fix(Scripts/RuinsOfAhnQiraj): Implement Rajaxx waves (#12513)

src/server/game/AI/CreatureAI.cpp

@@ -27,6 +27,7 @@
 #include "Vehicle.h"
 #include "ScriptMgr.h"
 #include "Language.h"
+#include "ZoneScript.h"
 
 class PhasedRespawn : public BasicEvent
 {
@@ -308,6 +309,9 @@ bool CreatureAI::_EnterEvadeMode(EvadeReason /*why*/)
     me->SetLastDamagedTime(0);
     me->SetCannotReachTarget();
 
+    if (ZoneScript* zoneScript = me->GetZoneScript() ? me->GetZoneScript() : (ZoneScript*)me->GetInstanceScript())
+        zoneScript->OnCreatureEvade(me);
+
     if (me->IsInEvadeMode())
     {
         return false;

src/server/game/Entities/Creature/CreatureGroups.cpp

@@ -381,3 +381,40 @@ void CreatureGroup::LeaderMoveTo(float x, float y, float z, bool run)
         }
     }
 }
+
+void CreatureGroup::RespawnFormation(bool force)
+{
+    for (auto const& itr : m_members)
+    {
+        if (itr.first && !itr.first->IsAlive())
+        {
+            itr.first->Respawn(force);
+        }
+    }
+}
+
+bool CreatureGroup::IsFormationInCombat()
+{
+    for (auto const& itr : m_members)
+    {
+        if (itr.first && itr.first->IsInCombat())
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool CreatureGroup::IsAnyMemberAlive()
+{
+    for (auto const& itr : m_members)
+    {
+        if (itr.first && itr.first->IsAlive())
+        {
+            return true;
+        }
+    }
+
+    return false;
+}

src/server/game/Entities/Creature/CreatureGroups.h

@@ -109,6 +109,9 @@ public:
     void LeaderMoveTo(float x, float y, float z, bool run);
     void MemberEngagingTarget(Creature* member, Unit* target);
     void MemberEvaded(Creature* member);
+    void RespawnFormation(bool force = false);
+    [[nodiscard]] bool IsFormationInCombat();
+    [[nodiscard]] bool IsAnyMemberAlive();
 
 private:
     Creature* m_leader; //Important do not forget sometimes to work with pointers instead synonims :D:D

src/server/game/Maps/ZoneScript.h

@@ -39,6 +39,7 @@ public:
     virtual void OnGameObjectRemove(GameObject*) { }
 
     virtual void OnUnitDeath(Unit*) { }
+    virtual void OnCreatureEvade(Creature*) { }
 
     //All-purpose data storage 64 bit
     virtual ObjectGuid GetGuidData(uint32 /*DataId*/) const { return ObjectGuid::Empty; }