vindinum - board entities as enum

haskell/minimax/.gitignore

@@ -0,0 +1,2 @@
+.stack-work/
+*~

haskell/minimax/ChangeLog.md

@@ -0,0 +1,3 @@
+# Changelog for minimax
+
+## Unreleased changes

haskell/minimax/LICENSE

@@ -0,0 +1,30 @@
+Copyright Author name here (c) 2020
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

haskell/minimax/README.md

@@ -0,0 +1 @@
+# minimax

haskell/minimax/Setup.hs

@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain

haskell/minimax/app/Main.hs

@@ -0,0 +1,6 @@
+module Main where
+
+import Lib
+
+main :: IO ()
+main = someFunc

haskell/minimax/minimax.cabal

@@ -0,0 +1,62 @@
+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.31.2.
+--
+-- see: https://github.com/sol/hpack
+--
+-- hash: 1a92bf809b96295b9e0acbb0e9595442d6bfc44923f46027b8c604aa6700076e
+
+name:           minimax
+version:        0.1.0.0
+description:    Please see the README on GitHub at <https://github.com/githubuser/minimax#readme>
+homepage:       https://github.com/githubuser/minimax#readme
+bug-reports:    https://github.com/githubuser/minimax/issues
+author:         Author name here
+maintainer:     example@example.com
+copyright:      2020 Author name here
+license:        BSD3
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
+
+source-repository head
+  type: git
+  location: https://github.com/githubuser/minimax
+
+library
+  exposed-modules:
+      Lib
+  other-modules:
+      Paths_minimax
+  hs-source-dirs:
+      src
+  build-depends:
+      base >=4.7 && <5
+  default-language: Haskell2010
+
+executable minimax-exe
+  main-is: Main.hs
+  other-modules:
+      Paths_minimax
+  hs-source-dirs:
+      app
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , minimax
+  default-language: Haskell2010
+
+test-suite minimax-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      Paths_minimax
+  hs-source-dirs:
+      test
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , minimax
+  default-language: Haskell2010

haskell/minimax/package.yaml

@@ -0,0 +1,48 @@
+name:                minimax
+version:             0.1.0.0
+github:              "githubuser/minimax"
+license:             BSD3
+author:              "Author name here"
+maintainer:          "example@example.com"
+copyright:           "2020 Author name here"
+
+extra-source-files:
+- README.md
+- ChangeLog.md
+
+# Metadata used when publishing your package
+# synopsis:            Short description of your package
+# category:            Web
+
+# To avoid duplicated efforts in documentation and dealing with the
+# complications of embedding Haddock markup inside cabal files, it is
+# common to point users to the README.md file.
+description:         Please see the README on GitHub at <https://github.com/githubuser/minimax#readme>
+
+dependencies:
+- base >= 4.7 && < 5
+
+library:
+  source-dirs: src
+
+executables:
+  minimax-exe:
+    main:                Main.hs
+    source-dirs:         app
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - minimax
+
+tests:
+  minimax-test:
+    main:                Spec.hs
+    source-dirs:         test
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - minimax

haskell/minimax/src/Lib.hs

@@ -0,0 +1,6 @@
+module Lib
+    ( someFunc
+    ) where
+
+someFunc :: IO ()
+someFunc = putStrLn "someFunc"

haskell/minimax/stack.yaml

@@ -0,0 +1,66 @@
+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# https://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+#
+# The location of a snapshot can be provided as a file or url. Stack assumes
+# a snapshot provided as a file might change, whereas a url resource does not.
+#
+# resolver: ./custom-snapshot.yaml
+# resolver: https://example.com/snapshots/2018-01-01.yaml
+resolver: lts-15.8
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+#   subdirs:
+#   - auto-update
+#   - wai
+packages:
+- .
+# Dependency packages to be pulled from upstream that are not in the resolver.
+# These entries can reference officially published versions as well as
+# forks / in-progress versions pinned to a git hash. For example:
+#
+# extra-deps:
+# - acme-missiles-0.3
+# - git: https://github.com/commercialhaskell/stack.git
+#   commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#
+# extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+# flags: {}
+
+# Extra package databases containing global packages
+# extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=2.1"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor

haskell/minimax/stack.yaml.lock

@@ -0,0 +1,12 @@
+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    size: 492015
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/15/8.yaml
+    sha256: 926bc3d70249dd0ba05277ff00943c0addb35b627cb641752669e7cf771310d0
+  original: lts-15.8

