Refactoring: one file per node, consistent comments, shared helpers, split large modules

- Graph: nodes.ts split into nodes/<category>/<Type>.ts (62 files) with
  shared.ts factories and index.ts registry; NodeContext/values/NodeRegistry
  separated, writeTyped() replaces duplicated typed writes
- Comments: one style (JSDoc on non-obvious exports, // for decisions and
  traps), wrong/stale comments fixed or removed, ids.ts now real 10 base-36 chars
- Core: chainOf, shared worldPosition/editorPosition core, commands/require.ts,
  commands/naming.ts, util/list.ts, setBagValue/toPosition/propDef; dead code
  removed (isBehaviorAsset, SCENE_OBJECT_SCHEMA, CommandStack.subscribe,
  Input.axis, setMode, titleText, World.worldPosition, unused ctor params)
- Editor: Inspector split into inspector/ sections, App.ts into Editor.ts +
  debugHook.ts + shortcuts.ts, Viewport into items.ts + symbols.ts, shared
  "Add collider" action, unified type labels/swatches
- UI toolkit: Widget.trackHover/onPointerRelease, drawControlBox, math helpers,
  Popup.openBelow, Menu/Dialog/ColorPicker/ListRow in own files, named Theme sizes
- Tools: seed-demo/smoke-demo and demo-check project removed, tools/lib
  (harness, projects, builders), e2e.mjs as runner over tools/e2e/*.mjs sections
- Tests: tests/helpers.ts replaces copied fixtures and NodeContext doubles

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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rootandClaude Fable 5.1 committed 2026-09-08 08:37:22 +02:00
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#!/usr/bin/env node
/**
* Headless end-to-end test driven over the Chrome DevTools Protocol.
* Usage: PATH=/opt/node22/bin:$PATH node tools/e2e.mjs [projectId] [baseUrl]
* Writes screenshots to /tmp/gm-e2e-*.png and prints PASS/FAIL checks. No dependencies.
* Headless end-to-end checks of the editor, driven over the Chrome DevTools Protocol.
* Usage: PATH=/opt/node22/bin:$PATH node tools/seed-e2e.mjs && node tools/e2e.mjs [projectId] [baseUrl]
* Prints PASS/FAIL per check, writes screenshots to /tmp/gm-e2e-*.png. No dependencies.
*
* Runs against the dedicated fixture project (the demo project is refused) and mutates it:
* node tools/seed-e2e.mjs && node tools/e2e.mjs
* The scene it expects is produced by tools/seed-e2e.mjs.
* Runs against the fixture project written by tools/seed-e2e.mjs and mutates it heavily; the
* steps in tools/e2e/ run in order and build on each other's scene state.
*/
import { runChecks } from './harness.mjs';
import { PROJECTS, cliArgs } from './projects.mjs';
import { STEPS } from './e2e/index.mjs';
import { runChecks } from './lib/harness.mjs';
import { PROJECTS, cliArgs } from './lib/projects.mjs';
const { projectId, baseUrl } = cliArgs('e2e.mjs', PROJECTS.fixture);
await runChecks({ projectId, baseUrl, port: 9333, shotPrefix: 'gm-e2e' }, async (t) => {
const {
cdp, consoleLog, check, sleep,
evaluate, locate, shot, mouse, click, clickText, drag, keyPress, typeText, api, sceneOf, stateJson,
} = t;
await cdp.send('Page.navigate', { url: `${baseUrl}?project=${projectId}` });
await sleep(4000);
await shot('01-loaded');
check('page loaded without exceptions', !consoleLog.some((l) => l.startsWith('EXCEPTION')), consoleLog.filter((l) => l.startsWith('EXCEPTION')).join(' | '));
check('debug hook present', Boolean(await evaluate('Boolean(window.__gm)')));
// 0a. Hierarchy folding. A freshly opened scene is fully collapsed, so only its top-level
// objects are listed (o4/oc1 hang under o1, oc2 under o2). The chevron folds a row open
// and shut without touching the selection, and selecting a nested object unfolds the way
// down to it.
const rowIds = () => evaluate('JSON.stringify(__gm.hierarchyOrder())').then(JSON.parse);
const selectionBefore = JSON.parse(await stateJson()).selection;
check('hierarchy starts collapsed – only top-level objects are listed', JSON.stringify(await rowIds()) === JSON.stringify(['o1', 'o2', 'o3', 'o5']), JSON.stringify(await rowIds()));
check('a leaf row offers no chevron', (await evaluate(`__gm.hierarchyChevron('o3')`)) === null);
const chevron = JSON.parse(await evaluate(`JSON.stringify(__gm.hierarchyChevron('o2'))`));
await click(chevron.x, chevron.y);
await sleep(150);
check(
'clicking the chevron unfolds the row, leaving the selection alone',
JSON.stringify(await rowIds()) === JSON.stringify(['o1', 'o2', 'oc2', 'o3', 'o5']) && JSON.stringify(JSON.parse(await stateJson()).selection) === JSON.stringify(selectionBefore),
JSON.stringify(await rowIds()),
);
await shot('01a-hierarchy-unfolded');
await click(chevron.x, chevron.y);
await sleep(150);
check('clicking it again folds the subtree away', JSON.stringify(await rowIds()) === JSON.stringify(['o1', 'o2', 'o3', 'o5']), JSON.stringify(await rowIds()));
await evaluate(`__gm.state.select({ kind: 'object', sceneId: 'scene1', objectId: 'oc1' })`);
await sleep(150);
check('selecting a nested object unfolds its ancestors', JSON.stringify(await rowIds()) === JSON.stringify(['o1', 'o4', 'oc1', 'o2', 'o3', 'o5']), JSON.stringify(await rowIds()));
await evaluate('__gm.state.select(null); __gm.hierarchyCollapseAll()');
await sleep(150);
check('Collapse all folds everything back', JSON.stringify(await rowIds()) === JSON.stringify(['o1', 'o2', 'o3', 'o5']), JSON.stringify(await rowIds()));
// 1. Select the blue crate in the hierarchy.
await clickText('Blue crate');
let s = JSON.parse(await stateJson());
check('hierarchy click selects object', s.selection?.kind === 'object' && s.selection.objectId === 'o2', JSON.stringify(s.selection));
await shot('02-object-selected');
// 2. Rename via inspector: the name field sits right of the "Name" label.
const nameLabel = await locate('Name');
await click(nameLabel.x + 160, nameLabel.y);
await keyPress('a', 'KeyA', { modifiers: 2, windowsVirtualKeyCode: 65 }); // Ctrl+A in the bridge input
await typeText('Renamed crate');
await shot('03-typing');
await keyPress('Enter', 'Enter', { windowsVirtualKeyCode: 13 });
await sleep(200);
s = JSON.parse(await stateJson());
const nameNow = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').name`);
check('typing + Enter renamed the object', nameNow === 'Renamed crate', JSON.stringify(nameNow));
await shot('04-renamed');
// 3. Scrub the X field (right of the "X" label) by 100 px.
const xLabel = await locate('X');
await drag(xLabel.x + 160, xLabel.y, xLabel.x + 260, xLabel.y);
const xNow = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x`);
check('scrubbing X moved the object', xNow > 120, `x=${xNow}`);
await shot('05-scrubbed');
// 3b. Type into X, then click straight into the empty viewport: the typed value must be
// committed (not reverted) even though the click deselects and rebuilds the inspector.
