private SparseMap <char> GenerateMap(IntCodeMachine icm)
{
var map = new SparseMap <char>(true);
(int x, int y)cur = (0, 0);
while (icm.Step())
{
while (icm.Output.CanRead)
{
var tile = icm.Output.Read();
//Console.Write((char)tile);
if (tile == 10)
{
cur.x = 0;
cur.y++;
}
else
{
map.Set(cur, (char)tile);
cur.x++;
}
}
if (icm.WantInput)
{
}
}
return(map);
}
public override void Second()
{
var icm = new IntCodeMachine();
icm.Init("Day17/cameras.ic");
icm.mem[0] = 2; // Override movement control
var map = new SparseMap <char>(true);
var y0 = Console.CursorTop;
(int x, int y)cur = (0, 0);
int cmd = 0, cIdx = 0;
var dust = 0L;
while (icm.Step())
{
while (icm.Output.CanRead)
{
var tile = icm.Output.Read();
if (tile == 10)
{
cur.x = 0;
cur.y++;
}
else if (tile < 256)
{
map.Set(cur, (char)tile);
cur.x++;
}
else
{
dust = tile;
}
}
if (icm.WantInput)
{
if (cmd < movements.Length && cIdx < movements[cmd].Length)
{
icm.Input.Write((long)movements[cmd][cIdx]);
cIdx++;
}
else
{
cmd++;
cIdx = 0;
}
}
}
map.Render();
Echo($"Dust collected: {dust}");
ValidateAnswer(dust, 742673);
}
