Core/Entities: Fixed m_stringIds[0] invalidation when reloading creature_template with a gm command

(cherry picked from commit bec5bdb61b1b78ae7f750019b9a187b489ebb496)

5 files changed, 23 insertions, 22 deletions

diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 79e97628aa9..56cfb3713e8 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -251,9 +251,12 @@ bool ForcedDespawnDelayEvent::Execute(uint64 /*e_time*/, uint32 /*p_time*/)
 }
 
 Creature::Creature(bool isWorldObject): Unit(isWorldObject), MapObject(), m_groupLootTimer(0), lootingGroupLowGUID(0), m_PlayerDamageReq(0), m_lootRecipient(), m_lootRecipientGroup(0), _pickpocketLootRestore(0),
-    m_corpseRemoveTime(0), m_respawnTime(0), m_respawnDelay(300), m_corpseDelay(60), m_ignoreCorpseDecayRatio(false), m_wanderDistance(0.0f), m_boundaryCheckTime(2500), m_combatPulseTime(0), m_combatPulseDelay(0), m_reactState(REACT_AGGRESSIVE),
-    m_defaultMovementType(IDLE_MOTION_TYPE), m_spawnId(0), m_equipmentId(0), m_originalEquipmentId(0), m_AlreadyCallAssistance(false), m_AlreadySearchedAssistance(false), m_cannotReachTarget(false), m_cannotReachTimer(0),
-    m_meleeDamageSchoolMask(SPELL_SCHOOL_MASK_NORMAL), m_originalEntry(0), m_homePosition(), m_transportHomePosition(), m_creatureInfo(nullptr), m_creatureData(nullptr), _waypointPathId(0), _currentWaypointNodeInfo(0, 0),
+    m_corpseRemoveTime(0), m_respawnTime(0), m_respawnDelay(300), m_corpseDelay(60), m_ignoreCorpseDecayRatio(false), m_wanderDistance(0.0f),
+    m_boundaryCheckTime(2500), m_combatPulseTime(0), m_combatPulseDelay(0), m_reactState(REACT_AGGRESSIVE),
+    m_defaultMovementType(IDLE_MOTION_TYPE), m_spawnId(0), m_equipmentId(0), m_originalEquipmentId(0),
+    m_AlreadyCallAssistance(false), m_AlreadySearchedAssistance(false), m_cannotReachTarget(false), m_cannotReachTimer(0),
+    m_meleeDamageSchoolMask(SPELL_SCHOOL_MASK_NORMAL), m_originalEntry(0), m_homePosition(), m_transportHomePosition(),
+    m_creatureInfo(nullptr), m_creatureData(nullptr), m_stringIds(), _waypointPathId(0), _currentWaypointNodeInfo(0, 0),
     m_formation(nullptr), m_triggerJustAppeared(true), m_respawnCompatibilityMode(false), _lastDamagedTime(0),
     _regenerateHealth(true), _regenerateHealthLock(false), _isMissingCanSwimFlagOutOfCombat(false)
 {
@@ -635,7 +638,7 @@ bool Creature::UpdateEntry(uint32 entry, CreatureData const* data /*= nullptr*/,
     //We must update last scriptId or it looks like we reloaded a script, breaking some things such as gossip temporarily
     LastUsedScriptID = GetScriptId();
 
-    m_stringIds[AsUnderlyingType(StringIdType::Template)] = cInfo->StringId;
+    m_stringIds[AsUnderlyingType(StringIdType::Template)] = &cInfo->StringId;
 
     return true;
 }
@@ -1687,7 +1690,7 @@ bool Creature::LoadFromDB(ObjectGuid::LowType spawnId, Map* map, bool addToMap,
     // checked at creature_template loading
     m_defaultMovementType = MovementGeneratorType(data->movementType);
 
