Overlays/SaveStates: Add multi-slot support to controller menu

rpcs3/Emu/RSX/Overlays/HomeMenu/overlay_home_menu_savestate.cpp

@@ -35,18 +35,31 @@ namespace rsx
 				return page_navigation::exit;
 			});
 
-			if (!suspend_mode && boot_current_game_savestate(true, 1)) {
+			for (u32 save_index = 1; !suspend_mode && save_index <= 4; save_index++)
-				std::unique_ptr<overlay_element> reload_state = std::make_unique<home_menu_entry>(
-					get_localized_string(localized_string_id::HOME_MENU_RELOAD_SAVESTATE));
-
-				add_item(reload_state, [](pad_button btn) -> page_navigation
 			{
-					if (btn != pad_button::cross) return page_navigation::stay;
+				if (boot_current_game_savestate(true, save_index))
-					rsx_log.notice("User selected reload savestate in home menu");
+				{
-					Emu.CallFromMainThread([]() { boot_current_game_savestate(true, 1); });
+					const localized_string_id str_id = static_cast<localized_string_id>(static_cast<usz>(localized_string_id::HOME_MENU_RELOAD_SAVESTATE) + (save_index - 1));
+					std::unique_ptr<overlay_element> reload_state = std::make_unique<home_menu_entry>(get_localized_string(str_id));
+
+					add_item(reload_state, [save_index](pad_button btn) -> page_navigation
+					{
+						if (btn != pad_button::cross)
+						{
+							return page_navigation::stay;
+						}
+
+						rsx_log.notice("User selected reload savestate(%u) in home menu", save_index);
+						Emu.CallFromMainThread([save_index]() { boot_current_game_savestate(false, save_index); });
 						return page_navigation::exit;
 					});
 				}
+				else
+				{
+					break;
+				}
+			}
+
 			apply_layout();
 		}
 	}

rpcs3/Emu/localized_string_id.h

@@ -274,6 +274,9 @@ enum class localized_string_id
 	HOME_MENU_SAVESTATE_SAVE,
 	HOME_MENU_SAVESTATE_AND_EXIT,
 	HOME_MENU_RELOAD_SAVESTATE,
+	HOME_MENU_RELOAD_SECOND_SAVESTATE,
+	HOME_MENU_RELOAD_THIRD_SAVESTATE,
+	HOME_MENU_RELOAD_FOURTH_SAVESTATE,
 	HOME_MENU_RECORDING,
 	HOME_MENU_TROPHIES,
 	HOME_MENU_TROPHY_LIST_TITLE,

rpcs3/rpcs3qt/localized_emu.h

@@ -295,6 +295,9 @@ private:
 		case localized_string_id::HOME_MENU_SAVESTATE_SAVE: return tr("Save Emulation State");
 		case localized_string_id::HOME_MENU_SAVESTATE_AND_EXIT: return tr("Save Emulation State And Exit");
 		case localized_string_id::HOME_MENU_RELOAD_SAVESTATE: return tr("Reload Last Emulation State");
+		case localized_string_id::HOME_MENU_RELOAD_SECOND_SAVESTATE: return tr("Reload Second-To-Last Emulation State");
+		case localized_string_id::HOME_MENU_RELOAD_THIRD_SAVESTATE: return tr("Reload Third-To-Last Emulation State");
+		case localized_string_id::HOME_MENU_RELOAD_FOURTH_SAVESTATE: return tr("Reload Fourth-To-Last Emulation State");
 		case localized_string_id::HOME_MENU_RECORDING: return tr("Start/Stop Recording");
 		case localized_string_id::HOME_MENU_TROPHIES: return tr("Trophies");
 		case localized_string_id::HOME_MENU_TROPHY_LIST_TITLE: return tr("Trophy Progress: %0").arg(std::forward<Args>(args)...);