保存强化版提升前的主版本工作区

wechat-campaign-200-r2/src/bright-classroom/board-renderer.mjs

@@ -219,15 +219,19 @@ export function renderBrightBoard(ctx,level,path,width,height,{now=Date.now(),pr
     return scene;
 }
 
+const hintGeometryCache=new WeakMap();
 export function hintGeometry(scene,path,route){
     if(!scene)return {};
+    const key=JSON.stringify([path,route,preferences.reducedMotion]),cached=hintGeometryCache.get(scene);
+    if(cached?.key===key&&cached.keepouts===scene.keepouts)return cached.value;
     const guides=[];
     for(let i=0;i<route.length-1;i++){
         const a=scene.byId.get(route[i]),b=scene.byId.get(route[i+1]),edge=edgeFor(scene,route[i],route[i+1]);
         if(!a||!b||!edge)continue;
         guides.push({a:route[i],b:route[i+1],points:[...interiorGuide(a,a.center,edge.entry,scene),...interiorGuide(b,edge.entry,b.center,scene).slice(1)]});
     }
-    return {guides,keepouts:scene.keepouts,visitedShapes:scene.cells.filter(g=>path.includes(g.cell.id)).map(g=>({rings:g.rings,radius:g.radius,depth:scene.depth,maskPad:clamp(3,scene.pitch*.065,7)+1})),reducedMotion:preferences.reducedMotion};
+    const value={guides,keepouts:scene.keepouts,visitedShapes:scene.cells.filter(g=>path.includes(g.cell.id)).map(g=>({rings:g.rings,radius:g.radius,depth:scene.depth,maskPad:clamp(3,scene.pitch*.065,7)+1})),reducedMotion:preferences.reducedMotion};
+    hintGeometryCache.set(scene,{key,keepouts:scene.keepouts,value});return value;
 }
 
 function drawCheckpointRibbons(ctx,scene,now){

wechat-campaign-200-r2/src/hints.mjs

@@ -61,9 +61,25 @@ export function drawHint(ctx,hint,centers,unit,elapsed,playerPath=[]){
     ctx.restore();
 }
 
