KLFCommon.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

public class KLFCommon
{

	public const String PROGRAM_VERSION = "0.6.0";
	public const Int32 FILE_FORMAT_VERSION = 7;
	public const Int32 NET_PROTOCOL_VERSION = 8;
	public const int MSG_HEADER_LENGTH = 8;
	public const int INTEROP_MSG_HEADER_LENGTH = 8;

	public const int SERVER_SETTINGS_LENGTH = 13;

	public const int MAX_CRAFT_FILE_BYTES = 1024 * 1024;

	public const String SHARE_CRAFT_COMMAND = "/sharecraft";
	public const String GET_CRAFT_COMMAND = "!getcraft";

	public const byte CRAFT_TYPE_VAB = 0;
	public const byte CRAFT_TYPE_SPH = 1;

	internal static string filteredFileName(string filename)
	{
		const String illegal = "\\/:*?\"<>|";

 		StringBuilder sb = new StringBuilder();
		foreach (char c in filename)
		{
			//Filter illegal characters out of the player name
			if (!illegal.Contains(c))
				sb.Append(c);
		}

		return sb.ToString();
	}

	public static byte[] intToBytes(Int32 val)
	{
		byte[] bytes = new byte[4];
		bytes[0] = (byte)(val & byte.MaxValue);
		bytes[1] = (byte)((val >> 8) & byte.MaxValue);
		bytes[2] = (byte)((val >> 16) & byte.MaxValue);
		bytes[3] = (byte)((val >> 24) & byte.MaxValue);

		return bytes;
	}

	public static Int32 intFromBytes(byte[] bytes, int offset = 0)
	{
		Int32 val = 0;
		val |= bytes[offset];
		val |= ((Int32)bytes[offset + 1]) << 8;
		val |= ((Int32)bytes[offset + 2]) << 16;
		val |= ((Int32)bytes[offset + 3]) << 24;

		return val;
	}

	public enum ClientMessageID
	{
		HANDSHAKE /*Username Length : Username : Version*/,
		PRIMARY_PLUGIN_UPDATE /*data*/,
		SECONDARY_PLUGIN_UPDATE /*data*/,
		TEXT_MESSAGE /*Message text*/,
		SCREEN_WATCH_PLAYER /*Player name*/,
		SCREENSHOT_SHARE /*Description Length : Description : data*/,
		KEEPALIVE,
		CONNECTION_END /*Message*/ ,
		UDP_PROBE,
		NULL,
		SHARE_CRAFT_FILE /*Craft Type Byte : Craft name length : Craft Name : File bytes*/,
		ACTIVITY_UPDATE_IN_GAME,
		ACTIVITY_UPDATE_IN_FLIGHT,
		PING
	}

	public enum ServerMessageID
	{
		HANDSHAKE /*Protocol Version : Version String Length : Version String : ClientID*/,
		HANDSHAKE_REFUSAL /*Refusal message*/,
		SERVER_MESSAGE /*Message text*/,
		TEXT_MESSAGE /*Message text*/,
		PLUGIN_UPDATE /*data*/,
		SERVER_SETTINGS /*UpdateInterval (4) : Screenshot Interval (4) : Screenshot Height (4): InactiveShips (1)*/,
		SCREENSHOT_SHARE /*Description Length : Description : data*/,
		KEEPALIVE,
		CONNECTION_END /*Message*/,
		UDP_ACKNOWLEDGE,
		NULL,
		CRAFT_FILE /*Craft Type Byte : Craft name length : Craft Name : File bytes*/,
		PING_REPLY
	}

	public enum ClientInteropMessageID
	{
		NULL,
		CLIENT_DATA /*Byte - Inactive Vessels Per Update : Screenshot Height : UpdateInterval : Player Name*/,
		SCREENSHOT_RECEIVE /*Description Length : Description : data*/,
		CHAT_RECEIVE /*Message*/,
		PLUGIN_UPDATE /*data*/
	}

	public enum PluginInteropMessageID
	{
		NULL,
		PLUGIN_DATA /*Byte - In-Flight : Int32 - Current Game Title length : Current Game Title : Int32 - Screenshot watch player name length : Screenshot watch player name*/,
		SCREENSHOT_SHARE /*Description Length : Description : data*/,
		CHAT_SEND /*Message*/,
		PRIMARY_PLUGIN_UPDATE /*data*/,
		SECONDARY_PLUGIN_UPDATE /*data*/
	}

}