persistence.ts

Blame: the commit that last changed each line · file · history

`aa6e5a99` 2026-04-13 Pavel Safronov	1	const DATA_VERSION = 3
`f1262fd9` 2026-04-12 Pavel Safronov	2
	3	const KEYS = {
`aa6e5a99` 2026-04-13 Pavel Safronov	4	settings: 'nuts-settings-v3',
	5	snapshot: 'nuts-snapshot-v3',
`f1262fd9` 2026-04-12 Pavel Safronov	6	} as const
	7
	8	// ── Settings ───────────────────────────────────────────────────────────────
	9
	10	export interface PersistedSettings {
	11	v: number
	12	nutRadius: number
`937f9abc` 2026-04-12 Pavel Safronov	13	gravityMode?: string
	14	vibrateEnabled?: boolean
`98ba5504` 2026-04-13 Pavel Safronov	15	vibrateItems?: boolean
	16	vibrateEdges?: boolean
`74d506c6` 2026-04-12 Pavel Safronov	17	kind?: string
`98ba5504` 2026-04-13 Pavel Safronov	18	randomPool?: string[]
`aa6e5a99` 2026-04-13 Pavel Safronov	19	refill?: boolean
`f1262fd9` 2026-04-12 Pavel Safronov	20	}
	21
	22	export function loadSettings(): PersistedSettings \| null {
	23	try {
	24	const raw = localStorage.getItem(KEYS.settings)
	25	if (!raw) return null
	26	const parsed = JSON.parse(raw) as PersistedSettings
	27	if (parsed.v !== DATA_VERSION) return null
	28	return parsed
	29	} catch {
	30	return null
	31	}
	32	}
	33
	34	export function saveSettings(s: Omit<PersistedSettings, 'v'>): void {
	35	try {
	36	localStorage.setItem(KEYS.settings, JSON.stringify({ v: DATA_VERSION, ...s }))
	37	} catch { /* storage full – ignore */ }
	38	}
	39
	40	// ── Nut snapshot ───────────────────────────────────────────────────────────
	41
	42	export interface NutSnapshot {
	43	x: number // normalised 0..1 (relative to screen size)
	44	y: number
	45	angle: number
	46	radius: number // absolute px
	47	colorIndex: number
`a2e3ea1a` 2026-04-13 Pavel Safronov	48	kind: 'nut' \| 'gem' \| 'balloon' \| 'metalnut' \| 'rock' \| 'stressball' \| 'coin'
`f1262fd9` 2026-04-12 Pavel Safronov	49	gemVariant: number
	50	}
	51
	52	export interface SnapshotRecord {
	53	v: number
	54	screenW: number
	55	screenH: number
	56	nuts: NutSnapshot[]
	57	}
	58
	59	export function saveSnapshot(
`a2e3ea1a` 2026-04-13 Pavel Safronov	60	nuts: Array<{ body: { position: { x: number; y: number }; angle: number }; radius: number; colorIndex: number; kind: 'nut' \| 'gem' \| 'balloon' \| 'metalnut' \| 'rock' \| 'stressball' \| 'coin'; gemVariant: number }>,
`f1262fd9` 2026-04-12 Pavel Safronov	61	screenW: number,
	62	screenH: number,
	63	): void {
	64	try {
	65	const record: SnapshotRecord = {
	66	v: DATA_VERSION,
	67	screenW,
	68	screenH,
	69	nuts: nuts.map(n => ({
	70	x: n.body.position.x / screenW,
	71	y: n.body.position.y / screenH,
	72	angle: n.body.angle,
	73	radius: n.radius,
	74	colorIndex: n.colorIndex,
	75	kind: n.kind,
	76	gemVariant: n.gemVariant,
	77	})),
	78	}
	79	localStorage.setItem(KEYS.snapshot, JSON.stringify(record))
	80	} catch { /* storage full – ignore */ }
	81	}
	82
	83	export function loadSnapshot(): SnapshotRecord \| null {
	84	try {
	85	const raw = localStorage.getItem(KEYS.snapshot)
	86	if (!raw) return null
	87	const record = JSON.parse(raw) as SnapshotRecord
	88	if (record.v !== DATA_VERSION) return null
	89	return record
	90	} catch {
	91	return null
	92	}
	93	}
	94
	95	export function clearSnapshot(): void {
	96	localStorage.removeItem(KEYS.snapshot)
	97	}