-    m_stringIds[AsUnderlyingType(StringIdType::Spawn)] = data->StringId;
+    m_stringIds[AsUnderlyingType(StringIdType::Spawn)] = &data->StringId;
 
     if (addToMap && !GetMap()->AddToMap(this))
         return false;
@@ -2787,7 +2790,7 @@ void Creature::InheritStringIds(Creature const* parent)
 
 bool Creature::HasStringId(std::string_view id) const
 {
-    return std::find(m_stringIds.begin(), m_stringIds.end(), id) != m_stringIds.end();
+    return std::ranges::any_of(m_stringIds, [id](std::string const* stringId) { return stringId && *stringId == id; });
 }
 
 void Creature::SetScriptStringId(std::string id)
@@ -2795,12 +2798,12 @@ void Creature::SetScriptStringId(std::string id)
     if (!id.empty())
     {
         m_scriptStringId.emplace(std::move(id));
-        m_stringIds[AsUnderlyingType(StringIdType::Script)] = *m_scriptStringId;
+        m_stringIds[AsUnderlyingType(StringIdType::Script)] = &*m_scriptStringId;
     }
     else
     {
         m_scriptStringId.reset();
-        m_stringIds[AsUnderlyingType(StringIdType::Script)] = {};
+        m_stringIds[AsUnderlyingType(StringIdType::Script)] = nullptr;
     }
 }
 
diff --git a/src/server/game/Entities/Creature/Creature.h b/src/server/game/Entities/Creature/Creature.h
index b2768a45643..1c1504d74e3 100644
--- a/src/server/game/Entities/Creature/Creature.h
+++ b/src/server/game/Entities/Creature/Creature.h
@@ -201,8 +201,7 @@ class TC_GAME_API Creature : public Unit, public GridObject<Creature>, public Ma
         void InheritStringIds(Creature const* parent);
         bool HasStringId(std::string_view id) const;
         void SetScriptStringId(std::string id);
-        std::array<std::string_view, 3> const& GetStringIds() const { return m_stringIds; }
-        std::string_view GetStringId(StringIdType type) const { return m_stringIds[size_t(type)]; }
+        std::string_view GetStringId(StringIdType type) const { return m_stringIds[size_t(type)] ? std::string_view(*m_stringIds[size_t(type)]) : std::string_view(); }
 
         // override WorldObject function for proper name localization
         std::string const& GetNameForLocaleIdx(LocaleConstant locale_idx) const override;
@@ -426,7 +425,7 @@ class TC_GAME_API Creature : public Unit, public GridObject<Creature>, public Ma
 
         CreatureTemplate const* m_creatureInfo;                 // Can differ from sObjectMgr->GetCreatureTemplate(GetEntry()) in difficulty mode > 0
         CreatureData const* m_creatureData;
-        std::array<std::string_view, 3> m_stringIds;
+        std::array<std::string const*, 3> m_stringIds;
         Optional<std::string> m_scriptStringId;
 
         uint16 m_LootMode;                                  // Bitmask (default: LOOT_MODE_DEFAULT) that determines what loot will be lootable
diff --git a/src/server/game/Entities/GameObject/GameObject.cpp b/src/server/game/Entities/GameObject/GameObject.cpp
index 2e2b11b2e62..db28b515d04 100644
--- a/src/server/game/Entities/GameObject/GameObject.cpp
+++ b/src/server/game/Entities/GameObject/GameObject.cpp
@@ -108,7 +108,7 @@ QuaternionData QuaternionData::fromEulerAnglesZYX(float Z, float Y, float X)
 }
 
 GameObject::GameObject() : WorldObject(false), MapObject(),
-    m_model(nullptr), m_goValue(), m_AI(nullptr), m_respawnCompatibilityMode(false)
+    m_model(nullptr), m_goValue(), m_stringIds(), m_AI(nullptr), m_respawnCompatibilityMode(false)
 {
     m_objectType |= TYPEMASK_GAMEOBJECT;
     m_objectTypeId = TYPEID_GAMEOBJECT;
@@ -418,7 +418,7 @@ bool GameObject::Create(ObjectGuid::LowType guidlow, uint32 name_id, Map* map, u
 
     LastUsedScriptID = GetGOInfo()->ScriptId;
 
-    m_stringIds[AsUnderlyingType(StringIdType::Template)] = goinfo->StringId;
+    m_stringIds[AsUnderlyingType(StringIdType::Template)] = &goinfo->StringId;
 
     AIM_Initialize();
 
@@ -1145,7 +1145,7 @@ bool GameObject::LoadFromDB(ObjectGuid::LowType spawnId, Map* map, bool addToMap
 
     m_goData = data;
 
