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use pillars for wall ends instead of NS or EW

develop
myk002 2021-07-17 11:45:16 -07:00
parent 79bdf36ed4
commit 3c8a174a68
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1 changed files with 11 additions and 8 deletions
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19
plugins/dig-now.cpp
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@ -436,15 +436,18 @@ static TileDirection get_adjacent_smooth_walls(MapExtras::MapCache &map,
return tdir;
}
// ensure we have at least two directions enabled so we can find a matching
// tiletype
// ensure we have at least two directions enabled (or 0) so we can find a
// matching tiletype. The game chooses to curve "end piece" walls into
// orthogonally adjacent hidden tiles, or uses a pillar if there are no such
// tiles. we take the easier, but not quite conformant, path here and always use
// a pillar for end pieces. If we want to become faithful to how the game does
// it, this code should be moved to the post-processing phase after hidden tiles
// have been revealed. We would also have to scan for wall ends that are no
// longer adjacent to hidden tiles and convert them to pillars when we dig two
// tiles away from such a wall end and reveal their adjacent hidden tile.
static TileDirection ensure_valid_tdir(TileDirection tdir) {
if (tdir.sum() < 2) {
if (tdir.north) tdir.south = 1;
else if (tdir.south) tdir.north = 1;
else if (tdir.east) tdir.west = 1;
else if (tdir.west) tdir.east = 1;
}
if (tdir.sum() < 2)
tdir.whole = 0;
return tdir;
}