nic.lua

local http = ...
minetest.register_node("digistuff:nic", {
	description = "Digilines NIC",
	groups = {cracky=3},
	is_ground_content = false,
	on_construct = function(pos)
		local meta = minetest.get_meta(pos)
		meta:set_string("formspec","field[channel;Channel;${channel}")
	end,
	tiles = {
		"digistuff_nic_top.png",
		"jeija_microcontroller_bottom.png",
		"jeija_microcontroller_sides.png",
		"jeija_microcontroller_sides.png",
		"jeija_microcontroller_sides.png",
		"jeija_microcontroller_sides.png"
	},
	inventory_image = "digistuff_nic_top.png",
	drawtype = "nodebox",
	selection_box = {
		--From luacontroller
		type = "fixed",
		fixed = { -8/16, -8/16, -8/16, 8/16, -5/16, 8/16 },
	},
	_digistuff_channelcopier_fieldname = "channel",
	node_box = {
		--From Luacontroller
		type = "fixed",
		fixed = {
			{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16}, -- Bottom slab
			{-5/16, -7/16, -5/16, 5/16, -6/16, 5/16}, -- Circuit board
			{-3/16, -6/16, -3/16, 3/16, -5/16, 3/16}, -- IC
		}
	},
	paramtype = "light",
	sunlight_propagates = true,
	on_receive_fields = function(pos, formname, fields, sender)
		local name = sender:get_player_name()
		if minetest.is_protected(pos,name) and not minetest.check_player_privs(name,{protection_bypass=true}) then
			minetest.record_protection_violation(pos,name)
			return
		end
		local meta = minetest.get_meta(pos)
		if fields.channel then meta:set_string("channel",fields.channel) end
	end,
	digiline = {
		receptor = {},
		effector = {
			action = function(pos,node,channel,msg)
					local meta = minetest.get_meta(pos)
					if meta:get_string("channel") ~= channel then return end
					local url
					local parse_json = false
					-- parse message
					if type(msg) == "string" then
						-- simple string data
						url = msg
					elseif type(msg) == "table" and type(msg.url) == "string" then
						-- config object
						url = msg.url
						parse_json = msg.parse_json
					else
						-- not supported
						return
					end
					http.fetch({
							url = url,
							timeout = 5,
							user_agent = "Minetest Digilines Modem"
						},
						function(res)
							if type(res.data) == "string" and parse_json then
								-- parse json data and replace payload
								res.data = minetest.parse_json(res.data)
							end
							digilines.receptor_send(pos, digilines.rules.default, channel, res)
						end)
				end
		},
	},
})
minetest.register_craft({
	output = "digistuff:nic",
	recipe = {
		{"","","mesecons:wire_00000000_off"},
		{"digilines:wire_std_00000000","mesecons_luacontroller:luacontroller0000","mesecons:wire_00000000_off"}
	}
})