GameCube Config: Add option to override the NTSC auto language change.

Some NTSC games have translations on the game disc that can be accessed via the system language byte.

Source/Core/Core/BootManager.cpp

@@ -186,7 +186,7 @@ bool BootCore(const std::string& _rFilename)
 		}
 
 		// Some NTSC GameCube games such as Baten Kaitos react strangely to language settings that would be invalid on an NTSC system
-		if (StartUp.bNTSC)
+		if (!StartUp.bOverrideGCLanguage && StartUp.bNTSC)
 		{
 			StartUp.SelectedLanguage = 0;
 		}

Source/Core/Core/ConfigManager.cpp

@@ -191,6 +191,7 @@ void SConfig::SaveCoreSettings(IniFile& ini)
 	core->Set("Apploader", m_LocalCoreStartupParameter.m_strApploader);
 	core->Set("EnableCheats", m_LocalCoreStartupParameter.bEnableCheats);
 	core->Set("SelectedLanguage", m_LocalCoreStartupParameter.SelectedLanguage);
+	core->Set("OverrideGCLang", m_LocalCoreStartupParameter.bOverrideGCLanguage);
 	core->Set("DPL2Decoder", m_LocalCoreStartupParameter.bDPL2Decoder);
 	core->Set("Latency", m_LocalCoreStartupParameter.iLatency);
 	core->Set("MemcardAPath", m_strMemoryCardA);
@@ -437,6 +438,7 @@ void SConfig::LoadCoreSettings(IniFile& ini)
 	core->Get("Apploader",         &m_LocalCoreStartupParameter.m_strApploader);
 	core->Get("EnableCheats",      &m_LocalCoreStartupParameter.bEnableCheats, false);
 	core->Get("SelectedLanguage",  &m_LocalCoreStartupParameter.SelectedLanguage, 0);
+	core->Get("OverrideGCLang",    &m_LocalCoreStartupParameter.bOverrideGCLanguage, false);
 	core->Get("DPL2Decoder",       &m_LocalCoreStartupParameter.bDPL2Decoder, false);
 	core->Get("Latency",           &m_LocalCoreStartupParameter.iLatency, 2);
 	core->Get("MemcardAPath",      &m_strMemoryCardA);

Source/Core/Core/CoreParameter.cpp

@@ -43,7 +43,7 @@ SCoreStartupParameter::SCoreStartupParameter()
   bMMU(false), bDCBZOFF(false),
   iBBDumpPort(0),
   bFastDiscSpeed(false), bSyncGPU(false),
-  SelectedLanguage(0), bWii(false),
+  SelectedLanguage(0), bOverrideGCLanguage(false), bWii(false),
   bConfirmStop(false), bHideCursor(false),
   bAutoHideCursor(false), bUsePanicHandlers(true), bOnScreenDisplayMessages(true),
   iRenderWindowXPos(-1), iRenderWindowYPos(-1),
@@ -86,6 +86,7 @@ void SCoreStartupParameter::LoadDefaults()
 	bFastDiscSpeed = false;
 	bEnableMemcardSaving = true;
 	SelectedLanguage = 0;
+	bOverrideGCLanguage = false;
 	bWii = false;
 	bDPL2Decoder = false;
 	iLatency = 14;

Source/Core/Core/CoreParameter.h

@@ -193,6 +193,7 @@ struct SCoreStartupParameter
 	float fSyncGpuOverclock;
 
 	int SelectedLanguage;
+	bool bOverrideGCLanguage;
 
 	bool bWii;
 

Source/Core/DolphinWX/Config/GameCubeConfigPane.cpp

@@ -55,6 +55,10 @@ void GameCubeConfigPane::InitializeGUI()
 	m_system_lang_choice->SetToolTip(_("Sets the GameCube system language."));
 	m_system_lang_choice->Bind(wxEVT_CHOICE, &GameCubeConfigPane::OnSystemLanguageChange, this);
 
