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68b59ec3
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Leszek Koltunski
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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.objectlib.tablebases;
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import org.distorted.library.type.Static3D;
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feceac2f
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Leszek Koltunski
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import org.distorted.objectlib.R;
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68b59ec3
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Leszek Koltunski
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import org.distorted.objectlib.helpers.OperatingSystemInterface;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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45dc5cd7
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Leszek Koltunski
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public class TBCuboid323 extends TablebasesPruning
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68b59ec3
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Leszek Koltunski
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{
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6ab0bce9
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Leszek Koltunski
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private static final int[][] CORNER_MAP = new int[][]
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{
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{0,4,7,1,2,3,5,6},
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{2,0,1,6,3,4,7,5},
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{7,1,0,4,5,6,2,3},
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{1,6,2,0,7,5,3,4},
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{4,3,5,7,0,2,6,1},
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{3,2,6,5,4,0,1,7},
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{5,7,4,3,6,1,0,2},
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{6,5,3,2,1,7,4,0}
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};
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private static final int[][] EDGE_MAP = new int[][]
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{
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{0,3,5,1,4,7,2,6},
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{3,0,1,5,2,6,4,7},
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{5,1,0,3,7,4,6,2},
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{1,5,3,0,6,2,7,4},
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{2,4,7,6,0,1,3,5},
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{7,6,2,4,1,0,5,3},
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{4,2,6,7,3,5,0,1},
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{6,7,4,2,5,3,1,0}
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};
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///////////////////////////////////////////////////////////////////////////////////////////////////
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5b9e0ba4
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Leszek Koltunski
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// remove perm[1] which is always equal to 1.
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6ab0bce9
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Leszek Koltunski
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08451d7f
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Leszek Koltunski
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public static int[] edgePermTo7(int[] perm)
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6ab0bce9
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Leszek Koltunski
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{
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int[] ret = new int[7];
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5b9e0ba4
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Leszek Koltunski
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ret[0] = perm[0]; if( ret[0]>1 ) ret[0]--;
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ret[1] = perm[2]; if( ret[1]>1 ) ret[1]--;
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ret[2] = perm[3]; if( ret[2]>1 ) ret[2]--;
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ret[3] = perm[4]; if( ret[3]>1 ) ret[3]--;
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ret[4] = perm[5]; if( ret[4]>1 ) ret[4]--;
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ret[5] = perm[6]; if( ret[5]>1 ) ret[5]--;
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ret[6] = perm[7]; if( ret[6]>1 ) ret[6]--;
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6ab0bce9
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Leszek Koltunski
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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c64217f7
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Leszek Koltunski
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// reverse the above
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6ab0bce9
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Leszek Koltunski
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5b9e0ba4
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Leszek Koltunski
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private static int[] edgePermTo8(int[] perm)
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6ab0bce9
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Leszek Koltunski
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{
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int[] ret = new int[8];
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5b9e0ba4
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Leszek Koltunski
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ret[0] = perm[0]; if( ret[0]>=1 ) ret[0]++;
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ret[1] = 1;
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ret[2] = perm[1]; if( ret[2]>=1 ) ret[2]++;
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ret[3] = perm[2]; if( ret[3]>=1 ) ret[3]++;
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ret[4] = perm[3]; if( ret[4]>=1 ) ret[4]++;
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ret[5] = perm[4]; if( ret[5]>=1 ) ret[5]++;
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ret[6] = perm[5]; if( ret[6]>=1 ) ret[6]++;
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ret[7] = perm[6]; if( ret[7]>=1 ) ret[7]++;
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6ab0bce9
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Leszek Koltunski
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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68b59ec3
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Leszek Koltunski
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public TBCuboid323()
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{
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super();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public TBCuboid323(OperatingSystemInterface os)
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{
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e1e92738
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Leszek Koltunski
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super(os,new int[] {R.raw.cu_323_pruning7 ,R.raw.cu_323_pruning8 },
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new int[] {R.raw.cu_323_pruning17,R.raw.cu_323_pruning18} );
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68b59ec3
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int[][] getBasicAngles()
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{
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5b9e0ba4
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Leszek Koltunski
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int[] tmp2 = {2,2,2};
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int[] tmp4 = {4,4};
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return new int[][] { tmp2,tmp4,tmp2 };
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68b59ec3
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Static3D[] getRotationAxis()
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{
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return new Static3D[]
