crawler/tile-debug.html at main · shaman247/crawler · GitHub

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<!doctype html>
<html><head><meta charset="utf-8"><title>Tile picker</title>
<style>
  @font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('assets/fonts/Inter-Regular.woff2') format('woff2'); }
  @font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('assets/fonts/Inter-SemiBold.woff2') format('woff2'); }
  body { background: #1a1612; color: #e8dcc8; font-family: 'Inter', system-ui, -apple-system, sans-serif; margin: 0; }
  #app { display: grid; grid-template-columns: 1fr 320px; height: 100vh; }
  #sheetWrap { overflow: auto; padding: 12px; background: #0d0a08; }
  canvas { image-rendering: pixelated; display: block; cursor: crosshair; }
  #side { padding: 14px 18px; background: #1a1612; border-left: 1px solid #3a3024; overflow-y: auto; }
  h2 { color: #ffd86b; margin: 0 0 8px 0; font-size: 15px; letter-spacing: 1px; }
  #coord { font-size: 18px; color: #ffd86b; margin-bottom: 12px; }
  #picks { font-size: 14px; line-height: 1.6; }
  #picks div { padding: 4px 0; border-bottom: 1px solid #2a221a; }
  button { background: rgba(255,216,107,0.12); color: #ffd86b; border: 1px solid rgba(255,216,107,0.3); padding: 4px 10px; cursor: pointer; font-family: inherit; font-size: 13px; margin-right: 6px; }
  .controls { margin: 8px 0 12px 0; }
  input { background: #0d0a08; color: #e8dcc8; border: 1px solid #3a3024; padding: 4px 8px; font-family: inherit; font-size: 13px; width: 140px; }
  pre { background: #0d0a08; border: 1px solid #3a3024; padding: 8px; font-size: 12px; max-height: 240px; overflow: auto; white-space: pre-wrap; }
  .hint { color: #8a7e6c; font-size: 12px; line-height: 1.4; margin-bottom: 10px; }
</style></head>
<body>
<div id="app">
  <div id="sheetWrap"><canvas id="c"></canvas></div>
  <div id="side">
    <h2>Tile picker</h2>
    <div class="hint">Hover to inspect a tile. Click to copy <code>[col, row]</code>. Tag a clicked tile by typing a label and clicking <b>Assign</b>; assignments accumulate below and you can copy the YAML snippet at the bottom.</div>
    <div id="coord">—</div>
    <div class="controls">
      <input id="label" placeholder="label (e.g. floor)">
      <button id="assign">Assign</button>
      <button id="clear">Clear</button>
    </div>
    <h2>Assignments</h2>
    <div id="picks"></div>
    <h2>Paint preview</h2>
    <div class="hint">Click a tile in the sheet to arm it as the brush, then click cells in the grid below to paint. Right-click a cell to erase. Cells are <code>4×</code> the source tile size.</div>
    <canvas id="paint" style="margin: 6px 0;"></canvas>
    <div class="controls">
      <button id="clearPaint">Clear paint</button>
      <button id="rotL">↺</button>
      <button id="rotR">↻</button>
      <button id="copyPaint">Copy ↗</button>
      <span class="hint" id="brush">brush: none</span>
    </div>
    <pre id="paintOut"></pre>
    <div class="hint">Press <kbd>R</kbd> to rotate the brush 90° (or use ↻). Each painted cell remembers its rotation.</div>
    <h2>YAML</h2>
    <pre id="yaml"></pre>
    <div class="hint">Adjust zoom with <kbd>+</kbd>/<kbd>-</kbd> or via URL <code>?s=N</code> (default 6). Paint grid size <code>?paint=N</code> (default 4).</div>
  </div>
</div>
<script>
const params = new URLSearchParams(location.search);
let SCALE = +params.get('s') || 6;
const TILE = 16;
const img = new Image();
img.src = 'assets/tiles.png';
const c = document.getElementById('c');
const ctx = c.getContext('2d');
let cols = 0, rows = 0, last = null;
const picks = []; // {label, col, row}

