public GameState GenerateNewNumber()
{
FreeSpace.Clear();
GameState OKGameStateReturn = GameState.Continue;
// fill with nulls
for (int i = 0; i < Cols; i++)
{
for (int j = 0; j < Rows; j++)
{
if (GameBoard[i, j] == 0)
{
FreeSpace.Add(new int[2] {
i, j
});
}
if (GameBoard[i, j] == 2048)
{
if (!ContinueGameMode)
{
OKGameStateReturn = GameState.Won;
}
}
}
}
if (FreeSpace.Count > 0)
{
// 80% chance to generate one number, 20% chance to generate two numbers
int repeatNewNumber = 1;
if (RNG.Next(1, 6) == 5)
{
repeatNewNumber = 2;
}
for (int k = 1; k <= repeatNewNumber; k++)
{
// 80% chance to 2, 20% chance to 4
int numberValue = 2;
if (RNG.Next(1, 6) == 5)
{
numberValue = 4;
}
// select random free spot
int[] selectedSpot = FreeSpace[RNG.Next(0, FreeSpace.Count)];
// place the number to the spot
GameBoard[selectedSpot[0], selectedSpot[1]] = numberValue;
}
return(OKGameStateReturn);
}
else
{
return(GameState.Lost);
}
}
