fix(Scripts/TempleOfAhnQiraj): Fix crash caused by permanently spawni… (#13698)

fix(Scripts/TempleOfAhnQiraj): Fix crash caused by permanently spawning a tentacle

src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_cthun.cpp

@@ -602,6 +602,8 @@ struct npc_eye_tentacle : public ScriptedAI
             portal->SetReactState(REACT_PASSIVE);
             _portalGUID = portal->GetGUID();
 
+            if (me->ToTempSummon())
+            {
                 if (Unit* summoner = me->ToTempSummon()->GetSummonerUnit())
                 {
                     if (Creature* creature = summoner->ToCreature())
@@ -610,6 +612,7 @@ struct npc_eye_tentacle : public ScriptedAI
                     }
                 }
             }
+        }
 
         SetCombatMovement(false);
     }
@@ -673,6 +676,8 @@ struct npc_claw_tentacle : public ScriptedAI
             portal->SetReactState(REACT_PASSIVE);
             _portalGUID = portal->GetGUID();
 
+            if (me->ToTempSummon())
+            {
                 if (Unit* summoner = me->ToTempSummon()->GetSummonerUnit())
                 {
                     if (Creature* creature = summoner->ToCreature())
@@ -682,6 +687,7 @@ struct npc_claw_tentacle : public ScriptedAI
                 }
             }
         }
+    }
 
     void JustDied(Unit* /*killer*/) override
     {
@@ -740,6 +746,8 @@ struct npc_giant_claw_tentacle : public ScriptedAI
             portal->SetReactState(REACT_PASSIVE);
             _portalGUID = portal->GetGUID();
 
+            if (me->ToTempSummon())
+            {
                 if (Unit* summoner = me->ToTempSummon()->GetSummonerUnit())
                 {
                     if (Creature* creature = summoner->ToCreature())
@@ -748,6 +756,7 @@ struct npc_giant_claw_tentacle : public ScriptedAI
                     }
                 }
             }
+        }
 
         _canAttack = false;
     }
@@ -771,24 +780,10 @@ struct npc_giant_claw_tentacle : public ScriptedAI
     void EnterCombat(Unit* /*who*/) override
     {
         DoZoneInCombat();
-
+        ScheduleTasks();
-        _scheduler.Schedule(2s, [this](TaskContext context)
-        {
-                DoCastVictim(SPELL_HAMSTRING);
-                context.Repeat(10s);
-        }).Schedule(5s, [this](TaskContext context)
-        {
-            DoCastSelf(SPELL_THRASH);
-            context.Repeat(10s);
-        }).Schedule(3s, [this](TaskContext /*context*/)
-        {
-            _canAttack = true;
-        });
-
-        ScheduleMeleeCheck();
     }
 
-    void ScheduleMeleeCheck()
+    void ScheduleTasks()
     {
         // Check if a target is in melee range
         _scheduler.Schedule(10s, [this](TaskContext task)
@@ -810,6 +805,17 @@ struct npc_giant_claw_tentacle : public ScriptedAI
                 }
 
                 task.Repeat();
+            }).Schedule(2s, [this](TaskContext context)
+            {
+                DoCastVictim(SPELL_HAMSTRING);
+                context.Repeat(10s);
+            }).Schedule(5s, [this](TaskContext context)
+            {
+                DoCastSelf(SPELL_THRASH);
+                context.Repeat(10s);
+            }).Schedule(3s, [this](TaskContext /*context*/)
+            {
+                _canAttack = true;
             });
     }
 
@@ -856,13 +862,8 @@ struct npc_giant_claw_tentacle : public ScriptedAI
             DoCastAOE(SPELL_MASSIVE_GROUND_RUPTURE, true);
             me->RemoveUnitFlag(UNIT_FLAG_NOT_SELECTABLE | UNIT_FLAG_NON_ATTACKABLE);
 
-            ScheduleMeleeCheck();
+            ScheduleTasks();
         }
-
-        _scheduler.Schedule(3s, [this](TaskContext /*context*/)
-        {
-            _canAttack = true;
-        });
     }
 
     void UpdateAI(uint32 diff) override
@@ -896,6 +897,8 @@ struct npc_giant_eye_tentacle : public ScriptedAI
             portal->SetReactState(REACT_PASSIVE);
             _portalGUID = portal->GetGUID();
 
+            if (me->ToTempSummon())
+            {
                 if (Unit* summoner = me->ToTempSummon()->GetSummonerUnit())
                 {
                     if (Creature* creature = summoner->ToCreature())
@@ -905,6 +908,7 @@ struct npc_giant_eye_tentacle : public ScriptedAI
                 }
             }
         }
+    }
 
     void JustDied(Unit* /*killer*/) override
     {