private void DumpCarts()
{
foreach (var c in AllCarts.GroupBy(x => x.Coordinates.X).OrderBy(x => x.Key))
{
foreach (var ca in c.OrderBy(x => x.Coordinates.Y))
{
ca.WhereAmI();
}
}
}
private void initGrid(string path)
{
var input = File.ReadAllLines(path);
var indexCounter = 0;
var grid = File.ReadAllLines(path).Select(x => x.ToCharArray()).ToArray();
initTracks(grid);
foreach (var t in Tracks)
{
foreach (var c in t.CartsOnTrack)
{
AllCarts.Add(c);
}
}
}
public void StartMoving(int delay = 0, bool dumpGrid = false)
{
var tickCount = 0;
while (true)
{
var cartsToRemove = new List <Cart>();
var cartsByRow = AllCarts.GroupBy(x => x.Coordinates.X).OrderBy(x => x.Key);
foreach (var g in cartsByRow)
{
foreach (var c in g.OrderBy(x => x.Coordinates.Y))
{
if (cartsToRemove.Contains(c))
{
continue;
}
c.Move(IntersectionMap);
var collidingCarts = AllCarts.Where(x => x.Coordinates.Equals(c.Coordinates)).ToList();
if (collidingCarts.Count() > 1)
{
Console.WriteLine($"{collidingCarts[0].CurrentDirection} " +
$"crashed into {collidingCarts[1].CurrentDirection} " +
$"at {collidingCarts[0].Coordinates.Y}, {collidingCarts[0].Coordinates.X} " +
$"on tick {tickCount + 1}. {AllCarts.Count - 2} carts left.");
cartsToRemove.AddRange(collidingCarts);
}
}
}
foreach (var cartToRemove in cartsToRemove)
{
AllCarts.Remove(cartToRemove);
}
foreach (var t in Tracks)
{
t.CartsOnTrack.Clear();
var newCarts = AllCarts.Where(x => x.OnTrack.TrackId == t.TrackId).ToList();
t.CartsOnTrack.AddRange(newCarts);
}
if (dumpGrid)
{
DumpGrid();
}
foreach (var c in AllCarts)
{
c.ResetMovement();
}
tickCount++;
if (AllCarts.Count <= 1)
{
break;
}
if (delay > 0)
{
Thread.Sleep(delay);
}
}
if (AllCarts.Count == 0)
{
Console.WriteLine("No Carts left! Finished Moving!");
}
else
{
Console.WriteLine($"{AllCarts[0].Coordinates.Y}, {AllCarts[0].Coordinates.X}");
}
}
