module NPC where import Affection as A import qualified Data.Matrix as M import Data.Map.Strict as Map hiding (filter, null) import Data.Ecstasy as E import Data.Maybe (fromMaybe) import Data.List (find) import Control.Monad.IO.Class (MonadIO(..)) import Control.Concurrent.MVar import Control.Concurrent (forkOS) import Linear import System.Random import NanoVG hiding (V2(..)) -- internal imports import Navigation import Util import Types -- drawNPCs -- :: Map ImgId Image -- -> Context -- -> UserData -- -> [(V2 Double, Direction)] -- -> Double -- -> Double -- -> Int -- -> Int -- -> Maybe ImgId -- -> IO () -- drawNPCs ai ctx ud npcposrots prow pcol row col img = do -- let fnpcposrots = filter -- (\((V2 nr nc, dir)) -> -- let x = realToFrac $ 640 + ((nc - pcol) + (nr - prow)) * 32 -- y = realToFrac $ 360 + ((nr - prow) - (nc - pcol)) * 16 -- in ((realToFrac x > -tileWidth && realToFrac y > -tileHeight) && -- (realToFrac x < 1280 && realToFrac (y - (74 - realToFrac tileHeight)) < 720)) && -- ((all (\m -> prow > (fromIntegral (floor prow :: Int)) + m) minrs && -- all (\m -> pcol < (fromIntegral (floor pcol :: Int)) + m) mincs) || -- (all (\m -> prow > (fromIntegral (floor prow :: Int)) + m) minrs && -- all (\m -> pcol < (fromIntegral (floor pcol :: Int)) + m) maxcs)) && -- (floor nr == row && floor nc == col) -- ) -- npcposrots -- mapM_ -- (\((V2 nr nc, dir)) -> do -- let x = realToFrac $ 640 + ((nc - pcol) + (nr - prow)) * 32 -- y = realToFrac $ 360 + ((nr - prow) - (nc - pcol)) * 16 -- beginPath ctx -- paint <- imagePattern ctx (x - 32) (y - 58) 64 74 0 -- (ai Map.! (dirToImgId dir)) 1 -- rect ctx (x - realToFrac (tileWidth / 2)) (y - 58) -- (realToFrac tileWidth) 74 -- fillPaint ctx paint -- -- circle ctx x y 5 -- -- closePath ctx -- -- fillColor ctx (rgba 255 0 0 255) -- fill ctx -- ) -- fnpcposrots -- where -- tileWidth = 64 :: Double -- tileHeight = 32 :: Double -- mb = imgObstacle img -- minrs = Prelude.map (fst . matmin) mb -- maxrs = Prelude.map (fst . matmax) mb -- mincs = Prelude.map (snd . matmin) mb -- maxcs = Prelude.map (snd . matmax) mb placeNPCs :: M.Matrix (Maybe ImgId) -> M.Matrix TileState -> [ReachPoint] -> [Graph] -> Int -> Affection UserData [V2 Double] placeNPCs imgmat tilemat rp gr count = doPlace 1 [] where doPlace :: Int -> [V2 Double] -> Affection UserData [V2 Double] doPlace nr acc = do if nr <= count then do r <- liftIO $ randomRIO (1, M.nrows imgmat) c <- liftIO $ randomRIO (1, M.ncols imgmat) if null (imgObstacle $ imgmat M.! (r, c)) && tilemat M.! (r, c) == Hall then doPlace (nr + 1) ((V2 (fromIntegral r) (fromIntegral c)) : acc) else do i <- liftIO $ randomRIO (0, length nonexits - 1) doPlace (nr + 1) ((fmap fromIntegral $ pointCoord (nonexits !! i)) : acc) else return acc applRooms row col = (filter (\r -> graphIsRoom r && inBounds (V2 row col) (bounds r)) gr) nonexits = filter (\p -> pointType p /= RoomExit ) rp updateNPCs :: MonadIO m => M.Matrix (Maybe ImgId) -> [ReachPoint] -> Double -> SystemT Entity m () updateNPCs imgmat rp dt = emap allEnts $ do with npcState with vel with pos with rot with anim npcState' <- query npcState case npcState' of NPCStanding ttl future -> do let nttl = ttl - dt if nttl > 0 then return $ unchanged { npcState = Set $ NPCStanding nttl future , vel = Set $ V2 0 0 } else do mpath <- liftIO $ tryTakeMVar future case mpath of Just path -> return $ unchanged { npcState = Set $ NPCWalking path } Nothing -> return $ unchanged { npcState = Set $ NPCStanding 1 future } NPCWalking path -> do pos' <- query pos if not (null path) then do let itarget = V2 0.5 0.5 + (fromIntegral <$> head path) :: V2 Double if distance pos' itarget < 0.1 then return $ unchanged { npcState = Set $ NPCWalking (tail path) } else return $ unchanged { vel = Set $ (* 2) <$> signorm (itarget - pos') } else do ttl <- liftIO $ randomRIO (5, 30) future <- liftIO $ newEmptyMVar rot' <- query rot state <- query anim let mdir = (pointDir <$> find (\a -> pointCoord a == fmap floor pos') rp) -- _ <- liftIO $ forkOS $ getPath (fmap floor pos') future rp imgmat _ <- liftIO $ getPath (fmap floor pos') future rp imgmat return $ unchanged { npcState = Set $ NPCStanding ttl future , vel = Set $ V2 0 0 , rot = Set $ fromMaybe rot' mdir , anim = Set state { asId = (asId state) { aiDirection = fromMaybe rot' mdir } } } getPath :: V2 Int -> MVar [V2 Int] -> [ReachPoint] -> M.Matrix (Maybe ImgId) -> IO () getPath pos' mvar rp imgmat = do let seekRP = filter (\p -> pointType p /= RoomExit) rp ntargeti <- randomRIO (0, length seekRP - 1) let ntarget = pointCoord (seekRP !! ntargeti) path = astarAppl imgmat ntarget pos' logIO A.Verbose ("seeking path from " ++ show pos' ++ " to " ++ show ntarget) case path of Nothing -> getPath pos' mvar rp imgmat Just p -> putMVar mvar p