Source identity
| Field | Recorded value |
|---|---|
| Source type | GitHub source |
| Original record | Janady13/thatstupidcomputer / apps/web/src/animation/mobile/MobileCharacter.tsx |
| Date | Not specified in source |
| Repository | Janady13/thatstupidcomputer |
| Revision | 57555cde46910102dd25d6c1c1fb2c359e9655bd |
| Branch | main |
| Path or archive member | apps/web/src/animation/mobile/MobileCharacter.tsx |
| Original SHA-256 | f34f3639cbfeac5a929009c4f44881c89d5b2eae74c0dc39e059b516280b8c91 |
| Git blob SHA | 6f95d387414f1609021069145eb55ccc36dd5a53 |
| Reading-copy SHA-256 | f34f3639cbfeac5a929009c4f44881c89d5b2eae74c0dc39e059b516280b8c91 |
Recovered source transcript
Download complete source text ↓81 lines · 6.1 KB
'use client';
import { forwardRef, useEffect, useId, useImperativeHandle, useRef, useState } from 'react';
import { CharacterArt } from './CharacterArt';
import { loadCharacter, safeAction, advanceTravel } from '../core/contracts.mjs';
import type { CharacterController } from './character-controller.mjs';
import type { CharacterModel, Clip, ActionName, CharacterSlug } from './types';
export interface CharacterHandle { seek: (seconds: number) => void; replay: () => void }
export interface MobileCharacterProps {
character?: CharacterSlug; action?: ActionName; paused?: boolean; replay?: number;
attitudeEnabled?: boolean; travel?: boolean; playbackRate?: number;
assetBase?: string; className?: string;
onReady?: () => void; onError?: (error: unknown) => void;
onComplete?: (action: ActionName) => void;
onFrame?: (frame: { time: number; duration: number; progress: number }) => void;
}
interface Loaded { model: CharacterModel; clips: Clip[] }
/** Lazy geometry and motion data. SSR always supplies a size-reserved poster. */
export const MobileCharacter = forwardRef<CharacterHandle, MobileCharacterProps>(function MobileCharacter({ character = 'smartphone', action = 'Idle', paused = false, replay = 0, attitudeEnabled = false, travel = false, playbackRate = 1, assetBase = '/animation', className = '', onError, onReady, onFrame, onComplete }, ref) {
const [loaded, setLoaded] = useState<Loaded | null>(null); const [error, setError] = useState(false);
const svg = useRef<SVGSVGElement>(null); const stage = useRef<HTMLDivElement>(null); const actor = useRef<HTMLDivElement>(null);
const controller = useRef<CharacterController | null>(null); const unique = useId();
const performed = safeAction(action, attitudeEnabled);
const current = useRef({ performed, paused, playbackRate, onError, onReady, onFrame, onComplete, travel });
current.current = { performed, paused, playbackRate, onError, onReady, onFrame, onComplete, travel };
const travelState = useRef({ x: 0, direction: 1, max: 0 });
useImperativeHandle(ref, () => ({ seek: seconds => controller.current?.seek(seconds), replay: () => controller.current?.setAction(current.current.performed, { immediate: true }) }), []);
useEffect(() => {
const abort = new AbortController(); setLoaded(null); setError(false);
void loadCharacter(assetBase, character, abort.signal).then(value => { if (!abort.signal.aborted) setLoaded(value); }).catch(err => {
if (!abort.signal.aborted) { setError(true); current.current.onError?.(err); }
});
return () => abort.abort();
}, [assetBase, character]);
useEffect(() => {
if (!loaded || loaded.model.slug !== character) return;
let cancelled = false; let local: CharacterController | null = null;
void import('./character-controller.mjs').then(({ CharacterController: Player }) => {
if (cancelled || !svg.current) return;
const latest = current.current;
local = new Player(svg.current, loaded.model, loaded.clips, {
action: latest.performed, paused: latest.paused, censored: true,
onRender: frame => current.current.onFrame?.(frame),
onComplete: name => current.current.onComplete?.(name),
onAdvance: ({ dt, clip }) => {
if (!current.current.travel || !actor.current || !stage.current || !local || !/^(Walk|Run)(Left|Right)$/.test(local.action)) return;
const scale = actor.current.clientHeight / loaded.model.height;
const position = advanceTravel(travelState.current.x, travelState.current.direction, dt, Math.abs(clip.travelPerCycle) / clip.seconds * scale, travelState.current.max);
const changed = position.direction !== travelState.current.direction;
travelState.current = { ...travelState.current, ...position };
actor.current.style.transform = `translateX(${position.x}px)`;
if (changed) local.setAction(local.action.startsWith('Run') ? position.direction > 0 ? 'RunRight' : 'RunLeft' : position.direction > 0 ? 'WalkRight' : 'WalkLeft', { immediate: true });
},
});
local.setPlaybackRate(latest.playbackRate); controller.current = local; latest.onReady?.();
}).catch(err => { local?.destroy(); if (controller.current === local) controller.current = null; if (!cancelled) { setError(true); current.current.onError?.(err); } });
return () => { cancelled = true; local?.destroy(); if (controller.current === local) controller.current = null; };
}, [loaded, character]);
useEffect(() => { controller.current?.setAction(performed); travelState.current.direction = performed.endsWith('Left') ? -1 : 1; }, [performed, replay]);
useEffect(() => { if (paused) controller.current?.pause(); else controller.current?.resume(); }, [paused]);
useEffect(() => { controller.current?.setPlaybackRate(playbackRate); }, [playbackRate]);
useEffect(() => {
if (!stage.current || !actor.current) return;
const measure = () => {
if (!stage.current || !actor.current) return;
travelState.current.max = Math.max(0, stage.current.clientWidth - actor.current.clientWidth);
travelState.current.x = Math.min(travelState.current.x, travelState.current.max);
actor.current.style.transform = travel ? `translateX(${travelState.current.x}px)` : 'translateX(-50%)';
};
travelState.current = { x: 0, direction: performed.endsWith('Left') ? -1 : 1, max: 0 };
measure(); const observer = new ResizeObserver(measure); observer.observe(stage.current);
return () => observer.disconnect();
}, [travel, character, loaded]);
const ready = loaded?.model.slug === character && !error;
return <div ref={stage} className={`tsc-mobile-stage ${travel ? 'is-travelling' : ''} ${className}`} data-character={character} data-instance={unique} data-renderer={ready ? 'svg' : 'poster'}>
<div className="tsc-mobile-actor" ref={actor}>
{ready && loaded ? <CharacterArt key={character} ref={svg} model={loaded.model} /> : <img src={`${assetBase}/mobile/${character}/poster.svg`} width={720} height={920} alt="" />}
</div>
{error && <p className="tsc-fallback-note" role="status">Motion unavailable. The character artwork remains visible.</p>}
</div>;
});