public bool TryGetPermutation(byte *output, out uint permutationHash)
{
for (; currentRow < 4; currentRow++)
{
for (; currentColumn < 4; currentColumn++)
{
if (grid[currentRow * 4 + currentColumn] == 0)
{
GridFunctions.CloneGrid(collapsedGrid, output);
GridFunctions.CloneRow(grid + rowDelta * currentRow + offset, output + rowDelta * currentRow + offset, columnDelta);
output[currentRow * 4 + currentColumn] = 1;
GridFunctions.collapseRow(output + rowDelta * currentRow + offset, columnDelta);
uint rowHash = GridFunctions.GetRowHash(output + rowDelta * currentRow + offset, columnDelta);
rowHash <<= 2;
rowHash |= (uint)currentRow;
permutationHash = rowHash;
currentColumn++;
return(true);
}
}
currentColumn = 0;
}
permutationHash = 0;
return(false);
}
