git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3171 c06c8d41-db1a-0410-9941-cceddc491573
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if (you.experience_level >= level_diff
&& (book.base_type == OBJ_BOOKS?
you.magic_points >= level_diff
: book.plus >= level_diff * ROD_CHARGE_MULT))
if (book.base_type == OBJ_BOOKS?
you.experience_level >= level_diff
&& you.magic_points >= level_diff
: book.plus >= level_diff * ROD_CHARGE_MULT)
if (you.experience_level < diff)
{
mprf("You need to be at least level %d to use that.", diff);
crawl_state.zero_turns_taken();
return (-1);
}