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Sloped walls with a flat 45° face, and diagonal wall lines (t36)

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- New Sloped wall piece: a half-block triangle in any wall material, at half a wall's cost.
  Dragging walls or slopes at about 45° lays a diagonal line; the drag picks the slope's
  orientation and T flips or turns it.
- Each slope fills one cell past its corner, so a diagonal run is sealed against grains and water.
- New test/t_slopes.js: a slope funnel passes 400/400 sand (square steps 379/400).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-25 17:17:51 -04:00
co-authored by Claude Opus 5.5
parent 1a300bf744
commit 381019b7aa
21 changed files with 311 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/sim/blocks.js
+65 -13
View File
@@ -2,28 +2,50 @@
// ---------- Blocks ----------
function blockOf(x, y) { return { bx: Math.floor(x / BS), by: Math.floor(y / BS) }; }
function blockCellList(bx, by) { const out = []; for (let y = by * BS; y < by * BS + BS; y++) for (let x = bx * BS; x < bx * BS + BS; x++) out.push(y * W + x); return out; }
function pieceCost(code, v) { return code === BP_WALL ? wallCost(v, BS * BS) : PIECE_BY_CODE[code].cost; }
function canPlaceBlock(bx, by) {
function pieceCost(code, v) { return isWall(code) ? wallCost(v, isSlope(code) ? 8 : BS * BS) : PIECE_BY_CODE[code].cost; }
// One extra cell on the solid side seals diagonal crossings between successive triangles.
function slopeSeal(code, bx, by) {
const x = bx * BS + (code === BP_SLOPE_BR || code === BP_SLOPE_TR ? 0 : 3);
const y = by * BS + (code >= BP_SLOPE_TL ? -1 : 4);
return y < 0 || y >= H ? -1 : y * W + x;
}
function slopeSealOwner(i) {
const x = i % W, y = (i / W) | 0, bx = x >> 2;
for (const by of [(y >> 2) - 1, (y >> 2) + 1]) {
if (by < 0 || by >= BH) continue;
const b = by * BW + bx, c = blockP[b];
if (isSlope(c) && slopeSeal(c, bx, by) === i) return b;
}
return -1;
}
function wallCells(code, bx, by) {
return blockCellList(bx, by).filter(i => !isSlope(code) || slopeCell(code, (i % W) & 3, ((i / W) | 0) & 3));
}
function canPlaceBlock(bx, by, code = BP_WALL) {
if (bx < 0 || by < 0 || bx >= BW || by >= BH) return 'Out of bounds';
if (blockP[by * BW + bx]) return 'Something is already built there';
for (const i of blockCellList(bx, by)) {
if (mach[i] || part[i]) return 'Something is already built there';
if (PH[mat[i]] === PH_SOLID) return 'Needs open space; clear the rock first.';
if (PH[mat[i]] === PH_SOLID && ((flags[i] & F_NAT) || slopeSealOwner(i) < 0)) return 'Needs open space; clear the rock first.';
if (occ[i]) return 'A bar is in the way';
}
if (isSlope(code)) {
const i = slopeSeal(code, bx, by);
if (i >= 0 && PH[mat[i]] !== PH_SOLID && (mach[i] || part[i] || occ[i])) return 'The slope corner is blocked.';
}
return '';
}
// v: wall material (loose id) for walls, direction for belts and tubes
function placeBlock(code, v, bx, by, free, extra) {
const err = canPlaceBlock(bx, by); if (err) return err;
if (code === BP_WALL && !WALL_OF[v]) return 'Pick a wall material with R';
const err = canPlaceBlock(bx, by, code); if (err) return err;
if (isWall(code) && !WALL_OF[v]) return 'Pick a wall material with R';
const cost = pieceCost(code, v);
if (!free) { if (!canAfford(cost, 1)) return needText(cost, 1); payCost(cost, 1); }
const cells = blockCellList(bx, by);
const cells = isSlope(code) ? wallCells(code, bx, by) : blockCellList(bx, by);
if (code !== BP_PIPE) evictCells(cells, by * BS); // a pipe is thin: what is there stays and flows past it
for (const i of cells) {
const y = (i / W) | 0, x = i % W;
if (code === BP_WALL) setCell(i, WALL_OF[v], AMB[y], 0);
if (isWall(code)) setCell(i, WALL_OF[v], AMB[y], 0);