-function drawGeometryHint(ctx,hint,unit,elapsed,path){
+const preparedHints=new WeakMap();
+export function prepareHintMotion(hint,unit,path){
+    const key=JSON.stringify([unit,path]),cached=preparedHints.get(hint.guides);
+    if(cached?.key===key)return cached.value;
     const covered=(a,b)=>path.some((id,i)=>i>0&&((path[i-1]===a&&id===b)||(path[i-1]===b&&id===a)));
     const guides=hint.guides.filter(g=>!covered(g.a,g.b)),runs=smoothHintRuns(guides,unit*.16),width=Math.max(4,Math.min(8,unit*.12));
+    let total=0;
+    const segments=runs.flatMap(points=>points.slice(1).map((b,i)=>({a:points[i],b,length:distance(points[i],b)}))).filter(s=>s.length>.01).map(s=>({...s,start:total,end:total+=s.length}));
+    const value={guides,runs,width,segments,total};preparedHints.set(hint.guides,{key,value});return value;
+}
+export function hintPointAt(motion,at){
+    const {segments}=motion;if(!segments.length)return null;
+    let low=0,high=segments.length-1;
+    while(low<high){const mid=(low+high)>>1;if(segments[mid].end<at)low=mid+1;else high=mid;}
+    const segment=segments[low],t=Math.max(0,Math.min(1,(at-segment.start)/segment.length));
+    return {segment,x:segment.a[0]+(segment.b[0]-segment.a[0])*t,y:segment.a[1]+(segment.b[1]-segment.a[1])*t};
+}
+function drawGeometryHint(ctx,hint,unit,elapsed,path){
+    const motion=prepareHintMotion(hint,unit,path),{guides,runs,width,total}=motion;
     ctx.save();ctx.lineCap='round';ctx.lineJoin='round';
     if(hint.reducedMotion)ctx.setLineDash([7,5]);
     const draw=(color,w)=>{ctx.strokeStyle=color;ctx.lineWidth=w;for(const points of runs){if(!points.length)continue;ctx.beginPath();ctx.moveTo(...points[0]);for(const p of points.slice(1))ctx.lineTo(...p);ctx.stroke();}};
@@ -74,20 +90,17 @@ function drawGeometryHint(ctx,hint,unit,elapsed,path){
     ctx.globalAlpha=.28;draw(C.hintRibbonLight,width*.48);ctx.globalAlpha=1;
     ctx.setLineDash([]);
     if(!hint.reducedMotion){
-        const segments=runs.flatMap(points=>points.slice(1).map((b,i)=>({a:points[i],b,length:distance(points[i],b)}))).filter(s=>s.length>.01);
-        const total=segments.reduce((n,s)=>n+s.length,0),cycle=Math.max(1600,total/65*1000),head=(elapsed%cycle)/cycle*total;
+        const cycle=Math.max(1600,total/65*1000),head=(elapsed%cycle)/cycle*total;
         // Three markers carry creamy tails along the same rounded path.
         for(let pulse=0;pulse<3;pulse++){
         const pulseHead=(head+pulse*total/3)%total;
         for(let j=16;j>=0;j--){
             let at=pulseHead-j*Math.max(.9,width*.30);if(at<0)continue;
-            for(const segment of segments){
-                if(at>segment.length){at-=segment.length;continue;}
-                const t=at/segment.length,x=segment.a[0]+(segment.b[0]-segment.a[0])*t,y=segment.a[1]+(segment.b[1]-segment.a[1])*t;
-                ctx.globalAlpha=(1-j/18)*.85;ctx.shadowColor='rgba(255,245,215,.65)';ctx.shadowBlur=width*(j===0?1.2:.55);
+            const point=hintPointAt(motion,at);if(point){
+                const {segment,x,y}=point;
+                ctx.globalAlpha=(1-j/18)*.85;ctx.shadowColor='rgba(255,245,215,.65)';ctx.shadowBlur=j===0?width*1.2:0;
                 ctx.beginPath();ctx.arc(x,y,width*(.23+(16-j)/16*.4),0,Math.PI*2);ctx.fillStyle=C.hintSpark;ctx.fill();
                 if(j===0){ctx.globalAlpha=1;ctx.shadowBlur=0;hintArrow(ctx,segment.a,segment.b,x,y,width);}
-                break;
             }
         }
         }

wechat-campaign-200-r2/src/level-select.mjs

@@ -0,0 +1,15 @@
+import {C,label,panel,roundRect} from './bright-classroom/theme.mjs';
+
+export function chapterLayout(width,height,top,bottom,count=10){
+    const columns=width>=360&&height>=700?2:3,rows=Math.ceil(count/columns),gap=14;
+    const y=top+108,available=height-bottom-114-y;
+    const h=Math.min(76,(available-gap*(rows-1))/rows),w=Math.min(130,(width-48-gap*(columns-1))/columns);
+    return {columns,rows,gap,y,w,h,x:(width-(w*columns+gap*(columns-1)))/2};
+}
+export function levelCard(ctx,labelText,x,y,w,h,{completed,current}){
+    const fill=completed?'#D6EAD6':current?C.primary:C.surface;
+    panel(ctx,x,y,w,h-3,Math.min(18,h*.28),fill,3);
+    if(current){ctx.save();ctx.strokeStyle=completed?C.primary:'#FFFFFF';ctx.lineWidth=2;roundRect(ctx,x+4,y+4,w-8,h-11,Math.min(14,h*.22));ctx.stroke();ctx.restore();}
+    label(ctx,labelText,x+w/2,y+(h-3)/2,Math.min(24,h*.4),current&&!completed?C.onPrimary:completed?'#326443':C.ink,700);
+    if(completed){label(ctx,'✓',x+w-13,y+12,12,'#326443',700);}
+}

