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magiccube / src / main / java / org / distorted / states / RubikStateSolution.java @ 373fa45f

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2020 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.states;
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import android.content.SharedPreferences;
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import android.util.DisplayMetrics;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.Button;
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import android.widget.ImageButton;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import org.distorted.main.R;
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import org.distorted.main.RubikActivity;
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import org.distorted.main.RubikPostRender;
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import org.distorted.objects.RubikObject;
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import org.distorted.patterns.RubikPattern;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class RubikStateSolution extends RubikStateAbstract implements RubikPostRender.ActionFinishedListener
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  {
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  private static final int DURATION_MILLIS = 750;
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  private Button mBackButton;
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  private ImageButton mPrevButton, mNextButton;
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  private TextView mMovesText;
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  private int[][] mMoves;
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  private int mCurrMove, mNumMoves;
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  private boolean mCanRotate;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  void leaveState(RubikActivity act)
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    {
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    RubikObject object = act.getObject();
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    object.solve();
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  void enterState(final RubikActivity act)
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    {
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    DisplayMetrics metrics = act.getResources().getDisplayMetrics();
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    final float scale = metrics.density;
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    LayoutInflater inflater = act.getLayoutInflater();
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    // TOP ////////////////////////////
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    LinearLayout layoutTop = act.findViewById(R.id.upperBar);
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    layoutTop.removeAllViews();
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    final TextView text = (TextView)inflater.inflate(R.layout.upper_text, null);
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    text.setText(R.string.solution);
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    layoutTop.addView(text);
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    // BOT ////////////////////////////
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    if( mPrevButton==null ) setupPrevButton(act,scale);
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    if( mNextButton==null ) setupNextButton(act,scale);
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    if( mMovesText ==null ) setupTextView(act,scale);
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    LinearLayout layoutLeft = act.findViewById(R.id.mainBarLeft);
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    layoutLeft.removeAllViews();
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    layoutLeft.addView(mPrevButton);
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    layoutLeft.addView(mMovesText);
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    layoutLeft.addView(mNextButton);
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    if( mBackButton==null ) setupBackButton(act,scale);
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    LinearLayout layoutRight = act.findViewById(R.id.mainBarRight);
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    layoutRight.removeAllViews();
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    layoutRight.addView(mBackButton);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void setupPrevButton(final RubikActivity act, final float scale)
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    {
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    int padding = (int)(3*scale + 0.5f);
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    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0,LinearLayout.LayoutParams.MATCH_PARENT,1.0f);
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    mPrevButton = new ImageButton(act);
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    mPrevButton.setLayoutParams(params);
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    mPrevButton.setPadding(padding,0,padding,0);
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    mPrevButton.setImageResource(R.drawable.left);
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    mPrevButton.setOnClickListener( new View.OnClickListener()
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      {
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      @Override
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      public void onClick(View v)
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        {
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        RubikPostRender post = act.getPostRender();
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        backMove(post);
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        mMovesText.setText(act.getString(R.string.mo_placeholder,mCurrMove,mNumMoves));
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        }
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      });
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void setupNextButton(final RubikActivity act, final float scale)
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    {
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    int padding = (int)( 3*scale + 0.5f);
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    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0,LinearLayout.LayoutParams.MATCH_PARENT, 1.0f);
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    mNextButton = new ImageButton(act);
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    mNextButton.setLayoutParams(params);
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    mNextButton.setPadding(padding,0,padding,0);
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    mNextButton.setImageResource(R.drawable.right);
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    mNextButton.setOnClickListener( new View.OnClickListener()
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      {
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      @Override
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      public void onClick(View v)
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        {
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        RubikPostRender post = act.getPostRender();
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        makeMove(post);
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        mMovesText.setText(act.getString(R.string.mo_placeholder,mCurrMove,mNumMoves));
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        }
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      });
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void setupTextView(final RubikActivity act, final float scale)
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    {
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    int padding = (int)( 3*scale + 0.5f);
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    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0,LinearLayout.LayoutParams.MATCH_PARENT,2.0f);
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    mMovesText = new TextView(act);
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    mMovesText.setTextSize(20);
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    mMovesText.setLayoutParams(params);
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    mMovesText.setPadding(padding,0,padding,0);
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    mMovesText.setGravity(Gravity.CENTER);
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    mMovesText.setText(act.getString(R.string.mo_placeholder,mCurrMove,mNumMoves));
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void setupBackButton(final RubikActivity act, final float scale)
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    {
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    int padding = (int)(3*scale + 0.5f);
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    LinearLayout.LayoutParams backParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT);
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    mBackButton = new Button(act);
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    mBackButton.setLayoutParams(backParams);
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    mBackButton.setPadding(padding,0,padding,0);
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    mBackButton.setText(R.string.back);
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    mBackButton.setOnClickListener( new View.OnClickListener()
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      {
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      @Override
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      public void onClick(View v)
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        {
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        RubikState.goBack(act);
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        }
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      });
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void makeMove(RubikPostRender post)
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    {
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    if( mCanRotate )
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      {
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      mCurrMove++;
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      if( mCurrMove>mNumMoves )
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        {
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        mCurrMove= 0;
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        post.initializeObject(null);
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        }
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      else
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        {
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        int axis     = mMoves[mCurrMove-1][0];
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		    int rowBitmap= mMoves[mCurrMove-1][1];
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		    int bareAngle= mMoves[mCurrMove-1][2];
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        int angle    = bareAngle*(360/post.getObject().getBasicAngle());
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        int numRot   = Math.abs(bareAngle);
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        if( angle!=0 )
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          {
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          mCanRotate = false;
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          post.addRotation(this, axis, rowBitmap, angle, numRot*DURATION_MILLIS);
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          }
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        else
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          {
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          android.util.Log.e("solution", "error: solution contains angle 0");
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          }
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        }
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      }
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    else
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      {
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      android.util.Log.e("solution", "failed to make move!");
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void backMove(RubikPostRender post)
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    {
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    if( mCanRotate )
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      {
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      mCurrMove--;
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      if( mCurrMove<0 )
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        {
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        mCurrMove=mNumMoves;
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        post.initializeObject(mMoves);
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        }
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      else
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        {
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        int axis     = mMoves[mCurrMove][0];
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		    int rowBitmap= mMoves[mCurrMove][1];
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		    int bareAngle= mMoves[mCurrMove][2];
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        int angle    = bareAngle*(360/post.getObject().getBasicAngle());
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        int numRot   = Math.abs(bareAngle);
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        if( angle!=0 )
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          {
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          mCanRotate = false;
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          post.addRotation(this, axis, rowBitmap, -angle, numRot*DURATION_MILLIS);
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          }
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        else
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          {
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          android.util.Log.e("solution", "error: solution contains angle 0");
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          }
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        }
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      }
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    else
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      {
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      android.util.Log.e("solution", "failed to back move!");
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  void setupMoves(final RubikActivity act, String moves)
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    {
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    mCanRotate= true;
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    mCurrMove = 0;
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    mNumMoves = moves.length()/4;
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    mMoves    = new int[mNumMoves][3];
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    RubikPattern.parseMoves(mMoves,mNumMoves,moves);
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    mMovesText.setText(act.getString(R.string.mo_placeholder,mCurrMove,mNumMoves));
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void savePreferences(SharedPreferences.Editor editor)
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    {
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    mBackButton= null;
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    mPrevButton= null;
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    mNextButton= null;
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    mMovesText = null;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void restorePreferences(SharedPreferences preferences)
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    {
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void onActionFinished(final long effectID)
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    {
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    mCanRotate = true;
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    }
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  }