else if (code === BP_BELT) { setCell(i, v === 0 ? BELTL : BELTR, AMB[y], 0); markPow(i, true); }
else if (code === BP_SHAFT) { setCell(i, SHAFT, AMB[y], 0); markPow(i, true); }
else if (code === BP_RACK) setCell(i, RACKB, AMB[y], 0);
@@ -45,6 +67,10 @@ function placeBlock(code, v, bx, by, free, extra) {
rackState.set(b, s);
for (let q = rackTop(b); q <= rackBottom(b); q += BW) rackState.get(q).open = s.open;
}
if (isSlope(code)) {
const i = slopeSeal(code, bx, by);
if (i >= 0 && PH[mat[i]] !== PH_SOLID) { evictCells([i], by * BS); setCell(i, WALL_OF[v], AMB[(i / W) | 0], 0); }
}
stats.placed++;
undoNote({ t: 'block+', bx, by, code });
return '';
@@ -57,7 +83,7 @@ function blockIntegrity(b) {
let n = 0;
for (const i of blockCellList(bx, by)) {
const m = mat[i], p = part[i];
if (code === BP_WALL) { if (PH[m] === PH_SOLID && !(flags[i] & F_NAT) && !PARTMAT[m]) n++; }
if (isWall(code) && (!isSlope(code) || slopeCell(code, (i % W) & 3, ((i / W) | 0) & 3))) { if (PH[m] === PH_SOLID && !(flags[i] & F_NAT) && !PARTMAT[m]) n++; }
else if (code === BP_BELT) { if (m === BELTL || m === BELTR) n++; }
else if (code === BP_SHAFT) { if (m === SHAFT) n++; }
else if (code === BP_RACK) { if (m === RACKB) n++; }
@@ -89,9 +115,11 @@ function removeBlock(bx, by) {
let n = 0, metal = 0;
for (const i of blockCellList(bx, by)) {
const m = mat[i], p = part[i];
if (code === BP_WALL) {
if (isWall(code)) {
if (isSlope(code) && !slopeCell(code, (i % W) & 3, ((i / W) | 0) & 3)) continue;
if (PH[m] === PH_SOLID && !(flags[i] & F_NAT) && !PARTMAT[m] && m !== SPRING) {
metal += removeWallCell(i, v);
if (isSlope(code)) setCell(i, EMPTY, temp[i], 0);
else metal += removeWallCell(i, v);
n++;
}
} else if (isPipeCode(code)) {
@@ -102,8 +130,13 @@ function removeBlock(bx, by) {
if (p === P_GOPEN) { part[i] = 0; n++; wakeIdx(i); }
} else if (p) { part[i] = 0; markPow(i, false); wakeIdx(i); n++; }
}
if (isSlope(code)) {
const cells = Math.floor(n * 8 / 10), refund = PH[v] === PH_ITEM ? Math.floor(cells / GRAINS_PER_BAR) : cells;
giveOrDrop(v, refund, bx * BS + 2, by * BS + 2);
}
if (code === BP_WALL && metal) giveOrDrop(BAR_OF[WALL_OF[v]] || BARCU, Math.floor(metal / GRAINS_PER_BAR), bx * BS + 2, by * BS + 2);
else if (code !== BP_WALL && n >= 8) refundAt(PIECE_BY_CODE[code].cost, 1, bx * BS + 2, by * BS + 2);
else if (!isWall(code) && n >= 8) refundAt(PIECE_BY_CODE[code].cost, 1, bx * BS + 2, by * BS + 2);
if (code === BP_FILTER) { filtersDirty = true; filterCfg.delete(b); }
if (isProcCode(code)) { procDirty = true; procState.delete(b); }
if (code === BP_RACK) {
@@ -112,15 +145,34 @@ function removeBlock(bx, by) {
if (s) for (const [m, count] of s.q) giveOrDrop(m, count, bot.x, bot.y);
}
blockP[b] = 0; blockV[b] = 0;
const cleared = blockCellList(bx, by);
if (isSlope(code)) {
const i = slopeSeal(code, bx, by);
if (i >= 0) {
const nb = (((i / W) | 0) >> 2) * BW + ((i % W) >> 2), nc = blockP[nb];
if ((!nc || (isSlope(nc) && !slopeCell(nc, (i % W) & 3, ((i / W) | 0) & 3))) && mat[i] === WALL_OF[v] && !(flags[i] & F_NAT)) setCell(i, EMPTY, temp[i], 0);
cleared.push(i);
}
}
for (const i of cleared) {
const owner = slopeSealOwner(i);
if (owner >= 0 && mat[i] === EMPTY) setCell(i, WALL_OF[blockV[owner]], AMB[(i / W) | 0], 0);
}
if (isPipeCode(code)) {
pipesDirty = true;
if (spill) { let k = spill.n; for (let y = by * BS + BS - 1; y >= by * BS && k > 0; y--) for (let x = bx * BS; x < bx * BS + BS && k > 0; x++) { const i = y * W + x; if (mat[i] === EMPTY) { setCell(i, spill.m, spill.T, 0); k--; } } }
}
return n;
}
// Straight line of blocks along the dominant axis
function blockLine(bx0, by0, bx1, by1) {
// Wall drags near 45° snap to a diagonal; other lines follow the dominant axis.