const center = await evaluate('__gm.viewportCenter()');
await click(xLabel.x + 160, xLabel.y); // plain click → text editing with everything selected
await typeText('300');
await click(center.x, center.y + 250);
const xTyped = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x`);
s = JSON.parse(await stateJson());
check('typed X survives clicking into the viewport', xTyped === 300 && s.selection === null, `x=${xTyped} selection=${JSON.stringify(s.selection)}`);
// 4. Drag the red crate in the viewport. It is at world (-150,0); the view is centred
// on the origin, so compute its screen position from the viewport widget bounds.
await drag(center.x - 150, center.y, center.x - 50, center.y - 70);
const o1Now = await evaluate(`JSON.stringify(__gm.state.activeScene.objects.find(o => o.id === 'o1').position)`);
check('viewport drag moved the red crate', JSON.parse(o1Now).x > -150, o1Now);
await shot('06-dragged');
// 5. Autosave → server.
await sleep(1800);
const saved = await api(`projects/${projectId}`);
const renamed = sceneOf(saved).objects.find((o) => o.id === 'o2');
check('rename persisted', renamed.name === 'Renamed crate', renamed.name);
check('scrub persisted', renamed.position.x > 120, JSON.stringify(renamed.position));
check('override kept', renamed.overrides.color === 4491519, JSON.stringify(renamed.overrides));
check('save status is saved', (JSON.parse(await stateJson())).save === 'saved');
// 6. Undo four times (drag, typed X, scrub, rename) with Ctrl+Z, then redo once.
await click(center.x, center.y + 200); // click empty viewport → deselect, drop focus
for (let i = 0; i < 4; i++) {
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(80);
}
const afterUndo = JSON.parse(await evaluate(`JSON.stringify(__gm.state.activeScene.objects.map(o => ({ id: o.id, name: o.name, x: o.position.x })))`));
check('undo reverted drag, typed X, scrub and rename', afterUndo[0].x === -150 && afterUndo[1].x === 120 && afterUndo[1].name === 'Blue crate', JSON.stringify(afterUndo));
await keyPress('z', 'KeyZ', { modifiers: 10, windowsVirtualKeyCode: 90 }); // Ctrl+Shift+Z
const afterRedo = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').name`);
check('redo restored the rename', afterRedo === 'Renamed crate', afterRedo);
await shot('07-undo-redo');
// 7. Play: the camera frame is rendered (both crates lie inside the 640×360 frame at the
// origin; the behavior symbol is editor-only). The "Mover" behavior owns the red crate:
// holding ArrowRight moves it in the world (Axis input × speed × dt), Esc stops without
// touching the model.
await clickText('Renamed crate');
const xBeforePlay = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x`);
await clickText('▶ Play');
await sleep(300);
s = JSON.parse(await stateJson());
check('play mode entered', s.mode === 'play', JSON.stringify(s));
let info = await evaluate('JSON.stringify(__gm.gameInfo())');
check('play renders the camera frame with both crates', JSON.parse(info).rendering && JSON.parse(info).visibleItems === 2, info);
await shot('08-playing');
await cdp.send('Input.dispatchKeyEvent', { type: 'keyDown', key: 'ArrowRight', code: 'ArrowRight', windowsVirtualKeyCode: 39 });
await sleep(400);
await cdp.send('Input.dispatchKeyEvent', { type: 'keyUp', key: 'ArrowRight', code: 'ArrowRight', windowsVirtualKeyCode: 39 });
const worldAfterRight = JSON.parse(await evaluate('JSON.stringify(__gm.world())'));
const movedCrate = worldAfterRight.entities.find((e) => e.objectId === 'o1');
check('behavior graph moved its owner while ArrowRight was held', movedCrate.x > -150 + 30, `world x=${movedCrate.x}`);
await cdp.send('Input.dispatchKeyEvent', { type: 'keyDown', key: 'ArrowLeft', code: 'ArrowLeft', windowsVirtualKeyCode: 37 });
await sleep(250);
await cdp.send('Input.dispatchKeyEvent', { type: 'keyUp', key: 'ArrowLeft', code: 'ArrowLeft', windowsVirtualKeyCode: 37 });
const afterLeft = JSON.parse(await evaluate('JSON.stringify(__gm.world())')).entities.find((e) => e.objectId === 'o1');
check('ArrowLeft (axis x = −1) moved the owner back left', afterLeft.x < movedCrate.x, `world x=${afterLeft.x}`);
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(300);
s = JSON.parse(await stateJson());
check('escape stopped play', s.mode === 'edit', JSON.stringify(s));
await shot('09-stopped');
const o2AfterPlay = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x`);
const o1AfterPlay = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o1').position.x`);
check('play did not write back to the model', o2AfterPlay === xBeforePlay && o1AfterPlay === -150, `${o2AfterPlay} vs ${xBeforePlay}, o1=${o1AfterPlay}`);
// 7a. Editing while playing: Play opens the Game tab, the panels stay open and edit a runtime
// copy. Moving the blue crate (model hook + preview, as a scrub does) and deleting it with
// the Delete key change the world at once, undo brings it back, Esc restores the saved model.
await clickText('▶ Play');
await sleep(300);
check('play opens the Game tab', (await evaluate('__gm.tab()')) === 'game');
check('panels stay visible while playing', Boolean(await evaluate(`__gm.locate('INSPECTOR')`)) && (await evaluate('__gm.hierarchyExpandAll(); __gm.hierarchyOrder().length')) === 7);
await evaluate(`__gm.state.select({ kind: 'object', sceneId: 'scene1', objectId: 'o2' })`);
await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x = 400; __gm.state.preview()`);
await sleep(100);
let liveO2 = JSON.parse(await evaluate('JSON.stringify(__gm.world())')).entities.find((e) => e.objectId === 'o2');
check('an edit while playing moves the entity in the world', liveO2 && liveO2.x === 400, JSON.stringify(liveO2));
await shot('08b-editing-while-playing');
await keyPress('Delete', 'Delete', { windowsVirtualKeyCode: 46 });
await sleep(150);
const liveIds = JSON.parse(await evaluate('JSON.stringify(__gm.world())')).entities.map((e) => e.objectId);
check('Delete while playing removes the entity and its collider child from the world', !liveIds.includes('o2') && !liveIds.includes('oc2') && liveIds.length === 5, JSON.stringify(liveIds));
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
liveO2 = JSON.parse(await evaluate('JSON.stringify(__gm.world())')).entities.find((e) => e.objectId === 'o2');
check('undo while playing brings the entity back into the world', liveO2 && liveO2.x === 400, JSON.stringify(liveO2));
// 7a-ii. Spawning: the "Spawner" behavior places a Crate at (0, 150) on Space. The new object
// shows up in the runtime scene (hierarchy), in the world and in the Game view at once;
// Stop discards it with the rest of the runtime copy.
