Randomise volleyGun bursts

src/Dodge/BaseTriggerType.hs

@@ -28,7 +28,8 @@ heldTriggerType = \case
     BLUNDERBUSS -> HammerTrigger
     GRAPECANNON{} -> HammerTrigger
     MINIGUNX{} -> AutoTrigger
-    VOLLEYGUN i -> BurstTrigger $ fmap (3*) [1 .. i-1]
+    --VOLLEYGUN i -> BurstTrigger $ fmap (3*) [1 .. i-1]
+    VOLLEYGUN i -> VolleyGunTrigger i
     RIFLE -> HammerTrigger
     ALTERIFLE -> HammerTrigger
     AUTORIFLE -> AutoTrigger

src/Dodge/Data/TriggerType.hs

@@ -12,6 +12,7 @@ data TriggerType
     | NoTrigger
     | AlwaysSingleTrigger
     | BurstTrigger [Int]
+    | VolleyGunTrigger Int
     deriving (Eq, Show, Read)
 
 --deriveJSON defaultOptions ''TriggerType

src/Dodge/HeldUse.hs

@@ -80,20 +80,30 @@ hammerCheck ::
     Creature ->
     World ->
     World
-hammerCheck f pt it cr
+hammerCheck f pt it cr w
     | BurstTrigger is <- itemTriggerType (it ^. ldtValue)
-      , pt == InitialPress =
+      , pt == InitialPress = w & f it cr & cWorld . lWorld . delayedEvents .++~ map g is
-        f it cr . (cWorld . lWorld . delayedEvents .++~ map g is)
+    | BurstTrigger{} <- itemTriggerType (it ^. ldtValue) = w
-    | BurstTrigger{} <- itemTriggerType (it ^. ldtValue) = id
+    | VolleyGunTrigger i <- itemTriggerType (it ^. ldtValue)
+      , pt == InitialPress = let (is,gen) = getVolleyBurst i (w ^. randGen)
+        in w & f it cr 
+            & cWorld . lWorld . delayedEvents .++~ map g is
+            & randGen .~ gen
+    | VolleyGunTrigger{} <- itemTriggerType (it ^. ldtValue) = w
     | t <- itemTriggerType (it ^. ldtValue)
       , t == HammerTrigger || t == AlwaysSingleTrigger
       , isNothing $ lookup MakeAutoLink (it ^. ldtRight)
       , pt /= InitialPress =
-        id
+        w
-    | otherwise = f it cr
+    | otherwise = f it cr w
   where
     g x = (x, WdWdBurstFireRepetition (_crID cr) (it ^?! ldtValue . itLocation . ilInvID))
 
+
+getVolleyBurst :: (Random a, RandomGen b, Num a) => Int -> b -> ([a], b)
+getVolleyBurst i g = let (is,g') = runState (replicateM (i-1) (state $ randomR (0,6))) g
+    in (scanl1 (+) is, g')
+
 {- | Applies a world effect after an item use cooldown check.
  input buffering?
 -}