function diagonalDrag(dx, dy) { return dx !== 0 && dy !== 0 && Math.min(Math.abs(dx), Math.abs(dy)) >= Math.max(Math.abs(dx), Math.abs(dy)) * 0.7; }
function blockLine(bx0, by0, bx1, by1, diagonal = false) {
const out = [];
const dx = bx1 - bx0, dy = by1 - by0;
if (diagonal && diagonalDrag(dx, dy)) {
for (let k = 0; k <= Math.max(Math.abs(dx), Math.abs(dy)); k++) out.push([bx0 + k * Math.sign(dx), by0 + k * Math.sign(dy)]);
return out;
}
if (Math.abs(bx1 - bx0) >= Math.abs(by1 - by0)) { const s = bx1 >= bx0 ? 1 : -1; for (let x = bx0; ; x += s) { out.push([x, by0]); if (x === bx1) break; } }
else { const s = by1 >= by0 ? 1 : -1; for (let y = by0; ; y += s) { out.push([bx0, y]); if (y === by1) break; } }
return out;
src/sim/blueprints.js
+1 -1
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@@ -27,7 +27,7 @@ function flipBlueprint(bp) {
: code === BP_PUMP || code === BP_OUTLET ? (((v & 3) === 1 ? 3 : (v & 3) === 3 ? 1 : v & 3) | (v & 4)) : v;
return {
v: 2, bw, bh: bp.bh, name: bp.name,
blocks: bp.blocks.map(([x, y, c, v, e]) => e ? [bw - 1 - x, y, c, flipV(c, v), e] : [bw - 1 - x, y, c, flipV(c, v)]),
blocks: bp.blocks.map(([x, y, c, v, e]) => e ? [bw - 1 - x, y, isSlope(c) ? BP_SLOPE_BL + ((c - BP_SLOPE_BL) ^ 1) : c, flipV(c, v), e] : [bw - 1 - x, y, isSlope(c) ? BP_SLOPE_BL + ((c - BP_SLOPE_BL) ^ 1) : c, flipV(c, v)]),
machines: bp.machines.map(([t, x, y, d]) => {
const P = PIECE_BY_ID[t];
let nd = d;
src/sim/pieces.js
+15
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@@ -5,6 +5,18 @@
// stays grain-level; only built pieces snap.
