feat: 支持自动寻路算法

2025-09-21 21:31:54 +08:00
parent 35cfabb66b
commit d6aa74cb9d
10 changed files with 1003 additions and 90 deletions
--- a/assets/scripts/PathfindingTest.ts
+++ b/assets/scripts/PathfindingTest.ts
@@ -0,0 +1,152 @@
+import { _decorator, Component, Node, TiledMap, Vec3, Label, input, Input, EventTouch } from 'cc';
+import { TiledMapPathfinder } from './TiledMapPathfinder';
+const { ccclass, property } = _decorator;
+
+@ccclass('PathfindingTest')
+export class PathfindingTest extends Component {
+
+    @property(TiledMap)
+    tiledMap: TiledMap | null = null;
+
+    @property(Node)
+    startPoint: Node | null = null;
+
+    @property(Node)
+    endPoint: Node | null = null;
+
+    @property(Label)
+    infoLabel: Label | null = null;
+
+    private pathfinder: TiledMapPathfinder | null = null;
+    private currentPath: Vec3[] = [];
+
+    onLoad() {
+        input.on(Input.EventType.TOUCH_START, this.onTouch, this);
+    }
+
+    onDestroy() {
+        input.off(Input.EventType.TOUCH_START, this.onTouch, this);
+    }
+
+    start() {
+        this.initializePathfinder();
+        this.runTests();
+    }
+
+    private initializePathfinder() {
+        if (!this.tiledMap) {
+            console.error('TiledMap未设置');
+            return;
+        }
+
+        this.pathfinder = this.tiledMap.node.getComponent(TiledMapPathfinder);
+        if (!this.pathfinder) {
+            this.pathfinder = this.tiledMap.node.addComponent(TiledMapPathfinder);
+            this.pathfinder.tiledMap = this.tiledMap;
+            this.pathfinder.walkableLayerName = 'WalkableLayer';
+            this.pathfinder.tileSize = 32;
+        }
+    }
+
+    private runTests() {
+        if (!this.pathfinder) {
+            console.error('寻路器未初始化');
+            return;
+        }
+
+        // 等待一帧让寻路器完全初始化
+        this.scheduleOnce(() => {
+            this.performPathfindingTest();
+        }, 0.1);
+    }
+
+    private performPathfindingTest() {
+        if (!this.pathfinder || !this.startPoint || !this.endPoint) {
+            console.error('测试组件未完整设置');
+            return;
+        }
+
+        const startPos = this.startPoint.position;
+        const endPos = this.endPoint.position;
+
+        console.log(`测试寻路: 从 (${startPos.x}, ${startPos.y}) 到 (${endPos.x}, ${endPos.y})`);
+
+        // 检查位置是否可行走
+        const startWalkable = this.pathfinder.isWorldPositionWalkable(startPos);
+        const endWalkable = this.pathfinder.isWorldPositionWalkable(endPos);
+
+        console.log(`起点可行走: ${startWalkable}, 终点可行走: ${endWalkable}`);
+
+        // 如果位置不可行走，寻找最近的可行走位置
+        let adjustedStartPos = startPos;
+        let adjustedEndPos = endPos;
+
+        if (!startWalkable) {
+            const closestStart = this.pathfinder.getClosestWalkablePosition(startPos);
+            if (closestStart) {
+                adjustedStartPos = closestStart;
+                console.log(`调整起点到: (${adjustedStartPos.x}, ${adjustedStartPos.y})`);
+            }
+        }
+
+        if (!endWalkable) {
+            const closestEnd = this.pathfinder.getClosestWalkablePosition(endPos);
+            if (closestEnd) {
+                adjustedEndPos = closestEnd;
+                console.log(`调整终点到: (${adjustedEndPos.x}, ${adjustedEndPos.y})`);
+            }
+        }
+
+        // 执行寻路
+        this.currentPath = this.pathfinder.findPath(adjustedStartPos, adjustedEndPos);
+
+        if (this.currentPath.length > 0) {
+            console.log(`找到路径，包含 ${this.currentPath.length} 个点:`);
+            this.currentPath.forEach((point, index) => {
+                console.log(`  路径点 ${index}: (${point.x.toFixed(2)}, ${point.y.toFixed(2)})`);
+            });
+
+            this.updateInfoLabel(`路径找到！包含 ${this.currentPath.length} 个点`);
+        } else {
+            console.log('未找到路径');
+            this.updateInfoLabel('未找到路径');
+        }
+    }
+
+    private onTouch(event: EventTouch) {
+        // 可以通过触摸来动态测试寻路
+        if (!this.pathfinder || !this.startPoint) return;
+
+        const touchLocation = event.getUILocation();
+        // 这里可以添加触摸点寻路测试的逻辑
+    }
+
+    private updateInfoLabel(text: string) {
+        if (this.infoLabel) {
+            this.infoLabel.string = text;
+        }
+    }
+
+    // 公共方法供外部调用测试
+    public testPathfinding(startWorldPos: Vec3, endWorldPos: Vec3): Vec3[] {
+        if (!this.pathfinder) {
+            console.error('寻路器未初始化');
+            return [];
+        }
+
+        return this.pathfinder.findPath(startWorldPos, endWorldPos);
+    }
+
+    // 获取当前找到的路径
+    public getCurrentPath(): Vec3[] {
+        return this.currentPath.slice(); // 返回副本
+    }
+
+    // 检查位置是否可行走
+    public isPositionWalkable(worldPos: Vec3): boolean {
+        if (!this.pathfinder) {
+            return false;
+        }
+        return this.pathfinder.isWorldPositionWalkable(worldPos);
+    }
+}