private static void SerialOffsetting(Span <byte> span, Int32 sizeChange, Int32 sizeChangeOffset)
{
Int32 exportsCount = DOLib.Int32FromSpanOffset(span, exportsCountOffset);
Int32 exportsMapOffset = DOLib.Int32FromSpanOffset(span, exportsMapOffsetOffset);
Int32 currentReferenceOffset = exportsMapOffset;
bool applyOffsetChange = false;
int processedReferences = 0;
while (processedReferences < exportsCount)
{
if (!applyOffsetChange)
{
RelativeSizeChangeDirection direction = CheckOffsetAffected(span, sizeChangeOffset, currentReferenceOffset);
if (direction == RelativeSizeChangeDirection.here)
{
ApplySerialSizeChange(span, sizeChange, currentReferenceOffset);
applyOffsetChange = true;
}
if (direction == RelativeSizeChangeDirection.before)
{
ApplySerialOffsetChange(span, sizeChange, currentReferenceOffset);
applyOffsetChange = true;
}
}
else
{
ApplySerialOffsetChange(span, sizeChange, currentReferenceOffset);
}
currentReferenceOffset += exportReferenceSize;
processedReferences++;
}
}
private static RelativeSizeChangeDirection CheckOffsetAffected(Span <byte> span, Int32 sizeChangeSerialOffset, Int32 referenceOffset)
{
Int32 serialOffset = DOLib.Int32FromSpanOffset(span, referenceOffset + relativeSerialOffsetOffset);
if (serialOffset > sizeChangeSerialOffset)
{
return(RelativeSizeChangeDirection.before);
}
else if (serialOffset == sizeChangeSerialOffset)
{
return(RelativeSizeChangeDirection.here);
}
else /*if (serialOffset < sizeChangeSerialOffset)*/ return {
(RelativeSizeChangeDirection.after);
}
}