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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2023 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 proprietary software licensed under an EULA which you should have received //
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// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.solvers;
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import android.content.res.Resources;
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import org.distorted.main.R;
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import org.distorted.objectlib.helpers.OperatingSystemInterface;
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import org.distorted.objectlib.main.ObjectSignatures;
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import org.distorted.objectlib.main.TwistyObject;
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import org.distorted.objectlib.tablebases.ImplementedTablebasesList;
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53a38b07
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Leszek Koltunski
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import org.distorted.objectlib.tablebases.TBCuboid323;
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673c1a11
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Leszek Koltunski
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import org.distorted.objectlib.tablebases.TablebaseHelpers;
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d0852c9c
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Leszek Koltunski
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import org.distorted.objectlib.tablebases.TablebasesAbstract;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class SolverCuboid323 extends SolverTablebase
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{
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private static final int ERROR_CORNER_MISSING = -1;
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private static final int ERROR_EDGE_MISSING = -2;
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private static final int ERROR_CORNERS_CANNOT = -3;
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private static final int ERROR_EDGE_TWISTED = -4;
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private static final int ERROR_CORNER_TWISTED = -5;
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TablebasesAbstract mSolver;
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private final int[] mFaceColors;
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private int mErrorColor1, mErrorColor2, mErrorColor3;
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private boolean mUpper;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// true or false, depending on if the 'half-fixed' front edge is in its place or not.
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// if the 'half-fixed' edge is the upped front one (i.e. mUpper==true) than it can be in its
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// place or not; if mUpper==false it always must be in its place.
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private boolean isFrontEdgeInItsPlace(int[][] edges)
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{
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return (!mUpper || edges[3][1]==mFaceColors[2]);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public SolverCuboid323(OperatingSystemInterface os, Resources res, TwistyObject object)
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{
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super(os,res,object);
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mFaceColors = new int[6];
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}
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////////////////////////////////////////////////////////////////////////////////////////
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private int findCorner(int[][] corners, int c1, int c2)
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{
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for(int i=0; i<8; i++)
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{
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int[] c = corners[i];
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if( c[0]==c1 && c[1]==c2 ) return c[2];
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if( c[1]==c1 && c[2]==c2 ) return c[0];
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if( c[2]==c1 && c[0]==c2 ) return c[1];
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}
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return ERROR_CORNERS_CANNOT;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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private int missingColor()
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{
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boolean[] present = new boolean[6];
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for(int i=0; i<5; i++) present[mFaceColors[i]] = true;
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int indexFalse = -1;
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for(int i=0; i<6; i++)
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if( !present[i] )
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{
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if( indexFalse<0 ) indexFalse=i;
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else return ERROR_CORNERS_CANNOT;
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}
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return indexFalse;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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private int edgePresent(int[][] edges, int f0, int f1)
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{
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int c0 = mFaceColors[f0];
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int c1 = mFaceColors[f1];
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for(int i=0; i<8; i++ )
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{
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int[] edge = edges[i];
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if( edge[0]==c0 && edge[1]==c1 ) return i;
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if( edge[0]==c1 && edge[1]==c0 )
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{