+	m_override_lang_checkbox = new wxCheckBox(this, wxID_ANY, _("Override Language on NTSC Games"));
+	m_override_lang_checkbox->SetToolTip(_("Lets the system language be set to values that games were not designed for. This can allow the use of extra translations for a few games, but can also lead to text display issues."));
+	m_override_lang_checkbox->Bind(wxEVT_CHECKBOX, &GameCubeConfigPane::OnOverrideLanguageCheckBoxChanged, this);
+
 	m_skip_bios_checkbox = new wxCheckBox(this, wxID_ANY, _("Skip BIOS"));
 	m_skip_bios_checkbox->Bind(wxEVT_CHECKBOX, &GameCubeConfigPane::OnSkipBiosCheckBoxChanged, this);
 
@@ -96,6 +100,7 @@ void GameCubeConfigPane::InitializeGUI()
 	sGamecubeIPLSettings->Add(new wxStaticText(this, wxID_ANY, _("System Language:")),
 		wxGBPosition(1, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL | wxLEFT | wxRIGHT | wxBOTTOM, 5);
 	sGamecubeIPLSettings->Add(m_system_lang_choice, wxGBPosition(1, 1), wxDefaultSpan, wxLEFT | wxRIGHT | wxBOTTOM, 5);
+	sGamecubeIPLSettings->Add(m_override_lang_checkbox, wxGBPosition(2, 0), wxGBSpan(1, 2), wxALL, 5);
 
 	wxStaticBoxSizer* const sbGamecubeIPLSettings = new wxStaticBoxSizer(wxVERTICAL, this, _("IPL Settings"));
 	sbGamecubeIPLSettings->Add(sGamecubeIPLSettings);
@@ -128,6 +133,7 @@ void GameCubeConfigPane::LoadGUIValues()
 
 	m_system_lang_choice->SetSelection(startup_params.SelectedLanguage);
 	m_skip_bios_checkbox->SetValue(startup_params.bHLE_BS2);
+	m_override_lang_checkbox->SetValue(startup_params.bOverrideGCLanguage);
 
 	wxArrayString slot_devices;
 	slot_devices.Add(_(DEV_NONE_STR));
@@ -199,6 +205,7 @@ void GameCubeConfigPane::RefreshGUI()
 	if (Core::IsRunning())
 	{
 		m_system_lang_choice->Disable();
+		m_override_lang_checkbox->Disable();
 		m_skip_bios_checkbox->Disable();
 	}
 }
@@ -210,6 +217,13 @@ void GameCubeConfigPane::OnSystemLanguageChange(wxCommandEvent& event)
 	AddPendingEvent(wxCommandEvent(wxDOLPHIN_CFG_REFRESH_LIST));
 }
 
+void GameCubeConfigPane::OnOverrideLanguageCheckBoxChanged(wxCommandEvent& event)
+{
+	SConfig::GetInstance().m_LocalCoreStartupParameter.bOverrideGCLanguage = m_override_lang_checkbox->IsChecked();
+
+	AddPendingEvent(wxCommandEvent(wxDOLPHIN_CFG_REFRESH_LIST));
+}
+
 void GameCubeConfigPane::OnSkipBiosCheckBoxChanged(wxCommandEvent& event)
 {
 	SConfig::GetInstance().m_LocalCoreStartupParameter.bHLE_BS2 = m_skip_bios_checkbox->IsChecked();

Source/Core/DolphinWX/Config/GameCubeConfigPane.h

@@ -23,6 +23,7 @@ private:
 	void RefreshGUI();
 
 	void OnSystemLanguageChange(wxCommandEvent&);
+	void OnOverrideLanguageCheckBoxChanged(wxCommandEvent&);
 	void OnSkipBiosCheckBoxChanged(wxCommandEvent&);
 	void OnSlotAChanged(wxCommandEvent&);
 	void OnSlotBChanged(wxCommandEvent&);
@@ -36,6 +37,7 @@ private:
 	wxArrayString m_ipl_language_strings;
 
 	wxChoice* m_system_lang_choice;
+	wxCheckBox* m_override_lang_checkbox;
 	wxCheckBox* m_skip_bios_checkbox;
 	wxChoice* m_exi_devices[3];
 	wxButton* m_memcard_path[2];