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29b82486
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2021 Leszek Koltunski //
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// //
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// This file is part of Magic Cube. //
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// //
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// Magic Cube is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Magic Cube is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Magic Cube. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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10b7e306
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Leszek Koltunski
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package org.distorted.objectlib.scrambling;
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198c5bf0
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Leszek Koltunski
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0e311558
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Leszek Koltunski
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import java.util.ArrayList;
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29b82486
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Leszek Koltunski
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import java.util.Random;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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10b7e306
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Leszek Koltunski
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public class ObjectScrambler
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29b82486
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Leszek Koltunski
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{
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private final ScrambleState[] mStates;
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private final int mType;
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private final int mNumAxis;
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a57e6870
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Leszek Koltunski
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private final int[] mNumLayers;
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29b82486
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Leszek Koltunski
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// type=0, i.e. main
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private int mCurrState;
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private int mIndexExcluded;
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private int[][] mScrambleTable;
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private int[] mNumOccurences;
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// type=1, i.e. the exception: Square-1
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private static final int BASIC_ANGLE = 12;
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private static final int LAST_SL = 0; // automatic rotations: last rot was a 'slash' i.e. along ROT_AXIS[1]
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private static final int LAST_UP = 1; // last rot was along ROT_AXIS[0], upper layer and forelast was a slash
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private static final int LAST_LO = 2; // last rot was along ROT_AXIS[0], lower layer and forelast was a slash
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private static final int LAST_UL = 3; // two last rots were along ROT_AXIS[0] (so the next must be a slash)
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private int[][] mPermittedAngles;
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private int[] mCornerQuat;
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private int mPermittedUp, mPermittedDo;
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private int[][] mBadCornerQuats;
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private int mLastRot;
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private int[][] mQuatMult;
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0e311558
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Leszek Koltunski
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// type=2 , i.e. locally created bandaged 3x3s
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private static long mSignature;
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private ArrayList<ScrambleStateBandaged3x3> mBandagedStates;
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29b82486
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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10b7e306
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Leszek Koltunski
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public ObjectScrambler(int type, int numAxis, int[] numLayers, ScrambleState[] states)
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29b82486
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{
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mType = type;
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mNumAxis = numAxis;
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mNumLayers = numLayers;
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mStates = states;
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if( mType==1 )
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{
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mPermittedAngles = new int[2][BASIC_ANGLE];
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mCornerQuat = new int[8];
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mLastRot = LAST_SL;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void initializeScrambling()
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{
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if( mScrambleTable ==null )
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{
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a57e6870
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mScrambleTable = new int[mNumAxis][];
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29b82486
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}
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if( mNumOccurences ==null )
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{
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int max=0;
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for (ScrambleState mState : mStates)
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{
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int tmp = mState.getTotal(-1);
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if (max < tmp) max = tmp;
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}
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mNumOccurences = new int[max];
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}
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for(int i=0; i<mNumAxis; i++)
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a57e6870
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Leszek Koltunski
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{
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int len = mNumLayers[i];
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mScrambleTable[i] = new int[len];
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for(int j=0; j<len; j++) mScrambleTable[i][j] = 0;
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}
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29b82486
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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private void randomizeNewScramble0(int[][] scramble, Random rnd, int curr, int total)
