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Sloped belts hold their load with moving cleats (t42); sloped filters are downhill shaking screens (t43)

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The magic grip is gone: cleats every 8 face cells, 6 grains tall, carry
pockets uphill (about 71 grains/s against 90 flat) and overflow rolls
back. Sloped filters always run downhill; grains travel by gravity and
a shake, and sorting stays exact. Drawing needs another pass.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-26 19:47:59 -04:00
co-authored by Claude Opus 5.5
parent 1f8a89db6a
commit 578b55316b
28 changed files with 425 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ui/actions.js
+1 -1
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@@ -100,7 +100,7 @@ function dragDirFor(P, a, b) {
if (!a || !P.dirs || !(P.id === 'belt' || P.id === 'screw' || P.filter)) return -1;
const dx = b.bx - a.bx, dy = b.by - a.by;
if (!dx && !dy) return -1;
if ((P.id === 'belt' || P.filter) && diagonalDrag(dx, dy)) return dx > 0 ? 1 : 0;
if ((P.id === 'belt' || P.filter) && diagonalDrag(dx, dy)) return P.filter ? (dx * dy > 0 ? 1 : 0) : (dx > 0 ? 1 : 0);
if (P.id === 'screw' && diagonalDrag(dx, dy)) return dx > 0 ? (dy < 0 ? 4 : 5) : (dy > 0 ? 6 : 7);
if (P.id === 'screw') return Math.abs(dx) >= Math.abs(dy) ? (dx > 0 ? 1 : 3) : (dy > 0 ? 2 : 0);
return Math.abs(dx) >= Math.abs(dy) ? (dx > 0 ? 1 : 0) : -1;
src/ui/build-menu.js
+2 -2
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@@ -12,8 +12,8 @@ const PIECE_ICONS = {
wall: '<rect x="3" y="5" width="18" height="14" rx="1"/><path d="M3 12h18M9 5v7M15 12v7"/>',
grate: '<rect x="3" y="5" width="18" height="14" rx="1"/><path d="M7.5 5v14M12 5v14M16.5 5v14"/>',
gate: '<rect x="3" y="5" width="18" height="14" rx="1"/><path d="M9 5v14"/><path d="M12 12h6M16 9.5l2.5 2.5-2.5 2.5"/>',
belt: '<g transform="rotate(-45 12 12)"><rect x="2" y="7" width="20" height="10" rx="2"/><path d="M4 9h16M4 15h16"/><circle cx="6" cy="12" r="2"/><circle cx="12" cy="12" r="2"/><circle cx="18" cy="12" r="2"/></g>',
filter: '<g transform="rotate(-45 12 12)"><rect x="2" y="7" width="20" height="10" rx="2"/><path d="M4 9h16M4 15h16M6 9v6M10 9v6M14 9v6M18 9v6M4 12h16"/></g>',
belt: '<g transform="rotate(-45 12 12)"><rect x="2" y="7" width="20" height="10" rx="2"/><path d="M4 9h16M4 15h16M7 7V3M13 7V3M19 7V3"/><circle cx="6" cy="12" r="2"/><circle cx="12" cy="12" r="2"/><circle cx="18" cy="12" r="2"/></g>',
filter: '<g transform="rotate(35 12 12)"><rect x="2" y="7" width="20" height="10" rx="2"/><path d="M4 9h16M4 15h16M6 9v6M10 9v6M14 9v6M18 9v6M4 12h16"/></g>',
screw: '<rect x="3" y="6" width="18" height="12" rx="2"/><path d="M6.5 18l3.5-12M11.5 18l3.5-12M16.5 18l3-10"/>',
pipe: '<path d="M2 10h20M2 14h20"/><path d="M6 7.5v9M18 7.5v9"/>',
pump: '<circle cx="11" cy="14" r="6"/><path d="M11 14l3.5-2.5M11 14l-1 4.2M11 14l-4-1.2"/><path d="M15.5 9.5L20 5M16 5h4v4"/>',
src/ui/notebook.js
+1 -1
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@@ -71,7 +71,7 @@ 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, screw conveyors, 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. A diagonal wall drag makes a sealed sloped face, solid below; T flips it. For one wall block, T cycles square and four slope corners. Diagonal belt and filter drags make sloped runs that carry up or down, following the drag. Their faces always point up. 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, screw conveyors, 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. A diagonal wall drag makes a sealed sloped face, solid below; T flips it. For one wall block, T cycles square and four slope corners. Diagonal belts use cleats to carry pockets up or down. Extra grains roll back. Diagonal filters always screen downhill, whichever way you drag. R leaves a picked sloped filter downhill. 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.'],
];
src/ui/previews.js
+14
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@@ -221,6 +221,20 @@ function previewBlock(code, x, y, w, h, stroke = false, direction = -1, bx = -1,
}
if (stroke) { const fill = ctx.fillStyle; ctx.fillStyle = ctx.strokeStyle; ctx.fill(); ctx.fillStyle = fill; }
else ctx.fill();
// Preview cleats stand perpendicular to the face; screens have a raised far rail.
