Scripts/Creature: Replace trigger_periodic with unique scripts (#27240)

(cherry picked from commit 7a307ebb6d08f614f11020418fa1c697f084a6bc)

3 files changed, 32 insertions, 66 deletions

diff --git a/src/server/scripts/World/mob_generic_creature.cpp b/src/server/scripts/World/mob_generic_creature.cpp
deleted file mode 100644
index b4817c81523..00000000000
--- a/src/server/scripts/World/mob_generic_creature.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "ScriptMgr.h"
-#include "Creature.h"
-#include "Map.h"
-#include "PassiveAI.h"
-#include "SpellInfo.h"
-#include "SpellMgr.h"
-
-class trigger_periodic : public CreatureScript
-{
-public:
-    trigger_periodic() : CreatureScript("trigger_periodic") { }
-
-    struct trigger_periodicAI : public NullCreatureAI
-    {
-        trigger_periodicAI(Creature* creature) : NullCreatureAI(creature)
-        {
-            spell = me->m_spells[0] ? sSpellMgr->GetSpellInfo(me->m_spells[0], me->GetMap()->GetDifficultyID()) : nullptr;
-            interval = me->GetBaseAttackTime(BASE_ATTACK);
-            timer = interval;
-        }
-
-        uint32 timer, interval;
-        SpellInfo const* spell;
-
-        void UpdateAI(uint32 diff) override
-        {
-            if (timer <= diff)
-            {
-                if (spell)
-                    me->CastSpell(me, spell->Id, CastSpellExtraArgs(TRIGGERED_FULL_MASK).SetCastDifficulty(spell->Difficulty));
-                timer = interval;
-            }
-            else
-                timer -= diff;
-        }
-    };
-
-    CreatureAI* GetAI(Creature* creature) const override
-    {
-        return new trigger_periodicAI(creature);
-    }
-};
-
-void AddSC_generic_creature()
-{
-    new trigger_periodic();
-}
diff --git a/src/server/scripts/World/npcs_special.cpp b/src/server/scripts/World/npcs_special.cpp
index 4ebe7e96499..32f6c9bde6f 100644
--- a/src/server/scripts/World/npcs_special.cpp
+++ b/src/server/scripts/World/npcs_special.cpp
@@ -2598,6 +2598,37 @@ public:
     }
 };
 
+enum VoidZone
+{
+    SPELL_CONSUMPTION     = 28874
+};
+
+struct npc_gen_void_zone : public ScriptedAI
+{
+    npc_gen_void_zone(Creature* creature) : ScriptedAI(creature) { }
+
+    void InitializeAI() override
+    {
+        me->SetReactState(REACT_PASSIVE);
+    }
+
+    void JustAppeared() override
+    {
+        _scheduler.Schedule(2s, [this](TaskContext /*task*/)
+        {
+            DoCastSelf(SPELL_CONSUMPTION);
+        });
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        _scheduler.Update(diff);
+    }
+
+private:
+    TaskScheduler _scheduler;
+};
+
 void AddSC_npcs_special()
 {
     new npc_air_force_bots();
@@ -2622,4 +2653,5 @@ void AddSC_npcs_special()
     new npc_train_wrecker();
     new npc_argent_squire_gruntling();
     new npc_bountiful_table();
+    RegisterCreatureAI(npc_gen_void_zone);
 }
diff --git a/src/server/scripts/World/world_script_loader.cpp b/src/server/scripts/World/world_script_loader.cpp
index ea930bd7529..3e28250d381 100644
--- a/src/server/scripts/World/world_script_loader.cpp
+++ b/src/server/scripts/World/world_script_loader.cpp
@@ -22,7 +22,6 @@
 void AddSC_areatrigger_scripts();
 void AddSC_conversation_scripts();
 void AddSC_emerald_dragons();
-void AddSC_generic_creature();
 void AddSC_go_scripts();
 void AddSC_npc_guard();
 void AddSC_item_scripts();
@@ -44,7 +43,6 @@ void AddWorldScripts()
     AddSC_areatrigger_scripts();
     AddSC_conversation_scripts();
     AddSC_emerald_dragons();
-    AddSC_generic_creature();
     AddSC_go_scripts();
     AddSC_npc_guard();
     AddSC_item_scripts();