tidy and tweak code

crops/onion.lua

@@ -0,0 +1,68 @@
+
+--[[
+	Original textures from Crops Plus mod
+	Copyright (C) 2018 Grizzly Adam
+	https://forum.minetest.net/viewtopic.php?f=9&t=19488
+]]
+
+local S = farming.intllib
+
+-- potato
+minetest.register_craftitem("farming:onion", {
+	description = S("Onion"),
+	inventory_image = "crops_onion.png",
+	groups = {food_onion = 1, flammable = 3},
+	on_place = function(itemstack, placer, pointed_thing)
+		return farming.place_seed(itemstack, placer, pointed_thing, "farming:onion_1")
+	end,
+	on_use = minetest.item_eat(1),
+})
+
+-- crop definition
+local crop_def = {
+	drawtype = "plantlike",
+	tiles = {"crops_onion_plant_1.png"},
+	paramtype = "light",
+	paramtype2 = "meshoptions",
+	place_param2 = 3,
+	sunlight_propagates = true,
+	waving = 1,
+	walkable = false,
+	buildable_to = true,
+	drop = "",
+	selection_box = farming.select,
+	groups = {
+		snappy = 3, flammable = 3, flora = 1, attached_node = 1,
+		not_in_creative_inventory = 1, growing = 1
+	},
+	sounds = default.node_sound_leaves_defaults()
+}
+
+-- stage 1
+minetest.register_node("farming:onion_1", table.copy(crop_def))
+
+-- stage 2
+crop_def.tiles = {"crops_onion_plant_2.png"}
+minetest.register_node("farming:onion_2", table.copy(crop_def))
+
+-- stage 3
+crop_def.tiles = {"crops_onion_plant_3.png"}
+minetest.register_node("farming:onion_3", table.copy(crop_def))
+
+-- stage 4
+crop_def.tiles = {"crops_onion_plant_4.png"}
+minetest.register_node("farming:onion_4", table.copy(crop_def))
+
+-- stage 5
+crop_def.tiles = {"crops_onion_plant_5.png"}
+crop_def.groups.growing = 0
+crop_def.drop = {
+	max_items = 5, items = {
+		{items = {'farming:onion'}, rarity = 1},
+		{items = {'farming:onion'}, rarity = 1},
+		{items = {'farming:onion'}, rarity = 2},
+		{items = {'farming:onion'}, rarity = 2},
+		{items = {'farming:onion'}, rarity = 5},
+	}
+}
+minetest.register_node("farming:onion_5", table.copy(crop_def))