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Merge branch 'perf/label-scan' into feat/drawn-set-follows-view

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The label fix turns the brightness order into an index with positions and ids
laid out beside it. The star field only needs the order, so it is handed
`.order`. Both sides added scene tests in the same place; both are kept.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016jxMkwA2rbicdGxHosecYi
This commit is contained in:
Senrokai
2026-09-16 15:11:29 +02:00
co-authored by Claude Opus 5
parent 2d997e41db b071d87d8a
commit c3fcb2e481
4 changed files with 80 additions and 23 deletions
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src/app/features/galaxy-system/galaxy-system-scene.component.ts
+11 -10
View File
@@ -38,7 +38,7 @@ import { StarmapHudComponent } from './starmap-hud.component';
import { SystemObjectCardComponent } from './system-object-card.component';
import { colorIndexToRgb, FOCUS_RADIUS_PC, StarFieldRenderer, starRenderBudgetFromUrl } from './star-field-renderer';
import { collectJumpLinks, minimumRangeBetween, routeBetween } from '../../shared/astro/jump-links';
import { brightestWithin, brightnessOrder } from '../../shared/astro/brightest';
import { BrightnessIndex, brightestWithin, brightnessIndex } from '../../shared/astro/brightest';
import { StarNeighbourhood } from '../../shared/astro/star-neighbourhood';
import { MAX_JUMP_RANGE_PC } from '../hud/routes-panel.component';
import { HostStarRings } from './host-star-rings';
@@ -367,7 +367,7 @@ export class GalaxySystemSceneComponent implements AfterViewInit, OnDestroy {
/** Stars with at least one catalogued body, which are the ones the map can be flown into. */
private starIdsWithBodies = new Set<number>();
/** Catalogue indices, brightest first, for the labels to walk rather than sort. See `brightestWithin`. */
private starsByBrightness: Uint32Array = new Uint32Array(0);
private starsByBrightness: BrightnessIndex = brightnessIndex([]);
/** Stars alone, normalised once, for the two routing fields. Empty until the catalogue lands. */
private readonly starSearchIndex = signal<IndexedSearchEntry[]>([]);
private milkyWay?: MilkyWayRenderer;
@@ -530,7 +530,7 @@ export class GalaxySystemSceneComponent implements AfterViewInit, OnDestroy {
this.stars = stars;
this.starsById = new Map(stars.map((star) => [star.id, star]));
this.neighbourhood = new StarNeighbourhood(stars);
this.starsByBrightness = brightnessOrder(stars);
this.starsByBrightness = brightnessIndex(stars);
this.starSearchIndex.set(
buildSearchIndex(stars.map((star) => ({ kind: 'star' as const, name: star.name, subtitle: star.spectralType, starId: star.id })))
);
@@ -544,7 +544,7 @@ export class GalaxySystemSceneComponent implements AfterViewInit, OnDestroy {
(id): id is number => id !== null && id !== undefined
));
this.starField = new StarFieldRenderer(stars, positions, starRenderBudgetFromUrl(window.location.search), this.starsByBrightness);
this.starField = new StarFieldRenderer(stars, positions, starRenderBudgetFromUrl(window.location.search), this.starsByBrightness.order);
this.galaxyGroup.add(this.starField.object);
this.hostRings = new HostStarRings(stars.filter((star) => this.starIdsWithBodies.has(star.id)), HUD_ACCENT);
this.galaxyGroup.add(this.hostRings.object);
@@ -817,8 +817,8 @@ export class GalaxySystemSceneComponent implements AfterViewInit, OnDestroy {
// for anything with catalogued bodies: it is the one distinction the second line can draw that
// the map cannot otherwise show, since it says which of these points is somewhere you can go.
const starIdsWithBodies = this.starIdsWithBodies;
const candidates = function* (stars: readonly StarRecord[], order: Uint32Array): Generator<LabeledPoint> {
for (const star of brightestWithin(stars, order, target, labelRadius, selectedId)) {
const candidates = function* (stars: readonly StarRecord[], index: BrightnessIndex): Generator<LabeledPoint> {
for (const star of brightestWithin(stars, index, target, labelRadius, selectedId)) {
yield { id: star.id, name: star.name, kind: starIdsWithBodies.has(star.id) ? 'System' : 'Star', x: star.x, y: star.y, z: star.z };
}
};
@@ -853,10 +853,6 @@ export class GalaxySystemSceneComponent implements AfterViewInit, OnDestroy {
const projected = new THREE.Vector3();
for (const candidate of candidates) {
if (chosen.length >= LABEL_MAX_COUNT) {
break;
}
projected.set(candidate.x, candidate.y, candidate.z).project(camera);
const isKept = candidate.id === keepId;
// Offscreen or behind the camera.
@@ -883,6 +879,11 @@ export class GalaxySystemSceneComponent implements AfterViewInit, OnDestroy {
placed.push(point);
chosen.push({ ...candidate, side });
// Here rather than at the top of the loop: there, taking the fifteenth label asked the
// candidates for a sixteenth first, and near the Sun finding one walks most of the catalogue.
if (chosen.length >= LABEL_MAX_COUNT) {
break;
}
}
return chosen;