Change language in game

res/gamedata/configs/text/eng/ui_st_mm.xml

@@ -969,4 +969,13 @@
 	<string id="ui_mm_confirm_changes">
 		<text>Apply changes? All changes will be reverted in</text>
 	</string>
+	<string id="ui_mm_localization">
+		<text>Language</text>
+	</string>
+	<string id="eng">
+		<text>English</text>
+	</string>
+	<string id="rus">
+		<text>Ðóññêèé</text>
+	</string>
 </string_table>

res/gamedata/configs/text/rus/ui_st_mm.xml

@@ -969,4 +969,13 @@
 	<string id="ui_mm_confirm_changes">
 		<text>Ïðèìåíèòü ñäåëàííûå èçìåíåíèÿ? Âñå èçìåíåíèÿ áóäóò îòìåíåíû ÷åðåç</text>
 	</string>
+	<string id="ui_mm_localization">
+		<text>ßçûê</text>
+	</string>
+	<string id="eng">
+		<text>English</text>
+	</string>
+	<string id="rus">
+		<text>Ðóññêèé</text>
+	</string>
 </string_table>

res/gamedata/configs/ui/ui_mm_opt.xml

@@ -665,6 +665,18 @@
             <options_item entry="rs_loadingstages" group="mm_opt_gameplay" is_integer="1"/>
         </check_loadingstages>
 
+		<cap_localization x="20" y="3" width="135" height="24">
+			<text r="170" g="170" b="170" font="letterica16" align="r" vert_align="c">ui_mm_localization</text>
+		</cap_localization>
+		<list_localization x="180" y="5" width="235" height="20">
+			<options_item entry="g_language" group="mm_opt_gameplay"/>
+			<list_font r="170" g="170" b="170" font="letterica16"/>
+			<text_color>
+				<e r="170" g="170" b="170"/>
+				<d r="70" g="70" b="70"/>
+			</text_color>
+		</list_localization>
+
         <btn_check_updates x="338" y="322" width="108" height="24">
             <text align="c" font="letterica16">ui_mm_check_updates</text>
             <texture>ui_inGame2_button</texture>

res/gamedata/configs/ui/ui_mm_opt_16.xml

@@ -667,6 +667,18 @@
             <options_item entry="rs_loadingstages" group="mm_opt_gameplay" is_integer="1"/>
         </check_loadingstages>
 
+		<cap_localization x="16" y="3" width="108" height="24">
+			<text r="170" g="170" b="170" font="letterica16" align="r" vert_align="c">ui_mm_localization</text>
+		</cap_localization>
+		<list_localization x="144" y="5" width="188" height="20">
+			<options_item entry="g_language" group="mm_opt_gameplay"/>
+			<list_font r="170" g="170" b="170" font="letterica16"/>
+			<text_color>
+				<e r="170" g="170" b="170"/>
+				<d r="70" g="70" b="70"/>
+			</text_color>
+		</list_localization>
+
         <btn_check_updates x="270" y="322" width="86" height="24" stretch="1">
             <text align="c" font="letterica16">ui_mm_check_updates</text>
             <texture>ui_inGame2_button</texture>

res/gamedata/scripts/ui_mm_opt_gameplay.script

@@ -22,6 +22,11 @@ function opt_gameplay:InitControls(x, y, xml, handler)
 	xml:InitStatic("tab_gameplay:cap_difficulty", _st)
 	xml:InitComboBox("tab_gameplay:list_difficulty", _st)
 	self.scroll_v:AddWindow(_st, true)
+
+	_st = xml:InitStatic("tab_gameplay:templ_item", nil)
+	xml:InitStatic("tab_gameplay:cap_localization", _st)
+	xml:InitComboBox("tab_gameplay:list_localization", _st)
+	self.scroll_v:AddWindow(_st, true)
 
 	_st = xml:InitStatic("tab_gameplay:templ_item", nil)
 	xml:InitStatic("tab_gameplay:cap_ui_style", _st)

src/xrGame/MainMenu.cpp

@@ -89,6 +89,7 @@ CMainMenu::CMainMenu()
     g_btnHint = NULL;
     g_statHint = NULL;
     m_deactivated_frame = 0;
+    languageChanged = false;
 
     m_sPatchURL = "";
 #ifdef WINDOWS
@@ -347,6 +348,9 @@ bool CMainMenu::ReloadUI()
 bool CMainMenu::IsActive() const { return m_Flags.test(flActive); }
 bool CMainMenu::CanSkipSceneRendering() { return IsActive() && !m_Flags.test(flGameSaveScreenshot); }
 
