Core/Creatures: Implement StringId for Creatures, a custom identifier to make finding specific creatures in script easier (#28500)

Allows targeting specific spawns without hardcoding guids or find a bunch of different creatures with a single search

Co-authored-by: Shauren <shauren.trinity@gmail.com>
(cherry picked from commit 61c51b76c00d932a9180bc6781a244dc18375ef7)

13 files changed, 124 insertions, 14 deletions

diff --git a/sql/updates/world/3.3.5/2024_10_05_00_world_2022_12_27_01_world.sql b/sql/updates/world/3.3.5/2024_10_05_00_world_2022_12_27_01_world.sql
new file mode 100644
index 00000000000..5e0f6fd45c8
--- /dev/null
+++ b/sql/updates/world/3.3.5/2024_10_05_00_world_2022_12_27_01_world.sql
@@ -0,0 +1,8 @@
+--
+DELETE FROM `trinity_string` WHERE `entry`=5089;
+INSERT INTO `trinity_string` (`entry`,`content_default`) VALUES
+(5089,'Template StringID: %.*s\Spawn StringID: %.*s\nScript StringID: %.*s');
+
+ALTER TABLE `creature` ADD `StringId` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT NULL AFTER ScriptName;
+  
+ALTER TABLE `creature_template` ADD `StringId` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT NULL AFTER ScriptName;
diff --git a/src/server/database/Database/Implementation/WorldDatabase.cpp b/src/server/database/Database/Implementation/WorldDatabase.cpp
index 372f64a273c..b28abd0e7fc 100644
--- a/src/server/database/Database/Implementation/WorldDatabase.cpp
+++ b/src/server/database/Database/Implementation/WorldDatabase.cpp
@@ -77,7 +77,7 @@ void WorldDatabaseConnection::DoPrepareStatements()
     PrepareStatement(WORLD_SEL_WAYPOINT_SCRIPT_ID_BY_GUID, "SELECT id FROM waypoint_scripts WHERE guid = ?", CONNECTION_SYNCH);
     PrepareStatement(WORLD_DEL_CREATURE, "DELETE FROM creature WHERE guid = ?", CONNECTION_ASYNC);
     PrepareStatement(WORLD_SEL_COMMANDS, "SELECT name, help FROM command", CONNECTION_SYNCH);
-    PrepareStatement(WORLD_SEL_CREATURE_TEMPLATE, "SELECT entry, difficulty_entry_1, difficulty_entry_2, difficulty_entry_3, KillCredit1, KillCredit2, modelid1, modelid2, modelid3, modelid4, name, subname, IconName, gossip_menu_id, minlevel, maxlevel, exp, faction, npcflag, speed_walk, speed_run, scale, `rank`, dmgschool, BaseAttackTime, RangeAttackTime, BaseVariance, RangeVariance, unit_class, unit_flags, unit_flags2, dynamicflags, family, type, type_flags, lootid, pickpocketloot, skinloot, PetSpellDataId, VehicleId, mingold, maxgold, AIName, MovementType, ctm.Ground, ctm.Swim, ctm.Flight, ctm.Rooted, ctm.Chase, ctm.Random, ctm.InteractionPauseTimer, HoverHeight, HealthModifier, ManaModifier, ArmorModifier, DamageModifier, ExperienceModifier, RacialLeader, movementId, RegenHealth, mechanic_immune_mask, spell_school_immune_mask, flags_extra, ScriptName FROM creature_template ct LEFT JOIN creature_template_movement ctm ON ct.entry = ctm.CreatureId WHERE entry = ?", CONNECTION_SYNCH);
+    PrepareStatement(WORLD_SEL_CREATURE_TEMPLATE, "SELECT entry, difficulty_entry_1, difficulty_entry_2, difficulty_entry_3, KillCredit1, KillCredit2, modelid1, modelid2, modelid3, modelid4, name, subname, IconName, gossip_menu_id, minlevel, maxlevel, exp, faction, npcflag, speed_walk, speed_run, scale, `rank`, dmgschool, BaseAttackTime, RangeAttackTime, BaseVariance, RangeVariance, unit_class, unit_flags, unit_flags2, dynamicflags, family, type, type_flags, lootid, pickpocketloot, skinloot, PetSpellDataId, VehicleId, mingold, maxgold, AIName, MovementType, ctm.Ground, ctm.Swim, ctm.Flight, ctm.Rooted, ctm.Chase, ctm.Random, ctm.InteractionPauseTimer, HoverHeight, HealthModifier, ManaModifier, ArmorModifier, DamageModifier, ExperienceModifier, RacialLeader, movementId, RegenHealth, mechanic_immune_mask, spell_school_immune_mask, flags_extra, ScriptName, StringId FROM creature_template ct LEFT JOIN creature_template_movement ctm ON ct.entry = ctm.CreatureId WHERE entry = ?", CONNECTION_SYNCH);
     PrepareStatement(WORLD_SEL_WAYPOINT_SCRIPT_BY_ID, "SELECT guid, delay, command, datalong, datalong2, dataint, x, y, z, o FROM waypoint_scripts WHERE id = ?", CONNECTION_SYNCH);
     PrepareStatement(WORLD_SEL_ITEM_TEMPLATE_BY_NAME, "SELECT entry FROM item_template WHERE name = ?", CONNECTION_SYNCH);
     PrepareStatement(WORLD_SEL_CREATURE_BY_ID, "SELECT guid FROM creature WHERE id = ?", CONNECTION_SYNCH);
diff --git a/src/server/game/AI/ScriptedAI/ScriptedCreature.h b/src/server/game/AI/ScriptedAI/ScriptedCreature.h
index 1616d3e5787..48cd8e63888 100644
--- a/src/server/game/AI/ScriptedAI/ScriptedCreature.h
+++ b/src/server/game/AI/ScriptedAI/ScriptedCreature.h
@@ -385,6 +385,11 @@ inline Creature* GetClosestCreatureWithEntry(WorldObject* source, uint32 entry,
     return source->FindNearestCreature(entry, maxSearchRange, alive);
 }
 
