tracer/src/MainGame/WorldMap.hs

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{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE TypeFamilies #-}
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module MainGame.WorldMap where
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import Affection as A
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import Algebra.Graph as AG
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import qualified SDL
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import NanoVG hiding (V2(..))
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import Control.Monad (when, void)
import Control.Monad.IO.Class (liftIO)
import Control.Concurrent.MVar
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import Control.Concurrent (forkIO)
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import Data.Map.Strict as Map
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import qualified Data.Set as S
import qualified Data.Text as T
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import Data.Matrix as M
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import Data.Ecstasy as E
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import Data.Maybe
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import Data.List as L (sortOn, partition, find)
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import System.Random (randomRIO)
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import Linear hiding (E)
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import Foreign.C.Types (CFloat(..))
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-- internal imports
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import Interior
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import Util
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import Types
import Floorplan
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import MindMap
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import NPC
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loadMap :: Affection UserData ()
loadMap = do
ud <- getAffection
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let (Subsystems _ m k) = subsystems ud
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uu1 <- partSubscribe m movePlayer
uu2 <- partSubscribe k changeMaps
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future <- liftIO newEmptyMVar
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progress <- liftIO $ newMVar (0, "Ohai!")
_ <- liftIO $ forkIO $ loadMapFork ud future progress
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putAffection ud
{ stateData = None
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, uuid = [uu1, uu2]
, stateMVar = future
, stateProgress = progress
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}
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changeMaps :: KeyboardMessage -> Affection UserData ()
changeMaps (MsgKeyboardEvent _ _ SDL.Pressed False sym)
| SDL.keysymKeycode sym == SDL.KeycodeF1 = do
ud <- getAffection
putAffection ud
{ state = Main WorldMap
}
| SDL.keysymKeycode sym == SDL.KeycodeF2 = do
ud <- getAffection
putAffection ud
{ state = Main MindMap
}
| otherwise = return ()
changeMaps _ = return ()
loadMapFork
:: UserData
-> MVar (SystemState Entity IO, StateData)
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-> MVar (Float, T.Text)
-> IO ()
loadMapFork ud future progress = do
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let loadSteps = 18
fc = FloorConfig
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(10, 10)
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[(5, 5), (5, 45)]
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(50, 50)
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_ <- liftIO $ swapMVar progress (1 / loadSteps, "Building floor")
(mat, gr) <- buildHallFloorIO fc progress (1 / loadSteps)
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_ <- liftIO $ swapMVar progress (11 / loadSteps, "Converting to images")
let imgmat = convertTileToImg mat
exits = Prelude.foldl
(\acc coord@(r, c) -> if imgmat M.! coord == Just ImgEmpty
then ReachPoint RoomExit (V2 r c) NE : acc
else acc
)
[]
((,) <$> [1 .. nrows mat] <*> [1 .. ncols mat])
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_ <- liftIO $ swapMVar progress (12 / loadSteps, "Placing furniture")
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(inter, rps) <- placeInteriorIO mat imgmat exits gr
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_ <- liftIO $ swapMVar progress (13 / loadSteps, "Placing NPCs")
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logIO A.Debug ("number of reachpoints: " ++ show (length rps))
let nnex = Prelude.filter (\p -> pointType p /= RoomExit) rps