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{
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if( curr==0 )
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{
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mCurrState = 0;
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mIndexExcluded =-1;
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initializeScrambling();
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}
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int[] info= mStates[mCurrState].getRandom(rnd, mIndexExcluded, mScrambleTable, mNumOccurences);
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scramble[curr][0] = info[0];
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scramble[curr][1] = info[1];
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scramble[curr][2] = info[2];
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mCurrState = info[3];
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mIndexExcluded = info[0];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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4a5157a1
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Leszek Koltunski
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// TYPE 1
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// QUATS[i]*QUATS[j] = QUATS[QUAT_MULT[i][j]]
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void initializeQuatMult()
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{
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mQuatMult = new int[][]
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{
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,},
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{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 12,},
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{ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 12, 13,},
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{ 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 15, 16, 17, 18, 19, 20, 21, 22, 23, 12, 13, 14,},
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{ 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 16, 17, 18, 19, 20, 21, 22, 23, 12, 13, 14, 15,},
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{ 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 17, 18, 19, 20, 21, 22, 23, 12, 13, 14, 15, 16,},
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{ 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 18, 19, 20, 21, 22, 23, 12, 13, 14, 15, 16, 17,},
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{ 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 6, 19, 20, 21, 22, 23, 12, 13, 14, 15, 16, 17, 18,},
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{ 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 6, 7, 20, 21, 22, 23, 12, 13, 14, 15, 16, 17, 18, 19,},
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{ 9, 10, 11, 0, 1, 2, 3, 4, 5, 6, 7, 8, 21, 22, 23, 12, 13, 14, 15, 16, 17, 18, 19, 20,},
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{ 10, 11, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 22, 23, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,},
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{ 11, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,},
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{ 12, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1,},
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{ 13, 12, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2,},
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{ 14, 13, 12, 23, 22, 21, 20, 19, 18, 17, 16, 15, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3,},
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{ 15, 14, 13, 12, 23, 22, 21, 20, 19, 18, 17, 16, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4,},
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{ 16, 15, 14, 13, 12, 23, 22, 21, 20, 19, 18, 17, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5,},
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{ 17, 16, 15, 14, 13, 12, 23, 22, 21, 20, 19, 18, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6,},
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{ 18, 17, 16, 15, 14, 13, 12, 23, 22, 21, 20, 19, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7,},
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{ 19, 18, 17, 16, 15, 14, 13, 12, 23, 22, 21, 20, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8,},
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{ 20, 19, 18, 17, 16, 15, 14, 13, 12, 23, 22, 21, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9,},
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{ 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 23, 22, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10,},
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{ 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 23, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11,},
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{ 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,}
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};
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// TYPE 1
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29b82486
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Leszek Koltunski
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private boolean cornerIsUp(int index)
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{
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return ((index<4) ^ (mCornerQuat[index]>=12));
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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4a5157a1
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Leszek Koltunski
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// TYPE 1
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29b82486
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Leszek Koltunski
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private boolean cornerIsLeft(int index)
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{
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int q = mCornerQuat[index];
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switch(index)
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{
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case 0:
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case 4: return ((q>=3 && q<= 7) || (q>=18 && q<=22));
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case 1:
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case 5: return ((q>=6 && q<=10) || (q>=15 && q<=19));
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case 2:
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case 6: return ((q==0 || q==1 || (q>=9 && q<=11)) || (q>=12 && q<=16));
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case 3:
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case 7: return ((q>=0 && q<=4) || (q==12 || q==13 || (q>=21 && q<=23)));
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}
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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4a5157a1
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Leszek Koltunski
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// TYPE 1
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29b82486
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Leszek Koltunski
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private boolean quatIsBad(int quatIndex, int corner)
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{
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if( mBadCornerQuats ==null )
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{
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// quat indices that make corner cubits bandage the puzzle.