+inline Creature* GetClosestCreatureWithOptions(WorldObject* source, float maxSearchRange, FindCreatureOptions const& options)
+{
+    return source->FindNearestCreatureWithOptions(maxSearchRange, options);
+}
+
 inline GameObject* GetClosestGameObjectWithEntry(WorldObject* source, uint32 entry, float maxSearchRange, bool spawnedOnly = true)
 {
     return source->FindNearestGameObject(entry, maxSearchRange, spawnedOnly);
@@ -397,6 +402,12 @@ inline void GetCreatureListWithEntryInGrid(Container& container, WorldObject* so
 }
 
 template <typename Container>
+inline void GetCreatureListWithOptionsInGrid(Container& container, WorldObject* source, float maxSearchRange, FindCreatureOptions const& options)
+{
+    source->GetCreatureListWithOptionsInGrid(container, maxSearchRange, options);
+}
+
+template <typename Container>
 inline void GetGameObjectListWithEntryInGrid(Container& container, WorldObject* source, uint32 entry, float maxSearchRange)
 {
     source->GetGameObjectListWithEntryInGrid(container, entry, maxSearchRange);
diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 5f730c9c996..ffe0e3ba804 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -635,6 +635,8 @@ 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[0] = cInfo->StringId;
+
     return true;
 }
 
@@ -1685,6 +1687,8 @@ bool Creature::LoadFromDB(ObjectGuid::LowType spawnId, Map* map, bool addToMap,
     // checked at creature_template loading
     m_defaultMovementType = MovementGeneratorType(data->movementType);
 
