Fix #10630: Don't allow shifting service date earlier than 0 (#10643)

1 year ago · 97cfd40649
parent a0d8545f6c
commit 97cfd40649
1 changed files with 1 additions and 1 deletions
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@ -771,7 +771,7 @@ uint32 Vehicle::GetGRFID() const
 */
 void Vehicle::ShiftDates(int interval)
 {
-	this->date_of_last_service += interval;
+	this->date_of_last_service = std::max(this->date_of_last_service + interval, 0);
 }
 /**