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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2021 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 free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Magic Cube is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Magic Cube. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.objects;
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import android.content.res.Resources;
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import org.distorted.helpers.FactoryCubit;
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import org.distorted.helpers.ObjectShape;
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import org.distorted.helpers.ObjectSticker;
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import org.distorted.library.effect.MatrixEffectQuaternion;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.mesh.MeshBase;
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import org.distorted.library.mesh.MeshSquare;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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import org.distorted.main.R;
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import java.util.Random;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class TwistySquare1 extends TwistySquare
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{
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private static final int[] QUAT_NUMBER = new int[]
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{
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0, 6,
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0, 9, 6, 3, 18, 15, 12, 21,
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0, 9, 6, 3, 15, 12, 21, 18
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};
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// centers of the 2 middles + 8 edges + 8 corners
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private static final float[][] CENTERS = new float[][]
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{
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{ 1.5f, 0.0f, 0.0f },
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{-1.5f, 0.0f, 0.0f },
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{ 0.0f, 1.0f, 1.5f },
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{ 1.5f, 1.0f, 0.0f },
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{ 0.0f, 1.0f,-1.5f },
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{-1.5f, 1.0f, 0.0f },
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{ 0.0f,-1.0f, 1.5f },
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{ 1.5f,-1.0f, 0.0f },
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{ 0.0f,-1.0f,-1.5f },
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{-1.5f,-1.0f, 0.0f },
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{ 1.0f, 1.0f, 2.0f, 2.0f, 1.0f, 1.0f },
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{ 1.0f, 1.0f,-2.0f, 2.0f, 1.0f,-1.0f },
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{-1.0f, 1.0f,-2.0f,-2.0f, 1.0f,-1.0f },
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{-1.0f, 1.0f, 2.0f,-2.0f, 1.0f, 1.0f },
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{ 1.0f,-1.0f, 2.0f, 2.0f,-1.0f, 1.0f },
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{ 1.0f,-1.0f,-2.0f, 2.0f,-1.0f,-1.0f },
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{-1.0f,-1.0f,-2.0f,-2.0f,-1.0f,-1.0f },
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{-1.0f,-1.0f, 2.0f,-2.0f,-1.0f, 1.0f }
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};
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private static final double[][] VERTICES_CORNER = new double[][]
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{
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{ X-1.5, 0.5, 0.0 },
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{ 0.0, 0.5, 0.0 },
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{ 0.0, 0.5,X-1.5 },
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{ -1.5, 0.5, -1.5 },
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{ X-1.5,-0.5, 0.0 },
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{ 0.0,-0.5, 0.0 },
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{ 0.0,-0.5,X-1.5 },
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{ -1.5,-0.5, -1.5 }
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};
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private static final int[][] VERT_INDEXES_CORNER = new int[][]
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{
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{0,1,2,3}, // counterclockwise!
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{4,5,6,7},
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{4,5,1,0},
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{5,6,2,1},
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{7,4,0,3},
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{6,7,3,2}
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};
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private static final float[][] STICKERS = new float[][]
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{
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{ -0.5f, -0.26289170f, 0.5f, -0.26289170f, 0.5f, 0.26289170f, -0.5f, 0.26289170f }, // middle front
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{ -0.5f, -0.16666667f, 0.5f, -0.16666667f, 0.5f, 0.16666667f, -0.5f, 0.16666667f }, // middle right
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{ -0.5f, -0.45534182f, 0.5f, -0.45534182f, 0.5f, 0.45534182f, -0.5f, 0.45534182f }, // middle back
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{ -0.20096192f, -0.25f, 0.20096192f, -0.25f, 0.0f, 0.5f }, // edge top
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{ -0.40192384f, -0.5f, 0.40192384f, -0.5f, 0.40192384f, 0.5f, -0.40192384f, 0.5f }, // edge face
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{ -0.2637079f, -0.38185397f, 0.38185397f, -0.38185397f, 0.38185397f, 0.2637079f, -0.5f, 0.5f } // corner top
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};
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private static final int NUM_STICKERS = STICKERS.length;
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private static final int[][] mStickerType = new int[][]
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{
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{ NUM_STICKERS,NUM_STICKERS,0, 1, 2,NUM_STICKERS },
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{ 3,NUM_STICKERS,4,NUM_STICKERS,NUM_STICKERS,NUM_STICKERS },
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{ 5,NUM_STICKERS,2, 2,NUM_STICKERS,NUM_STICKERS }
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};
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// YELLOW 0 WHITE 1 BLUE 2 GREEN 3 RED 4 ORANGE 5
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private static final int[][] mStickerColor = new int[][]
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{
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{ 0, 0, 4, 0, 5, 0 },
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{ 0, 0, 5, 1, 4, 0 },
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{ 2, 0, 4, 0, 0, 0 },
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{ 2, 0, 0, 0, 0, 0 },
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{ 2, 0, 5, 0, 0, 0 },
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{ 2, 0, 1, 0, 0, 0 },
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{ 3, 0, 4, 0, 0, 0 },
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{ 3, 0, 0, 0, 0, 0 },
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{ 3, 0, 5, 0, 0, 0 },
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{ 3, 0, 1, 0, 0, 0 },
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{ 2, 0, 4, 0, 0, 0 },
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{ 2, 0, 0, 5, 0, 0 },
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{ 2, 0, 5, 1, 0, 0 },
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{ 2, 0, 1, 4, 0, 0 },
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{ 3, 0, 0, 4, 0, 0 },
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{ 3, 0, 5, 0, 0, 0 },
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{ 3, 0, 1, 5, 0, 0 },
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{ 3, 0, 4, 1, 0, 0 },
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};
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// quat indices that make corner cubits bandage the puzzle.
