Magic Cube

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

// Copyright 2020 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 org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshRectangles;

import org.distorted.library.type.Static4D;

import org.distorted.main.R;

import java.lang.reflect.Field;

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

public enum RubikObjectList

  {

  CUBE (

         new int[][] {

                       {2 , R.drawable.cube2} ,

                       {3 , R.drawable.cube3} ,

                       {4 , R.drawable.cube4} ,

                       {5 , R.drawable.cube5}

                     },

         RubikCube.class,

         new RubikCubeMovement()

       ),

  PYRA (

         new int[][] {

                       {3 , R.drawable.pyra3} ,

                       {4 , R.drawable.pyra4} ,

                       {5 , R.drawable.pyra5}

                     },

         RubikPyraminx.class,

         new RubikPyraminxMovement()

       ),

  ;

  public static final int NUM_OBJECTS = values().length;

  public static final int MAX_SIZE;

  private final int[] mObjectSizes, mIconIDs;

  private final Class<? extends RubikObject> mObjectClass;

  private final RubikObjectMovement mObjectMovementClass;

  private static final RubikObjectList[] objects;

  private static int mNumAll;

  static

    {

    mNumAll = 0;

    int size, i = 0;

    objects = new RubikObjectList[NUM_OBJECTS];

    int maxsize = Integer.MIN_VALUE;

    for(RubikObjectList object: RubikObjectList.values())

      {

      objects[i] = object;

      i++;

      size = object.mObjectSizes.length;

      mNumAll += size;

      if( size> maxsize ) maxsize = size;

      }

    MAX_SIZE = maxsize;

    }

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

  public static RubikObjectList getObject(int ordinal)

    {

    return objects[ordinal];

    }

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

  public static int pack(int object, int sizeIndex)

    {

    int ret = 0;

    for(int i=0; i<object; i++) ret += objects[i].mObjectSizes.length;

    return ret+sizeIndex;

    }

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

  public static int unpackSize(int number)

    {

    int num;

    for(int i=0; i<NUM_OBJECTS; i++)

      {

      num = objects[i].mObjectSizes.length;

      if( number<num ) return number;

      number -= num;

      }

    return -1;

    }

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

  public static int unpackObject(int number)

    {

    int num;

    for(int i=0; i<NUM_OBJECTS; i++)

      {

      num = objects[i].mObjectSizes.length;

      if( number<num ) return i;

      number -= num;

      }

    return -1;

    }

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

  public static int unpackObjectFromString(String obj)

    {

    int u = obj.indexOf('_');

    int l = obj.length();

    if( u>0 )

      {

      String name = obj.substring(0,u);

      int size = Integer.parseInt( obj.substring(u+1,l) );

      for(int i=0; i<NUM_OBJECTS; i++)

        {

        if( objects[i].name().equals(name) )

          {

          int sizeIndex = getSizeIndex(i,size);

          return pack(i,sizeIndex);

          }

        }

      }

    return -1;

    }

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

  public static String getObjectList()

    {

    String name;

    StringBuilder list = new StringBuilder();

    int len;

    int[] sizes;

    for(int i=0; i<NUM_OBJECTS; i++)

      {

      sizes = objects[i].mObjectSizes;

      len   = sizes.length;

      name  = objects[i].name();

      for(int j=0; j<len; j++)

        {

        if( i>0 || j>0 ) list.append(',');

        list.append(name);

        list.append('_');

        list.append(sizes[j]);

        }

      }

    return list.toString();

    }

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

  public static int getTotal()

    {

    return mNumAll;

    }

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

  public static int getOrdinal(String name)

    {

    for(int i=0; i<NUM_OBJECTS; i++)

      {

      if(objects[i].name().equals(name)) return i;

      }

    return -1;

    }

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

  public static int getSizeIndex(int ordinal, int size)

    {

    int[] sizes = objects[ordinal].getSizes();

    int len = sizes.length;

    for(int i=0; i<len; i++)

      {

      if( sizes[i]==size ) return i;

      }

    return -1;

    }

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

  public static int[] retFaceColors(RubikObjectList object)

    {

    Field field;

    int[] faceColors=null;

    try

      {

      field = object.mObjectClass.getDeclaredField("FACE_COLORS");

      field.setAccessible(true);

      Object obj = field.get(null);

      faceColors = (int[]) obj;

      }

    catch(NoSuchFieldException ex)

      {

      android.util.Log.e("RubikObjectList", object.mObjectClass.getSimpleName()+": no such field exception getting field: "+ex.getMessage());

      }

    catch(IllegalAccessException ex)

      {

      android.util.Log.e("RubikObjectList", object.mObjectClass.getSimpleName()+": illegal access exception getting field: "+ex.getMessage());

      }

    return faceColors;

    }

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

  RubikObjectList(int[][] info, Class<? extends RubikObject> object , RubikObjectMovement movement)

    {

    int length = info.length;

    mObjectSizes= new int[length];

    mIconIDs    = new int[length];

    for(int i=0; i<length; i++)

      {

      mObjectSizes[i] = info[i][0];

      mIconIDs[i]     = info[i][1];

      }

    mObjectClass         = object;

    mObjectMovementClass = movement;

    }

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

  public int[] getIconIDs()

    {

    return mIconIDs;

    }

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

  public int[] getSizes()

    {

    return mObjectSizes;

    }

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

  public RubikObject create(int size, Static4D quatCur, Static4D quatAcc, int[][] moves)

    {

    DistortedTexture texture = new DistortedTexture();

    DistortedEffects effects = new DistortedEffects();

    MeshRectangles mesh      = new MeshRectangles(20,20);   // mesh of the node, not of the cubits

    switch(ordinal())

      {

      case 0: return new RubikCube    (size, quatCur, quatAcc, texture, mesh, effects, moves);

      case 1: return new RubikPyraminx(size, quatCur, quatAcc, texture, mesh, effects, moves);

      }

    return null;

    }

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

  public RubikObjectMovement getObjectMovementClass()

    {

    return mObjectMovementClass;

    }

  }