private void Flip()
{
var commands = new Command[S.Bots.Count];
for (int i = 0; i < S.Bots.Count; i++)
{
commands[i] = (i == 0) ? Commands.Flip() : Commands.Wait();
}
S.DoTurn(commands);
}
private static Command ReadCommand(Stream stream)
{
int b1 = stream.ReadByte();
switch (b1)
{
case -1: return(null);
case 0b11111111:
return(Commands.Halt());
case 0b11111110:
return(Commands.Wait());
case 0b11111101:
return(Commands.Flip());
}
if ((b1 & 0b11001111) == 0b00000100)
{
return(ReadSMove(b1, stream));
}
if ((b1 & 0b00001111) == 0b00001100)
{
return(ReadLMove(b1, stream));
}
switch (b1 & 0b00000111)
{
case 0b111:
return(ReadFusionP(b1, stream));
case 0b100:
return(ReadFusionS(b1, stream));
case 0b101:
return(ReadFission(b1, stream));
case 0b011:
return(ReadFill(b1, stream));
case 0b010:
return(ReadVoid(b1, stream));
case 0b001:
return(ReadGFill(b1, stream));
case 0b000:
return(ReadGVoid(b1, stream));
}
throw new IOException($"Invalid first byte: {b1}.");
}
private void Execute()
{
Delta down = Delta.LinearY(-1);
var gvoid = new Command[S.Bots.Count];
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 % 31 == (R - 1) % 31) ? -30 : +30;
if (S.Bots[i].Pos.Z == 0)
{
dz = (R + 30) % 31;
}
dz = Math.Max(dz, -S.Bots[i].Pos.Z);
gvoid[i] = Commands.GVoid(down, Delta.Of(dx, 0, dz));
}
var smove = new Command[S.Bots.Count];
for (int i = 0; i < S.Bots.Count; i++)
{
smove[i] = Commands.SMove(down);
}
var flipw = new Command[S.Bots.Count];
for (int i = 0; i < S.Bots.Count; i++)
{
flipw[i] = (i == 0) ? Commands.Flip() : Commands.Wait();
}
while (S.Bots[0].Pos.Y > 0)
{
if (S.Harmonics == Low && mHarmonics[S.Bots[0].Pos.Y - 1] == High)
{
S.DoTurn(flipw);
}
S.DoTurn(gvoid);
if (S.Harmonics == High && mHarmonics[S.Bots[0].Pos.Y - 1] == Low)
{
S.DoTurn(flipw);
}
S.DoTurn(smove);
}
}
internal override Command DecodeText(IReadOnlyList <string> args) => Commands.Flip();
internal override Command Decode(int prefix, Func <int> nextByte) => Commands.Flip();
