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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted 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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// Distorted 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 Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.meshfile;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.opengl.GLSurfaceView;
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import org.distorted.examples.R;
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import org.distorted.library.effect.Effect;
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import org.distorted.library.effect.EffectType;
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import org.distorted.library.effect.MatrixEffectQuaternion;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.VertexEffectDisappear;
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import org.distorted.library.main.DistortedEffects;
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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 org.distorted.library.main.DistortedTexture;
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import org.distorted.library.mesh.MeshBase;
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import org.distorted.library.mesh.MeshFile;
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import org.distorted.library.mesh.MeshPolygon;
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import org.distorted.library.type.DynamicQuat;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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import java.io.DataInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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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 static org.distorted.examples.meshfile.MeshFileActivity.PROCEDURAL;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class MeshFileRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener
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{
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private static final float SQ2 = (float)Math.sqrt(2);
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private static final float SQ3 = (float)Math.sqrt(3);
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private final float DEFAULT_SCALE = 0.3f;
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private final GLSurfaceView mView;
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private DistortedTexture mTexture;
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private final DistortedScreen mScreen;
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private final DistortedEffects mEffects;
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private final Static3D mScale;
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private long mTime;
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private float mCurrentScale;
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private MeshBase mMesh;
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Static4D mQuat1, mQuat2;
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int mScreenMin;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MeshFileRenderer(GLSurfaceView v)
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{
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mView = v;
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mScreen = new DistortedScreen();
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mScale= new Static3D(1,1,1);
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Static3D center=new Static3D(0,0,0);
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mCurrentScale = DEFAULT_SCALE;
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mQuat1 = new Static4D(0,0,0,1);
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mQuat2 = new Static4D(0,0,0,1);
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DynamicQuat quatInt1 = new DynamicQuat(0,0.5f);
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DynamicQuat quatInt2 = new DynamicQuat(0,0.5f);
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quatInt1.add(mQuat1);
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quatInt2.add(mQuat2);
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VertexEffectDisappear disappear = new VertexEffectDisappear();
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disappear.setMeshAssociation(1,-1);
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mEffects = new DistortedEffects();
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mEffects.apply( new MatrixEffectQuaternion(quatInt2, center) );
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mEffects.apply( new MatrixEffectQuaternion(quatInt1, center) );
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mEffects.apply( new MatrixEffectScale(mScale));
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mEffects.apply( disappear );
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mScreen.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
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mScreen.showFPS();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onDrawFrame(GL10 glUnused)
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{
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mScreen.render( System.currentTimeMillis() );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceChanged(GL10 glUnused, int width, int height)
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{
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mScreenMin = Math.min(width, height);
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float factor = mCurrentScale*mScreenMin;
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mScale.set(factor,factor,factor);
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mScreen.resize(width, height);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
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{
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if( mTexture==null ) mTexture = new DistortedTexture();
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Effect.enableEffects(EffectType.VERTEX);
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DistortedLibrary.setMax(EffectType.VERTEX, 20);
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DistortedLibrary.needTransformFeedback();
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DistortedLibrary.onSurfaceCreated(mView.getContext(), this);
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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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android.util.Log.e("MeshFile", ex.getMessage() );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// 0 ---> 0
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// 50 ---> DEFAULT_SCALE
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// 100 ---> 4*DEFAULT_SCALE
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void setScale(int scale)
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{
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if( scale<= 50 )
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{
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mCurrentScale = DEFAULT_SCALE * scale / 50.0f;
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}
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else
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{
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mCurrentScale = DEFAULT_SCALE * ( 3*(scale/50.0f) - 2.0f);
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}
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float factor = mCurrentScale*mScreenMin;
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mScale.set(factor,factor,factor);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void open(int resourceID)
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{
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if( mTexture==null ) mTexture = new DistortedTexture();
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mTexture.setTexture( createTexture(resourceID) );
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long t1 = System.currentTimeMillis();
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if( resourceID!=PROCEDURAL )
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{
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openMesh(resourceID);
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}
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else
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{
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createMesh();
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}
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long t2 = System.currentTimeMillis();
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mTime = t2-t1;
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mScreen.detachAll();
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mScreen.attach(mTexture,mEffects,mMesh);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private Bitmap createTexture(int resourceID)
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{
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TextureFactory factory = TextureFactory.getInstance();
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float[] vertices;
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int[] colors;
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float F = 0.5f;
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float E = SQ3/2;
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float G = SQ2/4;
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switch(resourceID)
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{
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case R.raw.deferredjob:
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case R.raw.meshjoin :
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case PROCEDURAL :
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case R.raw.predeform : return createWhiteTexture();
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case R.raw.cube2 :
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case R.raw.cube3 :
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case R.raw.cube4 :
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case R.raw.cube5 : colors = new int[] { 0xffffff00, 0xffffffff, 0xff0000ff, 0xff00ff00, 0xffff0000, 0xffb5651d };
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vertices = new float[] { -F,-F, +F,-F, +F,+F, -F,+F};
