Magic Cube

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

// This file is part of Magic Cube.                                                              //

//                                                                                               //

// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html        //

package org.distorted.bandaged;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.nio.ByteOrder;

import javax.microedition.khronos.opengles.GL10;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedFramebuffer;

import org.distorted.library.type.Static4D;

   private static final float MIN_SIZE_CHANGE = 0.50f;

   private final Static3D mScale;

   private long mStartTime;

   private boolean mCreatingCubits, mRescaling, mUndoingObject;

   private DistortedFramebuffer mFramebuffer;

   private String mPath;

     mResources = v.getResources();

     mQuatA = new Static4D(-0.25189602f,0.3546389f,0.009657208f,0.90038127f);

     mSetQuatT         = false;

     mResettingObject  = false;

     mConnectingCubits = false;

     BandagedActivity act = (BandagedActivity)v.getContext();

     act.setUpBackgroundColor(mScreen);

     mInitRatio = mObject.getScreenRatio();

     mObjectScreenRatio= mInitRatio;

     mPairs = new Stack<>();

   @Override

   public void onDrawFrame(GL10 glUnused)

     {

     long time = System.currentTimeMillis();

     mScreen.render(time);

     if( mResetQuats )

       {

       mResetQuats = false;

       float qy = mQuatT.get1();

       float qz = mQuatT.get2();

       float qw = mQuatT.get3();

       float ry = mQuatA.get1();

       float rz = mQuatA.get2();

       float rw = mQuatA.get3();

       float tx = rw*qx - rz*qy + ry*qz + rx*qw;

       float ty = rw*qy + rz*qx + ry*qw - rx*qz;

       float tz = rw*qz + rz*qw - ry*qx + rx*qy;

       float tw = rw*qw - rz*qz - ry*qy - rx*qx;

       mQuatA.set(tx, ty, tz, tw);

     if( mResettingObject )

       {

       boolean done = continueResetting(time);

         {

         mResettingObject = false;

         mPairs.clear();

         }

       {

       mSaveIcon++;      // icon turns out black. Probably some problem with binding the texture.

     if( mSaveIcon>=2 )

       {

       saveIcon();

       mSaveIcon = -1;

       }

     if( mConnectingCubits )

       {

       if( success ) mPairs.add( packTwoIntsIntoPair(mIndex1,mIndex2) );

       {

       int num = mPairs.size();

       if( num>0 )

         {

         int pair  = mPairs.pop();

         int first = getFirstFromPair(pair);

         int second= getSecondFromPair(pair);

         mObject.disconnectCubits(first, second, mScaleValue);

         }

       mUndoingObject = false;

       }

     if( mCreatingCubits )

       {

       if( mCubitsCreated )

         {

         float[] dist = mObject.getDist3D();

         mView.resetCubits();

       mCreatingCubits = false;

     if( mRescaling )

       {

       rescaleObject();

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

   @Override

   public void onSurfaceChanged(GL10 glUnused, int width, int height)

      {

        {

        mWidth = width;

        mHeight= height;

        rescaleObject();

        mScreen.detachAll();

        int touched = mView.getTouched();

        mScreen.resize(width,height);

        }

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

   @Override

   public void onSurfaceCreated(GL10 glUnused, EGLConfig config)

      {

      mHeight= 0;

   public DistortedScreen getScreen()

     {

     return mScreen;

     }

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

     {

     mIndex1 = index1;

     mIndex2 = index2;

     mConnectingCubits = true;

     }

     {

     return mQuatA;

     }

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

     {

     mQuatY = y;

     mQuatZ = z;

     mQuatW = w;

     }

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

     {

     mResetQuats = true;

     }

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

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

   public void saveObject()

   private int packTwoIntsIntoPair(int index1, int index2)

     {

     return (index1<<16) + index2;

     }

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

   private int getFirstFromPair(int pair)

     {

     return pair>>16;

     }

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

   private int getSecondFromPair(int pair)

     {

     return pair&0xffff;

     }

     final String name = object.getShortName()+"_object.json";