const BS = 4;
const BP_WALL = 1, BP_BELT = 2, BP_TUBE = 3, BP_SHAFT = 4, BP_GRATE = 5, BP_GATE = 6, BP_FILTER = 7, BP_PIPE = 8, BP_PUMP = 9, BP_OUTLET = 10, BP_GRIND = 11, BP_SAW = 12, BP_PRESS = 13, BP_RACK = 14;
const BP_SLOPE_BL = 15, BP_SLOPE_BR = 16, BP_SLOPE_TL = 17, BP_SLOPE_TR = 18;
function isSlope(c) { return c >= BP_SLOPE_BL && c <= BP_SLOPE_TR; }
function isWall(c) { return c === BP_WALL || isSlope(c); }
function slopeCell(c, x, y) {
if (c === BP_SLOPE_BR || c === BP_SLOPE_TR) x = 3 - x;
if (c === BP_SLOPE_TL || c === BP_SLOPE_TR) y = 3 - y;
return y >= x;
}
function slopeCode(dx, dy, orientation) {
if (!diagonalDrag(dx, dy)) return BP_SLOPE_BL + orientation;
return dx * dy > 0 ? (orientation >= 2 ? BP_SLOPE_TR : BP_SLOPE_BL) : (orientation >= 2 ? BP_SLOPE_TL : BP_SLOPE_BR);
}
function isPipeCode(c) { return c === BP_PIPE || c === BP_PUMP || c === BP_OUTLET; }
// Filters: each filter block has a set of materials and a mode. In drop mode (inv 0)
// the chosen materials fall through and everything else rides along on top; in carry
@@ -39,6 +51,8 @@ const CASH = 255; // stands for money in cost lists
const PIECES = [
{ id: 'wall', code: BP_WALL, name: 'Wall block', kind: 'block', variants: 'wall',
desc: 'A solid block. R picks what it is made of: 16 grains of rubble, lumps or chunks, or 2 bars of metal.' },
{ id: 'slope', code: BP_SLOPE_BL, name: 'Sloped wall', kind: 'block', variants: 'wall',
desc: 'A half-block with a flat 45° face. Drag diagonally to make a funnel. R picks the material. T flips a dragged slope; without a drag, T cycles its four corners. Costs and returns 8 grains or 1 bar.' },
{ id: 'belt', code: BP_BELT, name: 'Belt', kind: 'block', cost: [[CASH, 12]], dirs: ['left', 'right'],
desc: 'Carries loose grains and bars resting on top of it, left or right, in a layer up to a block deep. Water and other liquids drain through it.' },
{ id: 'tube', code: BP_TUBE, name: 'Screw tube', kind: 'block', cost: [[CASH, 25]], dirs: ['up', 'right', 'down', 'left'],
@@ -84,6 +98,7 @@ const PIECES = [
];
const PIECE_BY_ID = {}, PIECE_BY_CODE = [];
PIECES.forEach((p, i) => { p.index = i; PIECE_BY_ID[p.id] = p; if (p.code) PIECE_BY_CODE[p.code] = p; if (p.kind === 'machine') { p.w = p.bw * BS; p.h = p.bh * BS; } });
for (let c = BP_SLOPE_BR; c <= BP_SLOPE_TR; c++) PIECE_BY_CODE[c] = PIECE_BY_ID.slope;
// power per grain of belt / tube (a block is 16 grains)
const BELT_POWER = 0.03, TUBE_POWER = 0.125, FAN_POWER = 6;
const WHEEL_K = 0.32, ENGINE_K = 40;
src/sim/tools.js
+1 -1
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@@ -34,7 +34,7 @@ function toolDig(cx, cy, r) {
const b = blockP[((y / BS) | 0) * BW + ((x / BS) | 0)];
setCell(i, to, temp[i], 0);
discover(to, x, y, m, 'dig');
if (b === BP_WALL && !blockIntegrity(((y / BS) | 0) * BW + ((x / BS) | 0))) blockP[((y / BS) | 0) * BW + ((x / BS) | 0)] = 0;
if (isWall(b) && !blockIntegrity(((y / BS) | 0) * BW + ((x / BS) | 0))) removeBlock((x / BS) | 0, (y / BS) | 0);
dug++;
if ((dug & 3) === 0) emit({ t: 'debris', x, y, m });
} else digp[i] = p;
src/sim/undo.js
+1 -1
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@@ -61,7 +61,7 @@ function ghostTick0() {
ghostBlocks.delete(b); ghostBlocked.delete(b); continue;
}
if (!blockInReach(bx, by)) continue;
const err = canPlaceBlock(bx, by);
const err = canPlaceBlock(bx, by, code);
if (err) { if (err.startsWith('Needs')) ghostBlocked.add(b); continue; }
if (!canAfford(pieceCost(code, v), 1)) { ghostMissing++; continue; }
placeBlock(code, v, bx, by, false, e);