feat(Core/SmartScripts): SMART_EVENT_SUMMONED_UNIT_DIES (#9979)

src/server/game/AI/CoreAI/GameObjectAI.h

@@ -65,6 +65,8 @@ public:
     virtual void EventInform(uint32 /*eventId*/) {}
     virtual void SpellHit(Unit* /*unit*/, const SpellInfo* /*spellInfo*/) {}
     virtual bool CanBeSeen(Player const* /*seer*/) { return true; }
+
+    virtual void SummonedCreatureDies(Creature* /*summon*/, Unit* /*killer*/) { }
 };
 
 class NullGameObjectAI : public GameObjectAI

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

@@ -794,6 +794,11 @@ void SmartAI::JustSummoned(Creature* creature)
     GetScript()->ProcessEventsFor(SMART_EVENT_SUMMONED_UNIT, creature);
 }
 
+void SmartAI::SummonedCreatureDies(Creature* summon, Unit* /*killer*/)
+{
+    GetScript()->ProcessEventsFor(SMART_EVENT_SUMMONED_UNIT_DIES, summon);
+}
+
 void SmartAI::AttackStart(Unit* who)
 {
     // xinef: dont allow charmed npcs to act on their own
@@ -1084,6 +1089,11 @@ void SmartAI::OnSpellClick(Unit* clicker, bool&  /*result*/)
     GetScript()->ProcessEventsFor(SMART_EVENT_ON_SPELLCLICK, clicker);
 }
 
+void SmartGameObjectAI::SummonedCreatureDies(Creature* summon, Unit* /*killer*/)
+{
+    GetScript()->ProcessEventsFor(SMART_EVENT_SUMMONED_UNIT_DIES, summon);
+}
+
 int SmartGameObjectAI::Permissible(const GameObject* g)
 {
     if (g->GetAIName() == "SmartGameObjectAI")

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

@@ -91,6 +91,9 @@ public:
     // Called when the creature summon successfully other creature
     void JustSummoned(Creature* creature) override;
 
+    // Called when a summoned unit dies
+    void SummonedCreatureDies(Creature* summon, Unit* killer) override;
+
     // Tell creature to attack and follow the victim
     void AttackStart(Unit* who) override;
 
@@ -270,6 +273,9 @@ public:
     void EventInform(uint32 eventId) override;
     void SpellHit(Unit* unit, const SpellInfo* spellInfo) override;
 
+    // Called when a summoned unit dies
+    void SummonedCreatureDies(Creature* summon, Unit* killer) override;
+
 protected:
     SmartScript mScript;
 };

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

@@ -4194,6 +4194,7 @@ void SmartScript::ProcessEvent(SmartScriptHolder& e, Unit* unit, uint32 var0, ui
                 break;
             }
         case SMART_EVENT_SUMMONED_UNIT:
+        case SMART_EVENT_SUMMONED_UNIT_DIES:
             {
                 if (!IsCreature(unit))
                     return;

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

@@ -362,6 +362,7 @@ bool SmartAIMgr::IsTargetValid(SmartScriptHolder const& e)
         case SMART_TARGET_RANDOM_POINT:
         case SMART_TARGET_ROLE_SELECTION:
         case SMART_TARGET_LOOT_RECIPIENTS:
+        case SMART_EVENT_SUMMONED_UNIT_DIES:
             break;
         default:
             LOG_ERROR("sql.sql", "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());
@@ -553,6 +554,7 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
                 break;
             case SMART_EVENT_SUMMON_DESPAWNED:
             case SMART_EVENT_SUMMONED_UNIT:
+            case SMART_EVENT_SUMMONED_UNIT_DIES:
                 if (e.event.summoned.creature && !IsCreatureValid(e, e.event.summoned.creature))
                     return false;
 

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

@@ -183,6 +183,8 @@ enum SMART_EVENT
 
     SMART_EVENT_TC_END                   = 78,
 
+    SMART_EVENT_SUMMONED_UNIT_DIES       = 82,      // CreatureId(0 all), CooldownMin, CooldownMax
+
     /* AC Custom Events */
     SMART_EVENT_AC_START                 = 100,
 
@@ -1658,7 +1660,7 @@ const uint32 SmartAIEventMask[SMART_EVENT_AC_END][2] =
     { 0, 0 }, // 79
     { 0, 0 }, // 80
     { 0, 0 }, // 81
-    { 0, 0 }, // 82
+    {SMART_EVENT_SUMMONED_UNIT_DIES,        SMART_SCRIPT_TYPE_MASK_CREATURE + SMART_SCRIPT_TYPE_MASK_GAMEOBJECT },
     { 0, 0 }, // 83
     { 0, 0 }, // 84
     { 0, 0 }, // 85