Complete Cocos Creator port with level bundles, themes, and tooling.

Adds level prefabs, theme assets, audio, extensions, and deployment scripts for the Unity WebGL migration.

Co-authored-by: Cursor <cursoragent@cursor.com>

extensions/level-map-editor/dist/editor-tools.js

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+'use strict';
+
+const TOOLS = ['paint', 'box', 'picker', 'eraser', 'fill'];
+
+const TOOL_LABELS = {
+    paint: '画笔：在网格上点击或拖拽绘制（需先在右侧选瓦片）',
+    box: '框选：拖拽矩形区域，松开后用当前瓦片填满',
+    picker: '吸管：点击已有格子，吸取瓦片为当前画笔',
+    eraser: '橡皮擦：点击或拖拽删除当前层的格子',
+    fill: '油漆桶：填充相连的同类型格子（需先选瓦片）',
+};
+
+const TOOL_CURSORS = {
+    paint: 'crosshair',
+    box: 'crosshair',
+    picker: 'copy',
+    eraser: 'not-allowed',
+    fill: 'cell',
+};
+
+function layerMap(state) {
+    return state.editLayer === 'ground' ? state.config.ground : state.config.border;
+}
+
+function getCell(state, key) {
+    const map = layerMap(state);
+    return map[key];
+}
+
+function hasCell(state, key) {
+    return getCell(state, key) !== undefined;
+}
+
+function removeCell(state, key) {
+    if (state.editLayer === 'ground') delete state.config.ground[key];
+    else delete state.config.border[key];
+}
+
+function setCell(state, key, tileKey) {
+    if (state.editLayer === 'ground') state.config.ground[key] = tileKey;
+    else state.config.border[key] = tileKey;
+}
+
+function canPaintBrush(state) {
+    return state.brush && state.brush.layer === state.editLayer;
+}
+
+function fillRectangle(state, x0, y0, x1, y1, tileKey) {
+    const minX = Math.min(x0, x1);
+    const maxX = Math.max(x0, x1);
+    const minY = Math.min(y0, y1);
+    const maxY = Math.max(y0, y1);
+    let n = 0;
+    for (let x = minX; x <= maxX; x++) {
+        for (let y = minY; y <= maxY; y++) {
+            setCell(state, `${x},${y}`, tileKey);
+            n++;
+        }
+    }
+    return n;
+}
+
+function eraseRectangle(state, x0, y0, x1, y1) {
+    const minX = Math.min(x0, x1);
+    const maxX = Math.max(x0, x1);
+    const minY = Math.min(y0, y1);
+    const maxY = Math.max(y0, y1);
+    let n = 0;
+    for (let x = minX; x <= maxX; x++) {
+        for (let y = minY; y <= maxY; y++) {
+            const key = `${x},${y}`;
+            if (hasCell(state, key)) {
+                removeCell(state, key);
+                n++;
+            }
+        }
+    }
+    return n;
+}
+
+/** 四连通洪水填充（仅当前编辑层） */
+function floodFill(state, startKey, fillTileKey) {
+    const map = layerMap(state);
+    const target = map[startKey];
+    if (target === fillTileKey) return 0;
+    const q = [startKey];
+    const seen = new Set([startKey]);
+    let n = 0;
+    while (q.length) {
+        const key = q.shift();
+        map[key] = fillTileKey;
+        n++;
+        const [xs, ys] = key.split(',');
+        const x = parseInt(xs, 10);
+        const y = parseInt(ys, 10);
+        for (const [nx, ny] of [[x + 1, y], [x - 1, y], [x, y + 1], [x, y - 1]]) {
+            const nk = `${nx},${ny}`;
+            if (seen.has(nk)) continue;
+            const v = map[nk];
+            const same = target === undefined ? v === undefined : v === target;
+            if (!same) continue;
+            seen.add(nk);
+            q.push(nk);
+        }
+    }
+    return n;
+}
+
+/** 洪水清除（橡皮擦油漆桶：删相连同值区域） */
+function floodErase(state, startKey) {
+    const map = layerMap(state);
+    if (map[startKey] === undefined) return 0;
+    const target = map[startKey];
+    const q = [startKey];
+    const seen = new Set([startKey]);
+    let n = 0;
+    while (q.length) {
+        const key = q.shift();
+        delete map[key];
+        n++;
+        const [xs, ys] = key.split(',');
+        const x = parseInt(xs, 10);
+        const y = parseInt(ys, 10);
+        for (const [nx, ny] of [[x + 1, y], [x - 1, y], [x, y + 1], [x, y - 1]]) {
+            const nk = `${nx},${ny}`;
+            if (seen.has(nk) || map[nk] !== target) continue;
+            seen.add(nk);
+            q.push(nk);
+        }
+    }
+    return n;
+}
+
+function findPaletteTile(state, tileKey, layer) {
+    return state.tiles.find((t) => t.tileKey === tileKey && t.layer === layer) || null;
+}
+
+module.exports = {
+    TOOLS,
+    TOOL_LABELS,
+    TOOL_CURSORS,
+    layerMap,
+    getCell,
+    hasCell,
+    removeCell,
+    setCell,
+    canPaintBrush,
+    fillRectangle,
+    eraseRectangle,
+    floodFill,
+    floodErase,
+    findPaletteTile,
+};