添加根据数据创建行为树的方法

src/behaviortree/Factory.ts

@@ -0,0 +1,71 @@
+/**
+ * @Author: Gongxh
+ * @Date: 2025-09-16
+ * @Description: 根据数据创建一颗行为树
+ */
+
+import { BehaviorTree } from "./BehaviorTree";
+import { BT } from "./BT";
+import { IBTNode } from "./BTNode/BTNode";
+
+interface INodeConfig {
+    id: string,
+    className: string,
+    parameters: Record<string, any>,
+    children: string[]
+}
+
+/**
+ * 根据节点配置递归创建节点
+ * @param info 节点配置
+ * @param nodeMap 所有节点配置的映射表
+ * @returns 创建的节点实例
+ */
+function createNodeRecursively(info: INodeConfig, nodeMap: Map<string, INodeConfig>): IBTNode {
+    // 获取节点构造函数
+    const ctor = BT.getNodeConstructor(info.className);
+    if (!ctor) {
+        throw new Error(`未找到节点【${info.className}】的构造函数`);
+    }
+
+    // 递归创建子节点
+    const childNodes: IBTNode[] = [];
+    for (const childId of info.children || []) {
+        const childInfo = nodeMap.get(childId);
+        if (!childInfo) {
+            throw new Error(`未找到子节点【${childId}】，行为树配置导出信息错误`);
+        }
+        const childNode = createNodeRecursively(childInfo, nodeMap);
+        childNodes.push(childNode);
+    }
+
+    // 创建节点实例
+    let btnode: IBTNode;
+    const metadata = BT.getNodeMetadata(ctor);
+    if (metadata.type === BT.Type.Action || metadata.type === BT.Type.Condition) {
+        btnode = new ctor();
+    } else if (metadata.type === BT.Type.Decorator) {
+        btnode = new ctor(childNodes[0]!);
+    } else {
+        btnode = new ctor(...childNodes);
+    }
+    // 设置节点参数
+    for (const key in info.parameters) {
+        (btnode as any)[key] = info.parameters[key];
+    }
+    return btnode;
+}
+
+export function createBehaviorTree<T>(config: INodeConfig[], entity: T): BehaviorTree<T> {
+    // 验证配置
+    if (!config || !Array.isArray(config) || config.length === 0) {
+        throw new Error("Config is empty or invalid");
+    }
+
+    // 创建配置映射表
+    const nodeMap = new Map<string, INodeConfig>();
+    for (const info of config) {
+        nodeMap.set(info.id, info);
+    }
+    return new BehaviorTree(entity, createNodeRecursively(config[0]!, nodeMap));
+}