Example #1
0
 public Cube(Cube other)
 {
     corners = other.corners.Select(x => new Cubie(x.pos, x.orient)).ToArray();
     edges   = other.edges.Select(x => new Cubie(x.pos, x.orient)).ToArray();
 }
        public static List <string> fullSolve(Cube cube, int maxDepth, int timeoutMS = 6000, bool printInfo = false)
        {
            if (!printInfo)
            {
                Tools.ColorPrint(
                    string.Format("SOLVER START, MAX DEPTH {0}, TIME ALLOWED {1}MS\n\n", maxDepth, timeoutMS),
                    ConsoleColor.Cyan
                    );
            }

            if (cube.isSolved())
            {
                if (!printInfo)
                {
                    Tools.ColorPrint("CUBE ALREADY SOLVED... MAKE IT HARDER NEXT TIME\n", ConsoleColor.Cyan);
                }
                return(new List <string>());
            }

            ax[0] = 0;
            po[0] = 0;

            flip[0]    = cube.edgeOrientCoord();
            twist[0]   = cube.cornOrientCoord();
            udslice[0] = cube.UDSliceCoord();

            cornperm[0] = cube.cornPermCoord();

            udsliceS[0] = cube.UDSliceCoordS();
            usliceS[0]  = cube.USliceCoordS();
            dsliceS[0]  = cube.DSliceCoordS();

            minDistPhase1[1] = 1;
            int  mv = 0, n = 0, depthPhase1 = 1;
            bool busy = false;

            Stopwatch watch = new Stopwatch();

            watch.Start();

            if (!printInfo)
            {
                Tools.ColorPrint(string.Format(
                                     "CUBE COORDINATES\n" +
                                     "\n" +
                                     "   ORIENTATIONS\n" +
                                     "       Corner : {0}\n" +
                                     "       Edge   : {1}\n" +
                                     "\n" +
                                     "   PERMUTATIONS\n" +
                                     "       Corner : {2}\n" +
                                     "       Edge   : {3}\n" +
                                     "\n" +
                                     "   SORTED COMBINATIONS\n" +
                                     "       U-Slice  : {4}\n" +
                                     "       D-Slice  : {5}\n" +
                                     "       UD-Slice : {6}\n" +
                                     "\n",
                                     twist[0], flip[0], cornperm[0], cube.edgePermCoord(),
                                     usliceS[0], dsliceS[0], udsliceS[0]
                                     ), ConsoleColor.DarkCyan);
            }

            while (true)
            {
                do
                {
                    if (depthPhase1 - n > minDistPhase1[n + 1] && !busy)
                    {
                        if (ax[n] == 0 || ax[n] == 3)
                        {
                            ax[++n] = 1;
                        }
                        else
                        {
                            ax[++n] = 0;
                        }

                        po[n] = 1;
                    }
                    else if (++po[n] > 3)
                    {
                        do
                        {
                            if (++ax[n] > 5)
                            {
                                if (watch.ElapsedMilliseconds > timeoutMS)
                                {
                                    //throw new TimeoutException("Not enough time");
                                    List <string> empty = new List <string>();
                                    empty.Add("");
                                    empty.Add("");
                                    empty.Add("0");
                                    return(empty);
                                }

                                if (n == 0)
                                {
                                    if (depthPhase1 > maxDepth)
                                    {
                                        throw new Exception("Max depth exceeded");
                                    }
                                    else
                                    {
                                        depthPhase1++;
                                        ax[n] = 0;
                                        po[n] = 1;
                                        busy  = false;
                                        if (!printInfo)
                                        {
                                            Tools.ColorPrint(string.Format("Depth {0} reached\n", depthPhase1), ConsoleColor.DarkCyan);
                                        }
                                        break;
                                    }
                                }
                                else
                                {
                                    n--;
                                    busy = true;
                                    break;
                                }
                            }
                            else
                            {
                                po[n] = 1;
                                busy  = false;
                            }
                        } while (n != 0 && (ax[n - 1] == ax[n] || ax[n - 1] == ax[n] + 3));
                    }
                    else
                    {
                        busy = false;
                    }
                } while (busy);

                mv = ax[n] * 3 + po[n] - 1;

                flip[n + 1]    = MoveTables.moveEO[flip[n], mv];
                twist[n + 1]   = MoveTables.moveCO[twist[n], mv];
                udslice[n + 1] = MoveTables.moveUD[udslice[n], mv];

                minDistPhase1[n + 1] = Math.Max(
                    PruneTable.pruneEO[Constants.N_UD * flip[n + 1] + udslice[n + 1]],
                    PruneTable.pruneCO[Constants.N_UD * twist[n + 1] + udslice[n + 1]]
                    );

                if (minDistPhase1[n + 1] == 0 && n >= depthPhase1 - 1)
                {
                    minDistPhase1[n + 1] = 10;
                    int s = phaseTwo(depthPhase1, maxDepth);
                    if (n == depthPhase1 - 1 && s >= 0)
                    {
                        if (s == depthPhase1 || (ax[depthPhase1 - 1] != ax[depthPhase1] && ax[depthPhase1 - 1] != ax[depthPhase1] + 3))
                        {
                            if (!printInfo)
                            {
                                Tools.ColorPrint(string.Format("\nSolution found, length {0}\n\n", s), ConsoleColor.Cyan);
                            }
                            return(axPoToMove(s, (printInfo) ? depthPhase1 : -1));
                        }
                    }
                }
            }
        }