haskell/minimax/test/Spec.hs

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+main :: IO ()
+main = putStrLn "Test suite not yet implemented"

haskell/minimax/workspace.code-workspace

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+{
+	"folders": [
+		{
+			"path": "."
+		}
+    ],
+    "settings": {}
+}

haskell/vindinium/package.yaml

@@ -30,6 +30,8 @@ dependencies:
 - random
 - containers >=0.5 && <0.7
 - haskell-src-exts
+- vector
+- mtl
 
 library:
   source-dirs: src

haskell/vindinium/src/Player.hs

@@ -1,26 +1,25 @@
 {-# LANGUAGE ScopedTypeVariables, LambdaCase, MultiWayIf #-}
 module Player
     ( runMain
+    , Board
     ) where
 
 import System.IO
 import Control.Monad
 import System.Random
 import Data.Char (digitToInt)
-import Data.List (minimumBy)
+import Data.List as L
 
 import BotRunner
 import Graph
+import Simulation.Data
+import Simulation.Board (simulate)
 
-data BoardEntity = BSpawnPoint Int | BWall | BTavern | BMine | BEmpty deriving (Show, Eq)
-type Board = [[BoardEntity]]
-type IndexedBoard = [(Pos, BoardEntity)]
-type Pos = (Int, Int)
 
 -- Id, Pos, life, gold
 data Entity
-    = Hero Int Pos Int Int 
+    = EHero Int Pos Int Int 
-    | Mine Int Pos
+    | EMine Int Pos
 
 runMain :: IO ()
 runMain = runBot True bot
@@ -34,14 +33,14 @@ bot readLine writeLine = do
     let size = read input_line :: Int
     
     board' <- replicateM size getLine
-    let board :: Board = map (\br -> map (\se -> if
+    let board :: Board = fmap (\br -> fmap (\se -> if
-            | se == '.' -> BEmpty
+            | se == '.' -> Air
-            | se == '#' -> BWall
+            | se == '#' -> Wall
-            | se == 'T' -> BTavern
+            | se == 'T' -> Tavern
-            | se == 'M' -> BMine 
+            | se == 'M' -> Mine 
-            | otherwise -> BSpawnPoint $ digitToInt se) br) board'
+            | otherwise -> SpawnPoint) br) board' -- TODO: $ digitToInt se) br) board'
     input_line <- getLine
-    let iBoard :: IndexedBoard = concatMap (\(i_r, br) -> map (\(i_c, bc) -> ((i_c, i_r), bc)) br) $ zip [0..9] $ map (zip [0..9]) board
+    let iBoard :: IndexedBoard = Prelude.concatMap (\(i_r, br) -> fmap (\(i_c, bc) -> ((i_c, i_r), bc)) br) $ zip [0..9] $ map (zip [0..9]) board
 
     let myId = read input_line :: Int -- ID of your hero
     
@@ -60,41 +59,37 @@ bot readLine writeLine = do
             let life = read (input!!4) :: Int -- the life of a hero (-1 for mines)
             let gold = read (input!!5) :: Int -- the gold of a hero (-1 for mines)
             pure $ if entitytype == "HERO"
-                then Hero id (x,y) life gold
+                then EHero id (x,y) life gold
-                else Mine id (x,y)
+                else EMine id (x,y)
 
         let heroes = filter (\e -> case e of
-                Hero _ _ _ _ -> True
+                EHero _ _ _ _ -> True
                 _ -> False) entities
         let hero = head $ filter (\e -> case e of
-                Hero id _ _ _ -> id == myId
+                EHero id _ _ _ -> id == myId
                 _ -> False) heroes
         let mines = filter (\e -> case e of
-                Mine oId _ -> oId /= myId
+                EMine oId _ -> oId /= myId
                 _ -> False) entities
-        let minMine = minimumBy (\e1 e2 -> compare (dist (posFromEntity e1) (posFromEntity hero)) (dist (posFromEntity e2) (posFromEntity hero))) mines
+        let minEMine = L.minimumBy (\e1 e2 -> compare (dist (posFromEntity e1) (posFromEntity hero)) (dist (posFromEntity e2) (posFromEntity hero))) mines
-        let minTavernPos = minimumBy (\p1 p2 -> compare (dist p1 (posFromEntity hero)) (dist p2 (posFromEntity hero))) $ map (\(p, be) -> p) $ filter (\(p, be) -> isTavern be) iBoard
+        let minTavernPos = L.minimumBy (\p1 p2 -> compare (dist p1 (posFromEntity hero)) (dist p2 (posFromEntity hero))) $ map (\(p, be) -> p) $ filter (\(p, be) -> isTavern be) iBoard
-        -- hPrint stderr minMine
-        
-        -- WAIT | NORTH | EAST | SOUTH | WEST
-        r <- randomRIO (0,3) :: IO Int
-        let dir = if r == 0
-                then "NORTH"
-            else if r == 1
-                then "EAST"
-            else if r == 2
-                then "SOUTH"
-            else 
-                "WEST"
 