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mErrorColor1 = c0;
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mErrorColor2 = c1;
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return ERROR_EDGE_TWISTED;
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}
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}
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mErrorColor1 = c0;
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mErrorColor2 = c1;
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return ERROR_EDGE_MISSING;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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private int cornerPresent(int[][] corners, int f0, int f1, int f2)
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{
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int c0 = mFaceColors[f0];
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int c1 = mFaceColors[f1];
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int c2 = mFaceColors[f2];
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for(int i=0; i<8; i++)
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{
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int[] corner = corners[i];
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if( corner[0]==c0 && corner[1]==c1 && corner[2]==c2 ) return i;
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if( (corner[0]==c1 && corner[1]==c2 && corner[2]==c0 ) ||
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(corner[0]==c2 && corner[1]==c0 && corner[2]==c1 ) )
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{
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mErrorColor1 = c0;
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mErrorColor2 = c1;
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mErrorColor3 = c2;
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return ERROR_CORNER_TWISTED;
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}
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}
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mErrorColor1 = c0;
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mErrorColor2 = c1;
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mErrorColor3 = c2;
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return ERROR_CORNER_MISSING;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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private int retEdgePermutation(int[] output, int[][] edges)
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{
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int[][] e = { {5,3}, {4,3}, {5,2}, {4,2}, {1,3}, {1,2}, {0,3}, {0,2} };
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for(int i=0; i<8; i++)
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{
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int[] ee = e[i];
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output[i] = edgePresent(edges,ee[0],ee[1]);
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if( output[i]<0 ) return output[i];
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}
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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private int retCornerPermutation(int[] output, int[][] corners)
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{
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int[][] c = { {5,1,3}, {1,4,3}, {1,5,2}, {4,1,2}, {0,5,3}, {4,0,3}, {5,0,2}, {0,4,2} };
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for(int i=0; i<8; i++)
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{
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int[] cc = c[i];
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output[i] = cornerPresent(corners,cc[0],cc[1],cc[2]);
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if( output[i]<0 ) return output[i];
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}
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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private int computeFaceColors(int[][] corners, int[][] edges, int[] centers)
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{
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mFaceColors[2] = centers[0];
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mFaceColors[3] = centers[1];
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if( edges[1][1]==mFaceColors[2] )
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{
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mUpper = true;
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mFaceColors[4] = edges[1][0];
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}
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else if( edges[3][1]==mFaceColors[2] )
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{
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mUpper = true;
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mFaceColors[4] = edges[3][0];
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}
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else
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{
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mUpper = false;
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mFaceColors[4] = edges[3][0];
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}
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mFaceColors[0] = findCorner(corners,mFaceColors[4],mFaceColors[2]);
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if( mFaceColors[0]<0 ) return mFaceColors[0];
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mFaceColors[1] = findCorner(corners,mFaceColors[2],mFaceColors[4]);
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if( mFaceColors[1]<0 ) return mFaceColors[1];
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mFaceColors[5] = missingColor();
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if( mFaceColors[5]<0 ) return mFaceColors[5];
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void getCorners(TwistyObject object, int[][] corners)
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{
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corners[0][0] = object.getCubitFaceStickerIndex(0,5);
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corners[0][1] = object.getCubitFaceStickerIndex(0,1);
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corners[0][2] = object.getCubitFaceStickerIndex(0,3);
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corners[1][0] = object.getCubitFaceStickerIndex(1,3);
