Add Rule Zone:KillProcessOnDynamicShutdown and functionality for killing a dynamic after it has been allocated a zone and has shutdown - this is done for memory reasons because we do not clean up after ourselves at all and zone processes bloat heavily in memory. This is a workaround until we manage this better

common/ruletypes.h

@@ -274,6 +274,7 @@ RULE_INT(Zone, MinOfflineTimeToReplenishments, 21600) // 21600 seconds is 6 Hour
 RULE_BOOL(Zone, UseZoneController, true) // Enables the ability to use persistent quest based zone controllers (zone_controller.pl/lua)
 RULE_BOOL(Zone, EnableZoneControllerGlobals, false) // Enables the ability to use quest globals with the zone controller NPC
 RULE_INT(Zone, GlobalLootMultiplier, 1) // Sets Global Loot drop multiplier for database based drops, useful for double, triple loot etc.
+RULE_BOOL(Zone, KillProcessOnDynamicShutdown, true) // When process has booted a zone and has hit its zone shut down timer, it will hard kill the process to free memory back to the OS
 RULE_CATEGORY_END()
 
 RULE_CATEGORY(Map)

zone/net.cpp

@@ -543,8 +543,9 @@ int main(int argc, char** argv) {
 					}
 				}
 
-				if (quest_timers.Check())
+				if (quest_timers.Check()) {
 					quest_manager.Process();
+				}
 
 			}
 		}

zone/zone.cpp

@@ -683,10 +683,11 @@ bool Zone::IsLoaded() {
 	return is_zone_loaded;
 }
 
-void Zone::Shutdown(bool quite)
+void Zone::Shutdown(bool quiet)
 {
-	if (!is_zone_loaded)
+	if (!is_zone_loaded) {
 		return;
+	}
 
 	entity_list.StopMobAI();
 
@@ -706,8 +707,7 @@ void Zone::Shutdown(bool quite)
 	zone->adventure_entry_list_flavor.clear();
 
 	std::map<uint32, LDoNTrapTemplate *>::iterator itr4;
-	while(!zone->ldon_trap_list.empty())
-	{
+	while (!zone->ldon_trap_list.empty()) {
 		itr4 = zone->ldon_trap_list.begin();
 		delete itr4->second;
 		zone->ldon_trap_list.erase(itr4);
@@ -717,8 +717,10 @@ void Zone::Shutdown(bool quite)
 	LogInfo("Zone Shutdown: [{}] ([{}])", zone->GetShortName(), zone->GetZoneID());
 	petition_list.ClearPetitions();
 	zone->SetZoneHasCurrentTime(false);
-	if (!quite)
-		LogInfo("Zone shutdown: going to sleep");
+	if (!quiet) {
+		LogInfo("Zone Shutdown: Going to sleep");
+	}
+
 	is_zone_loaded = false;
 
 	zone->ResetAuth();
@@ -728,6 +730,11 @@ void Zone::Shutdown(bool quite)
 	UpdateWindowTitle();
 
 	LogSys.CloseFileLogs();
+
+	if (RuleB(Zone, KillProcessOnDynamicShutdown)) {
+		LogInfo("[KillProcessOnDynamicShutdown] Shutting down");
+		std::exit(EXIT_SUCCESS);
+	}
 }
 
 void Zone::LoadZoneDoors(const char* zone, int16 version)

zone/zone.h

@@ -84,7 +84,7 @@ class MobMovementManager;
 class Zone {
 public:
 	static bool Bootup(uint32 iZoneID, uint32 iInstanceID, bool iStaticZone = false);
-	static void Shutdown(bool quite = false);
+	static void Shutdown(bool quiet = false);
 
 	Zone(uint32 in_zoneid, uint32 in_instanceid, const char *in_short_name);
 	~Zone();