Magic Cube

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2019 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Magic Cube.                                                              //

//                                                                                               //

// Magic Cube is free software: you can redistribute it and/or modify                            //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Magic Cube is distributed in the hope that it will be useful,                                 //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Magic Cube.  If not, see <http://www.gnu.org/licenses/>.                           //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.objects;

import android.content.res.Resources;

import android.graphics.Canvas;

import android.graphics.Paint;

import org.distorted.helpers.FactoryCubit;

import org.distorted.helpers.FactorySticker;

import org.distorted.library.effect.MatrixEffectQuaternion;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshBase;

import org.distorted.library.mesh.MeshSquare;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import org.distorted.main.R;

import java.util.Random;

import static org.distorted.objects.TwistyMinx.MINX_DBLUE;

import static org.distorted.objects.TwistyMinx.MINX_DGREEN;

import static org.distorted.objects.TwistyMinx.MINX_DRED;

import static org.distorted.objects.TwistyMinx.MINX_DYELLOW;

import static org.distorted.objects.TwistyMinx.MINX_GREY;

import static org.distorted.objects.TwistyMinx.MINX_LBLUE;

import static org.distorted.objects.TwistyMinx.MINX_LGREEN;

import static org.distorted.objects.TwistyMinx.MINX_ORANGE;

import static org.distorted.objects.TwistyMinx.MINX_PINK;

import static org.distorted.objects.TwistyMinx.MINX_SANDY;

import static org.distorted.objects.TwistyMinx.MINX_VIOLET;

import static org.distorted.objects.TwistyMinx.MINX_WHITE;

///////////////////////////////////////////////////////////////////////////////////////////////////

class TwistyUltimate extends TwistyObject

{

  private static final float A = (float)Math.sqrt(21*SQ5+47);

  private static final float B = SQ6*(5*SQ5+11)/(6*A);

  private static final float C = SQ6*(  SQ5+ 2)/(3*A);

  private static final float D = SQ3/3;

  private static final float E = (SQ5+1)/4;

  private static final float F = (SQ5-1)/4;

  private static final float G = (SQ5+3)/4;

  static final Static3D[] ROT_AXIS = new Static3D[]

         {

           new Static3D( B,0,C ),

           new Static3D( C,B,0 ),

           new Static3D(-D,D,D ),

           new Static3D( 0,C,-B)

         };

  private static final int[] FACE_COLORS = new int[]

         {

           MINX_LGREEN, MINX_PINK   , MINX_SANDY , MINX_LBLUE,

           MINX_ORANGE, MINX_VIOLET , MINX_DGREEN, MINX_DRED ,

           MINX_DBLUE , MINX_DYELLOW, MINX_WHITE , MINX_GREY

         };

  private static final Static4D[] QUATS = new Static4D[]

         {

           new Static4D( 0.0f, 0.0f, 0.0f, 1.0f ),

           new Static4D(-0.5f, 0.5f, 0.5f, 0.5f ),

           new Static4D( 0.5f,-0.5f,-0.5f, 0.5f ),

           new Static4D( 0.0f,    F,   -E, 0.5f ),

           new Static4D( 0.0f,   -F,    E, 0.5f ),

           new Static4D(    E, 0.0f,    F, 0.5f ),

           new Static4D(   -E, 0.0f,   -F, 0.5f ),

           new Static4D(    F,    E, 0.0f, 0.5f ),

           new Static4D(   -F,   -E, 0.0f, 0.5f ),

           new Static4D(    E,    F,-0.5f, 0.0f ),

           new Static4D( 0.5f,   -E,    F, 0.0f ),

           new Static4D(    F, 0.5f,    E, 0.0f )

         };

  // Colors of the faces of cubits. TODO

  private static final int[][] mFaceMap = new int[][]

         {

           { 24,24,24, 36,36,36,36,36 },

           { 24,24,24, 36,36,36,36,36 },

           { 24,24,24, 36,36,36,36,36 },

           { 24,24,24, 36,36,36,36,36 },

           { 24,24,24, 36,36,36,36,36 },

           { 24,24,24, 36,36,36,36,36 },

           { 24,24,24, 36,36,36,36,36 },

           { 24,24,24, 36,36,36,36,36 },

           {  0, 0,12,12, 36,36,36,36 },

           {  0, 0,12,12, 36,36,36,36 },

           {  0, 0,12,12, 36,36,36,36 },

           {  0, 0,12,12, 36,36,36,36 },

           {  0, 0,12,12, 36,36,36,36 },

           {  0, 0,12,12, 36,36,36,36 }

         };

  // centers of the 14 cubits.

  static final float[][] CENTERS = new float[][]

