-- change the formspec style used in fs_decorated.lua

-- because the player may have wandered off from his NPC and get too many messages
-- without a quick way to get rid of them otherwise
minetest.register_chatcommand( 'npc_talk_style', {
	description = "This command sets your formspec version "..
				"for the yl_speak_up NPC to value <version>.\n"..
				"  Version 1: For very old clients. Not recommended.\n"..
				"  Version 2: Adds extra scroll buttons. Perhaps you like this more.\n"..
				"  Version 3: Default version.",
	privs = {},
	func = function(pname, param)
		-- set a default value
		if(not(yl_speak_up.fs_version[pname])) then
			yl_speak_up.fs_version[pname] = 3
		end
		if(param and param == "1") then
			yl_speak_up.fs_version[pname] = 1
		elseif(param and param == "2") then
			yl_speak_up.fs_version[pname] = 2
		elseif(param and param == "3") then
			yl_speak_up.fs_version[pname] = 3
		else
			minetest.chat_send_player(pname, "This command sets your formspec version "..
				"for the yl_speak_up NPC to value <version>.\n"..
				"  Version 1: For very old clients. Not recommended.\n"..
				"  Version 2: Adds extra scroll buttons.\n"..
				"  Version 3: Default (recommended) version.")
		end
		minetest.chat_send_player(pname, "Your formspec version for the yl_speak_up NPC "..
			"has been set to version "..tostring(yl_speak_up.fs_version[pname])..
			" for this session.")
	end
	})