Option to not pause the game when the window loses focus (#7046)

Source/DiabloUI/diabloui.cpp

@@ -452,9 +452,9 @@ void UiHandleEvents(SDL_Event *event)
 			// For example, if the previous size was too large for a hardware cursor then it was invisible
 			// but may now become visible.
 			DoReinitializeHardwareCursor();
-		} else if (event->window.event == SDL_WINDOWEVENT_FOCUS_LOST) {
+		} else if (event->window.event == SDL_WINDOWEVENT_FOCUS_LOST && *sgOptions.Gameplay.pauseOnFocusLoss) {
 			music_mute();
-		} else if (event->window.event == SDL_WINDOWEVENT_FOCUS_GAINED) {
+		} else if (event->window.event == SDL_WINDOWEVENT_FOCUS_GAINED && *sgOptions.Gameplay.pauseOnFocusLoss) {
 			diablo_focus_unpause();
 		}
 	}

Source/init.cpp

@@ -401,10 +401,12 @@ void MainWndProc(const SDL_Event &event)
 		diablo_quit(0);
 		break;
 	case SDL_WINDOWEVENT_FOCUS_LOST:
-		diablo_focus_pause();
+		if (*sgOptions.Gameplay.pauseOnFocusLoss)
+			diablo_focus_pause();
 		break;
 	case SDL_WINDOWEVENT_FOCUS_GAINED:
-		diablo_focus_unpause();
+		if (*sgOptions.Gameplay.pauseOnFocusLoss)
+			diablo_focus_unpause();
 		break;
 	case SDL_WINDOWEVENT_MOVED:
 	case SDL_WINDOWEVENT_RESIZED:

Source/movie.cpp

@@ -59,10 +59,12 @@ void play_movie(const char *pszMovie, bool userCanClose)
 					break;
 #ifndef USE_SDL1
 				case SDL_WINDOWEVENT:
-					if (event.window.event == SDL_WINDOWEVENT_FOCUS_LOST)
-						diablo_focus_pause();
-					else if (event.window.event == SDL_WINDOWEVENT_FOCUS_GAINED)
-						diablo_focus_unpause();
+					if (*sgOptions.Gameplay.pauseOnFocusLoss) {
+						if (event.window.event == SDL_WINDOWEVENT_FOCUS_LOST)
+							diablo_focus_pause();
+						else if (event.window.event == SDL_WINDOWEVENT_FOCUS_GAINED)
+							diablo_focus_unpause();
+					}
 					break;
 #else
 				case SDL_ACTIVEEVENT:

Source/options.cpp

@@ -1044,6 +1044,7 @@ GameplayOptions::GameplayOptions()
     , tickRate("Speed", OptionEntryFlags::Invisible, "Speed", "Gameplay ticks per second.", 20)
     , runInTown("Run in Town", OptionEntryFlags::CantChangeInMultiPlayer, N_("Run in Town"), N_("Enable jogging/fast walking in town for Diablo and Hellfire. This option was introduced in the expansion."), false)
     , grabInput("Grab Input", OptionEntryFlags::None, N_("Grab Input"), N_("When enabled mouse is locked to the game window."), false)
+    , pauseOnFocusLoss("Pause Game When Window Loses Focus", OptionEntryFlags::None, N_("Pause Game When Window Loses Focus"), N_("When enabled, the game will pause when focus is lost."), true)
     , theoQuest("Theo Quest", OptionEntryFlags::CantChangeInGame | OptionEntryFlags::OnlyHellfire, N_("Theo Quest"), N_("Enable Little Girl quest."), false)
     , cowQuest("Cow Quest", OptionEntryFlags::CantChangeInGame | OptionEntryFlags::OnlyHellfire, N_("Cow Quest"), N_("Enable Jersey's quest. Lester the farmer is replaced by the Complete Nut."), false)
     , friendlyFire("Friendly Fire", OptionEntryFlags::CantChangeInMultiPlayer, N_("Friendly Fire"), N_("Allow arrow/spell damage between players in multiplayer even when the friendly mode is on."), true)
@@ -1128,6 +1129,7 @@ std::vector<OptionEntryBase *> GameplayOptions::GetEntries()
 		&disableCripplingShrines,
 		&adriaRefillsMana,
 		&grabInput,
+		&pauseOnFocusLoss,
 	};
 }
 

Source/options.h

@@ -528,6 +528,8 @@ struct GameplayOptions : OptionCategoryBase {
 	OptionEntryBoolean runInTown;
 	/** @brief Do not let the mouse leave the application window. */
 	OptionEntryBoolean grabInput;
+	/** @brief Pause the game when focus is lost. */
+	OptionEntryBoolean pauseOnFocusLoss;
 	/** @brief Enable the Theo quest. */
 	OptionEntryBoolean theoQuest;
 	/** @brief Enable the cow quest. */