/// <summary>
/// Opens an existing WAD file for reading
/// </summary>
/// <param name="fName">File name</param>
public WADfile(string fName)
{
Program.Log(Verbosity.Debug, "Loading {0} into Memory", fName);
using (FileStream FS = File.OpenRead(fName))
{
using (BinaryReader BR = new BinaryReader(FS))
{
string temp = ToString(BR.ReadBytes(4));
if (temp == "IWAD")
{
Type = WADtype.IWAD;
}
else if (temp == "PWAD")
{
Type = WADtype.PWAD;
}
else
{
throw new NotSupportedException("Unsupported file. Unknown Header");
}
int NumEntries = BR.ReadInt32();
int Directory = BR.ReadInt32();
Program.Log(Verbosity.Debug, "Number of Entries: {0}, Directory start: {1}", NumEntries, Directory);
FS.Seek(Directory, SeekOrigin.Begin);
Entries = new WADentry[NumEntries];
for (int i = 0; i < NumEntries; i++)
{
int Pos = BR.ReadInt32();
int Len = BR.ReadInt32();
string Name = ToString(BR.ReadBytes(8));
if (Len > 0 && Pos > 0)
{
Program.Log(Verbosity.Debug, "{0} is {1} bytes", Name, Len);
byte[] Data = new byte[Len];
int currentOffset = (int)FS.Position;
//Read Data and seek back
FS.Seek(Pos, SeekOrigin.Begin);
FS.Read(Data, 0, Len);
FS.Seek(currentOffset, SeekOrigin.Begin);
Entries[i] = new WADentry(Name, Pos, (byte[])Data.Clone());
}
else
{
Program.Log(Verbosity.Debug, "{0} is Virtual", Name);
Entries[i] = new WADentry(Name, 0, null);
}
}
}
}
Program.Log(Verbosity.Info, "WAD file has {0} entries ({1} virtual)", Entries.Length, Entries.Count(m => m.Virtual));
}
/// <summary>
/// Opens an existing WAD file for reading
/// </summary>
/// <param name="fName">File name</param>
public WADfile(string fName)
{
using (FileStream FS = File.OpenRead(fName))
{
using (BinaryReader BR = new BinaryReader(FS))
{
string temp = ToString(BR.ReadBytes(4));
if (temp == "IWAD")
{
Type = WADtype.IWAD;
}
else if (temp == "PWAD")
{
Type = WADtype.PWAD;
}
else
{
throw new Exception("Not a WAD file. Wrong Header");
}
int NumEntries = BR.ReadInt32();
int Directory = BR.ReadInt32();
FS.Seek(Directory, SeekOrigin.Begin);
Entries = new WADentry[NumEntries];
for (int i = 0; i < NumEntries; i++)
{
int Pos = BR.ReadInt32();
int Len = BR.ReadInt32();
string Name = ToString(BR.ReadBytes(8));
if (Len > 0 && Pos > 0)
{
byte[] Data = new byte[Len];
int currentOffset = (int)FS.Position;
FS.Seek(Pos, SeekOrigin.Begin);
FS.Read(Data, 0, Len);
FS.Seek(currentOffset, SeekOrigin.Begin);
Entries[i] = new WADentry(Name, Pos, (byte[])Data.Clone());
}
else
{
Entries[i] = new WADentry(Name, 0, null);
}
}
}
}
}