Files
loop/src/Dodge/Creature/Damage.hs
T

38 lines
1.3 KiB
Haskell

module Dodge.Creature.Damage (applyCreatureDamage) where
import Dodge.Material.Damage
import Data.List
import Dodge.Creature.Mass
import Dodge.Creature.Material
import Dodge.Creature.Test
import Dodge.Data.World
import Dodge.Spark
import Geometry
import LensHelp
applyCreatureDamage :: [Damage] -> Creature -> World -> World
applyCreatureDamage dms cr w = foldl' (applyIndividualDamage cr) w dms
applyIndividualDamage :: Creature -> World -> Damage -> World
applyIndividualDamage cr w dm = damMatSideEffect dm (crMaterial (_crType cr)) (Left cr) $
case dm of
Piercing{} -> applyPiercingDamage cr dm w
_ -> w & damageHP cr (_dmAmount dm)
applyPiercingDamage :: Creature -> Damage -> World -> World
applyPiercingDamage cr dm w
| crIsArmouredFrom (w ^. cWorld . lWorld . items) p cr
= f . makeSpark NormalSpark p1 (argV (p1 - p)) $ w
| otherwise = f . damageHP cr (_dmAmount dm) $ w
where
f = cWorld . lWorld . creatures . ix (_crID cr) . crPos +~ _dmVector dm
/ V2 x x
x = crMass (_crType cr)
p = _dmPos dm
p1 = p + 2 *.* squashNormalizeV (p - _crPos cr)
damageHP :: Creature -> Int -> World -> World
damageHP cr x =
(cWorld . lWorld . creatures . ix (_crID cr) . crHP . _HP -~ x)
. (cWorld . lWorld . creatures . ix (_crID cr) . crPain +~ x)