Weakened dodging slightly - use dodging skill without the skill bump.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1120 c06c8d41-db1a-0410-9941-cceddc491573
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int dodge_bonus = (skill_bump(SK_DODGING) * you.dex + 10)
int dodge_bonus = (you.skills[SK_DODGING] * you.dex + 10)
potential_damage > 0? coinflip() + random2(potential_damage) : 0;
potential_damage > 0? one_chance_in(3) + random2(potential_damage) : 0;