future-proofing leaf decay

trees/black_cap.lua

@@ -34,15 +34,23 @@ minetest.register_node("dfcaverns:black_cap_gills", {
 		items = {
 			{
 				items = {'dfcaverns:black_cap_sapling'},
-				rarity = 10,
+				rarity = 5,
 			},
 			{
 				items = {'dfcaverns:black_cap_gills'},
 			}
 		}
 	},
+	after_place_node = default.after_place_leaves,
 })
 
+if default.register_leafdecay then -- default.register_leafdecay is very new, remove this check some time after 0.4.16 is released
+	default.register_leafdecay({
+		trunks = {"dfcaverns:black_cap"}, -- don't need stem nodes here
+		leaves = {"dfcaverns:black_cap_gills"},
+		radius = 1,	
+	})
+end
 
 -- Wood
 minetest.register_craft({