: 0
+  m_Iso: 200
+  m_ShutterSpeed: 0.005
+  m_Aperture: 16
+  m_FocusDistance: 10
+  m_FocalLength: 50
+  m_BladeCount: 5
+  m_Curvature: {x: 2, y: 11}
+  m_BarrelClipping: 0.25
+  m_Anamorphism: 0
   m_SensorSize: {x: 36, y: 24}
   m_LensShift: {x: 0, y: 0}
-  m_FocalLength: 50
   m_NormalizedViewPortRect:
     serializedVersion: 2
     x: 0
@@ -289,12 +300,13 @@ Transform:
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   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 322793818}
+  serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 1, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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 GameObject:
@@ -333,12 +345,13 @@ Transform:
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   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 343368638}
+  serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 2
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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@@ -369,18 +382,137 @@ MonoBehaviour:
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   m_Name: 
   m_EditorClassIdentifier: 
-  _toggle: 0
+  _isTaskSuccess: 0
 --- !u!4 &533478366
 Transform:
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   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 533478364}
+  serializedVersion: 2
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children: []
+  m_Father: {fileID: 0}
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!850595691 &1443705540
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+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: Settings.lighting
+  serializedVersion: 6
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+  m_EnableRealtimeLightmaps: 1
+  m_RealtimeEnvironmentLighting: 1
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+  m_BakeResolution: 40
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+  m_TrainingDataDestination: TrainingData
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+  m_ForceUpdates: 0
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+  m_PVRSampleCount: 512
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+  m_PVRFilteringAtrousPositionSigmaIndirect: 2
+  m_PVRFilteringAtrousPositionSigmaAO: 1
+  m_PVRTiledBaking: 0
+  m_NumRaysToShootPerTexel: -1
+  m_RespectSceneVisibilityWhenBakingGI: 0
+--- !u!1 &1786752064
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 1786752065}
+  - component: {fileID: 1786752066}
+  m_Layer: 0
+  m_Name: BehaviorTreeList
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &1786752065
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+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
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   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 3
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!114 &1786752066
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+  m_CorrespondingSourceObject: {fileID: 0}
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+  - {fileID: 1786752065}

Assets/Samples/TreeSample.unity

@@ -1,21 +1,63 @@
+using System;
+using System.Collections.Generic;
+using Unity.Properties;
 using UnityEditor;
 using UnityEngine;
 
-namespace CleverCrow.Fluid.BTs.Trees.Editors {
+namespace CleverCrow.Fluid.BTs.Trees.Editors
+{
     [CustomPropertyDrawer(typeof(BehaviorTree))]
-    public class BehaviorTreeDrawer : PropertyDrawer {
-        public override void OnGUI (Rect position, SerializedProperty property, GUIContent label) {
+    public class BehaviorTreeDrawer : PropertyDrawer
+    {
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {
             EditorGUI.BeginProperty(position, label, property);
-            
+
             position = EditorGUI.PrefixLabel(position, GUIUtility.GetControlID(FocusType.Passive), label);
             GUI.enabled = Application.isPlaying;
-            if (GUI.Button(position, "View Tree")) {
-                var tree = fieldInfo.GetValue(property.serializedObject.targetObject) as IBehaviorTree;
-                BehaviorTreeWindow.ShowTree(tree, tree.Name ?? property.displayName);
+            if (GUI.Button(position, "View Tree"))
+            {
+                object value = fieldInfo.GetValue(property.serializedObject.targetObject);
+                if (value is IBehaviorTree tree)
+                {
+                    BehaviorTreeWindow.ShowTree(tree, tree.Name ?? property.displayName);
+                }
+                else if (value is IList<BehaviorTree> list)
+                {
+                    if (TryGetArrayIndex(property.propertyPath, out int index) && list[index] is IBehaviorTree childTree)
+                    {
+                        BehaviorTreeWindow.ShowTree(childTree, childTree.Name ?? property.displayName);
+                    }
+                }
             }
             GUI.enabled = true;
-            
+
             EditorGUI.EndProperty();
         }
+        private bool TryGetArrayIndex(string path, out int index)
+        {
+            const string arrayData = ".Array.data[";
+            int arrayIndex = path.IndexOf(arrayData, StringComparison.Ordinal);
+            if (arrayIndex < 0)
+            {
+                index = -1;
+                return false;
+            }
+
+            arrayIndex += arrayData.Length;
+            int endIndex = path.IndexOf("]", arrayIndex, StringComparison.Ordinal);
+            if (endIndex < 0)
+            {
+                index = -1;
+                return false;
+            }
+
+            string indexStr = path.Substring(arrayIndex, endIndex - arrayIndex);
+            if (int.TryParse(indexStr, out index))
+                return true;
+
+            index = -1;
+            return false;
+        }
     }
 }