8 files changed, 533 insertions, 21 deletions

diff --git a/src/core/Frontend.cpp b/src/core/Frontend.cpp
index d82c5df4..0c813cbb 100644
--- a/src/core/Frontend.cpp
+++ b/src/core/Frontend.cpp
@@ -36,6 +36,7 @@
 #include "Stats.h"
 #include "Messages.h"
 #include "FileLoader.h"
+#include "frontendoption.h"
 
 #define TIDY_UP_PBP // ProcessButtonPresses
 #define MAX_VISIBLE_LIST_ROW 30
@@ -431,12 +432,46 @@ CMenuManager::ThingsToDoBeforeGoingBack()
 	if ((m_nCurrScreen == MENUPAGE_SKIN_SELECT) || (m_nCurrScreen == MENUPAGE_KEYBOARD_CONTROLS)) {
 		m_nTotalListRow = 0;
 	}
+
+#ifdef CUSTOM_FRONTEND_OPTIONS
+	for (int i = 0; i < numCustomFrontendOptions; i++) {
+		FrontendOption &option = customFrontendOptions[i];
+		if (option.type != FEOPTION_REDIRECT && option.type != FEOPTION_GOBACK && m_nCurrScreen == option.screen) {
+			if (option.returnPrevPageFunc)
+				option.returnPrevPageFunc();
+
+			if (m_nCurrOption == option.screenOptionOrder && option.type == FEOPTION_DYNAMIC)
+				option.buttonPressFunc(FEOPTION_ACTION_FOCUSLOSS);
+
+			if (option.onlyApplyOnEnter)
+				option.displayedValue = *option.value;
+		}
+	}
+#endif
 }
 
 int8
 CMenuManager::GetPreviousPageOption()
 {
+#ifndef CUSTOM_FRONTEND_OPTIONS
+	return !m_bGameNotLoaded ? aScreens[m_nCurrScreen].m_ParentEntry[1] : aScreens[m_nCurrScreen].m_ParentEntry[0];
+#else
+	int8 prevPage = !m_bGameNotLoaded ? aScreens[m_nCurrScreen].m_PreviousPage[1] : aScreens[m_nCurrScreen].m_PreviousPage[0];
+
+	if (prevPage == -1) // Game also does same
+		return 0;
+
+	prevPage = prevPage == MENUPAGE_NONE ? (!m_bGameNotLoaded ? MENUPAGE_PAUSE_MENU : MENUPAGE_START_MENU) : prevPage;
+
+	for (int i = 0; i < NUM_MENUROWS; i++) {
+		if (aScreens[prevPage].m_aEntries[i].m_TargetMenu == m_nCurrScreen) {
+			return i;
+		}
+	}
+
+	// Couldn't find current screen option on previous page, use default behaviour (maybe save-related screen?)
 	return !m_bGameNotLoaded ? aScreens[m_nCurrScreen].m_ParentEntry[1] : aScreens[m_nCurrScreen].m_ParentEntry[0];
+#endif
 }
 
 // ------ Functions not in the game/inlined ends
@@ -955,7 +990,14 @@ CMenuManager::Draw()
 	}
 #endif
 
+#ifdef CUSTOM_FRONTEND_OPTIONS
+	static int lastOption = m_nCurrOption;
+#endif
+
 	for (int i = 0; i < NUM_MENUROWS; ++i) {
+#ifdef CUSTOM_FRONTEND_OPTIONS
+		bool isOptionDisabled = false;
+#endif
 		if (aScreens[m_nCurrScreen].m_aEntries[i].m_Action != MENUACTION_LABEL && aScreens[m_nCurrScreen].m_aEntries[i].m_EntryName[0] != '\0') {
 			wchar *rightText = nil;
 			wchar *leftText;
@@ -1232,6 +1274,29 @@ CMenuManager::Draw()
 				rightText = TheText.Get(gPS2alphaTest ? "FEM_ON" : "FEM_OFF");
 				break;
 #endif
+#ifdef CUSTOM_FRONTEND_OPTIONS
+			case MENUACTION_TRIGGERFUNC:
+				FrontendOption& option = customFrontendOptions[aScreens[m_nCurrScreen].m_aEntries[i].m_TargetMenu];
+				if (m_nCurrScreen == option.screen && i == option.screenOptionOrder) {
+					leftText = (wchar*)option.leftText;
+					if (option.type == FEOPTION_SELECT) {
+						if (option.displayedValue >= option.numRightTexts || option.displayedValue < 0)
+							option.displayedValue = 0;
+
+						rightText = (wchar*)option.rightTexts[option.displayedValue];
+
+					} else if (option.type == FEOPTION_DYNAMIC) {
+						if (option.drawFunc) {
+							rightText = option.drawFunc(&isOptionDisabled);
+						}
+					}
+				} else {
+					debug("A- screen:%d option:%d - totalCo: %d, coId: %d, coScreen:%d, coOption:%d\n", m_nCurrScreen, i, numCustomFrontendOptions, aScreens[m_nCurrScreen].m_aEntries[i].m_TargetMenu, option.screen, option.screenOptionOrder);
+					assert(0 && "Custom frontend options is borked");
+				}
+
+				break;
+#endif
 			}
 
