/// <summary>
/// Load the TRN direct from a binary reader stream.
/// Stream must be aligned with the beginning of a TRN
/// </summary>
/// <param name="reader"></param>
public void Load(System.IO.BinaryReader reader)
{
OEIShared.Utils.FourCC cc = new OEIShared.Utils.FourCC(reader.ReadChars(4));
if (cc != this._fourCC)
{
throw new ApplicationException(this._fourCC.ToString() + " not found in stream");
}
this._majorFileVersion = reader.ReadUInt16();
this._minorFileVersion = reader.ReadUInt16();
this._numPackets = reader.ReadInt32();
PacketPointer[] packetPointers = new PacketPointer[this._numPackets];
for (int i = 0; i < this._numPackets; i++)
{
packetPointers[i].Type = new OEIShared.Utils.FourCC(reader.ReadChars(4));
packetPointers[i].Address = reader.ReadInt32();
}
int curTRRNIndex = 0;
int curTRRNX = 0;
int curTRRNY = 0;
// use the above info to find the TRWH
foreach (PacketPointer ptr in packetPointers)
{
if (ptr.Type == new OEIShared.Utils.FourCC("TRWH"))
{
if (this._TRWH == null)
{
reader.BaseStream.Position = ptr.Address;
this._TRWH = new TRWH(reader);
this._TRRNs = new TRRN[this.Width, this.Height];
}
else
{
System.Windows.Forms.MessageBox.Show("Ignoring Additional TRWH");
}
}
else if (ptr.Type == new OEIShared.Utils.FourCC("TRRN"))
{
if (this._TRWH == null)
{
throw new ApplicationException("TRRN found but no TRWH. Can't load TRRN.");
}
else
{
curTRRNX = curTRRNIndex % Width;
curTRRNY = int.Parse(Math.Floor(curTRRNIndex / (double)Width).ToString());
curTRRNIndex++;
reader.BaseStream.Position = ptr.Address;
this._TRRNs[curTRRNX, curTRRNY] = new TRRN(reader);
this._vertices.AddRange(this._TRRNs[curTRRNX, curTRRNY].Vertices);
this._ddsGroups.Add(this._TRRNs[curTRRNX, curTRRNY].DDSGroup);
}
}
else if (ptr.Type == new OEIShared.Utils.FourCC("ASWM"))
{
reader.BaseStream.Position = ptr.Address;
this._ASWMs.Add(new ASWM(reader));
}
}
}
/// <summary>
/// Load the TRN direct from a binary reader stream.
/// Stream must be aligned with the beginning of a TRN
/// </summary>
/// <param name="reader"></param>
public void Load( System.IO.BinaryReader reader )
{
OEIShared.Utils.FourCC cc = new OEIShared.Utils.FourCC( reader.ReadChars( 4 ) );
if ( cc != this._fourCC )
throw new ApplicationException( this._fourCC.ToString() + " not found in stream" );
this._majorFileVersion = reader.ReadUInt16();
this._minorFileVersion = reader.ReadUInt16();
this._numPackets = reader.ReadInt32();
PacketPointer[] packetPointers = new PacketPointer[this._numPackets];
for ( int i = 0; i < this._numPackets; i++ )
{
packetPointers[i].Type = new OEIShared.Utils.FourCC( reader.ReadChars( 4 ) );
packetPointers[i].Address = reader.ReadInt32();
}
int curTRRNIndex = 0;
int curTRRNX = 0;
int curTRRNY = 0;
// use the above info to find the TRWH
foreach( PacketPointer ptr in packetPointers )
{
if ( ptr.Type == new OEIShared.Utils.FourCC( "TRWH" ) )
{
if ( this._TRWH == null )
{
reader.BaseStream.Position = ptr.Address;
this._TRWH = new TRWH( reader );
this._TRRNs = new TRRN[ this.Width, this.Height ];
}
else
{
System.Windows.Forms.MessageBox.Show( "Ignoring Additional TRWH" );
}
}
else if ( ptr.Type == new OEIShared.Utils.FourCC( "TRRN" ) )
{
if ( this._TRWH == null )
throw new ApplicationException( "TRRN found but no TRWH. Can't load TRRN." );
else
{
curTRRNX = curTRRNIndex % Width;
curTRRNY = int.Parse( Math.Floor( curTRRNIndex / (double)Width ).ToString() );
curTRRNIndex++;
reader.BaseStream.Position = ptr.Address;
this._TRRNs[curTRRNX, curTRRNY] = new TRRN( reader );
this._vertices.AddRange(this._TRRNs[curTRRNX, curTRRNY].Vertices);
this._ddsGroups.Add(this._TRRNs[curTRRNX, curTRRNY].DDSGroup);
}
}
else if ( ptr.Type == new OEIShared.Utils.FourCC( "ASWM" ) )
{
reader.BaseStream.Position = ptr.Address;
this._ASWMs.Add( new ASWM( reader ) );
}
}
}
