tracer/src/Test.hs
2018-03-02 02:10:35 +01:00

207 lines
5.9 KiB
Haskell

module Test where
import Affection as A hiding (get)
import SDL (get, ($=))
import qualified SDL
import qualified Graphics.Rendering.OpenGL as GL hiding (get)
import Control.Monad (when, unless, void)
import Control.Monad.IO.Class (liftIO)
import Data.Map.Strict as Map
import qualified Data.Set as S
import qualified Data.Text as T
import Data.Matrix as M (toLists, (!), Matrix, safeGet)
import Data.Ecstasy as E
import Data.Maybe (fromJust)
import NanoVG hiding (V2(..))
import Types
import Floorplan
import Linear
import Foreign.C.Types (CFloat(..))
import Debug.Trace
-- internal imports
import Util
loadMap :: Affection UserData ()
loadMap = do
ud <- getAffection
let fc = FloorConfig (20, 20) [(5,5), (35, 35)] (40,40)
(Subsystems _ m) = subsystems ud
matrix <- liftIO $ buildHallFloorIO fc
(nws, _) <- yieldSystemT (worldState ud) $ do
void $ newEntity $ defEntity
{ pos = Just (V2 20.5 20.5)
, vel = Just (V2 0 0)
, player = Just True
}
uu <- partSubscribe m movePlayer
putAffection ud
{ worldState = nws
, stateData = MenuData
{ mapMat = matrix
, imgMat = convertTileToImg matrix
, initCoords = (0, 500)
}
, uuid = [uu]
}
relativizeMouseCoords :: V2 Int32 -> IO (V2 Double)
relativizeMouseCoords (V2 ix iy) = do
(GL.Position vx vy, GL.Size vw vh) <- SDL.get GL.viewport
let rx = ix - vx
ry = iy - vy
hx = fromIntegral vw / 2
hy = fromIntegral vh / 2
dx = fromIntegral rx - hx
dy = fromIntegral ry - hy
return $ V2 (dx / hx) (dy / hy)
mouseToPlayer :: V2 Int32 -> Affection UserData ()
mouseToPlayer mv2 = do
ud <- getAffection
rela@(V2 rx ry) <- liftIO $ relativizeMouseCoords mv2
let dr = (ry / sin (atan (1/2)) / 2) + rx
dc = rx - (ry / sin (atan (1/2)) / 2)
(nws, _) <- yieldSystemT (worldState ud) $ do
emap $ do
with player
pos' <- E.get pos
pure $ defEntity'
{ vel = Set $ V2 dr dc
}
putAffection ud
{ worldState = nws
}
movePlayer :: MouseMessage -> Affection UserData ()
movePlayer (MsgMouseMotion _ _ _ [SDL.ButtonLeft] m _) = mouseToPlayer m
movePlayer (MsgMouseButton _ _ SDL.Pressed _ SDL.ButtonLeft _ m) =
mouseToPlayer m
movePlayer (MsgMouseButton _ _ SDL.Released _ SDL.ButtonLeft _ m) = do
ud <- getAffection
(nws, _) <- yieldSystemT (worldState ud) $ do
emap $ do
with player
pure $ defEntity'
{ vel = Set $ V2 0 0
}
putAffection ud
{ worldState = nws
}
movePlayer _ = return ()
drawMap :: Affection UserData ()
drawMap = do
ud <- getAffection
dt <- getDelta
let matrix = imgMat (stateData ud)
mapM_ (\(i, ls) -> mapM_ (uncurry $ drawTile i) (reverse $ zip [1..] ls))
(zip [1..] (toLists matrix))
liftIO $ do
let ctx = nano ud
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)))
updateMap :: Double -> Affection UserData ()
updateMap dt = do
ud <- getAffection
let matrix = mapMat $ stateData ud
(nws, _) <- yieldSystemT (worldState ud) $ do
emap $ do
with vel
with pos
pos'@(V2 or oc) <- E.get pos
vel' <- E.get vel
let npos@(V2 nr nc) = pos' + fmap (* (4 * dt)) vel'
let ent
| Wall /= matrix M.! (floor nr, floor nc) =
defEntity'
{ pos = Set npos
}
| Wall /= matrix M.! (floor nr, floor oc) =
defEntity'
{ pos = Set (V2 nr oc)
}
| Wall /= matrix M.! (floor or, floor nc) =
defEntity'
{ pos = Set (V2 or nc)
}
| otherwise =
defEntity'
return ent
putAffection ud
{ worldState = nws
}
drawTile :: Int -> Int -> Maybe ImgId -> Affection UserData ()
drawTile row col img = do
ud <- getAffection
(_, playerPos) <- yieldSystemT (worldState ud) $ do
efor $ \_ -> do
with player
pos' <- E.get pos
pure pos'
let V2 pr pc = head playerPos
ctx = nano ud
tile = (mapMat $ stateData ud) M.! (row, col)
(xinit, yinit) = initCoords $ stateData ud
tileWidth = 64 :: Double
tileHeight = 32 :: Double
liftIO $ do
save ctx
beginPath ctx
let x = realToFrac $ 640 + ((fromIntegral col - pc) +
(fromIntegral row - pr)) * (tileWidth / 2)
y = realToFrac $ 360 - (tileHeight / 2) + ((fromIntegral row - pr) -
(fromIntegral col - pc)) * (tileHeight / 2)
fillColor ctx (case tile of
Wall -> rgba 128 128 128 255
Door -> rgba 255 128 128 255
Hall -> rgba 255 255 255 255
Offi -> rgba 0 255 0 255
Toil -> rgba 0 0 255 255
Kitc -> rgba 255 0 0 255
Elev -> rgba 0 0 0 255
_ -> rgba 255 255 0 255
)
moveTo ctx x (y + realToFrac tileHeight / 2)
lineTo ctx (x + realToFrac tileWidth / 2) (y + realToFrac tileHeight)
lineTo ctx (x + realToFrac tileWidth) (y + realToFrac tileHeight / 2)
lineTo ctx (x + realToFrac tileWidth / 2) y
closePath ctx
fill ctx
unless (img == Nothing) $ do
let dist = distance (V2 (fromIntegral row) (fromIntegral col))
(V2 (realToFrac pr - 0.5) (realToFrac pc + 0.5)) / 4
fact = if floor pr <= row && floor pc >= col
then min 1 dist
else 1
paint <- imagePattern
ctx x (y - (74 * fact - realToFrac tileHeight)) 64 74 0
(assetImages ud Map.! fromJust img)
fact
beginPath ctx
rect ctx x (y - (74 * fact - realToFrac tileHeight)) 64 74
fillPaint ctx paint
fill ctx
when (floor pr == row && floor pc == col) $ do
beginPath ctx
circle ctx 640 360 5
closePath ctx
fillColor ctx (rgba 0 255 255 255)
fill ctx
restore ctx