+    m_stringIds[1] = data->StringId;
+
     if (addToMap && !GetMap()->AddToMap(this))
         return false;
     return true;
@@ -2772,6 +2776,25 @@ uint32 Creature::GetScriptId() const
     return ASSERT_NOTNULL(sObjectMgr->GetCreatureTemplate(GetEntry()))->ScriptID;
 }
 
+bool Creature::HasStringId(std::string_view id) const
+{
+    return std::find(m_stringIds.begin(), m_stringIds.end(), id) != m_stringIds.end();
+}
+
+void Creature::SetScriptStringId(std::string id)
+{
+    if (!id.empty())
+    {
+        m_scriptStringId.emplace(std::move(id));
+        m_stringIds[2] = *m_scriptStringId;
+    }
+    else
+    {
+        m_scriptStringId.reset();
+        m_stringIds[2] = {};
+    }
+}
+
 VendorItemData const* Creature::GetVendorItems() const
 {
     return sObjectMgr->GetNpcVendorItemList(GetEntry());
diff --git a/src/server/game/Entities/Creature/Creature.h b/src/server/game/Entities/Creature/Creature.h
index 8a65ca53724..789912326ec 100644
--- a/src/server/game/Entities/Creature/Creature.h
+++ b/src/server/game/Entities/Creature/Creature.h
@@ -198,6 +198,9 @@ class TC_GAME_API Creature : public Unit, public GridObject<Creature>, public Ma
         std::string const& GetAIName() const;
         std::string GetScriptName() const;
         uint32 GetScriptId() const;
+        bool HasStringId(std::string_view id) const;
+        void SetScriptStringId(std::string id);
+        std::array<std::string_view, 3> const& GetStringIds() const { return m_stringIds; }
 
         // override WorldObject function for proper name localization
         std::string const& GetNameForLocaleIdx(LocaleConstant locale_idx) const override;
@@ -421,6 +424,8 @@ 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;
+        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/Creature/CreatureData.h b/src/server/game/Entities/Creature/CreatureData.h
index 325bc22ab26..f4e6bdb1968 100644
--- a/src/server/game/Entities/Creature/CreatureData.h
+++ b/src/server/game/Entities/Creature/CreatureData.h
@@ -349,6 +349,7 @@ struct TC_GAME_API CreatureTemplate
     uint32  SpellSchoolImmuneMask;
     uint32  flags_extra;
     uint32  ScriptID;
+    std::string StringId;
     WorldPacket QueryData[TOTAL_LOCALES];
     uint32  GetRandomValidModelId() const;
     uint32  GetFirstValidModelId() const;
diff --git a/src/server/game/Entities/Object/Object.cpp b/src/server/game/Entities/Object/Object.cpp
index fa78ef07700..003e4f53cf1 100644
--- a/src/server/game/Entities/Object/Object.cpp
+++ b/src/server/game/Entities/Object/Object.cpp
@@ -2129,8 +2129,9 @@ Creature* WorldObject::FindNearestCreature(uint32 entry, float range, bool alive
 Creature* WorldObject::FindNearestCreatureWithOptions(float range, FindCreatureOptions const& options) const
 {
     Creature* creature = nullptr;
-    Trinity::NearestCreatureEntryWithOptionsInObjectRangeCheck checker(*this, range, options);
-    Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithOptionsInObjectRangeCheck> searcher(this, creature, checker);
+    Trinity::NearestCheckCustomizer checkCustomizer(*this, range);
+    Trinity::CreatureWithOptionsInObjectRangeCheck checker(*this, checkCustomizer, options);
+    Trinity::CreatureLastSearcher searcher(this, creature, checker);
     if (options.IgnorePhases)
         searcher.i_phaseMask = PHASEMASK_ANYWHERE;
 
