private List <Tuple <int, int> > WritePrimitives(EndianBinaryWriter writer)
{
List <Tuple <int, int> > outList = new List <Tuple <int, int> >();
long start = writer.BaseStream.Position;
foreach (Shape shape in Shapes)
{
foreach (Packet pack in shape.Packets)
{
int offset = (int)(writer.BaseStream.Position - start);
foreach (Primitive prim in pack.Primitives)
{
prim.Write(writer, shape.Descriptor);
}
StreamUtility.PadStreamWithZero(writer, 32);
outList.Add(new Tuple <int, int>((int)((writer.BaseStream.Position - start) - offset), offset));
}
}
return(outList);
}
public void Write(EndianBinaryWriter writer)
{
long start = writer.BaseStream.Position;
writer.WriteSignature("MDL3".ToCharArray());
writer.Write(0); // Placeholder for section size
writer.Write((short)Entries.Count);
writer.Write((short)-1);
writer.Write(0x40); // Offset to command data offset/size block
writer.Write(0);
writer.Write(0);
writer.Write(0);
writer.Write(0);
writer.Write(0);
StreamUtility.PadStreamWithString(writer, 32);
long cmdBlockStart = writer.BaseStream.Position;
for (int i = 0; i < Entries.Count; i++)
{
writer.Write(0);
writer.Write(0);
}
StreamUtility.PadStreamWithString(writer, 32);
for (int i = 0; i < Entries.Count; i++)
{
long absoluteStartOffset = writer.BaseStream.Position;
long relativeStartOffset = writer.BaseStream.Position - cmdBlockStart - i * 8;
Entries[i].Write(writer);
StreamUtility.PadStreamWithZero(writer, 32);
long size = writer.BaseStream.Position - absoluteStartOffset;
writer.Seek((int)cmdBlockStart + (i * 8), System.IO.SeekOrigin.Begin);
writer.Write((int)relativeStartOffset);
writer.Write((int)size);
writer.Seek(0, System.IO.SeekOrigin.End);
}
long subsection2StartOffset = writer.BaseStream.Position;
writer.Seek((int)start + 0x10, System.IO.SeekOrigin.Begin);
var x = (int)subsection2StartOffset - start;
writer.Write((int)(subsection2StartOffset - start));
writer.Seek((int)subsection2StartOffset, System.IO.SeekOrigin.Begin);
for (int i = 0; i < Entries.Count; i++)
{
writer.Write(0);
writer.Write(0);
writer.Write(0);
writer.Write(0);
}
long subsection3StartOffset = writer.BaseStream.Position;
writer.Seek((int)start + 0x14, System.IO.SeekOrigin.Begin);
writer.Write((int)(subsection3StartOffset - start));
writer.Seek((int)subsection3StartOffset, System.IO.SeekOrigin.Begin);
for (int i = 0; i < Entries.Count; i++)
{
writer.Write(0);
writer.Write(0);
}
long subsection4StartOffset = writer.BaseStream.Position;
writer.Seek((int)start + 0x18, System.IO.SeekOrigin.Begin);
writer.Write((int)(subsection4StartOffset - start));
writer.Seek((int)subsection4StartOffset, System.IO.SeekOrigin.Begin);
for (int i = 0; i < Entries.Count; i++)
{
writer.Write((byte)1);
}
StreamUtility.PadStreamWithString(writer, 4);
long subsection5StartOffset = writer.BaseStream.Position;
writer.Seek((int)start + 0x1C, System.IO.SeekOrigin.Begin);
writer.Write((int)(subsection5StartOffset - start));
writer.Seek((int)subsection5StartOffset, System.IO.SeekOrigin.Begin);
for (int i = 0; i < Entries.Count; i++)
{
writer.Write((short)i);
}
StreamUtility.PadStreamWithString(writer, 4);
long stringTableStartOffset = writer.BaseStream.Position;
writer.Seek((int)start + 0x20, System.IO.SeekOrigin.Begin);
writer.Write((int)(stringTableStartOffset - start));
writer.Seek((int)stringTableStartOffset, System.IO.SeekOrigin.Begin);
writer.Write((short)0);
StreamUtility.PadStreamWithString(writer, 32);
long end = writer.BaseStream.Position;
long length = (end - start);
writer.Seek((int)start + 4, System.IO.SeekOrigin.Begin);
writer.Write((int)length);
writer.Seek((int)end, System.IO.SeekOrigin.Begin);
}
