mods that hopefully work for a TechAge-based pack

mods/toolranks_extras/hoe.lua

@@ -0,0 +1,49 @@
+local function add_hoe(material)
+	-- registering as tool
+	local name = "farming:hoe_"..material
+	toolranks.add_tool(name)
+
+	-- getting after_use
+	local def = minetest.registered_items[name]
+	local hoe_on_use = def.on_use
+	local hoe_after_use = def.after_use
+
+	if (hoe_on_use == nil) or (hoe_after_use == nil) then
+		return
+	end
+	minetest.override_item(name, {
+		-- we also want hoes to increase dugnodes when farming soil
+		on_use = function(itemstack, user, pointed_thing, uses)
+			-- if no node is pointed, the hoe cannot be used
+			if pointed_thing.under == nil then
+				return nil
+			end
+			local under = minetest.get_node(pointed_thing.under)
+			-- get origin wear
+			local wear = itemstack:get_wear()
+			-- apply previous on_use
+			local ret_itemstack = hoe_on_use(itemstack, user, pointed_thing, uses)
+			if ret_itemstack == nil then
+				return nil
+			end
+			-- compute wear diff
+			local hoe_uses = ret_itemstack:get_wear() - wear
+			-- set wear back because it is up to hoe_after_use to add wear
+			ret_itemstack:set_wear(wear)
+			-- apply afteruse
+			return hoe_after_use(ret_itemstack, user, under, {wear = hoe_uses})
+		end
+
+	})
+end
+
+
+add_hoe("wood")
+add_hoe("stone")
+add_hoe("steel")
+
+-- Following hoes are not available in creative inventory, but
+-- it is possible to /give them
+add_hoe("bronze")
+add_hoe("mese")
+add_hoe("diamond")