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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.metadata.ListObjects;
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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.TBCuboid323;
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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 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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///////////////////////////////////////////////////////////////////////////////////////////////////
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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[4] = edges[1][0];
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mFaceColors[3] = edges[1][1];
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if( centers[0]!=mFaceColors[3] ) mFaceColors[2] = centers[0];
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else if( centers[1]!=mFaceColors[3] ) mFaceColors[2] = centers[1];
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else return ERROR_CORNERS_CANNOT;
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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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corners[7][0] = object.getCubitFaceStickerIndex(7,1);
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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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}
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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];
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int[] centers = new int[2];
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getCorners(object,corners);
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getEdges(object,edges);
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getCenters(object,centers);
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//for(int i=0; i<8; i++) android.util.Log.e("D", "corner: "+i+" : "+corners[i][0]+" "+corners[i][1]+" "+corners[i][2]);
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//for(int i=0; i<8; i++) android.util.Log.e("D", "edge: "+i+" : "+edges[i][0]+" "+edges[i][1]);
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int result0 = computeFaceColors(corners, edges, centers);
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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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//android.util.Log.e("D", "upper: "+mUpper);
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//for(int i=0; i<6; i++) android.util.Log.e("D", "face color: "+mFaceColors[i]);
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int[] edge_perm8 = new int[8];
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int result2 = retEdgePermutation(edge_perm8,edges);
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if( result2<0 ) return result2;
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int[] edge_perm7 = TBCuboid323.edgePermTo7(edge_perm8);
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/*
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TablebaseHelpers.displayTable(corner_perm, "CORNER PERM");
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TablebaseHelpers.displayTable(edge_perm8, "EDGE PERM8");
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TablebaseHelpers.displayTable(edge_perm7, "EDGE PERM7");
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*/
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int corner_perm_num = TablebaseHelpers.computePermutationNum(corner_perm);
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int edge_perm_num = TablebaseHelpers.computePermutationNum(edge_perm7);
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int centersInPlace = (centers[0]==mFaceColors[2]) ? 0 : 1;
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//android.util.Log.e("D", "corner_perm_num: "+corner_perm_num+" edge_perm_num: "+edge_perm_num+" inPlace: "+centersInPlace);
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//android.util.Log.e("D", "index="+(corner_perm_num + 40320*( centersInPlace + 2*edge_perm_num)));
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return corner_perm_num + 40320*( centersInPlace + 2*edge_perm_num);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getColorIndex4(int color)
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{
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switch(color)
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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 color)
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{
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switch(color)
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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 getColorIndex5(int color)
