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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;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Names of Effects one can apply to DistortedObjects.
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*/
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public enum EffectNames
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{
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// EFFECT NAME /////// EFFECT TYPE ////////////// UNITY /////////////////////////
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ROTATE ( EffectTypes.MATRIX , new float[] {0.0f} ),
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QUATERNION ( EffectTypes.MATRIX , new float[] {0.0f,0.0f,0.0f} ), // quaternion is a unity iff its axis (x,y,z) is (0,0,0)
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MOVE ( EffectTypes.MATRIX , new float[] {0.0f,0.0f,0.0f} ),
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SCALE ( EffectTypes.MATRIX , new float[] {1.0f,1.0f,1.0f} ),
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SHEAR ( EffectTypes.MATRIX , new float[] {0.0f,0.0f,0.0f} ),
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// add new Matrix effects here...
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DISTORT ( EffectTypes.VERTEX , new float[] {0.0f,0.0f,0.0f} ), // keep this the first VERT effect (reason: getType)
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DEFORM ( EffectTypes.VERTEX , new float[] {0.0f,0.0f} ),
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SINK ( EffectTypes.VERTEX , new float[] {1.0f} ),
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SWIRL ( EffectTypes.VERTEX , new float[] {0.0f} ),
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WAVE ( EffectTypes.VERTEX , new float[] {0.0f} ),
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// add new Vertex Effects here...
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MACROBLOCK ( EffectTypes.FRAGMENT, new float[] {1.0f} ), // keep this the first FRAG effect (reason: getType)
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ALPHA ( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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SMOOTH_ALPHA ( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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CHROMA ( EffectTypes.FRAGMENT, new float[] {0.0f} ),
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SMOOTH_CHROMA ( EffectTypes.FRAGMENT, new float[] {0.0f} ),
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BRIGHTNESS ( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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SMOOTH_BRIGHTNESS( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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SATURATION ( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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SMOOTH_SATURATION( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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CONTRAST ( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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SMOOTH_CONTRAST ( EffectTypes.FRAGMENT, new float[] {1.0f} ),
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HUE ( EffectTypes.FRAGMENT, new float[] {0.0f} ),
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SMOOTH_HUE ( EffectTypes.FRAGMENT, new float[] {0.0f} );
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// add new Fragment effects here...
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private static final int MAXDIM = 4; // maximum supported dimension of an effect
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private EffectTypes type;
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private float[] unity;
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static private float[] unities;
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static private int[] dimensions;
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static
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{
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int len = values().length;
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int i=0;
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dimensions = new int[len];
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unities = new float[MAXDIM*len];
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for(EffectNames name: EffectNames.values())
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{
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dimensions[i] = (name.unity==null ? 0 : name.unity.length);
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switch(dimensions[i])
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{
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case 4: unities[MAXDIM*i+3] = name.unity[3];
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case 3: unities[MAXDIM*i+2] = name.unity[2];
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case 2: unities[MAXDIM*i+1] = name.unity[1];
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case 1: unities[MAXDIM*i+0] = name.unity[0];
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case 0: break;
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}
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i++;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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EffectNames(EffectTypes type, float[] unity)
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{
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this.type = type;
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this.unity= unity;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// yes, I know we could have used values(i) but that allocates a new copy each time!
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static EffectTypes getType(int ordinal)
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{
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if( ordinal<DISTORT.ordinal() ) return EffectTypes.MATRIX;
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if( ordinal<MACROBLOCK.ordinal() ) return EffectTypes.VERTEX;
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return EffectTypes.FRAGMENT;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void fillWithUnities(int ordinal, float[] buffer, int index)
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{
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switch(dimensions[ordinal])
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{
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case 0: break;
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case 1: buffer[index+0]=unities[MAXDIM*ordinal+0];
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break;
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case 2: buffer[index+0]=unities[MAXDIM*ordinal+0];
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buffer[index+1]=unities[MAXDIM*ordinal+1];
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break;
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case 3: buffer[index+0]=unities[MAXDIM*ordinal+0];
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buffer[index+1]=unities[MAXDIM*ordinal+1];
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buffer[index+2]=unities[MAXDIM*ordinal+2];
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break;
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case 4: buffer[index+0]=unities[MAXDIM*ordinal+0];
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buffer[index+1]=unities[MAXDIM*ordinal+1];
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buffer[index+2]=unities[MAXDIM*ordinal+2];
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buffer[index+3]=unities[MAXDIM*ordinal+3];
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break;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static boolean isUnity(int ordinal, float[] buffer, int index)
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{
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switch(dimensions[ordinal])
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{
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case 0: return true;
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case 1: return buffer[index+0]==unities[MAXDIM*ordinal+0];
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case 2: return buffer[index+0]==unities[MAXDIM*ordinal+0] &&
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buffer[index+1]==unities[MAXDIM*ordinal+1];
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case 3: return buffer[index+0]==unities[MAXDIM*ordinal+0] &&
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buffer[index+1]==unities[MAXDIM*ordinal+1] &&
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buffer[index+2]==unities[MAXDIM*ordinal+2];
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case 4: return buffer[index+0]==unities[MAXDIM*ordinal+0] &&
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buffer[index+1]==unities[MAXDIM*ordinal+1] &&
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buffer[index+2]==unities[MAXDIM*ordinal+2] &&
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buffer[index+3]==unities[MAXDIM*ordinal+3];
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}
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Returns the Type of an individual Effect. For example, EffectNames.ROTATION.getType() will
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* return EffectTypes.MATRIX.
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* @return type of the effect.
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*/
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public EffectTypes getType()
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{
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return type;
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}
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}
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