const visibleBeforeSpawn = JSON.parse(await evaluate('JSON.stringify(__gm.gameInfo())')).visibleItems;
await keyPress(' ', 'Space', { windowsVirtualKeyCode: 32 });
await sleep(200);
const spawnedObjects = JSON.parse(await evaluate('JSON.stringify(__gm.state.activeScene.objects)'));
const spawned = spawnedObjects.find((o) => !['o1', 'o2', 'o3', 'o4', 'o5', 'oc1', 'oc2'].includes(o.id));
check('Spawn node adds a crate object to the runtime scene at (0, 150)', spawned && spawned.assetId === 'crate' && spawned.parentId === '' && spawned.position.x === 0 && spawned.position.y === 150 && spawnedObjects.length === 8, JSON.stringify(spawned));
const spawnWorld = JSON.parse(await evaluate('JSON.stringify(__gm.world())'));
check('the spawned entity lives in the world and its name reached the Log node', spawnWorld.entities.length === 8 && spawnWorld.log.includes('Crate'), JSON.stringify({ n: spawnWorld.entities.length, log: spawnWorld.log }));
check('hierarchy lists the spawned object', (await evaluate('__gm.hierarchyExpandAll(); __gm.hierarchyOrder().length')) === 8);
info = await evaluate('JSON.stringify(__gm.gameInfo())');
check('the Game view renders the spawned crate', JSON.parse(info).visibleItems === visibleBeforeSpawn + 1, `${info} before=${visibleBeforeSpawn}`);
await shot('08c-spawned');
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(300);
const o2AfterEdit = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x`);
check('stop restores the saved model untouched by play-mode edits (spawned object gone)', o2AfterEdit === xBeforePlay && (await evaluate('__gm.state.activeScene.objects.length')) === 7, `x=${o2AfterEdit}`);
check('stop returns to the Scene tab', (await evaluate('__gm.tab()')) === 'scene');
// 7b. Culling: move the blue crate far outside the camera frame → only one item visible.
await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x = 5000; __gm.state.preview()`);
await clickText('▶ Play');
await sleep(300);
info = await evaluate('JSON.stringify(__gm.gameInfo())');
check('objects outside the camera frame are culled', JSON.parse(info).visibleItems === 1, info);
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(200);
await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o2').position.x = ${xBeforePlay}; __gm.state.preview()`);
// 7c. Without a camera nothing is rendered: delete the camera object, play, then undo.
await evaluate(`__gm.state.select({ kind: 'object', sceneId: 'scene1', objectId: 'o3' })`);
await keyPress('Delete', 'Delete', { windowsVirtualKeyCode: 46 });
await sleep(200);
check('camera object deleted', (await evaluate('__gm.state.activeScene.objects.length')) === 6);
await clickText('▶ Play');
await sleep(300);
info = await evaluate('JSON.stringify(__gm.gameInfo())');
s = JSON.parse(await stateJson());
check('play without camera renders nothing', s.mode === 'play' && !JSON.parse(info).rendering && JSON.parse(info).visibleItems === 0, info);
check('play without camera shows a notice', s.notice.includes('no camera'), s.notice);
await shot('10-play-no-camera');
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(300);
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(200);
check('undo restored the camera object', (await evaluate('__gm.state.activeScene.objects.length')) === 7);
// 8. Context menu on the Crate asset → menu shows "Place in scene".
await clickText('Crate', 'right');
await sleep(200);
const menuVisible = await evaluate(`Boolean(__gm.locate('Place in scene'))`);
check('asset context menu opens', menuVisible);
await shot('11-context-menu');
await clickText('Place in scene');
await sleep(200);
const count = await evaluate('__gm.state.activeScene.objects.length');
check('placing from the menu adds an object', count === 8, `objects=${count}`);
// 9. Create a new asset through the + menu.
await clickText('+');
await sleep(150);
await clickText('Sprite');
await sleep(200);
const assets = await evaluate(`JSON.stringify(__gm.state.project.assets.map(a => a.name))`);
check('+ menu creates a sprite asset', JSON.parse(assets).includes('Sprite'), assets);
await shot('12-new-asset');
// 10. Symbols stay on top: put the camera first in the hierarchy (drawn first) and a crate
// right on top of its icon → the icon must still be drawn above the sprite.
await evaluate(`(() => {
const objs = __gm.state.activeScene.objects;
const cam = objs.splice(objs.findIndex(o => o.id === 'o3'), 1)[0];
objs.unshift(cam);
const crate = objs.find(o => o.id === 'o1');
crate.position.x = 0; crate.position.y = 0;
__gm.state.select(null);
__gm.state.preview();
})()`);
await sleep(200);
const layers = await evaluate(`JSON.stringify([__gm.layerOf('o3'), __gm.layerOf('o1'), __gm.layerOf('o2')])`);
check('camera symbol is drawn in the overlay layer above sprites', layers === '["overlay","objects","objects"]', layers);
await shot('13-symbol-on-top');
// 11. Z-order: put both crates on the origin. With equal z the hierarchy order wins
// (o1 before o2 → o2 on top); raising o1's z draws it above o2; undo restores it.
await evaluate(`(() => {
const o2 = __gm.state.activeScene.objects.find(o => o.id === 'o2');
o2.position.x = 0; o2.position.y = 0;
__gm.state.preview();
})()`);
await sleep(200);
const orderBefore = await evaluate(`JSON.stringify(__gm.drawOrder().filter(id => id === 'o1' || id === 'o2'))`);
check('equal z keeps hierarchy order', orderBefore === '["o1","o2"]', orderBefore);
await evaluate(`__gm.state.select({ kind: 'object', sceneId: __gm.state.activeScene.id, objectId: 'o1' })`);
await sleep(200);
const zLabel = await locate('Z');
await click(zLabel.x + 160, zLabel.y); // plain click → text editing with everything selected
await typeText('5');
await keyPress('Enter', 'Enter', { windowsVirtualKeyCode: 13 });
await sleep(200);
const zNow = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o1').position.z`);
check('Z field sets position.z', zNow === 5, `z=${zNow}`);
const orderAfter = await evaluate(`JSON.stringify(__gm.drawOrder().filter(id => id === 'o1' || id === 'o2'))`);
check('higher z is drawn on top', orderAfter === '["o2","o1"]', orderAfter);
await shot('14-z-order');
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(200);
const zUndone = await evaluate(`__gm.state.activeScene.objects.find(o => o.id === 'o1').position.z`);
check('undo restores z', zUndone === 0, `z=${zUndone}`);
// 12. Asset defaults: the Crate asset has height 60 (schema default 100), width and
// color at their defaults → exactly one reset button is visible. Clicking it puts
// height back to 100 and hides the button; undo brings 60 back.
await evaluate(`__gm.state.select({ kind: 'asset', assetId: 'crate' })`);
await sleep(200);
const resetButton = await evaluate(`__gm.locate('↺')`);
check('asset inspector shows a reset for the non-default height', Boolean(resetButton));
await click(resetButton.x, resetButton.y);
await sleep(200);
const heightReset = await evaluate(`__gm.state.project.assets.find(a => a.id === 'crate').props.height`);
check('reset puts the asset property back to its default', heightReset === 100, `height=${heightReset}`);
check('reset button hidden once the value is at default', !(await evaluate(`__gm.locate('↺')`)));
await shot('15-asset-reset');
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(200);
const heightUndone = await evaluate(`__gm.state.project.assets.find(a => a.id === 'crate').props.height`);
check('undo restores the asset value', heightUndone === 60, `height=${heightUndone}`);
check('reset button visible again after undo', Boolean(await evaluate(`__gm.locate('↺')`)));
// 13. Behavior graph editor. Selecting the Mover asset binds the graph; the Graph tab shows it.
