check for old wheat/cotton seeds and grow to stage_1 via abm

crops/barley.lua

@@ -8,15 +8,16 @@ minetest.register_node("farming:seed_barley", {
 	inventory_image = "farming_barley_seed.png",
 	wield_image = "farming_barley_seed.png",
 	drawtype = "signlike",
-	groups = {seed = 1, snappy = 3, attached_node = 1},
+	groups = {seed = 1, snappy = 3, attached_node = 1, growing = 1},
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	walkable = false,
 	sunlight_propagates = true,
+	next_plant = "farming:barley_1",
 	selection_box = farming.select,
-	on_place = function(itemstack, placer, pointed_thing)
+--	on_place = function(itemstack, placer, pointed_thing)
-		return farming.place_seed(itemstack, placer, pointed_thing, "farming:barley_1")
+--		return farming.place_seed(itemstack, placer, pointed_thing, "farming:barley_1")
-	end
+--	end
 })
 
 -- harvested barley

crops/cotton.lua

@@ -34,15 +34,16 @@ minetest.register_node("farming:seed_cotton", {
 	inventory_image = "farming_cotton_seed.png",
 	wield_image = "farming_cotton_seed.png",
 	drawtype = "signlike",
-	groups = {seed = 1, snappy = 3, attached_node = 1, flammable = 4},
+	groups = {seed = 1, snappy = 3, attached_node = 1, flammable = 4, growing = 1},
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	walkable = false,
 	sunlight_propagates = true,
 	selection_box = farming.select,
-	on_place = function(itemstack, placer, pointed_thing)
+	next_plant = "farming:cotton_1",
-		return farming.place_seed(itemstack, placer, pointed_thing, "farming:cotton_1")
+--	on_place = function(itemstack, placer, pointed_thing)
-	end
+--		return farming.place_seed(itemstack, placer, pointed_thing, "farming:cotton_1")
+--	end
 })
 
 -- cotton

crops/hemp.lua

@@ -8,15 +8,16 @@ minetest.register_node("farming:seed_hemp", {
 	inventory_image = "farming_hemp_seed.png",
 	wield_image = "farming_hemp_seed.png",
 	drawtype = "signlike",
-	groups = {seed = 1, snappy = 3, attached_node = 1},
+	groups = {seed = 1, snappy = 3, attached_node = 1, growing = 1},
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	walkable = false,
 	sunlight_propagates = true,
 	selection_box = farming.select,
-	on_place = function(itemstack, placer, pointed_thing)
+	next_plant = "farming:hemp_1",
-		return farming.place_seed(itemstack, placer, pointed_thing, "farming:hemp_1")
+--	on_place = function(itemstack, placer, pointed_thing)
-	end
+--		return farming.place_seed(itemstack, placer, pointed_thing, "farming:hemp_1")
+--	end
 })
 
 -- harvested hemp

crops/wheat.lua

@@ -8,15 +8,16 @@ minetest.register_node("farming:seed_wheat", {
 	inventory_image = "farming_wheat_seed.png",
 	wield_image = "farming_wheat_seed.png",
 	drawtype = "signlike",
-	groups = {seed = 1, snappy = 3, attached_node = 1, flammable = 4},
+	groups = {seed = 1, snappy = 3, attached_node = 1, flammable = 4, growing = 1},
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	walkable = false,
 	sunlight_propagates = true,
 	selection_box = farming.select,
-	on_place = function(itemstack, placer, pointed_thing)
+	next_plant = "farming:wheat_1",
-		return farming.place_seed(itemstack, placer, pointed_thing, "farming:wheat_1")
+--	on_place = function(itemstack, placer, pointed_thing)
-	end
+--		return farming.place_seed(itemstack, placer, pointed_thing, "farming:wheat_1")
+--	end
 })
 
 -- harvested wheat

init.lua

@@ -7,7 +7,7 @@
 
 farming = {
 	mod = "redo",
-	version = "20230122",
+	version = "20230407",
 	path = minetest.get_modpath("farming"),
 	select = {
 		type = "fixed",
@@ -198,8 +198,8 @@ local function reg_plant_stages(plant_name, stage, force_last)
 			local old_constr = node_def.on_construct
 			local old_destr  = node_def.on_destruct
 
-			minetest.override_item(node_name,
+			minetest.override_item(node_name, {
-				{
+
 				on_construct = function(pos)
 
 					if old_constr then
@@ -313,8 +313,23 @@ minetest.register_abm({
 	chance = 1,
 	catch_up = false,
 	action = function(pos, node)
+
+		-- check if group:growing node is a seed
+		local def = minetest.registered_nodes[node.name]
+
+		if def.groups and def.groups.seed then
+
+			local next_stage = def.next_plant
+			local p2 = def.place_param2
+
+			-- change seed to stage_1 or crop
+			if next_stage then
+				minetest.set_node(pos, {name = next_stage, param2 = p2})
+			end
+		else
 			farming.handle_growth(pos, node)
 		end
+	end
 })
 
 
@@ -542,7 +557,7 @@ farming.register_plant = function(name, def)
 		inventory_image = def.inventory_image,
 		wield_image = def.inventory_image,
 		drawtype = "signlike",
-		groups = {seed = 1, snappy = 3, attached_node = 1, flammable = 2},
+		groups = {seed = 1, snappy = 3, attached_node = 1, flammable = 2, growing = 1},
 		paramtype = "light",
 		paramtype2 = "wallmounted",
 		walkable = false,
@@ -552,8 +567,8 @@ farming.register_plant = function(name, def)
 		next_plant = mname .. ":" .. pname .. "_1",
 
 		on_place = function(itemstack, placer, pointed_thing)
-			return farming.place_seed(itemstack, placer,
+			return farming.place_seed(itemstack, placer, pointed_thing,
-				pointed_thing, mname .. ":" .. pname .. "_1")
+					mname .. ":" .. pname .. "_1")
 		end
 	})