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introduce the terrible hack for reducing memory usage

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This commit is contained in:
Dmytro Meleshko 2021-01-29 21:14:31 +02:00
parent 303e81cc37
commit e22250b3f1
1 changed files with 30 additions and 2 deletions
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32
src/index.ts
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@ -1,4 +1,4 @@
import {Client} from "discord.js"; import * as discord from "discord.js";
import setup from "./setup"; import setup from "./setup";
import {Config} from "./core/structures"; import {Config} from "./core/structures";
import {loadCommands} from "./core/command"; import {loadCommands} from "./core/command";
@ -6,9 +6,37 @@ import {loadEvents} from "./core/event";
import "discord.js-lavalink-lib"; import "discord.js-lavalink-lib";
import LavalinkMusic from "discord.js-lavalink-lib"; import LavalinkMusic from "discord.js-lavalink-lib";
declare module "discord.js" {
interface Presence {
patch(data: any): void;
}
}
// The terrible hacks were written by none other than The Noble Programmer On The White PC.
// NOTE: Terrible hack ahead!!! In order to reduce the memory usage of the bot
// we only store the information from presences that we actually end up using,
// which currently is only the (online/idle/dnd/offline/...) status (see
// `src/commands/info.ts`). What data is retrieved from the `data` object
// (which contains the data received from the Gateway) and how can be seen
// here:
// <https://github.com/discordjs/discord.js/blob/cee6cf70ce76e9b06dc7f25bfd77498e18d7c8d4/src/structures/Presence.js#L81-L110>.
const oldPresencePatch = discord.Presence.prototype.patch;
discord.Presence.prototype.patch = function patch(data: any) {
oldPresencePatch.call(this, {status: data.status});
};
// This is here in order to make it much less of a headache to access the client from other files. // This is here in order to make it much less of a headache to access the client from other files.
// This of course won't actually do anything until the setup process is complete and it logs in. // This of course won't actually do anything until the setup process is complete and it logs in.
export const client = new Client(); export const client = new discord.Client();
// NOTE: Terrible hack continued!!! Unfortunately we can't receive the presence
// data at all when the GUILD_PRESENCES intent is disabled, so while we do
// waste network bandwidth and the CPU time for decoding the incoming packets,
// the function which handles those packets is NOP-ed out, which, among other
// things, skips the code which caches the referenced users in the packet. See
// <https://github.com/discordjs/discord.js/blob/cee6cf70ce76e9b06dc7f25bfd77498e18d7c8d4/src/client/actions/PresenceUpdate.js#L7-L41>.
(client["actions"] as any)["PresenceUpdate"].handle = () => {};
(client as any).music = LavalinkMusic(client, { (client as any).music = LavalinkMusic(client, {
lavalink: { lavalink: {