diff options
| -rw-r--r-- | rail_cmd.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/rail_cmd.c b/rail_cmd.c index 395990a71..2877389d5 100644 --- a/rail_cmd.c +++ b/rail_cmd.c @@ -285,10 +285,9 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (CmdFailed(ret)) return ret; cost += ret; - /* XXX Assume a 'higher' railtype has preference. This means we - * will convert from normal rail to electrified rail, but not - * the other way around. */ - if (GetRailType(tile) < railtype) { + /* If the rail types don't match, try to convert only if engines of + * the present rail type are powered on the new rail type. */ + if (GetRailType(tile) != railtype && HasPowerOnRail(GetRailType(tile), railtype)) { ret = DoCommand(tile, tile, railtype, flags, CMD_CONVERT_RAIL); if (CmdFailed(ret)) return ret; cost += ret; |