public override void ValidateExportOptions(ExportOptions options, FileFormat format, ref bool valid, ASCData data)
{
if (options.ContainsFormat("MCA"))
{
bool sourceIs512 = (data.nrows == 512 && data.ncols == 512) || (options.exportRange.NumCols == 512 && options.exportRange.NumRows == 512);
if (options.fileSplitDims != 512 && !sourceIs512)
{
Program.WriteError("File splitting dimensions must be 512 when exporting to minecraft regions!");
valid = false;
}
}
}