(svn r10504) -Codechange: Shorten the test if no track bit has been found

17 years ago · 5111c6205c
parent 8b17441704
commit 5111c6205c
1 changed files with 1 additions and 0 deletions
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@ -640,6 +640,7 @@ static RoadBits GetTownRoadMask(TileIndex tile)
 	TrackBits b = GetAnyRoadTrackBits(tile, ROADTYPE_ROAD);
 	RoadBits r = ROAD_NONE;

+	if (b == TRACK_BIT_NONE) return r;
 	if (b & TRACK_BIT_X)     r |= ROAD_X;
 	if (b & TRACK_BIT_Y)     r |= ROAD_Y;
 	if (b & TRACK_BIT_UPPER) r |= ROAD_NE | ROAD_NW;