fix(Scripts/DB): Add Prison to spawn Yor, move Yor AI from SAI (#3163)

src/server/scripts/Outland/Auchindoun/ManaTombs/boss_nexusprince_shaffar.cpp

@@ -156,7 +156,64 @@ class boss_nexusprince_shaffar : public CreatureScript
         };
 };
 
+enum Yor
+{
+    SPELL_DOUBLE_BREATH = 38361,
+    EVENT_DOUBLE_BREATH = 1
+};
+
+class npc_yor : public CreatureScript
+{
+public:
+    npc_yor() : CreatureScript("npc_yor") { }
+
+    CreatureAI* GetAI(Creature* creature) const
+    {
+        return new npc_yorAI(creature);
+    }
+
+    struct npc_yorAI : public ScriptedAI
+    {
+        npc_yorAI(Creature* creature) : ScriptedAI(creature) { }
+
+        void Reset() override { }
+
+        void EnterCombat(Unit* /*who*/) override
+        {
+            events.ScheduleEvent(EVENT_DOUBLE_BREATH, urand(6000, 9000));
+        }
+
+        void UpdateAI(uint32 diff) override
+        {
+            if (!UpdateVictim())
+                return;
+
+            events.Update(diff);
+
+            while (uint32 eventId = events.ExecuteEvent())
+            {
+                switch (eventId)
+                {
+                case EVENT_DOUBLE_BREATH:
+                    if (me->IsWithinDist(me->GetVictim(), ATTACK_DISTANCE))
+                        DoCastVictim(SPELL_DOUBLE_BREATH);
+                    events.ScheduleEvent(EVENT_DOUBLE_BREATH, urand(6000, 9000));
+                    break;
+                default:
+                    break;
+                }
+            }
+
+            DoMeleeAttackIfReady();
+        }
+
+    private:
+        EventMap events;
+    };
+};
+
 void AddSC_boss_nexusprince_shaffar()
 {
     new boss_nexusprince_shaffar();
+    new npc_yor();
 }