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87 lines
3.7 KiB
JavaScript
87 lines
3.7 KiB
JavaScript
// Pins the renderOrder of fret-number labels and connector/drop lines in
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// plugins/highway_3d/screen.js.
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//
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// The 3D highway uses depth-proportional renderOrder values so near entities
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// paint over far entities while same-depth sublayers stay deterministic. Fret
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// numbers must be labels, not gem peers: they render above the note symbols so
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// incoming gems never partially cover the digits.
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//
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// Same-note ordering:
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// renderOrderForLayerAtZ(z, CHORD_FRAME) chord frame edge
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// renderOrderForLayerAtZ(noteZ, CONNECTOR_LINE) connector / drop line
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// renderOrderForLayerAtZ(noteZ, NOTE_OUTLINE) gem outline
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// renderOrderForLayerAtZ(noteZ, NOTE_CORE) gem core
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// renderOrderForLayerAtZ(noteZ, TECHNIQUE_MARKER) technique marker
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// renderOrderForLayerAtZ(noteZ, NOTE_FRET_LABEL) primary fret number
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// renderOrderForLayerAtZ(noteZ, ARP_NOTE_FRET_LABEL) arpeggio fret-number tie-breaker
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//
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// Source-level regex checks; no Three.js or DOM required.
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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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let _src;
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/** Returns the cached 3D highway screen source under test. */
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function src() {
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if (!_src) _src = fs.readFileSync(SCREEN_JS, 'utf8');
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return _src;
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}
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test('connector line uses the named connector layer', () => {
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assert.match(
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src(),
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/line\.renderOrder\s*=\s*renderOrderForLayerAtZ\(\s*noteZ\s*,\s*_isArpNote\s*\?\s*'ARP_CONNECTOR_LINE'\s*:\s*'CONNECTOR_LINE'\s*\)\s*;/,
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'pConnectorLine renderOrder must use the connector layer names',
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);
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});
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test('primary fret label renders above gem core and technique markers', () => {
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assert.match(
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src(),
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/fretLabel\.renderOrder\s*=\s*renderOrderForLayerAtZ\(\s*noteZ\s*,\s*_isArpNote\s*\?\s*'ARP_NOTE_FRET_LABEL'\s*:\s*'NOTE_FRET_LABEL'\s*\)\s*;/,
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'pNoteFretLabel renderOrder must use the fret-label layer names',
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);
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});
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test('synthetic chord fret label uses the same label layer as primary labels', () => {
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assert.match(
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src(),
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/fl2\.renderOrder\s*=\s*renderOrderForLayerAtZ\(\s*noteZ\s*,\s*_isArp2\s*\?\s*'ARP_NOTE_FRET_LABEL'\s*:\s*'NOTE_FRET_LABEL'\s*\)\s*;/,
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'fl2 renderOrder must use the same fret-label layer names',
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);
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});
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test('drop line uses the named connector layer below gems', () => {
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assert.match(
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src(),
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/dl\.renderOrder\s*=\s*renderOrderForLayerAtZ\(\s*noteZ\s*,\s*'CONNECTOR_LINE'\s*\)\s*;/,
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'pDropLine renderOrder must use CONNECTOR_LINE',
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);
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});
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test('chord-loop fret labels render above same-depth gem symbols', () => {
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assert.match(
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src(),
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/lbl\.renderOrder\s*=\s*renderOrderForLayerAtZ\(\s*z\s*,\s*'CHORD_FRET_LABEL'\s*\)\s*;/,
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'chord-loop fret label must use CHORD_FRET_LABEL',
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);
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});
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test('chord frame and note outline use named depth-layer helper calls', () => {
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assert.match(src(), /const\s+chordFrameRenderOrder\s*=\s*renderOrderForLayerAtZ\(\s*z\s*,\s*'CHORD_FRAME'\s*\)\s*;/);
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assert.match(src(), /outline\.renderOrder\s*=\s*renderOrderForLayerAtZ\(\s*noteZ\s*,\s*'NOTE_OUTLINE'\s*\)\s*;/);
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});
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test('no fixed low renderOrder assignments remain for affected label paths', () => {
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const s = src();
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assert.doesNotMatch(s, /fretLabel\.renderOrder\s*=\s*(?:16|23)\s*;/);
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assert.doesNotMatch(s, /fl2\.renderOrder\s*=\s*(?:16|23)\s*;/);
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assert.doesNotMatch(s, /lbl\.renderOrder\s*=\s*21\s*;/);
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assert.doesNotMatch(s, /line\.renderOrder\s*=\s*_isArpNote\s*\?\s*22\s*:\s*15\s*;/);
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assert.doesNotMatch(s, /dl\.renderOrder\s*=\s*22\s*;/);
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});
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