+bool CMainMenu::IsLanguageChanged() { return languageChanged; }
+void CMainMenu::SetLanguageChanged(bool status) { languageChanged = status; }
+
 // IInputReceiver
 void CMainMenu::IR_OnMousePress(int btn)
 {
@@ -557,8 +561,9 @@ void CMainMenu::OnFrame()
     {
         CheckForErrorDlg();
         bool b_is_16_9 = (float)Device.dwWidth / (float)Device.dwHeight > (UI_BASE_WIDTH / UI_BASE_HEIGHT + 0.01f);
-        if (b_is_16_9 != m_activatedScreenRatio)
+        if (b_is_16_9 != m_activatedScreenRatio || languageChanged)
         {
+            languageChanged = false;
             ReloadUI();
             m_startDialog->SendMessage(m_startDialog, MAIN_MENU_RELOADED, NULL);
         }

src/xrGame/MainMenu.h

@@ -72,6 +72,8 @@ class CMainMenu : public IMainMenu,
 
     xr_vector<CUIWindow*> m_pp_draw_wnds;
 
+    bool languageChanged;
+
     CGameSpy_Full* m_pGameSpyFull;
     gamespy_gp::account_manager* m_account_mngr;
     gamespy_gp::login_manager* m_login_mngr;
@@ -145,6 +147,9 @@ class CMainMenu : public IMainMenu,
     bool IsActive() const override;
     virtual bool CanSkipSceneRendering();
 
+    virtual bool IsLanguageChanged();
+    virtual void SetLanguageChanged(bool status);
+
     virtual bool IgnorePause() { return true; }
     virtual void IR_OnMousePress(int btn);
     virtual void IR_OnMouseRelease(int btn);

src/xrGame/console_commands.cpp

@@ -202,6 +202,40 @@ class CCC_GameDifficulty : public CCC_Token
     virtual void Info(TInfo& I) { xr_strcpy(I, "game difficulty"); }
 };
 
+class CCC_GameLanguage : public CCC_Token
+{
+public:
+    CCC_GameLanguage(LPCSTR N) : CCC_Token(N, (u32*)&CStringTable::LanguageID, NULL){};
+
+    virtual void Execute(LPCSTR args)
+    {
+        CCC_Token::Execute(args);
+        StringTable().ReloadLanguage();
+
+        if (g_pGamePersistent && g_pGamePersistent->IsMainMenuActive())
+            MainMenu()->SetLanguageChanged(true);
+
+        if (!g_pGameLevel)
+            return;
+
+        for (u16 id = 0; id < 0xffff; id++)
+        {
+            IGameObject* gameObj = Level().Objects.net_Find(id);
+            if (gameObj)
+            {
+                if (CInventoryItem* invItem = gameObj->cast_inventory_item())
+                    invItem->ReloadNames();
+            }
+        }
+    }
+
+    const xr_token* GetToken() noexcept override
+    {
+        tokens = StringTable().GetLanguagesToken();
+        return CCC_Token::GetToken();
+    }
+};
+
 #ifdef DEBUG
 class CCC_ALifePath : public IConsole_Command
 {
@@ -1753,6 +1787,7 @@ void CCC_RegisterCommands()
     // game
     CMD3(CCC_Mask, "g_crouch_toggle", &psActorFlags, AF_CROUCH_TOGGLE);
     CMD1(CCC_GameDifficulty, "g_game_difficulty");
+    CMD1(CCC_GameLanguage, "g_language");
 
     CMD3(CCC_Mask, "g_backrun", &psActorFlags, AF_RUN_BACKWARD);
 

src/xrGame/inventory_item.cpp

@@ -123,6 +123,13 @@ void CInventoryItem::Load(LPCSTR section)
     m_icon_name = READ_IF_EXISTS(pSettings, r_string, section, "icon_name", NULL);
 }
 
+void CInventoryItem::ReloadNames()
+{
+    m_name = StringTable().translate(pSettings->r_string(m_object->cNameSect(), "inv_name"));
+    m_nameShort = StringTable().translate(pSettings->r_string(m_object->cNameSect(), "inv_name_short"));
+    m_Description = StringTable().translate(pSettings->r_string(m_object->cNameSect(), "description"));
+}
+
 void CInventoryItem::ChangeCondition(float fDeltaCondition)
 {
     m_fCondition += fDeltaCondition;

src/xrGame/inventory_item.h

@@ -95,6 +95,7 @@ class CInventoryItem : public CAttachableItem,
 
 public:
     virtual void Load(LPCSTR section);
+    virtual void ReloadNames();
 