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mBadCornerQuats = new int[][] { { 2, 8,17,23}, { 5,11,14,20} };
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}
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int index = (corner%2);
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return ( quatIndex== mBadCornerQuats[index][0] ||
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quatIndex== mBadCornerQuats[index][1] ||
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quatIndex== mBadCornerQuats[index][2] ||
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quatIndex== mBadCornerQuats[index][3] );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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4a5157a1
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Leszek Koltunski
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// TYPE 1
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214 |
29b82486
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Leszek Koltunski
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private boolean isPermittedDo(int angle)
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{
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if( mQuatMult==null ) initializeQuatMult();
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for(int corner=0; corner<8; corner++)
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{
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if( !cornerIsUp(corner) )
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{
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int currQuat = mCornerQuat[corner];
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int finalQuat= mQuatMult[angle][currQuat];
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if( quatIsBad(finalQuat,corner) ) return false;
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}
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}
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return true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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4a5157a1
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Leszek Koltunski
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// TYPE 1
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29b82486
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Leszek Koltunski
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private boolean isPermittedUp(int angle)
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{
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if( mQuatMult==null ) initializeQuatMult();
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for(int corner=0; corner<8; corner++)
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{
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if( cornerIsUp(corner) )
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{
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int currQuat = mCornerQuat[corner];
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int finalQuat= mQuatMult[angle][currQuat];
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if( quatIsBad(finalQuat,corner) ) return false;
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}
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}
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return true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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253 |
4a5157a1
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Leszek Koltunski
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// TYPE 1
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254 |
29b82486
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Leszek Koltunski
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private void computePermittedAngles()
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{
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mPermittedDo = 0;
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for(int angle=0; angle<BASIC_ANGLE; angle++)
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{
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if( isPermittedDo(angle ) ) mPermittedAngles[0][mPermittedDo++] = angle;
