58 lines
1.3 KiB
Haskell
58 lines
1.3 KiB
Haskell
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module NPC where
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import Affection as A
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import qualified Data.Matrix as M
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import Data.Ecstasy as E
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import Linear
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import System.Random
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import NanoVG hiding (V2(..))
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-- internal imports
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import Types.UserData
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drawNPCs
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:: Context
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-> [V2 Double]
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-> Double
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-> Double
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-> Int
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-> Int
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-> Affection UserData ()
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drawNPCs ctx npcposs prow pcol row col = do
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ud <- getAffection
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let fnpcposs = filter
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(\(V2 nr nc) -> floor nr == row && floor nc == col)
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npcposs
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liftIO $ mapM_
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(\(V2 nr nc) -> do
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let x = realToFrac $ 640 + ((nc - pcol) + (nr - prow)) * 32
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y = realToFrac $ 360 + ((nr - prow) - (nc - pcol)) * 16
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beginPath ctx
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circle ctx x y 5
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closePath ctx
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fillColor ctx (rgba 255 0 0 255)
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fill ctx
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)
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fnpcposs
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placeNPCs :: M.Matrix (Maybe ImgId) -> Int -> Affection UserData [V2 Double]
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placeNPCs imgmat count =
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doPlace 1 []
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where
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doPlace :: Int -> [V2 Double] -> Affection UserData [V2 Double]
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doPlace nr acc = do
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if nr <= count
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then do
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r <- liftIO $ randomRIO (1, M.nrows imgmat)
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c <- liftIO $ randomRIO (1, M.ncols imgmat)
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if null (imgObstacle $ imgmat M.! (r, c))
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then doPlace (nr + 1) ((V2 (fromIntegral r) (fromIntegral c)) : acc)
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else doPlace nr acc
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else
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return acc
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