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-rw-r--r--src/newgrf_engine.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/newgrf_engine.h b/src/newgrf_engine.h
index 222f229ad..2ddeaa17c 100644
--- a/src/newgrf_engine.h
+++ b/src/newgrf_engine.h
@@ -49,6 +49,8 @@ enum VehicleTrigger {
VEHICLE_TRIGGER_EMPTY = 4,
/* Not triggered externally (called for the whole chain if we got NEW_CARGO) */
VEHICLE_TRIGGER_ANY_NEW_CARGO = 8,
+ /* Externally triggered for each vehicle in chain */
+ VEHICLE_TRIGGER_CALLBACK_32 = 10,
};
void TriggerVehicle(Vehicle *veh, VehicleTrigger trigger);