forked from mtcontrib/led_marquee
206 lines
6.3 KiB
Lua
206 lines
6.3 KiB
Lua
-- simple LED marquee mod
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-- by Vanessa Dannenberg
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local S
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if minetest.get_modpath("intllib") then
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S = intllib.make_gettext_pair()
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else
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S = function(s) return s end
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end
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-- the following functions based on the so-named ones in Jeija's digilines mod
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local reset_meta = function(pos)
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minetest.get_meta(pos):set_string("formspec", "field[channel;Channel;${channel}]")
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end
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local on_digiline_receive_std = function(pos, node, channel, msg)
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local meta = minetest.get_meta(pos)
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local setchan = meta:get_string("channel")
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if setchan ~= channel then return end
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local num = tonumber(msg)
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if msg == "colon" or msg == "period" or msg == "off" or (num and (num >= 0 and num <= 9)) then
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minetest.swap_node(pos, { name = "led_marquee:marquee_"..msg, param2 = node.param2})
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end
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end
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-- the nodes:
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local fdir_to_right = {
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{ 0, -1 },
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{ 0, -1 },
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{ 0, -1 },
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{ 0, 1 },
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{ 1, 0 },
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{ -1, 0 },
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}
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local cbox = {
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type = "wallmounted",
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wall_top = { -8/16, 7/16, -8/16, 8/16, 8/16, 8/16 },
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wall_bottom = { -8/16, -8/16, -8/16, 8/16, -7/16, 8/16 },
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wall_side = { -8/16, -8/16, -8/16, -7/16, 8/16, 8/16 }
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}
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local padding = " "
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local allon = string.char(128)
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for i = 1, 64 do
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padding = padding.." "
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allon = allon..string.char(144)
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end
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local display_string = function(pos, channel, string)
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if string == "off_multi" then
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string = ""
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elseif string == "allon_multi" then
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string = allon
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end
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local padded_string = string.sub(string..padding, 1, 64)
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local master_fdir = minetest.get_node(pos).param2 % 8
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local master_meta = minetest.get_meta(pos)
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local last_color = master_meta:get_int("last_color")
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local pos2 = pos
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if not last_color or last_color < 0 or last_color > 30 then
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last_color = 0
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master_meta:set_int("last_color", 0)
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end
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for i = 1, 64 do
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local node = minetest.get_node(pos2)
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local fdir = node.param2 % 8
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local meta = minetest.get_meta(pos2)
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local setchan = meta:get_string("channel")
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if not string.match(node.name, "led_marquee:char_") or (setchan ~= nil and setchan ~= "" and setchan ~= channel) then break end
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local asc = string.byte(padded_string, i, i)
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if master_fdir == fdir and asc > 30 and asc < 256 then
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minetest.swap_node(pos2, { name = "led_marquee:char_"..asc, param2 = master_fdir + (last_color*8)})
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pos2.x = pos2.x + fdir_to_right[fdir+1][1]
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pos2.z = pos2.z + fdir_to_right[fdir+1][2]
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elseif asc < 31 then
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last_color = asc
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master_meta:set_int("last_color", asc)
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end
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end
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end
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local on_digiline_receive_string = function(pos, node, channel, msg)
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local meta = minetest.get_meta(pos)
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local setchan = meta:get_string("channel")
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local last_color = meta:get_int("last_color")
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if not last_color or last_color < 0 or last_color > 30 then
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last_color = 0
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meta:set_int("last_color", 0)
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end
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local fdir = node.param2 % 8
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if setchan ~= channel then return end
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if msg and msg ~= "" and type(msg) == "string" then
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if string.len(msg) > 1 then
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if msg == "off" then
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minetest.swap_node(pos, { name = "led_marquee:char_32", param2 = fdir + (last_color*8)})
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elseif msg == "colon" then
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minetest.swap_node(pos, { name = "led_marquee:char_58", param2 = fdir + (last_color*8)})
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elseif msg == "period" then
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minetest.swap_node(pos, { name = "led_marquee:char_46", param2 = fdir + (last_color*8)})