ctx.beginPath();
for (let k = 0; k < BS; k++) {
const fy = beltFaceY(code, 0, 0, k);
if (isFilter(code)) ctx.rect(x + k * scale, y + (fy - 2) * scale, scale, scale);
else {
ctx.rect(x + k * scale, y + (fy - 7 - ((ox + k) & 1)) * scale, scale, (2 + ((ox + k) & 1)) * scale);
}
if (!isFilter(code) && (((ox + k) % CLEAT_SPACING + CLEAT_SPACING) % CLEAT_SPACING === 0))
for (let h = 0; h <= CLEAT_REACH; h++)
ctx.rect(x + (k + beltGrade(code) * h) * scale, y + (fy - h - 1) * scale, scale, scale);
}
if (stroke) { const fill = ctx.fillStyle; ctx.fillStyle = ctx.strokeStyle; ctx.fill(); ctx.fillStyle = fill; }
else ctx.fill();
return;
}
code = slopeShape(code);
src/ui/selection-pickers.js
+4 -4
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@@ -14,19 +14,19 @@ function filterSentence(f) { const p = filterParts(f); return `drop ${p.drops} a
// Change the whole run of matching filters at once
function applyFilterRun(run, f) {
undoRecord('filter settings', () => {
for (const b of run) { undoNote({ t: 'filter', bx: b % BW, by: (b / BW) | 0, v: blockV[b], extra: filterInfo(b) }); blockV[b] = f.dir ? 128 : 0; setFilter(b, f); }
for (const b of run) { undoNote({ t: 'filter', bx: b % BW, by: (b / BW) | 0, v: blockV[b], extra: filterInfo(b) }); blockV[b] = filterVariant(blockP[b], f.dir ? 128 : 0); setFilter(b, f); }
});
filtersDirty = true;
}
function openFilterPicker(cur, onDone, title) {
const sel = new Set(cur.m);
let inv = cur.inv ? 1 : 0, dir = cur.dir ? 1 : 0;
let inv = cur.inv ? 1 : 0, dir = beltGrade(cur.code) ? (beltGrade(cur.code)>0 ? 1 : 0) : cur.dir ? 1 : 0;
const list = filterChoices(cur.m);
const body = `<div class="fmode" role="radiogroup" aria-label="Mode">
<button class="fm" role="radio" data-inv="0"><b>↓ Drop these</b><span>They fall through; the rest rides along</span></button>
<button class="fm" role="radio" data-inv="1"><b>→ Carry these</b><span>They ride along; the rest falls through</span></button>
</div>
<div class="fdir" role="radiogroup" aria-label="Rollers turn"><span class="label">Rollers turn</span><button class="fd" role="radio" data-dir="0">${cur.code ? esc(beltDirection(cur.code, 0)) : '← Left'}</button><button class="fd" role="radio" data-dir="1">${cur.code ? esc(beltDirection(cur.code, 128)) : 'Right →'}</button></div>`
<div class="fdir" role="radiogroup" aria-label="Screen travel"><span class="label">Screen travel</span>${beltGrade(cur.code) ? `<span>${esc(beltDirection(cur.code, dir << 7))}</span>` : '<button class="fd" role="radio" data-dir="0">← Left</button><button class="fd" role="radio" data-dir="1">Right →</button>'}</div>`
+ (list.length ? `<div class="fpick">${list.map(m => `<button class="fp" role="checkbox" data-m="${m}"><span class="ck" aria-hidden="true"></span><span class="sw" style="background:${rgbOf(m)}"></span><span>${esc(MD[m].name)}</span></button>`).join('')}</div>` : '<p class="note">Find something loose first.</p>')
+ `<p class="note fp-sum" id="fp-sum"></p>`;
dialog(title || 'Filter', body, [{ label: 'Clear', cls: 'ghost', fn: () => { sel.clear(); sync(); return true; } }, { label: 'Cancel' }, { label: 'Set filter', cls: 'primary', fn: () => { onDone({ m: [...sel].sort((a, b) => a - b), inv, dir }); hudDirty = true; } }]);
@@ -36,7 +36,7 @@ function openFilterPicker(cur, onDone, title) {
box.querySelectorAll('[data-dir]').forEach(b => { const on = +b.dataset.dir === dir; b.classList.toggle('on', on); b.setAttribute('aria-checked', on); });
box.querySelectorAll('[data-m]').forEach(b => { const on = sel.has(+b.dataset.m); b.classList.toggle('on', on); b.setAttribute('aria-checked', on); });
const f = { m: [...sel].sort((a, b) => a - b), inv };
box.querySelector('#fp-sum').textContent = `${title && /in this row/.test(title) ? 'These filters' : 'This filter'} will ${filterSentence(f)}, ${dir ? 'right' : 'left'}.`;
box.querySelector('#fp-sum').textContent = `${title && /in this row/.test(title) ? 'These filters' : 'This filter'} will ${filterSentence(f)}, ${beltGrade(cur.code) ? beltDirection(cur.code, dir << 7) : dir ? 'right' : 'left'}.`;
}
box.querySelectorAll('[data-dir]').forEach(b => b.onclick = () => { dir = +b.dataset.dir; playSfx('ui'); sync(); });
box.querySelectorAll('[data-inv]').forEach(b => b.onclick = () => { inv = +b.dataset.inv; playSfx('ui'); sync(); });
src/ui/selection.js
+2 -1
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@@ -47,6 +47,7 @@ function rotate() {
else if (t === 'build') {
const P = piece();
if (pieceUsesWall(P)) cycleWall(1);
else if (P.filter && beltGrade(pieceCode(P))) return;
else if (P.dirs) GAME.pieceDir[P.id] = ((GAME.pieceDir[P.id] || 0) + 1) % P.dirs.length;
else return;
} else if (t === 'drill') { tuneUnderCursor(); return; }
@@ -83,7 +84,7 @@ function setBrush(d) {
// materials and mode travel separately, as GAME.filterCfg)
function pieceV(P) {
if (isWall(P.code)) return GAME.wallMat;
if (P.filter) return (GAME.pieceDir[P.id] || 0) << 7;
if (P.filter) return filterVariant(pieceCode(P), (GAME.pieceDir[P.id] || 0) << 7);
return GAME.pieceDir[P.id] || 0;
}
function pieceExtra(P) { return P.filter ? { m: GAME.filterCfg.m.slice(), inv: GAME.filterCfg.inv } : undefined; }