-    m_stringIds[AsUnderlyingType(StringIdType::Spawn)] = data->StringId;
+    m_stringIds[AsUnderlyingType(StringIdType::Spawn)] = &data->StringId;
 
     if (addToMap && !GetMap()->AddToMap(this))
         return false;
@@ -2286,7 +2286,7 @@ void GameObject::InheritStringIds(GameObject const* parent)
 
 bool GameObject::HasStringId(std::string_view id) const
 {
-    return std::find(m_stringIds.begin(), m_stringIds.end(), id) != m_stringIds.end();
+    return std::ranges::any_of(m_stringIds, [id](std::string const* stringId) { return stringId && *stringId == id; });
 }
 
 void GameObject::SetScriptStringId(std::string id)
@@ -2294,12 +2294,12 @@ void GameObject::SetScriptStringId(std::string id)
     if (!id.empty())
     {
         m_scriptStringId.emplace(std::move(id));
-        m_stringIds[AsUnderlyingType(StringIdType::Script)] = *m_scriptStringId;
+        m_stringIds[AsUnderlyingType(StringIdType::Script)] = &*m_scriptStringId;
     }
     else
     {
         m_scriptStringId.reset();
-        m_stringIds[AsUnderlyingType(StringIdType::Script)] = {};
+        m_stringIds[AsUnderlyingType(StringIdType::Script)] = nullptr;
     }
 }
 
diff --git a/src/server/game/Entities/GameObject/GameObject.h b/src/server/game/Entities/GameObject/GameObject.h
index 7c412f01477..a73e6ce8fff 100644
--- a/src/server/game/Entities/GameObject/GameObject.h
+++ b/src/server/game/Entities/GameObject/GameObject.h
@@ -277,8 +277,7 @@ class TC_GAME_API GameObject : public WorldObject, public GridObject<GameObject>
         void InheritStringIds(GameObject const* parent);
         bool HasStringId(std::string_view id) const;
         void SetScriptStringId(std::string id);
-        std::array<std::string_view, 3> const& GetStringIds() const { return m_stringIds; }
-        std::string_view GetStringId(StringIdType type) const { return m_stringIds[size_t(type)]; }
+        std::string_view GetStringId(StringIdType type) const { return m_stringIds[size_t(type)] ? std::string_view(*m_stringIds[size_t(type)]) : std::string_view(); }
 
         void SetDisplayId(uint32 displayid);
         uint32 GetDisplayId() const { return GetUInt32Value(GAMEOBJECT_DISPLAYID); }
@@ -345,7 +344,7 @@ class TC_GAME_API GameObject : public WorldObject, public GridObject<GameObject>
         GameObjectTemplateAddon const* m_goTemplateAddon;
         GameObjectData const* m_goData;
         GameObjectValue m_goValue;
-        std::array<std::string_view, 3> m_stringIds;
+        std::array<std::string const*, 3> m_stringIds;
         Optional<std::string> m_scriptStringId;
 
         int64 m_packedRotation;
diff --git a/src/server/scripts/Commands/cs_npc.cpp b/src/server/scripts/Commands/cs_npc.cpp
index eacccbbdd8d..15150eea1c5 100644
--- a/src/server/scripts/Commands/cs_npc.cpp
+++ b/src/server/scripts/Commands/cs_npc.cpp
@@ -507,8 +507,8 @@ public:
         handler->PSendSysMessage(LANG_NPCINFO_ARMOR, target->GetArmor());
         handler->PSendSysMessage(LANG_NPCINFO_POSITION, target->GetPositionX(), target->GetPositionY(), target->GetPositionZ());
         handler->PSendSysMessage(LANG_OBJECTINFO_AIINFO, target->GetAIName().c_str(), target->GetScriptName().c_str());
-        handler->PSendSysMessage(LANG_OBJECTINFO_STRINGIDS, STRING_VIEW_FMT_ARG(target->GetStringIds()[0]),
-            STRING_VIEW_FMT_ARG(target->GetStringIds()[1]), STRING_VIEW_FMT_ARG(target->GetStringIds()[2]));
+        handler->PSendSysMessage(LANG_OBJECTINFO_STRINGIDS, STRING_VIEW_FMT_ARG(target->GetStringId(StringIdType::Template)),
+            STRING_VIEW_FMT_ARG(target->GetStringId(StringIdType::Spawn)), STRING_VIEW_FMT_ARG(target->GetStringId(StringIdType::Script)));
         handler->PSendSysMessage(LANG_NPCINFO_REACTSTATE, DescribeReactState(target->GetReactState()));
         if (CreatureAI const* ai = target->AI())
             handler->PSendSysMessage(LANG_OBJECTINFO_AITYPE, Trinity::GetTypeName(*ai).c_str());