The autotile asset is renamed to tile and gains a plain None (1 × 1) kind, which is now the default; older projects load their autotiles as floor tiles (#131)

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

tools/e2e/40-tilemap.mjs

@@ -1,10 +1,10 @@
 import { colourDistance } from '../lib/harness.mjs';
 import { LANES, openTab, pickAssetType } from './lib/scaffold.mjs';
-import { quadColour } from './39-autotile.mjs';
+import { quadColour } from './39-tile.mjs';
 
 /**
- * Tilemaps (#128): a placed grid painted with the autotiles of step 39, which is where the sheet
- * and the `at-grass` autotile come from – this step needs it and is run after it.
+ * Tilemaps (#128): a placed grid painted with the tiles of step 39, which is where the sheet
+ * and the `at-grass` tile come from – this step needs it and is run after it.
  *
  * The point of the checks below is that a painted cell really shows the quarters its neighbours
  * call for: they read pixels off the scene view, because everything between the model and the
@@ -101,28 +101,28 @@ export async function tilemap(t) {
   await select({ kind: 'object', holderId: 'scene1', objectIds: [MAP_OBJECT], objectId: MAP_OBJECT });
   await settle();
 
-  // 40b. The inspector paints: a tool, the autotiles of the project, the layers.
+  // 40b. The inspector paints: a tool, the tiles of the project, the layers.
   const section = await json(
-    '(() => ({ tools: __gm.tilemap.toolAt("brush") !== null, grass: __gm.tilemap.autotileAt("at-grass") !== null,' +
+    '(() => ({ tools: __gm.tilemap.toolAt("brush") !== null, grass: __gm.tilemap.tileButtonAt("at-grass") !== null,' +
       ' layers: (__gm.tilemap.layerRowAt(0) || {}).id }))()',
   );
   check(
-    'a selected tilemap offers tools, autotiles and layers in the inspector',
+    'a selected tilemap offers tools, tiles and layers in the inspector',
     section.tools && section.grass && Boolean(section.layers),
     JSON.stringify(section),
   );
-  // Clicked through the hook rather than by its text: the autotile's own row in the asset panel
-  // reads "Grass" as well, and a click there would only select the autotile.
+  // Clicked through the hook rather than by its text: the tile's own row in the asset panel
+  // reads "Grass" as well, and a click there would only select the tile.
   check(
-    'the autotile can be picked in the section',
-    await clickInInspector(t, '__gm.tilemap.autotileAt("at-grass")'),
+    'the tile can be picked in the section',
+    await clickInInspector(t, '__gm.tilemap.tileButtonAt("at-grass")'),
     JSON.stringify(await json('__gm.inspectorRect()')),
   );
   await settle();
   const paint = await json('__gm.tilemap.paint()');
   check(
-    'picking an autotile reaches for the brush by itself',
-    paint.autotileId === 'at-grass' && paint.tool === 'brush',
+    'picking a tile reaches for the brush by itself',
+    paint.tileId === 'at-grass' && paint.tool === 'brush',
     JSON.stringify(paint),
   );
 
@@ -197,10 +197,10 @@ export async function tilemap(t) {
   );
   await settle();
 
-  // 40f. One mesh per autotile, not one per cell – the whole point of drawing it as a mesh.
+  // 40f. One mesh per tile, not one per cell – the whole point of drawing it as a mesh.
   const drawn = await json(`__gm.tilemap.info(${JSON.stringify(MAP_OBJECT)})`);
   check(
-    'nine cells of one autotile are one draw call',
+    'nine cells of one tile are one draw call',
     drawn.tiles === 9 && drawn.drawCalls === 1 && drawn.layers === 1,
     JSON.stringify(drawn),
   );
@@ -229,7 +229,7 @@ export async function tilemap(t) {
     layers.length === 2 && layers[1].cells === 0,
     JSON.stringify(layers),
   );
-  await clickInInspector(t, '__gm.tilemap.autotileAt("at-grass")');
+  await clickInInspector(t, '__gm.tilemap.tileButtonAt("at-grass")');
   await settle();
   const above = await json(`__gm.tilemap.cellAt(${JSON.stringify(MAP_OBJECT)}, 4, 0)`);
   await click(above.x, above.y);