make independent from xtend_default

init.lua

@@ -1,6 +1,3 @@
-_xtend.i()
-
-
 -- Convert a given x,y string into a table {x=given_x, y=given_y} and return
 -- it to be used of the screen location parameters in the HUD definition
 local _mtimer_location_value = function (o)
@@ -10,23 +7,42 @@ local _mtimer_location_value = function (o)
 end
 
 
-local interval = _xtend.g('mtimer_update_interval')
-local placeholder = _xtend.g('mtimer_placeholder')
-local font_color = _xtend.g('mtimer_font_color')
+local _mtimer_get_options = function ()
+    local path = minetest.get_modpath(minetest.get_current_modname())
+    local file = io.open(path..DIR_DELIM..'settingtypes.txt', 'rb')
+    local result = {}
+
+    for line in file:lines() do
+        if line:match("^([a-zA-Z])") then
+            local name = line:gsub(' .+', '')
+            local default_value = line:gsub('^[^ ]+ %b() %a+ ', '')
+            local set_value = minetest.setting_get(name)
+            result[name] = set_value or default_value
+        end
+    end
+
+    return result
+end
+
+local _options = _mtimer_get_options()
+
+local interval = _options['mtimer_update_interval']
+local placeholder = _options['mtimer_placeholder']
+local font_color = _options['mtimer_font_color']
 
 local format = {
-    locale = _xtend.g('mtimer_locale'),
-    start = _xtend.g('mtimer_session_start'),
-    runtime = _xtend.g('mtimer_session_runtime'),
-    current = _xtend.g('mtimer_current_time'),
-    ingame = _xtend.g('mtimer_ingame_time'),
-    output = _xtend.g('mtimer_output_format')
+    locale = _options['mtimer_locale'],
+    start = _options['mtimer_session_start'],
+    runtime = _options['mtimer_session_runtime'],
+    current = _options['mtimer_current_time'],
+    ingame = _options['mtimer_ingame_time'],
+    output = _options['mtimer_output_format']
 }
 
 local location = {
-        position = _mtimer_location_value(_xtend.g('mtimer_position')),
-        alignment = _mtimer_location_value(_xtend.g('mtimer_alignment')),
-        offset = _mtimer_location_value(_xtend.g('mtimer_offset'))
+    position = _mtimer_location_value(_options['mtimer_position']),
+    alignment = _mtimer_location_value(_options['mtimer_alignment']),
+    offset = _mtimer_location_value(_options['mtimer_offset'])
 }
 
 local playerData = {}