mirror of
https://github.com/ProjectSWGCore/NGECore2.git
synced 2026-07-31 01:15:57 -04:00
482 lines
11 KiB
Java
482 lines
11 KiB
Java
/*******************************************************************************
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* Copyright (c) 2013 <Project SWG>
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*
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* This File is part of NGECore2.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Using NGEngine to work with NGECore2 is making a combined work based on NGEngine.
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* Therefore all terms and conditions of the GNU Lesser General Public License cover the combination.
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******************************************************************************/
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package resources.objects;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Comparator;
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import java.util.Iterator;
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import java.util.List;
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import java.util.ListIterator;
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import java.util.Spliterator;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.function.Consumer;
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import java.util.function.Predicate;
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import java.util.function.UnaryOperator;
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import java.util.stream.Stream;
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import org.apache.mina.core.buffer.IoBuffer;
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import org.python.google.common.collect.Lists;
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import engine.resources.objects.Baseline;
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import engine.resources.objects.Delta;
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import engine.resources.objects.IDelta;
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import engine.resources.objects.SWGObject;
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/* A SWGList element should extend Delta or implement IDelta */
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public class SWGList<E> implements List<E>, Serializable {
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private static final long serialVersionUID = 1L;
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private List<E> list = new CopyOnWriteArrayList<E>();
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private transient int updateCounter = 0;
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private byte viewType;
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private short updateType;
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private boolean addByte;
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protected transient Object objectMutex = new Object();
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private transient SWGObject object;
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public SWGList() { }
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public SWGList(SWGObject object, int viewType, int updateType, boolean addByte) {
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this.viewType = (byte) viewType;
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this.updateType = (short) updateType;
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this.addByte = addByte;
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this.object = object;
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}
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public void init(SWGObject object) {
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objectMutex = new Object();
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updateCounter = 0;
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this.object = object;
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for (Object item : list) {
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try {
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if (item instanceof IDelta) {
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item.getClass().getMethod("init", new Class[] { SWGObject.class }).invoke(item, new Object[] { object });
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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public boolean add(E e) {
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synchronized(objectMutex) {
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if (valid(e) && list.add(e)) {
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queue(item(1, list.lastIndexOf(e), Baseline.toBytes(e), true, true));
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return true;
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}
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return false;
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}
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}
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public void add(int index, E element) {
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synchronized(objectMutex) {
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if (valid(element)) {
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list.add(index, element);
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queue(item(1, index, Baseline.toBytes(element), true, true));
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}
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}
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}
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public boolean addAll(Collection<? extends E> c) {
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synchronized(objectMutex) {
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if (!c.isEmpty()) {
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List<byte[]> buffer = new ArrayList<byte[]>();
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boolean success = false;
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for (E element : c) {
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if (valid(element)) {
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if (list.add(element)) {
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buffer.add(item(1, list.lastIndexOf(element), Baseline.toBytes(element), true, true));
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success = true;
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}
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} else {
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return false;
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}
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}
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if (success == true) {
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queue(buffer);
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} else {
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return false;
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}
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}
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return false;
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}
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}
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public boolean addAll(int index, Collection<? extends E> c) {
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synchronized(objectMutex) {
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if (!c.isEmpty()) {
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List<byte[]> buffer = new ArrayList<byte[]>();
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for (E element : c) {
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if (valid(element)) {
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list.add(index, element);
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buffer.add(item(1, index, Baseline.toBytes(element), true, true));
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index++;
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} else {
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return false;
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}
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}
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queue(buffer);
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return true;
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}
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return false;
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}
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}
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public void clear() {
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synchronized(objectMutex) {
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list.clear();
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queue(item(4, 0, null, false, false));
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}
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}
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public boolean contains(Object o) {
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synchronized(objectMutex) {
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return list.contains(o);
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}
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}
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public boolean containsAll(Collection<?> c) {
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synchronized(objectMutex) {
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return list.containsAll(c);
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}
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}
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public void forEach(Consumer<? super E> action) {
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list.forEach(action);
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}
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public E get(int index) {
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synchronized(objectMutex) {
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return list.get(index);
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}
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}
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public List<E> get() {
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return list;
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}
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public int indexOf(Object o) {
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synchronized(objectMutex) {
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return list.indexOf(o);
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}
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}
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public boolean isEmpty() {
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synchronized(objectMutex) {
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return list.isEmpty();
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}
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}
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public Iterator<E> iterator() {
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synchronized(objectMutex) {
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return list.iterator();
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}
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}
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public int lastIndexOf(Object o) {
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synchronized(objectMutex) {
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return list.lastIndexOf(o);
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}
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}
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public ListIterator<E> listIterator() {
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synchronized(objectMutex) {
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return list.listIterator();
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}
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}
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public ListIterator<E> listIterator(int index) {
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synchronized(objectMutex) {
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return listIterator(index);
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}
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}
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public Stream<E> parallelStream() {
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synchronized(objectMutex) {
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return list.parallelStream();
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}
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}
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public boolean remove(Object o) {
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synchronized(objectMutex) {
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int index = list.indexOf(o);
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if (list.remove(o)) {
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queue(item(1, index, null, true, false));
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return true;
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} else {
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return false;
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}
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}
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}
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public E remove(int index) {
