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(svn r1332) -Fix: Desert-landscape does no longer crash (protected GetMapExtraBits

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from overflowing)
This commit is contained in:
truelight 2005-01-03 11:11:16 +00:00
parent 6c4840fa50
commit 7e89cd8643
1 changed files with 5 additions and 1 deletions
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6
landscape.c
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@ -444,7 +444,11 @@ void SetMapExtraBits(uint tile, byte bits)
uint GetMapExtraBits(uint tile)
{
return (_map_extra_bits[tile >> 2] >> (tile&3)*2)&3;
if (GET_TILE_X(tile) < MapSizeX() && GET_TILE_Y(tile) < MapSizeY() &&
GET_TILE_X(tile) > 0 && GET_TILE_Y(tile) > 0)
return (_map_extra_bits[tile >> 2] >> (tile&3)*2)&3;
else
return 0;
}
#define TILELOOP_BITS 4