// Paint grid state.
const PAINT_N = +params.get('paint') || 4;
const PAINT_TILE_SCALE = 4; // each painted cell shown 4× the 16-px source
const paintGrid = Array.from({ length: PAINT_N }, () => Array(PAINT_N).fill(null));
let brush = null; // {col, row, rot}  — rot is 0|1|2|3 (× 90° clockwise)
const paintCanvas = document.getElementById('paint');
const paintCtx = paintCanvas.getContext('2d');
paintCanvas.width = PAINT_N * TILE * PAINT_TILE_SCALE;
paintCanvas.height = PAINT_N * TILE * PAINT_TILE_SCALE;
paintCtx.imageSmoothingEnabled = false;

function drawRotated(ctx, src, sx, sy, sw, sh, dx, dy, dw, dh, rot) {
  if (!rot) { ctx.drawImage(src, sx, sy, sw, sh, dx, dy, dw, dh); return; }
  ctx.save();
  ctx.translate(dx + dw / 2, dy + dh / 2);
  ctx.rotate(rot * Math.PI / 2);
  ctx.drawImage(src, sx, sy, sw, sh, -dw / 2, -dh / 2, dw, dh);
  ctx.restore();
}

function renderPaint() {
  const px = TILE * PAINT_TILE_SCALE;
  paintCtx.fillStyle = '#0d0a08';
  paintCtx.fillRect(0, 0, paintCanvas.width, paintCanvas.height);
  for (let y = 0; y < PAINT_N; y++) for (let x = 0; x < PAINT_N; x++) {
    const t = paintGrid[y][x];
    if (t) drawRotated(paintCtx, img, t.col * TILE, t.row * TILE, TILE, TILE, x * px, y * px, px, px, t.rot ?? 0);
  }
  paintCtx.strokeStyle = 'rgba(255,255,255,0.18)';
  paintCtx.lineWidth = 1;
  for (let i = 0; i <= PAINT_N; i++) {
    paintCtx.beginPath(); paintCtx.moveTo(i * px, 0); paintCtx.lineTo(i * px, paintCanvas.height); paintCtx.stroke();
    paintCtx.beginPath(); paintCtx.moveTo(0, i * px); paintCtx.lineTo(paintCanvas.width, i * px); paintCtx.stroke();
  }
}

function setBrushLabel() {
  const el = document.getElementById('brush');
  if (!brush) { el.textContent = 'brush: none'; return; }
  el.textContent = `brush: (${brush.col}, ${brush.row}) rot=${(brush.rot ?? 0) * 90}°`;
}

function paintAsText() {
  // Format each cell as `c,r,rot°` (or `.` if empty), padded to a uniform
  // width so the grid is readable. Easy for me to paste back to Claude.
  const cell = (t) => t ? `${t.col},${t.row},${(t.rot ?? 0) * 90}` : '.';
  const cells = paintGrid.map(row => row.map(cell));
  const width = Math.max(1, ...cells.flat().map(s => s.length));
  return cells.map(row => row.map(s => s.padEnd(width, ' ')).join('  ')).join('\n');
}

function refreshPaintOut() { document.getElementById('paintOut').textContent = paintAsText(); }

paintCanvas.addEventListener('contextmenu', e => e.preventDefault());
paintCanvas.addEventListener('mousedown', e => {
  const rect = paintCanvas.getBoundingClientRect();
  const x = Math.floor((e.clientX - rect.left) / (TILE * PAINT_TILE_SCALE));
  const y = Math.floor((e.clientY - rect.top) / (TILE * PAINT_TILE_SCALE));
  if (x < 0 || y < 0 || x >= PAINT_N || y >= PAINT_N) return;
  if (e.button === 2) {
    // Right-click rotates the painted cell's tile by +90°. If the cell is
    // empty, rotate the brush instead so subsequent paints use the new angle.
    if (paintGrid[y][x]) paintGrid[y][x] = { ...paintGrid[y][x], rot: (((paintGrid[y][x].rot ?? 0) + 1) & 3) };
    else if (brush) { brush.rot = ((brush.rot ?? 0) + 1) & 3; setBrushLabel(); }
  } else if (brush) {
    paintGrid[y][x] = { ...brush };
  }
  renderPaint();
  refreshPaintOut();
});
document.getElementById('clearPaint').onclick = () => {
  for (let y = 0; y < PAINT_N; y++) paintGrid[y].fill(null);
  renderPaint();
  refreshPaintOut();
};
document.getElementById('copyPaint').onclick = async () => {
  try { await navigator.clipboard.writeText(paintAsText()); document.getElementById('copyPaint').textContent = 'Copied'; setTimeout(() => document.getElementById('copyPaint').textContent = 'Copy ↗', 900); } catch {}
};
function rotateBrush(delta) {
  if (!brush) return;
  brush.rot = (((brush.rot ?? 0) + delta) & 3);
  setBrushLabel();
}
document.getElementById('rotL').onclick = () => rotateBrush(-1);
document.getElementById('rotR').onclick = () => rotateBrush(1);

