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.magic;

import android.content.SharedPreferences;

import android.os.Bundle;

import org.distorted.dialog.RubikDialogNewRecord;

import org.distorted.dialog.RubikDialogSolved;

import org.distorted.effect.BaseEffect;

import org.distorted.library.message.EffectListener;

import org.distorted.object.RubikObject;

import org.distorted.object.RubikObjectList;

import org.distorted.scores.RubikScores;

import org.distorted.uistate.RubikState;

import org.distorted.uistate.RubikStateSolving;

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

public class RubikPostRender implements EffectListener

  {

  public interface ActionFinishedListener

    {

    void onActionFinished(long effectID);

    }

  private RubikSurfaceView mView;

  private boolean mFinishRotation, mRemoveRotation, mAddRotation, mSetQuatCurrent, mSetQuatAccumulated;

  private boolean mChangeObject, mSolveObject, mScrambleObject;

  private boolean mCanRotate, mCanDrag, mCanUI;

  private boolean mIsSolved;

  private RubikObjectList mNextObject;

  private int mNextSize;

  private long mRotationFinishedID;

  private long[] mEffectID;

  private boolean mIsNewRecord;

  private long mNewRecord;

  private int mScreenWidth, mScreenHeight;

  private SharedPreferences mPreferences;

  private int[][] mNextMoves;

  private RubikObject mOldObject, mNewObject;

  private int mScrambleObjectNum;

  private int mAddRotationAxis, mAddRotationRowBitmap, mAddRotationAngle;

  private long mAddRotationDuration;

  private ActionFinishedListener mAddActionListener;

  private long mAddRotationID;

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

  RubikPostRender(RubikSurfaceView view)

    {

    mView = view;

    mFinishRotation     = false;

    mRemoveRotation     = false;

    mAddRotation        = false;

    mSetQuatCurrent     = false;

    mSetQuatAccumulated = false;

    mChangeObject       = false;

    mSolveObject        = false;

    mScrambleObject     = false;

    mCanRotate   = true;

    mCanDrag     = true;

    mCanUI       = true;

    mOldObject = null;

    mNewObject = null;

    mScreenWidth = mScreenHeight = 0;

    mScrambleObjectNum = 0;

    mEffectID = new long[BaseEffect.Type.LENGTH];

    }

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

  private void createObjectNow(RubikObjectList object, int size, int[][] moves)

    {

    boolean firstTime = (mNewObject==null);

    if( mOldObject!=null ) mOldObject.releaseResources();

    mOldObject = mNewObject;

    mNewObject = object.create(size, mView.getQuatCurrent(), mView.getQuatAccumulated(), moves);

    mNewObject.createTexture();

    mView.setMovement(object.getObjectMovementClass());

    if( firstTime ) mNewObject.restorePreferences(mPreferences);

    if( mScreenWidth!=0 )

      {

      mNewObject.recomputeScaleFactor(mScreenWidth, mScreenHeight);

      }

    mIsSolved = true;

    }

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

// do all 'adjustable' effects (SizeChange, Solve, Scramble)

  private void doEffectNow(BaseEffect.Type type)

    {

    int index = type.ordinal();

    try

      {

      mEffectID[index] = type.startEffect(mView.getRenderer().getScreen(),this);

      }

    catch( Exception ex )

      {

      android.util.Log.e("renderer", "exception starting effect: "+ex.getMessage());

      mCanUI     = true;

      mCanRotate = true;

      mCanDrag   = true;

      }

    }

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

  private void removeRotationNow()

    {

    mRemoveRotation=false;

    mNewObject.removeRotationNow();

    boolean solved = mNewObject.isSolved();

    if( solved && !mIsSolved )

      {

      if( RubikState.getCurrentState()==RubikState.SOLV )

        {

        RubikStateSolving solving = (RubikStateSolving)RubikState.SOLV.getStateClass();

        mNewRecord = solving.stopCounting((RubikActivity)mView.getContext());

        if( mNewRecord< 0 )

          {

          mNewRecord = -mNewRecord;

          mIsNewRecord = false;

          }

        else

          {

          mIsNewRecord = true;

          }

        }

      mCanDrag   = true;

      mCanRotate = false;

      mCanUI     = false;

      doEffectNow( BaseEffect.Type.WIN );

      }

    else

      {

      mCanRotate = true;

      mCanUI     = true;

      }

    mIsSolved = solved;

    }

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

  private void removeRotation()

    {

    mRemoveRotation = true;

    }

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

  private void addRotationNow()

    {

    mAddRotation = false;

    mAddRotationID = mNewObject.addNewRotation( mAddRotationAxis, mAddRotationRowBitmap,

                                                mAddRotationAngle, mAddRotationDuration, this);

    }

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

  private void finishRotationNow()

    {

    mFinishRotation = false;

    mCanRotate      = false;

    mCanUI          = false;

    mRotationFinishedID = mNewObject.finishRotationNow(this);

    if( mRotationFinishedID==0 ) // failed to add effect - should never happen

      {

      mCanRotate = true;

      mCanUI     = true;

      }

    }

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

  private void changeObjectNow()

    {

    mChangeObject = false;

    if ( mNewObject==null || mNewObject.getObjectList()!=mNextObject || mNewObject.getSize()!=mNextSize)

