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// Copyright 2021 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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1c327853
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Leszek Koltunski
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// Magic Cube is proprietary software licensed under an EULA which you should have received //
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// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html //
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.helpers;
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import java.util.ArrayList;
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import android.app.Activity;
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import android.content.SharedPreferences;
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import android.view.View;
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import android.widget.LinearLayout;
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import org.distorted.objectlib.helpers.MovesFinished;
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import org.distorted.objectlib.main.ObjectControl;
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import org.distorted.main.R;
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import org.distorted.main.RubikActivity;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class MovesController implements MovesFinished
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{
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private static final int MOVES_PLACE_0 = 100;
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private static final int MILLIS_PER_DEGREE = 6;
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private static class Move
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{
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private final int mAxis, mRow, mAngle;
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Move(int axis, int row, int angle)
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{
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mAxis = axis;
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mRow = row;
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mAngle= angle;
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}
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}
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private final ArrayList<Move> mMoves;
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private boolean mCanPrevMove;
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private ObjectControl mControl;
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private TransparentImageButton mPrevButton;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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public MovesController()
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{
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mCanPrevMove = true;
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mMoves = new ArrayList<>();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getPrevIcon(boolean on)
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{
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if( on )
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{
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return RubikActivity.getDrawable(R.drawable.ui_small_cube_back,
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R.drawable.ui_medium_cube_back,
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R.drawable.ui_big_cube_back,
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R.drawable.ui_huge_cube_back);
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}
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else
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{
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return RubikActivity.getDrawable(R.drawable.ui_small_cube_grey,
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R.drawable.ui_medium_cube_grey,
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R.drawable.ui_big_cube_grey,
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R.drawable.ui_huge_cube_grey);
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////
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public void backMove(Activity act, ObjectControl control)
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{
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if( mCanPrevMove )
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{
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int numMoves = mMoves.size();
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if( numMoves>0 )
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{
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Move move = mMoves.remove(numMoves-1);
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int axis = move.mAxis;
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int angle = move.mAngle;
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if( angle!=0 )
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{
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mCanPrevMove = false;
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mControl = control;
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mControl.blockTouch(MOVES_PLACE_0);
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mControl.addRotation(this, axis, (1<<move.mRow), -angle, MILLIS_PER_DEGREE);
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}
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else
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{
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android.util.Log.e("solution", "error: trying to back move of angle 0");
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}
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if( numMoves==1 ) changeBackMove(act, false);
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void changeBackMove(Activity act, final boolean on)
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{
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act.runOnUiThread(new Runnable()
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{
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@Override
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public void run()
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{
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if( mPrevButton!=null )
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mPrevButton.setIconResource(getPrevIcon(on));
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}
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});
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void addMove(Activity act, int axis, int row, int angle)
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{
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if( mMoves.isEmpty() ) changeBackMove(act,true);
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mMoves.add(new Move(axis,row,angle));
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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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mCanPrevMove = true;
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mControl.unblockTouch();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void clearMoves(final Activity act)
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{
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mMoves.clear();
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changeBackMove(act,false);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int getNumMoves()
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{
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return mMoves.size();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setupButton(final Activity act, ObjectControl control)
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{
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final int icon = getPrevIcon( !mMoves.isEmpty() );
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LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT,1.0f);
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mPrevButton = new TransparentImageButton(act, icon, TransparentImageButton.GRAVITY_MIDDLE, params);
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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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backMove(act,control);
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}
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});
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void savePreferences(String key, SharedPreferences.Editor editor)
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{
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StringBuilder moves = new StringBuilder();
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int numMoves = getNumMoves();
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for(int m=0; m<numMoves; m++)
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{
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Move move = mMoves.get(m);
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if( m>0 ) moves.append(' ');
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moves.append(move.mAxis);
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moves.append(' ');
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moves.append(move.mRow);
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moves.append(' ');
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moves.append(move.mAngle);
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}
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editor.putString( key, moves.toString() );
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editor.apply();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void restorePreferences(Activity act, String key, SharedPreferences preferences)
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{
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String objects = preferences.getString( key,"");
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if( objects.length()>0 )
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{
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String[] tokens = objects.split(" ");
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int length = tokens.length;
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for(int m=0; m<length/3; m++)
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{
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String axis = tokens[3*m ];
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String row = tokens[3*m+1];
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String angle = tokens[3*m+2];
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try
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{
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int axisI = Integer.parseInt(axis);
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int rowI = Integer.parseInt(row);
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int angleI= Integer.parseInt(angle);
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addMove(act,axisI,rowI,angleI);
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}
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catch(NumberFormatException ex)
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{
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// ignore
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android.util.Log.e("D", "exception: "+ex.getMessage());
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}
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public TransparentImageButton getButton()
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{
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return mPrevButton;
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}
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}
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