feat(Core/LFG): Add config to prevent LFG teleportation

src/server/apps/worldserver/worldserver.conf.dist

@@ -3278,6 +3278,14 @@ LFG.MaxKickCount = 2
 
 LFG.KickPreventionTimer = 900
 
+#
+#     LFG.Teleport
+#        Description: Specify whether player are teleported to the dungeon after forming a group
+#        Default:     1 (default)
+#                     0 - Disabled (Players are not teleported but have to walk to dungeon)
+
+LFG.Teleport = 1
+
 #
 #    DungeonAccessRequirements.LFGLevelDBCOverride
 #

src/server/game/DungeonFinding/LFGMgr.cpp

@@ -1724,6 +1724,16 @@ namespace lfg
 
         bool randomDungeon = false;
         std::vector<Player*> playersTeleported;
+
+        // clear list of players to be teleported if config option is disabled
+        if (!sWorld->getBoolConfig(CONFIG_LFG_TELEPORT))
+        {
+            // Send message to all players in newly formed group
+            SendMessageToAllPlayers(playersToTeleport, proposal);
+            // clearn the player list
+            playersToTeleport.clear();
+        }
+
         // Teleport Player
         for (GuidUnorderedSet::const_iterator it = playersToTeleport.begin(); it != playersToTeleport.end(); ++it)
         {
@@ -2150,13 +2160,31 @@ namespace lfg
         }
         else if (out && error == LFG_TELEPORTERROR_OK)
         {
+            // No dungon teleport allowed
+            if (!sWorld->getBoolConfig(CONFIG_LFG_TELEPORT))
+            {
+                std::ostringstream ss;
+                ss << "Please move to the Dungeon: " << dungeon->name;
+                ChatHandler(player->GetSession()).PSendSysMessage(ss.str());
+                return;
+            }
+
             if (player->GetMapId() == uint32(dungeon->map))
                 player->TeleportToEntryPoint();
 
             return;
         }
         else
         {
+            // No dungon teleport allowed
+            if (!sWorld->getBoolConfig(CONFIG_LFG_TELEPORT))
+            {
+                std::ostringstream ss;
+                ss << "Please move to the Dungeon: " << dungeon->name;
+                ChatHandler(player->GetSession()).PSendSysMessage(ss.str());
+                return;
+            }
+
             uint32 mapid = dungeon->map;
             float x = dungeon->x;
             float y = dungeon->y;
@@ -2491,6 +2519,29 @@ namespace lfg
         GroupsStore[guid].SetDungeon(dungeon);
     }
 
+    void LFGMgr::SendMessageToAllPlayers(GuidUnorderedSet players, LfgProposal const& proposal)
+    {
+        // Send a message to the players
+        for (GuidUnorderedSet::const_iterator it = players.begin(); it != players.end(); ++it)
+        {
+            if (Player* player = ObjectAccessor::FindPlayer(*it))
+            {
+                LFGDungeonEntry const* dungeon = sLFGDungeonStore.LookupEntry(proposal.dungeonId);
+                if (dungeon) {
+                    std::ostringstream ss;
+                    ss << "Please move to the Dungeon: " << dungeon->Name[0];
+                    ChatHandler(player->GetSession()).PSendSysMessage(ss.str());
+
+                }
+                else {
+                    std::ostringstream ss;
+                    ss << "No Dungeon name found. You are on your own.";
+                    ChatHandler(player->GetSession()).PSendSysMessage(ss.str());
+                }
+            }
+        }
+    }
+
     void LFGMgr::SetRoles(ObjectGuid guid, uint8 roles)
     {
         LOG_DEBUG("lfg", "LFGMgr::SetRoles: [{}] roles: {}", guid.ToString(), roles);

src/server/game/DungeonFinding/LFGMgr.h

@@ -579,6 +579,8 @@ namespace lfg
         [[nodiscard]] bool IsTesting() const { return m_Testing; }
 
         void SetDungeon(ObjectGuid guid, uint32 dungeon);
+        // Sends a message to all players in a set
+        void SendMessageToAllPlayers(GuidUnorderedSet players, LfgProposal const& proposal);
 
     private:
         TeamId GetTeam(ObjectGuid guid);

src/server/game/World/IWorld.h

@@ -184,6 +184,7 @@ enum WorldBoolConfigs
     CONFIG_MUNCHING_BLIZZLIKE,
     CONFIG_ENABLE_DAZE,
     CONFIG_SPELL_QUEUE_ENABLED,
+    CONFIG_LFG_TELEPORT,
     BOOL_CONFIG_VALUE_COUNT
 };