diff options
author | rubidium <rubidium@openttd.org> | 2010-01-04 18:30:10 +0000 |
---|---|---|
committer | rubidium <rubidium@openttd.org> | 2010-01-04 18:30:10 +0000 |
commit | 3e131e2fece740591d9187e19789a34b36c763fa (patch) | |
tree | eff6d495176fe6d806e6990f5faa5c7ecb5a05e1 /src/map_func.h | |
parent | 87466a4ed091035b758ef981e6600e2b03cbfe30 (diff) | |
download | openttd-3e131e2fece740591d9187e19789a34b36c763fa.tar.xz |
(svn r18718) -Codechange: make a wrapper macro for looping TileAreas
Diffstat (limited to 'src/map_func.h')
-rw-r--r-- | src/map_func.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/map_func.h b/src/map_func.h index 806220ccc..5acabc11d 100644 --- a/src/map_func.h +++ b/src/map_func.h @@ -348,6 +348,16 @@ uint DistanceFromEdge(TileIndex); ///< shortest distance from any edge of the ma for (uint cur_w = (w); cur_w > 0; --cur_w, var++) /** + * A loop which iterates over the tiles of a TileArea + * + * This macro starts 2 nested loops which iterates over a square of tiles. + * + * @param var The name of the variable which contains the current tile + * @param ta The tile area to search over + */ +#define TILE_AREA_LOOP(var, ta) TILE_LOOP(var, ta.w, ta.h, ta.tile) + +/** * Convert a DiagDirection to a TileIndexDiff * * @param dir The DiagDirection |