 			float nextItemY = headerHeight + nextYToUse;
@@ -1318,7 +1383,11 @@ CMenuManager::Draw()
 						     || !strcmp(aScreens[m_nCurrScreen].m_aEntries[i].m_EntryName, "FED_AAS")
 #endif
 							)
-							&& !m_bGameNotLoaded)
+							&& !m_bGameNotLoaded
+#ifdef CUSTOM_FRONTEND_OPTIONS
+							|| isOptionDisabled
+#endif
+							)
 							CFont::SetColor(CRGBA(155, 117, 6, FadeIn(255)));
 
 					CFont::PrintString(MENU_X_RIGHT_ALIGNED(columnWidth - textLayer), itemY, rightText);
@@ -1428,6 +1497,20 @@ CMenuManager::Draw()
 			}
 #endif
 
+#ifdef CUSTOM_FRONTEND_OPTIONS
+			if (aScreens[m_nCurrScreen].m_aEntries[i].m_Action == MENUACTION_TRIGGERFUNC) {
+				FrontendOption &option = customFrontendOptions[aScreens[m_nCurrScreen].m_aEntries[i].m_TargetMenu];
+				if (option.onlyApplyOnEnter && m_nCurrOption != i)
+					option.displayedValue = *option.value;
+
+				if (m_nCurrOption != lastOption && lastOption == i) {
+					FrontendOption &oldOption = customFrontendOptions[aScreens[m_nCurrScreen].m_aEntries[lastOption].m_TargetMenu];
+					if (oldOption.type == FEOPTION_DYNAMIC)
+						oldOption.buttonPressFunc(FEOPTION_ACTION_FOCUSLOSS);
+				}
+			}
+#endif
+
 			// Sliders
 			int lastActiveBarX;
 			switch (aScreens[m_nCurrScreen].m_aEntries[i].m_Action) {
@@ -1471,6 +1554,10 @@ CMenuManager::Draw()
 		}
 	}
 
+#ifdef CUSTOM_FRONTEND_OPTIONS
+	lastOption = m_nCurrOption;
+#endif
+
 	switch (m_nCurrScreen) {
 	case MENUPAGE_CONTROLLER_SETTINGS:
 	case MENUPAGE_SOUND_SETTINGS:
@@ -3128,6 +3215,10 @@ CMenuManager::InitialiseChangedLanguageSettings()
 		default:
 			break;
 		}
+
+#ifdef CUSTOM_FRONTEND_OPTIONS
+		CustomFrontendOptionsPopulate();
+#endif
 	}
 }
 