     File file = new File(act.getFilesDir(), name);

     String filename = file.getAbsolutePath();

     try

       {

       JsonWriter writer = JsonWriter.getInstance();

     catch(JSONException ex)

       {

       act.runOnUiThread(new Runnable()

         {

         public void run()

           {

           String message = "JSON Exception saving to \n\n"+filename+"\n\n failed:\n\n"+ex.getMessage();

           Toast.makeText(act,message,Toast.LENGTH_LONG).show();

           }

         });

       return false;

     catch(FileNotFoundException ex)

       {

       act.runOnUiThread(new Runnable()

         {

         public void run()

           {

           String message = "FileNotFound exception saving to \n\n"+filename+"\n\n failed:\n\n"+ex.getMessage();

           Toast.makeText(act,message,Toast.LENGTH_LONG).show();

           }

         });

       return false;

     catch(IOException ex)

       {

       act.runOnUiThread(new Runnable()

         {

         public void run()

           {

           String message = "IO exception saving to \n\n"+filename+"\n\n failed:\n\n"+ex.getMessage();

           Toast.makeText(act,message,Toast.LENGTH_LONG).show();

           }

         });

       return false;

     }

     final int FBO_HEIGHT = (int)(R*1280);

     DistortedNode node = obj.getNode();

       {

     mFramebuffer.attach(node);

     Static1D halo = new Static1D(5);

     Static4D color = new Static4D(0,0,0,1);

     PostprocessEffectBorder border = new PostprocessEffectBorder(halo,color);

     border.setHaloDepth(false);

     effects.apply(border);

     String filename = file.getAbsolutePath();

     mSaveIcon = 0;

     mPath = filename;

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

     {

     mFramebuffer.render(time);

     }

     {

     int fW = mFramebuffer.getWidth();

     int fH = mFramebuffer.getHeight();

     buf.order(ByteOrder.LITTLE_ENDIAN);

     mFramebuffer.setAsReadFramebuffer(0);

     GLES31.glReadBuffer(GLES31.GL_COLOR_ATTACHMENT0);

     GLES31.glReadPixels( 0, 0, fW, fH, GLES31.GL_RGBA, GLES31.GL_UNSIGNED_BYTE, buf);

     mSaveIcon = -1;

     }

   void mulObjectRatio(float ratio)

     {

     mObjectScreenRatio *= ratio;

     if( mObjectScreenRatio<MIN_SIZE_CHANGE*mInitRatio) mObjectScreenRatio = MIN_SIZE_CHANGE*mInitRatio;

     mRescaling = true;

     }

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

   float getObjectRatio()

     {

     return mObjectScreenRatio;

     }

   private void rescaleObject()

     {

     mScale.set( mScaleValue,mScaleValue,mScaleValue );

     }

   public void changeObject(int x, int y, int z)

     {

   public void displaySavingDialog()

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

   public void setupReset()

     {

     mResettingObject = true;

     mInitialPhase    = true;

     mStartTime       = System.currentTimeMillis();

     }

   public void setupUndo()

     {

     mUndoingObject = true;

     }

   public boolean continueResetting(long time)

     {

     long diff = time-mStartTime;

     if( mInitialPhase && quotient>0.5f )

       {

       mInitialPhase=false;

       mObject.resetObject(mScaleValue);

     double angle = 2*Math.PI*quotient*quotient*(3-2*quotient);

     float sinA = (float)Math.sin(angle);

     float cosA = (float)Math.cos(angle);

     mQuatT.set(0, -sinA, 0, cosA);

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

  public void touchCubit(int index)

    {

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

  public void untouchCubit(int index)

    {

    }

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

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

  public void distortedException(Exception ex)

    {

    android.util.Log.e("BandagedCreator", "unexpected exception: "+ex.getMessage() );

    }

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

  public InputStream localFile(int fileID)

    {

    return mResources.openRawResource(fileID);

    }

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

  public void logMessage(String message)

    {

    android.util.Log.e("BandagedCreator", message );

    }