/// <summary>
/// Get byte array from lump
/// </summary>
public byte[] GetRottWadLumpDataByLump(Rott2DWadDirectoryEntry lump)
{
byte[] data = null;
if (lump.Size > 0)
{
this._WADFile.Seek(lump.Offset, SeekOrigin.Begin);
data = this._WADReader.ReadBytes(lump.Size);
}
return(data);
}
/// <summary>
/// Get byte array from lump name
/// </summary>
public byte[] GetWadLumpDataByName(string strSearchName)
{
Rott2DWadDirectoryEntry lump = this.GetWadEntryByName(strSearchName);
byte[] data = null;
if (lump.Size > 0)
{
this._WADFile.Seek(lump.Offset, SeekOrigin.Begin);
data = this._WADReader.ReadBytes(lump.Size);
}
return(data);
}
/// <summary>
/// Get WAD entry by file size
/// </summary>
public Rott2DWadDirectoryEntry GetRottWadEntryBySize(int intSearchSize)
{
Rott2DWadDirectoryEntry rweFound = new Rott2DWadDirectoryEntry();
rweFound.Name = "EMPTY";
rweFound.Offset = 0;
rweFound.Size = 0;
foreach (Rott2DWadDirectoryEntry rwe in this._WADEntries)
{
if (rwe.Size == intSearchSize)
{
rweFound = rwe;
}
}
return(rweFound);
}
/// <summary>
/// Get WAD entry by Name
/// </summary>
public Rott2DWadDirectoryEntry GetWadEntryByName(string strSearchName)
{
Rott2DWadDirectoryEntry rweReturn = new Rott2DWadDirectoryEntry();
rweReturn.Name = "EMPTY";
rweReturn.Offset = 0;
rweReturn.Size = 0;
foreach (Rott2DWadDirectoryEntry rwe in this._WADEntries)
{
if (rwe.Name == strSearchName)
{
rweReturn = rwe;
/*rweReturn.Name = rwe.Name;
* rweReturn.Offset = rwe.Offset;
* rweReturn.Size = rwe.Size;*/
}
}
return(rweReturn);
}
/// <summary>
/// Read Wad file LUMP's
/// </summary>
private bool ReadRottWadEntries()
{
//Entries can only be read when the file is allocated
if (this.WADAllocated)
{
try
{
//Create header for WAD
this._WADHeader = new Rott2DWadHeader();
this._WADHeader.IsWADFile = false; //initialize
//Go to beginning of WAD file
this._WADFile.Seek(0, SeekOrigin.Begin);
//read first 4 bytes for the IWAD_ID
if (this._WADFile.Length != 0)
{
this._WADHeader.WadFileId = System.Text.Encoding.ASCII.GetString(this._WADReader.ReadBytes(4));
}
//read WAD header data
if (this._WADHeader.WadFileId.CompareTo(IWAD_ID) == 0)
{
this._WADHeader.IsWADFile = true;
this._WADHeader.NumEntries = BitConverter.ToInt32(this._WADReader.ReadBytes(4), 0);
this._WADHeader.DirOffset = BitConverter.ToInt32(this._WADReader.ReadBytes(4), 0);
}
if (this._WADHeader.IsWADFile)
{
//start reading WAD entries
this._WADEntries = new Rott2DWadDirectoryEntry[this._WADHeader.NumEntries];
this._WADFile.Seek(this._WADHeader.DirOffset, SeekOrigin.Begin);
for (int i = 0; i < this._WADHeader.NumEntries; i++)
{
this._WADEntries[i] = new Rott2DWadDirectoryEntry();
this._WADEntries[i].ID = i; //Set our own ID
this._WADEntries[i].Offset = BitConverter.ToInt32(this._WADReader.ReadBytes(4), 0);
this._WADEntries[i].Size = BitConverter.ToInt32(this._WADReader.ReadBytes(4), 0);
//this._WADEntries[i].Name = System.Text.Encoding.ASCII.GetString(this._WADReader.ReadBytes(8)).ToUpper();
this._WADEntries[i].Name = System.Text.Encoding.ASCII.GetString(this._WADReader.ReadBytes(8)).Trim('\0').ToUpper();
}
//flag ready if this is a rott wad file
//the lump in a ROTT WAD file, always reads "WALLSTRT" by name and is a lump marker!
if (this._WADEntries.Length > 0)
{
Rott2DWadDirectoryEntry wde = this.GetRottWadEntryByIndex(0);
if (wde.Name == "WALLSTRT")
{
this._bWADFileHeaderRead = true;
this.WADValid = true;
}
}
else
{
this.CloseRottWad(); //not a ROTT WAD file!
}
}
else
{
this.CloseRottWad(); //close on fail?
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Error in ReadRottWadEntries");
System.Diagnostics.Debug.Write(ex.ToString());
throw new Exception("Error in ReadRottWadEntries");
}
} //if end
return(WADHeader.IsWADFile);
}