     LPCSTR NameItem(); // remove <virtual> by sea
     LPCSTR NameShort();

src/xrGame/string_table.cpp

@@ -5,35 +5,36 @@
 
 CStringTable& StringTable() { return *((CStringTable*)gStringTable); }
 
-STRING_TABLE_DATA* CStringTable::pData = NULL;
+STRING_TABLE_DATA* CStringTable::pData = nullptr;
 BOOL CStringTable::m_bWriteErrorsToLog = FALSE;
+u32 CStringTable::LanguageID = std::numeric_limits<u32>::max();
+xr_vector<xr_token> CStringTable::languagesToken;
 
 CStringTable::CStringTable()
 {
     pData = nullptr;
+    FillLanguageToken();
 }
 
 CStringTable::~CStringTable() { Destroy(); }
 void CStringTable::Destroy() { xr_delete(pData); }
 void CStringTable::rescan()
 {
-    if (NULL != pData)
+    if (pData != nullptr)
         return;
     Destroy();
     Init();
 }
 
 void CStringTable::Init()
 {
-    if (NULL != pData)
+    if (pData != nullptr)
         return;
 
     pData = new STRING_TABLE_DATA();
 
-    //имя языка, если не задано (NULL), то первый <text> в <string> в XML
-    pData->m_sLanguage = pSettings->r_string("string_table", "language");
+    SetLanguage();
 
-    //---
     FS_FileSet fset;
     string_path files_mask;
     xr_sprintf(files_mask, "text" DELIMITER "%s" DELIMITER "*.xml", pData->m_sLanguage.c_str());
@@ -52,10 +53,55 @@ void CStringTable::Init()
 #ifdef DEBUG
     Msg("StringTable: loaded %d files", fset.size());
 #endif // #ifdef DEBUG
-    //---
+
     ReparseKeyBindings();
 }
 
+void CStringTable::FillLanguageToken()
+{
+    if (languagesToken.size() == 0)
+    {
+        u32 lineCount = pSettings->line_count("Languages");
+        R_ASSERT2(lineCount > 0, "Section \"Languages\" is empty!");
+
+        LPCSTR lineName, lineVal;
+        for (u16 i = 0; i < lineCount; i++)
+        {
+            pSettings->r_line("Languages", i, &lineName, &lineVal);
+            languagesToken.emplace_back(lineName, i);
+        }
+        languagesToken.emplace_back(nullptr, -1);
+    }
+}
+
+void CStringTable::SetLanguage()
+{
+    if (LanguageID != (u32)-1)
+        pData->m_sLanguage = languagesToken.at(LanguageID).name;
+    else
+    {
+        pData->m_sLanguage = pSettings->r_string("string_table", "language");
+        bool found = false;
+        for (const auto& it : languagesToken)
+        {
+            if (it.name && it.name == pData->m_sLanguage)
+            {
+                LanguageID = it.id;
+                found = true;
+                break;
+            }
+        }
+
+        if (!found)
+            R_ASSERT2(false, "Check localization.ltx");
+    }
+}
+
+xr_token* CStringTable::GetLanguagesToken() const
+{
+    return languagesToken.data();
+}
+
 void CStringTable::Load(LPCSTR xml_file_full)
 {
     CUIXml uiXml;
@@ -87,6 +133,15 @@ void CStringTable::Load(LPCSTR xml_file_full)
     }
 }
 
+void CStringTable::ReloadLanguage()
+{
+    if (0 == xr_strcmp(languagesToken.at(LanguageID).name, pData->m_sLanguage.c_str()))
+        return;
+
+    Destroy();
+    Init();
+}
+
 void CStringTable::ReparseKeyBindings()
 {
     if (!pData)

src/xrGame/string_table.h

@@ -29,13 +29,21 @@ class CStringTable : public IStringTable
     STRING_VALUE translate(const STRING_ID& str_id) const;
     void rescan();
 
+    void ReloadLanguage();
+
     static BOOL m_bWriteErrorsToLog;
     static void ReparseKeyBindings();
 
+    xr_token* GetLanguagesToken() const;
+    static u32 LanguageID;
+
 private:
     void Load(LPCSTR xml_file);
+    void FillLanguageToken();
+    void SetLanguage();
     static STRING_VALUE ParseLine(LPCSTR str, LPCSTR key, bool bFirst);
     static STRING_TABLE_DATA* pData;
+    static xr_vector<xr_token> languagesToken;
 };
 
 CStringTable& StringTable();