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{
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switch(color)
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{
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case 0: return R.string.color_yellow5;
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case 1: return R.string.color_white5;
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case 2: return R.string.color_blue5;
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case 3: return R.string.color_green5;
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case 4: return R.string.color_red5;
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case 5: return R.string.color_orange5;
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}
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348
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349
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return -1;
|
|
350
|
}
|
|
351
|
|
|
352
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
353
|
|
|
354
|
private int getColorIndex6(int color)
|
|
355
|
{
|
|
356
|
switch(color)
|
|
357
|
{
|
|
358
|
case 0: return R.string.color_yellow6;
|
|
359
|
case 1: return R.string.color_white6;
|
|
360
|
case 2: return R.string.color_blue6;
|
|
361
|
case 3: return R.string.color_green6;
|
|
362
|
case 4: return R.string.color_red6;
|
|
363
|
case 5: return R.string.color_orange6;
|
|
364
|
}
|
|
365
|
|
|
366
|
return -1;
|
|
367
|
}
|
|
368
|
|
|
369
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
370
|
|
|
371
|
private String edgeTwistedError(Resources res, int color0, int color1)
|
|
372
|
{
|
|
373
|
int j0 = getColorIndex3(color0);
|
|
374
|
int j1 = getColorIndex6(color1);
|
|
375
|
|
|
376
|
String c0 = res.getString(j0);
|
|
377
|
String c1 = res.getString(j1);
|
|
378
|
|
|
379
|
return res.getString(R.string.solver_generic_twisted_edge,c0,c1);
|
|
380
|
}
|
|
381
|
|
|
382
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
383
|
|
|
384
|
private String cornerTwistedError(Resources res, int color0, int color1, int color2)
|
|
385
|
{
|
|
386
|
int j0 = getColorIndex3(color0);
|
|
387
|
int j1 = getColorIndex3(color1);
|
|
388
|
int j2 = getColorIndex5(color2);
|
|
389
|
|
|
390
|
String c0 = res.getString(j0);
|
|
391
|
String c1 = res.getString(j1);
|
|
392
|
String c2 = res.getString(j2);
|
|
393
|
|
|
394
|
return res.getString(R.string.solver_generic_twisted_corner,c0,c1,c2);
|
|
395
|
}
|
|
396
|
|
|
397
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
398
|
|
|
399
|
private String edgeMissingError(Resources res, int color0, int color1)
|
|
400
|
{
|
|
401
|
int j0 = getColorIndex3(color0);
|
|
402
|
int j1 = getColorIndex6(color1);
|
|
403
|
|
|
404
|
String c0 = res.getString(j0);
|
|
405
|
String c1 = res.getString(j1);
|
|
406
|
|
|
407
|
return res.getString(R.string.solver_generic_missing_edge,c0,c1);
|
|
408
|
}
|
|
409
|
|
|
410
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
411
|
|
|
412
|
private String cornerMissingError(Resources res, int color0, int color1, int color2)
|
|
413
|
{
|
|
414
|
int j0 = getColorIndex3(color0);
|
|
415
|
int j1 = getColorIndex3(color1);
|
|
416
|
int j2 = getColorIndex4(color2);
|
|
417
|
|
|
418
|
String c0 = res.getString(j0);
|
|
419
|
String c1 = res.getString(j1);
|
|
420
|
String c2 = res.getString(j2);
|
|
421
|
|
|
422
|
return res.getString(R.string.solver_generic_missing_corner,c0,c1,c2);
|
|
423
|
}
|
|
424
|
|
|
425
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
426
|
|
|
427
|
public String error(int index, Resources res)
|
|
428
|
{
|
|
429
|
switch(index)
|
|
430
|
{
|
|
431
|
case ERROR_CORNER_MISSING : return cornerMissingError(res,mErrorColor1,mErrorColor2,mErrorColor3);
|
|
432
|
case ERROR_EDGE_MISSING : return edgeMissingError(res,mErrorColor1,mErrorColor2);
|
|
433
|
case ERROR_CORNERS_CANNOT : return res.getString(R.string.solver_generic_corners_cannot);
|
|
434
|
case ERROR_EDGE_TWISTED : return edgeTwistedError(res,mErrorColor1,mErrorColor2);
|
|
435
|
case ERROR_CORNER_TWISTED : return cornerTwistedError(res,mErrorColor1,mErrorColor2,mErrorColor3);
|
|
436
|
}
|
|
437
|
|
|
438
|
return null;
|
|
439
|
}
|
|
440
|
|
|
441
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
442
|
// a few cu_323 max (depth 18) indices:
|
|
443
|
// 1180633, 1180642, 1182044, 1190482, 128151851, 128190028
|
|
444
|
|
|
445
|
public int[][] solution(int index, OperatingSystemInterface os)
|
|
446
|
{
|
|
447
|
if( mSolver==null )
|
|
448
|
{
|
|
449
|
mSolver = ImplementedTablebasesList.createPacked(os, ListObjects.CU_323.name() );
|
|
450
|
}
|
|
451
|
|
|
452
|
((TBCuboid323)mSolver).initialize();
|
|
453
|
return mSolver!=null ? mSolver.solution(index,null,os) : null;
|
|
454
|
}
|
|
455
|
}
|
|
456
|
|