71 lines
2.4 KiB
Haskell
71 lines
2.4 KiB
Haskell
module Dodge.Creature.Damage where
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import Color
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import Data.List
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import Dodge.Creature.Test
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import Dodge.Data.World
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import Dodge.Spark
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import Geometry
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import LensHelp
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applyNoDamage :: [Damage] -> Creature -> World -> World
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applyNoDamage _ _ = id
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applyCreatureDamage :: [Damage] -> Creature -> World -> World
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applyCreatureDamage dms cr = case _crMaterial cr of
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Flesh -> defaultApplyDamage dms cr
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Crystal -> id
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_ -> defaultApplyDamage dms cr
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defaultApplyDamage :: [Damage] -> Creature -> World -> World
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defaultApplyDamage ds cr w =
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foldl' (applyIndividualDamage cr) w ds'
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& cWorld . lWorld . creatures . ix (_crID cr) %~ doPoisonDam
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where
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(ps, ds') = partition isPoison ds
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isPoison Damage{_dmType = POISONDAM} = True
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isPoison _ = False
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poisonDam = quot (max 0 (sum (map _dmAmount ps))) 10
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doPoisonDam = crHP -~ poisonDam
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applyDamageEffect :: Damage -> DamageEffect -> Creature -> World -> World
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applyDamageEffect dm de cr = case de of
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PushDamage push pushexp pushRad ->
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cWorld . lWorld . creatures . ix (_crID cr) . crPos .+.+~ pushAmount *.* squashNormalizeV (_crPos cr -.- fromDir)
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where
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pushAmount
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| dist (_crPos cr) fromDir == 0 = 0
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| otherwise = min 5 $ (push * 5 * pushRad / (dist (_crPos cr) fromDir * _crMass cr)) ** pushexp
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PushBackDamage pback ->
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cWorld . lWorld . creatures . ix (_crID cr) . crPos .+.+~ (pback / _crMass cr) *.* (_dmTo dm -.- fromDir)
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TorqueDamage rot ->
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cWorld . lWorld . creatures . ix (_crID cr) . crDir +~ rot
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NoDamageEffect -> id
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where
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fromDir = _dmFrom dm
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--p = _dmAt dm
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applyIndividualDamage :: Creature -> World -> Damage -> World
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applyIndividualDamage cr w dm = applyDamageEffect dm (_dmEffect dm) cr $ applyIndividualDamage' cr w dm
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applyIndividualDamage' :: Creature -> World -> Damage -> World
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applyIndividualDamage' cr w dm = case _dmType dm of
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PIERCING -> applyPiercingDamage cr dm w
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_ -> w & damageHP cr (_dmAmount dm)
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applyPiercingDamage :: Creature -> Damage -> World -> World
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applyPiercingDamage cr dm
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| crIsArmouredFrom p cr = colSpark (brightX 10 1.5 orange) p1 (argV (p1 -.- p))
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| otherwise = damageHP cr $ _dmAmount dm
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where
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p = _dmAt dm
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p1 = p +.+ 2 *.* squashNormalizeV (p -.- _crPos cr)
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damageHP :: Creature -> Int -> World -> World
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damageHP cr x =
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cWorld . lWorld . creatures . ix (_crID cr)
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%~ ( (crHP -~ x)
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. (crPastDamage +~ x)
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)
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