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npcposs <- placeNPCs inter mat rps 100 -- (length nnex)
_ <- liftIO $ swapMVar progress (14 / loadSteps, "Unfolding MindMap graph")
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A.logIO A.Debug $ "number of placed NPCs: " ++ show (length npcposs)
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(mmintmat, mmgraph) <- buildFloorMap . springField <$>
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buildMindMap (length npcposs) 2
_ <- liftIO $ swapMVar progress (15 / loadSteps, "Converting MindMap to images")
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let mmimgmat = convertTileToImg $ manhattan mmgraph mmintmat
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_ <- liftIO $ swapMVar progress (16 / loadSteps, "Creating WorldState")
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(nws, _) <- yieldSystemT (worldState ud) $ do
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let pmmpos = (+ 0.5) . (fromIntegral :: Int -> Double) . floor <$> mmPos
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(fromJust $ find (\a -> mmId a == 0) (vertexList mmgraph))
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delta = (0, 0) :
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Prelude.filter (/= (0,0)) ((,) <$> [-1 .. 1] <*> [-1 .. 1]) :: [(Int, Int)]
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mmmpos = Prelude.foldl (\acc (dr, dc) ->
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let (V2 pmr pmc) = floor <$> pmmpos
seekpos = (pmr + fromIntegral dr, pmc + fromIntegral dc)
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in if isNothing (mmimgmat M.! seekpos) && mmintmat M.! seekpos == 0
&& isNothing acc
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then Just (pmmpos + (fromIntegral <$> V2 dr dc))
else acc
) Nothing delta
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void $ createEntity $ newEntity
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{ pos = Just (V2 10.5 10.5)
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, mmpos = mmmpos
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, vel = Just (V2 0 0)
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, mmvel = Just (V2 0 0)
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, player = Just ()
, rot = Just SE
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, anim = Just $ AnimState (AnimId 0 "standing" SE) 0 0
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}
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void $ liftIO $ swapMVar progress (17 / loadSteps, "Registering NPCs into WorldState")
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mapM_ (\npcpos@(V2 nr nc) -> do
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fact <- liftIO $ randomRIO (0.5, 1.5)
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fut <- liftIO newEmptyMVar
_ <- liftIO $ forkIO $ getPath (fmap floor npcpos) fut nnex inter
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void $ createEntity $ newEntity
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{ pos = Just (V2 (nr + 0.5) (nc + 0.5))
, vel = Just (V2 0 0)
, velFact = Just fact
, rot = Just SE
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, npcMoveState = Just (NPCStanding 0 fut)
, anim = Just $ AnimState (AnimId 1 "standing" SE) 0 0
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}
) npcposs
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void $ liftIO $ swapMVar progress (18 / loadSteps, "Handing over")
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putMVar future (nws, MainData
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{ mapMat = mat
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, imgMat = M.fromList (nrows inter) (ncols inter) $
Prelude.map
(\a -> if a == Just ImgEmpty then Nothing else a)
(M.toList inter)
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, reachPoints = rps
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, mmImgMat = mmimgmat
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})
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mouseToPlayer :: V2 Int32 -> Affection UserData ()
mouseToPlayer mv2 = do
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ud <- getAffection
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(V2 rx ry) <- liftIO $ relativizeMouseCoords mv2
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let dr = (ry / sin (atan (1/2)) / 2) + rx
dc = rx - (ry / sin (atan (1/2)) / 2)
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(nws, _) <- liftIO $ yieldSystemT (worldState ud) $
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emap allEnts $ do
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with player
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pure $ unchanged
