Files
loop/src/Dodge/Item/Orientation.hs
T
2025-10-08 00:29:00 +01:00

85 lines
2.7 KiB
Haskell

module Dodge.Item.Orientation (
orientAttachment,
propagateOrientation,
) where
import Dodge.Data.AmmoType
import Shape.Data
import Control.Lens
import Linear
import Dodge.Item.Draw.SPic
import Dodge.Data.ComposedItem
import Dodge.Data.DoubleTree
import Dodge.Data.Item
import Dodge.DoubleTree
import Geometry.Data
import qualified Quaternion as Q
orientChild :: Item -> Point3Q
orientChild itm = case _itType itm of
--HELD LED -> (V3 0 5 0, Q.qID)
HELD LED -> (V3 (-x) 0 0, Q.qID)
AMMOMAG BATTERY -> (V3 0 0 1, Q.qID)
AMMOMAG {} -> (V3 0 (2-itemShapeMax _y itm) 0, Q.qID)
--HELD LASER -> (V3 15 (-5) 0, Q.qID)
LASER -> (V3 15 (-5) 0, Q.qID)
ATTACH UNDERBARRELSLOT -> (V3 10 (-8) 0, r)
_ -> (0, Q.qID)
where
--r = Q.axisAngle (V3 0 0 1) (-pi/4)
r = Q.qID
-- y = itemShapeMin _y itm
x = itemShapeMaxX itm
orientByParentChSF :: Item -> ItemSF -> Point3Q
orientByParentChSF itm lt = case (_itType itm, lt) of
(HELD FLAMETHROWER, AmmoMagSF{}) -> (V3 4 (-6) 0, Q.qID)
(HELD _, AmmoMagSF{_amsfType = ElectricalAmmo}) -> (V3 0 0 z, Q.qID)
(HELD _, AmmoMagSF{}) -> (V3 7 (itemShapeMin _y itm) 0, Q.qID)
(HELD _, WeaponScopeSF) -> (V3 5 0 5, Q.qID)
(HELD _, TorchSF) -> (V3 x y 0, Q.qID)
_ -> (0, Q.qID)
where
x = itemShapeMaxX itm
y = itemShapeMaxY itm
z = itemShapeMaxZ itm
itemShapeMaxX :: Item -> Float
itemShapeMaxX = itemShapeMax _1
itemShapeMaxY :: Item -> Float
itemShapeMaxY = itemShapeMax _2
itemShapeMaxZ :: Item -> Float
itemShapeMaxZ = itemShapeMax _3
itemShapeMax
:: ((Float -> Const Float Float) -> Point3 -> Const Float Point3) -> Item -> Float
itemShapeMax g = f . (^. _1) . itemSPic
where
f = maximum . fmap (\sf -> maximum $ fmap (^. g) (sf ^. sfVs))
itemShapeMin
:: ((Float -> Const Float Float) -> Point3 -> Const Float Point3) -> Item -> Float
itemShapeMin g = f . (^. _1) . itemSPic
where
f = minimum . fmap (\sf -> minimum $ fmap (^. g) (sf ^. sfVs))
orientAttachment :: Item -> CItem -> Point3Q
orientAttachment par (ch,chsf) = case (_itType par, chsf) of
(ATTACH UNDERBARRELSLOT, _) -> (V3 (-5) (-8) 0, Q.qID)
(_,LaserWeaponSF) -> (V3 2 8 0, Q.qID)
-- (_,TorchSF) -> (V3 2 8 0, Q.qID)
-- (HELD BURSTRIFLE, _, HELD TORCH) -> (V3 20 0 0, Q.axisAngle (V3 0 0 1) (pi/2))
-- (HELD LAUNCHER, _, HELD TORCH) -> (V3 0 20 0, Q.axisAngle (V3 0 0 1) (pi/4))
_ -> (t1 + Q.rotate q1 t2, q1 * q2)
where
(t1, q1) = orientByParentChSF par chsf
(t2, q2) = orientChild ch
propagateOrientation :: DTree CItem -> DTree OItem
propagateOrientation = dtStartPropagate g f
where
g (x,y) = (x,y,(V3 0 0 0,Q.qID))
f (x,_,pq) (y,y1) = (y,y1,Q.comp pq $ orientAttachment x (y,y1))