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make chunk generation use the thread pool

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This commit is contained in:
Holly Stubbs 2021-08-12 22:01:07 +01:00
parent cfde8a7b87
commit 19880f1e8d
4 changed files with 101 additions and 79 deletions
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3
config.json
View file

@ -1,3 +1,4 @@
{ {
"port": 25565 "port": 25565,
"threadPoolCount": 8
} }

86
server/Workers/ChunkPacketGenerator.js
View file

@ -5,36 +5,59 @@ const bufferStuff = require("../bufferStuff.js");
let chunkY = 0; let chunkY = 0;
let busyInterval = null; let busyInterval = null;
parentPort.on("message", (chunk) => { parentPort.on("message", (data) => {
if (busyInterval == null) { // This stops the thread from stopping :)
busyInterval = setInterval(() => {}, 86400000); if (busyInterval == null) busyInterval = setInterval(() => {}, 86400000);
switch (data[0]) {
case "chunk":
chunkY = 0;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
chunkY += 16;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
chunkY += 16;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
chunkY += 16;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
chunkY += 16;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
chunkY += 16;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
chunkY += 16;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
chunkY += 16;
parentPort.postMessage([data[0], doSquareChunk(data[1]), data[2]]);
parentPort.postMessage(["remove", data[3]]);
break;
case "generate":
parentPort.postMessage([data[0], generateChunk(), data[1], data[2], data[3]]);
break;
}
});
function generateChunk() {
let chunk = {};
for (let y = 0; y < 128; y++) {
chunk[y] = {};
for (let x = 0; x < 16; x++) {
chunk[y][x] = {};
for (let z = 0; z < 16; z++) {
if (y == 64) {
chunk[y][x][z] = 2;
}
else if (y == 63 || y == 62) chunk[y][x][z] = 3;
else if (y == 0) chunk[y][x][z] = 7;
else if (y < 62) chunk[y][x][z] = 1;
else chunk[y][x][z] = 0;
}
}
} }
chunkY = 0; return chunk;
// I couldn't figure out how to construct a chunk lmao }
// __ima just send each block individually__
// Using multi block chunks now!
// TODO: yknow, figure out how to chunk.
let chunksToSend = [];
chunksToSend.push(doSquareChunk(chunk));
chunkY += 16;
chunksToSend.push(doSquareChunk(chunk));
chunkY += 16;
chunksToSend.push(doSquareChunk(chunk));
chunkY += 16;
chunksToSend.push(doSquareChunk(chunk));
chunkY += 16;
chunksToSend.push(doSquareChunk(chunk));
chunkY += 16;
chunksToSend.push(doSquareChunk(chunk));
chunkY += 16;
chunksToSend.push(doSquareChunk(chunk));
chunkY += 16;
chunksToSend.push(doSquareChunk(chunk));
parentPort.postMessage([chunk[3], chunksToSend, chunk[4], chunk[5]]);
});
function doSquareChunk(chunk) { function doSquareChunk(chunk) {
let blocksToSend = []; let blocksToSend = [];
@ -46,7 +69,10 @@ function doSquareChunk(chunk) {
} }
} }
} }
// I couldn't figure out how to construct a chunk lmao
// Using multi block chunks for now
// TODO: yknow, figure out how to actually chunk.
const writer = new bufferStuff.Writer(); const writer = new bufferStuff.Writer();
writer.writeByte(0x34); writer.writeByte(0x34);
writer.writeInt(chunk[0]); writer.writeInt(chunk[0]);
@ -65,7 +91,5 @@ function doSquareChunk(chunk) {
writer.writeByte(0); writer.writeByte(0);
} }
//user.chunksToSend.add(writer.buffer) // so we don't flood the client queue these
//parentPort.postMessage(writer.buffer);
return writer.buffer; return writer.buffer;
} }

