yl_speak_up.allow_staff_use = function(itemstack, user, pointed_thing)
	local has_priv = minetest.check_player_privs(user, {npc_master=true})
	local p_name = user:get_player_name()

	if not has_priv then
		minetest.chat_send_player(p_name,yl_speak_up.message_tool_taken_because_of_lacking_priv)
		-- no special NPC involved
		yl_speak_up.log_change(p_name, nil,
			"User "..p_name..
			" used an admin item: "..itemstack:get_name()..
			" at pos "..minetest.pos_to_string(user:get_pos(),0),
			"action")
		itemstack:take_item(1)
		return
	end

	if (pointed_thing.type ~= "object") then
		return
	end

	local obj = pointed_thing.ref
	local luaentity = obj:get_luaentity()

	-- Is the thing we clicked really one of our NPCs?
	if not(luaentity) or (luaentity and not(luaentity.yl_speak_up)) then
		return
	end
	return obj
end


minetest.register_tool("yl_speak_up:staff_of_i_said_so", {
	description = "Staff of I-said-so",
	inventory_image = "yl_speak_up_staff_of_i_said_so.png",
	on_use = function(itemstack, user, pointed_thing)

		local obj = yl_speak_up.allow_staff_use(itemstack, user, pointed_thing)
		if(not(obj)) then
			return itemstack
		end

		yl_speak_up.config(user, obj)
		return itemstack
	end
})

minetest.register_tool("yl_speak_up:staff_of_shut_up", {
	description = "Staff of shut-up",
	inventory_image = "yl_speak_up_staff_of_shut_up.png",
	on_use = function(itemstack, user, pointed_thing)
		
		local obj = yl_speak_up.allow_staff_use(itemstack, user, pointed_thing)
		if(not(obj)) then
			return itemstack
		end

		local p_name = user:get_player_name()
		yl_speak_up.set_muted(p_name, obj, true)

		return itemstack
	end
})

minetest.register_tool("yl_speak_up:staff_of_dawai_dawai", {
	description = "Staff of dawai-dawai",
	inventory_image = "yl_speak_up_staff_of_dawai_dawai.png",
	on_use = function(itemstack, user, pointed_thing)
		
		local obj = yl_speak_up.allow_staff_use(itemstack, user, pointed_thing)
		if(not(obj)) then
			return itemstack
		end

		local p_name = user:get_player_name()
		yl_speak_up.set_muted(p_name, obj, false)

		return itemstack
	end
})

minetest.register_tool("yl_speak_up:staff_of_game_over", {
	description = "Staff of game-over",
	inventory_image = "yl_speak_up_staff_of_game_over.png",
	on_use = function(itemstack, user, pointed_thing)
		
		local obj = yl_speak_up.allow_staff_use(itemstack, user, pointed_thing)
		if(not(obj)) then
			return itemstack
		end

		local p_name = user:get_player_name()
		local luaentity = obj:get_luaentity()
		local npc = luaentity.yl_speak_up.id

		minetest.chat_send_player(p_name,"NPC with ID n_"..npc.." removed from position "..
			minetest.pos_to_string(obj:get_pos(),0).." on command of "..p_name)
		yl_speak_up.log_change(p_name, "n_"..tostring(npc),
			"removed with Staff of game-over")
		obj:remove()
		return itemstack
	end
})

minetest.register_tool("yl_speak_up:staff_of_fashion", {
	description = "Staff of fashion",
	inventory_image = "yl_speak_up_staff_of_fashion.png",
	on_use = function(itemstack, user, pointed_thing)
		
		local obj = yl_speak_up.allow_staff_use(itemstack, user, pointed_thing)
		if(not(obj)) then
			return itemstack
		end

		local p_name = user:get_player_name()
		local luaentity = obj:get_luaentity()
		local npc = luaentity.yl_speak_up.id

		yl_speak_up.fashion(user, obj)
		minetest.chat_send_player(p_name,"NPC with ID n_"..npc.." will redress at pos "..
			minetest.pos_to_string(obj:get_pos(),0).." on command of "..p_name)
		yl_speak_up.log_change(p_name, "n_"..tostring(npc),
			"changed skin with Staff of fashion")
		return itemstack
	end
})