public static bool IsValidMove(Playfield playfield, Direction nextDirection)
{
int playerCurrentRow = playfield.PlayerPosition.Row;
int playerCurrentCol = playfield.PlayerPosition.Col;
Position playerCurrentPosition = new Position(playerCurrentRow, playerCurrentCol);
if (playerCurrentPosition.IsWinner())
{
return false;
}
playerCurrentPosition.MoveAtDirection(nextDirection);
int[,] fieldGrid = playfield.LabyrinthGrid;
return IsValidPosition(fieldGrid, playerCurrentPosition);
}
/// <summary>
/// Ensure clear escaping path from player start position
/// </summary>
private void EnsureClearPath()
{
Direction nextDirection = new Direction();
Position currentPosition = new Position();
while (!currentPosition.IsWinner())
{
int randomNumber = randomNumberGenerator.Next(-1, 4);
nextDirection = (Direction)(randomNumber);
if (!MovesChecker.IsValidMove(this, nextDirection))
{
currentPosition.MoveAtDirection(nextDirection);
this.LabyrinthGrid[currentPosition.Row, currentPosition.Col] = 0;
}
}
}