wechat-campaign-200-r2/src/main.mjs

@@ -1,7 +1,9 @@
+import releaseInfo from '../release-info.json' with {type:'json'};
+import {chapterLayout,levelCard} from './level-select.mjs';
 import {CLEAR_DURATION,clearProgress,drawClearCelebration} from './bright-classroom/celebration.mjs';
 import {stopAudio,audioDiagnostics} from './audio.mjs';
 import { mainCanvas, boardCanvas, document, window, PACK, setViewInvalidator } from './platform.mjs';
-import {renderLesson,hintView,refreshBrightBoard,brightOverlay,brightAnimating} from './upstream/ui.mjs';
+import {renderLesson,hintView,resumeGameplay,refreshBrightBoard,brightOverlay,brightAnimating} from './upstream/ui.mjs';
 import {drawHint} from './hints.mjs';
 import {lessonKeys,makeLesson,lessonFrame,loopLessonTime} from './lessons.mjs';
 import {tutorials} from './copy.mjs';
@@ -11,22 +13,38 @@ import {preferences} from './bright-classroom/board-renderer.mjs';
 const lessonCanvas=wx.createCanvas();let lesson=null,lessonStarted=0,lessonState=null,lessonCache=new Map();
 const $ = id => document.getElementById(id), ctx = mainCanvas.getContext('2d');
 let width = 375, height = 812, top = 60, bottom = 24, page = 0, buttons = [], pointer = null, visible = true, raf = 0;
-let rulePage=0,ruleKey='';
+let rulePage=0,ruleKey='',lessonBoardCache=null,lessonBoardRenders=0;
 const hintCanvas=wx.createCanvas(),hintContext=hintCanvas.getContext('2d');
 let hintAnimation={key:'',started:0};
 let settingsOpen=false,pressedLabel='',pressedUntil=0;
-let renderedFrames=0,clearCelebration=null;
+let renderedFrames=0,clearCelebration=null,selectWasOpen=false;
 function requestPaint(){if(visible&&!raf)raf=requestAnimationFrame(draw);}
-setViewInvalidator(requestPaint);
+const hintBaseCanvas=wx.createCanvas();let hintBaseKey='',hintBaseHits=0;
+setViewInvalidator(()=>{hintBaseKey='';requestPaint();});
 try{preferences.reducedMotion=wx.getStorageSync('number-swipe:reduced-motion')==='1';}catch{}
 const ordered = PACK.playOrder.map(id => PACK.levels.find(l => l.id === id));
-function resize() { const info = wx.getWindowInfo ? wx.getWindowInfo() : wx.getSystemInfoSync(); width = info.windowWidth; height = info.windowHeight; top = Math.max(info.safeArea?.top || 0, wx.getMenuButtonBoundingClientRect?.().bottom || 0) + 12; bottom = Math.max(16, height - (info.safeArea?.bottom || height)); window.devicePixelRatio = Math.min(info.pixelRatio || 1, 3); mainCanvas.width = width * window.devicePixelRatio; mainCanvas.height = height * window.devicePixelRatio; $('board').clientWidth = width; $('board').clientHeight = Math.max(140, height - top - bottom - 218); window.handlers.resize?.(); requestPaint(); }
+function resize() { hintBaseKey=''; const info = wx.getWindowInfo ? wx.getWindowInfo() : wx.getSystemInfoSync(); width = info.windowWidth; height = info.windowHeight; top = Math.max(info.safeArea?.top || 0, wx.getMenuButtonBoundingClientRect?.().bottom || 0) + 12; bottom = Math.max(16, height - (info.safeArea?.bottom || height)); window.devicePixelRatio = Math.min(info.pixelRatio || 1, 3); mainCanvas.width = width * window.devicePixelRatio; mainCanvas.height = height * window.devicePixelRatio; $('board').clientWidth = width; $('board').clientHeight = Math.max(140, height - top - bottom - 218); window.handlers.resize?.(); requestPaint(); }
 function text(value, x, y, size = 16, color = C.ink) { label(ctx,value,x,y,size,color); }
 function splitLines(value,maxWidth,size=16){textFont(ctx,size);const lines=[];for(const paragraph of String(value).split('\n')){let line='';for(const c of paragraph){if(line&&ctx.measureText(line+c).width>maxWidth){lines.push(line);line='';}line+=c;}lines.push(line);}return lines;}
 function wrapped(value,x,y,maxWidth,size=16){const lines=splitLines(value,maxWidth,size);lines.forEach((line,i)=>text(line,x,y+i*(size+9),size));return lines.length;}
 function button(label, x, y, w, h, run, { enabled = true, primary = false } = {}) { buttonArt(ctx,label,x,y,w,h,{enabled,primary,pressed:!preferences.reducedMotion&&pressedLabel===label&&Date.now()<pressedUntil}); buttons.push({ label, x, y, w, h, run, enabled }); }