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{
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new Static3D(1,0,0),
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new Static3D(0,1,0),
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new Static3D(0,0,1)
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};
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float[][] getPosition()
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{
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return new float[][]
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{
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{ -1.0f, -0.5f, -1.0f },
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{ -1.0f, -0.5f, 1.0f },
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{ -1.0f, 0.5f, -1.0f },
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{ -1.0f, 0.5f, 1.0f },
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{ 1.0f, -0.5f, -1.0f },
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{ 1.0f, -0.5f, 1.0f },
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{ 1.0f, 0.5f, -1.0f },
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{ 1.0f, 0.5f, 1.0f },
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{ 0.0f, -0.5f, -1.0f },
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{ 0.0f, -0.5f, 1.0f },
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{ 0.0f, 0.5f, -1.0f },
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{ 0.0f, 0.5f, 1.0f },
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{ -1.0f, -0.5f, 0.0f },
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{ -1.0f, 0.5f, 0.0f },
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{ 1.0f, -0.5f, 0.0f },
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{ 1.0f, 0.5f, 0.0f },
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{ 0.0f, 0.5f, 0.0f },
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{ 0.0f, -0.5f, 0.0f },
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};
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float[][] getCuts()
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{
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return new float[][] { {-0.5f,0.5f}, {0.0f}, {-0.5f,0.5f} };
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean[][] getRotatable()
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{
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5b9e0ba4
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Leszek Koltunski
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return new boolean[][] { {true,false,true},{false,true},{true,true,false} };
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68b59ec3
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Leszek Koltunski
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}
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3feba94e
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// we map the move (axis=2, middle layer) to move (axis=2,both middle and back layers).
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// this way we can imitate move of the front layer (which we do not want to move because
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// the edge1 piece has to always stay in its place)
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@Override
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int computeBitLayer(int ax, int layer)
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{
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if( ax!=2 ) return (1<<layer);
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switch(layer)
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{
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case 0 : return 1;
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case 1 : return 3;
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default: return 4;
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}
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}
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68b59ec3
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// specifically for the tablebase
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// 8!*8!/4 --> https://www.jaapsch.net/puzzles/domino.htm
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int getSize()
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{
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return 406425600;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getMinScramble()
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{
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return 13;
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}
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45dc5cd7
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int[] getMidPruningLevels()
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{
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5b9e0ba4
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Leszek Koltunski
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return new int[] {7,8};
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45dc5cd7
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int[] getHighPruningLevels()
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{
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3feba94e
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Leszek Koltunski
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return new int[] {17,18};
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45dc5cd7
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getGodsNumber()
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{
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return 18;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean moveCanProceed(int lastA, int lastR, int currA, int currR)
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{
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return (lastA!=currA) || (lastR!=currR);
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}
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6ab0bce9
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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398f2870
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Leszek Koltunski
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private static int findIndex(int[] table, int value)
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6ab0bce9
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Leszek Koltunski
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{
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for(int i=0; i<8; i++)
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if( table[i]==value ) return i;
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return -1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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5b9e0ba4
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Leszek Koltunski
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private int centersInverted(int[] quats)
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6ab0bce9
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Leszek Koltunski
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{
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| 236 |
5b9e0ba4
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Leszek Koltunski
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int q = quats[16];
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return (q==0 || q==2 || q==3 || q==4) ? 0 : 1;
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| 238 |
6ab0bce9
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Leszek Koltunski
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}
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398f2870
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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5b9e0ba4
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Leszek Koltunski
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public static int[] quatsFromPermutations(int[] corner, int[] edge8, int centers)
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398f2870
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Leszek Koltunski
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{
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int[] quats = new int[18];
