public void Part2()
{
var intCodeComputer = new IntCodeComputerDay11(Day11Input, TestContext);
var input = 1L;
var track = CalculateTrack(input, intCodeComputer);
var trackByRows = track.GroupBy(kvp => kvp.Key.y);
var stringBuilder = new StringBuilder();
foreach (var row in trackByRows)
{
var ubound = row.Max(kvp => kvp.Key.x);
var valueByX = row.ToDictionary(k => k.Key.x, v => v.Value);
for (var i = 0; i < ubound; i++)
{
if (valueByX.ContainsKey(i))
{
stringBuilder.Append(valueByX[i] == 0 ? " " : "X");
}
else
{
stringBuilder.Append(" ");
}
}
stringBuilder.AppendLine();
}
TestContext.WriteLine(stringBuilder.ToString());
}
public void Part1()
{
var intCodeComputer = new IntCodeComputerDay11(Day11Input, TestContext);
var input = 0L;
var track = CalculateTrack(input, intCodeComputer);
TestContext.WriteLine(track.Count.ToString());
}
private static Dictionary <(int x, int y), long> CalculateTrack(long input, IntCodeComputerDay11 intCodeComputer)
{
var track = new Dictionary <(int x, int y), long>();
(int x, int y)location = (0, 0);
var direction = Direction.Up;
while (input != -1)
{
var output = intCodeComputer.IntCode(input);
track[location] = output;
output = intCodeComputer.IntCode();
if (output == 0)
{
direction = (Direction)((byte)((byte)direction - 1) % 4);
}
else
{
direction = (Direction)((byte)((byte)direction + 1) % 4);
}
switch (direction)
{
case Direction.Up:
location.y++;
break;
case Direction.Right:
location.x++;
break;
case Direction.Down:
location.y--;
break;
case Direction.Left:
location.x--;
break;
default:
throw new ArgumentOutOfRangeException();
}
if (track.TryGetValue(location, out input) == false)
{
input = 0;
}
}
return(track);
}