oscar-surf/misskey
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enhance(frontend): add game bgm and refactor sound system

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This commit is contained in:
syuilo 2024-01-08 12:46:20 +09:00
parent 145d28a8e4
commit e9c3fe1228
8 changed files with 74 additions and 63 deletions
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75
packages/frontend/src/scripts/sound.ts
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@ -5,7 +5,6 @@
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>();
@ -89,69 +88,35 @@ export type OperationType = typeof operationTypes[number];
/**
* 音声を読み込む
* @param soundStore サウンド設定
* @param url url
* @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; }) {
export async function loadAudio(url: 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 (cache.has(url)) {
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;
return cache.get(url) 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/${soundStore.type}.mp3`);
} catch (err) {
return;
}
try {
response = await fetch(url);
} catch (err) {
return;
}
const arrayBuffer = await response.arrayBuffer();
const audioBuffer = await ctx.decodeAudioData(arrayBuffer);
if (options?.useCache ?? true) {
if (soundStore.type === '_driveFile_') {
cache.set(soundStore.fileId, audioBuffer);
} else {
cache.set(soundStore.type, audioBuffer);
}
cache.set(url, audioBuffer);
}
return audioBuffer;
@ -180,18 +145,26 @@ export function play(operationType: OperationType) {
* @param soundStore サウンド設定
*/
export async function playFile(soundStore: SoundStore) {
const buffer = await loadAudio(soundStore);
if (soundStore.type === null || (soundStore.type === '_driveFile_' && !soundStore.fileUrl)) {
return;
}
const url = soundStore.type === '_driveFile_' ? soundStore.fileUrl : `/client-assets/sounds/${soundStore.type}.mp3`;
const buffer = await loadAudio(url);
if (!buffer) return;
createSourceNode(buffer, soundStore.volume)?.start();
createSourceNode(buffer, soundStore.volume)?.soundSource.start();
}
export async function playRaw(type: Exclude<SoundType, '_driveFile_'>, volume = 1, pan = 0, playbackRate = 1) {
const buffer = await loadAudio({ type });
export async function playUrl(url: string, volume = 1, pan = 0, playbackRate = 1) {
const buffer = await loadAudio(url);
if (!buffer) return;
createSourceNode(buffer, volume, pan, playbackRate)?.start();
createSourceNode(buffer, volume, pan, playbackRate)?.soundSource.start();
}
export function createSourceNode(buffer: AudioBuffer, volume: number, pan = 0, playbackRate = 1) : AudioBufferSourceNode | null {
export function createSourceNode(buffer: AudioBuffer, volume: number, pan = 0, playbackRate = 1): {
soundSource: AudioBufferSourceNode;
panNode: StereoPannerNode;
gainNode: GainNode;
} | null {
const masterVolume = defaultStore.state.sound_masterVolume;
if (isMute() || masterVolume === 0 || volume === 0) {
return null;
@ -211,7 +184,7 @@ export function createSourceNode(buffer: AudioBuffer, volume: number, pan = 0, p
.connect(gainNode)
.connect(ctx.destination);
return soundSource;
return { soundSource, panNode, gainNode };
}
/**