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byrongamatosandClaude Sonnet 4.6
4bb5d21a40
VERBATIM-MOVE: initScene() (4215-5704), bg-helper functions (5706-6221), and
buildBoard() (6242-6571) extracted from screen.js into a new ES module
src/scene-init.js as createSceneInit({...~200 DI params}) → { initScene,
buildBoard, _bgUnmountStyle, _bcSyncMode }.
All factory-scope variables that other modules read go through getter+setter
pairs (no plain-value shorthands) to avoid the fork-class bug from cut-15.
Local alias pattern applied throughout: const _x = new T.Thing(); setX(_x);
closures use getX() to read current value.
Test retargets: highway_3d_context_loss, fret_spacing, pool_warm,
render_order, score_fx, sustain_bloom, sustain_rail, wide_fov — all updated
to search src/scene-init.js alongside screen.js, and patterns broadened for
DI forms (getRen().domElement, getFretG(), getFretTubeGeo(), etc.).
414/414 tests pass. ESLint: scene-init.js 0 errors, 1 max-lines warning.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014uZ169yfoFYArXz962g7KW
50 lines
2.9 KiB
JavaScript
50 lines
2.9 KiB
JavaScript
// Contract test: 3D Highway WebGL context-loss recovery.
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//
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// Switching the active window / alt-tabbing (especially on Windows) can trigger
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// a GPU context reset. Without a handler the lost WebGL context escalates into a
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// render-process crash. The renderer owns its own WebGL canvas + heavy Three.js
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// lifecycle (too much to construct in a vm sandbox), so — like the other
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// highway_* source-contract tests here — this pins the wiring at the source
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// level: the loss must be preventDefault()'d (so the browser restores it), draw
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// must bail while lost, and the listeners must be torn down.
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const { test } = require('node:test');
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const assert = require('node:assert/strict');
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const fs = require('node:fs');
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const path = require('node:path');
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const SCREEN_JS = path.join(__dirname, '..', '..', 'plugins', 'highway_3d', 'screen.js');
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const SCENE_INIT_JS = path.join(__dirname, '..', '..', 'plugins', 'highway_3d', 'src', 'scene-init.js'); // h3d-carve-16
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const src = fs.readFileSync(SCREEN_JS, 'utf8') + '\n' + fs.readFileSync(SCENE_INIT_JS, 'utf8');
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test('binds webglcontextlost + webglcontextrestored on the renderer canvas', () => {
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// h3d-carve-16: DI form uses getRen().domElement instead of ren.domElement
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assert.match(src, /(?:getRen\(\)|ren)\.domElement\.addEventListener\(\s*['"]webglcontextlost['"]/,
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'must listen for webglcontextlost on ren.domElement (the WebGL canvas)');
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assert.match(src, /(?:getRen\(\)|ren)\.domElement\.addEventListener\(\s*['"]webglcontextrestored['"]/,
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'must listen for webglcontextrestored on ren.domElement');
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});
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test('the context-lost handler preventDefaults and pauses drawing', () => {
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// Without preventDefault() the browser will not attempt to restore the
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// context and the loss can escalate to a renderer crash.
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// h3d-carve-16: DI form uses setOnCtxLost((e) => instead of _onCtxLost = (e) =>
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const m = src.match(/(?:_onCtxLost\s*=\s*|setOnCtxLost\()\s*\(e\)\s*=>\s*\{[\s\S]*?\}\s*[;)]/);
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assert.ok(m, '_onCtxLost handler must exist');
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assert.match(m[0], /preventDefault\(\)/, 'context-lost handler must call preventDefault()');
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// h3d-carve-16: DI form uses setCtxLost(true) instead of _ctxLost = true
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assert.match(m[0], /(?:setCtxLost\(true\)|_ctxLost\s*=\s*true)/, 'context-lost handler must set _ctxLost = true');
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});
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test('draw() early-returns while the context is lost', () => {
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assert.match(src, /draw\(bundle\)\s*\{[\s\S]*?if\s*\(_ctxLost\)\s*return;/,
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'draw() must bail while _ctxLost is set so no GL work runs on a dead context');
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});
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test('teardown removes the context-loss listeners', () => {
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assert.match(src, /removeEventListener\(\s*['"]webglcontextlost['"]/,
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'teardown must remove the webglcontextlost listener');
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assert.match(src, /removeEventListener\(\s*['"]webglcontextrestored['"]/,
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'teardown must remove the webglcontextrestored listener');
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});
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