 function click(id) { if(id==='btn-rules')ruleKey=''; $('board').handlers.pointerup?.(); pointer = null; $(id).click(); }
 function levelButtons() { return $('pack-list').children.flatMap(section => section.children[1].children); }
+function paintHintLayer(hint,boardState,d){
+
+        if(hint){
+            const key=boardState.level+':'+hint.start+':'+hint.end;
+            if(hintAnimation.key!==key)hintAnimation={key,started:Date.now()};
+            const h=$('board').clientHeight;
+            if(hintCanvas.width!==Math.round(width*d))hintCanvas.width=Math.round(width*d);
+            if(hintCanvas.height!==Math.round(h*d))hintCanvas.height=Math.round(h*d);
+            hintContext.setTransform(d,0,0,d,0,0);hintContext.clearRect(0,0,width,h);
+            drawHint(hintContext,hint,boardState.centers,boardState.unit,Date.now()-hintAnimation.started,boardState.path);
+            ctx.drawImage(hintCanvas,0,top+82,width,h);
+            ctx.save();ctx.translate(0,top+82);brightOverlay(ctx);ctx.restore();
+        }else hintAnimation={key:'',started:0};
+
+}
 function draw() {
     raf=0;
     if (!visible)
@@ -41,31 +59,47 @@ function draw() {
         const actual=audioDiagnostics.completeStartedAt;
         clearCelebration.started=actual??(Date.now()-clearCelebration.requested<500?null:clearCelebration.requested);
     }
+    const animationHint=hintView();
+    const cacheEligible=Boolean(animationHint)&&state.screen==='play'&&!state.cleared&&!settingsOpen&&$('rules-sheet').hidden&&!brightAnimating()&&Date.now()>=pressedUntil;
+    const baseKey=JSON.stringify([state.level,state.path,width,height,d,preferences.reducedMotion]);
+    if(cacheEligible&&hintBaseKey===baseKey){
+        hintBaseHits++;ctx.drawImage(hintBaseCanvas,0,0,width,height);paintHintLayer(animationHint,state,d);
+        if(!preferences.reducedMotion)requestPaint();return;
+    }
     const currentLevel=ordered.find(l=>l.id===state.level);
     const dense=(currentLevel.features||[]).length>=3||state.cellViews?.length>=30;
     background(ctx,width,height,!$('screen-play').className.includes('hidden')&&dense);
     buttons = [];
     const select = $('screen-play').className.includes('hidden');
     if (select) {
-        text('数字一笔', width / 2, top + 24, 30,C.primary);
-        text('每块一次 · 数字对步数', width / 2, top + 61, 16);
-        text('已完成 '+$('progress').textContent, width / 2, top + 90, 14,C.inkSecondary);
+        text('数字一笔', width / 2, top + 18, 30,C.primary);
+
+        text('总进度 '+$('progress').textContent, width / 2, top + 42, 12,C.inkSecondary);
         button('设置',width-72,top+4,56,34,()=>settingsOpen=true);
-        const rows = Math.max(1, Math.floor((height - top - bottom - 242) / 57)), count = rows * 4, pages = Math.ceil(200 / count);
-        page = Math.max(0, Math.min(pages - 1, page));
-        const levels = levelButtons();
-        panel(ctx,12,top+110,width-24,rows*57+4,24,C.stage,3);
-        for (let j = 0; j < count && page * count + j < levels.length; j++) {
-            const index = page * count + j, node = levels[index];
-            button(node.textContent + (node.className.includes('cleared') ? ' ✓' : ''), 18 + j % 4 * (width - 30) / 4, top + 120 + Math.floor(j / 4) * 57, (width - 48) / 4 - 4, 45, () => node.click(), { primary: node.className.includes('current') });
-        }
-        button('上一页', 18, height - bottom - 106, 90, 38, () => page = Math.max(0, page - 1));
+        const levels=levelButtons(),pages=PACK.chapters.length;
+        if(!selectWasOpen)page=Math.floor((state.displayOrder-1)/10);
+        selectWasOpen=true;page=Math.max(0,Math.min(pages-1,page));
+        const chapter=PACK.chapters[page],chapterLevels=ordered.filter(l=>l.chapter===chapter.id);
+        const nodes=chapterLevels.map(l=>levels[ordered.indexOf(l)]);
+        const layout=chapterLayout(width,height,top,bottom,nodes.length);
+        text('第 '+(page+1)+' 章 · '+chapter.title.replace(/^第.*?章[·\s]*/,''),width/2,top+66,18,C.primary);
