private static void RunPuzzle2()
{
var scan = LoadState("input.txt");
var automaton = new RecursiveEris(scan);
Console.WriteLine("PUZZLE 2");
Console.WriteLine("========");
automaton.Advance(200);
Console.WriteLine("Total number of bugs: " + automaton.CountBugsRecursive());
}
public RecursiveEris(IEnumerable <IEnumerable <char> > cells = null, RecursiveEris parentLevel = null, RecursiveEris childLevel = null)
{
Width = 5;
Height = 5;
Cells = new char[Height, Width];
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
Cells[y, x] = (cells != null ? cells.ElementAt(y).ElementAt(x) : '.');
}
}
Cells[Center, Center] = '?';
ParentLevel = parentLevel;
ChildLevel = childLevel;
}
public void Advance(int steps = 1, bool advanceParent = true, bool advanceChild = true)
{
for (int i = 0; i < steps; i++)
{
// save next and current layouts
var nextLayout = GetNextLayout();
string tiles = GetTileString();
string nextTiles = GetTileStringFor(nextLayout);
// handle recursive levels
if (advanceParent)
{
// add parent level if layout will change
if (nextTiles != tiles && ParentLevel == null)
{
ParentLevel = new RecursiveEris(childLevel: this);
}
// advance parent level, if any
if (ParentLevel != null)
{
ParentLevel.Advance(advanceChild: false);
}
}
if (advanceChild)
{
// add child level if layout will change
if (nextTiles != tiles && ChildLevel == null)
{
ChildLevel = new RecursiveEris(parentLevel: this);
}
// advance child level, if any
if (ChildLevel != null)
{
ChildLevel.Advance(advanceParent: false);
}
}
// update tiles
Cells = nextLayout;
}
}
private static void RunExamples2()
{
var scan = LoadState("example1.txt");
var automaton = new RecursiveEris(scan);
automaton.Advance(10);
Console.WriteLine("EXAMPLE 2");
Console.WriteLine("=========");
Console.WriteLine("Depth 0:");
PrintScan(automaton);
Console.WriteLine();
int counter = 0;
var parent = automaton.ParentLevel;
while (parent != null)
{
counter--;
Console.WriteLine("Depth " + counter + ":");
PrintScan(parent);
Console.WriteLine();
parent = parent.ParentLevel;
}
counter = 0;
var child = automaton.ChildLevel;
while (child != null)
{
counter++;
Console.WriteLine("Depth " + counter + ":");
PrintScan(child);
Console.WriteLine();
child = child.ChildLevel;
}
Console.WriteLine("Total number of bugs: " + automaton.CountBugsRecursive());
}