76 lines
2.6 KiB
JavaScript
76 lines
2.6 KiB
JavaScript
import { config } from '../config/Config.js';
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/**
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* Formats a generated system into a readable "dossier" for UI.
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*
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* Pure — no Phaser — so it's testable in Node and reusable anywhere a
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* system needs describing (the HUD today; the star map, tooltips, saves,
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* or a terminal UI later). Scenes stay thin: they render what this
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* returns.
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*
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* const report = formatSystemReport(content);
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* // { title, subtitle, settlements: [{ text, color, population }],
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* // gates: [{ text, color }], summary, population }
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*/
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export function formatSystemReport(content, typeDefs = null, kindDefs = null) {
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const types = typeDefs ?? config.get('systems.types', {});
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const kinds = kindDefs ?? config.get('settlements.kinds', {});
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const typeDef = types[content.type] ?? {};
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const planetName = (ordinal) => {
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const p = content.planets.find((pl) => pl.ordinal === ordinal);
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return p ? p.name : `planet ${ordinal}`;
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};
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const settlements = [];
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for (const s of content.settlements ?? []) {
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const def = kinds[s.kind] ?? {};
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const where =
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s.anchor?.type === 'planet' ? `on ${planetName(s.anchor.ordinal)}` : 'in open space';
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settlements.push({
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text: `${s.name} · ${def.label ?? s.kind} ${where}`,
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color: def.theme?.color ?? '#8fa0c9',
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population: s.population ?? 0,
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});
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}
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const population = settlements.reduce((sum, s) => sum + s.population, 0);
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// The jump gates — the system's exits (content.jumps; each line names
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// the star the gate jumps to, in the gate's cyan).
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const gates = (content.jumps ?? []).map((j) => ({
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text: `${j.name} · jump to ${j.toName}`,
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color: config.get('gates.theme.color', '#5fd4ff'),
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}));
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const n = settlements.length;
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const g = gates.length;
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const summary =
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n === 0
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? g === 0
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? 'charted · unclaimed'
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: `unclaimed · ${g} jump gate${g === 1 ? '' : 's'}`
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: `${n} settlement${n === 1 ? '' : 's'} · pop ~${formatPop(population)}` +
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(g ? ` · ${g} jump gate${g === 1 ? '' : 's'}` : '');
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const planetN = content.planets.length;
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const asteroidN = Array.isArray(content.asteroids) ? content.asteroids.length : 0;
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return {
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title: content.name,
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subtitle:
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`${typeDef.label ?? content.type} system · star ${content.star.class} · ${planetN} planet${planetN === 1 ? '' : 's'}` +
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(asteroidN ? ` · ${asteroidN} asteroid cluster${asteroidN === 1 ? '' : 's'}` : ''),
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settlements,
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gates,
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summary,
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population,
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};
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}
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/** 1234 → "1.2k", 9000000 → "9.0M" */
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export function formatPop(n) {
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if (n >= 1e6) return `${(n / 1e6).toFixed(1)}M`;
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if (n >= 1e3) return `${(n / 1e3).toFixed(1)}k`;
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return String(n);
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}
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