@@ -3152,6 +3153,18 @@ void WorldObject::GetCreatureListWithEntryInGrid(Container& creatureContainer, u
 }
 
 template <typename Container>
+void WorldObject::GetCreatureListWithOptionsInGrid(Container& creatureContainer, float maxSearchRange, FindCreatureOptions const& options) const
+{
+    Trinity::NoopCheckCustomizer checkCustomizer;
+    Trinity::CreatureWithOptionsInObjectRangeCheck check(*this, checkCustomizer, options);
+    Trinity::CreatureListSearcher searcher(this, creatureContainer, check);
+    if (options.IgnorePhases)
+        searcher.i_phaseMask = PHASEMASK_ANYWHERE;
+
+    Cell::VisitGridObjects(this, searcher, maxSearchRange);
+}
+
+template <typename Container>
 void WorldObject::GetPlayerListInGrid(Container& playerContainer, float maxSearchRange, bool alive /*= true*/) const
 {
     Trinity::AnyPlayerInObjectRangeCheck checker(this, maxSearchRange, alive);
@@ -3608,6 +3621,10 @@ template TC_GAME_API void WorldObject::GetCreatureListWithEntryInGrid(std::list<
 template TC_GAME_API void WorldObject::GetCreatureListWithEntryInGrid(std::deque<Creature*>&, uint32, float) const;
 template TC_GAME_API void WorldObject::GetCreatureListWithEntryInGrid(std::vector<Creature*>&, uint32, float) const;
 
+template TC_GAME_API void WorldObject::GetCreatureListWithOptionsInGrid(std::list<Creature*>&, float, FindCreatureOptions const&) const;
+template TC_GAME_API void WorldObject::GetCreatureListWithOptionsInGrid(std::deque<Creature*>&,float, FindCreatureOptions const&) const;
+template TC_GAME_API void WorldObject::GetCreatureListWithOptionsInGrid(std::vector<Creature*>&, float, FindCreatureOptions const&) const;
+
 template TC_GAME_API void WorldObject::GetPlayerListInGrid(std::list<Player*>&, float, bool) const;
 template TC_GAME_API void WorldObject::GetPlayerListInGrid(std::deque<Player*>&, float, bool) const;
 template TC_GAME_API void WorldObject::GetPlayerListInGrid(std::vector<Player*>&, float, bool) const;
diff --git a/src/server/game/Entities/Object/Object.h b/src/server/game/Entities/Object/Object.h
index 0974aab5fa0..d489900eb16 100644
--- a/src/server/game/Entities/Object/Object.h
+++ b/src/server/game/Entities/Object/Object.h
@@ -301,6 +301,7 @@ struct FindCreatureOptions
     FindCreatureOptions() = default;
 
     FindCreatureOptions& SetCreatureId(uint32 creatureId) { CreatureId = creatureId; return *this; }
+    FindCreatureOptions& SetStringId(std::string_view stringId) { StringId = stringId; return *this; }
 
     FindCreatureOptions& SetIsAlive(bool isAlive) { IsAlive = isAlive; return *this; }
     FindCreatureOptions& SetIsInCombat(bool isInCombat) { IsInCombat = isInCombat; return *this; }
@@ -317,6 +318,7 @@ struct FindCreatureOptions
     FindCreatureOptions& SetPrivateObjectOwner(ObjectGuid privateObjectOwnerGuid) { PrivateObjectOwnerGuid = privateObjectOwnerGuid; return *this; }
 
     Optional<uint32> CreatureId;
+    Optional<std::string_view> StringId;
 
     Optional<bool> IsAlive;
     Optional<bool> IsInCombat;
@@ -531,6 +533,9 @@ class TC_GAME_API WorldObject : public Object, public WorldLocation
         void GetCreatureListWithEntryInGrid(Container& creatureContainer, uint32 entry, float maxSearchRange = 250.0f) const;
 
         template <typename Container>
+        void GetCreatureListWithOptionsInGrid(Container& creatureContainer, float maxSearchRange, FindCreatureOptions const& options) const;
+
+        template <typename Container>
         void GetPlayerListInGrid(Container& playerContainer, float maxSearchRange, bool alive = true) const;
 
         void DestroyForNearbyPlayers();
diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 31a1fa1d2a9..d89fd4c5894 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -495,7 +495,9 @@ void ObjectMgr::LoadCreatureTemplates()
         // 62
         "flags_extra,"
         // 63
-        "ScriptName"
+        "ScriptName,"
+        // 64
+        "StringId"
         " FROM creature_template ct"
         " LEFT JOIN creature_template_movement ctm ON ct.entry = ctm.CreatureId");
 
