public static void DatSetMakeMergeSet(DatDir tDat, bool mergeWithGameName = true)
{
// look for merged roms, check if a rom exists in a parent set where the Name,Size and CRC all match.
for (int g = 0; g < tDat.ChildCount; g++)
{
DatDir mGame = (DatDir)tDat.ChildSorted(g);
if (mGame.DGame == null)
{
DatSetMakeMergeSet(mGame, mergeWithGameName);
continue;
}
// find all parents of this game
List <DatDir> lstParentGames = new List <DatDir>();
DatFindParentSets.FindParentSet(mGame, tDat, true, ref lstParentGames);
// if no parents are found then just set all children as kept
if (lstParentGames.Count == 0)
{
for (int r = 0; r < mGame.ChildCount; r++)
{
if (mGame.Child(r) is DatFile dfGame)
{
RomCheckCollect(dfGame, false);
}
}
continue;
}
List <DatDir> pGames = new List <DatDir>();
List <DatDir> pBios = new List <DatDir>();
foreach (DatDir dd in lstParentGames)
{
if (dd.DGame.IsBios?.ToLower() == "yes")
{
pBios.Add(dd);
}
else
{
pGames.Add(dd);
}
}
DatBase[] mGameTest = mGame.ToArray();
List <DatBase> mGameKeep = new List <DatBase>();
foreach (DatBase tGame in mGameTest)
{
if (((DatFile)tGame).Status == "nodump")
{
mGame.ChildAdd(tGame);
continue;
}
// first remove any file that is in a parent BIOS set
bool found = false;
foreach (DatDir romofGame in pBios)
{
for (int r1 = 0; r1 < romofGame.ChildCount; r1++)
{
// size/checksum compare, so name does not need to match
// if (!string.Equals(mGame[r].Name, romofGame.Child(r1).Name, StringComparison.OrdinalIgnoreCase))
// {
// continue;
// }
ulong?size0 = ((DatFile)tGame).Size;
ulong?size1 = ((DatFile)romofGame.Child(r1)).Size;
if ((size0 != null) && (size1 != null) && (size0 != size1))
{
continue;
}
byte[] crc0 = ((DatFile)tGame).CRC;
byte[] crc1 = ((DatFile)romofGame.Child(r1)).CRC;
if ((crc0 != null) && (crc1 != null) && !ArrByte.bCompare(crc0, crc1))
{
continue;
}
byte[] sha0 = ((DatFile)tGame).SHA1;
byte[] sha1 = ((DatFile)romofGame.Child(r1)).SHA1;
if ((sha0 != null) && (sha1 != null) && !ArrByte.bCompare(sha0, sha1))
{
continue;
}
byte[] md50 = ((DatFile)tGame).MD5;
byte[] md51 = ((DatFile)romofGame.Child(r1)).MD5;
if ((md50 != null) && (md51 != null) && !ArrByte.bCompare(md50, md51))
{
continue;
}
if (((DatFile)tGame).isDisk != ((DatFile)romofGame.Child(r1)).isDisk)
{
continue;
}
// not needed as we are now checking for nodumps at the top of this code
// don't merge if only one of the ROM is nodump
//if (((DatFile)romofGame.Child(r1)).Status == "nodump" != (((DatFile)mGame[r]).Status == "nodump"))
//{
// continue;
//}
found = true;
break;
}
if (found)
{
break;
}
}
if (!found)
{
mGameKeep.Add(tGame);
}
}
mGame.ChildrenClear();
if (pGames.Count == 0)
{
foreach (DatBase tGame in mGameKeep)
{
mGame.ChildAdd(tGame);
}
continue;
}
DatDir romOfTopParent = pGames[pGames.Count - 1];
foreach (DatBase tGame in mGameKeep)
{
if (mergeWithGameName && !((DatFile)tGame).isDisk)
{
tGame.Name = mGame.Name + "\\" + tGame.Name;
}
romOfTopParent.ChildAdd(tGame);
}
}
}