Utilities/EventProcessor: Added a overload to AddEventAtOffset accept rand time

src/common/Utilities/EventProcessor.h

@@ -22,6 +22,7 @@
 #include "Define.h"
 #include "Duration.h"
 #include <map>
+#include "Random.h"
 
 class EventProcessor;
 
@@ -81,6 +82,7 @@ class TC_COMMON_API EventProcessor
         void KillAllEvents(bool force);
         void AddEvent(BasicEvent* event, uint64 e_time, bool set_addtime = true);
         void AddEventAtOffset(BasicEvent* event, Milliseconds offset) { AddEvent(event, CalculateTime(offset.count())); }
+        void AddEventAtOffset(BasicEvent* event, Milliseconds offset, Milliseconds offset2) { AddEvent(event, CalculateTime(urand(offset.count(), offset2.count()))); }
         void ModifyEventTime(BasicEvent* event, uint64 newTime);
         uint64 CalculateTime(uint64 t_offset) const { return m_time + t_offset; }