111 lines
3.7 KiB
Haskell
111 lines
3.7 KiB
Haskell
{- |
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Module testing for properties of creatures, whether they are reloading, etc.
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Each function takes the world and a creature and returns a bool.
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Note that the creature NEED NOT be the same as the creature with that id in the world,
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in fact in some cases a creature with that id may not even exist.
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-}
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module Dodge.Creature.Test
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where
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import Dodge.Data
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import Dodge.Base.Collide
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import Dodge.Creature.Stance.Data
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import Geometry
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import SameConstr
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import Data.List (find)
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import Data.Maybe
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import qualified Data.IntMap.Strict as IM
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import Control.Lens
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import Control.Monad.Reader
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andTest :: (a -> Bool) -> (a -> Bool) -> a -> Bool
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andTest f g a = f a && g a
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onBoth :: (a -> b -> c) -> (d -> a) -> (d -> b) -> d -> c
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onBoth f g h x = f (g x) (h x)
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crIsReloading :: (World, Creature) -> Bool
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crIsReloading (_,cr) = case cr ^? crInv . ix (_crInvSel cr) . wpReloadState of
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Just t -> t > 0
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_ -> False
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crIsReloadingR :: Creature -> Reader World Bool
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crIsReloadingR cr = return $ case cr ^? crInv . ix (_crInvSel cr) . wpReloadState of
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Just t -> t > 0
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_ -> False
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crCanSeeCr :: Creature -> (World, Creature) -> Bool
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crCanSeeCr tcr (w,cr) = hasLOS (_crPos cr) (_crPos tcr) w
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crCanSeeR :: Creature -> Creature -> Reader World Bool
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crCanSeeR tcr cr = reader $ \w -> hasLOS (_crPos cr) (_crPos tcr) w
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crCanSeeCID :: Int -> (World, Creature) -> Bool
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crCanSeeCID cid (w,cr) = hasLOS (_crPos cr) (_crPos $ _creatures w IM.! cid) w
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crCanSeeCIDR :: Int -> Creature -> Reader World Bool
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crCanSeeCIDR cid cr = reader $ \w -> hasLOS (_crPos cr) (_crPos $ _creatures w IM.! cid) w
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crIsAiming :: (World,Creature) -> Bool
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crIsAiming (_,cr) = _posture (_crStance cr) == Aiming
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crIsAiming' :: Creature -> Bool
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crIsAiming' cr = _posture (_crStance cr) == Aiming
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crIsAimingR :: Creature -> Reader World Bool
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crIsAimingR cr = return $ _posture (_crStance cr) == Aiming
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crHasTarget :: (World,Creature) -> Bool
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crHasTarget (_,cr) = isJust $ cr ^? crTarget . _Just
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crHasTargetR :: Creature -> Reader World Bool
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crHasTargetR cr = return $ isJust $ cr ^? crTarget . _Just
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crHasTargetLOS :: (World,Creature) -> Bool
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crHasTargetLOS (w,cr) = case cr ^? crTarget . _Just of
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Just i -> crCanSeeCr i (w,cr)
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Nothing -> False
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crHasTargetLOSR :: Creature -> Reader World Bool
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crHasTargetLOSR cr = reader $ \w -> case cr ^? crTarget . _Just of
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Just i -> crCanSeeCr i (w,cr)
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Nothing -> False
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crSafeDistFromTarg :: Float -> (World,Creature) -> Bool
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crSafeDistFromTarg d (_,cr) = case cr ^? crTarget . _Just of
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Just tcr -> dist (_crPos cr) (_crPos tcr) > d
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Nothing -> True
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crSafeDistFromTargR :: Float -> Creature -> Reader World Bool
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crSafeDistFromTargR d cr = return $ case cr ^? crTarget . _Just of
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Just tcr -> dist (_crPos cr) (_crPos tcr) > d
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Nothing -> True
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crStratConMatches :: Strategy -> (World,Creature) -> Bool
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crStratConMatches strat (_,cr) = eqConstr strat (_crStrategy $ _crActionPlan cr)
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crStratConMatchesR :: Strategy -> Creature -> Reader World Bool
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crStratConMatchesR strat cr = return $ eqConstr strat (_crStrategy $ _crActionPlan cr)
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crAwayFromPost :: (World,Creature) -> Bool
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crAwayFromPost (_,cr) = case find sentinelGoal $ _crGoal $ _crActionPlan cr of
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Just (SentinelAt p _) -> dist p (_crPos cr) > 15
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_ -> False
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where
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sentinelGoal (SentinelAt _ _) = True
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sentinelGoal _ = False
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crAwayFromPostR :: Creature -> Reader World Bool
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crAwayFromPostR cr = return $ case find sentinelGoal $ _crGoal $ _crActionPlan cr of
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Just (SentinelAt p _) -> dist p (_crPos cr) > 15
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_ -> False
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where
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sentinelGoal (SentinelAt _ _) = True
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sentinelGoal _ = False
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crHasAmmo :: (World,Creature) -> Bool
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crHasAmmo (_,cr) = maybe False (> 0) $ cr ^? crInv . ix (_crInvSel cr) . wpLoadedAmmo
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crCanShoot :: (World,Creature) -> Bool
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crCanShoot p = crIsAiming p && crHasAmmo p
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