await clickText('Mover');
await evaluate(`__gm.showTab('graph')`);
await sleep(250);
check('graph editor shows the selected behavior', (await evaluate(`__gm.graph.current()`)) === 'mover' && (await evaluate('__gm.tab()')) === 'graph');
await shot('16-graph');
const nodeOf = (id) => evaluate(`JSON.stringify(__gm.state.project.assets.find(a => a.id === 'mover').graph.nodes.find(n => n.id === ${JSON.stringify(id)}))`).then(JSON.parse);
const graphCounts = () => evaluate(`(() => { const g = __gm.state.project.assets.find(a => a.id === 'mover').graph; return JSON.stringify({ nodes: g.nodes.length, edges: g.edges.length }); })()`).then(JSON.parse);
// 13a. Drag a node: clicking its title selects it, dragging moves it (undoable).
const mulBefore = await nodeOf('n-axis');
const mulPos = JSON.parse(await evaluate(`JSON.stringify(__gm.graph.nodeAt('n-axis'))`));
await drag(mulPos.x, mulPos.y, mulPos.x + 60, mulPos.y + 40);
s = JSON.parse(await stateJson());
const mulAfter = await nodeOf('n-axis');
check('dragging a node selects and moves it', s.selection?.kind === 'node' && s.selection.nodeId === 'n-axis' && mulAfter.x === mulBefore.x + 60 && mulAfter.y === mulBefore.y + 40, `${JSON.stringify(s.selection)} ${mulBefore.x},${mulBefore.y} → ${mulAfter.x},${mulAfter.y}`);
check('node inspector shows the node', Boolean(await evaluate(`__gm.locate('Axis input')`)) && Boolean(await evaluate(`__gm.locate('DATA NODE')`)));
// The Move node's unconnected `scale` shows its port default (1) once its edge is removed;
// with the edge present the inspector hides it. Port defaults are covered by unit tests.
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
const mulUndone = await nodeOf('n-axis');
check('undo moves the node back', mulUndone.x === mulBefore.x && mulUndone.y === mulBefore.y, `${mulUndone.x},${mulUndone.y}`);
// 13a. Regression: typing a query and then *clicking* a row must add exactly one node.
// (Previously the search field's blur-commit picked the first match and the row click
// picked it again → two nodes.)
const gcenter = JSON.parse(await evaluate(`JSON.stringify(__gm.graph.center())`));
const beforeClickPick = await graphCounts();
await click(gcenter.x + 250, gcenter.y + 250, 'right');
await sleep(250);
check('node palette opens (row-click case)', Boolean(await evaluate(`__gm.locate('Search nodes…')`)));
await typeText('stop');
await sleep(150);
const stopRow = await locate('Stop game'); // unique on screen (nothing else on screen shows this label)
await click(stopRow.x, stopRow.y);
await sleep(250);
const afterClickPick = await graphCounts();
check('clicking a palette row adds exactly one node', afterClickPick.nodes === beforeClickPick.nodes + 1, JSON.stringify({ beforeClickPick, afterClickPick }));
check('palette closed after row click', !(await evaluate(`__gm.locate('Search nodes…')`)));
// Undo so 13b finds the same empty spot and the expected graph.
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
check('undo removes the clicked node again', (await graphCounts()).nodes === beforeClickPick.nodes);
// 13b. Right-click the empty canvas → palette → search "log" → Enter adds a Log node.
const before13 = await graphCounts();
await click(gcenter.x + 250, gcenter.y + 250, 'right');
await sleep(250);
check('node palette opens', Boolean(await evaluate(`__gm.locate('Search nodes…')`)));
await typeText('log');
await sleep(100);
await keyPress('Enter', 'Enter', { windowsVirtualKeyCode: 13 });
await sleep(250);
const after13 = await graphCounts();
s = JSON.parse(await stateJson());
const newNode = s.selection?.kind === 'node' ? await nodeOf(s.selection.nodeId) : null;
check('palette adds a Log node and selects it', after13.nodes === before13.nodes + 1 && newNode?.type === 'Log', JSON.stringify({ after13, newNode }));
await shot('17-node-added');
// 13c. Connect: drag from the upper Move node's exec output onto the Log node's exec input.
const fromPort = JSON.parse(await evaluate(`JSON.stringify(__gm.graph.portAt('n-move', 'exec', true))`));
const toPort = JSON.parse(await evaluate(`JSON.stringify(__gm.graph.portAt(${JSON.stringify(newNode.id)}, 'exec', false))`));
await drag(fromPort.x, fromPort.y, toPort.x, toPort.y, 16);
const connected = await graphCounts();
check('dragging port to port connects the nodes', connected.edges === before13.edges + 1, JSON.stringify(connected));
// An exec output must not connect to a data input: dragging onto "message" does nothing.
const dataPort = JSON.parse(await evaluate(`JSON.stringify(__gm.graph.portAt(${JSON.stringify(newNode.id)}, 'message', false))`));
await drag(fromPort.x, fromPort.y, dataPort.x, dataPort.y, 16);
check('incompatible ports are rejected', (await graphCounts()).edges === before13.edges + 1 && s.mode === 'edit');
await shot('18-connected');
// 13d. Delete removes the selected node together with its edge; undo brings both back.
await evaluate(`__gm.state.select({ kind: 'node', assetId: 'mover', nodeId: ${JSON.stringify(newNode.id)} })`);
await keyPress('Delete', 'Delete', { windowsVirtualKeyCode: 46 });
await sleep(150);
const deleted = await graphCounts();
check('Delete removes the node and its edge', deleted.nodes === before13.nodes && deleted.edges === before13.edges, JSON.stringify(deleted));
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
const restored = await graphCounts();
check('undo restores node and edge', restored.nodes === before13.nodes + 1 && restored.edges === before13.edges + 1, JSON.stringify(restored));
// 13e. Play always starts on the Game tab; switching to Graph while playing shows
// the live highlight: hold ArrowRight → the exec edge is hot.
const fpsEdit = await evaluate('__gm.fps()');
check('fps readout is measured in edit mode', typeof fpsEdit === 'number' && fpsEdit > 0, `fps=${fpsEdit}`);
// Single evaluate: the readout refreshes twice a second, so read value and label together.
const fpsLabel = await evaluate(`!!__gm.locate(__gm.fps() + ' fps')`);
check('fps label is visible in the toolbar', fpsLabel === true);
await clickText('▶ Play');
await sleep(200);
check('play switches to the game tab', (await evaluate('__gm.tab()')) === 'game');
await sleep(600);
const fpsPlay = await evaluate('__gm.fps()');
check('fps readout keeps running in play mode', typeof fpsPlay === 'number' && fpsPlay > 0, `fps=${fpsPlay}`);
await evaluate(`__gm.showTab('graph')`);
await sleep(100);
await cdp.send('Input.dispatchKeyEvent', { type: 'keyDown', key: 'ArrowRight', code: 'ArrowRight', windowsVirtualKeyCode: 39 });
await sleep(300);
await shot('19-graph-live');
await cdp.send('Input.dispatchKeyEvent', { type: 'keyUp', key: 'ArrowRight', code: 'ArrowRight', windowsVirtualKeyCode: 39 });
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(200);
// 13f. Variables: "+ Variable ▾" → Number adds "var1" with default 0; undo removes it.
await evaluate(`__gm.state.select({ kind: 'asset', assetId: 'mover' })`);
await sleep(150);
await clickText('+ Variable ▾');
await sleep(150);
await clickText('Number');
await sleep(200);
const vars = JSON.parse(await evaluate(`JSON.stringify(__gm.state.project.assets.find(a => a.id === 'mover').variables.map(v => v.key))`));
check('adding a variable declares it on the behavior', vars.join(',') === 'speed,var1', vars.join(','));
await shot('20-variable-added');
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
const varsUndone = JSON.parse(await evaluate(`JSON.stringify(__gm.state.project.assets.find(a => a.id === 'mover').variables.map(v => v.key))`));
check('undo removes the variable', varsUndone.join(',') === 'speed', varsUndone.join(','));
// 13g. The graph strictly mirrors the selection: nothing / a non-behavior → empty editor.
