(svn r21508) -Codechange: move the code to handle the pathfinder's "path found" status to a separate function

This commit is contained in:
rubidium
2010-12-13 21:55:06 +00:00
parent 55a0e31c44
commit 6d831906a3
3 changed files with 35 additions and 26 deletions

View File

@@ -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;