+        text(nodes.filter(n=>n.className.includes('cleared')).length+' / '+nodes.length+' 已通过',width/2,top+89,13,C.inkSecondary);
+        nodes.forEach((node,j)=>{
+            const row=Math.floor(j/layout.columns),column=j%layout.columns,last=nodes.length-row*layout.columns;
+            const offset=last<layout.columns?(layout.columns-last)*(layout.w+layout.gap)/2:0;
+            const x=layout.x+offset+column*(layout.w+layout.gap),y=layout.y+row*(layout.h+layout.gap);
+            const label=node.textContent+(node.className.includes('cleared')?' ✓':'');
+            levelCard(ctx,node.textContent,x,y,layout.w,layout.h,{completed:node.className.includes('cleared'),current:node.className.includes('current')});
+            buttons.push({label,x,y,w:layout.w,h:layout.h,run:()=>node.click(),enabled:true});
+        });
+        button('上一页', 18, height - bottom - 106, 90, 38, () => page = Math.max(0, page - 1),{enabled:page>0});
         text((page + 1) + ' / ' + pages, width / 2, height - bottom - 87);
-        button('下一页', width - 108, height - bottom - 106, 90, 38, () => page = Math.min(pages - 1, page + 1));
+        button('下一页', width - 108, height - bottom - 106, 90, 38, () => page = Math.min(pages - 1, page + 1),{enabled:page<pages-1});
         button($('btn-continue').textContent, 18, height - bottom - 56, width - 126, 42, () => click('btn-continue'), { primary: true });
         button('反馈', width - 98, height - bottom - 56, 80, 42, feedback);
     }
     else {
+        selectWasOpen=false;
         button('选关', 16, top, 62, 36, () => click('btn-back'));
         panel(ctx,width/2-60,top+2,120,32,16,C.coral,3);
         text('第 ' + window.variantSnapshot().displayOrder + ' 关', width / 2, top + 18, 18,C.onPrimary);
@@ -74,18 +108,6 @@ function draw() {
         stage(ctx,width,top+82,$('board').clientHeight,dense);
         refreshBrightBoard(Date.now());
         ctx.drawImage(boardCanvas, 0, top + 82, width, $('board').clientHeight);
-        const hint=hintView(),boardState=window.variantSnapshot();
-        if(hint){
-            const key=boardState.level+':'+hint.start+':'+hint.end;
-            if(hintAnimation.key!==key)hintAnimation={key,started:Date.now()};
-            const h=$('board').clientHeight;
-            if(hintCanvas.width!==Math.round(width*d))hintCanvas.width=Math.round(width*d);
-            if(hintCanvas.height!==Math.round(h*d))hintCanvas.height=Math.round(h*d);
-            hintContext.setTransform(d,0,0,d,0,0);hintContext.clearRect(0,0,width,h);
-            drawHint(hintContext,hint,boardState.centers,boardState.unit,Date.now()-hintAnimation.started,boardState.path);
-            ctx.drawImage(hintCanvas,0,top+82,width,h);
-            ctx.save();ctx.translate(0,top+82);brightOverlay(ctx);ctx.restore();
-        }else hintAnimation={key:'',started:0};
         const foot = height - bottom - 102;
         const cleared=window.variantSnapshot().cleared;
         const message=cleared?(window.variantSnapshot().displayOrder===ordered.length?'200 关全部完成！':'完成！准备好就进入下一关。'):($('status').className.includes('show')&&$('status').textContent?$('status').textContent:'按住滑动连线 · 沿来时路逐格回退');
@@ -121,7 +143,10 @@ function draw() {
         if(!lesson||lesson.id!==lessonKey){if(!lessonCache.has(part.key))lessonCache.set(part.key,makeLesson(PACK,part.key));lesson={...lessonCache.get(part.key),id:lessonKey};lessonStarted=Date.now();}
         lessonState=lessonFrame(lesson,preferences.reducedMotion?lesson.duration:loopLessonTime(lesson,Date.now()-lessonStarted));
         const area={x:32,y:panelTop+49,w:width-64,h:visualHeight};
-        const view=renderLesson(lessonCanvas,lesson.level,lessonState.progress<1?lessonState.previous:lessonState.route,area.w,area.h);
+        const lessonRoute=lessonState.progress<1?lessonState.previous:lessonState.route;
+        const lessonBoardKey=JSON.stringify([lesson.id,lessonRoute,area.w,area.h,d]);
+        if(lessonBoardCache?.key!==lessonBoardKey){lessonBoardRenders++;lessonBoardCache={key:lessonBoardKey,view:renderLesson(lessonCanvas,lesson.level,lessonRoute,area.w,area.h)};}
