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| author | Griffin Smith <root@gws.fyi> | 2019-10-06T16·59-0400 |
|---|---|---|
| committer | Griffin Smith <root@gws.fyi> | 2019-10-06T16·59-0400 |
| commit | a57e36dca81274dea015c9fbdac680b44ef5576e (patch) | |
| tree | 7bdb94c622e7a582d5474178728e2c397114fde3 /src/Xanthous/Entities | |
| parent | bf92a370a5ad215fff3e2f692da981c95175b2f3 (diff) | |
Fix underflow when damaging character
Fix underflow that could happen when multiple gormlaks attack the character in a single turn
Diffstat (limited to 'src/Xanthous/Entities')
| -rw-r--r-- | src/Xanthous/Entities/Character.hs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/Xanthous/Entities/Character.hs b/src/Xanthous/Entities/Character.hs index 0bb5867ee5e1..84e653e6a09d 100644 --- a/src/Xanthous/Entities/Character.hs +++ b/src/Xanthous/Entities/Character.hs @@ -8,6 +8,7 @@ module Xanthous.Entities.Character , mkCharacter , pickUpItem , isDead + , damage ) where -------------------------------------------------------------------------------- import Xanthous.Prelude @@ -71,3 +72,7 @@ isDead = (== 0) . view characterHitpoints pickUpItem :: Item -> Character -> Character pickUpItem item = inventory %~ (item <|) +damage :: Word -> Character -> Character +damage amount = characterHitpoints %~ \case + n | n <= amount -> 0 + | otherwise -> n - amount |