get_luaentity.lua

function throwing_shoot_arrow (itemstack, player, stiffness, is_cross)
	if not player then
		return
	end
	local arrow = itemstack:get_metadata()
	itemstack:set_metadata("")
	player:set_wielded_item(itemstack)
	local playerpos = player:getpos()
	print(dump(minetest.luaentities))
	local obj = minetest.add_entity({x=playerpos.x,y=playerpos.y+1.5,z=playerpos.z}, arrow)
	if not obj then
		minetest.chat_send_player(player:get_player_name(), "Error! Failed to create arrow.")
		return
	end
	print(dump(minetest.luaentities))
	local dir = player:get_look_dir()
	obj:setvelocity({x=dir.x*stiffness, y=dir.y*stiffness, z=dir.z*stiffness})
	obj:setacceleration({x=dir.x*-3, y=-8.5, z=dir.z*-3})
	obj:setyaw(player:get_look_yaw()+math.pi)
	if is_cross then
		minetest.sound_play("throwing_crossbow_sound", {pos=playerpos})
	else
		minetest.sound_play("throwing_bow_sound", {pos=playerpos})
	end
	local le = obj:get_luaentity()
	if le then
		le.player = player
		le.inventory = player:get_inventory()
		le.stack = player:get_inventory():get_stack("main", player:get_wield_index()-1)
		print("le")
	else
		print("no le")
	end
	return true
end

gistfile1.txt

2015-11-19 17:38:27: ACTION[Server]: rubenwardy uses throwing:longbow_loaded, pointing at [nothing]
{
	[2] = {
		object = <userdata>,
		itemstring = "throwing:arrow_stone",
		age = 222.19999898225,
		physical_state = false
	},
	[3] = {
		object = <userdata>,
		itemstring = "throwing:arrow_obsidian",
		age = 496.99999548494,
		physical_state = false
	},
	[5] = {
		object = <userdata>,
		itemstring = "throwing:arrow_steel",
		age = 8.400000333786,
		physical_state = false
	},
	[7] = {
		object = <userdata>,
		itemstring = "throwing:arrow_steel",
		age = 3.6000002622604,
		physical_state = false
	},
	[8] = {
		object = <userdata>,
		stack = <userdata>,
		player = <userdata>,
		inventory = <userdata>
	}
}
2015-11-19 17:38:27: ERROR[Server]: LuaEntity name "" not defined
{
	[2] = {
		object = <userdata>,
		itemstring = "throwing:arrow_stone",
		age = 222.19999898225,
		physical_state = false
	},
	[3] = {
		object = <userdata>,
		itemstring = "throwing:arrow_obsidian",
		age = 496.99999548494,
		physical_state = false
	},
	[5] = {
		object = <userdata>,
		itemstring = "throwing:arrow_steel",
		age = 8.400000333786,
		physical_state = false
	},
	[7] = {
		object = <userdata>,
		itemstring = "throwing:arrow_steel",
		age = 3.6000002622604,
		physical_state = false
	},
	[8] = {
		object = <userdata>,
		stack = <userdata>,
		player = <userdata>,
		inventory = <userdata>
	}
}
no le