public static bool IsFd(this Delta d) => 0 < Clen(d) && Clen(d) <= 30;
public static int Mlen(this Delta d)
{
return(Abs(d.DX) + Abs(d.DY) + Abs(d.DZ));
}
public static bool IsLld(this Delta d) => IsLd(d) && Mlen(d) <= 15;
public static bool IsNd(this Delta d) => Mlen(d) <= 2 && Clen(d) == 1;
public static int Clen(this Delta d)
{
return(Max3(Abs(d.DX), Abs(d.DY), Abs(d.DZ)));
}
public static bool IsLd(this Delta d)
{
return((d.DX != 0 && d.DY == 0 && d.DZ == 0) ||
(d.DX == 0 && d.DY != 0 && d.DZ == 0) ||
(d.DX == 0 && d.DY == 0 && d.DZ != 0));
}
public static Command SMove(Delta lld)
{
Requires.Arg(lld.IsLld(), nameof(lld), "Argument is not a valid lld.");
return(new SMoveCommand(lld));
}
internal override Command DecodeText(IReadOnlyList <string> args) => Commands.SMove(Delta.Parse(args[0]));
internal SMoveCommand(Delta lld)
{
mLld = lld;
}
private void Execute()
{
var commands = new Command[S.Bots.Count];
Delta down = Delta.LinearY(-1);
while (true)
{
int z = 0;
while (true)
{
for (int i = 0; i < S.Bots.Count; i++)
{
int dx = (S.Bots[i].Pos.X % 31 == (R - 1) % 31) ? -30 : +30;
if (S.Bots[i].Pos.X == 0)
{
dx = (R + 30) % 31;
}
dx = Math.Max(dx, -S.Bots[i].Pos.X);
int dz = (S.Bots[i].Pos.Z == z) ? +30 : -30;
commands[i] = Commands.GVoid(down, Delta.Of(dx, 0, dz));
}
S.DoTurn(commands);
if (z + 30 == MaxZ)
{
break;
}
int dz0 = Math.Min(z + 30, MaxZ - 30) - z;
z += dz0;
for (int dz = dz0; dz > 0; dz -= 15)
{
for (int i = 0; i < S.Bots.Count; i++)
{
commands[i] = Commands.SMove(Delta.LinearZ(Math.Min(dz, 15)));
}
S.DoTurn(commands);
}
}
for (int i = 0; i < S.Bots.Count; i++)
{
commands[i] = Commands.SMove(down);
}
S.DoTurn(commands);
if (S.Bots[0].Pos.Y == 0)
{
for (; z > 0; z -= 15)
{
for (int i = 0; i < S.Bots.Count; i++)
{
commands[i] = Commands.SMove(Delta.LinearZ(-Math.Min(z, 15)));
}
S.DoTurn(commands);
}
break;
}
while (true)
{
for (int i = 0; i < S.Bots.Count; i++)
{
int dx = (S.Bots[i].Pos.X % 31 == (R - 1) % 31) ? -30 : +30;
if (S.Bots[i].Pos.X == 0)
{
dx = (R + 30) % 31;
}
dx = Math.Max(dx, -S.Bots[i].Pos.X);
int dz = (S.Bots[i].Pos.Z == z) ? +30 : -30;
commands[i] = Commands.GVoid(down, Delta.Of(dx, 0, dz));
}
S.DoTurn(commands);
if (z == 0)
{
break;
}
int dz0 = z - Math.Max(z - 30, 0);
z -= dz0;
for (int dz = dz0; dz > 0; dz -= 15)
{
for (int i = 0; i < S.Bots.Count; i++)
{
commands[i] = Commands.SMove(Delta.LinearZ(-Math.Min(dz, 15)));
}
S.DoTurn(commands);
}
}
for (int i = 0; i < S.Bots.Count; i++)
{
commands[i] = Commands.SMove(down);
}
S.DoTurn(commands);
if (S.Bots[0].Pos.Y == 0)
{
break;
}
}
}
private void Cleanup()
{
var commands = new List <Command>();
foreach (Nanobot bot in S.Bots)
{
if (bot.Pos.X < R - 1)
{
if (bot.Pos.X % 31 == (R - 1) % 31)
{
commands.Add(Commands.FusionP(Delta.LinearX(+1)));
continue;
}
if (bot.Pos.X % 31 == (R - 0) % 31)
{
commands.Add(Commands.FusionS(Delta.LinearX(-1)));
continue;
}
}
commands.Add(Commands.Wait());
}
S.DoTurn(commands);
commands.Clear();
while (true)
{
int z = 0;
foreach (Nanobot bot in S.Bots)
{
z = Math.Max(bot.Pos.Z, z);
}
if (z == 0)
{
break;
}
foreach (Nanobot bot in S.Bots)
{
if (bot.Pos.Z <= z - 2)
{
commands.Add(Commands.Wait());
continue;
}
if (bot.Pos.Z == z - 1)
{
commands.Add(Commands.FusionP(Delta.LinearZ(+1)));
continue;
}
if (z == 1 || z % 31 == R % 31)
{
commands.Add(Commands.FusionS(Delta.LinearZ(-1)));
}
else
{
int dz = -Math.Min(z - 1, 15);
commands.Add(Commands.SMove(Delta.LinearZ(dz)));
}
}
S.DoTurn(commands);
commands.Clear();
}
while (true)
{
int x = 0;
foreach (Nanobot bot in S.Bots)
{
x = Math.Max(bot.Pos.X, x);
}
if (x == 0)
{
break;
}
foreach (Nanobot bot in S.Bots)
{
if (bot.Pos.X <= x - 2)
{
commands.Add(Commands.Wait());
continue;
}
if (bot.Pos.X == x - 1)
{
commands.Add(Commands.FusionP(Delta.LinearX(+1)));
continue;
}
if (x == 1 || x % 31 == R % 31)
{
commands.Add(Commands.FusionS(Delta.LinearX(-1)));
}
else
{
int dx = Math.Min(x - 1, 15);
commands.Add(Commands.SMove(Delta.LinearX(-dx)));
}
}
S.DoTurn(commands);
commands.Clear();
}
}