+        const view=lessonBoardCache.view;
         ctx.drawImage(lessonCanvas,area.x,area.y,area.w,area.h);
         if(lessonState.blocked){const [a,b]=lessonState.blocked.map(id=>view.centers[id]);ctx.beginPath();ctx.moveTo(area.x+a[0],area.y+a[1]);ctx.lineTo(area.x+b[0],area.y+b[1]);ctx.setLineDash([5,5]);ctx.strokeStyle=C.danger;ctx.lineWidth=4;ctx.stroke();ctx.setLineDash([]);text('×',area.x+(a[0]+b[0])/2,area.y+(a[1]+b[1])/2,26,C.danger);}
         const last=lessonState.route.at(-1),prev=lessonState.previous.at(-1),end=view.centers[last],start=view.centers[prev]||end;
@@ -140,6 +165,11 @@ function draw() {
         button('减少动态：'+(preferences.reducedMotion?'开':'关'),44,y+125,width-88,48,()=>{preferences.reducedMotion=!preferences.reducedMotion;wx.setStorageSync('number-swipe:reduced-motion',preferences.reducedMotion?'1':'0');});
         button('完成',44,y+205,width-88,48,()=>settingsOpen=false,{primary:true});
     }
+    if(cacheEligible){
+        hintBaseCanvas.width=mainCanvas.width;hintBaseCanvas.height=mainCanvas.height;
+        hintBaseCanvas.getContext('2d').drawImage(mainCanvas,0,0);hintBaseKey=baseKey;
+    }else hintBaseKey='';
+    if(!settingsOpen&&$('rules-sheet').hidden&&state.screen==='play')paintHintLayer(animationHint,state,d);
     const liveBoard=!settingsOpen&&$('rules-sheet').hidden&&state.screen==='play';
     const liveLesson=!settingsOpen&&!$('rules-sheet').hidden&&!preferences.reducedMotion&&Boolean(lesson);
     const liveClear=liveBoard&&clearCelebration&&!preferences.reducedMotion&&(clearCelebration.started===null||Date.now()-clearCelebration.started<CLEAR_DURATION);
@@ -155,7 +185,7 @@ function event(p) { return { clientX: p.clientX, clientY: p.clientY - top - 82,
 wx.onTouchStart(e => { if (pointer !== null)
     return; const p = e.changedTouches[0]; if (!p)
     return; const b = buttons.find(b => p.clientX >= b.x && p.clientX <= b.x + b.w && p.clientY >= b.y && p.clientY <= b.y + b.h); if (b) {
-    if (b.enabled){pressedLabel=b.label;pressedUntil=Date.now()+120;
+    if (b.enabled){hintBaseKey='';pressedLabel=b.label;pressedUntil=Date.now()+120;
         b.run();
         requestPaint();
     }
@@ -173,13 +203,14 @@ wx.onTouchEnd(release);
 wx.onTouchCancel(release);
 wx.onHide(() => { visible = false; lessonStarted=Date.now(); stopAudio(); cancelAnimationFrame(raf);raf=0; pointer = null; $('board').handlers.pointercancel?.(); window.handlers.pagehide?.(); });
 wx.onShow(() => { if (!visible) {
-    visible = true;lessonStarted=Date.now();
+    visible = true;lessonStarted=Date.now();settingsOpen=false;resumeGameplay();
     resize();
     requestPaint();
 } });
 wx.onAudioInterruptionBegin?.(stopAudio);
 wx.onWindowResize?.(resize);
 // 只读状态，供微信开发者工具和发布包自动验收定位问题。
-GameGlobal.numberSwipeR2 = { snapshot: () => ({...window.variantSnapshot(),theme:'bright-classroom',fonts:{...fontDiagnostics},renderedFrames,reducedMotion:preferences.reducedMotion,boardRect:{x:0,y:top+82,w:width,h:$('board').clientHeight},hint:hintView(),audio:{...audioDiagnostics},rules: $('rule-text').textContent,lesson:!$('rules-sheet').hidden&&lessonState?{key:lesson?.key,finished:lessonState.finished,duration:lesson?.duration,path:[...lessonState.route],message:lessonState.message}:null}), buttons: () => buttons.map(({ label, x, y, w, h, enabled }) => ({ label, x, y, w, h, enabled })) };
+GameGlobal.numberSwipeR2 = { snapshot: () => ({...window.variantSnapshot(),theme:'bright-classroom',release:releaseInfo,fonts:{...fontDiagnostics},renderedFrames,hintBaseHits,lessonBoardRenders,selection:{chapter:page+1,chapters:PACK.chapters.length},reducedMotion:preferences.reducedMotion,boardRect:{x:0,y:top+82,w:width,h:$('board').clientHeight},hint:hintView(),audio:{...audioDiagnostics},rules: $('rule-text').textContent,lesson:!$('rules-sheet').hidden&&lessonState?{key:lesson?.key,finished:lessonState.finished,duration:lesson?.duration,path:[...lessonState.route],message:lessonState.message}:null}), buttons: () => buttons.map(({ label, x, y, w, h, enabled }) => ({ label, x, y, w, h, enabled })) };
 resize();
 requestPaint();
+

