private void EvaluateDifficulty()
{
if (RecursionDepth > Common.DifficultyUpperBoundMetrics[Common.Difficulty.Hard])
{
_difficulty = Common.Difficulty.Samurai;
}
else
{
if (RecursionDepth >
Common.DifficultyUpperBoundMetrics[Common.Difficulty.Medium] &&
RecursionDepth <= Common.DifficultyUpperBoundMetrics[Common.Difficulty.Hard])
{
_difficulty = Common.Difficulty.Hard;
}
else
{
if (RecursionDepth >
Common.DifficultyUpperBoundMetrics[Common.Difficulty.Easy] &&
RecursionDepth <=
Common.DifficultyUpperBoundMetrics[Common.Difficulty.Medium])
{
_difficulty = Common.Difficulty.Medium;
}
else
{
_difficulty = Common.Difficulty.Easy;
}
}
}
}
/// <summary>
/// applies deletions rules on the basis of difficulty level
/// </summary>
/// <param name="difficulty"></param>
/// <param name="index"></param>
/// <param name="board"></param>
public void MakeItDifficultBy(Common.Difficulty difficulty, int[] index, ref int[,] board)
{
if (difficulty == Common.Difficulty.Easy || difficulty == Common.Difficulty.Medium)
{
ExecuteRules(new[] { DeletionRules.RowRule, DeletionRules.ColumnRule, DeletionRules.DiagonalRule }, index, ref board);
}
else
{
ExecuteRules(new[] { DeletionRules.DiagonalRule }, index, ref board);
}
}
public static IGenerator GetGenerator(int squareDimension, Common.Difficulty difficulty)
{
if (squareDimension == 9)
{
return(new Generator9X9(difficulty));
}
else
{
throw new Exception("This grid cannot be solved currently");
}
}
/// <summary>
/// generates random set of indexes, which will be used to delete items from sudoku
/// </summary>
/// <param name="difficulty"></param>
/// <returns></returns>
private IEnumerable <int[]> IndexesTobeDeleted(Common.Difficulty difficulty)
{
HashSet <int> set;
var indexes = new List <int[]>();
switch (difficulty)
{
case Common.Difficulty.Easy:
set = GenerateNumberSet(55 / 3);
break;
case Common.Difficulty.Medium:
set = GenerateNumberSet(60 / 3);
break;
case Common.Difficulty.Hard:
set = GenerateNumberSet(65 / 2);
break;
case Common.Difficulty.Samurai:
set = GenerateNumberSet(75 / 2);
break;
default:
throw new Exception("difficulty not specified...");
}
foreach (var setItem in set)
{
var splits = setItem.ToString().ToCharArray();
if (splits.Length == 2)
{
var rIndex = int.Parse(splits[0].ToString());
var cIndex = int.Parse(splits[1].ToString());
indexes.Add(new[] { rIndex, cIndex });
}
else
{
indexes.Add(new[] { 0, int.Parse(splits[0].ToString()) });
}
}
return(indexes);
}
/// <summary>
/// generates sudoku with specified difficulty level
/// </summary>
/// <param name="squareDimension"></param>
/// <param name="difficulty"></param>
/// <returns></returns>
public Generator9X9(Common.Difficulty difficulty)
{
_difficulty = difficulty;
}
private Common.Difficulty difficulty; //Difficulté de l'IA
public IA(String n, List <Carte> m, int score, Common.Difficulty d) : base(n, m, score)
{
this.difficulty = d;
}
