ecigarettes/init.lua

playereffects.register_effect_type("cigarettespeed", "Cigarette Speed", "ecigarettes_ecigarette.png", {"speed"}, 
		function(player)
			player:set_physics_override({speed=3})
		end,
		function(effect, player)
			player:set_physics_override({speed=1})
        end
)

minetest.register_tool("ecigarettes:ecigarette", {
    description = "E-Cigarette",
    inventory_image = "ecigarettes_ecigarette.png",
    on_use = function(itemstack, player, pointed_thing)
		playereffects.apply_effect_type("cigarettespeed", 190, player)
		itemstack:take_item()
		return itemstack
    end
})

minetest.register_craftitem("ecigarettes:speed_eliquid", {
    description = "E-Cigarette Speed Liquid",
    inventory_image = "ecigarettes_eliquid_speed.png",
})

minetest.register_craft({
output = "ecigarettes:ecigarette",
recipe = {
{"", "ecigarettes:speed_eliquid", ""},
{"", "default:steel_ingot", ""},
{"", "", ""},
},

})

minetest.register_craft({
output = "ecigarettes:speed_eliquid",
recipe = {
{"", "default:obsidian_shard", ""},
{"", "default:steel_ingot", ""},
{"", "", ""},
},

})