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assets/scripts/level/LevelTileSync.ts

@@ -16,16 +16,29 @@ function ensureLayer(root: Node, name: 'Ground' | 'Border'): Node {
     return layer;
 }
 
-function ensureTile(layer: Node, layerKind: 'ground' | 'border', x: number, y: number): Node {
+/** 砖块可能在 Tiles（排序合并后）；优先 Tiles 避免在 Ground/Border 重复创建 */
+function findTileNode(levelRoot: Node, layerKind: 'ground' | 'border', x: number, y: number): Node | null {
     const nodeName = tileNodeName(layerKind, x, y);
-    let node = layer.getChildByName(nodeName);
-    if (!node) {
-        node = new Node(nodeName);
-        node.parent = layer;
-        node.layer = UI_LAYER;
-        node.addComponent(UITransform);
-        node.addComponent(Sprite);
+    for (const parentName of ['Tiles', 'Ground', 'Border'] as const) {
+        const parent = levelRoot.getChildByName(parentName);
+        const node = parent?.getChildByName(nodeName) ?? null;
+        if (node?.isValid) return node;
     }
+    return null;
+}
+
+function ensureTile(levelRoot: Node, layer: Node, layerKind: 'ground' | 'border', x: number, y: number): Node {
+    const existing = findTileNode(levelRoot, layerKind, x, y);
+    if (existing) {
+        existing.active = true;
+        return existing;
+    }
+    const nodeName = tileNodeName(layerKind, x, y);
+    const node = new Node(nodeName);
+    node.parent = layer;
+    node.layer = UI_LAYER;
+    node.addComponent(UITransform);
+    node.addComponent(Sprite);
     node.active = true;
     return node;
 }
@@ -41,13 +54,13 @@ export function syncTileNodesFromConfig(levelRoot: Node, config: LevelConfig): n
     for (const key of wantGround) {
         const p = parseCellKey(key);
         if (!p) continue;
-        ensureTile(ground, 'ground', p.x, p.y);
+        ensureTile(levelRoot, ground, 'ground', p.x, p.y);
         n++;
     }
     for (const key of wantBorder) {
         const p = parseCellKey(key);
         if (!p) continue;
-        ensureTile(border, 'border', p.x, p.y);
+        ensureTile(levelRoot, border, 'border', p.x, p.y);
         n++;
     }