@@ -5006,6 +5097,33 @@ CMenuManager::ProcessButtonPresses(void)
 					RetryMission(2, 0);
 					return;
 #endif
+#ifdef CUSTOM_FRONTEND_OPTIONS
+				case MENUACTION_TRIGGERFUNC:
+					FrontendOption& option = customFrontendOptions[aScreens[m_nCurrScreen].m_aEntries[m_nCurrOption].m_TargetMenu];
+					if (m_nCurrScreen == option.screen && m_nCurrOption == option.screenOptionOrder) {
+						if (option.type == FEOPTION_SELECT) {
+							if (!option.onlyApplyOnEnter) {
+								option.displayedValue++;
+								if (option.displayedValue >= option.numRightTexts || option.displayedValue < 0)
+									option.displayedValue = 0;
+							}
+							option.changeFunc(option.displayedValue);
+							*option.value = option.displayedValue;
+
+						} else if (option.type == FEOPTION_DYNAMIC) {
+							option.buttonPressFunc(FEOPTION_ACTION_SELECT);
+						} else if (option.type == FEOPTION_REDIRECT) {
+							ChangeScreen(option.to, option.option, true, option.fadeIn);
+						} else if (option.type == FEOPTION_GOBACK) {
+							goBack = true;
+						}
+					} else {
+						debug("B- screen:%d option:%d - totalCo: %d, coId: %d, coScreen:%d, coOption:%d\n", m_nCurrScreen, m_nCurrOption, numCustomFrontendOptions, aScreens[m_nCurrScreen].m_aEntries[m_nCurrOption].m_TargetMenu, option.screen, option.screenOptionOrder);
+						assert(0 && "Custom frontend options are borked");
+					}
+
+					break;
+#endif
 			}
 		}
 		ProcessOnOffMenuOptions();
@@ -5236,6 +5354,36 @@ CMenuManager::ProcessButtonPresses(void)
 				DMAudio.PlayFrontEndSound(SOUND_FRONTEND_MENU_SETTING_CHANGE, 0);
 				SaveSettings();
 				break;
+#ifdef CUSTOM_FRONTEND_OPTIONS
+			case MENUACTION_TRIGGERFUNC:
+				FrontendOption& option = customFrontendOptions[aScreens[m_nCurrScreen].m_aEntries[m_nCurrOption].m_TargetMenu];
+				if (m_nCurrScreen == option.screen && m_nCurrOption == option.screenOptionOrder) {
+					if (option.type == FEOPTION_SELECT) {
+						if (changeValueBy > 0) {
+							option.displayedValue++;
+							if (option.displayedValue >= option.numRightTexts)
+								option.displayedValue = 0;
+						} else {
+							option.displayedValue--;
+							if (option.displayedValue < 0)
+								option.displayedValue = option.numRightTexts - 1;
+						}
+						if (!option.onlyApplyOnEnter) {
+							option.changeFunc(option.displayedValue);
+							*option.value = option.displayedValue;
+						}
+					} else if (option.type == FEOPTION_DYNAMIC) {
+						option.buttonPressFunc(changeValueBy > 0 ? FEOPTION_ACTION_RIGHT : FEOPTION_ACTION_LEFT);
+					}
+					DMAudio.PlayFrontEndSound(SOUND_FRONTEND_MENU_SETTING_CHANGE, 0);
+				}
+				else {
+					debug("C- screen:%d option:%d - totalCo: %d, coId: %d, coScreen:%d, coOption:%d\n", m_nCurrScreen, m_nCurrOption, numCustomFrontendOptions, aScreens[m_nCurrScreen].m_aEntries[m_nCurrOption].m_TargetMenu, option.screen, option.screenOptionOrder);
+					assert(0 && "Custom frontend options are borked");
+				}
+
+				break;
+#endif
 		}
 		ProcessOnOffMenuOptions();
 		if (m_nCurrScreen == MENUPAGE_KEYBOARD_CONTROLS) {
diff --git a/src/core/Frontend.h b/src/core/Frontend.h
index cf112b3d..fa3652a1 100644
--- a/src/core/Frontend.h
+++ b/src/core/Frontend.h
@@ -381,6 +381,9 @@ enum eMenuAction
 #ifdef CUTSCENE_BORDERS_SWITCH
 	MENUACTION_CUTSCENEBORDERS,
 #endif
+#ifdef CUSTOM_FRONTEND_OPTIONS
+	MENUACTION_TRIGGERFUNC
+#endif
 };
 
 enum eCheckHover
@@ -475,7 +478,7 @@ struct CMenuScreen
 		int32 m_Action; // eMenuAction
 		char m_EntryName[8];
 		int32 m_SaveSlot; // eSaveSlot
-		int32 m_TargetMenu; // eMenuScreen
+		int32 m_TargetMenu; // eMenuScreen // FrontendOption ID if it's a custom option
 	} m_aEntries[NUM_MENUROWS];
 };
 
diff --git a/src/core/Game.cpp b/src/core/Game.cpp
index a95c479a..c0530709 100644
--- a/src/core/Game.cpp
+++ b/src/core/Game.cpp
@@ -86,6 +86,7 @@
 #include "ZoneCull.h"
 #include "Zones.h"
 #include "debugmenu.h"
+#include "frontendoption.h"
 #include "postfx.h"
 #include "custompipes.h"
 
@@ -292,6 +293,10 @@ bool CGame::InitialiseOnceAfterRW(void)
 	DMAudio.SetEffectsFadeVol(127);
 	DMAudio.SetMusicFadeVol(127);
 	CWorld::Players[0].SetPlayerSkin(CMenuManager::m_PrefsSkinFile);
+
+#ifdef CUSTOM_FRONTEND_OPTIONS
+	CustomFrontendOptionsPopulate();
+#endif
 	return true;
 }
 
diff --git a/src/core/MenuScreens.cpp b/src/core/MenuScreens.cpp
index 5dfcc8fe..02c004b3 100644
--- a/src/core/MenuScreens.cpp
+++ b/src/core/MenuScreens.cpp
@@ -2,6 +2,8 @@
 #include "Frontend.h"
 #ifdef PC_MENU
 