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}
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mPermittedUp = 0;
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for(int angle=0; angle<BASIC_ANGLE; angle++)
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{
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if( isPermittedUp(angle ) ) mPermittedAngles[1][mPermittedUp++] = angle;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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273 |
4a5157a1
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Leszek Koltunski
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// TYPE 1
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274 |
29b82486
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Leszek Koltunski
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private int getNextAngle(Random rnd, int layer)
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{
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int num = layer==0 ? mPermittedDo:mPermittedUp;
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int index = rnd.nextInt(num);
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int angle = mPermittedAngles[layer][index];
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return angle<BASIC_ANGLE/2 ? -angle : BASIC_ANGLE-angle;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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4a5157a1
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Leszek Koltunski
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// TYPE 1
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285 |
29b82486
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Leszek Koltunski
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private int getNextAngleNotZero(Random rnd, int layer)
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{
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int num = layer==0 ? mPermittedDo:mPermittedUp;
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int index = rnd.nextInt(num-1);
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int angle = mPermittedAngles[layer][index+1];
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return angle<BASIC_ANGLE/2 ? -angle : BASIC_ANGLE-angle;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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295 |
4a5157a1
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Leszek Koltunski
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// TYPE 1
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296 |
29b82486
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Leszek Koltunski
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297 |
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private int makeQuat(int axis,int index)
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298 |
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{
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if( axis==1 ) return 13;
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if( index<0 ) index+=12;
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return index;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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305 |
4a5157a1
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Leszek Koltunski
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// TYPE 1
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306 |
29b82486
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Leszek Koltunski
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|
|
private boolean cornerBelongs(int index, int axis, int layer)
|
308 |
|
|
{
|
309 |
|
|
if( axis==0 )
|
310 |
|
|
{
|
311 |
|
|
boolean up = cornerIsUp(index);
|
312 |
|
|
return ((up && layer==2) || (!up && layer==0));
|
313 |
|
|
}
|
314 |
|
|
else
|
315 |
|
|
{
|
316 |
|
|
boolean le = cornerIsLeft(index);
|
317 |
|
|
return ((le && layer==0) || (!le && layer==1));
|
318 |
|
|
}
|
319 |
|
|
}
|
320 |
|
|
|
321 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
322 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
323 |
29b82486