await evaluate(`__gm.state.select(null)`);
await sleep(100);
check('graph editor empties when nothing is selected', (await evaluate(`__gm.graph.current()`)) === null);
await evaluate(`__gm.state.select({ kind: 'asset', assetId: 'cam' })`);
await sleep(100);
check('graph editor stays empty for a non-behavior asset', (await evaluate(`__gm.graph.current()`)) === null);
await evaluate(`__gm.state.select({ kind: 'asset', assetId: 'mover' })`);
await sleep(100);
check('graph editor rebinds when a behavior is selected again', (await evaluate(`__gm.graph.current()`)) === 'mover');
await evaluate(`__gm.showTab('scene')`);
// 14. Hierarchy / parenting. Give both crates unique names, then drag the blue crate's row
// onto the red crate's row: it becomes a child, keeps its world position (local becomes
// the difference) and is listed right below its parent.
await evaluate(`(() => {
const objs = __gm.state.activeScene.objects;
const o1 = objs.find(o => o.id === 'o1'); const o2 = objs.find(o => o.id === 'o2');
o1.name = 'Red crate'; o1.position = { x: -150, y: 0, z: 0 };
o2.name = 'Blue crate'; o2.position = { x: 120, y: -80, z: 0 }; o2.parentId = '';
__gm.state.select(null);
__gm.state.preview();
})()`);
await sleep(200);
const redRow = await locate('Red crate');
const blueRow = await locate('Blue crate');
await drag(blueRow.x, blueRow.y, redRow.x, redRow.y);
await sleep(200);
const objectJson = (id) => evaluate(`JSON.stringify(__gm.state.activeScene.objects.find(o => o.id === '${id}'))`);
let o2 = JSON.parse(await objectJson('o2'));
check('dropping a row onto another parents it, keeping the world position', o2.parentId === 'o1' && o2.position.x === 270 && o2.position.y === -80, JSON.stringify(o2));
const order = JSON.parse(await evaluate(`__gm.hierarchyExpandAll(); JSON.stringify(__gm.hierarchyOrder())`));
// o1's subtree: o2 (list order before o4) with its collider child, then o4, then o1's collider.
const o1At = order.indexOf('o1');
check('children are listed directly below their parent', JSON.stringify(order.slice(o1At + 1, o1At + 5)) === JSON.stringify(['o2', 'oc2', 'o4', 'oc1']), JSON.stringify(order));
await shot('20-parented');
// 14a. Moving the parent (X field of the red crate) drags the child along in world space.
await clickText('Red crate');
const xField = await locate('X');
await click(xField.x + 160, xField.y);
await keyPress('a', 'KeyA', { modifiers: 2, windowsVirtualKeyCode: 65 });
await typeText('-50');
await keyPress('Enter', 'Enter', { windowsVirtualKeyCode: 13 });
await sleep(200);
o2 = JSON.parse(await objectJson('o2'));
const worldOfO2 = await evaluate(`(() => { const s = __gm.state.activeScene; const child = s.objects.find(x => x.id === 'o2'); const parent = s.objects.find(x => x.id === child.parentId); return JSON.stringify({ x: child.position.x + parent.position.x, y: child.position.y + parent.position.y }); })()`);
check('moving the parent moves the child in world space (local unchanged)', o2.position.x === 270 && worldOfO2 === '{"x":220,"y":-80}', `${JSON.stringify(o2.position)} world=${worldOfO2}`);
// 14b. Play: entities mirror the hierarchy; undo restores parent and position.
await evaluate(`__gm.state.select(null)`);
await keyPress('Enter', 'Enter', { modifiers: 2, windowsVirtualKeyCode: 13 });
await sleep(300);
const playWorld = await evaluate('JSON.stringify(__gm.world())');
const e2 = JSON.parse(playWorld).entities.find((e) => e.objectId === 'o2');
check('play instantiates the parent link and world positions', e2 && e2.parent === 'o1' && e2.worldX === 220 && e2.x === 270, JSON.stringify(e2));
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(200);
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 }); // undo move
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 }); // undo parent
await sleep(200);
o2 = JSON.parse(await objectJson('o2'));
check('undo restores top level and the original local position', o2.parentId === '' && o2.position.x === 120 && o2.position.y === -80, JSON.stringify(o2));
// 14c. Parent via the inspector menu, then "Unparent" from the hierarchy context menu:
// the world position is kept both ways.
await clickText('Blue crate');
await clickText('None ▾');
await sleep(150);
const menuEntry = await locate('Red crate', true); // the popup is drawn last; the hierarchy row has the same text
await click(menuEntry.x, menuEntry.y);
await sleep(200);
o2 = JSON.parse(await objectJson('o2'));
check('inspector Parent menu parents the object', o2.parentId === 'o1' && o2.position.x === 270, JSON.stringify(o2));
const blueRow2 = await locate('Blue crate');
await click(blueRow2.x, blueRow2.y, 'right');
await sleep(150);
await clickText('Unparent (move to top level)');
await sleep(200);
o2 = JSON.parse(await objectJson('o2'));
check('Unparent moves the object to the top level, keeping its world position', o2.parentId === '' && o2.position.x === 120 && o2.position.y === -80, JSON.stringify(o2));
// 15. Colliders. Right-click the red crate → "Add collider": a collider asset sized like the
// crate (100×60) is placed as its child at the centre, selected and drawn in the overlay.
// The seed already gives both crates a "Crate collider" child (oc1/oc2), so the added one
// is undone again afterwards to keep exactly one collider per body for 15a/15b.
const objectsBeforeCollider = await evaluate('__gm.state.activeScene.objects.length');
const redRow3 = await locate('Red crate');
await click(redRow3.x, redRow3.y, 'right');
await sleep(150);
await clickText('Add collider');
await sleep(200);
s = JSON.parse(await stateJson());
const colObj = s.selection?.kind === 'object' ? JSON.parse(await objectJson(s.selection.objectId)) : null;
const colAsset = colObj ? JSON.parse(await evaluate(`JSON.stringify(__gm.state.project.assets.find(a => a.id === '${colObj.assetId}'))`)) : null;
check('Add collider creates a collider child sized like the sprite', colObj?.parentId === 'o1' && colAsset?.type === 'collider' && colAsset.props.width === 100 && colAsset.props.height === 60, JSON.stringify({ colObj, colAsset }));
check('collider is drawn in the overlay layer', colObj && (await evaluate(`__gm.layerOf('${colObj.id}')`)) === 'overlay');
check('collider inspector shows the shape menu', Boolean(await evaluate(`__gm.locate('Box ▾')`)));
await shot('21-collider');
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(200);
const colliderAssetGone = colAsset ? !(await evaluate(`__gm.state.project.assets.some(a => a.id === '${colAsset.id}')`)) : false;
check('undo removes the added collider object and its asset', (await evaluate('__gm.state.activeScene.objects.length')) === objectsBeforeCollider && colliderAssetGone);
// 15a. Wire "On collision enter → Log(other)" into the Mover (owner = red crate) and play with
// the crates overlapping (each carries its seeded collider): the log names the blue crate
// exactly once (enter, not stay), and colliders are not rendered in play mode.
