yumechi-no-kuni/packages/frontend/src/scripts/sound.ts
2024-01-06 20:15:28 +09:00

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/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import type { SoundStore } from '@/store.js';
import { defaultStore } from '@/store.js';
import { misskeyApi } from '@/scripts/misskey-api.js';
let ctx: AudioContext;
const cache = new Map<string, AudioBuffer>();
let canPlay = true;
export const soundsTypes = [
// 音声なし
null,
// ドライブの音声
'_driveFile_',
// プリインストール
'syuilo/n-aec',
'syuilo/n-aec-4va',
'syuilo/n-aec-4vb',
'syuilo/n-aec-8va',
'syuilo/n-aec-8vb',
'syuilo/n-cea',
'syuilo/n-cea-4va',
'syuilo/n-cea-4vb',
'syuilo/n-cea-8va',
'syuilo/n-cea-8vb',
'syuilo/n-eca',
'syuilo/n-eca-4va',
'syuilo/n-eca-4vb',
'syuilo/n-eca-8va',
'syuilo/n-eca-8vb',
'syuilo/n-ea',
'syuilo/n-ea-4va',
'syuilo/n-ea-4vb',
'syuilo/n-ea-8va',
'syuilo/n-ea-8vb',
'syuilo/n-ea-harmony',
'syuilo/up',
'syuilo/down',
'syuilo/pope1',
'syuilo/pope2',
'syuilo/waon',
'syuilo/popo',
'syuilo/triple',
'syuilo/bubble1',
'syuilo/bubble2',
'syuilo/poi1',
'syuilo/poi2',
'syuilo/pirori',
'syuilo/pirori-wet',
'syuilo/pirori-square-wet',
'syuilo/square-pico',
'syuilo/reverved',
'syuilo/ryukyu',
'syuilo/kick',
'syuilo/snare',
'syuilo/queue-jammed',
'aisha/1',
'aisha/2',
'aisha/3',
'noizenecio/kick_gaba1',
'noizenecio/kick_gaba2',
'noizenecio/kick_gaba3',
'noizenecio/kick_gaba4',
'noizenecio/kick_gaba5',
'noizenecio/kick_gaba6',
'noizenecio/kick_gaba7',
] as const;
export const operationTypes = [
'noteMy',
'note',
'antenna',
'channel',
'notification',
'reaction',
] as const;
/** サウンドの種類 */
export type SoundType = typeof soundsTypes[number];
/** スプライトの種類 */
export type OperationType = typeof operationTypes[number];
/**
* 音声を読み込む
* @param soundStore サウンド設定
* @param options `useCache`: デフォルトは`true` 一度再生した音声はキャッシュする
*/
export async function loadAudio(soundStore: {
type: Exclude<SoundType, '_driveFile_'>;
} | {
type: '_driveFile_';
fileId: string;
fileUrl: string;
}, options?: { useCache?: boolean; }) {
if (_DEV_) console.log('loading audio. opts:', options);
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (soundStore.type === null || (soundStore.type === '_driveFile_' && !soundStore.fileUrl)) {
return;
}
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (ctx == null) {
ctx = new AudioContext();
}
if (options?.useCache ?? true) {
if (soundStore.type === '_driveFile_' && cache.has(soundStore.fileId)) {
if (_DEV_) console.log('use cache');
return cache.get(soundStore.fileId) as AudioBuffer;
} else if (cache.has(soundStore.type)) {
if (_DEV_) console.log('use cache');
return cache.get(soundStore.type) as AudioBuffer;
}
}
let response: Response;
if (soundStore.type === '_driveFile_') {
try {
response = await fetch(soundStore.fileUrl);
} catch (err) {
try {
// URLが変わっている可能性があるのでドライブ側からURLを取得するフォールバック
const apiRes = await misskeyApi('drive/files/show', {
fileId: soundStore.fileId,
});
response = await fetch(apiRes.url);
} catch (fbErr) {
// それでも無理なら諦める
return;
}
}
} else {
try {
response = await fetch(`/client-assets/sounds/${soundStore.type}.mp3`);
} catch (err) {
return;
}
}
const arrayBuffer = await response.arrayBuffer();
const audioBuffer = await ctx.decodeAudioData(arrayBuffer);
if (options?.useCache ?? true) {
if (soundStore.type === '_driveFile_') {
cache.set(soundStore.fileId, audioBuffer);
} else {
cache.set(soundStore.type, audioBuffer);
}
}
return audioBuffer;
}
/**
* 既定のスプライトを再生する
* @param type スプライトの種類を指定
*/
export function play(operationType: OperationType) {
const sound = defaultStore.state[`sound_${operationType}`];
if (_DEV_) console.log('play', operationType, sound);
if (sound.type == null || !canPlay) return;
canPlay = false;
playFile(sound).finally(() => {
// ごく短時間に音が重複しないように
setTimeout(() => {
canPlay = true;
}, 25);
});
}
/**
* サウンド設定形式で指定された音声を再生する
* @param soundStore サウンド設定
*/
export async function playFile(soundStore: SoundStore) {
const buffer = await loadAudio(soundStore);
if (!buffer) return;
createSourceNode(buffer, soundStore.volume)?.start();
}
export async function playRaw(type: Exclude<SoundType, '_driveFile_'>, volume = 1, pan = 0, playbackRate = 1) {
const buffer = await loadAudio({ type });
if (!buffer) return;
createSourceNode(buffer, volume, pan, playbackRate)?.start();
}
export function createSourceNode(buffer: AudioBuffer, volume: number, pan = 0, playbackRate = 1) : AudioBufferSourceNode | null {
const masterVolume = defaultStore.state.sound_masterVolume;
if (isMute() || masterVolume === 0 || volume === 0) {
return null;
}
const panNode = ctx.createStereoPanner();
panNode.pan.value = pan;
const gainNode = ctx.createGain();
gainNode.gain.value = masterVolume * volume;
const soundSource = ctx.createBufferSource();
soundSource.buffer = buffer;
soundSource.playbackRate.value = playbackRate;
soundSource
.connect(panNode)
.connect(gainNode)
.connect(ctx.destination);
return soundSource;
}
/**
* 音声の長さをミリ秒で取得する
* @param file ファイルのURLドライブIDではない
*/
export async function getSoundDuration(file: string): Promise<number> {
const audioEl = document.createElement('audio');
audioEl.src = file;
return new Promise((resolve) => {
const si = setInterval(() => {
if (audioEl.readyState > 0) {
resolve(audioEl.duration * 1000);
clearInterval(si);
audioEl.remove();
}
}, 100);
});
}
/**
* ミュートすべきかどうかを判断する
*/
export function isMute(): boolean {
if (defaultStore.state.sound_notUseSound) {
// サウンドを出力しない
return true;
}
// noinspection RedundantIfStatementJS
if (defaultStore.state.sound_useSoundOnlyWhenActive && document.visibilityState === 'hidden') {
// ブラウザがアクティブな時のみサウンドを出力する
return true;
}
return false;
}