Add new targeting datatypes

src/Dodge/Creature/State.hs

@@ -136,6 +136,7 @@ invItemUpdate = itUse %~ useupdate
 invSideEff :: Creature -> World -> World
 invSideEff cr w = weaponReloadSounds cr 
     . flip (IS.foldr useeq) (_crInvEquipped cr)
+    . doHeldItemTargeting cr
     $ IM.foldrWithKey f w (_crInv cr)
   where 
     useeq i = _eqUse (_itUse $ _crInv cr IM.! i) cr i
@@ -148,6 +149,12 @@ invSideEff cr w = weaponReloadSounds cr
             | otherwise         = itpointer %~ invItemUpdate
         itpointer = creatures . ix (_crID cr) . crInv . ix i
 
+doHeldItemTargeting :: Creature -> World -> World
+doHeldItemTargeting cr w = case cr ^? crInv . ix (_crInvSel cr) . itTargeting' . tgHeldUpdate of
+    Nothing -> w
+    Just f  -> w & creatures . ix (_crID cr) . crInv . ix (_crInvSel cr) . itTargeting'
+        %~ f (_crInv cr IM.! _crInvSel cr) cr w
+
 weaponReloadSounds :: Creature -> World -> World
 weaponReloadSounds cr w = case cr ^? crInv . ix (_crInvSel cr) . itConsumption of
     Just am@LoadableAmmo{} -> case _reloadType am of

src/Dodge/Data.hs

@@ -370,6 +370,7 @@ data Item = Item
     , _itInvDisplay :: Item -> [String]
     , _itInvColor   :: Color
     , _itTargeting :: Maybe (World -> Maybe Point2, Int -> Item -> Creature -> World -> Picture)
+    , _itTargeting' :: Targeting
     , _itDimension  :: ItemDimension
     , _itCurseStatus :: CurseStatus
     , _itParams     :: ItemParams
@@ -379,10 +380,10 @@ data Item = Item
     }
 data Targeting
     = NoTargeting
-    | Targeting
-        { _tgPos    :: Maybe Point2
-        , _tgUpdate :: Item -> Creature -> World -> Maybe Point2
-        , _tgDraw   :: Item -> Creature -> World -> Picture
+    | TargetingOnHeld
+        { _tgPos        :: Maybe Point2
+        , _tgHeldUpdate :: Item -> Creature -> World -> Targeting -> Targeting
+        , _tgDraw       :: Item -> Creature -> World -> Picture
         }
 data ModuleSlot
     = ModBullet

src/Dodge/Default.hs

@@ -157,6 +157,7 @@ defaultEquipment = Item
     , _itTargeting = Nothing
     , _itModules = M.empty 
     , _itScope = NoScope
+    , _itTargeting' = NoTargeting
     }
 defaultItZoom :: ItZoom
 defaultItZoom = ItZoom 20 0.2 1
@@ -182,6 +183,7 @@ defaultConsumable = Item
     , _itTweaks = NoTweaks
     , _itModules = M.empty 
     , _itScope = NoScope
+    , _itTargeting' = NoTargeting
     }
 defaultApplyDamage :: [DamageType] -> Creature -> (World -> World, Creature)
 defaultApplyDamage ds cr = (id, doPoisonDam $ foldl' (flip $ \d c -> snd $ applyIndividualDamage d c) cr ds')

src/Dodge/Default/Weapon.hs

@@ -104,6 +104,7 @@ defaultGun = Item
         ,(ModBulletTarget,DefaultModule)
         ]
     , _itScope = NoScope
+    , _itTargeting' = NoTargeting
     }
 defaultCraftable :: Item
 defaultCraftable = Item 
@@ -126,6 +127,7 @@ defaultCraftable = Item
     , _itTweaks = NoTweaks
     , _itModules = M.empty
     , _itScope = NoScope
+    , _itTargeting' = NoTargeting
     }
 defItDim :: ItemDimension
 defItDim = ItemDimension