mc-beta-server/server/chunkManager.js
2021-08-12 04:58:56 +01:00

110 lines
No EOL
3.2 KiB
JavaScript

const FunkyArray = require("./Util/funkyArray.js");
const bufferStuff = require("./bufferStuff.js");
module.exports = class {
constructor() {
this.chunks = {};
this.queuedBlockUpdates = new FunkyArray();
for (let x = -3; x < 4; x++) {
for (let z = -3; z < 4; z++) {
this.createChunk(x, z);
}
}
}
// TODO: Store metadata!
createChunk(cx = 0, cz = 0) {
if (this.chunks[cx] == null) this.chunks[cx] = {};
this.chunks[cx][cz] = {};
let chunkQueuedBlocks = [];
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) {
this.chunks[cx][cz][y][x].push(2);
// Make a tree :)
if (Math.random() <= 0.01) {
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
this.setBlock(18, newX + 2, y + 3, newZ + 2);
this.setBlock(18, newX + 1, y + 3, newZ + 2);
this.setBlock(18, newX, y + 3, newZ + 2);
this.setBlock(18, newX - 1, y + 3, newZ + 2);
this.setBlock(18, newX - 2, y + 3, newZ + 2);
}
}
else if (y == 63 || y == 62) this.chunks[cx][cz][y][x].push(3);
else if (y == 0) this.chunks[cx][cz][y][x].push(7);
else if (y < 62) this.chunks[cx][cz][y][x].push(1);
else this.chunks[cx][cz][y][x].push(0);
}
}
}
}
multiBlockChunk(chunkX = 0, chunkZ = 0, user) {
const writer = new bufferStuff.Writer();
// 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 blocksToSend = [];
for (let y = 0; y < 128; y++) {
blocksToSend = [];
for (let x = 0; x < 16; x++) {
for (let z = 0; z < 16; z++) {
if (this.chunks[chunkX][chunkZ][y][x][z] == 0) continue; // don't send air lol
blocksToSend.push([this.chunks[chunkX][chunkZ][y][x][z], x & 0xf, z & 0xf]);
}
}
if (blocksToSend.length > 0) {
writer.reset();
writer.writeByte(0x34);
writer.writeInt(chunkX);
writer.writeInt(chunkZ);
writer.writeShort(blocksToSend.length);
// Block coords
for (let blocks of blocksToSend) {
writer.writeShort((blocks[1] << 12 | blocks[2] << 8 | y) - 32768);
}
// Block types
for (let blocks of blocksToSend) {
writer.writeByte(blocks[0]);
}
// Block metadata
for (let blocks of blocksToSend) {
writer.writeByte(0);
}
user.chunksToSend.add(writer.buffer) // so we don't flood the client queue these
}
}
}
setBlock(id = 0, x = 0, y = 0, z = 0) {
if (y < 0 || y > 127) throw "Tried to set a block outside of the world!";
const chunkX = Math.floor(x / 16);
const chunkZ = Math.floor(z / 16);
const blockX = x - (16 * chunkX);
const blockZ = z - (16 * chunkZ);
// Don't queue a block update if that block is already this block
//if (this.chunks[chunkX][chunkZ][y][blockX][blockZ] == id) return;
this.queuedBlockUpdates.add([id, chunkX, chunkZ, y, blockX, blockZ]);
}
}