Vencord/src/plugins/volumeBooster.ts

/*
 * Vencord, a modification for Discord's desktop app
 * Copyright (c) 2022 Vendicated and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

import { definePluginSettings } from "@api/settings";
import { makeRange } from "@components/PluginSettings/components";
import { Devs } from "@utils/constants";
import definePlugin, { OptionType } from "@utils/types";

const settings = definePluginSettings({
    multiplier: {
        description: "Volume Multiplier",
        type: OptionType.SLIDER,
        markers: makeRange(1, 5, 1),
        default: 2,
        stickToMarkers: true,
    }
});

export default definePlugin({
    name: "VolumeBooster",
    authors: [Devs.Nuckyz],
    description: "Allows you to set the user and stream volume above the default maximum.",
    settings,

    patches: [
        // Change the max volume for sliders to allow for values above 200
        ...[
            ".Messages.USER_VOLUME",
            "currentVolume:"
        ].map(find => ({
            find,
            replacement: {
                match: /(?<=maxValue:\i\.\i)\?(\d+?):(\d+?)(?=,)/,
                replace: (_, higherMaxVolume, minorMaxVolume) => ""
                    + `?${higherMaxVolume}*$self.settings.store.multiplier`
                    + `:${minorMaxVolume}*$self.settings.store.multiplier`
            }
        })),
        // Prevent Audio Context Settings sync from trying to sync with values above 200, changing them to 200 before we send to Discord
        {
            find: "AudioContextSettingsMigrated",
            replacement: [
                {
                    match: /(?<=updateAsync\("audioContextSettings".{0,350}return \i\.volume=)\i(?=})/,
                    replace: "$&>200?200:$&"
                },
                {
                    match: /(?<=Object\.entries\(\i\.localMutes\).+?volume:).+?(?=,)/,
                    replace: "$&>200?200:$&"
                },
                {
                    match: /(?<=Object\.entries\(\i\.localVolumes\).+?volume:).+?(?=})/,
                    replace: "$&>200?200:$&"
                }
            ]
        },
        // Prevent the MediaEngineStore from overwriting our LocalVolumes above 200 with the ones the Discord Audio Context Settings sync sends
        {
            find: '.displayName="MediaEngineStore"',
            replacement: [
                {
                    match: /(?<=\.settings\.audioContextSettings.+?)(\i\[\i\])=(\i\.volume)(.+?setLocalVolume\(\i,).+?\)/,
                    replace: (_, localVolume, syncVolume, rest) => ""
                        + `(${localVolume}>200?void 0:${localVolume}=${syncVolume})`
                        + rest
                        + `${localVolume}??${syncVolume})`
                }
            ]
        }
    ],
});