+// If you want to add new options, please don't do that here and see CustomFrontendOptionsPopulate in re3.cpp.
+
 #ifdef CUTSCENE_BORDERS_SWITCH
 #define MENU_CUTSCENE_BORDERS_SWITCH(screen) MENUACTION_CUTSCENEBORDERS, "FEM_CSB", SAVESLOT_NONE, screen,
 #else
@@ -45,11 +47,7 @@ CMenuScreen aScreens[] = {
 	{ "", 1, MENUPAGE_DISABLED, MENUPAGE_DISABLED, 0, 0, },
 
 	// MENUPAGE_STATS = 1
-#ifdef MENU_MAP
-	{ "FET_STA", 1, MENUPAGE_NONE, MENUPAGE_NONE, 5, 3,
-#else
 	{ "FET_STA", 1, MENUPAGE_NONE, MENUPAGE_NONE, 5, 2,
-#endif
 		MENUACTION_CHANGEMENU, "FEDS_TB", SAVESLOT_NONE, MENUPAGE_NONE,
 	},
 
@@ -62,11 +60,7 @@ CMenuScreen aScreens[] = {
 	},
 
 	// MENUPAGE_BRIEFS = 3
-#ifdef MENU_MAP
-	{ "FET_BRE", 1, MENUPAGE_NONE, MENUPAGE_NONE, 6, 4,
-#else
 	{ "FET_BRE", 1, MENUPAGE_NONE, MENUPAGE_NONE, 6, 3,
-#endif
 		MENUACTION_CHANGEMENU, "FEDS_TB", SAVESLOT_NONE, MENUPAGE_NONE,
 	},
 
@@ -381,11 +375,7 @@ CMenuScreen aScreens[] = {
    },
 
    // MENUPAGE_OPTIONS = 41
-#ifdef MENU_MAP
-		{ "FET_OPT", 1, MENUPAGE_NONE, MENUPAGE_NONE, 1, 5,
-#else
    { "FET_OPT", 1, MENUPAGE_NONE, MENUPAGE_NONE, 1, 4,
-#endif
 		MENUACTION_CHANGEMENU,		"FET_CTL", SAVESLOT_NONE, MENUPAGE_CONTROLLER_PC,
 		MENUACTION_LOADRADIO,		"FET_AUD", SAVESLOT_NONE, MENUPAGE_SOUND_SETTINGS,
 		MENUACTION_CHANGEMENU,		"FET_DIS", SAVESLOT_NONE, MENUPAGE_DISPLAY_SETTINGS,
@@ -398,11 +388,7 @@ CMenuScreen aScreens[] = {
    },
 
    // MENUPAGE_EXIT = 42
-#ifdef MENU_MAP
-   { "FET_QG", 1, MENUPAGE_NONE, MENUPAGE_NONE, 2, 6,
-#else
    { "FET_QG", 1, MENUPAGE_NONE, MENUPAGE_NONE, 2, 5,
-#endif
 	   MENUACTION_LABEL,		"FEQ_SRE",	SAVESLOT_NONE, MENUPAGE_NONE,
 	   MENUACTION_DONTCANCEL,	"FEM_NO",	SAVESLOT_NONE, MENUPAGE_NONE,
 	   MENUACTION_CANCELGAME,	"FEM_YES",	SAVESLOT_NONE, MENUPAGE_NONE,
@@ -463,9 +449,6 @@ CMenuScreen aScreens[] = {
    { "FET_PAU", 1, MENUPAGE_DISABLED, MENUPAGE_DISABLED, 0, 0,
 	   MENUACTION_RESUME,		"FEM_RES",	SAVESLOT_NONE, MENUPAGE_NONE,
 	   MENUACTION_CHANGEMENU,	"FEN_STA",	SAVESLOT_NONE, MENUPAGE_NEW_GAME,
-#ifdef MENU_MAP
-	   MENUACTION_CHANGEMENU,	"FEG_MAP",	SAVESLOT_NONE, MENUPAGE_MAP,
-#endif
 	   MENUACTION_CHANGEMENU,	"FEP_STA",	SAVESLOT_NONE, MENUPAGE_STATS,
 	   MENUACTION_CHANGEMENU,	"FEP_BRI",	SAVESLOT_NONE, MENUPAGE_BRIEFS,
 	   MENUACTION_CHANGEMENU,	"FET_OPT",	SAVESLOT_NONE, MENUPAGE_OPTIONS,
diff --git a/src/core/config.h b/src/core/config.h
index 8e91853d..ac3ba109 100644
--- a/src/core/config.h
+++ b/src/core/config.h
@@ -248,6 +248,7 @@ enum Config {
 #	define SCROLLABLE_STATS_PAGE	// only draggable by mouse atm
 #	define TRIANGLE_BACK_BUTTON
 //#	define CIRCLE_BACK_BUTTON
+#	define CUSTOM_FRONTEND_OPTIONS
 #	define GRAPHICS_MENU_OPTIONS
 #endif
 
diff --git a/src/core/re3.cpp b/src/core/re3.cpp
index 27ec336d..dd116e27 100644
--- a/src/core/re3.cpp
+++ b/src/core/re3.cpp
@@ -71,6 +71,115 @@ mysrand(unsigned int seed)
 	myrand_seed = seed;
 }
 