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private static final int[][] BAD_CORNER_QUATS = new int[][]
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{
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{ 2, 8,17,23},
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{ 5,11,14,20},
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};
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private final int[][] mPermittedAngles;
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private final int[] mCornerQuat;
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private int mPermittedUp, mPermittedDo;
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private static final ObjectSticker[] mStickers;
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static
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{
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mStickers = new ObjectSticker[NUM_STICKERS];
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final float R1 = 0.06f;
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final float R2 = 0.04f;
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final float R3 = 0.11f;
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final float R4 = 0.03f;
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final float R5 = 0.11f;
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final float R6 = 0.08f;
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final float[][] radii = { {R1,R1,R1,R1},{R2,R2,R2,R2},{R3,R3,R3,R3},{R4,R4,R4},{R5,R5,R5,R5},{R6,R6,R6,R6} };
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final float[] strokes = { 0.05f,0.04f,0.09f,0.05f,0.08f,0.08f };
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for(int s=0; s<NUM_STICKERS; s++)
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{
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mStickers[s] = new ObjectSticker(STICKERS[s],null,radii[s],strokes[s]);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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TwistySquare1(int size, Static4D quat, DistortedTexture texture, MeshSquare mesh,
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DistortedEffects effects, int[][] moves, Resources res, int scrWidth)
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{
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super(size, quat, texture, mesh, effects, moves, ObjectList.SQU1, res, scrWidth);
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mLastRot = LAST_SL;
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mPermittedAngles = new int[2][BASIC_ANGLE[0]];
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mCornerQuat = new int[8];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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ObjectShape getObjectShape(int cubit, int numLayers)
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{
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int variant = getCubitVariant(cubit,numLayers);
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if( variant==0 )
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{
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float[][] bands = new float[][] { {0.040f,35,0.8f,1.0f,5,2,1}, {0.020f,35,0.8f,1.0f,5,2,1}, {0.001f,35,0.8f,1.0f,5,2,1} };
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int[] bandIndices = new int[] { 2,2,1,1,0,2 };
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float[][] corners = new float[][] { {0.03f,0.05f} };
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int[] cornerIndices = new int[] { 0,0,0,0,0,0,0,0 };
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float[][] centers = new float[][] { { -0.75f, 0.0f, 0.0f} };
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int[] centerIndices = new int[] { 0,0,0,0,0,0,0,0 };
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return new ObjectShape(VERTICES_MIDDLE,VERT_INDEXES_MIDDLE,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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}
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else if( variant==1 )
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{
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float[][] bands = new float[][] { {0.038f,35,0.5f,0.9f, 5,2,1}, {0.001f,35,0.5f,0.9f, 5,2,1} };
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int[] bandIndices = new int[] { 0,1,0,1,1 };
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float[][] corners = new float[][] { {0.04f,0.15f} };
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int[] cornerIndices = new int[] { 0,0,-1,0,0,-1 };
