public void Write(string path)
{
using (var bw = new BinaryWriter(new FileStream(path, FileMode.Create, FileAccess.Write)))
{
bw.Write(Encoding.ASCII.GetBytes("GMAD"));
bw.Write((byte)Header.Version);
bw.Write(Header.SteamId);
bw.Write(Convert.ToUInt64((Header.Timestamp - (new DateTime(1970, 1, 1, 0, 0, 0))).TotalSeconds));
bw.Write((byte)0); // will be content block
bw.WriteNullTerminatedString(Header.Name);
bw.WriteNullTerminatedString(Header.Description);
bw.WriteNullTerminatedString(Header.Author);
bw.Write(Header.AddonVersion);
// File table block
uint fileNumber = 1;
foreach (var file in Files)
{
bw.Write(fileNumber);
bw.WriteNullTerminatedString(file.StrName);
bw.Write(file.Size);
bw.Write(file.CRC);
fileNumber++;
}
// End file table
bw.Write(0);
// File data
foreach (var file in Files)
{
if (file.LocalFile == false)
{
if(Reader != null)
bw.Write(Reader.GetFile(file));
else
throw new GmadWriterException("Using files from existing gmad file, but no reader has been given.");
}
else
{
// read file from disk
using (var fs = new FileStream(file.PhysicalPath, FileMode.Open, FileAccess.Read))
{
var buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
bw.Write(buffer);
}
}
}
}
}
public void Write(Stream outputStream)
{
BinaryWriter writer = new BinaryWriter(outputStream, Encoding.UTF8, true);
long headerPosition = outputStream.Position;
outputStream.Position += 24;
int valuesPosition = (int) outputStream.Position;
foreach (var entry in Entries)
{
entry.Offset = (int) outputStream.Position - valuesPosition;
writer.Write((short) 0x0001);
writer.WriteNullTerminatedString(entry.Value);
}
writer.AlignWrite(4, 0x00);
int keysPosition = (int) outputStream.Position;
foreach (var entry in Entries.OrderBy(e => e.Key).ThenByDescending(e => e.Offset))
{
writer.Write(entry.Key);
writer.Write(entry.Offset);
}
long endPosition = outputStream.Position;
outputStream.Position = headerPosition;
writer.Write(0x474e414c); // LANG
writer.Write(3);
writer.Write(0x0000454c); // LE
writer.Write(Entries.Count);
writer.Write(valuesPosition);
writer.Write(keysPosition);
outputStream.Position = endPosition;
}
/// <summary>
/// Compiles the specified addon into the specified stream.
/// </summary>
/// <param name="addon">The addon to compile.</param>
/// <param name="stream">The stream which the result should be written to.</param>
/// <exception cref="IOExecption">Happens if there is a problem with the specified stream.</exception>
public static void Create(Addon addon, Stream stream)
{
BinaryWriter writer = new BinaryWriter(stream);
writer.BaseStream.Seek(0, SeekOrigin.Begin);
writer.BaseStream.SetLength(0);
// Header (5)
writer.Write(Addon.Ident.ToCharArray()); // Ident (4)
writer.Write((char)Addon.Version); // Version (1)
// SteamID (8) [unused]
writer.Write((ulong)0);
// TimeStamp (8)
writer.Write((ulong)
(((TimeSpan)(DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0).ToLocalTime())).TotalSeconds));
// Required content (a list of strings)
writer.Write((char)0); // signifies nothing
// Addon Name (n)
writer.WriteNullTerminatedString(addon.Title);
// Addon Description (n)
writer.WriteNullTerminatedString(addon.DescriptionJSON);
// Addon Author (n) [unused]
writer.WriteNullTerminatedString("Author Name");
// Addon version (4) [unused]
writer.Write((int)1);
// File list
uint fileNum = 0;
foreach (ContentFile f in addon.Files)
{
// Remove prefix / from filename
string file = f.Path.TrimStart('/');
fileNum++;
writer.Write(fileNum); // File number (4)
writer.WriteNullTerminatedString(file.ToLowerInvariant()); // File name (all lower case!) (n)
writer.Write(f.Size); // File size (8) unsigned long
writer.Write(f.CRC); // File CRC (4) long long
}
writer.Flush();
// Zero to signify the end of files
fileNum = 0;
writer.Write(fileNum);
// The files
foreach (ContentFile f in addon.Files)
{
writer.Write(f.Content);
writer.Flush();
}
// CRC what we've written (to verify that the download isn't s*****d) (4)
writer.Seek(0, SeekOrigin.Begin);
byte[] buffer_whole = new byte[writer.BaseStream.Length];
writer.BaseStream.Read(buffer_whole, 0, (int)writer.BaseStream.Length);
ulong addonCRC = System.Cryptography.CRC32.ComputeChecksum(buffer_whole);
writer.Write(addonCRC);
writer.Flush();
writer.BaseStream.Seek(0, SeekOrigin.Begin);
}
/// <summary>
/// Serializes the current object into a byte array.
/// </summary>
public byte[] Serialize()
{
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
foreach (KeyValuePair<long, string> doodadName in this.DoodadNames)
{
bw.WriteNullTerminatedString(doodadName.Value);
}
}
return ms.ToArray();
}
}
public byte[] Serialize()
{
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
foreach (string filename in this.Filenames)
{
bw.WriteNullTerminatedString(filename);
}
}
return ms.ToArray();
}
}
public byte[] Serialize()
{
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
// Each block begins with two empty strings
bw.Write('\0');
bw.Write('\0');
// Then the actual data
for (int i = 0; i < this.GroupNames.Count; ++i)
{
bw.WriteNullTerminatedString(this.GroupNames.ElementAt(i).Value);
}
// Then zero padding to an even 4-byte boundary at the end
long count = 4 - (ms.Position % 4);
if (count < 4)
{
for (long i = 0; i < count; ++i)
{
bw.Write('\0');
}
}
}
return ms.ToArray();
}
}
public void WriteString(Stream output)
{
BinaryWriter writer = new BinaryWriter(output, Encoding.Default, true);
StringOffset = (int) output.Position;
string value = ValueEncrypted ? Encoding.Default.GetString(EncryptedValue) : Value;
StringLength = value.Length;
writer.WriteNullTerminatedString(value);
}
public byte[] Serialize()
{
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
foreach (KeyValuePair<long, string> texture in this.Textures)
{
if (ms.Position % 4 == 0)
{
bw.WriteNullTerminatedString(texture.Value);
}
else
{
// Pad with nulls, then write
long stringPadCount = 4 - (ms.Position % 4);
for (int i = 0; i < stringPadCount; ++i)
{
bw.Write('\0');
}
bw.WriteNullTerminatedString(texture.Value);
}
}
// Finally, pad until the next alignment
long padCount = 4 - (ms.Position % 4);
for (int i = 0; i < padCount; ++i)
{
bw.Write('\0');
}
}
return ms.ToArray();
}
}
public byte[] Serialize()
{
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
if (string.IsNullOrEmpty(this.SkyboxName))
{
bw.Write(new byte[4]);
}
else
{
bw.WriteNullTerminatedString(this.SkyboxName);
}
}
return ms.ToArray();
}
}