@@ -615,6 +617,7 @@ void ObjectMgr::LoadCreatureTemplate(Field* fields)
     creatureTemplate.SpellSchoolImmuneMask = fields[61].GetUInt32();
     creatureTemplate.flags_extra           = fields[62].GetUInt32();
     creatureTemplate.ScriptID              = GetScriptId(fields[63].GetString());
+    creatureTemplate.StringId              = fields[64].GetString();
 }
 
 void ObjectMgr::LoadCreatureTemplateResistances()
@@ -2164,8 +2167,8 @@ void ObjectMgr::LoadCreatures()
     QueryResult result = WorldDatabase.Query("SELECT creature.guid, id, map, position_x, position_y, position_z, orientation, modelid, equipment_id, spawntimesecs, wander_distance, "
     //   11               12         13       14            15         16          17          18                19                   20                    21
         "currentwaypoint, curhealth, curmana, MovementType, spawnMask, phaseMask, eventEntry, poolSpawnId, creature.npcflag, creature.unit_flags, creature.dynamicflags, "
-    //   22
-        "creature.ScriptName "
+    //   22                   23
+        "creature.ScriptName, creature.StringId "
         "FROM creature "
         "LEFT OUTER JOIN game_event_creature ON creature.guid = game_event_creature.guid "
         "LEFT OUTER JOIN pool_members ON pool_members.type = 0 AND creature.guid = pool_members.spawnId");
@@ -2221,6 +2224,7 @@ void ObjectMgr::LoadCreatures()
         data.unit_flags     = fields[20].GetUInt32();
         data.dynamicflags   = fields[21].GetUInt32();
         data.scriptId       = GetScriptId(fields[22].GetString());
+        data.StringId       = fields[23].GetString();
         data.spawnGroupData = GetDefaultSpawnGroup();
 
         MapEntry const* mapEntry = sMapStore.LookupEntry(data.mapId);
diff --git a/src/server/game/Grids/Notifiers/GridNotifiers.h b/src/server/game/Grids/Notifiers/GridNotifiers.h
index 1f676016b3c..e02f49cce8e 100644
--- a/src/server/game/Grids/Notifiers/GridNotifiers.h
+++ b/src/server/game/Grids/Notifiers/GridNotifiers.h
@@ -622,6 +622,35 @@ namespace Trinity
 
     // CHECKS && DO classes
 
+    // CHECK modifiers
+    class NoopCheckCustomizer
+    {
+    public:
+        bool Test(WorldObject const* /*o*/) const { return true; }
+
+        void Update(WorldObject const* /*o*/) { }
+    };
+
+    class NearestCheckCustomizer
+    {
+    public:
+        explicit NearestCheckCustomizer(WorldObject const& obj, float range) : i_obj(obj), i_range(range) { }
+
+        bool Test(WorldObject const* o) const
+        {
+            return i_obj.IsWithinDistInMap(o, i_range);
+        }
+
+        void Update(WorldObject const* o)
+        {
+            i_range = i_obj.GetDistance(o);
+        }
+
+    private:
+        WorldObject const& i_obj;
+        float i_range;
+    };
+
     // WorldObject check classes
 
     class TC_GAME_API AnyDeadUnitObjectInRangeCheck
@@ -1398,13 +1427,14 @@ namespace Trinity
             NearestCreatureEntryWithLiveStateInObjectRangeCheck(NearestCreatureEntryWithLiveStateInObjectRangeCheck const&) = delete;
     };
 