-        putStrLn $ case life hero of
+        let myMines = filter (\e -> case e of
-            Just lp -> if lp < 30 then moveToPos minTavernPos else moveToEntity minMine
+                EMine oId _ -> oId == myId
-            Nothing -> moveToEntity minMine
+                _ -> False) entities
+
+        let (val, pos) = simulate board (posFromEntity hero) (gameState hero $ length myMines)
+        hPrint stderr val
+        putStrLn $ moveToPos pos
+        
+        -- putStrLn $ case life hero of
+        --     Just lp -> if lp < 30 then moveToPos minTavernPos else moveToEntity minEMine
+        --     Nothing -> moveToEntity minEMine
 
 moveToEntity :: Entity -> String
 moveToEntity e = case e of
-    Hero _ p _ _ -> cout p
+    EHero _ p _ _ -> cout p
-    Mine _ p -> cout p
+    EMine _ p -> cout p
     where cout (x,y) = "MOVE " <> (show x) <> " " <> (show y)
 
 moveToPos :: (Int, Int) -> String
@@ -104,15 +99,19 @@ dist :: Pos -> Pos -> Int
 dist (x1, y1) (x2, y2) = abs (x2 - x1) + abs (y2 - y1)
 
 life :: Entity -> Maybe Int
-life (Hero _ _ l _) = Just l
+life (EHero _ _ l _) = Just l
 life _ = Nothing
 
 posFromEntity :: Entity -> (Int, Int)
-posFromEntity (Hero _ p _ _) = p
+posFromEntity (EHero _ p _ _) = p
-posFromEntity (Mine _ p) = p
+posFromEntity (EMine _ p) = p
+
+gameState :: Entity -> Int -> (Int, Int, Int)
+gameState (EHero _ _ l g) mines = (g, l, mines)
+gameState (EMine _ _) mines = (-1, -1, mines)
 
 isTavern :: BoardEntity -> Bool
-isTavern BTavern = True
+isTavern Tavern = True
 isTavern _ = False
 
