Files
loop/src/Dodge/Creature/State.hs
T
2022-06-20 11:12:24 +01:00

269 lines
9.7 KiB
Haskell

module Dodge.Creature.State
( stateUpdate
, doDamage
) where
import Dodge.Data
import Dodge.Damage
import Dodge.Hammer
import Dodge.Reloading
import Dodge.Prop.Gib
--import Dodge.Base.Arithmetic
import Dodge.Base
import Dodge.Creature.State.WalkCycle
import Dodge.Creature.Impulse.Movement
--import Dodge.Creature.Test
--import Dodge.Base
import Dodge.SoundLogic
import RandomHelp
import Dodge.WorldEvent
--import Dodge.WallCreatureCollisions
import Dodge.Creature.Action
--import Dodge.Hammer
import Geometry
import Picture
import Shape
import ShapePicture
import qualified IntMapHelp as IM
--import StrictHelp
--import FoldableHelp
--import qualified Data.IntSet as IS
--import Data.Maybe
import Data.Function
import Control.Lens
--import Control.Applicative
--import qualified SDL
--import qualified SDL.Mixer as Mix
--import qualified Data.Set as S
--import qualified Data.Map as M
--import qualified Data.Vector as V
--import qualified Data.Vector.Mutable as MV
foldCr :: [Creature -> World -> World]
-> Creature -> World -> World
--foldCr xs cr w = foldr ($ cr) w xs
foldCr xs cr w = foldr f w xs
where
f g w' = case w' ^? creatures . ix (_crID cr) of
Just cr' -> g cr' w'
Nothing -> w'
-- | this seems to work, but I am not sure about the ordering:
-- previously, the movement was updated before the ai in order to correctly set the oldpos.
-- This should be made more sensible: should the movement side effects apply to
-- the creature before or after it has moved?
-- at what point invSideEffects is applied wrt to when the creature moves
-- may affect whether the shield moves correctly
stateUpdate :: (Creature -> World -> World) -> Creature -> World -> World
stateUpdate f = foldCr
[ equipmentEffects
, invSideEff
, upInv -- upInv must be called before invSideEff 22.05.23
, movementSideEff
, f
, internalUpdate
, clearDamage -- these three
, checkDeath -- must be in
, doDamage -- this order 22/06/05
]
checkDeath :: Creature -> World -> World
checkDeath cr w
| _crHP cr > 0 = w
| otherwise = w
-- & creatures . at (_crID cr) .~ Nothing
& dropByState cr
& removecr
& stopSoundFrom (CrWeaponSound (_crID cr) 0)
& corpseOrGib cr
where
removecr
| _crID cr == 0 = (creatures . ix (_crID cr) . crUpdate .~ const id)
. (creatures . ix (_crID cr) . crPict .~ const mempty)
. (creatures . ix (_crID cr) . crHP .~ 0)
-- hack to get around player creature being killed but left with more than 0 hp
| otherwise = creatures . at (_crID cr) .~ Nothing
corpseOrGib :: Creature -> World -> World
corpseOrGib cr w = case maxDamageType (_csDamage (_crState cr)) of
Just (FLAMING,_) -> w & plNew corpses cpID (thecorpse & cpPict %~ fmap scorchSPic)
Just (ELECTRICAL,_) -> w & plNew corpses cpID thecorpse
Just (POISONDAM,_) -> w & plNew corpses cpID (thecorpse & cpPict %~ fmap poisonSPic)
_ | _crPastDamage cr > 200 -> w & addCrGibs cr
& bloodPuddleAt cpos
& bloodPuddleAt cpos
& bloodPuddleAt cpos
_ -> w
& bloodPuddleAt cpos
& bloodPuddleAt cpos
& plNew corpses cpID thecorpse
where
cpos = _crPos cr
thecorpse = Corpse
{ _cpID = 0
, _cpPos = _crPos cr
, _cpDir = _crDir cr
, _cpPict = _crCorpse cr cr
, _cpRes = Nothing
}
scorchSPic :: SPic -> SPic
scorchSPic = over _1 $
overColSH (mixColors 0.9 0.1 black . normalizeColor)
poisonSPic :: SPic -> SPic
poisonSPic = over _1 $
overColSH (mixColors 0.5 0.5 green . normalizeColor)
--scorchSPic :: World -> SPic -> SPic
--scorchSPic w sp = evalState (scorchSPic' sp) (_randGen w)
--
--scorchSPic' :: SPic -> State StdGen SPic
--scorchSPic' = _1 $ overColSHM $ \col -> takeOne [col,black]
---- (return . mixColorsLinear 0.9 0.1 black)
bloodPuddleAt :: Point2 -> World -> World
bloodPuddleAt p w = w
& snd . plNewID decorations
(color (dark $ dark red) . setDepth 01 . uncurryV translate (p +.+ q) $ circleSolid 10)
& randGen .~ g
where
(q,g) = randInCirc 10 & runState $ _randGen w
internalUpdate :: Creature -> World -> World
internalUpdate cr = creatures . ix (_crID cr) %~
( (crHammerPosition %~ moveHammerUp)
. stepReloading
. updateMovement
)
-- | Drop items according to the creature state.