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float[][] centers = new float[][] { { 0.0f, 0.0f,-0.5f} };
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int[] centerIndices = new int[] { 0,0,-1,0,0,-1 };
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return new ObjectShape(VERTICES_EDGE,VERT_INDEXES_EDGE,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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}
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else
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{
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float[][] bands = new float[][] { {0.038f,35,0.9f,1.0f, 5,2,1}, {0.001f,35,0.9f,1.0f, 5,2,1} };
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int[] bandIndices = new int[] { 0,1,0,0,1,1 };
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float[][] corners = new float[][] { {0.05f,0.13f} };
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int[] cornerIndices = new int[] { 0,0,0,-1,0,0,0,-1 };
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float[][] centers = new float[][] { { -0.5f, 0.0f,-0.5f} };
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int[] centerIndices = new int[] { -1,0,-1,-1,-1,0,-1,-1 };
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return new ObjectShape(VERTICES_CORNER,VERT_INDEXES_CORNER,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private Static4D getQuat(int cubit, int numLayers)
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{
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return QUATS[QUAT_NUMBER[cubit]];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getNumCubitVariants(int numLayers)
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{
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return 3;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getCubitVariant(int cubit, int numLayers)
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{
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return cubit<2 ? 0 : (cubit<10 ? 1:2);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MeshBase createCubitMesh(int cubit, int numLayers)
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{
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int variant = getCubitVariant(cubit,numLayers);
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if( mMeshes==null )
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{
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FactoryCubit factory = FactoryCubit.getInstance();
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factory.clear();
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mMeshes = new MeshBase[getNumCubitVariants(numLayers)];
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}
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if( mMeshes[variant]==null )
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{
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ObjectShape shape = getObjectShape(cubit,numLayers);
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FactoryCubit factory = FactoryCubit.getInstance();
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factory.createNewFaceTransform(shape);
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mMeshes[variant] = factory.createRoundedSolid(shape);
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}
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MeshBase mesh = mMeshes[variant].copy(true);
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MatrixEffectQuaternion quat = new MatrixEffectQuaternion( getQuat(cubit,numLayers), new Static3D(0,0,0) );
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mesh.apply(quat,0xffffffff,0);
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return mesh;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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ObjectSticker retSticker(int face)
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{
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return mStickers[face/NUM_FACES];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float[][] getCubitPositions(int numLayers)
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{
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return CENTERS;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumStickerTypes(int numLayers)
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{
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return NUM_STICKERS;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getFaceColor(int cubit, int cubitface, int numLayers)
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{
