public static Pointer GetPointerAtOffset(Pointer pointer)
{
MapLoader l = MapLoader.Loader;
Pointer ptr = null;
if (pointer.file.pointers.ContainsKey(pointer.offset))
{
ptr = pointer.file.pointers[pointer.offset];
if (ptr.offset == 0)
{
return(null);
}
return(ptr);
}
else if (pointer.file.allowUnsafePointers)
{
Reader reader = pointer.file.reader;
Pointer.DoAt(ref reader, pointer, () => {
uint current_off = (uint)(reader.BaseStream.Position);
uint value = reader.ReadUInt32();
FileWithPointers file = pointer.file;
uint fileOff = (uint)(current_off - file.baseOffset);
if (file.pointers.ContainsKey(fileOff))
{
ptr = file.pointers[fileOff];
}
else
{
if (value == 0 || value == 0xFFFFFFFF)
{
ptr = null;
}
else
{
ptr = file.GetUnsafePointer(value);
}
}
});
return(ptr);
}
return(null);
}
public static Pointer Read(Reader reader, bool allowMinusOne = false)
{
MapLoader l = MapLoader.Loader;
uint current_off = (uint)(reader.BaseStream.Position);
Pointer readFrom = Pointer.Current(reader);
uint value = reader.ReadUInt32();
FileWithPointers file = l.GetFileByReader(reader);
if (file == null)
{
throw new PointerException("Reader wasn't recognized.", "Pointer.Read");
}
uint fileOff = (uint)(current_off - file.baseOffset);
if (!file.pointers.ContainsKey(fileOff))
{
if (value == 0 || (allowMinusOne && value == 0xFFFFFFFF))
{
return(null);
}
if (!l.allowDeadPointers && !file.allowUnsafePointers)
{
throw new PointerException("Not a valid pointer at " + (Pointer.Current(reader) - 4) + ": " + value, "Pointer.Read");
}
if (file.allowUnsafePointers)
{
Pointer ptr = file.GetUnsafePointer(value);
if (ptr == null)
{
throw new PointerException("Not a valid pointer at " + (Pointer.Current(reader) - 4) + ": " + value, "Pointer.Read");
}
return(LogPointer(ptr, readFrom, l));
}
return(null);
}
// Hack for R3GC US
if (l.allowDeadPointers && file.name == "test" && file.pointers[fileOff].file.name == "fix")
{
return(null);
}
return(LogPointer(file.pointers[fileOff], readFrom, l));
}
