117 lines
3.1 KiB
JavaScript
117 lines
3.1 KiB
JavaScript
/*
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===========- chunkManager.js -==========
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Created by Holly (tgpethan) (c) 2021
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Licenced under MIT
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========================================
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*/
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const { Worker } = require('worker_threads');
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const FunkyArray = require("./Util/funkyArray.js");
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const config = require("../config.json");
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const workerPath = `${__dirname}/Workers/ChunkWorker.js`;
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module.exports = class {
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constructor() {
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this.chunks = {};
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this.queuedBlockUpdates = new FunkyArray();
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global.generatingChunks = true;
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this.threadPool = [];
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this.workPool = new FunkyArray();
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this.toRemove = [];
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// WoAh!!! Thread pool in js!?!??!???!11!?!?!
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for (let i = 0; i < config.worldThreads; i++) {
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const worker = new Worker(workerPath);
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this.threadPool.push([false, worker]);
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const myID = i;
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worker.on("message", (data) => {
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let user;
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switch (data[0]) {
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case "chunk":
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user = global.getUserByKey(data[2]);
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user.chunksToSend.add(Buffer.from(data[1]));
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this.toRemove.push(data[1]);
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this.threadPool[myID][0] = false;
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break;
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case "generate":
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this.chunks[data[2]][data[3]] = data[1];
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this.toRemove.push(data[4]);
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this.threadPool[myID][0] = false;
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break;
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}
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});
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}
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console.log("Created thread pool with " + this.threadPool.length + " threads");
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setInterval(() => {
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if (this.workPool.getLength() > 0) {
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let limit = Math.min(this.workPool.getLength(), this.threadPool.length);
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for (let i = 0; i < limit; i++) {
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for (let i1 = 0; i1 < this.threadPool.length; i1++) {
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let thread = this.threadPool[i1];
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if (!thread[0]) {
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const key = this.workPool.itemKeys[i];
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const item = this.workPool.getByKey(key);
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// Already being processed
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if (item == null) break;
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if (item[0] == true) {
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limit += 1;
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break;
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}
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item[0] = true;
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item[1][3] = key;
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thread[1].postMessage(item[1]);
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thread[0] = true;
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break;
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}
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}
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}
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for (let item of this.toRemove) {
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//console.log("removing item " + this.workPool.getByKey(item)[0]);
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this.workPool.remove(item);
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}
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this.toRemove = [];
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}
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}, 1000 / 20);
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for (let x = -3; x < 4; x++) {
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for (let z = -3; z < 4; z++) {
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this.createChunk(x, z);
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}
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}
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global.generatingChunks = false;
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}
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// TODO: Store metadata!
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createChunk(cx = 0, cz = 0) {
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if (this.chunks[cx] == null) this.chunks[cx] = {};
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this.workPool.add([false, ["generate", cx, cz, null]]);
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}
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multiBlockChunk(chunkX = 0, chunkZ = 0, user) {
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this.workPool.add([false, ["chunk", [chunkX, chunkZ, this.chunks[chunkX][chunkZ]], user.id, null]]);
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}
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setBlock(id = 0, x = 0, y = 0, z = 0) {
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if (y < 0 || y > 127) return console.error("Tried to set a block outside of the world!");
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const chunkX = Math.floor(x >> 4);
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const chunkZ = Math.floor(z >> 4);
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const blockX = x - (16 * chunkX);
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const blockZ = z - (16 * chunkZ);
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// Don't queue a block update if that block is already this block
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//if (this.chunks[chunkX][chunkZ][y][blockX][blockZ] == id) return;
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this.queuedBlockUpdates.add([id, chunkX, chunkZ, y, blockX, blockZ]);
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}
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} |