diff options
-rw-r--r-- | src/road_cmd.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp index 1ae9a6a97..f0ff25bf2 100644 --- a/src/road_cmd.cpp +++ b/src/road_cmd.cpp @@ -842,7 +842,14 @@ struct DrawRoadTileStruct { Foundation GetRoadFoundation(Slope tileh, RoadBits bits) { if (!IsSteepSlope(tileh)) { - if ((~_valid_tileh_slopes_road[0][tileh] & bits) == 0) return FOUNDATION_NONE; + if ((~_valid_tileh_slopes_road[0][tileh] & bits) == 0) { + /* As one can remove a single road piece when in a corner on a foundation as + * it is on a sloped piece of landscape, one creates a state that cannot be + * created directly, but the state itself is still perfectly drawable. + * However, as we do not want this to be build directly, we need to check + * for that situation in here. */ + return (tileh != 0 && HAS_SINGLE_BIT(bits)) ? FOUNDATION_LEVELED : FOUNDATION_NONE; + } if ((~_valid_tileh_slopes_road[1][tileh] & bits) == 0) return FOUNDATION_LEVELED; } |