|
Leszek Koltunski
|
|
324 |
|
|
private void updateCornerQuats(int[] rotInfo)
|
325 |
|
|
{
|
326 |
|
|
if( mQuatMult==null ) initializeQuatMult();
|
327 |
|
|
|
328 |
|
|
int axis = rotInfo[0];
|
329 |
|
|
int layer= rotInfo[1];
|
330 |
|
|
int index=-rotInfo[2];
|
331 |
|
|
|
332 |
|
|
int quat = makeQuat(axis,index);
|
333 |
|
|
|
334 |
|
|
for(int corner=0; corner<8; corner++)
|
335 |
|
|
{
|
336 |
|
|
if( cornerBelongs(corner,axis,layer) )
|
337 |
|
|
{
|
338 |
|
|
int curr = mCornerQuat[corner];
|
339 |
|
|
mCornerQuat[corner] = mQuatMult[quat][curr];
|
340 |
|
|
}
|
341 |
|
|
}
|
342 |
|
|
}
|
343 |
|
|
|
344 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
345 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
346 |
29b82486
|
Leszek Koltunski
|
|
347 |
|
|
private void randomizeNewScramble1(int[][] scramble, Random rnd, int curr, int total)
|
348 |
|
|
{
|
349 |
|
|
int layer, nextAngle;
|
350 |
|
|
|
351 |
|
|
if( curr==0 )
|
352 |
|
|
{
|
353 |
|
|
for(int corner=0; corner<8; corner++) mCornerQuat[corner] = 0;
|
354 |
|
|
mLastRot = rnd.nextInt(4);
|
355 |
|
|
computePermittedAngles();
|
356 |
|
|
}
|
357 |
|
|
|
358 |
|
|
switch(mLastRot)
|
359 |
|
|
{
|
360 |
|
|
case LAST_SL: layer = rnd.nextInt(2);
|
361 |
|
|
nextAngle = getNextAngle(rnd,layer);
|
362 |
|
|
|
363 |
|
|
if( nextAngle==0 )
|
364 |
|
|
{
|
365 |
|
|
layer = 1-layer;
|
366 |
|
|
nextAngle = getNextAngleNotZero(rnd,layer);
|
367 |
|
|
}
|
368 |
|
|
|
369 |
|
|
scramble[curr][0] = 0;
|
370 |
|
|
scramble[curr][1] = 2*layer;
|
371 |
|
|
scramble[curr][2] = nextAngle;
|
372 |
|
|
mLastRot = layer==0 ? LAST_LO : LAST_UP;
|
373 |
|
|
updateCornerQuats(scramble[curr]);
|
374 |
|
|
break;
|
375 |
|
|
case LAST_LO:
|
376 |
|
|
case LAST_UP: layer = mLastRot==LAST_LO ? 1:0;
|
377 |
|
|
nextAngle = getNextAngle(rnd,layer);
|
378 |
|
|
|
379 |
|
|
if( nextAngle!=0 )
|
380 |
|
|
{
|
381 |
|
|
scramble[curr][0] = 0;
|
382 |
|
|
scramble[curr][1] = 2*layer;
|
383 |
|
|
scramble[curr][2] = nextAngle;
|
384 |
|
|
updateCornerQuats(scramble[curr]);
|
385 |
|
|
mLastRot = LAST_UL;
|
386 |
|
|
}
|
387 |
|
|
else
|
388 |
|
|
{
|
389 |
|
|
scramble[curr][0] = 1;
|
390 |
|
|
scramble[curr][1] = rnd.nextInt(2);
|
391 |
|
|
scramble[curr][2] = 1;
|
392 |
|
|
mLastRot = LAST_SL;
|
393 |
|
|
updateCornerQuats(scramble[curr]);
|
394 |
|
|
computePermittedAngles();
|
395 |
|
|
}
|
396 |
|
|
|
397 |
|
|
break;
|
398 |
|
|
case LAST_UL: scramble[curr][0] = 1;
|
399 |
|
|
scramble[curr][1] = rnd.nextInt(2);
|
400 |
|
|
scramble[curr][2] = 1;
|
401 |
|
|
mLastRot = LAST_SL;
|
402 |
|
|
updateCornerQuats(scramble[curr]);
|
403 |
|
|
computePermittedAngles();
|
404 |
|
|
break;
|
405 |
|
|
}
|
406 |
|
|
}
|
407 |
|
|
|
408 |
0e311558
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
409 |
|
|
// TYPE 2
|
410 |
|
|
|
411 |
|
|
private void buildMoveForced(int[][] scramble, Random rnd, int curr)
|
412 |
|
|
{
|
413 |
|
|
ScrambleStateBandaged3x3 currState = mBandagedStates.get(curr);
|
414 |
|
|
int indexExcluded = curr>0 ? scramble[curr-1][0] : ScrambleStateBandaged3x3.AXIS_NONE;
|
415 |
|
|
int numMoves = currState.numMoves(indexExcluded);
|
416 |
|
|
|
417 |
|
|
if( numMoves==0 )
|
418 |
|
|
{
|
419 |
|
|
indexExcluded = ScrambleStateBandaged3x3.AXIS_NONE;
|
420 |
|
|
numMoves = currState.numMoves(indexExcluded);
|
421 |
|
|
}
|
422 |
|
|
|
423 |
c60d98c4
|
Leszek Koltunski
|
if( numMoves==0 )
|
424 |
|
|
{
|
425 |
|
|
scramble[curr][0] = 0;
|
426 |
|
|
scramble[curr][1] = 0;
|
427 |
|
|
scramble[curr][2] = 0;
|
428 |
|
|
}
|
429 |
|
|
else
|
430 |
|
|
{
|
431 |
|
|
int randMove = rnd.nextInt(numMoves);
|
432 |
|
|
int moveIndex = currState.getNthMove(randMove,indexExcluded);
|
433 |
|
|
mSignature = currState.getMove(moveIndex);
|
434 |
0e311558
|
Leszek Koltunski
|
|
435 |
c60d98c4
|
Leszek Koltunski
|
scramble[curr][0] = moveIndex/9;
|
436 |
|
|
scramble[curr][1] = (moveIndex%9)/3;
|
437 |
0e311558
|
Leszek Koltunski
|
|
438 |
c60d98c4
|
Leszek Koltunski
|
switch(moveIndex%3)
|
439 |
|
|
{
|
440 |
|
|
case 0: scramble[curr][2] = -1; break;
|
441 |
|
|
case 1: scramble[curr][2] = 2; break;
|
442 |
|
|
case 2: scramble[curr][2] = 1; break;
|
443 |
|
|
}
|
444 |
0e311558
|
