82 lines
2.0 KiB
TypeScript
82 lines
2.0 KiB
TypeScript
import type { QTEDefinition } from '../types'
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type QTEUpdateCallback = (remaining: number, total: number) => void
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type QTEResultCallback = (success: boolean) => void
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export class QTESystem {
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private timerId: ReturnType<typeof setInterval> | null = null
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private timeoutId: ReturnType<typeof setTimeout> | null = null
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private keyHandler: ((e: KeyboardEvent) => void) | null = null
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private tickMs = 50
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private active = false
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timeLimitMultiplier = 1
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singleKeyMode = false
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trigger(
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qte: QTEDefinition,
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onUpdate: QTEUpdateCallback,
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onResult: QTEResultCallback,
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) {
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if (this.active) return
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this.active = true
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const startTime = Date.now()
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const adjustedLimit = qte.timeLimit * this.timeLimitMultiplier
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const total = adjustedLimit * 1000
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this.keyHandler = (e: KeyboardEvent) => {
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if (!this.active) return
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const targetKeys = this.singleKeyMode ? [' '] : qte.keys
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const matched = targetKeys.some(
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(k) => k.toLowerCase() === e.key.toLowerCase()
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)
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if (matched) {
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this.clear()
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onResult(true)
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}
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}
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document.addEventListener('keydown', this.keyHandler)
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this.timerId = setInterval(() => {
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if (!this.active) return
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const elapsed = Date.now() - startTime
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const remaining = Math.max(0, total - elapsed)
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onUpdate(remaining / 1000, adjustedLimit)
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if (remaining <= 0) {
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this.clear()
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onResult(false)
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}
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}, this.tickMs)
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this.timeoutId = setTimeout(() => {
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if (!this.active) return
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this.clear()
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onResult(false)
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}, total)
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}
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cancel() {
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this.clear()
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}
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private clear() {
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this.active = false
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if (this.timerId !== null) {
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clearInterval(this.timerId)
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this.timerId = null
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}
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if (this.timeoutId !== null) {
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clearTimeout(this.timeoutId)
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this.timeoutId = null
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}
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if (this.keyHandler !== null) {
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document.removeEventListener('keydown', this.keyHandler)
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this.keyHandler = null
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}
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}
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destroy() {
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this.clear()
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}
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}
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