Fix iterator remove() for NPCs

This commit is contained in:
fullwall 2013-11-07 00:24:26 +08:00
parent 6c5ebcddee
commit 63cc59c833
3 changed files with 30 additions and 4 deletions

View File

@ -114,8 +114,9 @@ public class Citizens extends JavaPlugin implements CitizensPlugin {
NPC npc = itr.next();
try {
npc.despawn(DespawnReason.REMOVAL);
for (Trait trait : npc.getTraits())
for (Trait trait : npc.getTraits()) {
trait.onRemove();
}
} catch (Throwable e) {
e.printStackTrace();
// ensure that all entities are despawned

View File

@ -158,6 +158,12 @@ public class ByIdArray<T> implements Iterable<T> {
}
}
private void advance() {
do {
idx++;
} while (idx != highest + 1 && elementData[idx] == null);
}
@Override
public boolean hasNext() {
if (modCount != expected) {
@ -176,9 +182,7 @@ public class ByIdArray<T> implements Iterable<T> {
T next = (T) elementData[idx];
if (next == null)
throw new NoSuchElementException();
do {
idx++;
} while (idx != highest + 1 && elementData[idx] == null);
advance();
return next;
}
@ -186,8 +190,11 @@ public class ByIdArray<T> implements Iterable<T> {
public void remove() {
if (modCount != expected)
throw new ConcurrentModificationException();
if (elementData[idx] == null)
throw new NoSuchElementException();
fastRemove(idx);
expected = modCount;
advance();
}
}

View File

@ -3,6 +3,8 @@ package net.citizensnpcs.util;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.util.Iterator;
import org.junit.Test;
import com.google.common.collect.Iterables;
@ -45,6 +47,22 @@ public class ByIdArrayTest {
assertSize(array, 2);
}
@Test
public void testIteratorRemove() {
ByIdArray<Integer> array = ByIdArray.create();
array.put(10, 1);
array.put(20, 2);
array.put(30, 3);
Iterator<Integer> itr = array.iterator();
itr.next();
itr.remove();
itr.next();
assertSize(array, 2);
assertThat(array.contains(20), is(false));
assertThat(array.get(10), is(1));
assertThat(array.get(30), is(3));
}
@Test
public void testPut() {
ByIdArray<Integer> array = ByIdArray.create();