code/SokobanCoord.icl

   1 module SokobanCoord
   2
   3 import StdList, StdInt, StdChar, StdMisc, StdClass, StdString, StdFile, StdArray, StdTuple, Data.Maybe, Data.Map, Control.Monad, Data.Tuple, Data.Void
   4
   5 :: SokobanPuzzle :== [[SokobanTile]]
   6 :: SokobanTile = Wall | Free | Box | Target | Agent
   7
   8 puzzle :: SokobanPuzzle
   9 puzzle = [[Wall, Wall, Wall, Wall, Wall,   Wall],
  10           [Wall, Free, Free, Free, Free,   Wall],
  11           [Wall, Agent,Free, Box,  Free,   Wall],
  12           [Wall, Free, Free, Free, Target, Wall],
  13           [Wall, Wall, Wall, Wall, Wall,   Wall]]
  14
  15 size :: (Int, Int)
  16 size = (4,5)
  17
  18 checkX :: Int -> Int
  19 checkX x = if (x > length (hd puzzle)) (-1) x
  20
  21 checkY :: Int -> Int
  22 checkY y = if (y > length puzzle) (-1) y
  23
  24 genCoord :: Int Int -> [String]
  25 genCoord x y = ["  next(x" +++ toString x +++ "_" +++ toString y +++ ") := case\n",
  26                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Wall: Wall;\n",
  27                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Agent & move = Left: Agent;\n",
  28                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Agent & move = Up: Agent;\n",
  29                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & move = Right : Agent;\n",
  30                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & move = Down : Agent;\n",
  31                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Box & x" +++ toString x +++ "_" +++ toString (checkY (y+2)) +++ " = Agent & move = Left: Box;\n",
  32                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Box & x" +++ toString (checkX (x+2)) +++ "_" +++ toString x +++ " = Agent & move = Up: Box;\n",
  33                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Box & x" +++ toString x +++ "_" +++ toString (x-2) +++ " = Agent & move = Right : Box;\n",
  34                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Box & x" +++ toString (x-2) +++ "_" +++ toString y +++ " = Agent & move = Down : Box;\n",
  35                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Target) & move = Right: Free;\n",
  36                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down: Free;\n",
  37                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left : Free;\n",
  38                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (x-1) +++ "_" +++ toString y +++ "= Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up : Free;\n",
  39                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left: Agent;\n",
  40                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up: Agent;\n",
  41                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Target) & move = Right : Agent;\n",
  42                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down : Agent;\n",
  43                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Agent & move = Left: AgentOnTarget;\n",
  44                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Agent & move = Up: AgentOnTarget;\n",
  45                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & move = Right : AgentOnTarget;\n",
  46                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & move = Down : AgentOnTarget;\n",
  47                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Box & x" +++ toString x +++ "_" +++ toString (checkY (y+2)) +++ " = Agent & move = Left: BoxOnTarget;\n",
  48                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Box & x" +++ toString (checkX (x+2)) +++ "_" +++ toString y +++ " = Agent & move = Up: BoxOnTarget;\n",
  49                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Box & x" +++ toString x +++ "_" +++ toString (y-2) +++ " = Agent & move = Right : BoxOnTarget;\n",
  50                 "    x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Box & x" +++ toString (x-2) +++ "_" +++ toString y +++ " = Agent & move = Down : BoxOnTarget;\n",
  51                 "    x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Target) & move = Right: Target;\n",
  52                 "    x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down: Target;\n",
  53                 "    x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left : Target;\n",
  54                 "    x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up : Target;\n",
  55                 "    x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left: AgentOnTarget;\n",
  56                 "    x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up: AgentOnTarget;\n",
  57                 "    x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY (y+1)) +++ " = Target) & move = Right : AgentOnTarget;\n",
  58                 "    x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down : AgentOnTarget;\n",
  59                 "    TRUE : x" +++ toString x +++ "_" +++ toString y +++ ";\n",
  60                 "  esac;\n"
  61                 ]
  62
  63 /*
  64 genAll :: SokobanPuzzle -> [[String]]
  65 genAll p = [\\]
  66 genAll [x:xs] = []
  67 */
  68
  69 contains :: Char String -> Bool
  70 contains char str = not (isEmpty [c\\c<-:str | char == c])
  71
  72 readLines :: File -> [String]
  73 readLines file
  74   | sfend file = []
  75   # (line, file) = sfreadline file
  76   | otherwise = [line: readLines file]
  77
  78 writeLines :: [String] *File -> *File
  79 writeLines [] file = file
  80 writeLines [l:ls] file = writeLines ls (file <<< l)
  81
  82 openInpFile :: *World String -> (File, *World)
  83 openInpFile world path
  84   # (ok, file, world) = sfopen path 0 world
  85   | not ok = abort "Error reading the file."
  86   = (file, world)
  87
  88 openOutFile :: *World String -> (*File, *World)
  89 openOutFile world path
  90   # (ok, file, world) = fopen path 1 world
  91   | not ok = abort "Can not write to a file."
  92   = (file, world)
  93
  94 closeFile :: *World *File -> (Bool, *World)
  95 closeFile world file
  96   # world = fclose file world
  97   = world
  98
  99
 100
 101 Start = flatten [filter (\x -> not (contains '-' x)) (genCoord x y) \\ x <- [0..4], y <- [0..5]]