77
server/chunkManager.js
View file

@ -1,7 +1,9 @@
const FunkyArray = require("./Util/funkyArray.js"); const FunkyArray = require("./Util/funkyArray.js");
const bufferStuff = require("./bufferStuff.js"); const bufferStuff = require("./bufferStuff.js");
const { Worker, isMainThread, parentPort } = require('worker_threads'); const config = require("../config.json");
const { Worker } = require('worker_threads');
const workerPath = __dirname + "/Workers/ChunkPacketGenerator.js"; const workerPath = __dirname + "/Workers/ChunkPacketGenerator.js";
@ -18,18 +20,38 @@ module.exports = class {
this.toRemove = []; this.toRemove = [];
for (let i = 0; i < 4; i++) { for (let i = 0; i < config.threadPoolCount; i++) {
const worker = new Worker(workerPath); const worker = new Worker(workerPath);
this.threadPool.push([false, worker]); this.threadPool.push([false, worker]);
const myID = i; const myID = i;
worker.on("message", (message) => { worker.on("message", (data) => {
const user = global.getUserByKey(message[0]); /*const user = global.getUserByKey(message[0]);
for (let square of message[1]) { user.chunksToSend.add(Buffer.from(square)); } for (let square of message[1]) { user.chunksToSend.add(Buffer.from(square)); }
this.threadPool[myID][0] = false; this.threadPool[myID][0] = false;
this.toRemove.push(message[2]); this.toRemove.push(message[2]);*/
switch (data[0]) {
case "chunk":
const user = global.getUserByKey(data[2]);
user.chunksToSend.add(Buffer.from(data[1]));
//this.threadPool[myID][0] = false;
break;
case "generate":
this.chunks[data[2]][data[3]] = data[1];
this.toRemove.push(data[4]);
this.threadPool[myID][0] = false;
break;
case "remove":
this.toRemove.push(data[1]);
this.threadPool[myID][0] = false;
break;
}
}); });
} }
console.log("Created thread pool with " + this.threadPool.length + " threads");
setInterval(() => { setInterval(() => {
if (this.workPool.getLength() > 0) { if (this.workPool.getLength() > 0) {
let limit = Math.min(this.workPool.getLength(), this.threadPool.length); let limit = Math.min(this.workPool.getLength(), this.threadPool.length);
@ -46,8 +68,7 @@ module.exports = class {
break; break;
} }
item[0] = true; item[0] = true;
item[1][4] = key; item[1][3] = key;
item[1][5] = i1;
thread[1].postMessage(item[1]); thread[1].postMessage(item[1]);
thread[0] = true; thread[0] = true;
break; break;
@ -63,13 +84,11 @@ module.exports = class {
} }
}, 1000 / 20); }, 1000 / 20);
const chunkStartTime = new Date().getTime();
for (let x = -3; x < 4; x++) { for (let x = -3; x < 4; x++) {
for (let z = -3; z < 4; z++) { for (let z = -3; z < 4; z++) {
this.createChunk(x, z); this.createChunk(x, z);
} }
} }
console.log("Chunk generation took " + (new Date().getTime() - chunkStartTime) + "ms");
global.generatingChunks = false; global.generatingChunks = false;
} }
@ -77,46 +96,12 @@ module.exports = class {
// TODO: Store metadata! // TODO: Store metadata!
createChunk(cx = 0, cz = 0) { createChunk(cx = 0, cz = 0) {
if (this.chunks[cx] == null) this.chunks[cx] = {}; if (this.chunks[cx] == null) this.chunks[cx] = {};
this.chunks[cx][cz] = {};
let chunkQueuedBlocks = []; this.workPool.add([false, ["generate", cx, cz, null]]);
for (let y = 0; y < 128; y++) {
this.chunks[cx][cz][y] = {};
for (let x = 0; x < 16; x++) {
this.chunks[cx][cz][y][x] = {};
for (let z = 0; z < 16; z++) {
if (y == 64) {
// Make a tree :)
if (Math.random() <= 0.01) {
this.chunks[cx][cz][y][x][z] = 3;
const newX = x + (16 * cx), newZ = z + (16 * cz);
// trunk
this.setBlock(17, newX, y + 1, newZ);
this.setBlock(17, newX, y + 2, newZ);
this.setBlock(17, newX, y + 3, newZ);
this.setBlock(17, newX, y + 4, newZ);
// leaves
// left
this.setBlock(18, newX, y + 5, newZ);
// right line
} else {
this.chunks[cx][cz][y][x][z] = 2;
}
}
else if (y == 63 || y == 62) this.chunks[cx][cz][y][x][z] = 3;
else if (y == 0) this.chunks[cx][cz][y][x][z] = 7;
else if (y < 62) this.chunks[cx][cz][y][x][z] = 1;
else this.chunks[cx][cz][y][x][z] = 0;
}
}
}
} }
async multiBlockChunk(chunkX = 0, chunkZ = 0, user) { multiBlockChunk(chunkX = 0, chunkZ = 0, user) {
//worker.postMessage([chunkX, chunkZ, this.chunks[chunkX][chunkZ]]); this.workPool.add([false, ["chunk", [chunkX, chunkZ, this.chunks[chunkX][chunkZ]], user.id, null]]);
this.workPool.add([false, [chunkX, chunkZ, this.chunks[chunkX][chunkZ], user.id, null, null]]);
} }
setBlock(id = 0, x = 0, y = 0, z = 0) { setBlock(id = 0, x = 0, y = 0, z = 0) {

