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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.ObjectType;
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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.TablebasesAbstract;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class SolverPyraminx extends SolverTablebase
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{
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private static final int ERROR_CORNER_GYB_MISSING = -1;
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private static final int ERROR_CORNER_GYR_MISSING = -2;
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private static final int ERROR_CORNER_GBR_MISSING = -3;
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private static final int ERROR_CORNER_YBR_MISSING = -4;
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private static final int ERROR_VERTEX_GYB_MISSING = -5;
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private static final int ERROR_VERTEX_GYR_MISSING = -6;
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private static final int ERROR_VERTEX_GBR_MISSING = -7;
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private static final int ERROR_VERTEX_YBR_MISSING = -8;
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private static final int ERROR_EDGE_RB_MISSING = -9;
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private static final int ERROR_EDGE_RY_MISSING = -10;
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private static final int ERROR_EDGE_RG_MISSING = -11;
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private static final int ERROR_EDGE_YB_MISSING = -12;
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private static final int ERROR_EDGE_GB_MISSING = -13;
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private static final int ERROR_EDGE_GY_MISSING = -14;
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private static final int ERROR_CORNERS_CANNOT = -15;
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private static final int ERROR_VERTICES_CANNOT = -16;
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private static final int ERROR_CORNER_TWISTED = -17;
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private static final int ERROR_EDGE_TWISTED = -18;
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private static final int ERROR_C_V_DONT_MATCH = -19;
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TablebasesAbstract mSolver;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean pieceEqual3(int[] piece, int c1, int c2, int c3)
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{
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return ( (piece[0]==c1 && piece[1]==c2 && piece[2]==c3) ||
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(piece[0]==c1 && piece[2]==c2 && piece[1]==c3) ||
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(piece[1]==c1 && piece[0]==c2 && piece[2]==c3) ||
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(piece[1]==c1 && piece[2]==c2 && piece[0]==c3) ||
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(piece[2]==c1 && piece[1]==c2 && piece[0]==c3) ||
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(piece[2]==c1 && piece[0]==c2 && piece[1]==c3) );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean pieceEqual2(int[] piece, int c1, int c2)
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{
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return ( (piece[0]==c1 && piece[1]==c2) ||
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(piece[0]==c2 && piece[1]==c1) );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int checkAllCornersPresent(int[][] corners)
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{
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boolean ybr = false;
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boolean gbr = false;
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boolean gyr = false;
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boolean gyb = false;
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for(int i=0; i<4; i++)
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{
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if( pieceEqual3(corners[i],0,1,2) ) gyb = true;
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if( pieceEqual3(corners[i],0,1,3) ) gyr = true;
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if( pieceEqual3(corners[i],0,2,3) ) gbr = true;
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if( pieceEqual3(corners[i],1,2,3) ) ybr = true;
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}
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if( !ybr ) return ERROR_CORNER_YBR_MISSING;
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if( !gbr ) return ERROR_CORNER_GBR_MISSING;
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if( !gyr ) return ERROR_CORNER_GYR_MISSING;
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if( !gyb ) return ERROR_CORNER_GYB_MISSING;
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int checkAllVerticesPresent(int[][] vertex)
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{
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boolean ybr = false;
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boolean gbr = false;
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boolean gyr = false;
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boolean gyb = false;
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for(int i=0; i<4; i++)
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{
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if( pieceEqual3(vertex[i],0,1,2) ) gyb = true;
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if( pieceEqual3(vertex[i],0,1,3) ) gyr = true;
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if( pieceEqual3(vertex[i],0,2,3) ) gbr = true;
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if( pieceEqual3(vertex[i],1,2,3) ) ybr = true;
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}
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if( !ybr ) return ERROR_VERTEX_YBR_MISSING;
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if( !gbr ) return ERROR_VERTEX_GBR_MISSING;
