Init commit. b1.7.3 vanilla server

src/net/minecraft/network/packets/Packet51MapChunk.java

@@ -0,0 +1,90 @@
+package net.minecraft.network.packets;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.util.zip.DataFormatException;
+import java.util.zip.Deflater;
+import java.util.zip.Inflater;
+import net.minecraft.network.NetHandler;
+import net.minecraft.world.World;
+
+public class Packet51MapChunk extends Packet {
+	public int xPosition;
+	public int yPosition;
+	public int zPosition;
+	public int xSize;
+	public int ySize;
+	public int zSize;
+	public byte[] chunk;
+	private int chunkSize;
+
+	public Packet51MapChunk() {
+		this.isChunkDataPacket = true;
+	}
+
+	public Packet51MapChunk(int var1, int var2, int var3, int var4, int var5, int var6, World var7) {
+		this.isChunkDataPacket = true;
+		this.xPosition = var1;
+		this.yPosition = var2;
+		this.zPosition = var3;
+		this.xSize = var4;
+		this.ySize = var5;
+		this.zSize = var6;
+		byte[] var8 = var7.getChunkData(var1, var2, var3, var4, var5, var6);
+		Deflater var9 = new Deflater(-1);
+
+		try {
+			var9.setInput(var8);
+			var9.finish();
+			this.chunk = new byte[var4 * var5 * var6 * 5 / 2];
+			this.chunkSize = var9.deflate(this.chunk);
+		} finally {
+			var9.end();
+		}
+
+	}
+
+	public void readPacketData(DataInputStream var1) throws IOException {
+		this.xPosition = var1.readInt();
+		this.yPosition = var1.readShort();
+		this.zPosition = var1.readInt();
+		this.xSize = var1.read() + 1;
+		this.ySize = var1.read() + 1;
+		this.zSize = var1.read() + 1;
+		this.chunkSize = var1.readInt();
+		byte[] var2 = new byte[this.chunkSize];
+		var1.readFully(var2);
+		this.chunk = new byte[this.xSize * this.ySize * this.zSize * 5 / 2];
+		Inflater var3 = new Inflater();
+		var3.setInput(var2);
+
+		try {
+			var3.inflate(this.chunk);
+		} catch (DataFormatException var8) {
+			throw new IOException("Bad compressed data format");
+		} finally {
+			var3.end();
+		}
+
+	}
+
+	public void writePacketData(DataOutputStream var1) throws IOException {
+		var1.writeInt(this.xPosition);
+		var1.writeShort(this.yPosition);
+		var1.writeInt(this.zPosition);
+		var1.write(this.xSize - 1);
+		var1.write(this.ySize - 1);
+		var1.write(this.zSize - 1);
+		var1.writeInt(this.chunkSize);
+		var1.write(this.chunk, 0, this.chunkSize);
+	}
+
+	public void processPacket(NetHandler var1) {
+		var1.handleMapChunk(this);
+	}
+
+	public int getPacketSize() {
+		return 17 + this.chunkSize;
+	}
+}