Refactor modules

src/Dodge/WorldEvent/Explosion.hs

@@ -4,7 +4,8 @@ Explosions: creation of shockwave and particles at a given point.
 module Dodge.WorldEvent.Explosion
   where
 import Dodge.Data
-import Dodge.Base
+import Dodge.Base.Zone
+import Dodge.Base.Collide
 import Dodge.WorldEvent.SpawnParticle
 import Dodge.WorldEvent.Flash
 import Dodge.RandomHelp

src/Dodge/WorldEvent/Shockwave.hs

@@ -7,6 +7,7 @@ import Dodge.Data
 import Dodge.WorldEvent.DamageBlock
 import Dodge.Creature.State.Data
 import Dodge.Base
+import Dodge.Base.Zone
 import Dodge.Picture.Layer
 import Geometry
 import Picture

src/Dodge/WorldEvent/SpawnParticle.hs

@@ -6,6 +6,8 @@ module Dodge.WorldEvent.SpawnParticle
 import Dodge.Data
 import Dodge.Creature.State.Data
 import Dodge.Base
+import Dodge.Base.Zone
+import Dodge.Base.Collide
 import Dodge.Picture
 import Dodge.Picture.Layer
 import Dodge.WorldEvent.HitEffect

src/Dodge/WorldEvent/ThingsHit.hs

@@ -5,6 +5,7 @@ module Dodge.WorldEvent.ThingsHit
     where
 import Dodge.Data
 import Dodge.Base
+import Dodge.Base.Zone
 import Geometry
 
 import qualified Data.IntMap.Strict as IM