Add getUserInfo function at convar (fixes #1996)

lua/starfall/libs_cl/convar.lua → lua/starfall/libs_sh/convar.lua

@@ -1,7 +1,10 @@
 
 local checkluatype = SF.CheckLuaType
+local PLY_META = FindMetaTable("Player")
 
-SF.Permissions.registerPrivilege("convar", "Read ConVars", "Allows Starfall to read your game settings", { client = {} })
+if CLIENT then
+	SF.Permissions.registerPrivilege("convar", "Read ConVars", "Allows Starfall to read your game settings", { client = {} })
+end
 
 
 --- ConVar library https://wiki.facepunch.com/gmod/ConVar
@@ -12,9 +15,11 @@ SF.RegisterLibrary("convar")
 
 return function(instance)
 local checkpermission = instance.player ~= SF.Superuser and SF.Permissions.check or function() end
+local Ply_GetInfo = PLY_META.GetInfo
 
 local convar_library = instance.Libraries.convar
 
+if CLIENT then
 
 local function getValidConVar(name)
 	checkpermission(instance, nil, "convar")
@@ -27,6 +32,7 @@ end
 
 
 --- Check if the given ConVar exists
+-- @client
 -- @param string name Name of the ConVar
 -- @return boolean True if exists
 function convar_library.exists(name)
@@ -36,20 +42,23 @@ function convar_library.exists(name)
 end
 
 --- Returns default value of the ConVar
+-- @client
 -- @param string name Name of the ConVar
 -- @return string Default value as a string
 function convar_library.getDefault(name)
 	return getValidConVar(name):GetDefault()
 end
 
 --- Returns the minimum value of the convar
+-- @client
 -- @param string name Name of the ConVar
 -- @return number The minimum value or nil if not specified
 function convar_library.getMin(name)
 	return getValidConVar(name):GetMin()
 end
 
 --- Returns the maximum value of the convar
+-- @client
 -- @param string name Name of the ConVar
 -- @return number? The maximum value or nil if not specified
 function convar_library.getMax(name)
@@ -58,6 +67,7 @@ end
 
 --- Returns value of the ConVar as a boolean.
 -- True for numeric ConVars with the value of 1, false otherwise.
+-- @client
 -- @param string name Name of the ConVar
 -- @return boolean The boolean value
 function convar_library.getBool(name)
@@ -66,20 +76,23 @@ end
 
 --- Returns value of the ConVar as a whole number.
 -- Floats values will be floored.
+-- @client
 -- @param string name Name of the ConVar
 -- @return number The integer value or 0 if converting fails
 function convar_library.getInt(name)
 	return getValidConVar(name):GetInt()
 end
 
 --- Returns value of the ConVar as a floating-point number.
+-- @client
 -- @param string name Name of the ConVar
 -- @return number The float value or 0 if converting fails
 function convar_library.getFloat(name)
 	return getValidConVar(name):GetFloat()
 end
 
 --- Returns value of the ConVar as a string.
+-- @client
 -- @param string name Name of the ConVar
 -- @return string Value as a string
 function convar_library.getString(name)
@@ -88,13 +101,15 @@ end
 
 --- Returns FCVAR flags of the given ConVar.
 -- https://wiki.facepunch.com/gmod/Enums/FCVAR
+-- @client
 -- @param string name Name of the ConVar
 -- @return number Number consisting of flag values
 function convar_library.getFlags(name)
 	return getValidConVar(name):GetFlags()
 end
 
 --- Returns true if a given FCVAR flag is set for this ConVar.
+-- @client
 -- @param string name Name of the ConVar
 -- @param number flag Convar Flag, see https://wiki.facepunch.com/gmod/Enums/FCVAR
 -- @return boolean Whether the flag is set
@@ -103,5 +118,18 @@ function convar_library.hasFlag(name, flag)
 	return getValidConVar(name):IsFlagSet(flag)
 end
 
+end
+
+--- Retrieves the value of a client-side userinfo ConVar.
+-- @param string name The name of userinfo variable.
+-- @return string Returns the value of the given client-side userinfo ConVar (truncated to 31 bytes).
+function convar_library.getUserInfo(name)
+	checkluatype(name, TYPE_STRING)
+	if CLIENT then
+		checkpermission(instance, name, "convar")
+	end
+	local ply = SERVER and instance.player or LocalPlayer()
+	return IsValid(ply) and Ply_GetInfo(ply, name) or ""
+end
 
 end