diff options
Diffstat (limited to 'indra/llmath/lltreenode.h')
| -rwxr-xr-x[-rw-r--r--] | indra/llmath/lltreenode.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/indra/llmath/lltreenode.h b/indra/llmath/lltreenode.h index a462d1659e..0b479c4564 100644..100755 --- a/indra/llmath/lltreenode.h +++ b/indra/llmath/lltreenode.h @@ -28,6 +28,9 @@ #include "stdtypes.h" #include "xform.h" +#include "llpointer.h" +#include "llrefcount.h" + #include <vector> template <class T> class LLTreeNode; @@ -54,7 +57,14 @@ public: virtual bool remove(T* data); virtual void notifyRemoval(T* data); virtual U32 getListenerCount() { return mListeners.size(); } - virtual LLTreeListener<T>* getListener(U32 index) const { return mListeners[index]; } + virtual LLTreeListener<T>* getListener(U32 index) const + { + if(index < mListeners.size()) + { + return mListeners[index]; + } + return NULL; + } virtual void addListener(LLTreeListener<T>* listener) { mListeners.push_back(listener); } protected: |