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corners[1][1] = object.getCubitFaceStickerIndex(1,5);
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corners[1][2] = object.getCubitFaceStickerIndex(1,1);
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corners[2][0] = object.getCubitFaceStickerIndex(2,5);
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corners[2][1] = object.getCubitFaceStickerIndex(2,1);
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corners[2][2] = object.getCubitFaceStickerIndex(2,3);
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corners[3][0] = object.getCubitFaceStickerIndex(3,5);
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corners[3][1] = object.getCubitFaceStickerIndex(3,1);
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corners[3][2] = object.getCubitFaceStickerIndex(3,3);
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corners[4][0] = object.getCubitFaceStickerIndex(4,1);
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corners[4][1] = object.getCubitFaceStickerIndex(4,3);
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corners[4][2] = object.getCubitFaceStickerIndex(4,5);
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corners[5][0] = object.getCubitFaceStickerIndex(5,5);
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corners[5][1] = object.getCubitFaceStickerIndex(5,1);
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corners[5][2] = object.getCubitFaceStickerIndex(5,3);
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corners[6][0] = object.getCubitFaceStickerIndex(6,5);
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corners[6][1] = object.getCubitFaceStickerIndex(6,1);
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corners[6][2] = object.getCubitFaceStickerIndex(6,3);
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Leszek Koltunski
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corners[7][0] = object.getCubitFaceStickerIndex(7,1);
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8c8a9fb9
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Leszek Koltunski
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corners[7][1] = object.getCubitFaceStickerIndex(7,3);
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corners[7][2] = object.getCubitFaceStickerIndex(7,5);
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d0852c9c
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void getEdges(TwistyObject object, int[][] edges)
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{
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edges[0][0] = object.getCubitFaceStickerIndex(8,5);
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edges[0][1] = object.getCubitFaceStickerIndex(8,3);
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edges[1][0] = object.getCubitFaceStickerIndex(9,3);
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edges[1][1] = object.getCubitFaceStickerIndex(9,5);
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edges[2][0] = object.getCubitFaceStickerIndex(10,3);
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edges[2][1] = object.getCubitFaceStickerIndex(10,5);
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edges[3][0] = object.getCubitFaceStickerIndex(11,5);
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edges[3][1] = object.getCubitFaceStickerIndex(11,3);
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edges[4][0] = object.getCubitFaceStickerIndex(12,3);
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edges[4][1] = object.getCubitFaceStickerIndex(12,5);
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edges[5][0] = object.getCubitFaceStickerIndex(13,5);
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edges[5][1] = object.getCubitFaceStickerIndex(13,3);
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edges[6][0] = object.getCubitFaceStickerIndex(14,3);
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edges[6][1] = object.getCubitFaceStickerIndex(14,5);
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edges[7][0] = object.getCubitFaceStickerIndex(15,5);
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edges[7][1] = object.getCubitFaceStickerIndex(15,3);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void getCenters(TwistyObject object, int[] centers)
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{
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centers[0] = object.getCubitFaceStickerIndex(16,4);
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centers[1] = object.getCubitFaceStickerIndex(17,4);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int tablebaseIndex(TwistyObject object)
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{
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int[][] corners= new int[8][3];
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|
|
int[][] edges = new int[8][2];
|
285 |
|
|
int[] centers = new int[2];
|
286 |
|
|
|
287 |
|
|
getCorners(object,corners);
|
288 |
|
|
getEdges(object,edges);
|
289 |
|
|
getCenters(object,centers);
|
290 |
|
|
|
291 |
b6f55b25
|
Leszek Koltunski
|
//for(int i=0; i<8; i++) android.util.Log.e("D", "corner: "+i+" : "+corners[i][0]+" "+corners[i][1]+" "+corners[i][2]);
|
292 |
|
|
//for(int i=0; i<8; i++) android.util.Log.e("D", "edge: "+i+" : "+edges[i][0]+" "+edges[i][1]);
|
293 |
8c8a9fb9
|
Leszek Koltunski
|
|
294 |
d0852c9c
|
Leszek Koltunski
|
int result0 = computeFaceColors(corners, edges, centers);
|
295 |
|
|
if( result0<0 ) return result0;
|
296 |
8c8a9fb9
|
Leszek Koltunski
|
|
297 |
673c1a11
|
Leszek Koltunski
|
int[] corner_perm = new int[8];
|
298 |
|
|
int result1 = retCornerPermutation(corner_perm,corners);
|
299 |
8c8a9fb9
|
Leszek Koltunski
|
if( result1<0 ) return result1;
|
300 |
|
|
|
301 |
b6f55b25
|
Leszek Koltunski
|
//android.util.Log.e("D", "upper: "+mUpper);
|
302 |
|
|
//for(int i=0; i<6; i++) android.util.Log.e("D", "face color: "+mFaceColors[i]);
|
303 |
d0852c9c
|
Leszek Koltunski
|
|
304 |
|
|
int[] edge_perm = new int[8];
|
305 |
|
|
int result2 = retEdgePermutation(edge_perm,edges);
|
306 |
|
|
if( result2<0 ) return result2;
|
307 |
|
|
|
308 |
b6f55b25
|
Leszek Koltunski
|
// TablebaseHelpers.displayTable(corner_perm, "CORNER PERM");
|
309 |
|
|
// TablebaseHelpers.displayTable(edge_perm, "EDGE PERM");
|
310 |
673c1a11
|
Leszek Koltunski
|
|
311 |
53a38b07
|
Leszek Koltunski
|
int[] edge_perm2 = TBCuboid323.edgePermTo7(edge_perm,mUpper); // edge1 (lower) or edge3 (upper) is fixed!
