114 lines
2.3 KiB
Java
114 lines
2.3 KiB
Java
package osiris.game.model;
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/*
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* Osiris Emulator
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* Copyright (C) 2011 Garrett Woodard, Blake Beaupain, Travis Burtrum
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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 Affero 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero 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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import java.util.Iterator;
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import java.util.NoSuchElementException;
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// TODO: Auto-generated Javadoc
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/**
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* The Class EntityListIterator.
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*
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* @author Blake
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* @param <C>
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* the element type
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*
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*/
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public class CharacterGroupIterator<C extends Character> implements Iterator<C> {
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/**
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* The entities.
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*/
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private Character[] entities;
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/**
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* The entity list.
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*/
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private CharacterGroup<C> entityList;
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/**
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* The previous index.
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*/
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private int lastIndex = -1;
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/**
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* The current index.
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*/
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private int cursor = 0;
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/**
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* The size of the list.
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*/
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private int size;
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/**
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* Creates an entity list iterator.
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*
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* @param entityList
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* The entity list.
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*/
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public CharacterGroupIterator(CharacterGroup<C> entityList) {
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this.entityList = entityList;
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entities = entityList.toArray(new Character[0]);
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size = entities.length;
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.Iterator#hasNext()
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*/
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@Override
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public boolean hasNext() {
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return cursor < size;
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.Iterator#next()
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*/
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@SuppressWarnings("unchecked")
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@Override
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public C next() {
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if (!hasNext()) {
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throw new NoSuchElementException();
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}
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lastIndex = cursor++;
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return (C) entities[lastIndex];
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.Iterator#remove()
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*/
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@Override
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public void remove() {
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if (lastIndex == -1) {
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throw new IllegalStateException();
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}
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entityList.remove(entities[lastIndex]);
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}
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} |