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(svn r10718) -Fix (r10698): when having a road corner on a slope removing the road bit perpendicular on the slope made the foundation disappear.

This commit is contained in:
rubidium 2007-07-29 12:11:50 +00:00
parent aeb992ce90
commit b0f2653eb8
1 changed files with 8 additions and 1 deletions
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9
src/road_cmd.cpp
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@ -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;
}