Function ChangeTileOwner_Station

src/station_cmd.cpp:4775–4859

}

static void ChangeTileOwner_Station(TileIndex tile, Owner old_owner, Owner new_owner)
{

	if (IsAnyRoadStopTile(tile)) {
		for (RoadTramType rtt : _roadtramtypes) {
			/* Update all roadtypes, no matter if they are present */
			if (GetRoadOwner(tile, rtt) == old_owner) {
				RoadType rt = GetRoadType(tile, rtt);
				if (rt != INVALID_ROADTYPE) {
					/* A drive-through road-stop has always two road bits. No need to dirty windows here, we'll redraw the whole screen anyway. */
					Company::Get(old_owner)->infrastructure.road[rt] -= 2;
					if (new_owner != INVALID_OWNER) Company::Get(new_owner)->infrastructure.road[rt] += 2;
				}
				SetRoadOwner(tile, rtt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
			}
		}
	}

	if (!IsTileOwner(tile, old_owner)) return;

	if (new_owner != INVALID_OWNER) {
		/* Update company infrastructure counts. Only do it here
		 * if the new owner is valid as otherwise the clear
		 * command will do it for us. No need to dirty windows
		 * here, we'll redraw the whole screen anyway.*/
		Company *old_company = Company::Get(old_owner);
		Company *new_company = Company::Get(new_owner);

		/* Update counts for underlying infrastructure. */
		switch (GetStationType(tile)) {
			case StationType::Rail:
			case StationType::RailWaypoint:
				if (!IsStationTileBlocked(tile)) {
					old_company->infrastructure.rail[GetRailType(tile)]--;
					new_company->infrastructure.rail[GetRailType(tile)]++;
				}
				break;

			case StationType::Bus:
			case StationType::Truck:
			case StationType::RoadWaypoint:
				/* Road stops were already handled above. */
				break;

			case StationType::Buoy:
			case StationType::Dock:
				if (GetWaterClass(tile) == WaterClass::Canal) {
					old_company->infrastructure.water--;
					new_company->infrastructure.water++;
				}
				break;

			default:
				break;
		}

		/* Update station tile count. */
		if (!IsBuoy(tile) && !IsAirport(tile)) {