+#ifdef CUSTOM_FRONTEND_OPTIONS
+#include "frontendoption.h"
+#include "platform.h"
+
+void ReloadFrontendOptions(void)
+{
+	CustomFrontendOptionsPopulate();
+}
+
+#ifdef MORE_LANGUAGES
+void LangPolSelect(int8 action)
+{
+	if (action == FEOPTION_ACTION_SELECT) {
+		FrontEndMenuManager.m_PrefsLanguage = CMenuManager::LANGUAGE_POLISH;
+		FrontEndMenuManager.m_bFrontEnd_ReloadObrTxtGxt = true;
+		FrontEndMenuManager.InitialiseChangedLanguageSettings();
+		FrontEndMenuManager.SaveSettings();
+	}
+}
+
+void LangRusSelect(int8 action)
+{
+	if (action == FEOPTION_ACTION_SELECT) {
+		FrontEndMenuManager.m_PrefsLanguage = CMenuManager::LANGUAGE_RUSSIAN;
+		FrontEndMenuManager.m_bFrontEnd_ReloadObrTxtGxt = true;
+		FrontEndMenuManager.InitialiseChangedLanguageSettings();
+		FrontEndMenuManager.SaveSettings();
+	}
+}
+
+void LangJapSelect(int8 action)
+{
+	if (action == FEOPTION_ACTION_SELECT) {
+		FrontEndMenuManager.m_PrefsLanguage = CMenuManager::LANGUAGE_JAPANESE;
+		FrontEndMenuManager.m_bFrontEnd_ReloadObrTxtGxt = true;
+		FrontEndMenuManager.InitialiseChangedLanguageSettings();
+		FrontEndMenuManager.SaveSettings();
+	}
+}
+#endif
+
+/*#ifdef IMPROVED_VIDEOMODE
+void ScreenModeChange(int8 displayedValue)
+{
+	if (displayedValue != FrontEndMenuManager.m_nPrefsWindowed) {
+		FrontEndMenuManager.m_nPrefsWindowed = displayedValue;
+		_psSelectScreenVM(FrontEndMenuManager.m_nPrefsVideoMode); // apply same resolution
+		FrontEndMenuManager.SetHelperText(0);
+		FrontEndMenuManager.SaveSettings();
+	}
+}
+#endif*/
+
+#ifdef FREE_CAM
+void ToggleFreeCam(int8 action)
+{
+	if (action == FEOPTION_ACTION_SELECT) {
+		TheCamera.bFreeCam = !TheCamera.bFreeCam;
+		FrontEndMenuManager.SaveSettings();
+	}
+}
+#endif
+
+//#ifdef CUTSCENE_BORDERS_SWITCH
+//void BorderModeChange(int8 displayedValue)
+//{
+//	CMenuManager::m_PrefsCutsceneBorders = !!displayedValue;
+//	FrontEndMenuManager.SaveSettings();
+//}
+//#endif
+
+// Reloaded on language change, so you can use hardcoded wchar* and TheText.Get with peace of mind
+void
+CustomFrontendOptionsPopulate(void)
+{
+	RemoveCustomFrontendOptions(); // if exist
+
+#ifdef MORE_LANGUAGES
+	FrontendOptionSetPosition(MENUPAGE_LANGUAGE_SETTINGS);
+	FrontendOptionAddDynamic(TheText.Get("FEL_POL"), nil, LangPolSelect, nil);
+	FrontendOptionAddDynamic(TheText.Get("FEL_RUS"), nil, LangRusSelect, nil);
+	FrontendOptionAddDynamic(TheText.Get("FEL_JAP"), nil, LangJapSelect, nil);
+#endif
+
+/*#ifdef IMPROVED_VIDEOMODE
+	static const wchar *screenModes[] = { (wchar*)L"FULLSCREEN", (wchar*)L"WINDOWED" };
+	FrontendOptionSetPosition(MENUPAGE_GRAPHICS_SETTINGS, 8);
+	FrontendOptionAddSelect(TheText.Get("SCRFOR"), screenModes, 2, (int8*)&FrontEndMenuManager.m_nPrefsWindowed, true, ScreenModeChange, nil);
+#endif*/
+
+#ifdef MENU_MAP
+	FrontendOptionSetPosition(MENUPAGE_PAUSE_MENU, 2);
+	FrontendOptionAddRedirect(TheText.Get("FEG_MAP"), MENUPAGE_MAP);
+#endif
+
+#ifdef FREE_CAM
+	static const wchar *text = (wchar*)L"TOGGLE FREE CAM";
+	FrontendOptionSetPosition(MENUPAGE_CONTROLLER_PC, 1);
+	FrontendOptionAddDynamic(text, nil, ToggleFreeCam, nil);
+#endif
+
+/*#ifdef CUTSCENE_BORDERS_SWITCH
+	static const wchar *off_on[] = { TheText.Get("FEM_OFF"), TheText.Get("FEM_ON") };
+	FrontendOptionSetPosition(MENUPAGE_DISPLAY_SETTINGS, 3);
+	FrontendOptionAddSelect((const wchar *)L"CUTSCENE BORDERS", off_on, 2, (int8 *)&CMenuManager::m_PrefsCutsceneBorders, false, BorderModeChange, nil);
+#endif*/
+}
+#endif
+
 #ifdef DEBUGMENU
 void WeaponCheat();
 void HealthCheat();
@@ -405,6 +514,9 @@ DebugMenuPopulate(void)
 		DebugMenuAddCmd("Debug", "Catalina Fly Away", CHeli::MakeCatalinaHeliFlyAway);
 		DebugMenuAddVarBool8("Debug", "Script Heli On", &CHeli::ScriptHeliOn, nil);
 
