Add event flag for removing invalid RVs during load

src/event_logs.cpp

@@ -42,6 +42,7 @@ char *DumpGameEventFlags(GameEventFlags events, char *b, const char *last)
 	dump('i', GEF_INDUSTRY_CREATE);
 	dump('j', GEF_INDUSTRY_DELETE);
 	dump('v', GEF_VIRT_TRAIN);
+	dump('r', GEF_RM_INVALID_RV);
 	return b;
 }
 

src/event_logs.h

@@ -24,6 +24,7 @@ enum GameEventFlags : uint32_t {
 	GEF_INDUSTRY_CREATE      = 1 << 6, ///< (i) An industry has been created (in game)
 	GEF_INDUSTRY_DELETE      = 1 << 7, ///< (j) An industry has been deleted (in game)
 	GEF_VIRT_TRAIN           = 1 << 8, ///< (v) A virtual train has been created
+	GEF_RM_INVALID_RV        = 1 << 9, ///< (r) Removed uncorrectable road vehicle on load
 };
 DECLARE_ENUM_AS_BIT_SET(GameEventFlags)
 

src/sl/vehicle_sl.cpp

@@ -23,6 +23,7 @@
 #include "../error.h"
 #include "../strings_func.h"
 #include "../economy_base.h"
+#include "../event_logs.h"
 #include "../3rdparty/cpp-btree/btree_map.h"
 #include "../core/format.hpp"
 
@@ -575,6 +576,8 @@ void AfterLoadVehiclesRemoveAnyFoundInvalid()
 		SetDParam(0, (uint)_load_invalid_vehicles_to_delete.size());
 		ShowErrorMessage(STR_WARNING_LOADGAME_REMOVED_UNCORRECTABLE_VEHICLES, INVALID_STRING_ID, WL_CRITICAL);
 		GroupStatistics::UpdateAfterLoad();
+
+		RegisterGameEvents(GEF_RM_INVALID_RV);
 	}
 
 	for (Vehicle *v : _load_invalid_vehicles_to_delete) {