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if( !gyr ) return ERROR_VERTEX_GYR_MISSING;
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if( !gyb ) return ERROR_VERTEX_GYB_MISSING;
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int checkAllEdgesPresent(int[][] edges)
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{
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boolean rb = false;
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boolean ry = false;
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boolean rg = false;
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boolean yb = false;
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boolean gb = false;
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boolean gy = false;
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for(int i=0; i<6; i++)
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{
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if( pieceEqual2(edges[i],3,2) ) rb = true;
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if( pieceEqual2(edges[i],3,1) ) ry = true;
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if( pieceEqual2(edges[i],3,0) ) rg = true;
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if( pieceEqual2(edges[i],2,1) ) yb = true;
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if( pieceEqual2(edges[i],2,0) ) gb = true;
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if( pieceEqual2(edges[i],1,0) ) gy = true;
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}
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if( !rb ) return ERROR_EDGE_RB_MISSING;
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if( !ry ) return ERROR_EDGE_RY_MISSING;
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if( !rg ) return ERROR_EDGE_RG_MISSING;
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if( !yb ) return ERROR_EDGE_YB_MISSING;
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if( !gb ) return ERROR_EDGE_GB_MISSING;
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if( !gy ) return ERROR_EDGE_GY_MISSING;
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int[] computeFaceColors(int[][] corners)
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{
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int[] ret = new int[4];
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for(int i=0; i<4; i++)
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for(int j=0; j<4; j++)
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if( corners[i][0]!=j && corners[i][1]!=j && corners[i][2]!=j ) ret[i]=j;
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int checkAgreement(int[] faces1, int[] faces2)
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{
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for(int i=0; i<4; i++)
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if( faces1[i]!=faces2[i] ) return ERROR_C_V_DONT_MATCH;
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computePieceTwist(int index, int[] corner, int[] faceColor)
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{
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int twist1=0, twist2=0, twist3=0;
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switch(index)
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{
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case 0: if( corner[1]==faceColor[1] ) twist1=1;
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if( corner[2]==faceColor[1] ) twist1=2;
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if( corner[0]==faceColor[2] ) twist2=2;
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if( corner[2]==faceColor[2] ) twist2=1;
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if( corner[0]==faceColor[3] ) twist3=1;
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if( corner[1]==faceColor[3] ) twist3=2;
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break;
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case 1: if( corner[1]==faceColor[0] ) twist1=1;
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if( corner[2]==faceColor[0] ) twist1=2;
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if( corner[0]==faceColor[2] ) twist2=1;
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if( corner[1]==faceColor[2] ) twist2=2;
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if( corner[0]==faceColor[3] ) twist3=2;
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if( corner[2]==faceColor[3] ) twist3=1;
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break;
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case 2: if( corner[1]==faceColor[0] ) twist1=1;
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if( corner[2]==faceColor[0] ) twist1=2;
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if( corner[0]==faceColor[1] ) twist2=2;
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if( corner[2]==faceColor[1] ) twist2=1;
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if( corner[0]==faceColor[3] ) twist3=1;
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if( corner[1]==faceColor[3] ) twist3=2;
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break;
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case 3: if( corner[1]==faceColor[0] ) twist1=1;
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if( corner[2]==faceColor[0] ) twist1=2;
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if( corner[0]==faceColor[1] ) twist2=1;
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if( corner[1]==faceColor[1] ) twist2=2;
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if( corner[0]==faceColor[2] ) twist3=2;
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if( corner[2]==faceColor[2] ) twist3=1;
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break;
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}
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return ( twist1!=twist2 || twist1!=twist3 ) ? -1 : twist1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int[] computeEdgeQuats(int[][] edges)
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{
