Release Healer Man 0.1.40

scripts/lib/wow-map-image.mjs

@@ -0,0 +1,12 @@
+/** WoW's twelve row-major 256px tiles are cropped to the client map's 1002x668 rectangle. */
+export function stitchMap(tiles) {
+  if (tiles.length !== 12) throw new Error("A map requires all twelve tiles");
+  const width = 1002, height = 668, pixels = Buffer.alloc(width * height * 4);
+  tiles.forEach((tile, index) => {
+    if (tile.width !== 256 || tile.height !== 256) throw new Error("Unexpected map tile dimensions");
+    const x = (index % 4) * 256, y = Math.floor(index / 4) * 256;
+    const copyWidth = Math.min(256, width - x), copyHeight = Math.min(256, height - y);
+    for (let row = 0; row < copyHeight; row += 1) tile.pixels.copy(pixels, ((y + row) * width + x) * 4, row * 256 * 4, (row * 256 + copyWidth) * 4);
+  });
+  return { width, height, pixels };
+}