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.scores;

import android.content.SharedPreferences;

import org.distorted.object.RubikObjectList;

import static org.distorted.object.RubikObjectList.MAX_SIZE;

import static org.distorted.object.RubikObjectList.NUM_OBJECTS;

import static org.distorted.uistate.RubikStatePlay.MAX_SCRAMBLE;

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

// hold my own scores

public class RubikScores

  {

  private static final long NO_RECORD = Integer.MAX_VALUE;

  private static RubikScores mThis;

  private long[][][] mRecords;

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

  private RubikScores()

    {

    mRecords = new long[NUM_OBJECTS][MAX_SIZE][MAX_SCRAMBLE];

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

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

        for(int k=0; k<MAX_SCRAMBLE; k++)

          {

          mRecords[i][j][k] = NO_RECORD;

          }

    }

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

  public static RubikScores getInstance()

    {

    if( mThis==null )

      {

      mThis = new RubikScores();

      }

    return mThis;

    }

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

  public void savePreferences(SharedPreferences.Editor editor)

    {

    StringBuilder builder = new StringBuilder();

    RubikObjectList list;

    int[] sizes;

    int length;

    for(int scramble=0; scramble<MAX_SCRAMBLE; scramble++)

      {

      builder.setLength(0);

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

        {

        list = RubikObjectList.getObject(object);

        sizes = list.getSizes();

        length = sizes.length;

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

          {

          builder.append(list.name());

          builder.append("_");

          builder.append(sizes[size]);

          builder.append("=");

          builder.append(mRecords[object][size][scramble]);

          builder.append(" ");

          }

        }

      editor.putString("record"+scramble, builder.toString());

      }

    }

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

  public void restorePreferences(SharedPreferences preferences)

    {

    String recordStr, subStr, nameStr, sizeStr, timeStr;

    int start, end, equals, underscore;

    int object, size, time;

    for(int scramble=0; scramble<MAX_SCRAMBLE; scramble++)

      {

      start = end = 0;

      recordStr = preferences.getString("record"+scramble, "");

      //android.util.Log.e("solving", scramble+" record string: "+recordStr);

      while( end!=-1 )

        {

        end = recordStr.indexOf(" ", start);

        if( end==-1 ) subStr = recordStr.substring(start);

        else          subStr = recordStr.substring(start,end);

        start = end+1;

        underscore = subStr.indexOf("_");

        equals = subStr.indexOf("=");

        if( underscore>=0 && equals>=0 )

          {

          nameStr = subStr.substring(0,underscore);

          sizeStr = subStr.substring(underscore+1, equals);

          timeStr = subStr.substring(equals+1);

          object = RubikObjectList.getOrdinal(nameStr);

          size   = RubikObjectList.getSize(object,Integer.parseInt(sizeStr));

          time   = Integer.parseInt(timeStr);

          if( object>=0 && object< NUM_OBJECTS && size>=0 && size<MAX_SIZE )

            {

            mRecords[object][size][scramble] = time;

            if( time<Integer.MAX_VALUE )

              {

              android.util.Log.e("solv", "Set record for: object="+object+" size="+size+" scramble="+scramble+" time: "+time);

              }

            }

          else

            {

            android.util.Log.e("solv", "error: object="+object+" size="+size);

            }

          }

        }

      }

    }

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

  public void newRecord(int object, int size, int scramble, long timeTaken)

    {

    int maxsize = RubikObjectList.getObject(object).getSizes().length;

    if( object>=0 && object<NUM_OBJECTS && size>=0 && size<maxsize && scramble>=1 && scramble<=MAX_SCRAMBLE )

      {

      if( mRecords[object][size][scramble-1]> timeTaken )

        {

        mRecords[object][size][scramble-1] = timeTaken;

        android.util.Log.e("RubikScores","new record: ("+object+","+size+","+scramble+") ="+timeTaken);

        }

      }

    }

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

  public long getRecord(int object, int size, int scramble)

    {

    int maxsize = RubikObjectList.getObject(object).getSizes().length;

    if( object>=0 && object<NUM_OBJECTS && size>=0 && size<maxsize && scramble>=1 && scramble<=MAX_SCRAMBLE )

      {

      return mRecords[object][size][scramble];

      }

    return -1;

    }

  }