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return null;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public SolverPyraminx(Resources res, TwistyObject object)
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{
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super(res,object);
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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(6,3); // R
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corners[0][1] = object.getCubitFaceStickerIndex(6,2); // B
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corners[0][2] = object.getCubitFaceStickerIndex(6,1); // Y
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corners[1][0] = object.getCubitFaceStickerIndex(4,3); // R
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corners[1][1] = object.getCubitFaceStickerIndex(4,0); // G
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corners[1][2] = object.getCubitFaceStickerIndex(4,2); // B
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corners[2][0] = object.getCubitFaceStickerIndex(13,3); // R
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corners[2][1] = object.getCubitFaceStickerIndex(13,1); // Y
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corners[2][2] = object.getCubitFaceStickerIndex(13,0); // G
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corners[3][0] = object.getCubitFaceStickerIndex(11,0); // G
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corners[3][1] = object.getCubitFaceStickerIndex(11,1); // Y
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corners[3][2] = object.getCubitFaceStickerIndex(11,2); // B
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void getVertices(TwistyObject object, int[][] vertex)
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{
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vertex[0][0] = object.getCubitFaceStickerIndex(1,5); // R
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vertex[0][1] = object.getCubitFaceStickerIndex(1,7); // B
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vertex[0][2] = object.getCubitFaceStickerIndex(1,2); // Y
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vertex[1][0] = object.getCubitFaceStickerIndex(0,5); // R
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vertex[1][1] = object.getCubitFaceStickerIndex(0,0); // G
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vertex[1][2] = object.getCubitFaceStickerIndex(0,7); // B
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vertex[2][0] = object.getCubitFaceStickerIndex(3,5); // R
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vertex[2][1] = object.getCubitFaceStickerIndex(3,2); // Y
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vertex[2][2] = object.getCubitFaceStickerIndex(3,0); // G
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vertex[3][0] = object.getCubitFaceStickerIndex(2,0); // G
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vertex[3][1] = object.getCubitFaceStickerIndex(2,2); // Y
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vertex[3][2] = object.getCubitFaceStickerIndex(2,7); // B
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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(5,3); // R
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edges[0][1] = object.getCubitFaceStickerIndex(5,2); // B
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edges[1][0] = object.getCubitFaceStickerIndex(10,3); // R
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edges[1][1] = object.getCubitFaceStickerIndex(10,1); // Y
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edges[2][0] = object.getCubitFaceStickerIndex(9,3); // R
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edges[2][1] = object.getCubitFaceStickerIndex(9,0); // G
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edges[3][0] = object.getCubitFaceStickerIndex(8,1); // Y
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edges[3][1] = object.getCubitFaceStickerIndex(8,2); // B
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edges[4][0] = object.getCubitFaceStickerIndex(7,0); // G
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edges[4][1] = object.getCubitFaceStickerIndex(7,2); // B
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edges[5][0] = object.getCubitFaceStickerIndex(12,0); // G
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edges[5][1] = object.getCubitFaceStickerIndex(12,1); // Y
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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[4][3];
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int[][] edges = new int[6][2];
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int[][] vertices= new int[4][3];
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int[] corner_twist = new int[4];
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int[] vertex_twist = new int[4];
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getCorners(object,corners);
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getVertices(object,vertices);
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getEdges(object,edges);
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int result1 = checkAllCornersPresent(corners);
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if( result1<0 ) return result1;
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int result2 = checkAllVerticesPresent(vertices);
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if( result2<0 ) return result2;
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int result3 = checkAllEdgesPresent(edges);
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if( result3<0 ) return result3;
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int[] faces1 = computeFaceColors(corners);
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int[] faces2 = computeFaceColors(vertices);
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int result4 = checkAgreement(faces1,faces2);
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if( result4<0 ) return result4;
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for(int i=0; i<4; i++)
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{
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corner_twist[i] = computePieceTwist(i,corners[i],faces1);