         {

           { 0.0f,-0.5f,    G },

           {   -E,    E,    E },

           {    G, 0.0f, 0.5f },

           {-0.5f,   -G, 0.0f },

           { 0.0f, 0.5f,   -G },

           {    E,   -E,   -E },

           {   -G, 0.0f,-0.5f },

           { 0.5f,    G, 0.0f },

           {        E/2, (E+0.5f)/2,    (E+G)/2 },

           {   -(E+G)/2,       -E/2, (E+0.5f)/2 },

           { (E+0.5f)/2,   -(E+G)/2,        E/2 },

           {       -E/2,-(E+0.5f)/2,   -(E+G)/2 },

           {    (E+G)/2,        E/2,-(E+0.5f)/2 },

           {-(E+0.5f)/2,    (E+G)/2,       -E/2 }

         };

  static final int[] QUAT_INDEX = new int[]

         {

           0,      11,11,11,11, 6,1,2, // TODO the four middle ones

           0,1,4,9,5,2

         };

  private static final double[][] VERTICES_SMALL = new double[][]

         {

           { 0.0       ,  0.0      , 0.0       },

           { -0.5*E    , 0.5*E+0.25, -0.25     },

           {-0.25      , -E/2      , (-2*E-1)/4},

           { 0.5*E+0.25, 0.25      , -E/2      },

           { 0.0       , 0.5       , -E-0.5    },

           { 0.0       , 0.5       , 0.0       },

           { -0.5*E    ,-0.5*E+0.25, -0.25     },

           {  0.5*E    ,-0.5*E+0.25, -0.25     }

         };

  private static final int[][] VERT_INDEXES_SMALL = new int[][]

         {

           {6,0,5,1},   // counterclockwise!

           {0,7,3,5},

           {0,6,2,7},

           {4,3,5,1},

           {4,2,7,3},

           {4,1,6,2},

         };

  private static final double[][] VERTICES_BIG = new double[][]

         {

           {-E/2     ,-E/2+0.25,     0.25},

           { E/2     , E/2-0.25,    -0.25},

           {-E       ,     0.00,     0.00},

           {     0.25, E/2     ,-E/2-0.25},

           {-E/2     ,-E/2-0.25,     0.25},

           { E/2+0.25,    -0.25,-E/2     },

           {-E       ,    -0.50,     0.00},

           {     0.50,     0.00,-E       },

           {-E  +0.25, E/2     ,-E/2-0.25},

           {     0.25,-E/2-0.50,-E/2+0.25},

           {-E/2     ,-E/2-0.25,-E  -0.25}

         };

  private static final int[][] VERT_INDEXES_BIG = new int[][]

         {

           {0,1,3,8,2},   // counterclockwise!

           {0,4,9,5,1},

           { 0,2,6,4},

           { 1,5,7,3},

           {10,9,4,6},

           {10,9,5,7},

           {10,8,3,7},

           {10,8,2,6}

         };

  private static final float[][] STICKERS = new float[][]

         {

           { -0.14400357f, -0.47894150f, 0.50000000f,-0.011045523f, 0.37700626f, 0.36749030f,-0.26699730f, 0.36749026f, -0.46600536f, -0.24499352f }, // Big cubit 1st

           {  0.36327127f,  0.26393202f,-0.36327127f, 0.500000000f,-0.36327127f,-0.26393202f, 0.36327127f,-0.50000000f },                             // Big cubit 2nd

           { -0.29389262f, -0.50000000f, 0.29389262f,-0.309017000f, 0.29389262f, 0.30901700f,-0.29389262f, 0.50000000f },                             // Small cubit 1st

         };

  private static MeshBase[] mMeshes;

///////////////////////////////////////////////////////////////////////////////////////////////////

  TwistyUltimate(int size, Static4D quat, DistortedTexture texture,

                 MeshSquare mesh, DistortedEffects effects, int[][] moves, Resources res, int scrWidth)

    {

    super(size, size, quat, texture, mesh, effects, moves, ObjectList.ULTI, res, scrWidth);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  MeshBase createCubitMesh(int cubit, int numLayers)

    {

    if( mMeshes==null )

      {

      FactoryCubit factory = FactoryCubit.getInstance();

      factory.clear();

      mMeshes = new MeshBase[2];

      }

    MeshBase mesh;

    if( cubit<8 )

      {

      if( mMeshes[0]==null )

        {

        float[][] bands= new float[][]

          {

             {0.04f,17,0.5f,0.2f,5,  2,2},

             {0.01f, 1,0.5f,0.2f,5,  2,2}

          };

        int[] bandIndexes   = new int[] { 0,0,0,1,1,1 };

        float[][] corners   = new float[][] {  { 0.013f, 0.08f } };

        int[] cornerIndexes = new int[] { 0, 0, 0, 0,-1, 0, 0, 0 };

        float[][] centers   = new float[][] { { 0.0f,-0.5f, -(SQ5+3)/4 } };

        int[] centerIndexes = new int[] { 0,0,0,0,0,0,0,0 };

        FactoryCubit factory = FactoryCubit.getInstance();

        factory.createNewFaceTransform(VERTICES_SMALL,VERT_INDEXES_SMALL);

        mMeshes[0] = factory.createRoundedSolid(VERTICES_SMALL, VERT_INDEXES_SMALL,

                                                bands, bandIndexes,

                                                corners, cornerIndexes,

                                                centers, centerIndexes,

                                                getNumCubitFaces() );

