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.triblur;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.effect.Effect;

import org.distorted.library.effect.EffectQuality;

import org.distorted.library.effect.EffectType;

import org.distorted.library.effect.FragmentEffectChroma;

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.effect.PostprocessEffectBorder;

import org.distorted.library.effect.PostprocessEffectGlow;

import org.distorted.library.effect.VertexEffectScale;

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.mesh.MeshBase;

import org.distorted.library.mesh.MeshCubes;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static2D;

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 TriblurRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener

{

    private static final int[][] OBJECTS =

        {

            {-130, 0, 0,   255,   0,  0},  // x,y,z, R,G,B

            {   0, 0, 0,   255, 255,  0},  //

            {+130, 0, 0,     0, 255,  0},  //

        };

    private static final int NUM_OBJECTS = OBJECTS.length;

    private static final int OBJ_SIZE    = 100;

    private final GLSurfaceView mView;

    private final DistortedTexture mTex;

    private final DistortedNode[] mNode;

    private final Static2D[] mEffectHaloRadius;

    private final Static1D[] mEffectHalo;

    private final DistortedScreen mScreen;

    private final PostprocessEffectBlur[] mBlur;

    private final PostprocessEffectGlow[] mGlow;

    private final PostprocessEffectBorder[] mBord;

    private final int[] mEffectStatus;

    private final Static3D mScale1, mScale2;

    Static4D mQuat1, mQuat2;

    int mScreenMin;

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

// MeshBase.setUseCenters() and mesh.setComponentCenter(0,x,y,z) with a vector (x,y,z) that points

// directly behind the cube to see BORDER work.

    TriblurRenderer(GLSurfaceView v)

      {

      mView = v;

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

      mTex = new DistortedTexture();

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

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

      mScreen = new DistortedScreen();

      mScreen.showFPS();

      mEffectStatus    = new int[NUM_OBJECTS];

      mEffectHaloRadius= new Static2D[NUM_OBJECTS];

      mEffectHalo      = new Static1D[NUM_OBJECTS];

      mNode            = new DistortedNode[NUM_OBJECTS];

      mBlur            = new PostprocessEffectBlur[NUM_OBJECTS];

      mGlow            = new PostprocessEffectGlow[NUM_OBJECTS];

      mBord            = new PostprocessEffectBorder[NUM_OBJECTS];

      FragmentEffectChroma[] chroma= new FragmentEffectChroma[NUM_OBJECTS];

      Static3D[] chromaVector      = new Static3D[NUM_OBJECTS];

      Static3D[] moveVector        = new Static3D[NUM_OBJECTS];

      DistortedEffects[] effects= new DistortedEffects[NUM_OBJECTS];

      mScale1 = new Static3D(1,1,1);

      mScale2 = new Static3D(1.5f,1.5f,1.5f);

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

      VertexEffectScale scaleEffectV = new VertexEffectScale(OBJ_SIZE);

      MatrixEffectScale scaleEffect1 = new MatrixEffectScale(mScale1);

      MatrixEffectScale scaleEffect2 = new MatrixEffectScale(mScale2);

      MatrixEffectQuaternion quatEffect1 = new MatrixEffectQuaternion(mQuat1, center);

      MatrixEffectQuaternion quatEffect2 = new MatrixEffectQuaternion(mQuat2, center);

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

        {

        moveVector[i]       = new Static3D(OBJECTS[i][0], OBJECTS[i][1], OBJECTS[i][2]);

        chromaVector[i]     = new Static3D(OBJECTS[i][3], OBJECTS[i][4], OBJECTS[i][5]);

        mEffectHaloRadius[i]= new Static2D(10,10);

        mEffectHalo[i]      = new Static1D(10);

        mBlur[i]            = new PostprocessEffectBlur(mEffectHaloRadius[i] );

        mGlow[i]            = new PostprocessEffectGlow(mEffectHaloRadius[i], new Static4D(1.0f,1.0f,1.0f,0.5f) );

        mBord[i]            = new PostprocessEffectBorder(mEffectHalo[i], new Static4D(0.0f,0.0f,0.0f,0.8f) );

        chroma[i]           = new FragmentEffectChroma( new Static1D(0.3f), chromaVector[i]);

        effects[i]          = new DistortedEffects();

        effects[i].apply(chroma[i]);

        effects[i].apply(scaleEffectV);

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

        effects[i].apply(quatEffect2);

        effects[i].apply(quatEffect1);

        effects[i].apply( (i==0||i==NUM_OBJECTS-1) ? scaleEffect1 : scaleEffect2 );

        mEffectStatus[i] = 0;

        mNode[i] = new DistortedNode(mTex, effects[i], mesh );

        mScreen.attach(mNode[i]);

        }

      setQuality(EffectQuality.HIGH);

      }

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

    void setQuality(EffectQuality quality)

      {

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

        {

        mBlur[i].setQuality(quality);

        mGlow[i].setQuality(quality);

        mBord[i].setQuality(quality);

        }

      }

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

    void setRenderModeToOIT(boolean oit)

      {

      mScreen.setOrderIndependentTransparency(oit);

      }

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

    void setBackground(float r, float g, float b, float a)

      {

      mScreen.glClearColor(r,g,b,a);

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

      mScreen.render(System.currentTimeMillis());

      }

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

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

      {

      mScreenMin = Math.min(width, height);

      float factor1 = 0.20f*mScreenMin/OBJ_SIZE;

      float factor2 = 0.75f*factor1;

      mScale1.set(factor1,factor1,factor1);

      mScale2.set(factor2,factor2,factor2);

      mScreen.resize(width, height);

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      Bitmap bitmap;

      try 

        {

        bitmap = BitmapFactory.decodeStream(is);

        }

      finally 

        {

        try 

          {

          is.close();

          }

        catch(IOException e) { }

        }  

      mTex.setTexture(bitmap);

      VertexEffectScale.enable();

      FragmentEffectChroma.enable();

      Effect.enableEffects(EffectType.POSTPROCESS);

      DistortedLibrary.onSurfaceCreated(mView.getContext(), this);

      }

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

    public void distortedException(Exception ex)

      {

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

      }

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

    void setRange(int object, int range)

      {

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

        {

        mEffectHaloRadius[object].set(range*0.5f,range*0.5f);

        mEffectHalo[object].set(range*0.5f);

        }

      }

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

    int[] getEffects()

     {

     return mEffectStatus;

     }

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

    void setEffects(int object, int effect)

      {

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

        {

        if( mEffectStatus[object] != effect )

          {

          mEffectStatus[object] = effect;

          mNode[object].getEffects().abortByType(EffectType.POSTPROCESS);

          if( effect==1 ) mNode[object].getEffects().apply(mBlur[object]);

          if( effect==2 ) mNode[object].getEffects().apply(mGlow[object]);

          if( effect==3 ) mNode[object].getEffects().apply(mBord[object]);

          }

        }

      else

        {

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

        }

      }

}