Initial commit

.gitignore

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+.stack-work/
+dist/
+dist-newstyle/
+out/
+
+.idea/
+.vscode/
+
+.DS_Store
+*.exe
+*.dll

levels/level1.txt

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+player: {
+    hp: 50,
+    inventory: []
+}
+
+levels: [
+    {
+        layout: {
+            | * * * * * *
+            | * s . . e *
+            | * * * * * *
+        },
+        
+        items: [],
+
+        entities: []
+    }
+]

levels/level2.txt

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+player: {
+    hp: 50,
+    inventory: []
+}
+
+levels: [
+    {
+        layout: {
+            | * * *
+            | * e *
+            | * . *
+            | * . *
+            | * . *
+            | * . *
+            | * s *
+            | * * *
+        },
+
+        items: [
+            {
+                id: "key",
+                x: 1,
+                y: 2,
+                name: "Sleutel",
+                description: "Deze sleutel kan een deur openen",
+                useTimes: 1,
+                value: 0,
+                actions: {
+                    [not(inventoryFull())] retrieveItem(key),
+                    [] leave()
+                }
+            }
+        ],
+
+        entities: [
+            {
+                id: "door",
+                x: 1,
+                y: 4,
+                name: "Deur",
+                description: "Deze deur kan geopend worden met een sleutel",
+                direction: up,
+
+                actions: {
+                    [inventoryContains(key)] useItem(key),
+                    [] leave()
+                }
+            }
+        ]
+    }
+]

levels/level3.txt

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+player: {
+    hp: 50,
+    inventory: [
+        {
+            id: "dagger",
+            x: 0,
+            y: 0,
+            name: "Dolk",
+            description: "Basis schade tegen monsters",
+            useTimes: infinite,
+            value: 10,
+
+            actions: {}
+        }
+    ]
+}
+
+levels: [
+    {
+        layout: {
+            | * * * * * * * *
+            | * . . . . . . *
+            | * s . . . . . *
+            | * . . . . . e *
+            | * . . . . . . *
+            | * * * * * * * *
+        },
+
+        items: [
+            {
+                id: "sword",
+                x: 2,
+                y: 3,
+                name: "Zwaard",
+                description: "Meer schade tegen monsters",
+                useTimes: infinite,
+                value: 25,
+
+                actions: {
+                    [not(inventoryFull())] retrieveItem(sword),
+                    [] leave()
+                }
+            },
+            {
+                id: "potion",
+                x: 3,
+                y: 1,
+                name: "Levensbrouwsel",
+                description: "Geeft een aantal levenspunten terug",
+                useTimes: 1,
+                value: 50,
+
+                actions: {
+                    [not(inventoryFull())] retrieveItem(potion),
+                    [] leave()
+                }
+            }
+        ],
+
+        entities: [
+            {
+                id: "devil",
+                x: 4,
+                y: 3,
+                name: "Duivel",
+                description: "Een monster uit de hel",
+                hp: 50,
+                damage: 5,
+
+                actions: {
+                    [inventoryContains(potion)] increasePlayerHp(potion),
+                    [inventoryContains(sword)] decreaseHp(m1, sword),
+                    [] decreaseHp(m1, dagger),
+                    [] leave()
+                }
+            }
+        ]
+    }
+]

lib/VoorbeeldModule.hs

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+module VoorbeeldModule
+  ( hoi -- oplijsting van de publieke functies - als je deze lijst en de haakjes weglaat, wordt alles publiek
+  , hallo
+  ) where
+
+hoi :: String
+hoi = "Hoi"
+
+hallo :: String
+hallo = "Hallo"

rpg-engine.cabal

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+name:           rpg-engine
+version:        1.0.0
+author:         Author name here
+cabal-version:  1.12
+build-type:     Simple
+
+library
+  hs-source-dirs: lib
+  build-depends: base >= 4.7 && <5
+  exposed-modules: VoorbeeldModule
+
+executable rpg-engine
+  main-is: Main.hs
+  hs-source-dirs: src
+  default-language: Haskell2010
+  build-depends: base >= 4.7 && <5, rpg-engine
+
+test-suite rpg-engine-test
+  type: exitcode-stdio-1.0
+  main-is: VoorbeeldTest.hs
+  hs-source-dirs: test
+  default-language: Haskell2010
+  build-depends: base >=4.7 && <5, hspec <= 2.10.6, rpg-engine

src/Main.hs

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+import VoorbeeldModule (hoi)
+
+main :: IO ()
+main = putStrLn hoi

stack.yaml

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+# 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:
+  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/19/30.yaml
+
+# 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: ">=2.7"
+#
+# 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

test/VoorbeeldTest.hs

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+import Test.Hspec
+
+import VoorbeeldModule (hoi, hallo)
+
+main :: IO ()
+main = hspec $ do 
+    it "Returns correct string for hoi" $ do
+        hoi `shouldBe` "Hoi"
+
+    it "Returns correct string for hallo" $ do
+        hallo `shouldBe` "Hallo"