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magiccube / src / main / java / org / distorted / main / RubikRenderer.java @ d5973655

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2019 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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// Magic Cube is free software: you can redistribute it and/or modify                            //
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// it under the terms of the GNU General Public License as published by                          //
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// the Free Software Foundation, either version 2 of the License, or                             //
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// (at your option) any later version.                                                           //
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//                                                                                               //
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// Magic Cube is distributed in the hope that it will be useful,                                 //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //
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// GNU General Public License for more details.                                                  //
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//                                                                                               //
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// You should have received a copy of the GNU General Public License                             //
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// along with Magic Cube.  If not, see <http://www.gnu.org/licenses/>.                           //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.main;
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import android.opengl.GLES30;
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import android.opengl.GLSurfaceView;
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import org.distorted.effects.BaseEffect;
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import org.distorted.library.effect.EffectType;
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import org.distorted.library.effect.VertexEffectQuaternion;
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import org.distorted.library.effect.VertexEffectRotate;
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import org.distorted.library.main.DistortedLibrary;
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import org.distorted.library.main.DistortedScreen;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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import com.google.firebase.crashlytics.FirebaseCrashlytics;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class RubikRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener
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{
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   public static final float BRIGHTNESS = 0.30f;
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   private final RubikSurfaceView mView;
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   private final DistortedScreen mScreen;
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   private final Fps mFPS;
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   private boolean mErrorShown;
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   private static class Fps
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     {
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     private static final int NUM_FRAMES  = 100;
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     private long lastTime=0;
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     private long[] durations;
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     private int currDuration;
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     private float currFPS;
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     Fps()
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       {
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       durations = new long[NUM_FRAMES+1];
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       currDuration = 0;
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       for (int i=0; i<NUM_FRAMES+1; i++) durations[i] = 16;
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       durations[NUM_FRAMES] = NUM_FRAMES * 16;
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       }
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     void onRender(long time)
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       {
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       if( lastTime==0 ) lastTime = time;
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       currDuration++;
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       if (currDuration >= NUM_FRAMES) currDuration = 0;
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       durations[NUM_FRAMES] += ((time - lastTime) - durations[currDuration]);
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       durations[currDuration] = time - lastTime;
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       currFPS = ((int)(10000.0f*NUM_FRAMES/durations[NUM_FRAMES]))/10.0f;
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       lastTime = time;
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       }
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     float getFPS()
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       {
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       return currFPS;
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       }
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   RubikRenderer(RubikSurfaceView v)
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     {
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     mErrorShown = false;
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     mView = v;
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     mFPS = new Fps();
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     mScreen = new DistortedScreen();
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     mScreen.glClearColor(BRIGHTNESS, BRIGHTNESS, BRIGHTNESS, 1.0f);
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// various things are done here delayed, 'after the next render' as not to be done mid-render and
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// cause artifacts.
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   @Override
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   public void onDrawFrame(GL10 glUnused)
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     {
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     long time = System.currentTimeMillis();
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     mFPS.onRender(time);
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     mView.getPreRender().preRender();
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     mScreen.render(time);
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   @Override
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   public void onSurfaceChanged(GL10 glUnused, int width, int height)
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      {
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      mScreen.resize(width,height);
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      mView.setScreenSize(width,height);
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      mView.getPreRender().setScreenSize(width);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   @Override
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   public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
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      {
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      VertexEffectRotate.enable();
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      VertexEffectQuaternion.enable();
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      BaseEffect.Type.enableEffects();
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      DistortedLibrary.onSurfaceCreated(mView.getContext(),this,1);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   public void distortedException(Exception ex)
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     {
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     String message = ex.getMessage();
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     String shading = GLES30.glGetString(GLES30.GL_SHADING_LANGUAGE_VERSION);
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     String version = GLES30.glGetString(GLES30.GL_VERSION);
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     String vendor  = GLES30.glGetString(GLES30.GL_VENDOR);
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     String renderer= GLES30.glGetString(GLES30.GL_RENDERER);
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     if( message==null ) message = "exception NULL";
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     if( BuildConfig.DEBUG )
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       {
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       android.util.Log.e("DISTORTED", message );
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       android.util.Log.e("DISTORTED", "GLSL Version "+shading);
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       android.util.Log.e("DISTORTED", "GL Version "  +version);
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       android.util.Log.e("DISTORTED", "GL Vendor "   +vendor);
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       android.util.Log.e("DISTORTED", "GL Renderer " +renderer);
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       }
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     else
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       {
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       FirebaseCrashlytics crashlytics = FirebaseCrashlytics.getInstance();
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       crashlytics.setCustomKey("DistortedError", message );
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       crashlytics.setCustomKey("GLSL Version"  , shading );
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       crashlytics.setCustomKey("GLversion"     , version );
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       crashlytics.setCustomKey("GL Vendor "    , vendor  );
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       crashlytics.setCustomKey("GLSLrenderer"  , renderer);
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       crashlytics.recordException(ex);
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       }
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     int glsl = DistortedLibrary.getGLSL();
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     if( glsl< 300 && !mErrorShown )
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       {
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       mErrorShown = true;
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       RubikActivity act = (RubikActivity)mView.getContext();
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       act.OpenGLError();
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       }
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   float getFPS()
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     {
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     return mFPS.getFPS();
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   DistortedScreen getScreen()
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     {
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     return mScreen;
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     }
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}