|
312 |
d0852c9c
|
Leszek Koltunski
|
|
313 |
|
|
int corner_perm_num = TablebaseHelpers.computePermutationNum(corner_perm);
|
314 |
|
|
int edge_perm_num = TablebaseHelpers.computePermutationNum(edge_perm2);
|
315 |
673c1a11
|
Leszek Koltunski
|
boolean inPlace = isFrontEdgeInItsPlace(edges);
|
316 |
d0852c9c
|
Leszek Koltunski
|
|
317 |
b6f55b25
|
Leszek Koltunski
|
//android.util.Log.e("D", "corner_perm_num: "+corner_perm_num+" edge_perm_num: "+edge_perm_num+" inPlace: "+inPlace);
|
318 |
d0852c9c
|
Leszek Koltunski
|
|
319 |
5738edae
|
Leszek Koltunski
|
TBCuboid323.setUpper(mUpper, mUpper^inPlace);
|
320 |
53a38b07
|
Leszek Koltunski
|
|
321 |
673c1a11
|
Leszek Koltunski
|
return corner_perm_num + 20160*( (inPlace?0:1) + 2*edge_perm_num);
|
322 |
d0852c9c
|
Leszek Koltunski
|
}
|
323 |
|
|
|
324 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
325 |
|
|
|
326 |
8c8a9fb9
|
Leszek Koltunski
|
private int getColorIndex4(int color)
|
327 |
d0852c9c
|
Leszek Koltunski
|
{
|
328 |
8c8a9fb9
|
Leszek Koltunski
|
switch(color)
|
329 |
d0852c9c
|
Leszek Koltunski
|
{
|
330 |
|
|
case 0: return R.string.color_yellow4;
|
331 |
|
|
case 1: return R.string.color_white4;
|
332 |
|
|
case 2: return R.string.color_blue4;
|
333 |
|
|
case 3: return R.string.color_green4;
|
334 |
|
|
case 4: return R.string.color_red4;
|
335 |
|
|
case 5: return R.string.color_orange4;
|
336 |
|
|
}
|
337 |
|
|
|
338 |
|
|
return -1;
|
339 |
|
|
}
|
340 |
|
|
|
341 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
342 |
|
|
|
343 |
8c8a9fb9
|
Leszek Koltunski
|
private int getColorIndex3(int color)
|
344 |
d0852c9c
|
Leszek Koltunski
|
{
|
345 |
8c8a9fb9
|
Leszek Koltunski
|
switch(color)
|
346 |
d0852c9c
|
Leszek Koltunski
|
{
|
347 |
|
|
case 0: return R.string.color_yellow3;
|
348 |
|
|
case 1: return R.string.color_white3;
|
349 |
|
|
case 2: return R.string.color_blue3;
|
350 |
|
|
case 3: return R.string.color_green3;
|
351 |
|
|
case 4: return R.string.color_red3;
|
352 |
|
|
case 5: return R.string.color_orange3;
|
353 |
|
|
}
|
354 |
|
|
|
355 |
|
|
return -1;
|
356 |
|
|
}
|
357 |
|
|
|
358 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
359 |
|
|
|
360 |
8c8a9fb9
|
Leszek Koltunski
|
private int getColorIndex5(int color)
|
361 |
|
|
{
|
362 |
|
|
switch(color)
|
363 |
|
|
{
|
364 |
|
|
case 0: return R.string.color_yellow5;
|
365 |
|
|
case 1: return R.string.color_white5;
|
366 |
|
|
case 2: return R.string.color_blue5;
|
367 |
|
|
case 3: return R.string.color_green5;
|
368 |
|
|
case 4: return R.string.color_red5;
|
369 |
|
|
case 5: return R.string.color_orange5;
|
370 |
|
|
}
|
371 |
|
|
|
372 |
|
|
return -1;
|
373 |
|
|
}
|
374 |
|
|
|
375 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
376 |
|
|
|
377 |
|
|
private int getColorIndex6(int color)
|
378 |
d0852c9c
|
Leszek Koltunski
|
{
|
379 |
8c8a9fb9
|
Leszek Koltunski
|
switch(color)
|
380 |
d0852c9c
|
Leszek Koltunski
|
{
|
381 |
|
|
case 0: return R.string.color_yellow6;
|
382 |
|
|
case 1: return R.string.color_white6;
|
383 |
|
|
case 2: return R.string.color_blue6;
|
384 |
|
|
case 3: return R.string.color_green6;
|
385 |
|
|
case 4: return R.string.color_red6;
|
386 |
|
|
case 5: return R.string.color_orange6;
|
387 |
|
|
}
|
388 |
|
|
|
389 |
|
|
return -1;
|
390 |
|
|
}
|
391 |
|
|
|
392 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
393 |
|
|
|
394 |
8c8a9fb9
|
Leszek Koltunski
|
private String edgeTwistedError(Resources res, int color0, int color1)
|
395 |
|
|
{
|
396 |
|
|
int j0 = getColorIndex3(color0);
