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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.library.main;
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import android.opengl.GLES31;
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import android.opengl.Matrix;
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import org.distorted.library.effect.EffectType;
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import org.distorted.library.effect.MatrixEffect;
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import org.distorted.library.message.EffectMessage;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class EffectQueueMatrix extends EffectQueue
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{
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private static final int NUM_UNIFORMS = MatrixEffect.NUM_UNIFORMS;
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private static final int INDEX = EffectType.MATRIX.ordinal();
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private static float[] mMVPMatrix = new float[16];
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private static float[] mViewMatrix= new float[16];
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private static float[] mTmpMatrix = new float[16];
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private static float[] mTmpResult = new float[4];
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private static float[] mTmpPoint = new float[4];
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private static float mMinx;
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private static float mMaxx;
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private static float mMiny;
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private static float mMaxy;
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private static int[] mObjDH = new int[Distorted.MAIN_VARIANTS];
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private static int[] mMVPMatrixH = new int[Distorted.MAIN_VARIANTS];
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private static int[] mMVMatrixH = new int[Distorted.MAIN_VARIANTS];
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///////////////////////////////////////////////////////////////////////////////////////////////////
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EffectQueueMatrix(long id)
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{
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super(id,NUM_UNIFORMS,INDEX );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void magnifyDir()
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{
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Matrix.multiplyMV(mTmpResult,0,mTmpMatrix,0,mTmpPoint,0);
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float nx = mTmpResult[0]/mTmpResult[3];
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float ny = mTmpResult[1]/mTmpResult[3];
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if( nx<mMinx ) mMinx = nx;
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if( nx>mMaxx ) mMaxx = nx;
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if( ny<mMiny ) mMiny = ny;
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if( ny>mMaxy ) mMaxy = ny;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// modify the ModelView matrix so that the object drawn appears to be (about) 'marginInPixels' pixels
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// larger in each direction when rendered. Used in Postprocessing.
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private void magnify(DistortedOutputSurface projection, float halfX, float halfY, float halfZ, float marginInPixels)
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{
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mMinx = Integer.MAX_VALUE;
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mMaxx = Integer.MIN_VALUE;
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mMiny = Integer.MAX_VALUE;
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mMaxy = Integer.MIN_VALUE;
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mTmpPoint[3] = 1.0f;
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Matrix.multiplyMM(mTmpMatrix, 0, projection.mProjectionMatrix, 0, mViewMatrix, 0);
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mTmpPoint[0] = +halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = +halfZ; magnifyDir();
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mTmpPoint[0] = +halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = -halfZ; magnifyDir();
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mTmpPoint[0] = +halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = +halfZ; magnifyDir();
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mTmpPoint[0] = +halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = -halfZ; magnifyDir();
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mTmpPoint[0] = -halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = +halfZ; magnifyDir();
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mTmpPoint[0] = -halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = -halfZ; magnifyDir();
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mTmpPoint[0] = -halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = +halfZ; magnifyDir();
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mTmpPoint[0] = -halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = -halfZ; magnifyDir();
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float xlen = projection.mWidth *(mMaxx-mMinx)/2;
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float ylen = projection.mHeight*(mMaxy-mMiny)/2;
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float scale = 1.0f + 2*marginInPixels/( xlen>ylen ? ylen:xlen );
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Matrix.scaleM(mViewMatrix, 0, scale, scale, scale);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void getUniforms(int mProgramH, int variant)
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{
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mObjDH[variant] = GLES31.glGetUniformLocation(mProgramH, "u_objD");
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mMVPMatrixH[variant]= GLES31.glGetUniformLocation(mProgramH, "u_MVPMatrix");
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mMVMatrixH[variant] = GLES31.glGetUniformLocation(mProgramH, "u_MVMatrix");
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void compute(long currTime)
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{
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if( currTime==mTime ) return;
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if( mTime==0 ) mTime = currTime;
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long step = (currTime-mTime);
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for(int i=0; i<mNumEffects; i++)
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{
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mCurrentDuration[i] += step;
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if( mEffects[i].compute(mUniforms, NUM_UNIFORMS*i, mCurrentDuration[i], step) )
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{
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for(int j=0; j<mNumListeners; j++)
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EffectMessageSender.newMessage( mListeners.get(j), EffectMessage.EFFECT_FINISHED, mEffects[i].getID(), mDistortedEffectsID);
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if( mEffects[i].isUnity( mUniforms, NUM_UNIFORMS*i) )
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{
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remove(i--);
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mNumEffectsToBe--;
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}
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}
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}
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mTime = currTime;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float[] getMVP()
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{
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return mMVPMatrix;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void send(DistortedOutputSurface projection, float halfX, float halfY, float halfZ, float marginInPixels, int variant)
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{
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Matrix.setIdentityM(mViewMatrix, 0);
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Matrix.translateM(mViewMatrix, 0, -projection.mWidth/2, projection.mHeight/2, -projection.mDistance);
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float mipmap = projection.mMipmap;
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if( mipmap!=1 ) Matrix.scaleM(mViewMatrix, 0, mipmap, mipmap, mipmap);
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for(int i=0; i<mNumEffects; i++) ((MatrixEffect)mEffects[i]).apply(mViewMatrix,mUniforms,i);
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Matrix.translateM(mViewMatrix, 0, halfX,-halfY,-halfZ);
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if( marginInPixels!=0 ) magnify(projection,halfX,halfY,halfZ, marginInPixels);
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Matrix.multiplyMM(mMVPMatrix, 0, projection.mProjectionMatrix, 0, mViewMatrix, 0);
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GLES31.glUniform3f( mObjDH[variant] , halfX, halfY, halfZ);
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GLES31.glUniformMatrix4fv(mMVMatrixH[variant] , 1, false, mViewMatrix, 0);
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GLES31.glUniformMatrix4fv(mMVPMatrixH[variant], 1, false, mMVPMatrix , 0);
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}
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}
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