diff options
-rw-r--r-- | rail_cmd.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/rail_cmd.c b/rail_cmd.c index 24b1cf77c..29999fabb 100644 --- a/rail_cmd.c +++ b/rail_cmd.c @@ -273,7 +273,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) return CMD_ERROR; } if (!IsTileOwner(tile, _current_player) || - GetRailType(tile) != p1) { + !IsCompatibleRail(GetRailType(tile), p1)) { // Get detailed error message return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); } @@ -282,6 +282,15 @@ 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) < p1) { + ret = DoCommand(tile, tile, p1, flags, CMD_CONVERT_RAIL); + if (CmdFailed(ret)) return ret; + cost += ret; + } + if (flags & DC_EXEC) { SetRailGroundType(tile, RAIL_GROUND_BARREN); _m[tile].m5 |= trackbit; |