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if( corner_twist[i]<0 ) return ERROR_CORNERS_CANNOT;
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}
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for(int i=0; i<4; i++)
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{
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vertex_twist[i] = computePieceTwist(i,vertices[i],faces1);
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if( vertex_twist[i]<0 ) return ERROR_VERTICES_CANNOT;
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}
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int[] quats = computeEdgeQuats(edges);
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return 0;
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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_green3;
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case 1: return R.string.color_yellow3;
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case 2: return R.string.color_blue3;
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case 3: return R.string.color_red3;
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}
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return -1;
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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_green4;
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case 1: return R.string.color_yellow4;
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case 2: return R.string.color_blue4;
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case 3: return R.string.color_red4;
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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 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_green6;
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case 1: return R.string.color_yellow6;
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case 2: return R.string.color_blue6;
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case 3: return R.string.color_red6;
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}
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return -1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private String cornerError(Resources res, int color0, int color1, int color2)
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{
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int j0 = getColorIndex3(color0);
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int j1 = getColorIndex3(color1);
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int j2 = getColorIndex4(color2);
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String c0 = res.getString(j0);
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String c1 = res.getString(j1);
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String c2 = res.getString(j2);
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return res.getString(R.string.solver_generic_missing_corner,c0,c1,c2);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private String vertexError(Resources res, int color0, int color1, int color2)
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{
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int j0 = getColorIndex3(color0);
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405
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int j1 = getColorIndex3(color1);
|
406
|
int j2 = getColorIndex4(color2);
|
407
|
|
408
|
String c0 = res.getString(j0);
|
409
|
String c1 = res.getString(j1);
|
410
|
String c2 = res.getString(j2);
|
411
|
|
412
|
return res.getString(R.string.solver_generic_missing_vertex,c0,c1,c2);
|
413
|
}
|
414
|
|
415
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
416
|
|
417
|
private String edgeError(Resources res, int color0, int color1)
|
418
|
{
|
419
|
int j0 = getColorIndex3(color0);
|
420
|
int j1 = getColorIndex6(color1);
|
421
|
|
422
|
String c0 = res.getString(j0);
|
423
|
String c1 = res.getString(j1);
|
424
|
|
425
|
return res.getString(R.string.solver_generic_missing_edge,c0,c1);
|
426
|
}
|
427
|
|
428
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
429
|
|
430
|
public String error(int index, Resources res)
|
431
|
{
|
432
|
switch(index)
|
433
|
{
|
434
|
case ERROR_CORNER_YBR_MISSING: return cornerError(res,3,2,1);
|
435
|
case ERROR_CORNER_GBR_MISSING: return cornerError(res,3,2,0);
|
436
|
case ERROR_CORNER_GYR_MISSING: return cornerError(res,3,1,0);
|
437
|
case ERROR_CORNER_GYB_MISSING: return cornerError(res,2,1,0);
|
438
|
case ERROR_VERTEX_YBR_MISSING: return vertexError(res,3,2,1);
|
439
|
case ERROR_VERTEX_GBR_MISSING: return vertexError(res,3,2,0);
|
440
|
case ERROR_VERTEX_GYR_MISSING: return vertexError(res,3,1,0);
|
441
|
case ERROR_VERTEX_GYB_MISSING: return vertexError(res,2,1,0);
|
442
|
case ERROR_EDGE_RB_MISSING : return edgeError(res,3,2);
|
443
|
case ERROR_EDGE_RY_MISSING : return edgeError(res,3,1);
|
444
|
case ERROR_EDGE_RG_MISSING : return edgeError(res,3,0);
|
445
|
case ERROR_EDGE_YB_MISSING : return edgeError(res,2,1);
|
446
|
case ERROR_EDGE_GB_MISSING : return edgeError(res,2,0);
|
447
|
case ERROR_EDGE_GY_MISSING : return edgeError(res,1,0);
|
448
|
case ERROR_CORNER_TWISTED : return res.getString(R.string.solver_generic_corner_twist);
|
449
|
case ERROR_EDGE_TWISTED : return res.getString(R.string.solver_generic_edge_twist);
|
450
|
case ERROR_CORNERS_CANNOT : return res.getString(R.string.solver_generic_corners_cannot);
|
451
|
case ERROR_VERTICES_CANNOT : return res.getString(R.string.solver_generic_vertices_cannot);
|
452
|
case ERROR_C_V_DONT_MATCH : return res.getString(R.string.solver_generic_c_v_dont_match);
|
453
|
|
454
|
}
|
455
|
|
456
|
return null;
|
457
|
}
|
458
|
|
459
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
460
|
|
461
|
public int[][] solution(int index, Resources res)
|
462
|
{
|
463
|
if( mSolver==null )
|
464
|
{
|
465
|
//mSolver = ImplementedTablebasesList.createPacked(res,ObjectType.PYRA_3);
|
466
|
mSolver = ImplementedTablebasesList.createUnpacked(ObjectType.PYRA_3);
|
467
|
if( mSolver!=null ) mSolver.createTablebase();
|
468
|
}
|
469
|
|
470
|
return mSolver!=null ? mSolver.solution(index) : null;
|
471
|
}
|
472
|
}
|
473
|
|