add random seed for each registered decoration, tidy code

crops/asparagus.lua

@@ -1,6 +1,9 @@
+
+local S = farming.intllib
+
 -- asparagus
 minetest.register_craftitem("farming:asparagus", {
-	description = "asparagus",
+	description = S("asparagus"),
 	inventory_image = "farming_asparagus.png",
 	groups = {seed = 2, food_asparagus = 1, flammable = 2},
 	on_place = function(itemstack, placer, pointed_thing)
@@ -14,36 +17,31 @@ local def = {
 	drawtype = "plantlike",
 	tiles = {"farming_asparagus_1.png"},
 	paramtype = "light",
+	paramtype2 = "meshoptions",
+	place_param2 = 3,
 	sunlight_propagates = true,
 	walkable = false,
 	buildable_to = true,
 	drop = "",
-	selection_box = {
-		type = "fixed",
-		fixed = {-6 / 16, -8 / 8, -6 / 16, 6 / 16, 1 / 55, 6 / 16},
-	},
+	selection_box = farming.select,
 	groups = {
 		snappy = 3, flammable = 2, plant = 1, attached_node = 1,
 		not_in_creative_inventory = 1, growing = 1
 	},
-	sounds = default.node_sound_leaves_defaults(),
-	place_param2 = 3
+	sounds = default.node_sound_leaves_defaults()
 }
 
 -- stage 1
 minetest.register_node("farming:asparagus_1", table.copy(def))
 
-
 -- stage 2
 def.tiles = {"farming_asparagus_2.png"}
 minetest.register_node("farming:asparagus_2", table.copy(def))
 
-
 -- stage 3
 def.tiles = {"farming_asparagus_3.png"}
 minetest.register_node("farming:asparagus_3", table.copy(def))
 
-
 -- stage 4
 def.tiles = {"farming_asparagus_4.png"}
 def.drop = {
@@ -53,7 +51,6 @@ def.drop = {
 }
 minetest.register_node("farming:asparagus_4", table.copy(def))
 
-
 -- stage 5
 def.tiles = {"farming_asparagus_5.png"}
 def.drop = {
@@ -64,7 +61,6 @@ def.drop = {
 }
 minetest.register_node("farming:asparagus_5", table.copy(def))
 
-
 -- add to registered_plants
 farming.registered_plants["farming:asparagus"] = {
 	crop = "farming:asparagus",
@@ -83,10 +79,10 @@ minetest.register_decoration({
 	noise_params = {
 		offset = -0.1,
 		scale = farming.asparagus,
-		spread = {x = 50, y = 50, z = 50},
-		seed = 4242,
+		spread = {x = 100, y = 100, z = 100},
+		seed = 234,
 		octaves = 3,
-		persist = 0.7
+		persist = 0.6
 	},
 	y_min = 8,
 	y_max = 32,