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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
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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(); });