use new utility function for registering soy items.

mcl_soy/item.lua

@@ -1,18 +1,11 @@
 local modname = minetest.get_current_modname()
 
-minetest.register_craftitem(modname .. ":soy", {
-	description = "Soy Beans",
-	groups = {
-		craftitem = 1,
-		food = 1,
-		eatable = 1,
+mcl_vegan.register_plant_items(modname, "soy", {
+	seed = "soy",
+	descriptions = {
+		base = "Soy Bean",
 	},
-	_mcl_saturation = 0.0,
-	inventory_image = modname .. "_soy.png",
-	on_place = function (item_stack, placer, pointed_thing)
-		return mcl_farming:place_seed(item_stack, placer, pointed_thing, modname .. ":soy_1")
-	end,
-	on_secondary_use = minetest.item_eat(1),
+	food_strength = 1.0,
 })
 
 minetest.register_craftitem(modname .. ":tofu_raw", {

mcl_vegan_utils/farming_item.lua

@@ -0,0 +1,62 @@
+local registered_plant_items = {}
+mcl_vegan.registered_plant_items = registered_plant_items
+
+function mcl_vegan.register_plant_items (own_mod_name, base_name, def)
+	def.own_mod_name = own_mod_name
+	def.base_name = base_name
+
+	local full_base_name = own_mod_name .. ":" .. base_name
+
+	registered_plant_items[full_base_name] = def
+
+	local seed = def.seed
+	local full_seed = own_mod_name .. ":" .. seed
+	local descriptions = def.descriptions
+	-- 0 means inedible
+	if def.food_strength == nil then def.food_strength = 0 end
+	local food_strength = def.food_strength
+
+
+
+	local on_secondary_use = nil
+	if food_strength > 0 then
+		on_secondary_use = minetest.item_eat(food_strength)
+	end
+
+	local plant_seed = function (item_stack, placer, pointed_thing)
+		return mcl_farming:place_seed(item_stack, placer, pointed_thing, full_base_name .. "_1")
+	end
+
+	local on_place = nil
+	if seed == base_name then
+		on_place = plant_seed
+	elseif food_strength > 0 then
+		on_place = on_secondary_use
+	end
+
+
+
+	minetest.register_craftitem(full_base_name, {
+		description = descriptions.base,
+		groups = {
+			craftitem = 1,
+			food = 1,
+			eatable = food_strength,
+		},
+		_mcl_saturation = food_strength,
+		inventory_image = own_mod_name .. "_" .. base_name .. ".png",
+		on_place = on_place,
+		on_secondary_use = on_secondary_use
+	})
+
+	if seed ~= base_name then
+		minetest.register_craftitem(full_seed, {
+			description = descriptions.seed,
+			groups = {
+				craftitem = 1,
+			},
+			inventory_image = modname .. "_" .. seed .. ".png",
+			on_place = plant_seed,
+		})
+	end
+end

mcl_vegan_utils/farming_node.lua

@@ -1,5 +1,5 @@
-local registered_plants = {}
-mcl_vegan.registered_plants = registered_plants
+local registered_plant_nodes = {}
+mcl_vegan.registered_plant_nodes = registered_plant_nodes
 
 local grasses = {
 	"mcl_flowers:tallgrass",
@@ -14,7 +14,7 @@ function mcl_vegan.register_basic_plant (own_mod_name, base_name, def)
 
 	local full_base_name = own_mod_name .. ":" .. base_name
 
-	registered_plants[full_base_name] = def
+	registered_plant_nodes[full_base_name] = def
 
 	local seed = own_mod_name .. ":" .. def.seed
 	local descriptions = def.descriptions

mcl_vegan_utils/init.lua

@@ -9,5 +9,6 @@ end
 rawset(_G, "include", include)
 
 include("debug")
-include("farming")
+include("farming_node")
+include("farming_item")
 include("drops")