fix(Scripts/Karazhan): Midnight no longer evades during Attumen fight (#25610)

src/server/scripts/EasternKingdoms/Karazhan/boss_midnight.cpp

@@ -82,11 +82,6 @@ struct boss_attumen : public BossAI
         Initialize();
     }
 
-    bool CanMeleeHit()
-    {
-        return me->GetVictim() && (me->GetVictim()->GetPositionZ() < 53.0f || me->GetVictim()->GetDistance(me->GetHomePosition()) < 50.0f);
-    }
-
     void EnterEvadeMode(EvadeReason why) override
     {
         if (Creature* midnight = instance->GetCreature(DATA_MIDNIGHT))
@@ -215,18 +210,10 @@ struct boss_attumen : public BossAI
 
     void UpdateAI(uint32 diff) override
     {
-        if (_phase != PHASE_NONE)
+        if (_phase != PHASE_NONE && !UpdateVictim())
-        {
-            if (!UpdateVictim())
-            {
             return;
-            }
+
-        }
+        scheduler.Update(diff, [this] { DoMeleeAttackIfReady(); });
-        if (!CanMeleeHit())
-        {
-            BossAI::EnterEvadeMode(EvadeReason::EVADE_REASON_BOUNDARY);
-        }
-        scheduler.Update(diff, std::bind(&BossAI::DoMeleeAttackIfReady, this));
     }
 
     void SpellHit(Unit* /*caster*/, SpellInfo const* spellInfo) override

src/server/scripts/EasternKingdoms/Karazhan/instance_karazhan.cpp

@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "AreaBoundary.h"
 #include "Creature.h"
 #include "GameObject.h"
 #include "InstanceMapScript.h"
@@ -65,6 +66,12 @@ DoorData const doorData[] =
     { 0,                        0,              DOOR_TYPE_ROOM  }
 };
 
+BossBoundaryData const boundaries =
+{
+    { DATA_ATTUMEN,     new CircleBoundary(Position(-11126.3f, -1929.11f), 50.0f) },
+    { DATA_ATTUMEN,     new ZRangeBoundary(49.0f, 55.0f) },
+};
+
 class instance_karazhan : public InstanceMapScript
 {
 public:
@@ -81,6 +88,7 @@ public:
         {
             SetHeaders(DataHeader);
             SetBossNumber(EncounterCount);
+            LoadBossBoundaries(boundaries);
             LoadObjectData(creatureData, gameObjectData);
             LoadDoorData(doorData);