/// <summary>
/// Finds the Largest Unsolved MainBlock. For each PossibleBlock in the MainBlock.PossibleBlock, Clones the Grid and sets the relevant PossibleBlock to be the Mainblock.
/// Adds all the copied grids to a list and returns the list.
/// </summary>
/// <returns></returns>
public List <Grid> GetGridsWithSetBlocks()
{
MainBlock largestUnsolved = GetLargestUnsolvedMainBlock();
GridPlusSetBlocks = new List <Grid>();
foreach (PossibleBlock possibleBlock in largestUnsolved.PossibleBlocks)
{
Grid newGrid = _cloneGrid.CloneGrid();
PossibleBlock toTry = GetEquivalentPossibleBlock(possibleBlock, newGrid);
toTry.SetAsMainBlock();
GridPlusSetBlocks.Add(newGrid);
}
return(GridPlusSetBlocks);
}
/// <summary>
/// Loops through all MainBlocks. Removes invalid PossibleBlocks. If there
/// </summary>
public void RemoveImposBlocksAndsetCertain()
{
foreach (MainBlock MBlock in Grid.Blocks)
{
RemoveImpossibleBlocks(MBlock);
if (MBlock.PossibleBlocks.Count == 1)
{
PossibleBlock pBlock = MBlock.PossibleBlocks[0];
pBlock.SetAsMainBlock();
}
else if (MBlock.PossibleBlocks.Count == 0)
{
ProvesNoSolution = true;
}
}
}