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{ vel = Set $ 4 * V2 dr dc
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}
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putAffection ud
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{ worldState = nws
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}
movePlayer :: MouseMessage -> Affection UserData ()
movePlayer (MsgMouseMotion _ _ _ [SDL.ButtonLeft] m _) = mouseToPlayer m
movePlayer (MsgMouseButton _ _ SDL.Pressed _ SDL.ButtonLeft _ m) =
mouseToPlayer m
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movePlayer (MsgMouseButton _ _ SDL.Released _ SDL.ButtonLeft _ _) = do
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ud <- getAffection
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(nws, _) <- liftIO $ yieldSystemT (worldState ud) $
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emap allEnts $ do
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with player
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pure $ unchanged
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{ vel = Set $ V2 0 0
}
putAffection ud
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{ worldState = nws
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}
movePlayer _ = return ()
drawMap :: Affection UserData ()
drawMap = do
ud <- getAffection
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let ctx = nano ud
case stateData ud of
None -> liftIO $ do
progress <- readMVar (stateProgress ud)
drawLoadScreen ud progress
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_ -> do
dt <- getDelta
(_, (playerPos, posanims)) <- liftIO $ yieldSystemT (worldState ud) $ do
pc <- fmap head $ efor allEnts $ do
with player
with pos
query pos
posanims <- efor allEnts $ do
with anim
with pos
stat <- query anim
pos' <- query pos
return (pos', stat)
return (pc, posanims)
let V2 pr pc = playerPos
mat = imgMat (stateData ud)
cols = fromIntegral (ncols mat)
rows = fromIntegral (nrows mat)
tileWidth = 64 :: Double
tileHeight = 32 :: Double
x = realToFrac $ 640 + ((1 - pc) + (1 - pr)) * (tileWidth / 2)
y = realToFrac $ 360 + ((1 - pr) - (1 - pc)) * (tileHeight / 2)
partposanims = M.fromList
(nrows $ mapMat $ stateData ud)
(ncols $ mapMat $ stateData ud)
((reverse . fst)
(Prelude.foldl
(\(done, proc) coord ->
let (ndone, nproc) = processList proc coord
in (ndone : done, nproc)
)
([], posanims)
((,)
<$> [1 .. (nrows $ mapMat $ stateData ud)]
<*> [1 .. (ncols $ mapMat $ stateData ud)]
)
)
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)
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processList
:: [(V2 Double, AnimState)]
-> (Int, Int)
-> ([(V2 Double, AnimState)], [(V2 Double, AnimState)])
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processList list (r, c) =
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let delimiter (V2 nr nc, _) =
floor nr == r && floor nc == c
in L.partition delimiter list
liftIO $ do -- draw floor
beginPath ctx
moveTo ctx (x + realToFrac tileWidth / 2) y
lineTo ctx
(x + cols * (realToFrac tileWidth / 2))
(y - (realToFrac tileHeight / 2) * (cols - 1))
lineTo ctx
(x + (realToFrac tileWidth / 2) * (cols + rows - 1))
(y + (rows - cols) * (realToFrac tileHeight / 2))
lineTo ctx
(x + (realToFrac tileWidth / 2) * rows)
(y + (realToFrac tileHeight / 2) * (rows - 1))
closePath ctx
fillColor ctx (rgb 255 255 255)
fill ctx
mapM_ (\(i, ls) -> mapM_
(\(j, t) -> drawTile ud ctx (partposanims M.! (i, j)) pr pc i j t)
(reverse $ zip [1..] ls))
(zip [1..] (toLists mat))
fontSize ctx 20
fontFace ctx (assetFonts ud Map.! FontBedstead)
textAlign ctx (S.fromList [AlignCenter,AlignTop])
fillColor ctx (rgb 255 128 0)
textBox ctx 0 0 200 ("FPS: " `T.append` T.pack (Prelude.take 5 $ show (1/dt)))
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drawTile
:: UserData
-> Context
-> [(V2 Double, AnimState)]
-> Double
-> Double
-> Int
-> Int
-> Maybe ImgId
-> IO ()
drawTile ud ctx posanims pr pc row col img =
when ((realToFrac x > -tileWidth && realToFrac y > -tileHeight) &&
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((realToFrac x :: Double) < 1280 &&
(realToFrac (y - (74 - (realToFrac tileHeight :: CFloat))) :: Double) < 720)) $
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do
let (bef, beh) = L.partition delimiter sorted
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save ctx
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mapM_ drawAnim beh
maybe (return ()) (draw ud x (y - 42) 64 74 fact)
((assetImages ud Map.!) <$> img)
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mapM_ drawAnim bef
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restore ctx
where
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delimiter (V2 nr nc, _) =
