Dejvino
6c7e314a3e
New shared component src/ui/preview.js (appFrameUrl + previewLink): song + seed + frame + venue/venueSel deep-links. App honors ?frame= (warm seek on bank-song load) and ?venueSel= via shared pinVenueShell helper (src/venues/pin.js), which filmstrip and venue-gallery now also use. Filmstrip figures and venue-gallery cards wrap canvases; gallery cells stay unlinked (isolated scene probes, not reproducible in-app).
45 lines
1.9 KiB
JavaScript
45 lines
1.9 KiB
JavaScript
// Pin one venue shell onto a look.
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//
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// The same shell-swap in three places: the filmstrip's `venueSel`, the venue
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// gallery's venue picker, and the app's `?venueSel=`. Only the shell is
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// forced — module/name/archetype. The VenueSpec population stays the census
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// one (counts overlap between archetypes), so this is what makes a pinned
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// preview the exact image the app reproduces, rather than a nearby one.
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import { venues } from './registry.js';
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/**
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* Force `look.venue` to render as the named venue.
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*
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* @param {object} look LookSpec from generateLook (mutated in place)
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* @param {string} name venue name, e.g. 'Ride'
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* @param {object} [opts]
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* @param {number} [opts.seed] seed for a from-scratch spec (default 1)
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* @param {boolean} [opts.buildIfMissing] build a neutral spec when the
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* census produced no venue at all (the venue gallery does; the filmstrip
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* keeps the no-venue video instead)
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* @returns {boolean} true when a venue is pinned afterwards
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*/
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export function pinVenueShell(look, name, { seed = 1, buildIfMissing = false } = {}) {
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if (!name || !look) return false;
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const picked = venues.find((v) => v.name === name);
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if (!picked) throw new Error(`unknown venue "${name}"`);
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if (!look.venue) {
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if (!buildIfMissing) return false;
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look.venue = {
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archetype: picked.archetype, name: picked.name, seed,
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shell: { kind: picked.archetype }, projection: { kind: 'screen' },
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population: { kind: 'scatter', count: 5, spread: 0.7, jitter: 0.25 },
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paletteMap: [0, 1, 2, 3],
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perSection: (look.sections || []).map(
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() => ({ light: 0.7, fog: 0.35, popMul: 0.65, reachMul: 0.85 })),
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venue: true, readsDepth: false, module: picked,
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};
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return true;
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}
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look.venue.module = picked;
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look.venue.name = picked.name;
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look.venue.archetype = picked.archetype;
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return true;
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}
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