await evaluate(`(() => {
const scene = __gm.state.activeScene;
const mover = __gm.state.project.assets.find(a => a.id === 'mover');
mover.graph.nodes.push({ id: 'n-hit', type: 'OnCollisionEnter', x: 0, y: 600, params: {} }, { id: 'n-hitlog', type: 'Log', x: 340, y: 600, params: {} });
mover.graph.edges.push(
{ id: 'e-hit1', from: { node: 'n-hit', port: 'exec' }, to: { node: 'n-hitlog', port: 'exec' } },
{ id: 'e-hit2', from: { node: 'n-hit', port: 'other' }, to: { node: 'n-hitlog', port: 'message' } });
scene.objects.find(o => o.id === 'o2').position = { x: -100, y: 0, z: 0 }; // 50 from the red crate → 100-wide boxes overlap
__gm.state.select(null);
__gm.state.preview();
})()`);
await keyPress('Enter', 'Enter', { modifiers: 2, windowsVirtualKeyCode: 13 });
await sleep(500);
const collisionWorld = JSON.parse(await evaluate('JSON.stringify(__gm.world())'));
check('On collision enter fired once with the other body', collisionWorld && collisionWorld.log.filter((l) => l === 'Blue crate').length === 1, JSON.stringify(collisionWorld?.log));
const spriteCount = await evaluate(`__gm.state.activeScene.objects.filter(o => __gm.state.project.assets.find(a => a.id === o.assetId)?.type === 'sprite').length`);
info = await evaluate('JSON.stringify(__gm.gameInfo())');
check('colliders are not rendered in the game view', JSON.parse(info).visibleItems === spriteCount, `${info} sprites=${spriteCount}`);
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(200);
// 15b. Solid vs trigger. Put the blue crate 150 to the right of the red one (red 100 wide, the
// blue collider 140 wide → 30 of free travel) and hold ArrowRight: the Mover's Move
// (Collide with solids) parks the red crate flush against the blue one at world x = −120.
// Making the blue collider a trigger lets it pass through instead (drawn amber).
const holdRight = async (ms) => {
await cdp.send('Input.dispatchKeyEvent', { type: 'keyDown', key: 'ArrowRight', code: 'ArrowRight', windowsVirtualKeyCode: 39 });
await sleep(ms);
await cdp.send('Input.dispatchKeyEvent', { type: 'keyUp', key: 'ArrowRight', code: 'ArrowRight', windowsVirtualKeyCode: 39 });
};
const playAgainstBlue = async (trigger, speed = 0) => {
await evaluate(`(() => {
const scene = __gm.state.activeScene;
scene.objects.find(o => o.id === 'o2').position = { x: 0, y: 0, z: 0 };
scene.objects.find(o => o.id === 'oc2').overrides = ${trigger ? '{ width: 140, isTrigger: true }' : '{ width: 140 }'};
${speed ? `__gm.state.project.assets.find(a => a.id === 'mover').props.speed = ${speed};` : ''}
__gm.state.select(null);
__gm.state.preview();
})()`);
await keyPress('Enter', 'Enter', { modifiers: 2, windowsVirtualKeyCode: 13 });
await sleep(300);
await holdRight(700);
const w = JSON.parse(await evaluate('JSON.stringify(__gm.world())'));
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(200);
return w.entities.find((e) => e.objectId === 'o1');
};
const blocked = await playAgainstBlue(false);
check('Move with "Collide with solids" stops the red crate flush against the blue crate\'s solid collider', blocked && Math.abs(blocked.x - -120) < 0.01, `world x=${blocked?.x}`);
const passed = await playAgainstBlue(true);
check('a trigger collider does not block (the crate passes through)', passed && passed.x > -120 + 20, `world x=${passed?.x}`);
// A frame step far larger than the collider must not jump across it (the movement is split
// into sub-steps); speed is restored afterwards so later checks see the seeded value.
const fast = await playAgainstBlue(false, 40000);
check('a very fast mover cannot tunnel through a solid collider', fast && Math.abs(fast.x - -120) < 0.5, `world x=${fast?.x}`);
await evaluate(`(() => { __gm.state.project.assets.find(a => a.id === 'mover').props.speed = 200; __gm.state.preview(); })()`);
await evaluate(`__gm.state.select({ kind: 'object', objectId: 'oc2' })`);
await sleep(200);
await shot('22-trigger-collider');
// 16. Multi-selection. Reset both crates to known spots, then Ctrl-click the second row in
// the hierarchy: both are selected, the inspector shows the multi view.
await evaluate(`(() => {
const objs = __gm.state.activeScene.objects;
const o1 = objs.find(o => o.id === 'o1'); const o2 = objs.find(o => o.id === 'o2');
o1.position = { x: -150, y: 0, z: 0 }; o1.parentId = '';
o2.position = { x: 120, y: -80, z: 0 }; o2.parentId = '';
objs.find(o => o.id === 'oc2').overrides = { width: 140 };
__gm.state.select(null);
__gm.state.preview();
})()`);
await sleep(200);
const clickMod = async (x, y, modifiers) => {
await mouse('mouseMoved', x, y);
await mouse('mousePressed', x, y, 'left', { modifiers });
await mouse('mouseReleased', x, y, 'left', { modifiers });
await sleep(150);
};
await clickText('Red crate');
const blueRow3 = await locate('Blue crate');
await clickMod(blueRow3.x, blueRow3.y, 2); // Ctrl
s = JSON.parse(await stateJson());
check('Ctrl-click in the hierarchy adds to the selection', s.selection?.kind === 'object' && JSON.stringify(s.selection.objectIds) === '["o1","o2"]' && s.selection.objectId === 'o2', JSON.stringify(s.selection));
check('inspector shows the multi-selection', Boolean(await evaluate(`__gm.locate('2 OBJECTS SELECTED')`)));
await shot('23-multi-selected');
await clickMod(blueRow3.x, blueRow3.y, 2);
s = JSON.parse(await stateJson());
check('Ctrl-click again removes the object from the selection', s.selection?.kind === 'object' && JSON.stringify(s.selection.objectIds) === '["o1"]', JSON.stringify(s.selection));
await clickMod(blueRow3.x, blueRow3.y, 2);
// 16a. Create container: both crates (with their colliders and the Mover) become the content
// of a new container asset; the scene gets one container object at the selection's
// centre (-15,-40), the crates hang below it with recomputed local positions, world
// positions are unchanged, and the container is selected.