-    class NearestCreatureEntryWithOptionsInObjectRangeCheck
+    template <typename Customizer = NoopCheckCustomizer>
+    class CreatureWithOptionsInObjectRangeCheck
     {
         public:
-            NearestCreatureEntryWithOptionsInObjectRangeCheck(WorldObject const& obj, float range, FindCreatureOptions const& args)
-                : i_obj(obj), i_args(args), i_range(range) { }
+            CreatureWithOptionsInObjectRangeCheck(WorldObject const& obj, Customizer& customizer, FindCreatureOptions const& args)
+                : i_obj(obj), i_args(args), i_customizer(customizer) { }
 
-            bool operator()(Creature* u)
+            bool operator()(Creature* u) const
             {
                 if (u->getDeathState() == DEAD) // Despawned
                     return false;
@@ -1412,12 +1442,15 @@ namespace Trinity
                 if (u->GetGUID() == i_obj.GetGUID())
                     return false;
 
-                if (!i_obj.IsWithinDistInMap(u, i_range))
+                if (!i_customizer.Test(u))
                     return false;
 
                 if (i_args.CreatureId && u->GetEntry() != i_args.CreatureId)
                     return false;
 
+                if (i_args.StringId && u->HasStringId(*i_args.StringId))
+                    return false;
+
                 if (i_args.IsAlive.has_value() && u->IsAlive() != i_args.IsAlive)
                     return false;
 
@@ -1442,14 +1475,14 @@ namespace Trinity
                 if (i_args.AuraSpellId && !u->HasAura(*i_args.AuraSpellId))
                     return false;
 
-                i_range = i_obj.GetDistance(u);         // use found unit range as new range limit for next check
+                i_customizer.Update(u);
                 return true;
             }
 
         private:
             WorldObject const& i_obj;
             FindCreatureOptions const& i_args;
-            float i_range;
+            Customizer& i_customizer;
     };
 
     class AnyPlayerInObjectRangeCheck
diff --git a/src/server/game/Maps/SpawnData.h b/src/server/game/Maps/SpawnData.h
index 863fa13f4bc..d12b814f91f 100644
--- a/src/server/game/Maps/SpawnData.h
+++ b/src/server/game/Maps/SpawnData.h
@@ -99,6 +99,7 @@ struct SpawnData : public SpawnMetadata
     int32 spawntimesecs = 0;
     uint8 spawnMask = 0;
     uint32 scriptId = 0;
+    std::string StringId;
 
     protected:
     SpawnData(SpawnObjectType t) : SpawnMetadata(t) {}
diff --git a/src/server/game/Miscellaneous/Language.h b/src/server/game/Miscellaneous/Language.h
index 138991a5115..5ad1cef8d55 100644
--- a/src/server/game/Miscellaneous/Language.h
+++ b/src/server/game/Miscellaneous/Language.h
@@ -1153,7 +1153,7 @@ enum TrinityStrings
     LANG_NPCINFO_NPC_FLAGS                = 5086, // master branch ONLY
     LANG_NPCINFO_PHASE_IDS                = 5087, // master branch ONLY
     LANG_SCENARIO                         = 5088, // master branch ONLY
-    LANG_OBJECTINFO_STRINGIDS             = 5089, // master branch ONLY
+    LANG_OBJECTINFO_STRINGIDS             = 5089,
 
     // Room for more Trinity strings        5090-6603
 
diff --git a/src/server/scripts/Commands/cs_npc.cpp b/src/server/scripts/Commands/cs_npc.cpp
index 9e8529f1cb8..eacccbbdd8d 100644
--- a/src/server/scripts/Commands/cs_npc.cpp
+++ b/src/server/scripts/Commands/cs_npc.cpp
@@ -507,6 +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_NPCINFO_REACTSTATE, DescribeReactState(target->GetReactState()));
         if (CreatureAI const* ai = target->AI())
             handler->PSendSysMessage(LANG_OBJECTINFO_AITYPE, Trinity::GetTypeName(*ai).c_str());