-- TODO make sure this doesn't mess up any ItemPosition
dropByState :: Creature -> World -> World
dropByState cr w = foldr (dropItem cr) w $ case cr ^. crState . csDropsOnDeath of
DropAll -> IM.keys $ _crInv cr
DropSpecific xs -> xs
DropAmount n -> take n $ evalState (shuffle $ IM.keys $ _crInv cr) (_randGen w)
clearDamage :: Creature -> World -> World
clearDamage cr w = w
& creatures . ix (_crID cr) . crState . csDamage .~ []
doDamage :: Creature -> World -> World
doDamage cr w = w
& applyPastDamages cr
& _crApplyDamage cr dams cr
where
dams = _csDamage $ _crState cr
-- TODO generalise shake to arbitrary damage amounts
applyPastDamages :: Creature -> World -> World
applyPastDamages cr w
| _crPastDamage cr > 200 = let (p,g) = runState (randInCirc 3) (_randGen w)
in w & creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 100))
& randGen .~ g
| _crPastDamage cr > 20 = let (p,g) = runState (randInCirc 2) (_randGen w)
in w & creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 10))
& randGen .~ g
| _crPastDamage cr > 0 = let (p,g) = runState (randInCirc 1) (_randGen w)
in w & creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 1))
& randGen .~ g
| otherwise = w
movementSideEff :: Creature -> World -> World
movementSideEff cr w
| hasJetPack = case cr ^? crStance . carriage of
Just (Boosting v) -> w
& randGen .~ g
& makeFlamelet
(oldPos +.+ (_crRad cr + 3) *.* unitVectorAtAngle (_crDir cr + pi))
20
(momentum +.+ 1 *.* rotateV randDir (vInverse v))
Nothing
1
20
_ -> w
| otherwise = footstepSideEffect cr w
where
hasJetPack = any (\it -> it ^? itType . iyBase == Just JETPACK) $ _crInv cr
oldPos = _crOldPos cr
momentum' = 0.97 *.* (_crPos cr -.- _crOldPos cr)
momentum'' | magV momentum' > 3 = 3 *.* normalizeV momentum'
| otherwise = momentum'
momentum = momentum'' +.+ 0.01 *.* unitVectorAtAngle randAng
(randDir,g) = randomR (-0.5,0.5) $ _randGen w
(randAng,_) = randomR (0,2*pi) $ _randGen w
useUpdate :: ItemUse -> ItemUse
useUpdate = (useHammer . hammerPosition %~ moveHammerUp)
. (useDelay . warmTime %~ decreaseToZero)
. (useDelay . rateTime %~ decreaseToZero)
useEquipment :: Creature -> Int -> World -> World
useEquipment cr i = _eqUse (_eqEq $ _itUse itm) itm cr
where
itm = _crInv cr IM.! i
-- a map updating all inventory items
upInv :: Creature -> World -> World
upInv cr = creatures . ix (_crID cr) . crInv %~ IM.mapWithKey (itemUpdate cr)
-- a loop going over equipped items
equipmentEffects :: Creature -> World -> World
equipmentEffects cr = flip (foldr $ useEquipment cr) (IM.keys $ _crInvEquipped cr)
-- a loop going over all inventory items
invSideEff :: Creature -> World -> World
invSideEff cr w = weaponReloadSounds cr $ IM.foldrWithKey f w (_crInv cr)
where
f i it w' = doItemTargeting i cr w' & maybe id (\g -> g it cr) (it ^? itEffect . ieInv)
itemUpdate :: Creature -> Int -> Item -> Item
itemUpdate cr i
| i == _crInvSel cr = baseupdate True
| otherwise = baseupdate False
where
baseupdate bool = (itUse %~ useUpdate) . (itInvPos ?~ i) . (itIsHeld .~ bool)
doItemTargeting :: Int -> Creature -> World -> World
doItemTargeting invid cr w = case cr ^? crInv . ix invid . itTargeting of
Nothing -> w
Just NoTargeting -> w
Just t -> let (w',t') = _tgUpdate t (_crInv cr IM.! invid) cr w t
in w' & creatures . ix (_crID cr) . crInv . ix invid . itTargeting .~ t'
weaponReloadSounds :: Creature -> World -> World
weaponReloadSounds cr w = case cr ^? crInv . ix (_crInvSel cr) . itConsumption of
Just am@LoadableAmmo{} -> case am ^? laLoadType . loadProgress of
Just NoTransfer -> w -- stopSoundFrom (CrReloadSound cid) w
Just _ -> soundContinue (CrReloadSound cid) (_crPos cr) reloadS (Just 1) w
Nothing -> w
-- PassiveReload stype | Just (_laReloadTime am) == am ^? laTransfer . transferTime
-- -> soundContinue (CrReloadSound 0) (_crPos cr) stype Nothing w
-- PassiveReload _ -> w
-- ActiveClear | am ^? laTransfer . transferTime == Just 0 -> stopSoundFrom (CrReloadSound cid) w
-- ActiveClear | _laTransfer am == NoTransfer -> w
-- ActiveClear -> soundContinue (CrReloadSound cid) (_crPos cr) reloadS (Just 1) w
-- ActivePartial{} | am ^? laTransfer . transferTime == Just 0 -> stopSoundFrom (CrReloadSound cid) w
-- ActivePartial{} | _laTransfer am == NoTransfer -> w
-- ActivePartial{} -> soundContinue (CrReloadSound cid) (_crPos cr) reloadS (Just 1) w
Just ChargeableAmmo {} -> w
Just NoConsumption {} -> w
Just ItemItselfConsumable {} -> w
Nothing -> w
where
cid = _crID cr
updateMovement :: Creature -> Creature
updateMovement cr
| isFrictionless cr = over crPos (+.+ momentum) cr
| otherwise = updateWalkCycle cr
where
momentum' = 0.98 *.* (_crPos cr -.- _crOldPos cr)
momentum'' | magV momentum' > 1 = 1 *.* normalizeV momentum'
| otherwise = momentum'
momentum = momentum''
isFrictionless :: Creature -> Bool
isFrictionless cr = case cr ^? crStance . carriage of
Just (Boosting _) -> True
Just Floating -> True
_ -> False