git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6735 c06c8d41-db1a-0410-9941-cceddc491573
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for (int i = -3; i <= 3; ++i)
for (int j = -3; j <= 3; j++)
{
coord_def tmp = you.pos() + coord_def(i,j);
if (is_bloodcovered(tmp))
env.map(tmp).property = FPROP_NONE;
}
for ( radius_iterator ri(you.pos(), 3, true, true); ri; ++ri )
if (is_bloodcovered(*ri))
env.map(*ri).property = FPROP_NONE;