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local function escape_texture(str)
return str:gsub("[%[%()^:]", "\\%1")
end
departureboards = {}
departureboards.contents = {}
local cts = departureboards.contents
local function render_depboard(pos, objref)
local c = cts[minetest.hash_node_position(pos)]
local meta = minetest.get_meta(pos)
local changed = false
local tb = {}
if meta then
tb = minetest.deserialize(meta:get_string("contents") or "") or {}
if not c then
c = tb
end
for k,v in pairs(c) do
if not tb[k] or tb[k] ~= v then
changed = true
end
tb[k] = tostring(v)
end
meta:set_string("contents", minetest.serialize(tb))
end
if not c then
c = {}
end
local font = font_api.get_font("metro")
local line = font:render(tb.line or "", font:get_height(1)*15, font:get_height(1), {halign="left", color=tb.lfg or "#ff0000"})
local dest = font:render(tb.dest or "", font:get_height(1)*15, font:get_height(1), {halign="left", color="#ffffff"})
local remark = font:render(tb.rem or "", font:get_height(1)*15, font:get_height(1), {halign="left", color=tb.remcolor or "#ff0000"})
local m = font:render(tb.m or "", font:get_height(1)*15, font:get_height(1), {halign="left", color="#ffffff"})
local s = font:render(tb.s or "", font:get_height(1)*15, font:get_height(1), {halign="left", color="#ffffff"})
local line_color = tb.lbg or "#00ffff"
local delay = 0
if changed then
delay = 1 -- add here splitflap sound
end
objref:set_properties({ is_visible=false })
minetest.after(delay, function () objref:set_properties({ textures= {"[combine:256x256:0,0=departureboards_station_sign.png\\^(departureboards_line_bg.png\\^\\[colorize\\:"..line_color.."\\:150)\\^\\[resize\\:256x256:200,100="..escape_texture(line)..":10,100="..escape_texture(dest)..":200,127="..escape_texture(m)..":228,127="..escape_texture(s)..":10,127="..escape_texture(remark)},
visual_size = {x=3, y=3}, is_visible=true }) end)
end
local function on_digiline_receive(pos, _, channel, msg)
cts[minetest.hash_node_position(pos)] = msg
display_api.update_entities(pos)
end
display_api.register_display_entity("departureboards:display")
minetest.register_node("departureboards:departureboard", {
sunlight_propagates = true,
paramtype = "light",
paramtype2 = "facedir",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {-3/6, -1/6, 0.5/3,
3/6, 1/6, 0.5/3 - 0.03},
},
selection_box = {
type = "fixed",
fixed={-1.5,-1/2, 0.5, 1.5, 1/2, 0.5-0.1}},
visual_scale=3,
tiles = { "default_steel_block.png", "default_steel_block.png",
"default_steel_block.png", "default_steel_block.png", "default_steel_block.png",
{name="departureboards_animation_frames.png", animation={type="vertical_frames", aspect_w=96, aspect_h=96, length=1.0}}},
groups = {choppy=2, dig_immediate=2, not_blocking_trains=1, display_api=1},
sounds = default.node_sound_defaults(),
display_entities = {
["departureboards:display"] = {
on_display_update = render_depboard,
depth = 0.5 - display_api.entity_spacing - 0.1,
size = { x = 3, y = 1 },
aspect_ratio = 1/2,
maxlines = 1,
},
},
light_source = 3,
on_place = display_api.on_place,
on_construct = function(pos)
local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
local meta = minetest.get_meta(pos)
meta:set_string("contents", minetest.serialize({}))
meta:set_string("formspec", "field[channel;Channel;${channel}]")
display_api.on_construct(pos)
end,
on_destruct = display_api.on_destruct,
on_rotate = signs_api.on_rotate,
on_receive_fields = function(pos, _, 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
return
end
if (fields.channel) then
minetest.get_meta(pos):set_string("channel", fields.channel)
end
end,
on_punch = function(pos, node, player, pointed_thing)
display_api.update_entities(pos)
end,
digiline = {
receptor = {},
effector = {
action = on_digiline_receive
},
},
})
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