Added /tag and /tag-clear

modules/commands/me.lua

@@ -1,5 +1,4 @@
 local Commands = require 'expcore.commands'
-require 'expcore.common_parse'
 
 Commands.new_command('me','Sends an action message in the chat')
 :add_param('action',false)

modules/commands/tag.lua

@@ -0,0 +1,27 @@
+local Commands = require 'expcore.commands'
+require 'expcore.common_parse'
+
+Commands.new_command('tag','Sets your player tag.')
+:add_param('tag',false,'string-max-length',20)
+:enable_auto_concat()
+:register(function(player,tag,raw)
+    player.tag = ' - '..tag
+end)
+
+Commands.new_command('tag-clear','Clears your tag. Or another player if you are admin.')
+:add_param('player',true,'player')
+:add_defaults{player=function(player)
+    return player
+end}
+:register(function(player,action_player,raw)
+    if action_player.index == player.index then
+        -- no player given so removes your tag
+        action_player.tag = ''
+    elseif player.admin then
+        -- player given and user is admin so clears that player's tag
+        action_player.tag = ''
+    else
+        -- user is not admin and tried to clear another users tag
+        return Commands.error{'expcore-commands.unauthorized'}
+    end
+end)