/// <summary> Adds a single chat message to a replay. </summary>
/// <param name="fileName"> The file name. </param>
/// <param name="message"> The message. </param>
/// <param name="target"> The target. </param>
/// <param name="playerId"> The player id. </param>
/// <param name="numSeconds"> The number of in-game seconds to insert the message at. </param>
public static void AddChatMessageToReplay(
string fileName, string message, ChatMessageTarget target, int playerId, int numSeconds)
{
var replay = new Replay();
// File in the version numbers for later use.
MpqHeader.ParseHeader(replay, fileName);
using (var archive = new CArchive(fileName))
{
var files = archive.FindFiles("replay.*");
{
const string CurFile = "replay.message.events";
var fileSize = (from f in files where f.FileName.Equals(CurFile) select f).Single().Size;
var buffer = new byte[fileSize];
archive.ExportFile(CurFile, buffer);
var arr = GenerateChatMessage(buffer, message, target, playerId, numSeconds);
archive.ImportFile("replay.message.events", arr);
}
archive.Close();
}
}
/// <summary> Adds a single chat message to a replay. </summary>
/// <param name="fileName"> The file name. </param>
/// <param name="message"> The message. </param>
/// <param name="target"> The target. </param>
/// <param name="playerId"> The player id. </param>
/// <param name="numSeconds"> The number of in-game seconds to insert the message at. </param>
public static void AddChatMessageToReplay(
string fileName, string message, ChatMessageTarget target, int playerId, int numSeconds)
{
var replay = new Replay();
// File in the version numbers for later use.
MpqHeader.ParseHeader(replay, fileName);
using (var archive = new CArchive(fileName))
{
var files = archive.FindFiles("replay.*");
{
const string CurFile = "replay.message.events";
var fileSize = (from f in files where f.FileName.Equals(CurFile) select f).Single().Size;
var buffer = new byte[fileSize];
archive.ExportFile(CurFile, buffer);
var arr = GenerateChatMessage(buffer, message, target, playerId, numSeconds);
archive.ImportFile("replay.message.events", arr);
}
archive.Close();
}
}
/// <summary> Inserts the given chat message into the file buffer. </summary>
/// <param name="buffer"> The file buffer. </param>
/// <param name="message"> The message to insert. </param>
/// <param name="target"> The target. </param>
/// <param name="playerId"> The player id. </param>
/// <param name="seconds"> The number of in-game seconds to insert the message. </param>
/// <returns> The final buffer with the inserted message. </returns>
/// <exception cref="NotSupportedException"> Thrown if the message is longer than 64 character. </exception>
private static byte[] GenerateChatMessage(
byte[] buffer, string message, ChatMessageTarget target, int playerId, int seconds)
{
if (message.Length >= 256)
{
throw new NotSupportedException("This call does not support strings longer than 256 characters.");
}
int targetValue = seconds * 16;
var completeFile = new List <byte>();
bool hasBeenWritten = false;
bool adjustTimestamps = false;
using (var stream = new MemoryStream(buffer))
{
using (var reader = new BinaryReader(stream))
{
int totalTime = 0;
int shiftValue = 0;
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
// While not EOF
int timestamp = ParseTimestamp(reader);
totalTime += timestamp;
if (hasBeenWritten == false && totalTime > targetValue)
{
var orgValue = totalTime - timestamp;
shiftValue = targetValue - orgValue;
var shiftTimestamp = CreateTimestamp(shiftValue);
#region Writing the chat message
var bytes = new List <byte>();
bytes.AddRange(shiftTimestamp);
bytes.Add((byte)playerId); // playerid
// &8 for +64, &16 for +128
var messageOut = Encoding.UTF8.GetBytes(message);
int length = messageOut.Length;
if (length < 64)
{
var opcode = (byte)target;
bytes.Add(opcode); // opcode
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 128)
{
var opcode = (byte)((byte)target | 8);
bytes.Add(opcode);
length -= 64;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 192)
{
var opcode = (byte)((byte)target | 16);
bytes.Add(opcode);
length -= 128;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 256)
{
var opcode = (byte)((byte)target | 24);
bytes.Add(opcode);
length -= 192;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
completeFile.AddRange(bytes);
#endregion
hasBeenWritten = true;
adjustTimestamps = true;
}
completeFile.AddRange(
adjustTimestamps ? CreateTimestamp(timestamp - shiftValue) : CreateTimestamp(timestamp));
completeFile.Add(reader.ReadByte()); // PlayerID
var opCode = reader.ReadByte();
completeFile.Add(opCode);
if (opCode == 0x80)
{
completeFile.AddRange(reader.ReadBytes(4));
}
else if (opCode == 0x83)
{
completeFile.AddRange(reader.ReadBytes(8));
}
else if ((opCode & 0x80) == 0)
{
var length = reader.ReadByte();
completeFile.Add(length);
if ((opCode & 8) == 8)
{
length += 64;
}
if ((opCode & 16) == 16)
{
length += 128;
}
completeFile.AddRange(reader.ReadBytes(length));
}
}
// If we reach the end and the message still hasn't been entered...