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for(int i=0; i<8; i++)
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{
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int q = CORNER_MAP[i][corner[i]];
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quats[i] = q;
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}
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for(int i=0; i<8; i++)
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{
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int q = EDGE_MAP[i][edge8[i]];
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quats[i+8] = q;
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}
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| 257 |
5b9e0ba4
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Leszek Koltunski
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if( centers==0 )
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{
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quats[16]=0;
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quats[17]=0;
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}
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else
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{
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quats[16]=5;
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quats[17]=5;
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}
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| 268 |
398f2870
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Leszek Koltunski
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return quats;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void cornerFromQuats(int[] corner_perm, int[] quats)
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{
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for(int i=0; i<8; i++) corner_perm[i] = findIndex( CORNER_MAP[i], quats[i]);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void edgeFromQuats(int[] edge_perm, int[] quats)
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| 281 |
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{
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| 282 |
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for(int i=0; i<8; i++) edge_perm[i] = findIndex( EDGE_MAP[i], quats[i+8]);
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| 283 |
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}
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| 284 |
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| 285 |
68b59ec3
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
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| 286 |
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| 287 |
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public int[] getQuats(int index)
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| 288 |
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{
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| 289 |
5b9e0ba4
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Leszek Koltunski
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int cornerPermNum = (index%40320);
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| 290 |
45dc5cd7
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Leszek Koltunski
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index /= 40320;
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| 291 |
5b9e0ba4
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Leszek Koltunski
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int centers = (index%2);
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| 292 |
6ab0bce9
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Leszek Koltunski
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int edgePermNum = index/2;
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| 293 |
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| 294 |
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int[] corner_perm = new int[8];
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| 295 |
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TablebaseHelpers.getPermutationFromNum(corner_perm,8,cornerPermNum);
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| 296 |
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int[] edge_perm7 = new int[7];
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| 297 |
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TablebaseHelpers.getPermutationFromNum(edge_perm7,7,edgePermNum);
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| 298 |
5b9e0ba4
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Leszek Koltunski
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int[] edge_perm8 = edgePermTo8(edge_perm7);
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| 299 |
c64217f7
|
Leszek Koltunski
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/*
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| 300 |
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TablebaseHelpers.displayTable(corner_perm, "CORNER");
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| 301 |
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TablebaseHelpers.displayTable(edge_perm8, "EDGE8");
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| 302 |
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TablebaseHelpers.displayTable(edge_perm7, "EDGE7");
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| 303 |
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android.util.Log.e("D", "inPlace="+inPlace);
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| 304 |
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*/
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| 305 |
6ab0bce9
|
Leszek Koltunski
|
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| 306 |
5b9e0ba4
|
Leszek Koltunski
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return quatsFromPermutations(corner_perm,edge_perm8,centers);
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| 307 |
68b59ec3
|
Leszek Koltunski
|
}
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| 308 |
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| 309 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 310 |
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| 311 |
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public int getIndex(int[] quats)
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| 312 |
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{
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| 313 |
6ab0bce9
|
Leszek Koltunski
|
int[] corner_perm = new int[8];
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| 314 |
398f2870
|
Leszek Koltunski
|
cornerFromQuats(corner_perm,quats);
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| 315 |
6ab0bce9
|
Leszek Koltunski
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int[] edge_perm8 = new int[8];
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| 316 |
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Leszek Koltunski
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edgeFromQuats(edge_perm8,quats);
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| 317 |
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int[] edge_perm7 = edgePermTo7(edge_perm8);
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| 318 |
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| 319 |
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int corner_perm_num = TablebaseHelpers.computePermutationNum(corner_perm);
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| 320 |
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int edge_perm_num = TablebaseHelpers.computePermutationNum(edge_perm7);
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| 321 |
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Leszek Koltunski
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int centers = centersInverted(quats);
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| 322 |
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| 323 |
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Leszek Koltunski
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return corner_perm_num + 40320*( centers + 2*edge_perm_num);
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| 324 |
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}
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| 325 |
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}
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