options: make language loading and changing part of the options

gamecore/lang.lua

@@ -31,28 +31,21 @@ local TRANSLATION_PATH = "datas/languages/"
 
 function LanguageManager:new(controller)
   self.controller = controller
+
   self.datas      = self:getTranslationData()
-  self:setLang(self.controller.options.data.language)
+  self:setLang(self.controller.options.data.language.current)
 end
 
 function LanguageManager:setLang(lang)
-  self.controller.options.data.language = lang
-  self.lang = self.controller.options.data.language
+  self.controller.options.data.language.current = lang
+  self.lang = self.controller.options.data.language.current
 end
 
 -- INFO FUNCTIONS
 -- Get informations from the translation manager
 
 function LanguageManager:getTranslationData()
-  local _path = TRANSLATION_PATH .. "init.lua"
-  local fileinfo = love.filesystem.getInfo(_path)
-  local datas = nil
-
-  if fileinfo ~= nil then
-    datas = require(TRANSLATION_PATH)
-  end
-
-  return datas
+  return self.controller.options.data.language
 end
 
 function LanguageManager:getStringList(library, file)

gamecore/options.lua

@@ -27,6 +27,8 @@ local OptionsManager = Object:extend()
 local cwd  = (...):gsub('%.options$', '') .. "."
 local binser = require(cwd .. "libs.binser")
 
+local TRANSLATION_PATH = "datas/languages/"
+
 -- INIT FUNCTIONS
 -- Initialize and configure the game options
 
@@ -49,7 +51,7 @@ function OptionsManager:reset()
   self.data.input     = self:getInputDefaultData()
 
   -- TODO: have a way to auto-load a language according to the OS ?
-  self.data.language  = "en"
+  self.data.language  = self:getTranslationDefaultData()
 
   self.data.audio = {}
   self.data.audio.music = 100
@@ -102,6 +104,29 @@ function OptionsManager:getInputData()
   return self.data.input
 end
 
+-- Lang data
+
+function OptionsManager:getTranslationDefaultData()
+  local _path = TRANSLATION_PATH .. "init.lua"
+  local fileinfo = love.filesystem.getInfo(_path)
+  local datas = nil
+
+  if fileinfo ~= nil then
+    lang = require(TRANSLATION_PATH)
+    lang.current  = self.default
+    lang.path     = TRANSLATION_PATH
+  end
+
+  return lang
+end
+
+function OptionsManager:setLanguage(lang)
+  if (self.controller.lang:isLangAvailable(lang)) then
+    self.data.language.current = lang
+    self.controller.lang:getTranslationData()
+  end
+end
+
 -- DATA HANDLING FUNCTIONS
 -- Save and get data from the savefile