*Add function GetPlayer and GetCreature for scripts. Please try to not use GetUnit in the future.

--HG--
branch : trunk

src/game/Creature.cpp

@@ -124,7 +124,7 @@ bool AssistDelayEvent::Execute(uint64 /*e_time*/, uint32 /*p_time*/)
     {
         while (!m_assistants.empty())
         {
-            Creature* assistant = (Creature*)Unit::GetUnit(m_owner, *m_assistants.begin());
+            Creature* assistant = Unit::GetCreature(m_owner, *m_assistants.begin());
             m_assistants.pop_front();
 
             if (assistant && assistant->CanAssistTo(&m_owner, victim))

src/game/Unit.cpp

@@ -10436,6 +10436,16 @@ Unit* Unit::GetUnit(WorldObject& object, uint64 guid)
     return ObjectAccessor::GetUnit(object,guid);
 }
 
+Player* Unit::GetPlayer(uint64 guid)
+{
+    return ObjectAccessor::FindPlayer(guid);
+}
+
+Creature* Unit::GetCreature(WorldObject& object, uint64 guid)
+{
+    return ObjectAccessor::GetCreature(object, guid);
+}
+
 bool Unit::isVisibleForInState( Player const* u, bool inVisibleList ) const
 {
     return isVisibleForOrDetect(u, false, inVisibleList, false);

src/game/Unit.h

@@ -1363,6 +1363,8 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         void addFollower(FollowerReference* pRef) { m_FollowingRefManager.insertFirst(pRef); }
         void removeFollower(FollowerReference* /*pRef*/ ) { /* nothing to do yet */ }
         static Unit* GetUnit(WorldObject& object, uint64 guid);
+        static Player* GetPlayer(uint64 guid);
+        static Creature* GetCreature(WorldObject& object, uint64 guid);
 
         MotionMaster* GetMotionMaster() { return &i_motionMaster; }
 
@@ -1509,5 +1511,20 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         uint32 m_reducedThreatPercent;
         uint64 m_misdirectionTargetGUID;
 };
+
+namespace Trinity
+{
+    template<class T>
+    void RandomResizeList(std::list<T> &_list, uint32 _size)
+    {
+        while(_list.size() > _size)
+        {
+            typename std::list<T>::iterator itr = _list.begin();
+            advance(itr, urand(0, _list.size() - 1));
+            _list.erase(itr);
+        }
+    }
+}
+
 #endif