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elseif msg == "del" then
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minetest.swap_node(pos, { name = "led_marquee:char_127", param2 = fdir + (last_color*8)})
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elseif msg == "allon" then
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minetest.swap_node(pos, { name = "led_marquee:char_144", param2 = fdir + (last_color*8)})
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elseif msg == "cursor" then
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minetest.swap_node(pos, { name = "led_marquee:char_31", param2 = fdir + (last_color*8)})
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else
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display_string(pos, channel, msg)
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end
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else
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local asc = string.byte(msg)
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if asc > 30 and asc < 256 then
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minetest.swap_node(pos, { name = "led_marquee:char_"..asc, param2 = fdir + (last_color*8)})
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elseif asc < 31 then
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last_color = asc
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meta:set_int("last_color", asc)
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elseif msg == "get" then -- get value as ASCII numerical value
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digiline:receptor_send(pos, digiline.rules.default, channel, tonumber(string.match(minetest.get_node(pos).name,"led_marquee:char_(.+)"))) -- wonderfully horrible string manipulaiton
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elseif msg == "getstr" then -- get actual char
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digiline:receptor_send(pos, digiline.rules.default, channel, string.char(tonumber(string.match(minetest.get_node(pos).name,"led_marquee:char_(.+)"))))
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end
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end
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elseif msg and type(msg) == "number" then
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if msg == 0 then
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minetest.swap_node(pos, { name = "led_marquee:char_32", param2 = fdir + (last_color*8)})
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elseif msg > 30 then
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minetest.swap_node(pos, { name = "led_marquee:char_"..tostring(msg), param2 = fdir + (last_color*8)})
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end
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end
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end
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for i = 31, 255 do
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local groups = { cracky = 2, not_in_creative_inventory = 1}
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local light = LIGHT_MAX-2
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local description = S("Alphanumeric LED marquee panel ("..i..")")
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local tiles = {
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{ name="led_marquee_base.png", color="white"},
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{ name="led_marquee_leds_off.png", color="white"},
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"led_marquee_char_"..i..".png",
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}
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if i == 31 then
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tiles = {
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{ name="led_marquee_base.png", color="white"},
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{ name="led_marquee_leds_off.png", color="white"},
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{
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name = "led_marquee_char_31.png",
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animation = {type = "vertical_frames", aspect_w = 32, aspect_h = 32, length = 0.75}
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}
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}
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end
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if i == 32 then
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groups = {cracky = 2}
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light = nil
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description = S("Alphanumeric LED marquee panel")
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end
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minetest.register_node("led_marquee:char_"..i, {
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description = description,
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drawtype = "mesh",
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mesh = "led_marquee.obj",
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tiles = tiles,
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palette="led_marquee_palette.png",
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use_texture_alpha = true,
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groups = groups,
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paramtype = "light",
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paramtype2 = "colorwallmounted",
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light_source = light,
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selection_box = cbox,
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node_box = cbox,
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on_construct = function(pos)
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reset_meta(pos)
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end,
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on_receive_fields = function(pos, formname, fields, sender)
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if (fields.channel) then
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minetest.get_meta(pos):set_string("channel", fields.channel)
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end
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end,
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digiline = {
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receptor = {},
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effector = {
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action = on_digiline_receive_string,
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},
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},
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drop = "led_marquee:char_32"
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})
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end
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-- crafts
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minetest.register_craft({
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output = "led_marquee:char_32 6",
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recipe = {
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{ "default:glass", "default:glass", "default:glass" },
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{ "mesecons_lamp:lamp_off", "mesecons_lamp:lamp_off", "mesecons_lamp:lamp_off" },
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{ "group:wood", "mesecons_microcontroller:microcontroller0000", "group:wood" }
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},
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})
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