public string CalculatePart2(string inputFile)
{
var program = GetProgram(inputFile);
var runner = new IntCodeRunner9(program);
var painted =
new IntCodeRunner9.DefaultableDictionary <PanelPoint, long>(new Dictionary <PanelPoint, long>(), 0);
var currentPoint = new PanelPoint(0, 0);
painted[currentPoint] = 1;
var currentDirection = Direction.Up;
while (true)
{
var color = painted[currentPoint];
var paint = runner.Run(color);
var turn = runner.Run(color);
if (!paint.HasValue || !turn.HasValue)
{
break;
}
painted[currentPoint] = paint.Value;
if (turn == 0)
{
currentDirection = TurnLeft(currentDirection);
}
else if (turn == 1)
{
currentDirection = TurnRight(currentDirection);
}
currentPoint = currentPoint.GetPoint(currentDirection);
}
var whites = painted.Where(x => x.Value == 1).OrderByDescending(x => x.Key.Y).GroupBy(x => x.Key.Y);
var minX = painted.Min(x => x.Key.X);
var maxX = painted.Max(x => x.Key.X);
var sb = new StringBuilder();
sb.AppendLine();
foreach (var whiteLine in whites)
{
for (int i = minX; i < maxX + 1; i++)
{
sb.Append(whiteLine.Any(x => x.Key.X == i) ? "*" : " ");
}
sb.AppendLine();
}
return(sb.ToString());
}
public string CalculatePart1(string inputFile)
{
var program = GetProgram(inputFile);
var runner = new IntCodeRunner9(program);
var painted =
new IntCodeRunner9.DefaultableDictionary <PanelPoint, long>(new Dictionary <PanelPoint, long>(), 0);
var currentPoint = new PanelPoint(0, 0);
var currentDirection = Direction.Up;
while (true)
{
var color = painted[currentPoint];
var paint = runner.Run(color);
var turn = runner.Run(color);
if (!paint.HasValue || !turn.HasValue)
{
break;
}
painted[currentPoint] = paint.Value;
if (turn == 0)
{
currentDirection = TurnLeft(currentDirection);
}
else if (turn == 1)
{
currentDirection = TurnRight(currentDirection);
}
currentPoint = currentPoint.GetPoint(currentDirection);
}
return(painted.Count.ToString());
}