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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 static org.distorted.objectlib.main.TwistyObject.SQ2;
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import org.distorted.library.type.Static3D;
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import org.distorted.objectlib.objects.TwistyPyraminxDuo;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class TablebasesPyraminxDuo extends TablebasesCreator
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{
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int[][] getBasicAngles()
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{
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int[] tmp = {3,3};
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return new int[][] { tmp,tmp,tmp,tmp };
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Static3D[] getRotationAxis()
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{
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return TwistyPyraminxDuo.ROT_AXIS;
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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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{ 0.000f, -SQ2/2, 1.000f },
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{ 0.000f, -SQ2/2,-1.000f },
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{-1.000f, SQ2/2, 0.000f },
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{ 1.000f, SQ2/2, 0.000f },
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{ 0.000f, SQ2/6, 1.0f/3 },
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{ 0.000f, SQ2/6,-1.0f/3 },
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{-1.0f/3, -SQ2/6, 0.000f },
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{ 1.0f/3, -SQ2/6, 0.000f },
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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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float[] cut = { 0.0f };
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return new float[][] { cut,cut,cut,cut };
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean[][] getRotatable()
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{
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boolean[] tmp = new boolean[] {false,true};
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return new boolean[][] { tmp,tmp,tmp,tmp };
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// specifically for the tablebase
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getSize()
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{
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return 324; // see https://www.jaapsch.net/puzzles/pyraduo.htm
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int[] getQuats(int index)
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{
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int c = index%4; index/=4;
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int b3= index%3; index/=3;
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int b2= index%3; index/=3;
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int b1= index%3; index/=3;
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int b0= index%3;
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// we don't need to care about the values of the last 3 quats, but do include them.
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int[] quats = new int[8];
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switch(c)
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{
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case 0: quats[4] = 2; break;
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case 1: quats[4] = 5; break;
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case 2: quats[4] = 4; break;
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case 3: quats[4] = 3; break;
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}
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switch(b3)
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{
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case 0: quats[3] = 0; break;
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case 1: quats[3] = 5; break;
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case 2: quats[3] = 6; break;
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}
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switch(b2)
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{
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case 0: quats[2] = 0; break;
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case 1: quats[2] = 7; break;
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case 2: quats[2] = 8; break;
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}
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switch(b1)
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{
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case 0: quats[1] = 0; break;
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case 1: quats[1] = 1; break;
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case 2: quats[1] = 2; break;
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}
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switch(b0)
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{
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case 0: quats[0] = 0; break;
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case 1: quats[0] = 3; break;
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case 2: quats[0] = 4; break;
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}
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return quats;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeCornerTwistFromQuat(int quat)
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{
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switch(quat)
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{
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case 0: case 9: case 10: case 11: return 0;
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case 1: case 3: case 5: case 7: return 1;
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case 2: case 4: case 6: case 8: return 2;
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}
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return -1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getIndex(int[] quats)
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{
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int b0 = computeCornerTwistFromQuat(quats[0]);
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int b1 = computeCornerTwistFromQuat(quats[1]);
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int b2 = computeCornerTwistFromQuat(quats[2]);
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int b3 = computeCornerTwistFromQuat(quats[3]);
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int c = -1;
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switch(quats[4])
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{
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case 0: case 1: case 2: c=0; break;
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case 5: case 8: case 10: c=1; break;
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case 4: case 7: case 11: c=2; break;
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case 3: case 6: case 9: c=3; break;
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}
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return c + 4*(b3 + 3*(b2 + 3*(b1 + 3*b0)));
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}
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}
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