private static Entity ReadEntityLump(IntPtr ptr, LumpEntry def)
{
IntPtr lumpPtr = ptr + def.Offset;
return(new Entity {
Name = Marshal.PtrToStringAnsi(lumpPtr, def.Length)
});
}
private static T[] ReadBasicLump <T>(IntPtr ptr, LumpEntry def)
{
IntPtr lumpPtr = ptr + def.Offset;
int elementSize = Marshal.SizeOf <T>();
int elementCount = def.Length / elementSize;
T[] lump = new T[elementCount];
for (int i = 0; i < elementCount; i++)
{
lump[i] = Marshal.PtrToStructure <T>(lumpPtr + i * elementSize);
}
return(lump);
}
private static Visdata ReadVisDataLump(IntPtr ptr, LumpEntry def)
{
Visdata visData = new Visdata();
if (def.Length > 0)
{
IntPtr lumpPtr = ptr + def.Offset;
visData.NumberVectors = Marshal.ReadInt32(lumpPtr);
visData.VectorSize = Marshal.ReadInt32(lumpPtr + sizeof(int));
visData.Vectors = new byte[visData.NumberVectors * visData.VectorSize];
Marshal.Copy(lumpPtr + 2 * sizeof(int), visData.Vectors, 0, visData.Vectors.Length);
}
return(visData);
}
