/// <summary>
/// Checks whether a cell is adjacent
/// </summary>
/// <param name="grid">The game field</param>
/// <param name="size">The size of the field</param>
/// <param name="i">The row index of the cell</param>
/// <param name="j">The column index of the cell</param>
/// <returns></returns>
private bool IsAdjacent(char[,] grid, int size, int i, int j)
{
if (grid[i, j] != EMPTY)
{
return(false);
}
bool res = false;
if (i - 1 >= 0)
{
res = _lettSet.GetIndex(grid[i - 1, j]) != -1;
}
if (!res && i + 1 < size)
{
res = _lettSet.GetIndex(grid[i + 1, j]) != -1;
}
if (!res && j - 1 >= 0)
{
res = _lettSet.GetIndex(grid[i, j - 1]) != -1;
}
if (!res && j + 1 < size)
{
res = _lettSet.GetIndex(grid[i, j + 1]) != -1;
}
return(res);
}
/// <summary>
/// Checks whether a given word is correct
/// </summary>
/// <param name="word">The word it needs to check</param>
/// <returns>true if the word is correct</returns>
private bool CorrectWord(string word)
{
foreach (var ch in word)
{
if (_lettSet.GetIndex(ch) == -1)
{
return(false);
}
}
return(true);
}
