public override string ToString()
{
return(string.Format("{0} {1} {2}{3}",
location.x,
location.y,
WorldHelper.RotationToCompass(rotation),
alive ? "" : " LOST"));
}
static void Main(string[] args)
{
//please place input.txt file in below directory or change path to correct location
StreamReader file;
string path = @"C:/input.txt";
try
{
file = new StreamReader(path);
} catch (Exception e) {
Console.WriteLine("Please place input.txt file in this location: " + path);
Console.ReadLine();
return;
}
List <Ship> Ships = new List <Ship>();
bool firstLine = true;
string line;
Coordinates world = new Coordinates();
//read input.txt file and create objects from it
while ((line = file.ReadLine()) != null)
{
//read first line and create world
if (firstLine)
{
int xInput = Int32.Parse(line.Split(' ')[0]);
int yInput = Int32.Parse(line.Split(' ')[1]);
world = new Coordinates()
{
x = xInput, y = yInput
};
firstLine = false;
continue;
}
//pretty hacky way to read the input.txt file and create ship objects
string[] splitLine = line.Split(' ');
int xtmp = Int32.Parse(splitLine[0]);
int ytmp = Int32.Parse(splitLine[1]);
string compass = splitLine[2];
Ship tmpShip = new Ship(world, xtmp, ytmp, (int)WorldHelper.CompassToRotation(compass));
string instructions = file.ReadLine();
tmpShip.instructions = instructions;
file.ReadLine();
Ships.Add(tmpShip);
}
foreach (Ship ship in Ships)
{
ship.DoInstructions();
Console.WriteLine(ship);
}
Console.ReadLine();
}
public void Forward()
{
//we may need the old location for recording a movement that places us out of bounds later
Coordinates oldCoords = location;
//check if we have danger location recorded
string direction = WorldHelper.RotationToCompass(rotation).ToString();
if (WorldHelper.IsMovementSafe(location.x, location.y, direction))
{
//we do not want to move forward!
return;
}
//move ship forward in direction
switch (WorldHelper.RotationToCompass(rotation))
{
case WorldHelper.Compass.N:
location.y += 1;
break;
case WorldHelper.Compass.E:
location.x += 1;
break;
case WorldHelper.Compass.S:
location.y -= 1;
break;
case WorldHelper.Compass.W:
location.x -= 1;
break;
}
//check ship is in bounds
if (location.x <= world.x && location.y <= world.y && location.x >= 0 && location.y >= 0)
{
return;
}
//ship went out of bounds - record the movement for future ships
if (alive)
{
DangerMovement dm = new DangerMovement()
{
coords = oldCoords,
direction = direction
};
WorldHelper.DangerMovements.Add(dm);
}
alive = false;
}
