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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2022 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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package org.distorted.objectlib.scrambling;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Info about a scramble state of any bandaged cuboid.
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import org.distorted.objectlib.helpers.ObjectSignature;
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public class ScrambleStateBandagedCuboid
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{
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public static int MAX_SUPPORTED_SIZE = 5;
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public static final int AXIS_NONE = -1;
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public static final int AXIS_X = 0;
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public static final int AXIS_Y = 1;
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public static final int AXIS_Z = 2;
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private final ObjectSignature[] mMoves;
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private final ObjectSignature mSignature;
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private final int[] mLayer, mTurns, mSize;
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private final int mNumMoves;
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private final int mStartX, mStartY, mStartZ;
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private final boolean[][] mIsUnblocked;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public ScrambleStateBandagedCuboid(int x, int y, int z, ObjectSignature signature)
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{
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mLayer = new int[3];
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mTurns = new int[3];
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mSize = new int[3];
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mIsUnblocked = new boolean[3][MAX_SUPPORTED_SIZE];
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mLayer[0] = x;
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mLayer[1] = y;
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mLayer[2] = z;
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mTurns[0] = mLayer[1]==mLayer[2] ? 3:1;
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mTurns[1] = mLayer[0]==mLayer[2] ? 3:1;
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mTurns[2] = mLayer[0]==mLayer[1] ? 3:1;
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mSize[0] = (mLayer[0]>1 ? mLayer[0] : 0);
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mSize[1] = (mLayer[1]>1 ? mLayer[1] : 0);
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mSize[2] = (mLayer[2]>1 ? mLayer[2] : 0);
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int xMoves = mTurns[0]*mSize[0];
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int yMoves = mTurns[1]*mSize[1];
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int zMoves = mTurns[2]*mSize[2];
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mNumMoves = xMoves + yMoves + zMoves;
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mStartX = 0;
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mStartY = xMoves;
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mStartZ = xMoves + yMoves;
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mSignature = signature;
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mMoves = createMoves();
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android.util.Log.d("D", "sig: "+mSignature.getString() );
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printMoves();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public ObjectSignature getSignature()
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{
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return mSignature;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public ObjectSignature getMove(int index)
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{
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return (index>=0 && index<mNumMoves) ? mMoves[index] : null;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void removeMoves(ObjectSignature signature)
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{
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for(int m=0; m<mNumMoves; m++)
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if( mMoves[m]!=null && signature.isEqual(mMoves[m]) ) mMoves[m]=null;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int numAxis()
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{
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int num = 0;
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for(int x=mStartX; x<mStartY ; x++) if( mMoves[x]!=null ) { num++; break; }
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for(int y=mStartY; y<mStartZ ; y++) if( mMoves[y]!=null ) { num++; break; }
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for(int z=mStartZ; z<mNumMoves; z++) if( mMoves[z]!=null ) { num++; break; }
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return num;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int numXMoves()
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{
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int num=0;
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for(int x=mStartX; x<mStartY; x++) if( mMoves[x]!=null ) num++;
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return num;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int numYMoves()
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{
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int num=0;
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for(int y=mStartY; y<mStartZ; y++) if( mMoves[y]!=null ) num++;
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return num;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int numZMoves()
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{
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int num=0;
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for(int z=mStartZ; z<mNumMoves; z++) if( mMoves[z]!=null ) num++;
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return num;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int numMoves()
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{
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return numXMoves()+numYMoves()+numZMoves();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int numMoves(int excludedAxis)
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{
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switch(excludedAxis)
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{
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case AXIS_X: return numYMoves()+numZMoves();
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case AXIS_Y: return numXMoves()+numZMoves();
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case AXIS_Z: return numXMoves()+numYMoves();
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}
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return numXMoves()+numYMoves()+numZMoves();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int getNthMove(int n, int excludedAxis)
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{
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int num = 0;
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if( excludedAxis!=0 )
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{
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for(int m=mStartX; m<mStartY; m++)
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if( mMoves[m]!=null )
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{
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if( num==n ) return m;
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num++;
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}
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}
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if( excludedAxis!=1 )
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{
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for(int m=mStartY; m<mStartZ; m++)
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if( mMoves[m]!=null )
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{
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if( num==n ) return m;
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num++;
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}
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}
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if( excludedAxis!=2 )
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{
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for(int m=mStartZ; m<mNumMoves; m++)
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if( mMoves[m]!=null )
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{
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if( num==n ) return m;
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num++;
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}
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}
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return -1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private ObjectSignature[] createMoves()
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{
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ObjectSignature[] ret = new ObjectSignature[mNumMoves];
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int index = 0;
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for(int axis=0; axis<3; axis++)
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for(int layer=0; layer<mLayer[axis]; layer++)
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{
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mIsUnblocked[axis][layer] = mSignature.isUnblockedFromLeft(axis,layer);
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android.util.Log.e("D", "unblocked from left: axis="+axis+" layer="+layer+" val="+mIsUnblocked[axis][layer]);
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}
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for(int axis=0; axis<3; axis++)
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if( mLayer[axis]>1 )
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for(int turn=1; turn<=mTurns[axis]; turn++)
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{
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boolean allLayersLocked = true;
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for(int layer=0; layer<mLayer[axis]; layer++)
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{
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if( mIsUnblocked[axis][layer] )
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{
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if( layer>0 ) allLayersLocked = false;
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ret[index] = mSignature.turn(axis,layer,turn);
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android.util.Log.d("D", "turning "+mSignature.getString());
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android.util.Log.d("D", "axis="+axis+" layer="+layer+" turn="+turn);
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android.util.Log.d("D", "result "+ret[index].getString());
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}
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else
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{
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ret[index] = ret[index-1].turn(axis,layer,turn);
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ret[index-1] = null;
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}
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index++;
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}
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if( allLayersLocked ) ret[index-1] = null;
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}
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void fillOutScramble(int[] scramble, int moveIndex)
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{
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for(int axis=0; axis<3; axis++)
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{
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int size = mTurns[axis]*mSize[axis];
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if( moveIndex<size )
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{
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scramble[0] = axis;
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scramble[1] = moveIndex % mSize[axis];
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if( mTurns[axis]==3 )
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{
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switch(moveIndex/mSize[axis])
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{
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case 0: scramble[2] =-1; break;
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case 1: scramble[2] = 2; break;
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case 2: scramble[2] = 1; break;
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}
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}
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else scramble[2] = 1;
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return;
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}
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moveIndex -= size;
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}
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android.util.Log.e("D", "ERROR in fillOutScramble moveIndex="+moveIndex);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void printMoves()
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{
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for(int i=0; i<mNumMoves; i++)
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{
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android.util.Log.e("D", "move "+i+" : "+(mMoves[i]!=null ? " "+mMoves[i].getString() : " NULL") );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private static String printBits(long id)
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{
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String ret = "[";
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boolean first = true;
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for(int i=0; i<64; i++)
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{
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if( ( (id>>i)&0x1)==1 )
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{
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String num = (i<10 ? " "+i : ""+i);
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if( first ) { ret += num; first=false; }
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else ret += (","+num);
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}
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}
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return ret + "]";
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}
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}
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