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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.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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import org.distorted.objectlib.tablebases.TablebaseHelpers;
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import org.distorted.objectlib.tablebases.TablebasesAbstract;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class SolverCuboid232 extends SolverTablebase
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{
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private static final int ERROR_CORNER_135_MISSING = -1;
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private static final int ERROR_CORNER_134_MISSING = -2;
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private static final int ERROR_CORNER_125_MISSING = -3;
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private static final int ERROR_CORNER_124_MISSING = -4;
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private static final int ERROR_CORNER_035_MISSING = -5;
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private static final int ERROR_CORNER_034_MISSING = -6;
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private static final int ERROR_CORNER_025_MISSING = -7;
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private static final int ERROR_CORNER_024_MISSING = -8;
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private static final int ERROR_EDGE_15_MISSING = -9;
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private static final int ERROR_EDGE_14_MISSING = -10;
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private static final int ERROR_EDGE_05_MISSING = -11;
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private static final int ERROR_EDGE_04_MISSING = -12;
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private static final int ERROR_CORNERS_CANNOT = -13;
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private static final int ERROR_EDGE_TWISTED = -14;
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private static final int ERROR_CORNER_TWISTED = -15;
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TablebasesAbstract mSolver;
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private final int[] mFaceColors;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int edgeIs(int[] edge, int i0, int i1)
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{
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int c0 = mFaceColors[i0];
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int c1 = mFaceColors[i1];
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if( edge[0]==c0 && edge[1]==c1 ) return 0;
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if( edge[0]==c1 && edge[1]==c0 ) return 1;
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return 2;
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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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for(int i=0; i<4; i++) output[i] = -1;
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for(int i=0; i<4; i++)
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{
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int edge0 = edgeIs(edges[i],1,5);
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if( edge0==0 ) output[0]=i;
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else if( edge0==1 ) return ERROR_EDGE_TWISTED;
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int edge1 = edgeIs(edges[i],1,4);
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if( edge1==0 ) output[1]=i;
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else if( edge1==1 ) return ERROR_EDGE_TWISTED;
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int edge2 = edgeIs(edges[i],0,5);
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if( edge2==0 ) output[2]=i;
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else if( edge2==1 ) return ERROR_EDGE_TWISTED;
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int edge3 = edgeIs(edges[i],0,4);
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if( edge3==0 ) output[3]=i;
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else if( edge3==1 ) return ERROR_EDGE_TWISTED;
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}
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if( output[0]==-1 ) return ERROR_EDGE_15_MISSING;
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if( output[1]==-1 ) return ERROR_EDGE_14_MISSING;
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if( output[2]==-1 ) return ERROR_EDGE_05_MISSING;
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if( output[3]==-1 ) return ERROR_EDGE_04_MISSING;
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int cornerIs(int[] corner, int i0, int i1, int i2)
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{
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int c0 = mFaceColors[i0];
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int c1 = mFaceColors[i1];
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int c2 = mFaceColors[i2];
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if( corner[0]==c0 && corner[1]==c1 && corner[2]==c2 ) return 0;
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if( corner[0]==c0 && corner[1]==c2 && corner[2]==c1 ||
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corner[0]==c1 && corner[1]==c0 && corner[2]==c2 ||
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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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corner[0]==c2 && corner[1]==c1 && corner[2]==c0 ) return 1;
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return 2;
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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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for(int i=0; i<8; i++) output[i] = -1;
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for(int i=0; i<8; i++)
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{
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int corner7 = cornerIs(corners[i],2,4,0);
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if( corner7==0 ) output[7]=i;
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else if( corner7==1 ) return ERROR_CORNER_TWISTED;
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int corner6 = cornerIs(corners[i],2,0,5);
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if( corner6==0 ) output[6]=i;
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else if( corner6==1 ) return ERROR_CORNER_TWISTED;
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int corner5 = cornerIs(corners[i],3,0,4);
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if( corner5==0 ) output[5]=i;
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else if( corner5==1 ) return ERROR_CORNER_TWISTED;
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int corner4 = cornerIs(corners[i],3,5,0);
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if( corner4==0 ) output[4]=i;
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else if( corner4==1 ) return ERROR_CORNER_TWISTED;
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int corner3 = cornerIs(corners[i],2,1,4);
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if( corner3==0 ) output[3]=i;
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else if( corner3==1 ) return ERROR_CORNER_TWISTED;
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int corner2 = cornerIs(corners[i],2,5,1);
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if( corner2==0 ) output[2]=i;
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else if( corner2==1 ) return ERROR_CORNER_TWISTED;
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int corner1 = cornerIs(corners[i],3,4,1);
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if( corner1==0 ) output[1]=i;
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else if( corner1==1 ) return ERROR_CORNER_TWISTED;
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int corner0 = cornerIs(corners[i],3,1,5);
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if( corner0==0 ) output[0]=i;
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else if( corner0==1 ) return ERROR_CORNER_TWISTED;
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}
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if( output[0]==-1 ) return ERROR_CORNER_135_MISSING;
