Make language sync support creating blank language files; clarify lang/README-programmers.txt

desktop_version/lang/README-programmers.txt

@@ -1,6 +1,8 @@
 === I N T R O D U C T I O N ===
 
-This file will explain what you need to know when maintaining translations of VVVVVV (like adding new strings and syncing them across languages).
+This file will explain what you need to know when maintaining translations of VVVVVV (like adding new strings to the game and syncing them across languages).
+
+For making new translations of the game, read README-translators.txt instead.
 
 
 

desktop_version/lang/README-translators.txt

@@ -16,6 +16,8 @@ The English language files are basically templates for other languages (all the
 
 To create a new language, simply copy the `en` folder, and start by filling out meta.xml (further explained below).
 
+Alternatively, you can create an empty language folder, and then use the in-game sync tool (translator > maintenance > sync language files) to populate it.
+
 
 
 === E X C E L ===

desktop_version/src/LocalizationMaint.cpp

@@ -177,6 +177,17 @@ static void sync_lang_file(const std::string& langcode)
         FILESYSTEM_saveTiXml2Document((langcode + "/strings.xml").c_str(), doc);
     }
 
+    if (!load_lang_doc("numbers", doc, langcode))
+    {
+        /* If numbers.xml doesn't exist _at all_, then simply copy it from English,
+         * so that you can make a new translation simply by making a folder and syncing. */
+
+        if (load_lang_doc("numbers", doc, "en"))
+        {
+            FILESYSTEM_saveTiXml2Document((langcode + "/numbers.xml").c_str(), doc);
+        }
+    }
+
     if (load_lang_doc("strings_plural", doc, "en"))
     {
         /* Form 255 is technically invalid, but we have to account for it */

desktop_version/src/LocalizationStorage.cpp

@@ -59,6 +59,10 @@ static void loadmeta(LangMeta& meta, const std::string& langcode = lang)
 {
     meta.active = true;
     meta.code = langcode;
+    meta.nativename = langcode;
+    meta.credit = "";
+    meta.action_hint = "Press Space, Z, or V to select";
+    meta.gamepad_hint = "Press {button} to select";
     meta.autowordwrap = true;
     meta.toupper = true;
     meta.toupper_i_dot = false;
@@ -238,6 +242,7 @@ void resettext(bool final_shutdown)
             number[i] = "";
         }
         SDL_zeroa(number_plural_form);
+        number_plural_form[1] = 1;
 
         SDL_zeroa(translation_roomnames);
         SDL_zeroa(explanation_roomnames);