14
server/server.js
View file

@ -49,12 +49,19 @@ module.exports.init = function(config) {
console.log(`Up! Running at 0.0.0.0:${config.port}`); console.log(`Up! Running at 0.0.0.0:${config.port}`);
tickInterval = setInterval(() => { tickInterval = setInterval(() => {
if (tickCounter % tickRate == 0) {
for (let key of netUserKeys) {
netUsers[key].socket.write(new PacketMappingTable[NamedPackets.KeepAlive]().writePacket());
}
}
// Update Chunks // Update Chunks
if (!global.generatingChunks) { if (!global.generatingChunks) {
let itemsToRemove = []; let itemsToRemove = [];
for (let i = 0; i < Math.min(global.chunkManager.queuedBlockUpdates.getLength(), 128); i++) { for (let i = 0; i < Math.min(global.chunkManager.queuedBlockUpdates.getLength(), 128); i++) {
const chunkUpdateKey = global.chunkManager.queuedBlockUpdates.itemKeys[i]; const chunkUpdateKey = global.chunkManager.queuedBlockUpdates.itemKeys[i];
const chunkUpdate = global.chunkManager.queuedBlockUpdates.items[chunkUpdateKey]; const chunkUpdate = global.chunkManager.queuedBlockUpdates.items[chunkUpdateKey];
if (global.chunkManager.chunks[chunkUpdate[1]] == null) continue;
if (global.chunkManager.chunks[chunkUpdate[1]][chunkUpdate[2]] == null) continue;
itemsToRemove.push(chunkUpdateKey); itemsToRemove.push(chunkUpdateKey);
try { try {
@ -117,7 +124,12 @@ module.exports.connection = async function(socket = new Socket) {
} }
} }
console.log("Chunk packet generation took " + (new Date().getTime() - dt) + "ms"); console.log("Chunk packet generation took " + (new Date().getTime() - dt) + "ms");
socket.write(new PacketMappingTable[NamedPackets.BlockChange](8, 64, 8, 20, 0).writePacket());
for (let x = 0; x < 16; x++) {
for (let z = 0; z < 16; z++) {
socket.write(new PacketMappingTable[NamedPackets.BlockChange](x, 64, z, 20, 0).writePacket());
}
}
socket.write(new PacketMappingTable[NamedPackets.Player](true).writePacket()); socket.write(new PacketMappingTable[NamedPackets.Player](true).writePacket());