package net.minecraft.server.network;

import io.netty.buffer.ByteBuf;
import java.nio.charset.StandardCharsets;

public class LegacyProtocolUtils {
	public static final int CUSTOM_PAYLOAD_PACKET_ID = 250;
	public static final String CUSTOM_PAYLOAD_PACKET_PING_CHANNEL = "MC|PingHost";
	public static final int GET_INFO_PACKET_ID = 254;
	public static final int GET_INFO_PACKET_VERSION_1 = 1;
	public static final int DISCONNECT_PACKET_ID = 255;
	public static final int FAKE_PROTOCOL_VERSION = 127;

	public static void writeLegacyString(ByteBuf buffer, String string) {
		buffer.writeShort(string.length());
		buffer.writeCharSequence(string, StandardCharsets.UTF_16BE);
	}

	public static String readLegacyString(ByteBuf buffer) {
		int i = buffer.readShort();
		int j = i * 2;
		String string = buffer.toString(buffer.readerIndex(), j, StandardCharsets.UTF_16BE);
		buffer.skipBytes(j);
		return string;
	}
}