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int variant = getCubitVariant(cubit,numLayers);
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return mStickerType[variant][cubitface]*FACE_COLORS.length + mStickerColor[cubit][cubitface];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// this implements the fact that corner cubits have multiple 'centers' and this means the cubit
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// might span more than one layer along a given axis - i.e. that this is a bandaged puzzle.
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int computeBitmapFromRow(int rowBitmap, int axis)
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{
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int bitmap, initBitmap=0;
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while( initBitmap!=rowBitmap )
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{
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initBitmap = rowBitmap;
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for(int cubit=0; cubit<NUM_CUBITS; cubit++)
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{
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bitmap = CUBITS[cubit].mRotationRow[axis];
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if( (rowBitmap & bitmap) != 0 ) rowBitmap |= bitmap;
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}
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}
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return rowBitmap;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean cornerIsUp(int index)
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{
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return ((index<4) ^ (mCornerQuat[index]>=12));
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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|
332
|
|
|
333
|
private boolean cornerIsLeft(int index)
|
|
334
|
{
|
|
335
|
int q = mCornerQuat[index];
|
|
336
|
|
|
337
|
switch(index)
|
|
338
|
{
|
|
339
|
case 0:
|
|
340
|
case 4: return ((q>=3 && q<= 7) || (q>=18 && q<=22));
|
|
341
|
case 1:
|
|
342
|
case 5: return ((q>=6 && q<=10) || (q>=15 && q<=19));
|
|
343
|
case 2:
|
|
344
|
case 6: return ((q==0 || q==1 || (q>=9 && q<=11)) || (q>=12 && q<=16));
|
|
345
|
case 3:
|
|
346
|
case 7: return ((q>=0 && q<=4) || (q==12 || q==13 || (q>=21 && q<=23)));
|
|
347
|
}
|
|
348
|
|
|
349
|
return false;
|
|
350
|
}
|
|
351
|
|
|
352
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
353
|
|
|
354
|
private boolean quatIsBad(int quatIndex, int corner)
|
|
355
|
{
|
|
356
|
int index = (corner%2);
|
|
357
|
|
|
358
|
return ( quatIndex==BAD_CORNER_QUATS[index][0] ||
|
|
359
|
quatIndex==BAD_CORNER_QUATS[index][1] ||
|
|
360
|
quatIndex==BAD_CORNER_QUATS[index][2] ||
|
|
361
|
quatIndex==BAD_CORNER_QUATS[index][3] );
|
|
362
|
}
|
|
363
|
|
|
364
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
365
|
|
|
366
|
private boolean isPermittedDo(int angle)
|
|
367
|
{
|
|
368
|
for(int corner=0; corner<8; corner++)
|
|
369
|
{
|
|
370
|
if( !cornerIsUp(corner) )
|
|
371
|
{
|
|
372
|
int currQuat = mCornerQuat[corner];
|
|
373
|
int finalQuat= QUAT_MULT[angle][currQuat];
|
|
374
|
if( quatIsBad(finalQuat,corner) ) return false;
|
|
375
|
}
|
|
376
|
}
|
|
377
|
|
|
378
|
return true;
|
|
379
|
}
|
|
380
|
|
|
381
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
382
|
|
|
383
|
private boolean isPermittedUp(int angle)
|
|
384
|
{
|
|
385
|
for(int corner=0; corner<8; corner++)
|
|
386
|
{
|
|
387
|
if( cornerIsUp(corner) )
|
|
388
|
{
|
|
389
|
int currQuat = mCornerQuat[corner];
|
|
390
|
int finalQuat= QUAT_MULT[angle][currQuat];
|
|
391
|
if( quatIsBad(finalQuat,corner) ) return false;
|
|
392
|
}
|
|
393
|
}
|
|
394
|
|
|
395
|
return true;
|
|
396
|
}
|
|
397
|
|
|
398
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
399
|
|
|
400
|
private void computePermittedAngles()
|
|
401
|
{
|
|
402
|
mPermittedDo = 0;
|
|
403
|
|
|
404
|
for(int angle=0; angle<BASIC_ANGLE[0]; angle++)
|
|
405
|
{
|
|
406
|
if( isPermittedDo(angle ) ) mPermittedAngles[0][mPermittedDo++] = angle;
|
|
407
|
}
|
|
408
|
|
|
409
|
mPermittedUp = 0;
|
|
410
|
|
|
411
|
for(int angle=0; angle<BASIC_ANGLE[0]; angle++)
|
|
412
|
{
|
|
413
|
if( isPermittedUp(angle ) ) mPermittedAngles[1][mPermittedUp++] = angle;
|
|
414
|
}
|
|
415
|
}
|
|
416
|
|
|
417
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
418
|
|
|
419
|
private int getNextAngle(Random rnd, int layer)
|
|
420
|
{
|
|
421
|
int basic = BASIC_ANGLE[0];
|
|
422
|
int num = layer==0 ? mPermittedDo:mPermittedUp;
|
|
423
|