function render() {
  const sCols = +params.get('cols');
  const sRows = +params.get('rows');
  cols = Math.min(sCols || (img.naturalWidth / TILE), img.naturalWidth / TILE);
  rows = Math.min(sRows || (img.naturalHeight / TILE), img.naturalHeight / TILE);
  c.width = cols * TILE * SCALE;
  c.height = rows * TILE * SCALE;
  ctx.imageSmoothingEnabled = false;
  ctx.drawImage(img, 0, 0, cols * TILE, rows * TILE, 0, 0, c.width, c.height);
  // grid
  ctx.strokeStyle = 'rgba(255,255,255,0.18)';
  ctx.lineWidth = 1;
  for (let i = 0; i <= cols; i++) { ctx.beginPath(); ctx.moveTo(i * TILE * SCALE, 0); ctx.lineTo(i * TILE * SCALE, c.height); ctx.stroke(); }
  for (let j = 0; j <= rows; j++) { ctx.beginPath(); ctx.moveTo(0, j * TILE * SCALE); ctx.lineTo(c.width, j * TILE * SCALE); ctx.stroke(); }
  // labels every cell (top-left corner)
  ctx.font = `bold ${Math.max(9, Math.floor(SCALE * 1.6))}px monospace`;
  for (let r = 0; r < rows; r++) for (let q = 0; q < cols; q++) {
    const x = q * TILE * SCALE, y = r * TILE * SCALE;
    // backdrop for readability
    ctx.fillStyle = 'rgba(0,0,0,0.55)';
    ctx.fillRect(x + 1, y + 1, SCALE * 4.5, SCALE * 1.8);
    ctx.fillStyle = '#ffe88a';
    ctx.fillText(`${q},${r}`, x + 2, y + SCALE * 1.6);
  }
  // highlight currently picked tile
  if (last) {
    ctx.strokeStyle = '#ffd86b';
    ctx.lineWidth = 3;
    ctx.strokeRect(last.col * TILE * SCALE + 1, last.row * TILE * SCALE + 1, TILE * SCALE - 2, TILE * SCALE - 2);
  }
}

img.onload = () => { render(); renderPaint(); refreshPaintOut(); };

c.addEventListener('mousemove', e => {
  const rect = c.getBoundingClientRect();
  const px = e.clientX - rect.left, py = e.clientY - rect.top;
  const col = Math.floor(px / (TILE * SCALE));
  const row = Math.floor(py / (TILE * SCALE));
  document.getElementById('coord').textContent = `(${col}, ${row})`;
});
c.addEventListener('click', async e => {
  const rect = c.getBoundingClientRect();
  const px = e.clientX - rect.left, py = e.clientY - rect.top;
  const col = Math.floor(px / (TILE * SCALE));
  const row = Math.floor(py / (TILE * SCALE));
  last = { col, row };
  brush = { col, row, rot: brush?.rot ?? 0 };
  setBrushLabel();
  document.getElementById('coord').textContent = `selected (${col}, ${row})`;
  try { await navigator.clipboard.writeText(`[${col}, ${row}]`); } catch {}
  render();
});
document.getElementById('assign').onclick = () => {
  const label = document.getElementById('label').value.trim();
  if (!label || !last) return;
  picks.push({ label, col: last.col, row: last.row });
  document.getElementById('label').value = '';
  refreshPicks();
};
document.getElementById('clear').onclick = () => { picks.length = 0; refreshPicks(); };

function refreshPicks() {
  const grouped = {};
  for (const p of picks) (grouped[p.label] ??= []).push([p.col, p.row]);
  document.getElementById('picks').innerHTML = picks.map((p, i) =>
    `<div>${p.label}: <span style="color:#ffd86b">[${p.col}, ${p.row}]</span> <button onclick="removePick(${i})">×</button></div>`
  ).join('') || '<div style="color:#8a7e6c">none yet</div>';
  let yaml = '';
  for (const [label, coords] of Object.entries(grouped)) {
    if (coords.length === 1) yaml += `${label}: [${coords[0].join(', ')}]\n`;
    else {
      yaml += `${label}:\n  sprite: [${coords[0].join(', ')}]\n  variants:\n`;
      for (const c of coords) yaml += `    - [${c.join(', ')}]\n`;
    }
  }
  document.getElementById('yaml').textContent = yaml || '(empty)';
}
window.removePick = (i) => { picks.splice(i, 1); refreshPicks(); };
window.addEventListener('keydown', e => {
  if (e.target?.tagName === 'INPUT') return;
  if (e.key === '+' || e.key === '=') { SCALE++; render(); }
  if (e.key === '-' && SCALE > 2) { SCALE--; render(); }
  if (e.key === 'r' || e.key === 'R') rotateBrush(1);
});
refreshPicks();
</script>
</body></html>