witchcraft/opt/lightning.lua

-- lightning: https://github.com/minetest-mods/lightning

minetest.register_craftitem("witchcraft:scroll_lightning", {
	description = "Scroll of lightning",
	inventory_image = "witchcraft_scroll.png^witchcraft_thunder_over.png",
	stack_max = 1,
	on_use = function(item, placer, pos)
	local playerpos = placer:getpos();
	local dir = placer:get_look_dir();
	lightning.strike({x=playerpos.x+dir.x*2,y=playerpos.y+0+dir.y,z=playerpos.z+dir.z*2})
		item:take_item()
		return item
	end,
})

minetest.register_craft({
	output = 'witchcraft:scroll_lightning',
	recipe = {
		{'default:steel_ingot'},
		{'default:diamond'},
		{'witchcraft:scroll'},
	}
})