wechat-campaign-200-r2/src/resume.mjs

@@ -0,0 +1,22 @@
+export const RESUME_KEY='variant:campaign-200-r2:v1:resume';
+export function readResume(storage){try{const value=JSON.parse(storage.getItem(RESUME_KEY)||'null');return value?.version===1&&typeof value.levelId==='string'?value:null;}catch{return null;}}
+export function resumeTarget(levels,completed,saved,legacyId){
+    const done=new Set(completed),savedIndex=levels.findIndex(l=>l.id===saved?.levelId),legacy=levels.findIndex(l=>l.id===legacyId);
+    if(savedIndex>=0&&!done.has(levels[savedIndex].id))return {index:savedIndex,path:Array.isArray(saved.path)?saved.path:[]};
+    const from=savedIndex>=0?savedIndex:legacy;
+    if(from>=0&&!done.has(levels[from].id))return {index:from,path:[]};
+    for(let step=1;step<=levels.length;step++){const i=(Math.max(-1,from)+step)%levels.length;if(!done.has(levels[i].id))return {index:i,path:[]};}
+    return {index:Math.max(0,from),path:[]};
+}
+export function validResumePath(level,route,canAppend){
+    if(!Array.isArray(route)||route.length>level.cells.length)return [];
+    const restored=[];for(const id of route){if(typeof id!=='string'||!canAppend(level,restored,id))return [];restored.push(id);}return restored;
+}
+export function writeResume(storage,levels,completed,current,path,cleared){
+    const previous=readResume(storage),done=new Set(completed);
+    // Replaying a completed level must not replace the last unfinished level.
+    if(done.has(current.id)&&!cleared&&previous&&!done.has(previous.levelId)&&levels.some(l=>l.id===previous.levelId))return;
+    const next=cleared||done.has(current.id)?resumeTarget(levels,completed,null,current.id):{index:levels.indexOf(current),path:[...path]};
+    const value=JSON.stringify({version:1,levelId:levels[next.index].id,path:next.path});
+    try{if(storage.getItem(RESUME_KEY)!==value)storage.setItem(RESUME_KEY,value);}catch{}
+}