+#ifdef CUSTOM_FRONTEND_OPTIONS
+		DebugMenuAddCmd("Debug", "Reload custom frontend options", ReloadFrontendOptions);
+#endif
 		DebugMenuAddVarBool8("Debug", "Toggle popping heads on headshot", &CPed::bPopHeadsOnHeadshot, nil);
 		DebugMenuAddCmd("Debug", "Start Credits", CCredits::Start);
 		DebugMenuAddCmd("Debug", "Stop Credits", CCredits::Stop);
diff --git a/src/extras/frontendoption.cpp b/src/extras/frontendoption.cpp
new file mode 100644
index 00000000..51814f35
--- /dev/null
+++ b/src/extras/frontendoption.cpp
@@ -0,0 +1,173 @@
+#include "common.h"
+
+#ifdef CUSTOM_FRONTEND_OPTIONS
+#include "frontendoption.h"
+
+int numCustomFrontendOptions = 0;
+FrontendOption *customFrontendOptions;
+
+int optionCursor = -1;
+eMenuScreen currentMenu;
+
+void ChangeScreen(eMenuScreen screen, int option, bool fadeIn)
+{
+	FrontEndMenuManager.m_nPrevScreen = FrontEndMenuManager.m_nCurrScreen;
+	FrontEndMenuManager.m_nCurrScreen = screen;
+	FrontEndMenuManager.m_nCurrOption = option;
+	if (fadeIn)
+		FrontEndMenuManager.m_nMenuFadeAlpha = 0;
+}
+
+void GoBack(bool fadeIn)
+{
+	int screen = !FrontEndMenuManager.m_bGameNotLoaded ?
+		aScreens[FrontEndMenuManager.m_nCurrScreen].m_PreviousPage[1] : aScreens[FrontEndMenuManager.m_nCurrScreen].m_PreviousPage[0];
+	int option = !FrontEndMenuManager.m_bGameNotLoaded ?
+		aScreens[FrontEndMenuManager.m_nCurrScreen].m_ParentEntry[1] : aScreens[FrontEndMenuManager.m_nCurrScreen].m_ParentEntry[0];
+
+	FrontEndMenuManager.ThingsToDoBeforeGoingBack();
+
+	ChangeScreen((eMenuScreen)screen, option, fadeIn);
+}
+
+uint8
+GetNumberOfMenuOptions(int screen)
+{
+	uint8 Rows = 0;
+	for (int i = 0; i < NUM_MENUROWS; i++) {
+		if (aScreens[screen].m_aEntries[i].m_Action == MENUACTION_NOTHING)
+			break;
+
+		++Rows;
+	}
+	return Rows;
+}
+
+// Used before populating options, but effective in InitialiseChangedLanguageSettings and debugmenu
+void
+RemoveCustomFrontendOptions()
+{
+	if (numCustomFrontendOptions == 0)
+		return;
+
+	for (int i = 0; i < MENUPAGES; i++) {
+		for (int j = 0; j < NUM_MENUROWS; j++) {
+			if (aScreens[i].m_aEntries[j].m_Action == MENUACTION_TRIGGERFUNC) {
+				int k;
+				for (k = j; k < NUM_MENUROWS-1; k++) {
+					memcpy(&aScreens[i].m_aEntries[k], &aScreens[i].m_aEntries[k+1], sizeof(CMenuScreen::CMenuEntry));
+				}
+				aScreens[i].m_aEntries[k].m_Action = MENUACTION_NOTHING;
+				aScreens[i].m_aEntries[k].m_EntryName[0] = '\0';
+				j--;
+			}
+		}
+	}
+	free(customFrontendOptions);
+	numCustomFrontendOptions = 0;
+}
+
+int8 RegisterNewOption(int screen)
+{
+	numCustomFrontendOptions++;
+	if (numCustomFrontendOptions == 1)
+		customFrontendOptions = (FrontendOption*)malloc(5 * sizeof(FrontendOption));
+	else if (numCustomFrontendOptions % 5 == 1)
+		customFrontendOptions = (FrontendOption*)realloc(customFrontendOptions, (numCustomFrontendOptions + 4) * sizeof(FrontendOption));
+
+	assert(customFrontendOptions != nil && "Custom frontend options can't be allocated");
+
+	uint8 nth = GetNumberOfMenuOptions(screen);
+	if (optionCursor < 0) {
+		if (optionCursor == -1) {
+			if (!strcmp(aScreens[screen].m_aEntries[nth - 1].m_EntryName, "FEDS_TB") || !strcmp(aScreens[screen].m_aEntries[nth - 1].m_EntryName, "FESZ_CA")) {
+				// Move back button one below
