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-- Fortgeschrittene Funktionale Programmierung,
-- LMU, TCS, Wintersemester 2015/16
-- Steffen Jost, Alexander Isenko
--
-- Übungsblatt 11. 13.01.2016
--
-- Teilaufgabe
-- A11-4b TemplateHaskell
{-# LANGUAGE TemplateHaskell, QuasiQuotes #-}
module GameUnits where
import Data.Char
import System.Random
import Language.Haskell.TH
uncapitalize :: String -> String
uncapitalize (c:s) = (toLower c):s
uncapitalize [] = []
---------------------------
-- Datatype Declarations --
---------------------------
data Unit = Unit {str, hit :: Int, flyer :: Bool, name :: String }
deriving (Eq, Show)
type Units = [Unit]
unit :: Unit -- default Value
unit = Unit {str=undefined, hit=2, flyer=False, name=undefined }
takeHit :: Unit -> Unit
takeHit monster = monster { hit = hit monster - 1 }
isDead :: Unit -> Bool
isDead Unit { hit=n } = n <= 0
----------------------------------
-- Some Stock Units in the game --
----------------------------------
stockUnitList :: [Unit]
stockUnitList =
[ unit{ name = "Scout", str= 5 }
, unit{ name = "Crow", str= 5, hit=1, flyer=True }
, unit{ name = "Orc", str=20, hit=1 }
, unit{ name = "Dwarf", str=15, hit=2 }
, unit{ name = "Elf", str=30, hit=1 }
, unit{ name = "Giant", str=20, hit=4 }
, unit{ name = "Knight",str=35, hit=2 }
, unit{ name = "Dragon",str=55, hit=3, flyer=True }
]
battle :: Unit -> Unit -> IO Unit
battle att def = do
attRoll <- randomRIO (0,99)
defRoll <- randomRIO (0,99)
case (attRoll < str att, defRoll < str def) of
(True, False) -> check att $ takeHit def
(False,True ) -> check (takeHit att) def
_other -> battle att def -- reroll
where
check a d
| isDead a = return d
| isDead d = return a
| otherwise = battle a d
stockUnitShortcuts :: Q [Dec]
-- declares a constants of type Unit for each unit on the
stockUnitShortcuts = undefined -- !!! TODO !!!
|
