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Sloped belts and filters, laid by a 45° drag (t40)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-25 23:17:55 -04:00
co-authored by Claude Opus 5.5
parent 24eb9559f8
commit e19cb784d2
26 changed files with 531 additions and 110 deletions
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src/ui/selection.js
+8 -1
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@@ -87,7 +87,7 @@ function pieceV(P) {
return GAME.pieceDir[P.id] || 0;
}
function pieceExtra(P) { return P.filter ? { m: GAME.filterCfg.m.slice(), inv: GAME.filterCfg.inv } : undefined; }
function filterBlockAt(x, y) { if (x < 0 || y < 0 || x >= W || y >= H) return -1; const b = ((y / BS) | 0) * BW + ((x / BS) | 0); return blockP[b] === BP_FILTER ? b : -1; }
function filterBlockAt(x, y) { if (x < 0 || y < 0 || x >= W || y >= H) return -1; const b = ((y / BS) | 0) * BW + ((x / BS) | 0); return isFilter(blockP[b]) ? b : -1; }
function chipCost(cost) { const ok = canAfford(cost, 1); return `<span class="chip ${ok ? 'ok' : 'bad'}">${esc(costText(cost, 1))}</span>`; }
function pieceCostNow(P, m = GAME.wallMat) {
if (P.kind === 'mold') return wallCost(m, MOLDS[P.mold].walls);
@@ -96,6 +96,13 @@ function pieceCostNow(P, m = GAME.wallMat) {
}
function pieceCode(P, end = aimBlock()) {
if (P.id === 'belt' || P.filter) {
const a = GAME.drag || end;
if (GAME.drag && diagonalDrag(end.bx - a.bx, end.by - a.by) && !(typeof modShift === 'function' && modShift()))
return (P.filter ? BP_FILTER_UP : BP_BELT_UP) + ((end.bx - a.bx) * (end.by - a.by) > 0 ? 1 : 0);
if (end.bx === a.bx && end.by === a.by) return GAME.pieceShape && GAME.pieceShape[P.id] || P.code;
return P.code;
}
if (P.code !== BP_WALL) return P.code;
const a = GAME.drag || end, dx = end.bx - a.bx, dy = end.by - a.by;
if (GAME.drag && (dx || dy)) {