+				memcpy(&aScreens[screen].m_aEntries[nth], &aScreens[screen].m_aEntries[nth - 1], sizeof(CMenuScreen::CMenuEntry));
+				nth--;
+			}
+		}
+	} else {
+		if (aScreens[screen].m_aEntries[optionCursor].m_Action != MENUACTION_NOTHING) {
+			for (int i = nth - 1; i >= optionCursor; i--) {
+				memcpy(&aScreens[screen].m_aEntries[i + 1], &aScreens[screen].m_aEntries[i], sizeof(CMenuScreen::CMenuEntry));
+			}
+		}
+		nth = optionCursor;
+		optionCursor++;
+	}
+
+	aScreens[screen].m_aEntries[nth].m_Action = MENUACTION_TRIGGERFUNC;
+	aScreens[screen].m_aEntries[nth].m_TargetMenu = numCustomFrontendOptions - 1;
+	aScreens[screen].m_aEntries[nth].m_EntryName[0] = 1; // just something to fool it
+	return nth;
+}
+
+void FrontendOptionSetPosition(eMenuScreen screen, int8 option)
+{
+	currentMenu = screen;
+	optionCursor = option;
+}
+
+void FrontendOptionAddSelect(const wchar* leftText, const wchar** rightTexts, int8 numRightTexts, int8 *var, bool onlyApplyOnEnter, ChangeFunc changeFunc, ReturnPrevPageFunc returnPrevPageFunc)
+{
+	int8 screenOptionOrder = RegisterNewOption(currentMenu);
+
+	FrontendOption& option = customFrontendOptions[numCustomFrontendOptions - 1];
+	option.screen = currentMenu;
+	option.type = FEOPTION_SELECT;
+	option.leftText = leftText;
+	option.rightTexts = rightTexts;
+	option.numRightTexts = numRightTexts;
+	option.value = var;
+	option.displayedValue = *var;
+	option.onlyApplyOnEnter = onlyApplyOnEnter;
+	option.changeFunc = changeFunc;
+	option.screenOptionOrder = screenOptionOrder;
+	option.returnPrevPageFunc = returnPrevPageFunc;
+}
+
+void FrontendOptionAddDynamic(const wchar* leftText, DrawFunc drawFunc, ButtonPressFunc buttonPressFunc, ReturnPrevPageFunc returnPrevPageFunc)
+{
+	int8 screenOptionOrder = RegisterNewOption(currentMenu);
+
+	FrontendOption& option = customFrontendOptions[numCustomFrontendOptions - 1];
+	option.screen = currentMenu;
+	option.type = FEOPTION_DYNAMIC;
+	option.drawFunc = drawFunc;
+	option.buttonPressFunc = buttonPressFunc;
+	option.leftText = leftText;
+	option.onlyApplyOnEnter = false;
+	option.screenOptionOrder = screenOptionOrder;
+	option.returnPrevPageFunc = returnPrevPageFunc;
+}
+
+void FrontendOptionAddRedirect(const wchar* text, eMenuScreen to, int8 selectedOption, bool fadeIn)
+{
+	int8 screenOptionOrder = RegisterNewOption(currentMenu);
+
+	FrontendOption &option = customFrontendOptions[numCustomFrontendOptions - 1];
+	option.screen = currentMenu;
+	option.type = FEOPTION_REDIRECT;
+	option.to = to;
+	option.option = selectedOption;
+	option.fadeIn = fadeIn;
+	option.leftText = text;
+	option.onlyApplyOnEnter = false;
+	option.screenOptionOrder = screenOptionOrder;
+	option.returnPrevPageFunc = nil;
+}
+
+void FrontendOptionAddBackButton(const wchar* text, bool fadeIn)
+{
+	int8 screenOptionOrder = RegisterNewOption(currentMenu);
+
+	FrontendOption& option = customFrontendOptions[numCustomFrontendOptions - 1];
+	option.screen = currentMenu;
+	option.type = FEOPTION_GOBACK;
+	option.fadeIn = fadeIn;
+	option.leftText = text;
+	option.onlyApplyOnEnter = false;
+	option.screenOptionOrder = screenOptionOrder;
+	option.returnPrevPageFunc = nil;
+}
+#endif
\ No newline at end of file
diff --git a/src/extras/frontendoption.h b/src/extras/frontendoption.h