 addEdge' :: Ord v => Graph v -> [v] -> Graph v

haskell/vindinium/src/Simulation/Board.hs

@@ -0,0 +1,88 @@
+module Simulation.Board
+    ( simulate
+    ) where
+
+-- import Prelude
+import qualified Data.Vector as V
+import Control.Monad.State as S
+import Control.Monad.State.Class
+import Data.List as L
+import Simulation.Data
+
+spawnPoint = fromEnum SpawnPoint
+wall = fromEnum Wall
+tavern = fromEnum Tavern
+mine = fromEnum Mine
+air = fromEnum Air
+
+size = 10  -- TODO: Allow for variable board sizes
+searchDepth = 6
+
+fromPlayerBoard :: Board -> BoardInternal
+fromPlayerBoard pBoardInternal = fmap (fmap $ fromEnum) asVector
+    where asVector = V.fromList $ fmap V.fromList pBoardInternal
+
+emptyBoard :: BoardInternal
+emptyBoard = V.generate 9 (\_ -> V.replicate 9 air) 
+
+-- All valid board positions are possible. For example the player could move
+-- back and forth between two fields infinitely
+-- Caution: if the player moved inside a Tavern or Mine he needs to be reset to his initial position afterwards
+-- TODO: Check if tailrec
+simulate :: Board -> Pos -> GameState -> (Int, Pos)
+simulate board pos = evalState sim
+    where sim = simulateMove (fromPlayerBoard board) pos searchDepth (-1,-1)
+
+simulateMove :: BoardInternal -> Pos -> Int -> Pos -> State GameState (Int, Pos)
+simulateMove board pos depth prevPos
+    | depth == 0 = do
+        evalMove board pos
+        gold <- evalGameState
+        pure $ (gold, pos)
+    | otherwise = do
+        evalMove board pos
+        let bPos = boardPos board pos
+        let pos' = if bPos == tavern || bPos == mine then prevPos else pos      -- move back out of tavern/mine
+        vals <- S.mapM (\pos'' -> simulateMove board pos'' (depth-1) pos') moves
+        -- let valsWithPos = zip (fmap fst vals) moves   -- return poss of current move, not of submoves
+        -- pure $ L.maximumBy (\(v1, _) (v2, _) -> compare v1 v2) valsWithPos
+        pure $ L.maximumBy (\(v1, _) (v2, _) -> compare v1 v2) vals
+    where
+        moves :: [Pos]
+        moves = filter (posValid board) $ possibleMoves pos
+
+-- update State according to hero position on board
+-- executed every move
+evalMove :: BoardInternal -> Pos -> State GameState ()
+evalMove board pos
+    | entity == Air = modify (\(gold, life, mines) -> (gold+mines, life-1, mines))
+    | entity == SpawnPoint = modify (\(gold, life, mines) -> (gold+mines, life-1, mines))
+    | entity == Tavern = modify ( \(gold, life, mines) -> (gold+mines-2, min 100 (life+50), mines) )  -- TODO: Check if life is +19
+    | entity == Mine = modify (\(gold, life, mines) -> (gold+mines, life-1, mines))
+    | entity == Wall = pure () -- should never happen
+    where
+        entity = toEnum $ boardPos board pos
+
+-- retuns the evalutaion of the current move
+-- executed if maximum depth is reached
+evalGameState :: State GameState Int
+evalGameState = do
+    (gold, _, _) <- get
+    pure gold
+
+-- get BoardInternalEntity Enum of Pos on BoardInternal
+boardPos :: BoardInternal -> Pos -> BoardEntityEnum
+boardPos board (x,y) = fromEnum $ (board V.! x) V.! y
+
+posValid :: BoardInternal -> Pos -> Bool
+posValid board pos@(x,y) = onBoardInternal && boardPos' /= wall
+    where
+        boardPos' = boardPos board pos
+        onBoardInternal = x >= 0 && x < size && y >= 0 && y < size
+
+possibleMoves :: Pos -> [Pos]
+possibleMoves (x,y) = [ (x+1, y), (x, y+1), (x-1, y), (x, y-1) ]
+
+
+data Tree v = Node v (Tree v) | Leaf v
+

haskell/vindinium/src/Simulation/Data.hs

@@ -0,0 +1,15 @@
+module Simulation.Data where
+
+import qualified Data.Vector as V
+
+data BoardEntity = SpawnPoint | Wall | Tavern | Mine | Air deriving (Show, Eq, Enum)
+type BoardEntityEnum = Int
+
+type Board = [[BoardEntity]]
+type IndexedBoard = [(Pos, BoardEntity)]
+
+type BoardInternal = V.Vector (V.Vector BoardEntityEnum)
+type Pos = (Int, Int)
+
+-- (gold, life, numMines)
+type GameState = (Int, Int, Int)

haskell/vindinium/stackproject.cabal

@@ -4,7 +4,7 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 830ab1dfe911ba97d355d8cb635f3c8cb20a911f05b8cbcb68139e102b99cfd5
+-- hash: 817a86041a7dd560036682aca70efb443076dda509e4bb85d122ed1d611907a1
 
 name:           stackproject
 version:        0.1.0.0
@@ -32,6 +32,8 @@ library
       Debug
       Graph
       Player
+      Simulation.Board
+      Simulation.Data
   other-modules:
       Paths_stackproject
   hs-source-dirs:
@@ -46,7 +48,9 @@ library
     , directory
     , filepath
     , haskell-src-exts
+    , mtl
     , random
+    , vector
   default-language: Haskell2010
 
 executable stackproject-exe
@@ -66,8 +70,10 @@ executable stackproject-exe
     , directory
     , filepath
     , haskell-src-exts
+    , mtl
     , random
     , stackproject
+    , vector
   default-language: Haskell2010
 
 test-suite stackproject-test
@@ -88,6 +94,8 @@ test-suite stackproject-test
     , directory
     , filepath
     , haskell-src-exts
+    , mtl
     , random
     , stackproject
+    , vector
   default-language: Haskell2010