public IPocketDimension CalculateNextCycle()
{
var dimension = new PocketDimension4(SizeX + 2, SizeY + 2, SizeZ + 2, SizeW + 2);
for (var w = 0; w < dimension.SizeW; w++)
{
for (var z = 0; z < dimension.SizeZ; z++)
{
for (var y = 0; y < dimension.SizeY; y++)
{
for (var x = 0; x < dimension.SizeX; x++)
{
var numActive = GetNumActiveNeightbours(x - 1, y - 1, z - 1, w - 1);
var cube = GetSafeValue(x - 1, y - 1, z - 1, w - 1);
if (cube == CubeType.Active)
{
cube = numActive == 2 || numActive == 3 ? CubeType.Active : CubeType.Inactive;
}
else
{
cube = numActive == 3 ? CubeType.Active : CubeType.Inactive;
}
dimension.Cubes[x, y, z, w] = cube;
}
}
}
}
return(dimension);
}
public static IPocketDimension FromLines(List <string> lines)
{
var dimension = new PocketDimension4(lines.First().Length, lines.Count, 1, 1);
for (var y = 0; y < lines.Count; y++)
{
var line = lines[y];
for (var x = 0; x < line.Length; x++)
{
var cube = line[x] == '#' ? CubeType.Active : CubeType.Inactive;
dimension.Cubes[x, y, 0, 0] = cube;
}
}
return(dimension);
}
static void Main()
{
var lines = File.ReadAllLines("input.txt").ToList();
var pockedDimension = PocketDimension3.FromLines(lines);
for (var i = 0; i < 6; i++)
{
pockedDimension = pockedDimension.CalculateNextCycle();
}
Console.WriteLine($"Part 1 - {pockedDimension.NumActive}");
pockedDimension = PocketDimension4.FromLines(lines);
for (var i = 0; i < 6; i++)
{
pockedDimension = pockedDimension.CalculateNextCycle();
}
Console.WriteLine($"Part 2 - {pockedDimension.NumActive}");
}