{-# LANGUAGE OverloadedStrings #-} module Types.Player where import Affection as A import Linear import qualified Data.Vector as V import Data.String (fromString) -- internal imports import Util import Classes.Prop import Classes.Actor import Classes.Collectable import Graphics.Classes.Drawable import Graphics.Classes.Bindable import Graphics.Types.VertexBuffer import Graphics.Types.Texture import Physics.Classes import Types.Subsystems catMoveVelocity :: Double catMoveVelocity = 100 data Pituicat = Pituicat { pcPos :: V2 Double , pcVel :: V2 Double , pcMoveVel :: V2 Double , pcTMoveVel :: V2 Double , pcAcc :: V2 Double , pcHealth :: Int , pcTexture :: Texture , pcGrounded :: Bool , pcMoveState :: Maybe Action , pcViewDirection :: ViewDirection , pcEffects :: [EffectHolder] } deriving (Eq, Show) data ViewDirection = ViewLeft | ViewRight deriving (Eq, Show) instance Drawable Pituicat where toVertices (Pituicat (V2 x y) _ _ _ _ _ _ _ _ vd _) = ( V.fromList [0, 1, 2, 2, 3, 0] , V.fromList [ newVertex (V3 (realToFrac x - 25) (realToFrac y - 25) 0) (V4 1 1 1 1) (if vd == ViewRight then V2 0 (1 - 50 / 1024) else V2 (50 / 1024) (1 - 50 / 1024) ) 1 , newVertex (V3 (realToFrac x + 25) (realToFrac y - 25) 0) (V4 1 1 1 1) (if vd == ViewRight then V2 (50 / 1024) (1 - 50 / 1024) else V2 0 (1 - 50 / 1024) ) 1 , newVertex (V3 (realToFrac x + 25) (realToFrac y + 25) 0) (V4 1 1 1 1) (if vd == ViewRight then V2 (50 / 1024) 1 else V2 0 1 ) 1 , newVertex (V3 (realToFrac x - 25) (realToFrac y + 25) 0) (V4 1 1 1 1) (if vd == ViewRight then V2 0 1 else V2 (50 / 1024) 1 ) 1 ] ) instance Prop Pituicat where residentLayer _ = 0 bindPropTexture = bind . pcTexture instance Actor Pituicat where perform dt p = let (V2 _ dy) = velocity physCat moveFact = if null (filter ((SpeedUp ==) . effectReleased) (pcEffects p)) then 1 else 2 physCat = (accelerate dt . gravitate constG) (p { pcAcc = V2 0 0 , pcTMoveVel = case pcMoveState p of Just MoveRight -> V2 (catMoveVelocity * moveFact) 0 Just MoveLeft -> V2 ((-catMoveVelocity) * moveFact) 0 _ -> V2 0 0 } ) finalCat = physCat { pcMoveVel = lerp (min 0.95 (60 * dt)) (pcMoveVel physCat) (pcTMoveVel physCat) , pcGrounded = if pcGrounded physCat then not (abs dy * dt > 2) else False , pcEffects = foldl (\acc eff -> let nduration = effectDuration eff - dt in if nduration > 0 then eff { effectDuration = nduration} : acc else acc ) [] (pcEffects p) } in A.log A.Debug ("*meow* am at: " <> (fromString $ show $ pcPos finalCat)) (finalCat { pcViewDirection = if pcGrounded finalCat then case pcMoveState finalCat of Just MoveRight -> ViewRight Just MoveLeft -> ViewLeft _ -> pcViewDirection finalCat else pcViewDirection finalCat } ) instance Mass Pituicat where mass _ = 1 acceleration = pcAcc accelerationUpdater cat = (\accel -> cat { pcAcc = accel } ) velocity cat = let mvel@(V2 mx my) = pcMoveVel cat nvel@(V2 x y) = pcVel cat + mvel in if abs x > abs mx then V2 (signum x * abs mx) y else nvel velocityUpdater cat = (\vel@(V2 vx vy) -> let (V2 mx my) = pcMoveVel cat nvel = V2 (if abs mx > abs vx then 0 else (signum vx) * (abs vx - abs mx) ) (if abs my > abs vy then 0 else (signum vy) * (abs vy - abs my) ) in cat { pcVel = vel } ) position = pcPos positionUpdater cat = (\pos -> cat { pcPos = pos } ) instance Collidible Pituicat where boundary cat = if pcViewDirection cat == ViewRight then ( V2 (-18) (-25) , V2 25 15 ) else ( V2 (-25) (-25) , V2 18 15 ) collide cat _ NoCollision = cat collide cat other collr@(Collision ddt (V2 dirx diry)) = let ncat = (elasticCollision 0.3 cat other collr) vel@(V2 vx vy) = velocity ncat moveVel@(V2 mx my) = pcMoveVel cat nvel = V2 (if abs mx > abs vx then 0 else (signum vx) * (abs vx - abs mx) ) ((\(V2 _ y) -> y) (if diry /= 0 then pcVel ncat else pcVel cat)) grounded = diry == -1 && abs (vy * ddt) < 2 in ncat { pcGrounded = grounded , pcMoveVel = pcMoveVel ncat * if dirx /= 0 then V2 0 1 else V2 1 1 , pcVel = nvel * if dirx /= 0 then V2 0 1 else V2 1 1 }