Distorted Android

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

// Copyright 2016 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.examples.multiblur;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectQuaternion;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.PostprocessEffectBlur;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedNode;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.effect.EffectQuality;

import org.distorted.library.mesh.MeshCubes;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class MultiblurRenderer implements GLSurfaceView.Renderer

{

    private static final int[] MOVE_VEC =

        {

        +1,+1,+1,

        +1,-1,+1,

        +1,+1,-1,

        +1,-1,-1,

        -1,+1,+1,

        -1,-1,+1,

        -1,+1,-1,

        -1,-1,-1

        };

    private static final int NUM_OBJECTS = MOVE_VEC.length/3;

    private static final int OBJ_SIZE    = 100;

    private GLSurfaceView mView;

    private DistortedTexture mTex1, mTex2;

    private DistortedNode[] mNode;

    private Static3D[]  mMoveVector;

    private Static1D  mBlurVector;

    private DistortedScreen mScreen;

    private PostprocessEffectBlur mBlur;

    private int mDistance;

    private boolean[] mBlurStatus;

    private Static3D mMove, mScale, mCenter;

    Static4D mQuat1, mQuat2;

    int mScreenMin;

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

    MultiblurRenderer(GLSurfaceView v)

      {

      mView = v;

      mDistance = -1;

      mBlurStatus = new boolean[NUM_OBJECTS];

      mMoveVector = new Static3D[NUM_OBJECTS];

      mNode       = new DistortedNode[NUM_OBJECTS];

      DistortedEffects[] effects= new DistortedEffects[NUM_OBJECTS];

      for(int i=0; i<NUM_OBJECTS; i++)

        {

        mMoveVector[i] = new Static3D(0,0,0);

        effects[i]     = new DistortedEffects();

        mBlurStatus[i] = false;

        }

      mBlurVector = new Static1D(10);

      MeshCubes mesh = new MeshCubes(1,1,1);

      mesh.setStretch(OBJ_SIZE,OBJ_SIZE,OBJ_SIZE);

      mTex1 = new DistortedTexture();

      mTex2 = new DistortedTexture();

      mQuat1 = new Static4D(0,0,0,1);  // unity

      mQuat2 = new Static4D(0,0,0,1);  // quaternions

      mScreen = new DistortedScreen();

      mScreen.showFPS();

      for(int i=0; i<NUM_OBJECTS; i++)

        {

        mNode[i] = new DistortedNode(i < NUM_OBJECTS / 2 ? mTex1 : mTex2, effects[i], mesh);

        mScreen.attach(mNode[i]);

        }

      mBlur = new PostprocessEffectBlur(mBlurVector);

      mBlurStatus[0] = true;

      effects[0].apply(mBlur);

      mMove   = new Static3D(0,0,0);

      mScale  = new Static3D(1,1,1);

      mCenter = new Static3D(0,0,0);

      MatrixEffectMove moveEffect = new MatrixEffectMove(mMove);

      MatrixEffectScale scaleEffect = new MatrixEffectScale(mScale);

      MatrixEffectQuaternion quatEffect1 = new MatrixEffectQuaternion(mQuat1, mCenter);

      MatrixEffectQuaternion quatEffect2 = new MatrixEffectQuaternion(mQuat2, mCenter);

      for(int i=0; i<NUM_OBJECTS; i++)

        {

        effects[i].apply(new MatrixEffectMove(mMoveVector[i]));

        effects[i].apply(quatEffect2);

        effects[i].apply(quatEffect1);

        effects[i].apply(scaleEffect);

        effects[i].apply(moveEffect);

        }

      }

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

    void setQuality(EffectQuality quality)

      {

      mBlur.setQuality(quality);

      }

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

    void setRenderModeToOIT(boolean oit)

      {

      mScreen.setOrderIndependentTransparency(oit);

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

      mScreen.render(System.currentTimeMillis());

      }

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

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

      {

      mScreenMin = width<height ? width:height;

    	float factor    = 0.15f*mScreenMin/OBJ_SIZE;

    	mScale.set(factor,factor,factor);

      mCenter.set((float)OBJ_SIZE/2, (float)OBJ_SIZE/2, (float)OBJ_SIZE/2 );

      mMove.set( (width -factor*OBJ_SIZE)/2 ,(height-factor*OBJ_SIZE)/2 , -factor*OBJ_SIZE);

      computeMoveVectors();

      mScreen.resize(width, height);

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      InputStream is1 = mView.getContext().getResources().openRawResource(R.raw.cat);

      InputStream is2 = mView.getContext().getResources().openRawResource(R.raw.dog);

      Bitmap bitmap1,bitmap2;

      try 

        {

        bitmap1 = BitmapFactory.decodeStream(is1);

        bitmap2 = BitmapFactory.decodeStream(is2);

        }

      finally 

        {

        try 

          {

          is1.close();

          is2.close();

          }

        catch(IOException e) { }

        }  

      mTex1.setTexture(bitmap1);

      mTex2.setTexture(bitmap2);

      PostprocessEffectBlur.enable();

      try

        {

        DistortedLibrary.onCreate(mView.getContext());

        }

      catch(Exception ex)

        {

        android.util.Log.e("Multiblur", ex.getMessage() );

        }

      }

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

    private void computeMoveVectors()

      {

      float size= 0.026f*OBJ_SIZE*mDistance;

      for(int i=0; i<NUM_OBJECTS; i++)

        {

        mMoveVector[i].set(size*MOVE_VEC[3*i], size*MOVE_VEC[3*i+1], size*MOVE_VEC[3*i+2]);

        }

      }

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

    void setDistance(int distance)

      {

      mDistance = distance;

      computeMoveVectors();

      }

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

    void setRange(int range)

      {

      mBlurVector.set(range/2);

      }

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

    boolean[] getChecked()

     {

     return mBlurStatus;

     }

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

    void setChecked(int number, boolean checked)

      {

      if( number>=0 && number<NUM_OBJECTS )

        {

        if( checked && !mBlurStatus[number] )

          {

          mBlurStatus[number] = true;

          mNode[number].getEffects().apply(mBlur);

          }

        if( !checked && mBlurStatus[number] )

          {

          mBlurStatus[number] = false;

          mNode[number].getEffects().abortEffect(mBlur);

          }

        }

      else

        {

        android.util.Log.e("renderer", "Error, number: "+number+" checked: "+checked );

        }

      //android.util.Log.d("renderer", "setting box "+number+" BLUR state to "+checked);

      }

}