      {

      mCanDrag      = false;

      mCanRotate    = false;

      mCanUI        = false;

      createObjectNow(mNextObject, mNextSize, mNextMoves);

      doEffectNow( BaseEffect.Type.SIZECHANGE );

      }

    else

      {

      mNewObject.initializeObject(mNextMoves);

      }

    }

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

  private void scrambleObjectNow()

    {

    mScrambleObject = false;

    mCanDrag        = false;

    mCanRotate      = false;

    mCanUI          = false;

    mIsSolved       = false;

    RubikScores.getInstance().incrementNumPlays();

    doEffectNow( BaseEffect.Type.SCRAMBLE );

    }

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

  private void solveObjectNow()

    {

    mSolveObject    = false;

    mCanDrag        = false;

    mCanRotate      = false;

    mCanUI          = false;

    doEffectNow( BaseEffect.Type.SOLVE );

    }

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

  private void setQuatCurrentNow()

    {

    mSetQuatCurrent = false;

    mView.setQuatCurrent();

    }

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

  private void setQuatAccumulatedNow()

    {

    mSetQuatAccumulated = false;

    mView.setQuatAccumulated();

    }

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

//

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

  void setScreenSize(int width, int height)

    {

    if( mNewObject!=null )

      {

      mNewObject.createTexture();

      mNewObject.recomputeScaleFactor(width,height);

      }

    mScreenHeight = height;

    mScreenWidth  = width;

    }

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

  void savePreferences(SharedPreferences.Editor editor)

    {

    if( mNewObject!=null )

      {

      mNewObject.savePreferences(editor);

      }

    }

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

  void restorePreferences(SharedPreferences preferences)

    {

    mPreferences = preferences;

    }

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

  void finishRotation()

    {

    mFinishRotation = true;

    }

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

  void changeObject(RubikObjectList object, int size, int[][] moves)

    {

    if( size>0 )

      {

      mChangeObject = true;

      mNextObject = object;

      mNextSize   = size;

      mNextMoves  = moves;

      }

    }

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

  void scrambleObject(int num)

    {

    if( mCanUI )

      {

      mScrambleObject = true;

      mScrambleObjectNum = num;

      }

    }

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

  void solveObject()

    {

    if( mCanUI )

      {

      mSolveObject = true;

      }

    }

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

  boolean canRotate()

    {

    return mCanRotate;

    }

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

  boolean canDrag()

    {

    return mCanDrag;

    }

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

  void setQuatCurrentOnNextRender()

    {

    mSetQuatCurrent = true;

    }

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

  void setQuatAccumulatedOnNextRender()

    {

    mSetQuatAccumulated = true;

    }

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

  void postRender()

    {

    if( mSetQuatCurrent     ) setQuatCurrentNow();

    if( mSetQuatAccumulated ) setQuatAccumulatedNow();

    if( mFinishRotation     ) finishRotationNow();

    if( mRemoveRotation     ) removeRotationNow();

    if( mChangeObject       ) changeObjectNow();

    if( mSolveObject        ) solveObjectNow();

    if( mScrambleObject     ) scrambleObjectNow();

    if( mAddRotation        ) addRotationNow();

    }

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

// PUBLIC API

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

  public void addRotation(ActionFinishedListener listener, int axis, int rowBitmap, int angle, long duration)

    {

    mAddRotation = true;

    mAddActionListener    = listener;

    mAddRotationAxis      = axis;

    mAddRotationRowBitmap = rowBitmap;

    mAddRotationAngle     = angle;

    mAddRotationDuration  = duration;

    }

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

  public RubikObject getObject()

    {

    return mNewObject;

    }

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

  public RubikObject getOldObject()

    {

    return mOldObject;

    }

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

  public int getNumScrambles()

    {

    return mScrambleObjectNum;

    }

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

  public void effectFinished(final long effectID)

    {

    if( effectID == mRotationFinishedID )

      {

      mRotationFinishedID = 0;

      removeRotation();

      }

    else if( effectID == mAddRotationID )

      {

      mAddRotationID = 0;

      mAddActionListener.onActionFinished(effectID);

      }

    else

      {

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

        {

        if( effectID == mEffectID[i] )

          {

          mCanRotate   = true;

          mCanDrag     = true;

          mCanUI       = true;

          if( i==BaseEffect.Type.SCRAMBLE.ordinal() )

            {

            final RubikActivity act = (RubikActivity)mView.getContext();

            act.runOnUiThread(new Runnable()

              {

              @Override

              public void run()

                {

                RubikState.switchState( act, RubikState.SOLV);

                }

              });

            }

          if( i==BaseEffect.Type.WIN.ordinal() )

            {

            if( RubikState.getCurrentState()==RubikState.SOLV )

              {

              final RubikActivity act = (RubikActivity)mView.getContext();

              Bundle bundle = new Bundle();

              bundle.putLong("time", mNewRecord );

              if( mIsNewRecord )

                {

                RubikDialogNewRecord dialog = new RubikDialogNewRecord();

                dialog.setArguments(bundle);

                dialog.show( act.getSupportFragmentManager(), null);

                }

              else

                {

                RubikDialogSolved dialog = new RubikDialogSolved();

                dialog.setArguments(bundle);

                dialog.show( act.getSupportFragmentManager(), null);

                }

              }

            }

          break;

          }

        }

      }

    }

  }