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all delimit mb
where
delimit b
| nnr > fst (matmin b) && nnr < fst (matmax b) =
nnc < snd (matmin b)
| nnc > snd (matmin b) && nnc < snd (matmax b) =
nnr > fst (matmax b)
| otherwise =
True
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nnr = nr - fromIntegral ((floor nr) :: Int) :: Double
nnc = nc - fromIntegral ((floor nc) :: Int) :: Double
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-- any (\m -> nr < fromIntegral (floor nr :: Int) + m) maxrs &&
-- any (\m -> nc > fromIntegral (floor nc :: Int) + m) mincs
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tileWidth = 64 :: Double
tileHeight = 32 :: Double
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sorted = sortOn (\(V2 sr sc, _) -> sc + sr * fromIntegral col) posanims
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minrs = Prelude.map (fst . matmin) mb
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maxrs = Prelude.map (fst . matmax) mb
mincs = Prelude.map (snd . matmin) mb
maxcs = Prelude.map (snd . matmax) mb
x = realToFrac $ 640 + ((fromIntegral col - pc) +
(fromIntegral row - pr)) * (tileWidth / 2) :: CFloat
y = realToFrac $ 360 - (tileHeight / 2) + ((fromIntegral row - pr) -
(fromIntegral col - pc)) * (tileHeight / 2) :: CFloat
dist = distance (V2 (fromIntegral row) (fromIntegral col))
(V2 (realToFrac pr - 1) (realToFrac pc)) / 4
fact =
if (pr <= fromIntegral row + minimum maxrs &&
pc >= fromIntegral col + maximum mincs) &&
isWall (fromJust img)
then min 1 dist
else 1
mb = maybe [] collisionObstacle img
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drawAnim (V2 nr nc, as) = do
let ax = realToFrac $ 640 + ((nc - pc) + (nr - pr)) * 32 - 32
ay = realToFrac $ 360 + ((nr - pr) - (nc - pc)) * 16 - 58
draw ud ax ay 64 74 1 as
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updateMap :: Double -> Affection UserData ()
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updateMap dt = do
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ud <- getAffection
isFut <- liftIO $ isEmptyMVar (stateMVar ud)
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if not isFut && stateData ud == None
then do
liftIO $ logIO A.Debug "Loaded game data"
Just (nws, mendat) <- liftIO $ tryTakeMVar (stateMVar ud)
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putAffection ud
{ worldState = nws
, stateData = mendat
}
else do
(nws, _) <- liftIO $ yieldSystemT (worldState ud) $ do
emap allEnts $ do
with anim
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with pos
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stat <- query anim
let an = assetAnimations ud Map.! asId stat
ntime = asElapsedTime stat + dt
nstate = if ntime > fromIntegral (asCurrentFrame stat) *
(animDuration an / fromIntegral (length $ animSprites an))
then
let nframe = asCurrentFrame stat + 1
in case animPlay an of
APLoop ->
let (nnframe, nntime) =
if nframe >= length (animSprites an)
then (0, 0)
else (nframe, ntime)
in stat
{ asCurrentFrame = nnframe
, asElapsedTime = nntime
}
APOnce ->
let nnframe = if nframe >= length (animSprites an)
then nframe - 1
else nframe
in stat
{ asCurrentFrame = nnframe
, asElapsedTime = ntime
}
else
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stat
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{ asElapsedTime = ntime
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}
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return $ unchanged
{ anim = Set nstate
}
emap allEnts $ do
without player
with vel
with velFact
with pos
with rot
with anim
pos' <- query pos
vel' <- query vel
rot' <- query rot
fact' <- query velFact
stat <- query anim
let npos = pos' + fmap (* (dt * fact')) vel'
aId = asId stat
nstat = case aiName aId of
"walking"
| sqrt (vel' `dot` vel') > 0 ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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}
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}
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| otherwise ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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, aiName = "standing"
}
, asCurrentFrame = 0
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}
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"standing"
| sqrt (vel' `dot` vel') > 0 ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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, aiName = "walking"
}
, asCurrentFrame = 0
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}
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| otherwise ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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}
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}
