GUI working, basic mines layout, no interactivity yet

Minesweeper.cabal

@@ -12,6 +12,10 @@ maintainer:     jackpharley@gmail.com
 copyright:      2020 Jack Harley
 license:        AllRightsReserved
 build-type:     Simple
+extra-source-files:
+    view/css/bootstrap.min.css
+    view/css/bootstrap.min.css.map
+    view/css/minesweeper.css
 
 executable Minesweeper
   main-is: Main.hs
@@ -24,4 +28,5 @@ executable Minesweeper
   build-depends:
       base
     , random
+    , threepenny-gui
   default-language: Haskell2010

package.yaml

@@ -10,8 +10,10 @@ description:         CSU44012 Assignment 2
 dependencies:
 - base
 - random
+- threepenny-gui
 
-#extra-source-files:
+extra-source-files:
+- view/css/*
 
 executables:
   Minesweeper:

src/Main.hs

@@ -1,9 +1,45 @@
 module Main where
 
-import Minesweeper
+import Control.Monad
+import Control.Concurrent (threadDelay)
+
 import System.Random
 
+import qualified Graphics.UI.Threepenny as UI
+import Graphics.UI.Threepenny.Core
+
+import Minesweeper
+
 main :: IO ()
 main = do
-    rng <- newStdGen 
-    putStrLn (printBoard $ createBoard 20 0.1 rng)
+    rng <- newStdGen
+    startGUI defaultConfig {jsStatic = Just "view"} $ setup rng
+
+setup :: StdGen -> Window -> UI ()
+setup rng w = void $ do
+    return w # set title "Minesweeper"
+
+    UI.addStyleSheet w "bootstrap.min.css"
+    UI.addStyleSheet w "minesweeper.css"
+
+    let board = createBoard 10 0.06 rng
+
+    getBody w #+ [
+        UI.div #. "container" #+ [
+            UI.h1 #+ [string "Minesweeper"],
+            --UI.h4 #+ [string "By Jack Harley <jharley@tcd.ie>"],
+            gameGridTable board
+        ]]
+
+gameGridTable :: Board -> UI Element
+gameGridTable b = mkElement "table" #+ rows b
+
+rows :: Board -> [UI Element]
+rows b = rows2 b 0
+rows2 b r | r < size b = (mkElement "tr" #+ cells b r) : rows2 b (r+1)
+          | otherwise = []
+
+cells :: Board -> Int -> [UI Element]
+cells b r = cells2 b r 0
+cells2 b r c | c < size b = mkElement "td" #. squareColour b (r,c) #+ [string $ squareAscii b (r,c)] : cells2 b r (c+1)
+             | otherwise = []

src/Minesweeper.hs

@@ -20,6 +20,7 @@ createGrid :: Int -> Grid
 createGrid size = replicate size (replicate size False)
 
 -- Functions relating to seeding a grid with mines
+
 seedGrid :: StdGen -> Float -> Grid -> Grid
 seedGrid _ _ [] = []
 seedGrid rng p (l:ls) = newL : seedGrid rng2 p ls
@@ -39,7 +40,47 @@ randomlyTrue :: StdGen -> Float -> (Bool, StdGen)
 randomlyTrue rng p = (generatedFloat <= p, newRng)
                      where (generatedFloat, newRng) = randomR (0.0, 1.0) rng
 
+-- Functions for determing status of a square
+-- N.B. (r,c) = (row, column)
+
+hasMine :: Board -> Square -> Bool
+hasMine b (r,c) | validSquare b (r,c) = (mines b !! r) !! c
+                | otherwise = False
+
+isUncovered :: Board -> Square -> Bool
+isUncovered b (r,c) = (uncovered b !! r) !! c
+
+isFlagged :: Board -> Square -> Bool
+isFlagged b (r,c) = (flagged b !! r) !! c
+
+validSquare :: Board -> Square -> Bool
+validSquare b (r,c) = r >= 0 && c >= 0 && r < size b && c < size b
+
+squareAscii :: Board -> Square -> String
+squareAscii b (r,c) | hasMine b (r,c) = "X"
+                    | otherwise = show $ adjacentBombs b (r,c)
+
+squareColour :: Board -> Square -> String
+squareColour b (r,c) | hasMine b (r,c) = "red"
+                     | otherwise = "green"
+
+adjacentBombs :: Board -> Square -> Int
+adjacentBombs board (row,col) = let tl = boolToInt $ hasMine board (row-1,col-1)
+                                    t = boolToInt $ hasMine board (row-1,col)
+                                    tr = boolToInt $ hasMine board (row-1,col+1)
+                                    l = boolToInt $ hasMine board (row,col-1)
+                                    r = boolToInt $ hasMine board (row,col+1)
+                                    bl = boolToInt $ hasMine board (row+1,col-1)
+                                    b = boolToInt $ hasMine board (row+1,col)
+                                    br = boolToInt $ hasMine board (row+1,col+1)
+                            in tl + t + tr + l + r + bl + b + br
+
+boolToInt :: Bool -> Int
+boolToInt x | x = 1
+            | otherwise = 0
+
 -- Functions for turning a board into a string for debug purposes
+
 printBoard :: Board -> String
 printBoard b = printBoardGrid (mines b)
 

view/css/minesweeper.css

@@ -0,0 +1,27 @@
+body {
+    font-family: "Helvetica", sans-serif;
+}
+
+table {
+    /*width: 400px;*/
+}
+
+tr {
+
+}
+
+td {
+    width: 30px !important;
+    height: 30px !important;
+    text-align: center;
+    color: black;
+    border: 1px solid black;
+}
+
+.red {
+    background-color: red;
+}
+
+.green {
+    background-color: lime;
+}