fix(Core/GroupHandler): Adjust maximum value for rolls. (#22686)

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

@@ -3141,6 +3141,16 @@ LeaveGroupOnLogout.Enabled = 0
 
 Group.Raid.LevelRestriction = 10
 
+#
+#    Group.RandomRollMaximum
+#
+#     The maximum value for use with the client '/roll' command.
+#     Blizzlike and maximum value is 1000000. (Based on Classic and 3.3.5a client testing respectively)
+#        Default: 1000000
+#
+
+Group.RandomRollMaximum = 1000000
+
 #
 ###################################################################################################
 

src/server/game/Handlers/GroupHandler.cpp

@@ -543,10 +543,8 @@ void WorldSession::HandleRandomRollOpcode(WorldPackets::Misc::RandomRollClient&
     maximum = packet.Max;
 
     /** error handling **/
-    if (minimum > maximum || maximum > 10000) // < 32768 for urand call
-    {
+    if (minimum > maximum || maximum > sWorld->getIntConfig(CONFIG_RANDOM_ROLL_MAXIMUM))
         return;
-    }
 
     GetPlayer()->DoRandomRoll(minimum, maximum);
 }

src/server/game/World/WorldConfig.cpp

@@ -492,6 +492,8 @@ void WorldConfig::BuildConfigCache()
 
     SetConfigValue<bool>(CONFIG_LEAVE_GROUP_ON_LOGOUT, "LeaveGroupOnLogout.Enabled", false);
 
+    SetConfigValue<uint32>(CONFIG_RANDOM_ROLL_MAXIMUM, "Group.RandomRollMaximum", 1000000);
+
     SetConfigValue<bool>(CONFIG_QUEST_POI_ENABLED, "QuestPOI.Enabled", true);
 
     SetConfigValue<uint32>(CONFIG_CHANGE_FACTION_MAX_MONEY, "ChangeFaction.MaxMoney", 0);

src/server/game/World/WorldConfig.h

@@ -129,6 +129,7 @@ enum ServerConfigs
     CONFIG_ALLOW_JOIN_BG_AND_LFG,
     CONFIG_MISS_CHANCE_MULTIPLIER_ONLY_FOR_PLAYERS,
     CONFIG_LEAVE_GROUP_ON_LOGOUT,
+    CONFIG_RANDOM_ROLL_MAXIMUM,
     CONFIG_QUEST_POI_ENABLED,
     CONFIG_VMAP_BLIZZLIKE_PVP_LOS,
     CONFIG_VMAP_BLIZZLIKE_LOS_OPEN_WORLD,