From b0f2653eb8042169172389f632078519b345d14e Mon Sep 17 00:00:00 2001 From: rubidium Date: Sun, 29 Jul 2007 12:11:50 +0000 Subject: [PATCH] (svn r10718) -Fix (r10698): when having a road corner on a slope removing the road bit perpendicular on the slope made the foundation disappear. --- src/road_cmd.cpp | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp index 1ae9a6a97c..f0ff25bf23 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; }