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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 org.distorted.library.effect.Effect;
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import org.distorted.library.effect.EffectName;
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import org.distorted.library.effect.EffectType;
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import org.distorted.library.message.EffectListener;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Class containing Matrix, Vertex, Fragment and Postprocessing effect queues.
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* <p>
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* The queues hold actual effects to be applied to a given (InputSurface,MeshBase) combo.
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*/
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public class DistortedEffects
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{
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private static long mNextID =0;
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private long mID;
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private EffectQueue[] mQueues;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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EffectQueue[] getQueues()
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{
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return mQueues;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void onDestroy()
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{
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mNextID = 0;
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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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* Create empty effect queue.
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*/
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public DistortedEffects()
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{
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mID = ++mNextID;
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mQueues = new EffectQueue[EffectType.LENGTH];
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EffectQueue.allocateQueues(mQueues,null,0,mID);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Copy constructor.
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* <p>
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* Whatever we do not clone gets created just like in the default constructor.
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*
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* @param dc Source object to create our object from
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* @param flags A bitmask of values specifying what to copy.
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* For example, CLONE_VERTEX | CLONE_MATRIX.
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*/
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public DistortedEffects(DistortedEffects dc, int flags)
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{
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mID = ++mNextID;
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mQueues = new EffectQueue[EffectType.LENGTH];
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EffectQueue.allocateQueues(mQueues,dc.getQueues(),flags,mID);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Returns unique ID of this instance.
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*
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* @return ID of the object.
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*/
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public long getID()
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{
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return mID;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Adds the calling class to the list of Listeners that get notified each time some event happens
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* to one of the Effects in our queues. Nothing will happen if 'el' is already in the list.
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*
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* @param el A class implementing the EffectListener interface that wants to get notifications.
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*/
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@SuppressWarnings("unused")
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public void registerForMessages(EffectListener el)
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{
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for( int i=0; i<EffectType.LENGTH; i++)
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{
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mQueues[i].registerForMessages(el);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Removes the calling class from the list of Listeners that get notified if something happens to Effects in our queue.
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*
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* @param el A class implementing the EffectListener interface that no longer wants to get notifications.
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*/
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@SuppressWarnings("unused")
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public void deregisterForMessages(EffectListener el)
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{
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for( int i=0; i<EffectType.LENGTH; i++)
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{
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mQueues[i].deregisterForMessages(el);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Aborts all Effects.
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* @return Number of effects aborted.
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*/
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public int abortAllEffects()
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{
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int aborted = 0;
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for( int i=0; i<EffectType.LENGTH; i++)
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{
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aborted += mQueues[i].abortAll(true);
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}
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return aborted;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Aborts all Effects of a given type, for example all MATRIX Effects.
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*
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* @param type one of the constants defined in {@link EffectType}
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* @return Number of effects aborted.
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*/
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public int abortByType(EffectType type)
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{
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int num = type.ordinal();
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return mQueues[num].abortAll(true);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Aborts an Effect by its ID.
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*
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* @param id the Id of the Effect to be removed, as returned by getID().
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* @return Number of effects aborted.
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*/
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public int abortById(long id)
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{
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int num = (int)(id&EffectType.MASK);
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return mQueues[num].removeById(id);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Aborts a single Effect.
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*
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* @param effect the Effect we want to abort.
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* @return number of Effects aborted. Always either 0 or 1.
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*/
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public int abortEffect(Effect effect)
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{
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int num = effect.getType().ordinal();
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return mQueues[num].removeEffect(effect);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Abort all Effects of a given name, for example all rotations.
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*
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* @param name one of the constants defined in {@link EffectName}
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* @return number of Effects aborted.
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*/
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public int abortByName(EffectName name)
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{
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int num = name.getType().ordinal();
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return mQueues[num].removeByName(name);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Add a new Effect to our queue.
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*
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* @param effect The Effect to add.
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* @return <code>true</code> if operation was successful, <code>false</code> otherwise.
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*/
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public boolean apply(Effect effect)
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{
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int num = effect.getType().ordinal();
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return mQueues[num].add(effect);
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}
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}
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