Add GAMEOVER ACS script type

Triggered when the level ends with a losing condition and
there are no extra lives.

src/acs/interface.cpp

@@ -315,6 +315,22 @@ void ACS_RunEmeraldScript(mobj_t *mo)
 	map->scriptStartType(ACS_ST_EMERALD, scriptInfo);
 }
 
+/*--------------------------------------------------
+	void ACS_RunGameOverScript(void)
+
+		See header file for description.
+--------------------------------------------------*/
+void ACS_RunGameOverScript(void)
+{
+	Environment *env = &ACSEnv;
+
+	ACSVM::GlobalScope *const global = env->getGlobalScope(0);
+	ACSVM::HubScope *const hub = global->getHubScope(0);
+	ACSVM::MapScope *const map = hub->getMapScope(0);
+
+	map->scriptStartType(ACS_ST_GAMEOVER, {});
+}
+
 /*--------------------------------------------------
 	void ACS_Tick(void)
 

src/acs/interface.h

@@ -179,6 +179,17 @@ void ACS_RunCatcherScript(mobj_t *mo);
 void ACS_RunEmeraldScript(mobj_t *mo);
 
 
+/*--------------------------------------------------
+	void ACS_RunGameOverScript(void);
+
+		Runs the map's special scripts for exiting
+		the level, due to a losing condition and
+		without any extra lives to retry.
+--------------------------------------------------*/
+
+void ACS_RunGameOverScript(void);
+
+
 /*--------------------------------------------------
 	void ACS_Tick(void);
 

src/acs/thread.hpp

@@ -42,6 +42,7 @@ enum acs_scriptType_e
 	ACS_ST_OVERTIME		=  7, // OVERTIME: Runs when Overtime starts in timed game modes.
 	ACS_ST_UFO			=  8, // UFO: Runs when the UFO Catcher is destroyed in a Special Stage.
 	ACS_ST_EMERALD		=  9, // EMERALD: Runs when the Chaos Emerald is collected in a Special Stage.
+	ACS_ST_GAMEOVER		= 10, // GAMEOVER: Runs when the level ends due to a losing condition and no player has an extra life.
 };
 
 //

src/g_game.c

@@ -2998,6 +2998,14 @@ void G_BeginLevelExit(void)
 	{
 		exitcountdown = raceexittime+1;
 	}
+
+	if (g_exit.losing)
+	{
+		if (!g_exit.retry)
+		{
+			ACS_RunGameOverScript();
+		}
+	}
 }
 
 void G_FinishExitLevel(void)