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return factory.createTexture(vertices,colors,0.10f, 0.10f, true);
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case R.raw.pyra3 :
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case R.raw.pyra4 :
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case R.raw.pyra5 : colors = new int[] { 0xffffff00, 0xff00ff00, 0xff0000ff, 0xffff0000 };
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vertices = new float[] { -F,-E/3, +F,-E/3, 0.0f,2*E/3};
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return factory.createTexture(vertices,colors,0.05f, 0.05f, true);
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case R.raw.dino : colors = new int[] { 0xffffff00, 0xffffffff, 0xff0000ff, 0xff00ff00, 0xffff0000, 0xffb5651d };
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vertices = new float[] { -F,F/3, 0,-2*F/3, +F,F/3 };
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return factory.createTexture(vertices,colors,0.05f, 0.03f, true);
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case R.raw.skewb : colors = new int[] { 0xffffff00, 0xffffffff, 0xff0000ff, 0xff00ff00, 0xffff0000, 0xffb5651d };
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//vertices = new float[] { -G,-G, +G,-G, +G,+G, -G,+G };
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vertices = new float[] { -F+F/4,F/4, F/4,-F+F/4, F/4,F/4};
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return factory.createTexture(vertices,colors,0.05f, 0.08f, true);
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}
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return null;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private Bitmap createWhiteTexture()
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{
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int SIZE = 1;
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Bitmap bitmap = Bitmap.createBitmap(SIZE,SIZE, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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Paint paint = new Paint();
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paint.setColor(0xffffff55);
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paint.setStyle(Paint.Style.FILL);
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canvas.drawRect(0, 0, SIZE, SIZE, paint);
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return bitmap;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private MeshBase createStaticMesh()
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{
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final float IVY_D = 0.10f;
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final int IVY_N = 8;
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final float angle = (float)Math.PI/(2*IVY_N);
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final float CORR = 1.0f - IVY_D*SQ2;
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final float DIST = 0.4f;
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final float CORR2 = 0.5f;
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float[] vertices = new float[2*(IVY_N+1)+6];
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vertices[0] = ( 0.5f -DIST)*CORR2;
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vertices[1] = (-0.5f+IVY_D-DIST)*CORR2;
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vertices[2] = ( 0.5f -DIST)*CORR2;
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vertices[3] = ( 0.5f -DIST)*CORR2;
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vertices[4] = (-0.5f+IVY_D-DIST)*CORR2;
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vertices[5] = ( 0.5f -DIST)*CORR2;
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for(int i=0; i<=IVY_N; i++)
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{
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float ang = (IVY_N-i)*angle;
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float sin = (float)Math.sin(ang);
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float cos = (float)Math.cos(ang);
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vertices[2*i+6] = (CORR*(cos-0.5f)-DIST)*CORR2;
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vertices[2*i+7] = (CORR*(sin-0.5f)-DIST)*CORR2;
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}
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float[] bands = new float[] {1.0f, 0.0f, 0.5f, 0.03f, 0.0f, 0.05f};
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MeshBase mesh = new MeshPolygon(vertices,bands,0,0);
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mesh.setShowNormals(true);
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return mesh;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void createMesh()
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{
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final float[][] vertices = new float[][]
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{
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{ 0.5f, 0.5f, 0.5f },
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{ 0.5f, 0.5f,-0.5f },
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{ 0.5f,-0.5f, 0.5f },
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{ 0.5f,-0.5f,-0.5f },
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{-0.5f, 0.5f, 0.5f },
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{-0.5f, 0.5f,-0.5f },
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{-0.5f,-0.5f, 0.5f },
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{-0.5f,-0.5f,-0.5f },
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};
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final int[][] vertIndexes = new int[][]
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{
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{2,3,1,0}, // counterclockwise!
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{7,6,4,5},
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{4,0,1,5},
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{7,3,2,6},
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{6,2,0,4},
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{3,7,5,1}
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};
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final float[][] bands = new float[][]
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{
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{0.05f,45,0.6f,0.5f,5, 2,2}
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};
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final int[] bandIndexes = new int[] { 0,0,0,0,0,0 };
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FactoryCubit factory = FactoryCubit.getInstance();
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mMesh = factory.createRoundedSolid(vertices, vertIndexes, bands, bandIndexes);
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int numEff = mMesh.numEffComponents();
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for(int i=0; i<numEff; i++)
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{
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mMesh.setEffectAssociation(i, 0, i);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void openMesh(int resourceID)
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{
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Context con = mView.getContext();
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Resources res = con.getResources();
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InputStream is = res.openRawResource(resourceID);
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DataInputStream dos = new DataInputStream(is);
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mMesh = new MeshFile(dos);
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int numEff = mMesh.numEffComponents();
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for(int i=0; i<numEff; i++)
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{
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mMesh.setEffectAssociation(i, 0, i);
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}
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try
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{
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is.close();
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}
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catch(IOException e)
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{
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android.util.Log.e("MeshFile", "Error closing InputStream: "+e.toString());
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MeshBase getMesh()
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{
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return mMesh;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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long getTime()
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{
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return mTime;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getBytes()
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{
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if( mMesh instanceof MeshFile )
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{
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return ((MeshFile)mMesh).getNumBytes();
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}
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getVertices()
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{
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return mMesh.getNumVertices();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getEndEffIndex(int component)
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{
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return mMesh.getLastVertexEff(component);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getEndTexIndex(int component)
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{
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return mMesh.getLastVertexTex(component);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getEffComponentNum()
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{
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return mMesh.numEffComponents();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getTexComponentNum()
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{
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return mMesh.numTexComponents();
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}
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}
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