        }

      mesh = mMeshes[0].copy(true);

      }

    else

      {

      if( mMeshes[1]==null )

        {

        float[][] bands= new float[][]

          {

            {0.04f,17,0.5f,0.2f,5,  2,2},

            {0.04f,17,0.5f,0.2f,5,  2,2},

            {0.01f, 1,0.5f,0.2f,5,  2,2}

          };

        int[] bandIndexes   = new int[] { 0,0,1,1,2,2,2,2 };

        float[][] corners   = new float[][] { { 0.013f, 0.08f } };

        int[] cornerIndexes = new int[] { 0,0,0,0,0,0,0,0,0,0,-1 };

        float[][] centers   = new float[][] { { -(SQ5+1)/8, 0.25f, -(SQ5+5)/8 } };

        int[] centerIndexes = new int[] { 0,0,0,0,0,0,0,0,0,0,0 };

        FactoryCubit factory = FactoryCubit.getInstance();

        factory.createNewFaceTransform(VERTICES_BIG,VERT_INDEXES_BIG);

        mMeshes[1] = factory.createRoundedSolid(VERTICES_BIG, VERT_INDEXES_BIG,

                                                bands, bandIndexes,

                                                corners, cornerIndexes,

                                                centers, centerIndexes,

                                                getNumCubitFaces() );

        }

      mesh = mMeshes[1].copy(true);

      }

    Static4D q = QUATS[getQuat(cubit)];

    MatrixEffectQuaternion quat = new MatrixEffectQuaternion( q, new Static3D(0,0,0) );

    mesh.apply(quat,0xffffffff,0);

    return mesh;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  float[][] getCubitPositions(int numLayers)

    {

    return CENTERS;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private int getQuat(int cubit)

    {

    return QUAT_INDEX[cubit];

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  void createFaceTexture(Canvas canvas, Paint paint, int face, int left, int top)

    {

    int COLORS = FACE_COLORS.length;

    int stickerType = face/COLORS;

    float R,S;

    switch(stickerType)

      {

      case 0:  R = 0.09f; S = 0.08f; break;

      case 1:  R = 0.10f; S = 0.08f; break;

      case 2:  R = 0.11f; S = 0.08f; break;

      default: R = 0.00f; S = 0.00f; break;

      }

    FactorySticker factory = FactorySticker.getInstance();

    factory.drawRoundedPolygon(canvas, paint, left, top, STICKERS[stickerType], S, FACE_COLORS[face%COLORS], R);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  int getFaceColor(int cubit, int cubitface, int size)

    {

    return mFaceMap[cubit][cubitface];

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  float returnMultiplier()

    {

    return 1.0f;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  Static4D[] getQuats()

    {

    return QUATS;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  boolean shouldResetTextureMaps()

    {

    return false;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  int getNumFaces()

    {

    return FACE_COLORS.length;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  float[] getCuts(int numLayers)

    {

    float[] cuts = new float[1];

    cuts[0] = 0.0f;

    return cuts;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  int getNumStickerTypes(int numLayers)

    {

    return STICKERS.length;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  int getNumCubitFaces()

    {

    return 8;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  float getScreenRatio()

    {

    return 0.5f;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  float[] getRowChances(int numLayers)

    {

    float[] chances = new float[2];

    chances[0] = 0.5f;

    chances[1] = 1.0f;

    return chances;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

// PUBLIC API

  public Static3D[] getRotationAxis()

    {

    return ROT_AXIS;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getBasicAngle()

    {

    return 3;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void randomizeNewScramble(int[][] scramble, Random rnd, int num)

    {

    if( num==0 )

      {

      scramble[num][0] = rnd.nextInt(ROTATION_AXIS.length);

      }

    else

      {

      int newVector = rnd.nextInt(ROTATION_AXIS.length-1);

      scramble[num][0] = (newVector>=scramble[num-1][0] ? newVector+1 : newVector);

      }

    float rowFloat = rnd.nextFloat();

    for(int row=0; row<mRowChances.length; row++)

      {

      if( rowFloat<=mRowChances[row] )

        {

        scramble[num][1] = row;

        break;

        }

      }

    switch( rnd.nextInt(2) )

      {

      case 0: scramble[num][2] =  1; break;

      case 1: scramble[num][2] = -1; break;

      }

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public boolean isSolved()

    {

    int index = CUBITS[0].mQuatIndex;

    for(int i=1; i<NUM_CUBITS; i++)

      {

      if( CUBITS[i].mQuatIndex != index ) return false;

      }

    return true;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

// only needed for solvers - there are no Skewb Ultimate solvers ATM)

  public String retObjectString()

    {

    return "";

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getObjectName(int numLayers)

    {

    return R.string.ulti2;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getInventor(int numLayers)

    {

    return R.string.ulti2_inventor;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getComplexity(int numLayers)

    {

    return 6;

    }

}