141 lines
No EOL
3.3 KiB
Haskell
141 lines
No EOL
3.3 KiB
Haskell
module RPGEngine.Data where
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-------------------------------- Game --------------------------------
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-- TODO Add more
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data Game = Game {
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-- Current state of the game
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state :: State,
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playing :: Level,
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levels :: [Level],
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player :: Player
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}
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------------------------------- Level --------------------------------
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data Level = Level {
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layout :: Layout,
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items :: [Item],
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entities :: [Entity]
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} deriving (Eq, Show)
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type Layout = [Strip]
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type Strip = [Physical]
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data Physical = Void
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| Walkable
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| Blocked
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| Entrance
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| Exit
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deriving (Eq, Show)
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------------------------------- Player -------------------------------
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type X = Int
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type Y = Int
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data Player = Player {
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playerHp :: Maybe Int,
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inventory :: [Item],
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coord :: (X, Y)
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} deriving (Eq, Show)
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instance Living Player where
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hp = playerHp
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------------------------------- State --------------------------------
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-- Current state of the game.
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data State = Menu
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| Playing
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| Pause
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| Win
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| Lose
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------------------------------- Object -------------------------------
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class Object a where
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id :: a -> String
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x :: a -> Int
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y :: a -> Int
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name :: a -> String
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description :: a -> String
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actions :: a -> [([Condition], Action)]
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value :: a -> Maybe Int
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class Living a where
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hp :: a -> Maybe Int
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data Item = Item {
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itemId :: ItemId,
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itemX :: Int,
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itemY :: Int,
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itemName :: String,
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itemDescription :: String,
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itemActions :: [([Condition], Action)],
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itemValue :: Maybe Int,
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useTimes :: Maybe Int
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} deriving (Eq, Show)
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instance Object Item where
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id = itemId
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x = itemX
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y = itemY
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name = itemName
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description = itemDescription
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actions = itemActions
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value = itemValue
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data Entity = Entity {
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entityId :: EntityId,
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entityX :: Int,
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entityY :: Int,
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entityName :: String,
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entityDescription :: String,
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entityActions :: [([Condition], Action)],
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entityValue :: Maybe Int,
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entityHp :: Maybe Int,
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direction :: Direction
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} deriving (Eq, Show)
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instance Object Entity where
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id = entityId
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x = entityX
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y = entityY
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name = entityName
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description = entityDescription
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actions = entityActions
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value = entityValue
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instance Living Entity where
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hp = entityHp
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type EntityId = String
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type ItemId = String
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------------------------------ Condition -----------------------------
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data Condition = InventoryFull
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| InventoryContains ItemId
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| Not Condition
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| AlwaysFalse
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deriving (Show, Eq)
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------------------------------- Action -------------------------------
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data Action = Leave
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| RetrieveItem ItemId
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| UseItem ItemId
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| DecreaseHp EntityId ItemId
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| IncreasePlayerHp ItemId
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| Nothing
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deriving (Show, Eq)
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------------------------------ Direction -----------------------------
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data Direction = North
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| East
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| South
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| West
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| Center -- Equal to 'stay where you are'
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deriving (Show, Eq) |