public static void Run()
{
var map = new TunnelMap();
var entranceCoords = map.GetCoordsAt('@');
Console.WriteLine("EntranceCoords: " + entranceCoords);
var test = map.MapKeysAndDoorsInSight(entranceCoords);
// Look by traversing: Where is next key
// where equivalent door is in sight (record equivalent door)
// If multiple, select shortest path
// Actually Traverse to selected key (record steps)
// When at key, set door as unlocked
// Repeat
}
public override void First()
{
map = new TunnelMap("Day18/tunnels.txt");
//var keys = map.FindKeys();
//var reach = keys.ToDictionary(k => k.Key, k => map.ReachFrom(k.Value));
var totalDist = 0;
map.debugplot = PlotMode.None;
var origin = map.Find('@');
map.Set(origin, '.');
var bestof = DoReach(origin);
}