Magic Cube

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

// Copyright 2019 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted 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.                                                           //

//                                                                                               //

// Distorted 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 Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

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

package org.distorted.magic;

import android.content.SharedPreferences;

import android.graphics.PorterDuff;

import android.graphics.drawable.Drawable;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.preference.PreferenceManager;

import android.support.v4.content.ContextCompat;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import org.distorted.component.HorizontalNumberPicker;

import org.distorted.library.main.DistortedLibrary;

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

public class RubikActivity extends AppCompatActivity

{

            static final int DEFAULT_SIZE  = 3;

    private static final int SMALLEST_SIZE = 2;

    private static final int[] button_ids  = {R.id.rubikSize2, R.id.rubikSize3, R.id.rubikSize4};

    public static final int MIN_SCRAMBLE =  1;

    public static final int MAX_SCRAMBLE = 10;

    private static int mSize = DEFAULT_SIZE;

    private HorizontalNumberPicker mPicker;

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

    @Override

    protected void onCreate(Bundle savedState)

      {

      super.onCreate(savedState);

      setTheme(R.style.CustomActivityThemeNoActionBar);

      setContentView(R.layout.main);

      markButton(mSize);

      mPicker = findViewById(R.id.rubikNumberPicker);

      mPicker.setMin(MIN_SCRAMBLE);

      mPicker.setMax(MAX_SCRAMBLE);

      restorePreferences();

      }

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

    @Override

    protected void onPause() 

      {

      GLSurfaceView view = findViewById(R.id.rubikSurfaceView);

      view.onPause();

      DistortedLibrary.onPause();

      savePreferences();

      super.onPause();

      }

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

    @Override

    protected void onResume() 

      {

      super.onResume();

      GLSurfaceView view = findViewById(R.id.rubikSurfaceView);

      view.onResume();

      }

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

    @Override

    protected void onDestroy() 

      {

      DistortedLibrary.onDestroy();

      super.onDestroy();

      }

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

    static int getSize()

      {

      return mSize;

      }

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

    public void Settings(View v)

      {

      RubikSettings settings = new RubikSettings();

      settings.show(getSupportFragmentManager(), null);

      }

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

    public void About(View v)

      {

      RubikAbout about = new RubikAbout();

      about.show(getSupportFragmentManager(), null);

      }

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

    public void Scramble(View v)

      {

      int scramble = mPicker.getValue();

      RubikSurfaceView view = findViewById(R.id.rubikSurfaceView);

      view.getRenderer().scrambleCube(scramble);

      }

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

    public void Solve(View v)

      {

      RubikSurfaceView view = findViewById(R.id.rubikSurfaceView);

      view.getRenderer().solveCube();

      }

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

    public void setSize(View v)

      {

      int size=0, id = v.getId();

      for(int b=0; b<button_ids.length; b++)

        if( button_ids[b] == id )

          {

          size = b+SMALLEST_SIZE;

          break;

          }

      RubikSurfaceView view = findViewById(R.id.rubikSurfaceView);

      boolean success = view.getRenderer().createCube(size);

      if( success )

        {

        markButton(size);

        }

      }

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

   private void markButton(int size)

     {

     mSize = size;

     for(int b=0; b<button_ids.length; b++)

       {

       Drawable d = findViewById(button_ids[b]).getBackground();

       if( size == b+SMALLEST_SIZE )

         {

         d.setColorFilter(ContextCompat.getColor(this,R.color.red), PorterDuff.Mode.MULTIPLY);

         }

       else

         {

         d.clearColorFilter();

         }

       }

     }

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

   private void savePreferences()

     {

     SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);

     SharedPreferences.Editor editor = preferences.edit();

     for (int i=0; i<RubikSettingsEnum.LENGTH; i++)

       {

       RubikSettingsEnum.getEnum(i).savePreferences(editor);

       }

     editor.putInt("scramble", mPicker.getValue() );

     editor.apply();

     }

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

   private void restorePreferences()

     {

     SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);

     for (int i=0; i<RubikSettingsEnum.LENGTH; i++)

       {

       RubikSettingsEnum.getEnum(i).restorePreferences(preferences);

       }

     int scramble= preferences.getInt("scramble", MIN_SCRAMBLE);

     mPicker.setValue(scramble);

     }

}