int index = rnd.nextInt(num);
|
|
424
|
int angle = mPermittedAngles[layer][index];
|
|
425
|
return angle<basic/2 ? -angle : basic-angle;
|
|
426
|
}
|
|
427
|
|
|
428
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
429
|
|
|
430
|
private int getNextAngleNotZero(Random rnd, int layer)
|
|
431
|
{
|
|
432
|
int basic = BASIC_ANGLE[0];
|
|
433
|
int num = layer==0 ? mPermittedDo:mPermittedUp;
|
|
434
|
int index = rnd.nextInt(num-1);
|
|
435
|
int angle = mPermittedAngles[layer][index+1];
|
|
436
|
return angle<basic/2 ? -angle : basic-angle;
|
|
437
|
}
|
|
438
|
|
|
439
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
440
|
|
|
441
|
private int makeQuat(int axis,int index)
|
|
442
|
{
|
|
443
|
if( axis==1 ) return 13;
|
|
444
|
if( index<0 ) index+=12;
|
|
445
|
return index;
|
|
446
|
}
|
|
447
|
|
|
448
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
449
|
|
|
450
|
private boolean cornerBelongs(int index, int axis, int layer)
|
|
451
|
{
|
|
452
|
if( axis==0 )
|
|
453
|
{
|
|
454
|
boolean up = cornerIsUp(index);
|
|
455
|
return ((up && layer==2) || (!up && layer==0));
|
|
456
|
}
|
|
457
|
else
|
|
458
|
{
|
|
459
|
boolean le = cornerIsLeft(index);
|
|
460
|
return ((le && layer==0) || (!le && layer==1));
|
|
461
|
}
|
|
462
|
}
|
|
463
|
|
|
464
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
465
|
|
|
466
|
private void updateCornerQuats(int[] rotInfo)
|
|
467
|
{
|
|
468
|
int axis = rotInfo[0];
|
|
469
|
int layer= rotInfo[1];
|
|
470
|
int index=-rotInfo[2];
|
|
471
|
|
|
472
|
int quat = makeQuat(axis,index);
|
|
473
|
|
|
474
|
for(int corner=0; corner<8; corner++)
|
|
475
|
{
|
|
476
|
if( cornerBelongs(corner,axis,layer) )
|
|
477
|
{
|
|
478
|
int curr = mCornerQuat[corner];
|
|
479
|
mCornerQuat[corner] = QUAT_MULT[quat][curr];
|
|
480
|
}
|
|
481
|
}
|
|
482
|
}
|
|
483
|
|
|
484
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
485
|
// PUBLIC API
|
|
486
|
|
|
487
|
public void randomizeNewScramble(int[][] scramble, Random rnd, int curr, int total)
|
|
488
|
{
|
|
489
|
int layer, nextAngle;
|
|
490
|
|
|
491
|
if( curr==0 )
|
|
492
|
{
|
|
493
|
for(int corner=0; corner<8; corner++) mCornerQuat[corner] = 0;
|
|
494
|
mLastRot = rnd.nextInt(4);
|
|
495
|
computePermittedAngles();
|
|
496
|
}
|
|
497
|
|
|
498
|
switch(mLastRot)
|
|
499
|
{
|
|
500
|
case LAST_SL: layer = rnd.nextInt(2);
|
|
501
|
nextAngle = getNextAngle(rnd,layer);
|
|
502
|
|
|
503
|
if( nextAngle==0 )
|
|
504
|
{
|
|
505
|
layer = 1-layer;
|
|
506
|
nextAngle = getNextAngleNotZero(rnd,layer);
|
|
507
|
}
|
|
508
|
|
|
509
|
scramble[curr][0] = 0;
|
|
510
|
scramble[curr][1] = 2*layer;
|
|
511
|
scramble[curr][2] = nextAngle;
|
|
512
|
mLastRot = layer==0 ? LAST_LO : LAST_UP;
|
|
513
|
updateCornerQuats(scramble[curr]);
|
|
514
|
break;
|
|
515
|
case LAST_LO:
|
|
516
|
case LAST_UP: layer = mLastRot==LAST_LO ? 1:0;
|
|
517
|
nextAngle = getNextAngle(rnd,layer);
|
|
518
|
|
|
519
|
if( nextAngle!=0 )
|
|
520
|
{
|
|
521
|
scramble[curr][0] = 0;
|
|
522
|
scramble[curr][1] = 2*layer;
|
|
523
|
scramble[curr][2] = nextAngle;
|
|
524
|
updateCornerQuats(scramble[curr]);
|
|
525
|
mLastRot = LAST_UL;
|
|
526
|
}
|
|
527
|
else
|
|
528
|
{
|
|
529
|
scramble[curr][0] = 1;
|
|
530
|
scramble[curr][1] = rnd.nextInt(2);
|
|
531
|
scramble[curr][2] = 1;
|
|
532
|
mLastRot = LAST_SL;
|
|
533
|
updateCornerQuats(scramble[curr]);
|
|
534
|
computePermittedAngles();
|
|
535
|
}
|
|
536
|
|
|
537
|
break;
|
|
538
|
case LAST_UL: scramble[curr][0] = 1;
|
|
539
|
scramble[curr][1] = rnd.nextInt(2);
|
|
540
|
scramble[curr][2] = 1;
|
|
541
|
mLastRot = LAST_SL;
|
|
542
|
updateCornerQuats(scramble[curr]);
|
|
543
|
computePermittedAngles();
|
|
544
|
break;
|
|
545
|
}
|
|
546
|
}
|
|
547
|
|
|
548
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
549
|
|
|
550
|
public boolean isSolved()
|
|
551
|
{
|
|
552
|
int index = CUBITS[0].mQuatIndex;
|
|
553
|
|
|
554
|
for(int i=1; i<NUM_CUBITS; i++)
|
|
555
|
{
|
|
556
|
if( CUBITS[i].mQuatIndex != index ) return false;
|
|
557
|
}
|
|
558
|
|
|
559
|
return true;
|
|
560
|
}
|
|
561
|
|
|
562
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
563
|
|
|
564
|
public int getObjectName(int numLayers)
|
|
565
|
{
|
|
566
|
return R.string.squa1;
|
|
567
|
}
|
|
568
|
|
|
569
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
570
|
|
|
571
|
public int getInventor(int numLayers)
|
|
572
|
{
|
|
573
|
return R.string.squa1_inventor;
|
|
574
|
}
|
|
575
|
|
|
576
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
577
|
|
|
578
|
public int getComplexity(int numLayers)
|
|
579
|
{
|
|
580
|
return 9;
|
|
581
|
}
|
|
582
|
}
|