(client) feat:完成实体生成函数，修复行为树加载错误，改进Define打印缩进

Client/Assets/Scripts/Data/PawnDefine.cs

@@ -17,6 +17,7 @@ namespace Data
             drawingOrder_right;
 
         public BehaviorTreeDef behaviorTree;
+        public AffiliationDef affiliation;
         
         
         public DrawingOrderDef GetDrawingOrder(Orientation orientation)
@@ -60,29 +61,38 @@ namespace Data
     public class BehaviorTreeDef : Define
     {
         public BehaviorTreeDef[] childTree;
-        public string className;
+        public string className="Selector";
+        public string condition;
+        
         
         public override bool Init(XElement xmlDef)
         {
             base.Init(xmlDef);
 
+            // 从当前节点获取className和condition属性
+            className = xmlDef.Attribute("className")?.Value ?? className;
+            condition = xmlDef.Attribute("condition")?.Value;
+
             var nodes = xmlDef.Elements("Node");
-            var xElements = nodes as XElement[] ?? nodes.ToArray();
-            if (!xElements.Any())
-                return false;
+            if (!nodes.Any())
+                return true; // 没有子节点也是有效的
             
-            className = xmlDef.Attribute("className")?.Value;
             List<BehaviorTreeDef> children = new();
-            foreach (var node in xElements)
+            foreach (var node in nodes)
             {
                 var childNode = new BehaviorTreeDef();
-                childNode.Init(node);
+                if (!childNode.Init(node))
+                    return false;
                 children.Add(childNode);
             }
 
             childTree = children.ToArray();
-
             return true;
         }
     }
+
+    public class AffiliationDef : Define
+    {
+        
+    }
 }