- Add new commands .group set assistant, .group set maintank and .group set mainassist to toggle raid member flags.

Port From (https://github.com/TrinityCore/TrinityCore/commit/17a0139b0e121b0d8d0f2a079fcfd49090ea35a4)

Source/Framework/Constants/AccountConst.cs

@@ -766,10 +766,10 @@ namespace Framework.Constants
         CommandGobjectSpawngroup = 858, // Reserved For DynamicSpawning
         CommandGobjectDespawngroup = 859, // Reserved For DynamicSpawning
         CommandListRespawns = 860, // Reserved For DynamicSpawning
-        CommandGroupSet = 861, // Reserved
+        CommandGroupSet = 861,
-        CommandGroupAssistant = 862, // Reserved
+        CommandGroupAssistant = 862,
-        CommandGroupMaintank = 863, // Reserved
+        CommandGroupMaintank = 863,
-        CommandGroupMainassist = 864, // Reserved
+        CommandGroupMainassist = 864,
         CommandNpcShowloot = 865, // Reserved
         CommandListSpawnpoints = 866, // Reserved
         CommandReloadQuestGreetingLocale = 867, // Reserved

Source/Framework/Constants/Language.cs

@@ -954,7 +954,10 @@ namespace Framework.Constants
         DisallowTicketsConfig = 1190,
         BanExists = 1191,
         ChangeAccountSuccess = 1192,
-        // Room For More Level 3              1193-1198 Not Used
+        NotInRaidGroup = 1193,
+        GroupRoleChanged = 1194,
+        LeaderCannotBeAssistant = 1195,
+        // Room for more level 3              1196-1198 not used
 
         // Debug Commands
         DebugAreatriggerLeft = 1999,

Source/Game/Chat/Commands/GroupCommands.cs

@@ -54,7 +54,6 @@ namespace Game.Chat
             }
 
             Player gmPlayer = handler.GetSession().GetPlayer();
-            Group gmGroup = gmPlayer.GetGroup();
             Map gmMap = gmPlayer.GetMap();
             bool toInstance = gmMap.Instanceable();
             bool onlyLocalSummon = false;
@@ -133,9 +132,8 @@ namespace Game.Chat
             Player player;
             Group group;
             ObjectGuid guid;
-            string nameStr = args.NextString();
 
-            if (!handler.GetPlayerGroupAndGUIDByName(nameStr, out player, out group, out guid))
+            if (!handler.GetPlayerGroupAndGUIDByName(args.NextString(), out player, out group, out guid))
                 return false;
 
             if (!group)
@@ -348,5 +346,73 @@ namespace Game.Chat
             // And finish after every iterator is done.
             return true;
         }
+
+        [CommandGroup("set", RBACPermissions.CommandGroupSet)]
+        class GroupSetCommands
+        {
+            [Command("assistant", RBACPermissions.CommandGroupAssistant)]
+            static bool HandleGroupSetAssistantCommand(StringArguments args, CommandHandler handler)
+            {
+                return GroupFlagCommand(args, handler, GroupMemberFlags.Assistant, "Assistant");
+            }
+
+            [Command("leader", RBACPermissions.CommandGroupLeader)]
+            static bool HandleGroupSetLeaderCommand(StringArguments args, CommandHandler handler)
+            {
+                return HandleGroupLeaderCommand(args, handler);
+            }
+
+            [Command("mainassist", RBACPermissions.CommandGroupMainassist)]
+            static bool HandleGroupSetMainAssistCommand(StringArguments args, CommandHandler handler)
+            {
+                return GroupFlagCommand(args, handler, GroupMemberFlags.MainAssist, "Main Assist");
+            }
+
+            [Command("maintank", RBACPermissions.CommandGroupMaintank)]
+            static bool HandleGroupSetMainTankCommand(StringArguments args, CommandHandler handler)
+            {
+                return GroupFlagCommand(args, handler, GroupMemberFlags.MainTank, "Main Tank");
+            }
+
+            static bool GroupFlagCommand(StringArguments args, CommandHandler handler, GroupMemberFlags flag, string what)
+            {
+                Player player;
+                Group group;
+                ObjectGuid guid;
+
+                if (!handler.GetPlayerGroupAndGUIDByName(args.NextString(), out player, out group, out guid))
+                    return false;
+
+                if (!group)
+                {
+                    handler.SendSysMessage(CypherStrings.NotInGroup, player.GetName());
+                    return false;
+                }
+
+                if (!group.IsRaidGroup())
+                {
+                    handler.SendSysMessage(CypherStrings.NotInRaidGroup, player.GetName());
+                    return false;
+                }
+
+                if (flag == GroupMemberFlags.Assistant && group.IsLeader(guid))
+                {
+                    handler.SendSysMessage(CypherStrings.LeaderCannotBeAssistant, player.GetName());
+                    return false;
+                }
+
+                if (group.GetMemberFlags(guid).HasAnyFlag(flag))
+                {
+                    group.SetGroupMemberFlag(guid, false, flag);
+                    handler.SendSysMessage(CypherStrings.GroupRoleChanged, player.GetName(), "no longer", what);
+                }
+                else
+                {
+                    group.SetGroupMemberFlag(guid, true, flag);
+                    handler.SendSysMessage(CypherStrings.GroupRoleChanged, player.GetName(), "now", what);
+                }
+                return true;
+            }
+        }
     }
 }

Source/Game/Groups/Group.cs

@@ -2387,6 +2387,11 @@ namespace Game.Groups
             return GetLeaderGUID() == guid;
         }
 
+        public bool IsAssistant(ObjectGuid guid)
+        {
+            return GetMemberFlags(guid).HasAnyFlag(GroupMemberFlags.Assistant);
+        }
+        
         public ObjectGuid GetMemberGUID(string name)
         {
             foreach (var member in m_memberSlots)
@@ -2395,12 +2400,13 @@ namespace Game.Groups
             return ObjectGuid.Empty;
         }
 
-        public bool IsAssistant(ObjectGuid guid)
+        public GroupMemberFlags GetMemberFlags(ObjectGuid guid)
         {
             var mslot = _getMemberSlot(guid);
             if (mslot == null)
-                return false;
+                return 0;
-            return mslot.flags.HasAnyFlag(GroupMemberFlags.Assistant);
+
+            return mslot.flags;
         }
 
         public bool SameSubGroup(ObjectGuid guid1, ObjectGuid guid2)

sql/updates/world/master/2020_07_16_04_world_2017_06_12_01_world.sql

@@ -0,0 +1,21 @@
+--
+DELETE FROM `trinity_string` WHERE `entry` IN (1185,1186,1187);
+INSERT INTO `trinity_string` (`entry`,`content_default`) VALUES
+  (1193, '%s is not in a raid group!'),
+  (1194, '%s %s has raid role \'%s\'.'),
+  (1195, 'The raid leader cannot be set as an assistant!');
+  
+DELETE FROM `command` WHERE `name` LIKE 'group set%';
+INSERT INTO `command` (`name`,`permission`,`help`) VALUES
+('group set leader', 473, "Syntax: .group set leader [$characterName]
+
+Sets the given character (or selected) as his group's leader. Alias for '.group leader'."),
+('group set assistant', 862, "Syntax: .group set assistant [$characterName]
+
+Toggles the given character's assistant state in his raid group."),
+('group set maintank', 863, "Syntax: .group set maintank [$characterName]
+
+Toggles the given character's main tank flag in his raid group."),
+('group set mainassist', 864, "Syntax: .group set mainassist [$characterName]
+
+Toggles the given character's main assist flag in his raid group.");