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-rw-r--r--core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java7
1 files changed, 7 insertions, 0 deletions
diff --git a/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java b/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java
index 37e4b1f..16990eb 100644
--- a/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java
+++ b/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java
@@ -38,6 +38,13 @@ public class ArrayListIt<E> extends ArrayList<E> implements Iterator, Iterable<E
return remove(0);
}
+ public boolean addUnique(E e)
+ {
+ if (contains(e)) return false;
+ super.add(e);
+ return true;
+ }
+
@Override
@SuppressWarnings("unchecked")
public Iterator<E> iterator()