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synchronized(objectMutex) {
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E element = list.remove(index);
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queue(item(1, index, null, true, false));
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return (E) element;
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}
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}
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public boolean removeAll(Collection<?> c) {
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synchronized(objectMutex) {
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if (!c.isEmpty()) {
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List<byte[]> buffer = new ArrayList<byte[]>();
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int index;
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boolean success = false;
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for (Object element : c) {
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index = list.indexOf(element);
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if (list.remove(element)) {
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buffer.add(item(0, index, null, true, false));
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success = true;
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}
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}
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if (success) {
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queue(buffer);
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}
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return success;
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}
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return false;
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}
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}
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public void replaceAll(UnaryOperator<E> operator) {
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System.err.println("SWGList::sort: Not currently supported.");
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}
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public boolean retainAll(Collection<?> c) {
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synchronized(objectMutex) {
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return list.retainAll(c);
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}
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}
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public List<E> reverseGet() {
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synchronized(objectMutex) {
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return Lists.reverse(list);
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}
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}
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public boolean removeIf(Predicate<? super E> filter) {
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synchronized(objectMutex) {
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return false;
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}
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}
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public E set(int index, E element) {
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synchronized(objectMutex) {
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if (valid(element)) {
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E previousElement = list.set(index, element);
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queue(item(2, index, Baseline.toBytes(element), true, true));
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return previousElement;
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}
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return null;
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}
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}
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public boolean set(List<E> list) {
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synchronized(objectMutex) {
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byte[] newListData = { };
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if (!list.isEmpty()) {
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for (E element : list) {
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if (valid(element)) {
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IoBuffer buffer = Delta.createBuffer((newListData.length + Baseline.toBytes(element).length));
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buffer.put(newListData);
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buffer.put(Baseline.toBytes(element));
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newListData = buffer.array();
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} else {
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return false;
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}
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}
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IoBuffer buffer = Delta.createBuffer(3 + newListData.length);
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buffer.put((byte) 3);
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buffer.putShort((short) list.size());
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buffer.put(newListData);
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newListData = buffer.array();
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this.list = list;
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updateCounter += list.size();
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queue(newListData);
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return true;
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}
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return false;
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}
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}
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public int size() {
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synchronized(objectMutex) {
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return list.size();
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}
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}
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public void sort(Comparator<? super E> c) {
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synchronized(objectMutex) {
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System.err.println("SWGList::sort: Not supported.");
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}
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}
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public Spliterator<E> spliterator() {
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synchronized(objectMutex) {
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return list.spliterator();
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}
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}
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public Stream<E> stream() {
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synchronized(objectMutex) {
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return list.stream();
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}
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}
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public List<E> subList(int fromIndex, int toIndex) {
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synchronized(objectMutex) {
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return list.subList(fromIndex, toIndex);
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}
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}
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public Object[] toArray() {
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synchronized(objectMutex) {
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return list.toArray();
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}
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}
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public <T> T[] toArray(T[] a) {
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synchronized(objectMutex) {
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return list.toArray(a);
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}
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}
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public int getUpdateCounter() {
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synchronized(objectMutex) {
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return updateCounter;
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}
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}
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public Object getMutex() {
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return objectMutex;
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}
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public byte[] getBytes() {
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synchronized(objectMutex) {
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byte[] objects = { };
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int size = 0;
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for (Object o : list) {
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byte[] object = Baseline.toBytes(o);
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size += object.length;
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IoBuffer buffer = Delta.createBuffer(size);
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buffer.put(objects);
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if (addByte) buffer.put((byte) 0);
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buffer.put(object);
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buffer.flip();
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objects = buffer.array();
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}
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IoBuffer buffer = Delta.createBuffer(8 + size);
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buffer.putInt(list.size());
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buffer.putInt(updateCounter);
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buffer.put(objects);
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buffer.flip();
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return buffer.array();
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}
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}
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private boolean valid(Object o) {
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if (o instanceof String || o instanceof Byte || o instanceof Short ||
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o instanceof Integer || o instanceof Float || o instanceof Long ||
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o instanceof IDelta) {
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return true;
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} else {
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return false;
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}
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}
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private byte[] item(int type, int index, byte[] data, boolean useIndex, boolean useData) {
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int size = 1 + ((useIndex) ? 2 : 0) + ((useData) ? data.length : 0);
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IoBuffer buffer = Delta.createBuffer(size);
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buffer.put((byte) type);
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if (useIndex) buffer.putShort((short) index);
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if (useData) buffer.put(data);
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buffer.flip();
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updateCounter++;
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return buffer.array();
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}
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private void queue(byte[] data) {
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IoBuffer buffer = Delta.createBuffer((data.length + 8));
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buffer.putInt(1);
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buffer.putInt(updateCounter);
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buffer.put(data);
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buffer.flip();
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object.sendListDelta(viewType, updateType, buffer);
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}
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private void queue(List<byte[]> data) {
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int size = 0;
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for (byte[] queued : data) {
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size += queued.length;
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}
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IoBuffer buffer = Delta.createBuffer((size + 8));
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buffer.putInt(data.size());
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buffer.putInt(updateCounter);
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for (byte[] queued : data) buffer.put(queued);
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buffer.flip();
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object.sendListDelta(viewType, updateType, buffer);
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}
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}
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