const assetsBeforeContainer = await evaluate('__gm.state.project.assets.length');
const objectsBeforeContainer = await evaluate('__gm.state.activeScene.objects.length');
await clickText('Create container');
await sleep(250);
s = JSON.parse(await stateJson());
const containerObj = s.selection?.kind === 'object' ? JSON.parse(await objectJson(s.selection.objectId)) : null;
const containerAsset = containerObj ? JSON.parse(await evaluate(`JSON.stringify(__gm.state.project.assets.find(a => a.id === '${containerObj.assetId}'))`)) : null;
check('Create container adds one container asset and one placed container, selected', containerAsset?.type === 'container' && s.selection.objectIds.length === 1 && (await evaluate('__gm.state.project.assets.length')) === assetsBeforeContainer + 1 && (await evaluate('__gm.state.activeScene.objects.length')) === objectsBeforeContainer + 1, JSON.stringify({ containerObj, type: containerAsset?.type }));
check('the container sits at the centre of the selection', containerObj && containerObj.parentId === '' && containerObj.position.x === -15 && containerObj.position.y === -40 && containerObj.position.z === 0, JSON.stringify(containerObj?.position));
let o1c = JSON.parse(await objectJson('o1'));
const o2c = JSON.parse(await objectJson('o2'));
check('the crates are re-parented below the container with local positions relative to its centre', o1c.parentId === containerObj?.id && o1c.position.x === -135 && o1c.position.y === 40 && o2c.parentId === containerObj?.id && o2c.position.x === 135 && o2c.position.y === -40, JSON.stringify({ o1: o1c.position, o2: o2c.position }));
check('the template holds the whole subtree (2 crates, 2 colliders, the Mover)', containerAsset?.objects.length === 5 && containerAsset.objects.filter((t) => t.parentId === '').length === 2 && o1c.templateId && containerAsset.objects.some((t) => t.id === o1c.templateId), JSON.stringify(containerAsset?.objects.map((t) => [t.assetId, t.parentId === '' ? 'root' : 'child'])));
const orderC = JSON.parse(await evaluate('__gm.hierarchyExpandAll(); JSON.stringify(__gm.hierarchyOrder())'));
const cAt = orderC.indexOf(containerObj?.id);
check('hierarchy lists the container with its content indented below', cAt >= 0 && JSON.stringify(orderC.slice(cAt)) === JSON.stringify([containerObj.id, 'o1', 'o4', 'oc1', 'o2', 'oc2']), JSON.stringify(orderC));
check('container symbol is drawn in the overlay layer', containerObj && (await evaluate(`__gm.layerOf('${containerObj.id}')`)) === 'overlay');
await shot('24-container-created');
// 16b. Dragging the container symbol in the viewport moves the whole group; undo restores it.
const cScreen = JSON.parse(await evaluate(`JSON.stringify(__gm.objectScreen('${containerObj.id}'))`));
await drag(cScreen.x, cScreen.y, cScreen.x + 100, cScreen.y);
const containerMoved = JSON.parse(await objectJson(containerObj.id));
o1c = JSON.parse(await objectJson('o1'));
check('dragging the container moves the group (children keep their local position)', containerMoved.position.x === 85 && o1c.position.x === -135, JSON.stringify({ container: containerMoved.position, o1: o1c.position }));
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
check('undo moves the container back', JSON.parse(await objectJson(containerObj.id)).position.x === -15);
// 16c. Rubber band on empty space around the red crate (world x −230…−90, y −50…50): picks
// the objects whose position lies inside – the crate and its collider, not the Mover
// (at y = 110), not the camera (at the origin).
await drag(center.x - 230, center.y - 50, center.x - 90, center.y + 50);
s = JSON.parse(await stateJson());
check('rubber-band selection picks the objects inside it', s.selection?.kind === 'object' && JSON.stringify([...s.selection.objectIds].sort()) === '["o1","oc1"]', JSON.stringify(s.selection));
await shot('25-marquee');
// 16d. Dragging one of several selected objects moves all of them as one undo step.
const redScreen = JSON.parse(await evaluate(`JSON.stringify(__gm.objectScreen('o1'))`));
await evaluate(`__gm.state.select({ kind: 'object', sceneId: 'scene1', objectId: 'o2', objectIds: ['o1', 'o2'] })`);
await drag(redScreen.x, redScreen.y + 20, redScreen.x + 50, redScreen.y + 20);
o1c = JSON.parse(await objectJson('o1'));
const o2d = JSON.parse(await objectJson('o2'));
check('dragging a multi-selection moves every selected object', o1c.position.x === -85 && o2d.position.x === 185, JSON.stringify({ o1: o1c.position, o2: o2d.position }));
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
o1c = JSON.parse(await objectJson('o1'));
check('one undo restores both', o1c.position.x === -135 && JSON.parse(await objectJson('o2')).position.x === 135);
// 16e. Delete with a multi-selection removes all of them (with subtrees) as one step.
const objectsBeforeDelete = await evaluate('__gm.state.activeScene.objects.length');
await evaluate(`__gm.state.select({ kind: 'object', sceneId: 'scene1', objectId: 'o2', objectIds: ['o1', 'o2'] })`);
await keyPress('Delete', 'Delete', { windowsVirtualKeyCode: 46 });
await sleep(150);
check('Delete removes the whole multi-selection with its subtrees', (await evaluate('__gm.state.activeScene.objects.length')) === objectsBeforeDelete - 5);
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(150);
check('undo restores all of them', (await evaluate('__gm.state.activeScene.objects.length')) === objectsBeforeDelete);
// 16f. Placing the container asset again from the asset panel creates a second instance:
// the root plus 5 content objects with fresh ids, the crate copy at the same offset.
await clickText(containerAsset.name, 'right');
await sleep(150);
await clickText('Place in scene');
await sleep(250);
const afterPlace = JSON.parse(await evaluate('JSON.stringify(__gm.state.activeScene.objects)'));
const secondRoot = afterPlace.find((o) => o.assetId === containerAsset.id && o.id !== containerObj.id);
const secondCrate = secondRoot && afterPlace.find((o) => o.parentId === secondRoot.id && o.templateId === o1c.templateId);
check('placing the container asset instantiates its content below a new container object', afterPlace.length === objectsBeforeDelete + 6 && secondCrate && secondCrate.position.x === -135 && secondCrate.position.y === 40, JSON.stringify({ count: afterPlace.length, secondCrate }));
await shot('26-container-placed');
// 16g. Apply / revert on a container instance. The red crate (o1) is part of the first
// container; the second instance has an unmodified copy of it. Moving o1 on x shows
// ↑ and ↺ on the X row; ↑ writes x into the template and the copy follows; undo takes
// both back; ↺ puts o1 back to the template value.
const templateA = () => evaluate(`JSON.stringify(__gm.state.project.assets.find(a => a.id === '${containerAsset.id}').objects.find(t => t.id === '${o1c.templateId}'))`).then(JSON.parse);
await evaluate(`__gm.state.select({ kind: 'object', sceneId: 'scene1', objectId: 'o1' })`);
await sleep(200);
check('inspector names the container the object is part of', Boolean(await evaluate(`__gm.locate(${JSON.stringify(containerAsset.name)})`)));
check('no apply/revert while the instance matches its template', !(await evaluate(`__gm.locate('↑')`)) && !(await evaluate(`__gm.locate('↺')`)));
await evaluate(`(() => { __gm.state.activeScene.objects.find(o => o.id === 'o1').position.x = -100; __gm.state.preview(); })()`);
await sleep(200);
const applyButton = await evaluate(`__gm.locate('↑')`);
check('a moved instance shows apply and revert on its X row', Boolean(applyButton) && Boolean(await evaluate(`__gm.locate('↺')`)));
await shot('27-apply-buttons');
await click(applyButton.x, applyButton.y);
await sleep(200);
check('apply writes x into the template and the unmodified copy follows', (await templateA()).position.x === -100 && JSON.parse(await objectJson(secondCrate.id)).position.x === -100, JSON.stringify({ template: (await templateA()).position, copy: JSON.parse(await objectJson(secondCrate.id)).position }));
check('apply hides the buttons again', !(await evaluate(`__gm.locate('↑')`)));
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(200);
check('undo restores template and copy', (await templateA()).position.x === -135 && JSON.parse(await objectJson(secondCrate.id)).position.x === -135);
const revertButton = await evaluate(`__gm.locate('↺')`);
await click(revertButton.x, revertButton.y);
await sleep(200);
check('revert puts the instance back to the template position', JSON.parse(await objectJson('o1')).position.x === -135);
// 16h. Overrides on an instance offer a menu: "Apply to container" or "Apply to asset".
