From c7795663bac447e01b7b0b08fced099a01e069e4 Mon Sep 17 00:00:00 2001
From: Ethan Stubbs <37120476+tgpethan@users.noreply.github.com>
Date: Tue, 10 Aug 2021 08:28:28 +0100
Subject: [PATCH] ioopiij

---
 chunk.js |  6 +++---
 index.js | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 58 insertions(+), 9 deletions(-)

diff --git a/chunk.js b/chunk.js
index 01a7209..e2693f3 100644
--- a/chunk.js
+++ b/chunk.js
@@ -45,8 +45,8 @@ module.exports = class {
 			}
 			for(let i4 = l1; i4 <= j2; i4++)
 			{
-				let j4 = k - i4 * 16;
-				let k4 = (k + j1) - i4 * 16;
+				let j4 = zPos - i4 * 16;
+				let k4 = (zPos + j1) - i4 * 16;
 				if(j4 < 0)
 				{
 					j4 = 0;
@@ -55,7 +55,7 @@ module.exports = class {
 				{
 					k4 = 16;
 				}
-				k2 = getChunkFromChunkCoords(j3, i4).getChunkData(abyte0, k3, l2, j4, l3, i3, k4, k2);
+				k2 = 1;//getChunkFromChunkCoords(j3, i4).getChunkData(abyte0, k3, l2, j4, l3, i3, k4, k2);
 			}
 	
 		}
diff --git a/index.js b/index.js
index 2830ad4..c5c4ebd 100644
--- a/index.js
+++ b/index.js
@@ -1,12 +1,18 @@
 const net = require('net');
 const port = 25565;
 
-const { createGzip, deflate } = require("zlib");
+const { createGzip, deflateSync } = require("zlib");
 
 const chunk = require("./chunk.js");
 
 const myman = require("./bufferStuff.js");
 
+const users = [];
+
+function addUser(socket, username) {
+	users.push([users.length + 1, socket, username]);
+}
+
 const server = new net.Server();
 
 const protocolVersion = 14;
@@ -41,6 +47,10 @@ server.on('connection', function(socket) {
 				handshake(socket, reader);
 				break;
 
+			case 3:
+				sendChat(socket, reader);
+				break;
+
 			case 0x0B:
 				playerLook(socket, reader);
 				break;
@@ -95,6 +105,16 @@ function loginRequest(socket, reader = new myman.Reader) {
 	socket.write(writer.buffer);
 
 	preChunk(socket, 0, 0, true);
+
+	//writeChunk(socket);
+
+	writer.buffer = Buffer.alloc(0);
+
+	writer.writeByte(0x0A);
+
+	writer.writeBool(true);
+
+	socket.write(writer.buffer);
 }
 
 function handshake(socket, reader = new myman.Reader) {
@@ -109,6 +129,20 @@ function handshake(socket, reader = new myman.Reader) {
 	socket.write(writer.buffer);
 }
 
+function sendChat(socket, reader = new myman.Reader) {
+	const message = reader.readString();
+
+	if (message.length < 120) {
+		const writer = new myman.Writer();
+
+		writer.writeByte(0x03);
+
+		writer.writeString(message);
+
+		socket.write(writer.buffer);
+	}
+}
+
 function playerLook(socket, reader = new myman.Reader) {
 	const x = reader.readDouble();
 	const y = reader.readDouble();
@@ -136,14 +170,29 @@ function preChunk(socket, x, y, load = false) {
 	socket.write(writer.buffer);
 }
 
-function writeChunk() {
+function writeChunk(socket) {
 	const writer = new myman.Writer();
 
 	writer.writeByte(0x33); // ID
+	
+	const chank = new chunk(0, 0);
+
+	const buf = Buffer.alloc((15 * 127 * 15 * 5) / 2);
+
+	const defl = deflateSync(chank.getChunkData(0, 0, 0, 15, 127, 15), {level:-1});
+
 	writer.writeInt(0);		// Chunk X
 	writer.writeShort(0);	// Chunk Y
-	writer.writeByte(15);	// Chunk Z
-	writer.writeByte(127);	// Chunk Size X
-	writer.writeByte(15);	// Chunk Size Y
-	writer.writeInt(5);		// Chunk Size Z
+	writer.writeInt(0);		// Chunk Z
+	writer.writeByte(15);	// Chunk Size X	
+	writer.writeByte(127);	// Chunk Size Y
+	writer.writeByte(15);	// Chunk Size Z
+	writer.writeInt(defl.length);	// Compressed size
+	console.log(defl.length);
+	console.log(defl.toString());
+	for (let i = 0; i < defl.length; i++) {
+		writer.writeByte(defl[i] - 128);	// Compressed data
+	}
+
+	socket.write(writer.buffer);
 }
\ No newline at end of file