public static Boolean CheckTowerMovement(CheckerPoint start, CheckerPoint end)
{
if (start.X == end.X) return true;
if (start.Y == end.Y) return true;
return false;
}
public static Boolean CheckJumperMovement(CheckerPoint start, CheckerPoint end)
{
if (end.X == start.X + 2 && (end.Y == start.Y + 1 || end.Y == start.Y - 1)) return true; //left and up, left and down
if (end.X == start.X - 2 && (end.Y == start.Y + 1 || end.Y == start.Y - 1)) return true; //right and up, right and down
if (end.Y == start.Y + 2 && (end.X == start.X + 1 || end.X == start.X - 1)) return true; // up and right, up and left
if (end.Y == start.Y - 2 && (end.X == start.X + 1 || end.X == start.X - 1)) return true; // down and right, up and left
return false;
}
public static Boolean CheckHetmanMovement(CheckerPoint start, CheckerPoint end)
{
//Hetman's movement is tower + bishop movement
if (CheckTowerMovement(start, end)) return true;
if (CheckBishopMovement(start, end)) return true;
return false;
}
public static Boolean CheckBishopMovement(CheckerPoint start, CheckerPoint end)
{
int x_move = end.X - start.X;
int y_move = end.X - start.X;
if (x_move < 0) x_move = - x_move;
if (y_move < 0) y_move = - y_move;
if (x_move == y_move) return true;
else return false;
}
public abstract void Move(CheckerLogic.Checker checker, CheckerPoint point);
public bool CheckIfFieldIsEmpty(CheckerPoint point)
{
if (CheckerTab[point.X, point.Y] == null) return true;
else return false;
}