diff options
Diffstat (limited to 'src/vehicle.cpp')
| -rw-r--r-- | src/vehicle.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/vehicle.cpp b/src/vehicle.cpp index b7bae6cb0..0c42fbaf0 100644 --- a/src/vehicle.cpp +++ b/src/vehicle.cpp @@ -624,6 +624,39 @@ bool Vehicle::IsEngineCountable() const } } +/** + * Handle the pathfinding result, especially the lost status. + * If the vehicle is now lost and wasn't previously fire an + * event to the AIs and a news message to the user. If the + * vehicle is not lost anymore remove the news message. + * @param path_found Whether the vehicle has a path to its destination. + */ +void Vehicle::HandlePathfindingResult(bool path_found) +{ + if (path_found) { + /* Route found, is the vehicle marked with "lost" flag? */ + if (!HasBit(this->vehicle_flags, VF_PATHFINDER_LOST)) return; + + /* Clear the flag as the PF's problem was solved. */ + ClrBit(this->vehicle_flags, VF_PATHFINDER_LOST); + /* Delete the news item. */ + DeleteVehicleNews(this->index, STR_NEWS_VEHICLE_IS_LOST); + return; + } + + /* Were we already lost? */ + if (HasBit(this->vehicle_flags, VF_PATHFINDER_LOST)) return; + + /* It is first time the problem occurred, set the "lost" flag. */ + SetBit(this->vehicle_flags, VF_PATHFINDER_LOST); + /* Notify user about the event. */ + AI::NewEvent(this->owner, new AIEventVehicleLost(this->index)); + if (_settings_client.gui.lost_vehicle_warn && this->owner == _local_company) { + SetDParam(0, this->index); + AddVehicleNewsItem(STR_NEWS_VEHICLE_IS_LOST, NS_ADVICE, this->index); + } +} + void Vehicle::PreDestructor() { if (CleaningPool()) return; |