diff options
| -rw-r--r-- | src/road_cmd.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp index 36336c33c..423086645 100644 --- a/src/road_cmd.cpp +++ b/src/road_cmd.cpp @@ -298,10 +298,11 @@ static CommandCost CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existi RoadBits road_bits; if (IsSteepSlope(tileh)) { - if (existing == 0) { - /* force full pieces. */ - *pieces |= (RoadBits)((*pieces & 0xC) >> 2); - *pieces |= (RoadBits)((*pieces & 0x3) << 2); + /* force full pieces. */ + *pieces |= (RoadBits)((*pieces & 0xC) >> 2); + *pieces |= (RoadBits)((*pieces & 0x3) << 2); + + if (existing == 0 || existing == *pieces) { if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform; } return CMD_ERROR; @@ -320,11 +321,12 @@ static CommandCost CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existi return CommandCost(existing != 0 ? 0 : _price.terraform); } + *pieces |= (RoadBits)((*pieces & 0xC) >> 2); + *pieces |= (RoadBits)((*pieces & 0x3) << 2); + /* partly leveled up tile, only if there's no road on that tile */ - if (existing == 0 && (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N)) { + if ((existing == 0 || existing == *pieces) && (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N)) { /* force full pieces. */ - *pieces |= (RoadBits)((*pieces & 0xC) >> 2); - *pieces |= (RoadBits)((*pieces & 0x3) << 2); if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform; } return CMD_ERROR; |