if (hasBeenWritten == false)
{
var shiftTimestamp = CreateTimestamp(targetValue - totalTime);
var bytes = new List <byte>();
bytes.AddRange(shiftTimestamp);
bytes.Add((byte)playerId); // playerid
// &8 for +64, &16 for +128
var messageOut = Encoding.UTF8.GetBytes(message);
int length = messageOut.Length;
if (length < 64)
{
var opcode = (byte)target;
bytes.Add(opcode); // opcode
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 128)
{
var opcode = (byte)((byte)target | 8);
bytes.Add(opcode);
length -= 64;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 192)
{
var opcode = (byte)((byte)target | 16);
bytes.Add(opcode);
length -= 128;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 256)
{
var opcode = (byte)((byte)target | 24);
bytes.Add(opcode);
length -= 192;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
completeFile.AddRange(bytes);
}
}
}
return(completeFile.ToArray());
}
/// <summary> Inserts the given chat message into the file buffer. </summary>
/// <param name="buffer"> The file buffer. </param>
/// <param name="message"> The message to insert. </param>
/// <param name="target"> The target. </param>
/// <param name="playerId"> The player id. </param>
/// <param name="seconds"> The number of in-game seconds to insert the message. </param>
/// <returns> The final buffer with the inserted message. </returns>
/// <exception cref="NotSupportedException"> Thrown if the message is longer than 64 character. </exception>
private static byte[] GenerateChatMessage(
byte[] buffer, string message, ChatMessageTarget target, int playerId, int seconds)
{
if (message.Length >= 256)
{
throw new NotSupportedException("This call does not support strings longer than 256 characters.");
}
int targetValue = seconds * 16;
var completeFile = new List<byte>();
bool hasBeenWritten = false;
bool adjustTimestamps = false;
using (var stream = new MemoryStream(buffer))
{
using (var reader = new BinaryReader(stream))
{
int totalTime = 0;
int shiftValue = 0;
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
// While not EOF
int timestamp = ParseTimestamp(reader);
totalTime += timestamp;
if (hasBeenWritten == false && totalTime > targetValue)
{
var orgValue = totalTime - timestamp;
shiftValue = targetValue - orgValue;
var shiftTimestamp = CreateTimestamp(shiftValue);
#region Writing the chat message
var bytes = new List<byte>();
bytes.AddRange(shiftTimestamp);
bytes.Add((byte)playerId); // playerid
// &8 for +64, &16 for +128
var messageOut = Encoding.UTF8.GetBytes(message);
int length = messageOut.Length;
if (length < 64)
{
var opcode = (byte)target;
bytes.Add(opcode); // opcode
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 128)
{
var opcode = (byte)((byte)target | 8);
bytes.Add(opcode);
length -= 64;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 192)
{
var opcode = (byte)((byte)target | 16);
bytes.Add(opcode);
length -= 128;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 256)
{
var opcode = (byte)((byte)target | 24);
bytes.Add(opcode);
length -= 192;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
completeFile.AddRange(bytes);
#endregion
hasBeenWritten = true;
adjustTimestamps = true;
}
completeFile.AddRange(
adjustTimestamps ? CreateTimestamp(timestamp - shiftValue) : CreateTimestamp(timestamp));
completeFile.Add(reader.ReadByte()); // PlayerID
var opCode = reader.ReadByte();
completeFile.Add(opCode);
if (opCode == 0x80)
{
completeFile.AddRange(reader.ReadBytes(4));
}
else if (opCode == 0x83)
{
completeFile.AddRange(reader.ReadBytes(8));
}
else if ((opCode & 0x80) == 0)
{
var length = reader.ReadByte();
completeFile.Add(length);
if ((opCode & 8) == 8)
{
length += 64;
}
if ((opCode & 16) == 16)
{
length += 128;
}
completeFile.AddRange(reader.ReadBytes(length));
}
}
// If we reach the end and the message still hasn't been entered...
if (hasBeenWritten == false)
{
var shiftTimestamp = CreateTimestamp(targetValue - totalTime);
var bytes = new List<byte>();
bytes.AddRange(shiftTimestamp);
bytes.Add((byte)playerId); // playerid
// &8 for +64, &16 for +128
var messageOut = Encoding.UTF8.GetBytes(message);
int length = messageOut.Length;
if (length < 64)
{
var opcode = (byte)target;
bytes.Add(opcode); // opcode
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 128)
{
var opcode = (byte)((byte)target | 8);
bytes.Add(opcode);
length -= 64;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 192)
{
var opcode = (byte)((byte)target | 16);
bytes.Add(opcode);
length -= 128;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
else if (length < 256)
{
var opcode = (byte)((byte)target | 24);
bytes.Add(opcode);
length -= 192;
bytes.Add((byte)length);
bytes.AddRange(messageOut);
}
completeFile.AddRange(bytes);
}
}
}
return completeFile.ToArray();
}