Leszek Koltunski
|
}
|
445 |
|
|
|
446 |
|
|
ScrambleStateBandaged3x3 nextState = new ScrambleStateBandaged3x3(mSignature);
|
447 |
|
|
mBandagedStates.add(nextState);
|
448 |
|
|
}
|
449 |
|
|
|
450 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
451 |
|
|
// TYPE 2
|
452 |
|
|
|
453 |
|
|
private boolean buildMove(int[][] scramble, Random rnd, int curr)
|
454 |
|
|
{
|
455 |
|
|
ScrambleStateBandaged3x3 currState = mBandagedStates.get(curr);
|
456 |
|
|
int indexExcluded = curr>0 ? scramble[curr-1][0] : ScrambleStateBandaged3x3.AXIS_NONE;
|
457 |
|
|
int numMoves = currState.numMoves(indexExcluded);
|
458 |
|
|
|
459 |
|
|
while( numMoves==0 )
|
460 |
|
|
{
|
461 |
|
|
if( curr>0 )
|
462 |
|
|
{
|
463 |
|
|
mBandagedStates.remove(curr);
|
464 |
|
|
ScrambleStateBandaged3x3 prevState = mBandagedStates.get(curr-1);
|
465 |
|
|
long signature = currState.getID();
|
466 |
|
|
prevState.removeMoves(signature);
|
467 |
|
|
boolean result = buildMove(scramble,rnd,curr-1);
|
468 |
|
|
if( !result ) return false;
|
469 |
|
|
currState = mBandagedStates.get(curr);
|
470 |
|
|
indexExcluded = scramble[curr-1][0];
|
471 |
|
|
numMoves = currState.numMoves(indexExcluded);
|
472 |
|
|
}
|
473 |
|
|
else
|
474 |
|
|
{
|
475 |
|
|
return false;
|
476 |
|
|
}
|
477 |
|
|
}
|
478 |
|
|
|
479 |
|
|
int randMove = rnd.nextInt(numMoves);
|
480 |
|
|
int moveIndex = currState.getNthMove(randMove,indexExcluded);
|
481 |
|
|
mSignature = currState.getMove(moveIndex);
|
482 |
|
|
|
483 |
|
|
scramble[curr][0] = moveIndex/9;
|
484 |
|
|
scramble[curr][1] = (moveIndex%9)/3;
|
485 |
|
|
|
486 |
|
|
switch(moveIndex%3)
|
487 |
|
|
{
|
488 |
|
|
case 0: scramble[curr][2] = -1; break;
|
489 |
|
|
case 1: scramble[curr][2] = 2; break;
|
490 |
|
|
case 2: scramble[curr][2] = 1; break;
|
491 |
|
|
}
|
492 |
|
|
|
493 |
|
|
ScrambleStateBandaged3x3 nextState = new ScrambleStateBandaged3x3(mSignature);
|
494 |
|
|
mBandagedStates.add(nextState);
|
495 |
|
|
|
496 |
|
|
return true;
|
497 |
|
|
}
|
498 |
|
|
|
499 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
500 |
|
|
// TYPE 2
|
501 |
|
|
|
502 |
|
|
private void initializeType2Scrambling(int[][] scramble, Random rnd, int total)
|
503 |
|
|
{
|
504 |
|
|
if( mBandagedStates==null ) mBandagedStates = new ArrayList<>();
|
505 |
|
|
else mBandagedStates.clear();
|
506 |
|
|
|
507 |
|
|
ScrambleStateBandaged3x3 state = new ScrambleStateBandaged3x3(mSignature);
|
508 |
|
|
mBandagedStates.add(state);
|
509 |
|
|
boolean success = true;
|
510 |
|
|
|
511 |
|
|
for(int curr=0; curr<total; curr++)
|
512 |
|
|
{
|
513 |
|
|
boolean result = buildMove(scramble,rnd,curr);
|
514 |
|
|
if( !result )
|
515 |
|
|
{
|
516 |
|
|
success = false;
|
517 |
|
|
break;
|
518 |
|
|
}
|
519 |
|
|
}
|
520 |
|
|
|
521 |
|
|
if( !success )
|
522 |
|
|
{
|
523 |
|
|
mBandagedStates.clear();
|
524 |
|
|
state = new ScrambleStateBandaged3x3(mSignature);
|
525 |
|
|
mBandagedStates.add(state);
|
526 |
|
|
|
527 |
|
|
for(int curr=0; curr<total; curr++)
|
528 |
|
|
{
|
529 |
|
|
buildMoveForced(scramble,rnd,curr);
|
530 |
|
|
}
|
531 |
|
|
}
|
532 |
|
|
}
|
533 |
|
|
|
534 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
535 |
|
|
// TYPE 2
|
536 |
|
|
|
537 |
|
|
public static void setSignature(long signature)
|
538 |
|
|
{
|
539 |
|
|
mSignature = signature;
|
540 |
|
|
}
|
541 |
|
|
|
542 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
543 |
|
|
// TYPE 2 (locally-created bandaged 3x3s)
|
544 |
|
|
|
545 |
|
|
private void randomizeNewScramble2(int[][] scramble, Random rnd, int curr, int total)
|
546 |
|
|
{
|
547 |
|
|
if( curr==0 ) initializeType2Scrambling(scramble,rnd,total);
|
548 |
|
|
}
|
549 |
|
|
|
550 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
551 |
|
|
// PUBLIC API
|
552 |
|
|
|
553 |
|
|
public void randomizeNewScramble(int[][] scramble, Random rnd, int curr, int total)
|
554 |
|
|
{
|
555 |
|
|
if( mType==0 ) randomizeNewScramble0(scramble, rnd, curr, total);
|
556 |
|
|
if( mType==1 ) randomizeNewScramble1(scramble, rnd, curr, total);
|
557 |
0e311558
|
Leszek Koltunski
|
if( mType==2 ) randomizeNewScramble2(scramble, rnd, curr, total);
|
558 |
29b82486
|
Leszek Koltunski
|
}
|
559 |
|
|
}
|