|
397 |
|
|
int j1 = getColorIndex6(color1);
|
398 |
|
|
|
399 |
|
|
String c0 = res.getString(j0);
|
400 |
|
|
String c1 = res.getString(j1);
|
401 |
|
|
|
402 |
|
|
return res.getString(R.string.solver_generic_twisted_edge,c0,c1);
|
403 |
|
|
}
|
404 |
|
|
|
405 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
406 |
|
|
|
407 |
|
|
private String cornerTwistedError(Resources res, int color0, int color1, int color2)
|
408 |
|
|
{
|
409 |
|
|
int j0 = getColorIndex3(color0);
|
410 |
|
|
int j1 = getColorIndex3(color1);
|
411 |
|
|
int j2 = getColorIndex5(color2);
|
412 |
|
|
|
413 |
|
|
String c0 = res.getString(j0);
|
414 |
|
|
String c1 = res.getString(j1);
|
415 |
|
|
String c2 = res.getString(j2);
|
416 |
|
|
|
417 |
|
|
return res.getString(R.string.solver_generic_twisted_corner,c0,c1,c2);
|
418 |
|
|
}
|
419 |
|
|
|
420 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
421 |
|
|
|
422 |
|
|
private String edgeMissingError(Resources res, int color0, int color1)
|
423 |
d0852c9c
|
Leszek Koltunski
|
{
|
424 |
8c8a9fb9
|
Leszek Koltunski
|
int j0 = getColorIndex3(color0);
|
425 |
|
|
int j1 = getColorIndex6(color1);
|
426 |
d0852c9c
|
Leszek Koltunski
|
|
427 |
|
|
String c0 = res.getString(j0);
|
428 |
|
|
String c1 = res.getString(j1);
|
429 |
|
|
|
430 |
|
|
return res.getString(R.string.solver_generic_missing_edge,c0,c1);
|
431 |
|
|
}
|
432 |
|
|
|
433 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
434 |
|
|
|
435 |
8c8a9fb9
|
Leszek Koltunski
|
private String cornerMissingError(Resources res, int color0, int color1, int color2)
|
436 |
d0852c9c
|
Leszek Koltunski
|
{
|
437 |
8c8a9fb9
|
Leszek Koltunski
|
int j0 = getColorIndex3(color0);
|
438 |
|
|
int j1 = getColorIndex3(color1);
|
439 |
|
|
int j2 = getColorIndex4(color2);
|
440 |
d0852c9c
|
Leszek Koltunski
|
|
441 |
|
|
String c0 = res.getString(j0);
|
442 |
|
|
String c1 = res.getString(j1);
|
443 |
|
|
String c2 = res.getString(j2);
|
444 |
|
|
|
445 |
|
|
return res.getString(R.string.solver_generic_missing_corner,c0,c1,c2);
|
446 |
|
|
}
|
447 |
|
|
|
448 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
449 |
|
|
|
450 |
|
|
public String error(int index, Resources res)
|
451 |
|
|
{
|
452 |
|
|
switch(index)
|
453 |
|
|
{
|
454 |
8c8a9fb9
|
Leszek Koltunski
|
case ERROR_CORNER_MISSING : return cornerMissingError(res,mErrorColor1,mErrorColor2,mErrorColor3);
|
455 |
|
|
case ERROR_EDGE_MISSING : return edgeMissingError(res,mErrorColor1,mErrorColor2);
|
456 |
d0852c9c
|
Leszek Koltunski
|
case ERROR_CORNERS_CANNOT : return res.getString(R.string.solver_generic_corners_cannot);
|
457 |
8c8a9fb9
|
Leszek Koltunski
|
case ERROR_EDGE_TWISTED : return edgeTwistedError(res,mErrorColor1,mErrorColor2);
|
458 |
|
|
case ERROR_CORNER_TWISTED : return cornerTwistedError(res,mErrorColor1,mErrorColor2,mErrorColor3);
|
459 |
d0852c9c
|
Leszek Koltunski
|
}
|
460 |
|
|
|
461 |
|
|
return null;
|
462 |
|
|
}
|
463 |
|
|
|
464 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
465 |
|
|
|
466 |
|
|
public int[][] solution(int index, OperatingSystemInterface os)
|
467 |
|
|
{
|
468 |
|
|
if( mSolver==null )
|
469 |
|
|
{
|
470 |
|
|
mSolver = ImplementedTablebasesList.createUnpacked(ObjectSignatures.CU_323);
|
471 |
b6f55b25
|
Leszek Koltunski
|
if( mSolver!=null ) mSolver.createTablebase(-1);
|
472 |
d0852c9c
|
Leszek Koltunski
|
}
|
473 |
|
|
|
474 |
83c7fbec
|
Leszek Koltunski
|
return null;//mSolver!=null ? mSolver.solution(index,null,os) : null;
|
475 |
d0852c9c
|
Leszek Koltunski
|
}
|
476 |
|
|
}
|