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if( output[1]==-1 ) return ERROR_CORNER_134_MISSING;
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if( output[2]==-1 ) return ERROR_CORNER_125_MISSING;
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if( output[3]==-1 ) return ERROR_CORNER_124_MISSING;
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if( output[4]==-1 ) return ERROR_CORNER_035_MISSING;
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if( output[5]==-1 ) return ERROR_CORNER_034_MISSING;
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if( output[6]==-1 ) return ERROR_CORNER_025_MISSING;
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if( output[7]==-1 ) return ERROR_CORNER_024_MISSING;
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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)
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{
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mFaceColors[1] = edges[1][0];
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mFaceColors[4] = edges[1][1];
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if( edges[0][0]==mFaceColors[1] ) mFaceColors[5] = edges[0][1];
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else if( edges[2][0]==mFaceColors[1] ) mFaceColors[5] = edges[2][1];
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else if( edges[3][0]==mFaceColors[1] ) mFaceColors[5] = edges[3][1];
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else return ERROR_EDGE_TWISTED;
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if( edges[0][1]==mFaceColors[4] ) mFaceColors[0] = edges[0][0];
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else if( edges[2][1]==mFaceColors[4] ) mFaceColors[0] = edges[2][0];
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else if( edges[3][1]==mFaceColors[4] ) mFaceColors[0] = edges[3][0];
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else return ERROR_EDGE_TWISTED;
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boolean found2 = false;
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boolean found3 = false;
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for(int c=0; c<8; c++)
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{
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if( !found3 && corners[c][1]==mFaceColors[4] && corners[c][2]==mFaceColors[1] )
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{
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found3=true;
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mFaceColors[3] = corners[c][0];
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}
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if( !found2 && corners[c][1]==mFaceColors[1] && corners[c][2]==mFaceColors[4] )
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{
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found2=true;
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mFaceColors[2] = corners[c][0];
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}
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}
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if( !found2 || !found3 ) return ERROR_CORNERS_CANNOT;
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for(int i=0; i<6; i++)
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for(int j=i+1; j<6; j++)
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if( mFaceColors[i]==mFaceColors[j] ) return ERROR_CORNERS_CANNOT;
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int[] correctEdgePerm(int[] perm)
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{
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int[] ret = new int[3];
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ret[0] = perm[0];
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ret[1] = perm[2];
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ret[2] = perm[3];
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if( ret[0]>1 ) ret[0]--;
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if( ret[1]>1 ) ret[1]--;
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if( ret[2]>1 ) ret[2]--;
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public SolverCuboid232(Resources res, TwistyObject object)
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{
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super(res,object);
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mFaceColors = new int[6];
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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[4][2];
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corners[0][0] = object.getCubitFaceStickerIndex(0,3);
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corners[0][1] = object.getCubitFaceStickerIndex(0,1);
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corners[0][2] = object.getCubitFaceStickerIndex(0,5);
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corners[1][0] = object.getCubitFaceStickerIndex(1,1);
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corners[1][1] = object.getCubitFaceStickerIndex(1,5);
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corners[1][2] = object.getCubitFaceStickerIndex(1,3);
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corners[2][0] = object.getCubitFaceStickerIndex(2,3);
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corners[2][1] = object.getCubitFaceStickerIndex(2,1);
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corners[2][2] = object.getCubitFaceStickerIndex(2,5);
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corners[3][0] = object.getCubitFaceStickerIndex(3,3);
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corners[3][1] = object.getCubitFaceStickerIndex(3,1);
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corners[3][2] = object.getCubitFaceStickerIndex(3,5);
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corners[4][0] = object.getCubitFaceStickerIndex(4,5);
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corners[4][1] = object.getCubitFaceStickerIndex(4,3);
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corners[4][2] = object.getCubitFaceStickerIndex(4,1);
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corners[5][0] = object.getCubitFaceStickerIndex(5,3);
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corners[5][1] = object.getCubitFaceStickerIndex(5,1);
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corners[5][2] = object.getCubitFaceStickerIndex(5,5);
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corners[6][0] = object.getCubitFaceStickerIndex(6,3);
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corners[6][1] = object.getCubitFaceStickerIndex(6,1);
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corners[6][2] = object.getCubitFaceStickerIndex(6,5);
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corners[7][0] = object.getCubitFaceStickerIndex(7,5);
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corners[7][1] = object.getCubitFaceStickerIndex(7,3);
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corners[7][2] = object.getCubitFaceStickerIndex(7,1);
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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(10,5);
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edges[2][1] = object.getCubitFaceStickerIndex(10,3);
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edges[3][0] = object.getCubitFaceStickerIndex(11,3);
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edges[3][1] = object.getCubitFaceStickerIndex(11,5);
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int result0 = computeFaceColors(corners, edges);
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if( result0<0 ) return result0;
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int[] corner_perm = new int[8];
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int result1 = retCornerPermutation(corner_perm,corners);
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if( result1<0 ) return result1;
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int[] edge_perm = new int[4];
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int result2 = retEdgePermutation(edge_perm,edges);
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if( result2<0 ) return result2;
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int[] edge_perm2 = correctEdgePerm(edge_perm); // edge1 is fixed!