new file mode 100644
index 00000000..7cfc09a7
--- /dev/null
+++ b/src/extras/frontendoption.h
@@ -0,0 +1,87 @@
+#pragma once
+#include "common.h"
+
+#ifdef CUSTOM_FRONTEND_OPTIONS
+#include "Frontend.h"
+
+// Warning: All of the code relies on that you won't use more then NUM_MENUROWS(18) options on one page. Also congrats if you can make 18 options visible at once.
+
+
+// Static/select:	User allocates variable, passes it to function and it's set automatically from input among the strings given to function,
+//					then you can handle ChangeFunc and ReturnPrevPageFunc if needed.
+//
+// Dynamic:			Function doesn't accept value pointer, user should do operations with handling ButtonPressFunc.
+//					Right-side text can be set via DrawFunc, which is called on every draw. ReturnPrevPageFunc is also here if needed.
+
+#define FEOPTION_SELECT 0
+#define FEOPTION_DYNAMIC 1
+#define FEOPTION_REDIRECT 2
+#define FEOPTION_GOBACK 3
+
+#define FEOPTION_ACTION_LEFT 0
+#define FEOPTION_ACTION_RIGHT 1
+#define FEOPTION_ACTION_SELECT 2
+#define FEOPTION_ACTION_FOCUSLOSS 3
+
+void RemoveCustomFrontendOptions();
+void CustomFrontendOptionsPopulate();
+
+// for static and dynamic options
+typedef void (*ReturnPrevPageFunc)();
+
+// for static options
+typedef void (*ChangeFunc)(int8 displayedValue); // called before updating the value
+
+// for dynamic options
+typedef wchar* (*DrawFunc)(bool* disabled); // should return pointer to right text. *disabled = true will make it dark yellow
+typedef void (*ButtonPressFunc)(int8 action); // see FEOPTION_ACTIONs above
+
+struct FrontendOption
+{
+	int8 type;
+	int8 screenOptionOrder;
+	eMenuScreen screen;
+	const wchar* leftText;
+	ReturnPrevPageFunc returnPrevPageFunc;
+	
+	union {
+		// Only for dynamic
+		struct {
+			DrawFunc drawFunc;
+			ButtonPressFunc buttonPressFunc;
+		};
+
+		// Only for static/select
+		struct {
+			const wchar** rightTexts;
+			int8 numRightTexts;
+			int8 *value;
+			int8 displayedValue; // if onlyApplyOnEnter enabled
+			bool onlyApplyOnEnter;
+			ChangeFunc changeFunc;
+		};
+
+		// Only for redirect
+		struct {
+			eMenuScreen to;
+			int8 option;
+			bool fadeIn;
+		};
+	};
+};
+
+extern int numCustomFrontendOptions;
+extern FrontendOption* customFrontendOptions;
+
+// To be used in ButtonPressFunc / ChangeFunc(but that would be weird):
+void ChangeScreen(eMenuScreen screen, int option = 0, bool fadeIn = true);
+void GoBack(bool fadeIn = true);
+
+// If option is positive number, all calls will increase it before using it (you can think it as cursor). -1 means before the back button, -2 is end of page
+void FrontendOptionSetPosition(eMenuScreen screen, int8 option = -1);
+
+void FrontendOptionAddSelect(const wchar* leftText, const wchar** rightTexts, int8 numRightTexts, int8 *var, bool onlyApplyOnEnter, ChangeFunc changeFunc, ReturnPrevPageFunc returnPrevPageFunc);
+void FrontendOptionAddDynamic(const wchar* leftText, DrawFunc rightTextDrawFunc, ButtonPressFunc buttonPressFunc, ReturnPrevPageFunc returnPrevPageFunc);
+void FrontendOptionAddRedirect(const wchar* text, eMenuScreen to, int8 selectedOption = 0, bool fadeIn = true);
+void FrontendOptionAddBackButton(const wchar* text, bool fadeIn = true);
+#endif
\ No newline at end of file