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x -> error ("unknown animation name" ++ x)
ent = unchanged
{ pos = Set npos
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, rot = Set $ fromMaybe rot' (direction vel')
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, anim = Set nstat
}
return ent
emap allEnts $ do
with player
with vel
with pos
with rot
with anim
pos'@(V2 pr pc) <- query pos
vel' <- query vel
rot' <- query rot
stat <- query anim
let npos = pos' + fmap (* dt) vel'
dpos@(V2 dpr dpc) = npos - pos'
aId = asId stat
nstat = case aiName aId of
"walking"
| sqrt (colldpos `dot` colldpos) > 0 ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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}
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}
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| otherwise ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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, aiName = "standing"
}
, asCurrentFrame = 0
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}
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"standing"
| sqrt (colldpos `dot` colldpos) > 0 ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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, aiName = "walking"
}
, asCurrentFrame = 0
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}
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| otherwise ->
stat
{ asId = aId
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{ aiDirection = fromMaybe rot' (direction vel')
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}
}
x -> error ("unknown animation name" ++ x)
lll = (,)
<$> (
if dpr < 0
then [(floor dpr :: Int) .. 0]
else [0 .. (ceiling dpr :: Int)])
<*> (
if dpc < 0
then [(floor dpc :: Int) .. 0]
else [0 .. (ceiling dpc :: Int)])
colldpos = dpos * Prelude.foldl
(\acc a -> let ret = checkBoundsCollision2 pos' npos dt acc a
in A.log A.Verbose (show ret) ret)
(V2 1 1)
(
concatMap
(\(dr, dc) ->
let bs = maybe [] collisionObstacle (fromMaybe Nothing $ M.safeGet
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(fromIntegral $ floor pr + dr)
(fromIntegral $ floor pc + dc)
(imgMat (stateData ud)))
in Prelude.map (\(Boundaries (minr, minc) (maxr, maxc))->
Boundaries
(minr + fromIntegral dr, minc + fromIntegral dc)
(maxr + fromIntegral dr, maxc + fromIntegral dc)
) bs
)
lll -- (A.log A.Verbose (show lll ++ " " ++ show len) lll)
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)
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ent = unchanged
{ pos = Set $ pos' + colldpos
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, rot = Set (fromMaybe rot' $ direction vel')
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, anim = Set nstat
}
return ent
updateNPCs
(imgMat $ stateData ud)
(Prelude.filter
(\p -> pointType p /= RoomExit)
(reachPoints $ stateData ud)
)
dt
putAffection ud
{ worldState = nws
}
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checkBoundsCollision2
:: V2 Double
-> V2 Double
-> Double
-> V2 Double
-> Boundaries Double
-> V2 Double
checkBoundsCollision2
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pre@(V2 pr pc) nex dt acc (Boundaries (minr, minc) (maxr, maxc))
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| colltr < dt && colltc < dt = V2 0 0
| colltr < dt && incol = V2 0 1 * acc
| colltc < dt && inrow = V2 1 0 * acc
| otherwise = acc
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where
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V2 vr vc = fmap (/ dt) (nex - pre)
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colltr
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| vr > 0 && prr <= maxr =
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((fromIntegral (floor pr :: Int) + minr - 0.15) - pr) / vr
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| vr < 0 && prr >= minr =
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((fromIntegral (floor pr :: Int) + maxr + 0.15) - pr) / vr
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| otherwise = dt
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colltc
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| vc > 0 && prc <= maxc =
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((fromIntegral (floor pc :: Int) + minc - 0.15) - pc) / vc
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| vc < 0 && prc >= minc =
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((fromIntegral (floor pc :: Int) + maxc + 0.15) - pc) / vc
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| otherwise = dt
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inrow = pr > minr && pr < maxr
incol = pc > minc && pc < maxc
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prr = pr - fromIntegral (floor pr :: Int)
prc = pc - fromIntegral (floor pc :: Int)