feat(Core/Conf): handle custom creatures IDs and exclude them from checks (#10367)

src/server/game/Globals/ObjectMgr.cpp

@@ -22,6 +22,7 @@
 #include "CharacterCache.h"
 #include "Chat.h"
 #include "Common.h"
+#include "Config.h"
 #include "DatabaseEnv.h"
 #include "DisableMgr.h"
 #include "GameEventMgr.h"
@@ -1173,11 +1174,20 @@ void ObjectMgr::CheckCreatureTemplate(CreatureTemplate const* cInfo)
     const_cast<CreatureTemplate*>(cInfo)->DamageModifier *= Creature::_GetDamageMod(cInfo->rank);
 
     // Hack for modules
-    switch (cInfo->Entry)
+    std::vector<uint32> CustomCreatures;
+    std::string stringCreatureIds(sConfigMgr->GetOption<std::string>("Creatures.CustomIDs", ""));
+    for (std::string_view id : Acore::Tokenize(stringCreatureIds, ',', false))
     {
-        case 190010: // Transmog Module
-          return;
+        uint32 entry = Acore::StringTo<uint32>(id).value_or(0);
+        CustomCreatures.emplace_back(entry);
     }
+
+    for (auto const& itr : CustomCreatures)
+    {
+        if (cInfo->Entry == itr)
+            return;
+    }
+
     if (cInfo->GossipMenuId && !(cInfo->npcflag & UNIT_NPC_FLAG_GOSSIP))
     {
         LOG_ERROR("sql.sql", "Creature (Entry: {}) has assigned gossip menu {}, but npcflag does not include UNIT_NPC_FLAG_GOSSIP (1).", cInfo->Entry, cInfo->GossipMenuId);

src/server/worldserver/worldserver.conf.dist

@@ -1796,6 +1796,16 @@ NpcRegenHPIfTargetIsUnreachable = 1
 
 NpcRegenHPTimeIfTargetIsUnreachable = 10
 
+#    Creatures.CustomIDs
+#        Description: The list of custom creatures with gossip dialogues hardcoded in core,
+#                     divided by "," without spaces.
+#                     It is implied that you do not use for these NPC dialogs data from "gossip_menu" table.
+#                     Server will skip these IDs during the definitions validation process.
+#        Example:     Creatures.CustomIDs = "190010,55005,999991" - Npc for Transmog, Guild-zone and 1v1-arena modules
+#        Default:     ""
+
+Creatures.CustomIDs = "190010"
+
 #
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