Update pathing on block destruction without relying on _blObstructs

src/Dodge/Material/Damage.hs

@@ -13,6 +13,10 @@ import RandomHelp
 
 type ECW = Either Creature Wall
 
+-- perhaps rethink this as armour that
+-- transforms damage and passes it on to the interior object 
+-- (block,door,creature,machine)
+-- alongside an external side effect (spark,dust,etc)
 damMatSideEffect :: Damage -> Material -> ECW -> World -> (Int,World)
 damMatSideEffect dm = \case
     Stone -> damageStone dm