private void LoadLumpAt(string path, int index)
{
string filename = Path.GetFileName(path);
BinaryReader br;
if (filename.Length > 12)
{
//trim the filename
filename = filename.Remove(12);
}
br = new BinaryReader(File.Open(path, FileMode.Open));
int size = (int)br.BaseStream.Length;
byte[] data = br.ReadBytes((int)br.BaseStream.Length);
HOGLump newLump = new HOGLump(filename, size, -1);
newLump.Data = data;
newLump.Type = HOGLump.IdentifyLump(newLump.Name, newLump.Data);
//datafile.AddLump(newLump);
ListViewItem lumpElement = new ListViewItem(newLump.Name);
lumpElement.SubItems.Add(newLump.Size.ToString());
lumpElement.SubItems.Add(newLump.Type.ToString());
if (index != -1)
{
listView1.Items.Insert(index, lumpElement);
datafile.AddLumpAt(newLump, index);
}
else
{
listView1.Items.Add(lumpElement);
datafile.AddLump(newLump);
}
}
/// <summary>
/// Reads the data of a HOG file from a stream.
/// </summary>
/// <param name="stream">The stream to read the HOG file from.</param>
public void Read(Stream stream)
{
lock (hogFileLock)
lock (lumpLock)
lock (lumpNameLock)
{
BinaryReader br = new BinaryReader(stream);
fileStream = br;
lumps.Clear();
char[] header = new char[3];
header[0] = (char)br.ReadByte();
header[1] = (char)br.ReadByte();
header[2] = (char)br.ReadByte();
var headerString = new string(header);
switch (headerString)
{
case "DHF":
Format = HOGFormat.Standard;
break;
case "D2X":
Format = HOGFormat.D2X_XL;
break;
default:
throw new InvalidDataException($"Unrecognized HOG header \"{headerString}\"");
}
try
{
while (true)
{
char[] filenamedata = new char[13];
bool hashitnull = false;
for (int x = 0; x < 13; x++)
{
char c = (char)br.ReadByte();
if (c == 0)
{
hashitnull = true;
}
if (!hashitnull)
{
filenamedata[x] = c;
}
}
string filename = new string(filenamedata);
filename = filename.Trim(' ', '\0');
int filesize = br.ReadInt32();
if (Format == HOGFormat.D2X_XL && filesize < 0)
{
// D2X-XL format encodes "extended" lump headers with negative file sizes
filesize = -filesize;
string longFilename = Encoding.ASCII.GetString(br.ReadBytes(256));
if (longFilename.Contains("\0"))
{
longFilename = longFilename.Remove(longFilename.IndexOf('\0'));
}
longFilename = longFilename.Trim(' ');
// No real reason to use short filename in this instance; just replace it
filename = longFilename;
}
int offset = (int)br.BaseStream.Position;
br.BaseStream.Seek(filesize, SeekOrigin.Current); //I hate hog files. Wads are cooler..
HOGLump lump = new HOGLump(filename, filesize, offset);
lumps.Add(lump);
}
}
catch (EndOfStreamException)
{
//we got all the files
//heh
//i love hog
byte[] data;
for (int i = 0; i < NumLumps; i++)
{
data = GetLumpData(i);
lumps[i].Type = HOGLump.IdentifyLump(lumps[i].Name, data);
}
}
}
}