The_End/mods/items/gunpowder_barrels/init.lua

gunpowder_barrels = {}

local modpath = minetest.get_modpath("gunpowder_barrels")
dofile(modpath.."/explosion.lua")
dofile(modpath .. "/barrel_entity.lua")

local S = minetest.get_translator("gunpowder_barrels")



minetest.register_craftitem("gunpowder_barrels:barrel_item", {
	description = S("Gunpowder Barrel"),
	inventory_image = "gunpowder_barrels_barrel.png",
	stack_max = 16,
	on_use = function(itemstack, user, pointed_thing) --throw
		if user
		then
			if pointed_thing.type == "object"
			then
				assert(pointed_thing.ref, "ref is not")
				pointed_thing.ref:punch(user, 0, {})
			else
				local throwdir = minetest.serialize(vector.multiply(user:get_look_dir(), 10))
				minetest.add_entity(vector.add(user:get_pos(), {x = 0, y = 2, z = 0}),
					"gunpowder_barrels:barrel_entity", throwdir)
			end
		end
		itemstack:take_item(1)
		return itemstack
	end,
	on_place = function(itemstack, user, pointed_thing) --place
		if user and pointed_thing.type == "node"
		then

			minetest.add_entity(pointed_thing.above,
				"gunpowder_barrels:barrel_entity")
		end
		itemstack:take_item(1)
		return itemstack
	end,
})

minetest.register_alias("bomb", "gunpowder_barrels:barrel_item")
minetest.register_alias("gunpowder_barrel", "gunpowder_barrels:barrel_item")