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int corner_perm_num = TablebaseHelpers.computePermutationNum(corner_perm);
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int edge_perm_num = TablebaseHelpers.computePermutationNum(edge_perm2);
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return edge_perm_num + 6*corner_perm_num;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getColorIndex4(int face)
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{
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switch(mFaceColors[face])
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{
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case 0: return R.string.color_yellow4;
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case 1: return R.string.color_white4;
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case 2: return R.string.color_blue4;
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case 3: return R.string.color_green4;
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case 4: return R.string.color_red4;
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case 5: return R.string.color_orange4;
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}
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return -1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getColorIndex3(int face)
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{
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switch(mFaceColors[face])
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{
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case 0: return R.string.color_yellow3;
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case 1: return R.string.color_white3;
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case 2: return R.string.color_blue3;
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case 3: return R.string.color_green3;
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case 4: return R.string.color_red3;
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case 5: return R.string.color_orange3;
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}
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return -1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getColorIndex6(int face)
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{
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switch(mFaceColors[face])
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{
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case 0: return R.string.color_yellow6;
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case 1: return R.string.color_white6;
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case 2: return R.string.color_blue6;
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|
341
|
case 3: return R.string.color_green6;
|
|
342
|
case 4: return R.string.color_red6;
|
|
343
|
case 5: return R.string.color_orange6;
|
|
344
|
}
|
|
345
|
|
|
346
|
return -1;
|
|
347
|
}
|
|
348
|
|
|
349
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
350
|
|
|
351
|
private String edgeError(Resources res, int face0, int face1)
|
|
352
|
{
|
|
353
|
int j0 = getColorIndex3(face0);
|
|
354
|
int j1 = getColorIndex6(face1);
|
|
355
|
|
|
356
|
String c0 = res.getString(j0);
|
|
357
|
String c1 = res.getString(j1);
|
|
358
|
|
|
359
|
return res.getString(R.string.solver_generic_missing_edge,c0,c1);
|
|
360
|
}
|
|
361
|
|
|
362
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
363
|
|
|
364
|
private String cornerError(Resources res, int face0, int face1, int face2)
|
|
365
|
{
|
|
366
|
int j0 = getColorIndex3(face0);
|
|
367
|
int j1 = getColorIndex3(face1);
|
|
368
|
int j2 = getColorIndex4(face2);
|
|
369
|
|
|
370
|
String c0 = res.getString(j0);
|
|
371
|
String c1 = res.getString(j1);
|
|
372
|
String c2 = res.getString(j2);
|
|
373
|
|
|
374
|
return res.getString(R.string.solver_generic_missing_corner,c0,c1,c2);
|
|
375
|
}
|
|
376
|
|
|
377
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
378
|
|
|
379
|
public String error(int index, Resources res)
|
|
380
|
{
|
|
381
|
switch(index)
|
|
382
|
{
|
|
383
|
case ERROR_CORNER_135_MISSING: return cornerError(res,1,3,5);
|
|
384
|
case ERROR_CORNER_134_MISSING: return cornerError(res,1,3,4);
|
|
385
|
case ERROR_CORNER_125_MISSING: return cornerError(res,1,2,5);
|
|
386
|
case ERROR_CORNER_124_MISSING: return cornerError(res,1,2,4);
|
|
387
|
case ERROR_CORNER_035_MISSING: return cornerError(res,0,3,5);
|
|
388
|
case ERROR_CORNER_034_MISSING: return cornerError(res,0,3,4);
|
|
389
|
case ERROR_CORNER_025_MISSING: return cornerError(res,0,2,5);
|
|
390
|
case ERROR_CORNER_024_MISSING: return cornerError(res,0,2,4);
|
|
391
|
|
|
392
|
case ERROR_EDGE_15_MISSING : return edgeError(res,1,5);
|
|
393
|
case ERROR_EDGE_14_MISSING : return edgeError(res,1,4);
|
|
394
|
case ERROR_EDGE_05_MISSING : return edgeError(res,0,5);
|
|
395
|
case ERROR_EDGE_04_MISSING : return edgeError(res,0,4);
|
|
396
|
|
|
397
|
case ERROR_CORNERS_CANNOT : return res.getString(R.string.solver_generic_corners_cannot);
|
|
398
|
case ERROR_EDGE_TWISTED : return res.getString(R.string.solver_generic_edge_twist);
|
|
399
|
case ERROR_CORNER_TWISTED : return res.getString(R.string.solver_generic_corner_twist);
|
|
400
|
}
|
|
401
|
|
|
402
|
return null;
|
|
403
|
}
|
|
404
|
|
|
405
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
406
|
|
|
407
|
public int[][] solution(int index, Resources res)
|
|
408
|
{
|
|
409
|
if( mSolver==null )
|
|
410
|
{
|
|
411
|
mSolver = ImplementedTablebasesList.createPacked(res, ObjectSignatures.CU_232);
|
|
412
|
}
|
|
413
|
|
|
414
|
return mSolver!=null ? mSolver.solution(index,null) : null;
|
|
415
|
}
|
|
416
|
}
|
|
417
|
|