Core/SmartAI: added TARGET_OWNER_OR_SUMMONER, useful if you have a creature summoned by a spell, you can use Summoner as target

--HG--
branch : trunk

src/server/game/AI/SmartScripts/SmartScript.cpp

@@ -1440,6 +1440,14 @@ ObjectList* SmartScript::GetTargets(SmartScriptHolder e, Unit* invoker)
                     l->push_back(target);
                 break;
             }
+        case SMART_TARGET_OWNER_OR_SUMMONER:
+            {
+                if (!me) return NULL;
+                uint64 guid = me->GetCharmerOrOwnerGUID();
+                if (Unit* owner = ObjectAccessor::GetUnit(*me, guid))
+                    l->push_back(owner);
+                break;
+            }
         case SMART_TARGET_POSITION:
         default:
             return NULL;

src/server/game/AI/SmartScripts/SmartScriptMgr.cpp

@@ -278,6 +278,7 @@ bool SmartAIMgr::IsTargetValid(SmartScriptHolder e)
         case SMART_TARGET_CLOSEST_GAMEOBJECT:
         case SMART_TARGET_CLOSEST_PLAYER:
         case SMART_TARGET_ACTION_INVOKER_VEHICLE:
+        case SMART_TARGET_OWNER_OR_SUMMONER:
             break;
         default:
             sLog.outErrorDb("SmartAIMgr: Not handled target_type(%u), Entry %d SourceType %u Event %u Action %u, skipped.", e.GetTargetType(), e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType());

src/server/game/AI/SmartScripts/SmartScriptMgr.h

@@ -830,7 +830,8 @@ enum SMARTAI_TARGETS
     SMART_TARGET_CLOSEST_GAMEOBJECT             = 20,   // entry(0any)
     SMART_TARGET_CLOSEST_PLAYER                 = 21,   // none
     SMART_TARGET_ACTION_INVOKER_VEHICLE         = 22,   // Unit's vehicle who caused this Event to occur
-    SMART_TARGET_END                            = 23,
+    SMART_TARGET_OWNER_OR_SUMMONER              = 23,   // Unit's owner or summoner
+    SMART_TARGET_END                            = 24,
 };
 
 struct SmartTarget