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Code Issues Activity

(svn r2360) Use GB and SB in [GS]etMapExtraBits

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This commit is contained in:
tron
2005-05-22 08:09:40 +00:00
parent aa1c202577
commit ec4f1d12f4
1 changed files with 2 additions and 3 deletions

5
tile.c

@@ -4,14 +4,13 @@
void SetMapExtraBits(TileIndex tile, byte bits) void SetMapExtraBits(TileIndex tile, byte bits)
{ {
assert(tile < MapSize()); assert(tile < MapSize());
_map_extra_bits[tile >> 2] &= ~(3 << ((tile & 3) * 2)); SB(_map_extra_bits[tile >> 2], (tile & 3) * 2, 2, bits & 3);
_map_extra_bits[tile >> 2] |= (bits&3) << ((tile & 3) * 2);
} }
uint GetMapExtraBits(TileIndex tile) uint GetMapExtraBits(TileIndex tile)
{ {
assert(tile < MapSize()); assert(tile < MapSize());
return (_map_extra_bits[tile >> 2] >> (tile & 3) * 2) & 3; return GB(_map_extra_bits[tile >> 2], (tile & 3) * 2, 2);
} }