public static void menu(Turtle player, int[,] room, string[] mainArgs)
{
Console.WriteLine("1 Pen UP");
Console.WriteLine("2 Pen DOWN");
Console.WriteLine("3 Turn RIGHT");
Console.WriteLine("4 Turn LEFT");
Console.WriteLine("5,10 Move FORWARD 10 spaces (replace 10 for a different number of spaces)");
Console.WriteLine($"6 Display the 20-by-{player.RoomWidth} array");
Console.WriteLine("9 End of Data (sentinel)");
Console.WriteLine($"Turtle is facing {player.direction} from {player.x}, {player.y} and pen is {(player.Pen ? "Down" : "Up")}");
string[] commandList = mainArgs;
bool ShowScreen = false; // don't draw by default
bool Continue = true; // continue by default
if (mainArgs == null)
{
Console.WriteLine("Choose a command (comma separated list of commands is accepted): ");
commandList = Console.ReadLine().Split(new char[] { ',', ' ' },
StringSplitOptions.RemoveEmptyEntries);
}
else
{
Continue = false;
}
for (int i = 0; i < commandList.Length; i++)
{
int command;
if (int.TryParse(commandList[i], out command))
{
switch (command)
{
case 1: player.PenUp(); break;
case 2: player.PenDown(); break;
case 3: player.TurnRight(room); break;
case 4: player.TurnLeft(room); break;
case 5: player.MoveForward(room, int.Parse(commandList[++i])); break;
case 6: ShowScreen = true; break;
case 9: Continue = false; break;
default: Console.WriteLine("Invalid command!"); break;
}
}
}
Console.Clear(); // clear screen
if (ShowScreen)
{
Program.RefreshScreen(); // show what you drew
}
if (Continue)
{
Program.NextCommand(); // refresh menu
}
}