module Main where

import GridProto.Classic
import GridProto.Core

main :: IO ()
main = runClassic classic

classic :: Classic (Int, Int)
classic = Classic
  { title = "Arrows Example"
  , rows = sides
  , cols = sides
  , tilePixelSize = 64
  , backgroundColor = Black2
  , setupFn = return (0,0)
  , updateFn = update
  , cleanupFn = const (return ())
  , tileMapFn = tileMap
  , sfxFn = const []
  , quitFn = const False
  }

sides :: Int
sides = 8

update :: Input -> (Int, Int) -> IO (Int, Int)
update Input{keys=keys} (x,y) = return (x',y')
  where
    x'
      | lookupKey keys LeftArrow == Pressed = x - 1
      | lookupKey keys RightArrow == Pressed = x + 1
      | otherwise = x
    y'
      | lookupKey keys UpArrow == Pressed = y - 1
      | lookupKey keys DownArrow == Pressed = y + 1
      | otherwise = y

tileMap :: (Int, Int) -> Map (Int, Int) Tile
tileMap xy = fromList [(xy, Tile Nothing Nothing (Just rd0))]