static void Main(string[] args)
{
long[] input = File.ReadAllLines("in.txt")[0].Split(',').Select(f => Convert.ToInt64(f)).ToArray();
const int SIZE = 100;
int[,] grid = new int[SIZE, SIZE];
Intcode.CPU cpu = new Intcode.CPU(input);
while (cpu.State != Intcode.CpuState.STOPPED)
{
int x = 0;
int y = 0;
int c = 0;
cpu.Input = new long[] { };
cpu.Run();
if (cpu.State == Intcode.CpuState.OUTPUT_READY)
{
x = (int)cpu.Output;
}
cpu.Input = new long[] { };
cpu.Run();
if (cpu.State == Intcode.CpuState.OUTPUT_READY)
{
y = (int)cpu.Output;
}
cpu.Input = new long[] { };
cpu.Run();
if (cpu.State == Intcode.CpuState.OUTPUT_READY)
{
c = (int)cpu.Output;
}
grid[x, y] = c;
}
int noOfBlockTiles = 0;
// Dump some ASCII-Art
for (int i = 0; i < SIZE; i++)
{
for (int j = 0; j < SIZE; j++)
{
//switch (image[((i * STRIDE) + j)])
//{
// case 0:
// Console.Write(" ");
// b.SetPixel(j, i, Color.Transparent);
// break;
// case 1:
// Console.Write("o");
// b.SetPixel(j, i, Color.Black);
// break;
// case 2:
// Console.Write(".");
// b.SetPixel(j, i, Color.White);
// break;
// default:
// break;
//}
if (grid[j, i] == 2)
{
noOfBlockTiles++;
}
}
}
Console.WriteLine(noOfBlockTiles);
Console.ReadKey();
}
static void Main(string[] args)
{
long[] input = File.ReadAllLines("in.txt")[0].Split(',').Select(f => Convert.ToInt64(f)).ToArray();
const int SIZE = 1500;
int[,] grid = new int[SIZE, SIZE];
int output = 0;
Intcode.CPU cpu;
for (int x = 0; x < SIZE; x++)
{
for (int y = 0; y < SIZE; y++)
{
cpu = new Intcode.CPU(input);
cpu.Input = new long[] { x, y };
cpu.Run();
if (cpu.State == Intcode.CpuState.OUTPUT_READY)
{
output = (int)cpu.Output;
if (output == 1)
{
grid[x, y] = 1;
}
}
}
}
int xmaxTractorBeam = 0;
// Find rightmost tractor beam position
for (int x = SIZE - 1; x > 0; x--)
{
for (int y = 0; y < SIZE; y++)
{
if (grid[x, y] == 1)
{
Console.WriteLine($"First tractor beam grid is at xpos {x}");
xmaxTractorBeam = x;
break;
}
}
if (xmaxTractorBeam > 0)
{
break;
}
}
xmaxTractorBeam -= 100;
int lowx = 10000;
int lowy = 10000;
for (int xx = xmaxTractorBeam - 100; xx >= 0; xx--)
{
coord a = new coord()
{
x = xx, y = 0
};
coord b = new coord()
{
x = xx + 99, y = 0
};
coord c = new coord()
{
x = xx, y = 99
};
coord d = new coord()
{
x = xx + 99, y = 99
};
// Move ship down until all coordinates are inside beam
for (int i = 0; i < SIZE - 100; i++)
{
a.y++;
b.y++;
c.y++;
d.y++;
if (grid[a.x, a.y] == 1 && grid[b.x, b.y] == 1 && grid[c.x, c.y] == 1 && grid[d.x, d.y] == 1)
{
//Console.WriteLine($"Ship fits @ {a.x},{a.y}");
if (a.x < lowx)
{
lowx = a.x; lowy = a.y;
}
}
}
}
Bitmap bm = new Bitmap(SIZE, SIZE);
for (int i = 0; i < SIZE; i++)
{
for (int j = 0; j < SIZE; j++)
{
if (grid[i, j] == 1)
{
bm.SetPixel(i, j, Color.White);
}
else
{
bm.SetPixel(i, j, Color.Black);
}
}
}
bm.SetPixel(lowx, lowy, Color.Red);
bm.Save("output.png", System.Drawing.Imaging.ImageFormat.Png);
Console.WriteLine($"{lowx},{lowy}");
Console.ReadKey();
}
