Bar rack blocks: store 50 bars each, F lets them out oldest first (t1)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/ui/build-menu.js

@@ -4,7 +4,7 @@ const BUILD_CATS = [
   ['Structure', ['wall', 'grate', 'gate']],
   ['Moving', ['belt', 'filter', 'tube']],
   ['Liquids', ['pipe', 'pump', 'outlet']],
-  ['Machines', ['fan', 'grinder', 'saw', 'press', 'silo']],
+  ['Machines', ['fan', 'grinder', 'saw', 'press', 'rack', 'silo']],
   ['Molds', ['ingotmold', 'bitmold', 'tankmold']],
 ];
 const BUILD_ORDER = BUILD_CATS.flatMap(c => c[1]);
@@ -22,6 +22,7 @@ const PIECE_ICONS = {
   grinder: '<path d="M3 4h18l-5 7H8z"/><circle cx="9" cy="15.5" r="2.8"/><circle cx="15" cy="15.5" r="2.8"/><path d="M12 20v2"/>',
   press: '<path d="M5 3h14l-3 5H8zM12 8v5M5 13h14v3H5z"/><rect x="8" y="18" width="8" height="3"/>',
   saw: '<path d="M5 3h14l-3 5H8z"/><circle cx="12" cy="15" r="5"/><circle cx="12" cy="15" r="1.2"/><path d="M12 9.2v1.6M17.8 15h-1.6M12 20.8v-1.6M6.2 15h1.6"/>',
+  rack: '<path d="M4 3v18M20 3v18M4 11h16M4 20h16"/><path d="M7 6h10v3H7zM7 15h10v3H7z"/>',
   silo: '<path d="M6 5.5h12v11H6z"/><path d="M6 5.5l1-2h10l1 2M6 16.5l4 3h4l4-3M7 16.5v5M17 16.5v5"/><path d="M15.5 8v6"/>',
   ingotmold: '<path d="M3 9h18l-2 7H5z"/><path d="M9.2 9l.8 7M14.8 9l-.8 7"/>',
   bitmold: '<path d="M3 9h10l7 3-7 3H3z"/><path d="M6.5 9v6M9.5 9v6"/>',

src/ui/info.js

@@ -92,6 +92,18 @@ function hoverInfo(ax, ay) {
     if (mm.type === 'wheel' || mm.type === 'engine') t2.push(`making ${mm.out.toFixed(1)} power`);
     if (mm.type === 'fan') { t2.push(mm.on ? 'on' : 'off · press F'); if (mm.hot > 760) { t2.push(`${mm.hot}°C · melts at 1085°C`); warn = 'too hot'; } }
     if (mm.type === 'silo') t2.push(mm.sn ? `holds ${mm.sn.toLocaleString('en-US')} / ${SILO_CAP.toLocaleString('en-US')} ${MD[mm.sm].name.toLowerCase()}` : `empty (holds ${SILO_CAP.toLocaleString('en-US')} grains of one material)`, mm.open ? 'gate open · F shuts it' : 'gate shut · F opens it');
+  } else if (b === BP_RACK) {
+    const top = rackTop((ay >> 2) * BW + (ax >> 2)), counts = new Map();
+    let n = 0, capacity = 0;
+    for (let q = top; q < NB && blockP[q] === BP_RACK; q += BW) {
+      const s = rackState.get(q); capacity += RACK_CAP; n += s.n;
+      for (const [m, count] of s.q) counts.set(m, (counts.get(m) || 0) + count);
+    }
+    t1 = 'Bar rack'; t2.push(`${n} / ${capacity} bars`);
+    t2.push(...[...counts].slice(0, 4).map(([m, count]) => `${count} ${MD[m].name.toLowerCase()}`));
+    if (counts.size > 4) t2.push('+ more');
+    t2.push(rackState.get(top).open ? 'open: letting bars out' : 'closed: F lets bars out');
+    if (n === capacity) t2.push('full');
   } else if (isProcCode(b)) {
     const s = procState.get((ay >> 2) * BW + (ax >> 2)), saw = b === BP_SAW, press = b === BP_PRESS;
     t1 = press ? 'Brick press' : saw ? 'Saw' : 'Grinder';

src/ui/notebook.js

@@ -184,7 +184,7 @@ function controlsHtml() {
   const tools = [
     ['1 Resonance drill', 'Hold left click to send pulses from the bot toward the cursor: rock they shake hard enough shatters and falls as rubble, ore, coal or scrap, and trees come apart into wood chunks and acorns. Q and E set the pulse width: narrow bores a tunnel fast, wide clears a big cone slowly, medium is in between. R over a material tunes the drill to it, so only that shatters (great for pulling a vein out of the rock); R again untunes. Built blocks are never harmed. Better bits dig harder rock, faster and further.'],
     ['2 Pneumatic nozzle', "Left drag picks up the selection, or what you click if nothing is selected. Right click blows the selection. Click a bag name or Q/E selects one; Ctrl+click mixes. Hold Ctrl to see everything found. Clear removes the selection. Bars blow alone. Blowing out the last of a material deselects it. Shift while not flying takes everything; Shift + right click blows everything loose in the bag."],
-    ['3 Build', 'Places pieces on a grid of 4×4 blocks: wall blocks, belts, tubes, filters, grates, gates, pipes, pumps, outlets, Grinders, Saws and Brick presses, machines (fans and silos) and molds. Drag for a line, hold Shift while dragging for a filled rectangle. Right click takes a piece back. Your bot flies through anything you build.'],
+    ['3 Build', 'Places pieces on a grid of 4×4 blocks: wall blocks, belts, tubes, filters, grates, gates, pipes, pumps, outlets, Grinders, Saws, Brick presses and Bar racks, machines (fans and silos) and molds. Drag for a line, hold Shift while dragging for a filled rectangle. Right click takes a piece back. Your bot flies through anything you build.'],
     ['4 Igniter', 'Heats a small spot to 640°C, and its flame reaches a few grains into a pile. Enough to light coal and wood that touch air.'],
     ['Copy, cut and paste', 'Hold C (copy) or X (cut) and drag a box over what you built; let go and it is picked up, ready to paste. Cut takes it down and refunds it to your bag. Click to place ghosts: your bot builds them from your bag when it is close. R flips, V pastes again, right click or Esc stops. Ctrl+Z undoes building. The notebook (B) keeps saved blueprints and a few starter designs.'],
   ];