await evaluate(`(() => { __gm.state.activeScene.objects.find(o => o.id === 'o1').overrides.width = 77; __gm.state.preview(); })()`);
await sleep(200);
const applyMenu = await evaluate(`__gm.locate('↑ ▾')`);
check('an overridden property on an instance shows the apply menu button', Boolean(applyMenu));
await click(applyMenu.x, applyMenu.y);
await sleep(150);
check('the menu offers container and asset', Boolean(await evaluate(`__gm.locate('Apply to container')`)) && Boolean(await evaluate(`__gm.locate('Apply to asset')`)));
await shot('28-apply-menu');
await clickText('Apply to asset');
await sleep(200);
const crateAfterApply = JSON.parse(await evaluate(`JSON.stringify(__gm.state.project.assets.find(a => a.id === 'crate').props)`));
check('Apply to asset writes the value into the asset and drops the override', crateAfterApply.width === 77 && JSON.parse(await objectJson('o1')).overrides.width === undefined, JSON.stringify(crateAfterApply));
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(200);
check('undo restores asset and override', (await evaluate(`__gm.state.project.assets.find(a => a.id === 'crate').props.width`)) === 100 && JSON.parse(await objectJson('o1')).overrides.width === 77);
await click(applyMenu.x, applyMenu.y);
await sleep(150);
await clickText('Apply to container');
await sleep(200);
check('Apply to container writes the override into the template and the copy', (await templateA()).overrides.width === 77 && JSON.parse(await objectJson(secondCrate.id)).overrides.width === 77);
// 16i. o1 now matches its template (both 77) but still overrides the asset (100). Only bases
// the value really differs from are offered, so "Reset to container" is left out and the
// menu collapses to a direct ↺. Deviating from both brings the menu back.
await sleep(200);
check(
'a reset that would change nothing is left out – a direct button instead of a menu',
Boolean(await evaluate(`__gm.locate('↺')`)) && !(await evaluate(`__gm.locate('↺ ▾')`)) && !(await evaluate(`__gm.locate('↑ ▾')`)),
);
await evaluate(`(() => { __gm.state.activeScene.objects.find(o => o.id === 'o1').overrides.width = 55; __gm.state.preview(); })()`);
await sleep(200);
const resetMenu = await evaluate(`__gm.locate('↺ ▾')`);
check('deviating from template and asset brings the reset menu back', Boolean(resetMenu));
await click(resetMenu.x, resetMenu.y);
await sleep(150);
check('the reset menu offers container and asset', Boolean(await evaluate(`__gm.locate('Reset to container')`)) && Boolean(await evaluate(`__gm.locate('Reset to asset')`)));
await shot('28b-reset-menu');
await clickText('Reset to container');
await sleep(200);
check('Reset to container puts the override back on the template value', JSON.parse(await objectJson('o1')).overrides.width === 77);
const singleReset = await evaluate(`__gm.locate('↺')`);
check('with only the asset left to differ from, the menu is a single button again', Boolean(singleReset) && !(await evaluate(`__gm.locate('↺ ▾')`)));
await click(singleReset.x, singleReset.y);
await sleep(200);
check('↺ drops the override so the object follows the asset again', JSON.parse(await objectJson('o1')).overrides.width === undefined && (await templateA()).overrides.width === 77);
// Dropping the override left the object on the asset value (100) while the template still
// says 77 – that is a real deviation, so exactly one entry remains: "Reset to container".
check('the remaining deviation from the template keeps a single button, not a menu', Boolean(await evaluate(`__gm.locate('↺')`)) && !(await evaluate(`__gm.locate('↺ ▾')`)));
await keyPress('z', 'KeyZ', { modifiers: 2, windowsVirtualKeyCode: 90 });
await sleep(200);
check('undo restores the override', JSON.parse(await objectJson('o1')).overrides.width === 77);
// 17. Text assets: created through the + menu, placed, and rendered as real text in the scene.
await clickText('+');
await sleep(150);
await clickText('Text');
await sleep(200);
const textAssetId = await evaluate(`(__gm.state.project.assets.find(a => a.type === 'text') || {}).id`);
check('+ menu creates a text asset', Boolean(textAssetId));
await evaluate(`(() => {
const id = ${JSON.stringify(textAssetId)};
__gm.state.project.assets.find(a => a.id === id).props.text = 'Hello world';
// On the camera so the game view really renders it (outside the frame it would be culled).
const cam = __gm.state.activeScene.objects.find(o => o.id === 'o3').position;
__gm.state.activeScene.objects.push({ id: 'otext', assetId: id, name: '', position: { x: cam.x, y: cam.y, z: 5 }, overrides: {}, parentId: '', templateId: '' });
__gm.state.select({ kind: 'object', sceneId: 'scene1', objectIds: ['otext'], objectId: 'otext' });
__gm.state.preview();
})()`);
await sleep(300);
check('a placed text object draws its content in the scene', Boolean(await evaluate(`Boolean(__gm.locate('Hello world'))`)));
await shot('29-text-object');
// 17a. The enabled switch: every object has it, switching it off is a normal override, and a
// switched-off object disappears from the scene view too (it stays in the hierarchy).
const enabledRow = await evaluate(`__gm.locate('Enabled')`);
check('the inspector shows the Enabled switch for a scene object', Boolean(enabledRow));
const visibleBefore = (await evaluate('__gm.viewportInfo()')).visibleItems;
// The checkbox sits right of the 64 px label column; locate() gives the label's text centre.
await click(enabledRow.x + 55, enabledRow.y);
await sleep(250);
const textObject = JSON.parse(await objectJson('otext'));
check('clicking it writes an override instead of changing the asset', textObject.overrides.enabled === false, JSON.stringify(textObject.overrides));
check('a switched-off object is not drawn in the scene view', (await evaluate(`JSON.stringify(__gm.drawOrder().includes('otext'))`)) === 'false');
const visibleAfter = (await evaluate('__gm.viewportInfo()')).visibleItems;
check('the scene view renders one item less', visibleAfter === visibleBefore - 1, `${visibleBefore} → ${visibleAfter}`);
check('it stays selectable in the hierarchy, so its switch stays reachable', Boolean(await evaluate(`__gm.locate('Enabled')`)));
await shot('30-disabled');
// 17b. In the running game a switched-off object does not exist: it is not rendered, and
// switching it back on brings it back.
await clickText('▶ Play');
await sleep(500);
const offItems = JSON.parse(await evaluate('JSON.stringify(__gm.gameInfo().visibleItems)'));
await evaluate(`(() => { __gm.state.activeScene.objects.find(o => o.id === 'otext').overrides.enabled = true; __gm.state.preview(); })()`);
await sleep(400);
const onItems = JSON.parse(await evaluate('JSON.stringify(__gm.gameInfo().visibleItems)'));
check('the game renders one item more once the object is switched on', onItems === offItems + 1, `${offItems} → ${onItems}`);
await keyPress('Escape', 'Escape', { windowsVirtualKeyCode: 27 });
await sleep(300);
check('stop leaves the play-mode switch behind', JSON.parse(await objectJson('otext')).overrides.enabled === false);
await t.navigate();
await t.shot('01-loaded');
for (const step of STEPS) await step(t);
});