private static CardLayout BuildStartingList(int uniqueCardLetters, int repeatsPerLetter)
{
int totalCards = uniqueCardLetters * 2 * repeatsPerLetter;
var list = new CardLayout(totalCards);
char letter = 'A';
for (int i = 0; i < totalCards; i += 2)
{
string display = letter.ToString();
for (int r = 0; r < repeatsPerLetter * 2; r++)
{
list.Add(new CardData
{
Index = i,
DisplayText = display,
});
}
letter++;
}
return(list);
}
public CardLayout GenerateCards(int uniqueCardLetters, int repeatsPerLetter, int rngSeed)
{
CardLayout list = BuildStartingList(uniqueCardLetters, repeatsPerLetter);
Scramble(list, rngSeed);
return(CalculateRowsColumns(list));
}
private static void Scramble(CardLayout list, int rngSeed)
{
list.RngSeed = rngSeed;
var rng = new Random(rngSeed);
int lastIndex = list.Count - 1;
for (int i = 0; i < list.Count; i++)
{
int randoIndex = rng.Next(0, lastIndex);
var temp = list[i];
list[i] = list[randoIndex];
list[randoIndex] = temp;
}
}
private static CardLayout CalculateRowsColumns(CardLayout list)
{
int maxCardPerColumn = (int)Math.Ceiling(Math.Sqrt(list.Count));
int row = 0;
int col = 0;
foreach (var card in list)
{
card.RowIndex = row;
card.ColumnIndex = col;
col++;
if (col == maxCardPerColumn)
{
col = 0;
row++;
}
}
list.MaxRowColumn = maxCardPerColumn;
return(list);
}
