mirror
/
OpenTTD
mirror of https://github.com/OpenTTD/OpenTTD
1
0
Fork 0
Code Issues

(svn r16552) -Codechange: make AddTileIndexDiffCWrap() a bit faster

release/1.0
smatz 2009-06-10 14:07:08 +00:00
parent d6996c110a
commit 5e1c59c3de
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/map_func.h
View File

@ -297,10 +297,9 @@ static inline TileIndex AddTileIndexDiffCWrap(TileIndex tile, TileIndexDiffC dif
{ {
int x = TileX(tile) + diff.x; int x = TileX(tile) + diff.x;
int y = TileY(tile) + diff.y; int y = TileY(tile) + diff.y;
if (x < 0 || y < 0 || x > (int)MapMaxX() || y > (int)MapMaxY()) /* Negative value will become big positive value after cast */
return INVALID_TILE; if ((uint)x >= MapSizeX() || (uint)y >= MapSizeY()) return INVALID_TILE;
else return TileXY(x, y);
return TileXY(x, y);
} }
/** /**