форк від mtcontrib/led_marquee
467 рядки
12 KiB
Lua
467 рядки
12 KiB
Lua
-- simple LED marquee mod
|
|
-- by Vanessa Dannenberg
|
|
|
|
led_marquee = {}
|
|
led_marquee.scheduled_messages = {}
|
|
|
|
-- settings
|
|
led_marquee.message_minimum_time = tonumber(minetest.settings:get("led_marquee_message_minimum_time")) or 0.5
|
|
led_marquee.message_schedule_dtime = tonumber(minetest.settings:get("led_marquee_message_schedule_dtime")) or 0.2
|
|
led_marquee.message_schedule_size = tonumber(minetest.settings:get("led_marquee_message_schedule_size")) or 10
|
|
|
|
led_marquee.relay_timer = 0
|
|
|
|
local S = minetest.get_translator(minetest.get_current_modname())
|
|
local FS = function(...) return minetest.formspec_escape(S(...)) end
|
|
|
|
local color_to_char = {
|
|
"0",
|
|
"1",
|
|
"2",
|
|
"3",
|
|
"4",
|
|
"5",
|
|
"6",
|
|
"7",
|
|
"8",
|
|
"9",
|
|
"A",
|
|
"B",
|
|
"C",
|
|
"D",
|
|
"E",
|
|
"F",
|
|
"G",
|
|
"H",
|
|
"I",
|
|
"J",
|
|
"K",
|
|
"L",
|
|
"M",
|
|
"N",
|
|
"O",
|
|
"P",
|
|
"Q",
|
|
"R"
|
|
}
|
|
|
|
local char_to_color = {
|
|
["0"] = 0,
|
|
["1"] = 1,
|
|
["2"] = 2,
|
|
["3"] = 3,
|
|
["4"] = 4,
|
|
["5"] = 5,
|
|
["6"] = 6,
|
|
["7"] = 7,
|
|
["8"] = 8,
|
|
["9"] = 9,
|
|
|
|
["A"] = 10,
|
|
["B"] = 11,
|
|
["C"] = 12,
|
|
["D"] = 13,
|
|
["E"] = 14,
|
|
["F"] = 15,
|
|
["G"] = 16,
|
|
["H"] = 17,
|
|
["I"] = 18,
|
|
["J"] = 19,
|
|
["K"] = 20,
|
|
["L"] = 21,
|
|
["M"] = 22,
|
|
["N"] = 23,
|
|
["O"] = 24,
|
|
["P"] = 25,
|
|
["Q"] = 26,
|
|
["R"] = 27,
|
|
|
|
["a"] = 10,
|
|
["b"] = 11,
|
|
["c"] = 12,
|
|
["d"] = 13,
|
|
["e"] = 14,
|
|
["f"] = 15,
|
|
["g"] = 16,
|
|
["h"] = 17,
|
|
["i"] = 18,
|
|
["j"] = 19,
|
|
["k"] = 20,
|
|
["l"] = 21,
|
|
["m"] = 22,
|
|
["n"] = 23,
|
|
["o"] = 24,
|
|
["p"] = 25,
|
|
["q"] = 26,
|
|
["r"] = 27
|
|
|
|
}
|
|
|
|
-- the following functions based on the so-named ones in Jeija's digilines mod
|
|
|
|
local reset_meta = function(pos)
|
|
minetest.get_meta(pos):set_string("formspec",
|
|
"formspec_version[4]"..
|
|
"size[8,4]"..
|
|
"button_exit[3,2.5;2,0.5;proceed;"..FS("Proceed").."]"..
|
|
"field[1.75,1.5;4.5,0.5;channel;"..FS("Channel")..";${channel}]"
|
|
)
|
|
end
|
|
|
|
-- convert Lua's idea of a UTF-8 char to ISO-8859-1
|
|
local get_iso = function(c)
|
|
local hb = string.byte(c,1) or 0
|
|
local lb = string.byte(c,2) or 0
|
|
local dec = lb+hb*256
|
|
local char = dec - 49664
|
|
if dec > 49855 then char = dec - 49856 end
|
|
return char
|
|
end
|
|
|
|
local make_iso = function(s)
|
|
local i = 1
|
|
local s2 = ""
|
|
while i <= string.len(s) do
|
|
if string.byte(s,i) > 159 then
|
|
local ciso = get_iso(string.sub(s, i, i+1))
|
|
if ciso >= 0 and ciso < 256 then
|
|
s2 = s2..string.char(ciso)
|
|
else
|
|
s2 = s2..string.char(127)
|
|
end
|
|
i = i + 2
|
|
else
|
|
s2 = s2..string.sub(s, i, i)
|
|
i = i + 1
|
|
end
|
|
end
|
|
return s2
|
|
end
|
|
|
|
-- scrolling
|
|
|
|
led_marquee.set_timer = function(pos, timeout)
|
|
local timer = minetest.get_node_timer(pos)
|
|
timer:stop()
|
|
if not timeout or timeout < led_marquee.message_minimum_time or timeout > 5 then return false end
|
|
|
|
if timeout > 0 then
|
|
local meta = minetest.get_meta(pos)
|
|
meta:set_int("timeout", timeout)
|
|
timer:start(timeout)
|
|
end
|
|
end
|
|
|
|
led_marquee.scroll_text = function(pos, elapsed, skip)
|
|
skip = skip or 1
|
|
local meta = minetest.get_meta(pos)
|
|
local msg = meta:get_string("last_msg")
|
|
local channel = meta:get_string("channel")
|
|
local index = meta:get_int("index")
|
|
local color = meta:get_int("last_color")
|
|
local colorchar = color_to_char[color+1]
|
|
if not index or index < 1 then index = 1 end
|
|
local len = string.len(msg)
|
|
index = index + skip
|
|
if index > len then index = 1 end
|
|
|
|
-- search backward to find the most recent color code in the string
|
|
local r = index
|
|
while r > 0 and not string.match(string.sub(msg, r, r+1), "/[0-9A-Ra-r]") do
|
|
r = r - 1
|
|
end
|
|
if r == 0 then r = 1 end
|
|
if string.match(string.sub(msg, r, r+1), "/[0-9A-Ra-r]") then
|
|
colorchar = string.sub(msg, r+1, r+1)
|
|
end
|
|
|
|
-- search forward to find the next printable symbol after the current index
|
|
local f = index
|
|
while f < len do
|
|
if string.match(string.sub(msg, f-1, f), "/[0-9A-Ra-r]") then
|
|
f = f + 2
|
|
else
|
|
break
|
|
end
|
|
end
|
|
led_marquee.schedule_msg(pos, channel, "/"..colorchar..string.sub(msg, f)..string.rep(" ", skip + 1))
|
|
|
|
meta:set_int("index", f)
|
|
if not elapsed or elapsed < 0.2 then return false end
|
|
return true
|
|
end
|
|
|
|
-- the nodes:
|
|
|
|
local fdir_to_right = {
|
|
{ 0, -1 },
|
|
{ 0, -1 },
|
|
{ 0, -1 },
|
|
{ 0, 1 },
|
|
{ 1, 0 },
|
|
{ -1, 0 },
|
|
}
|
|
|
|
local cbox = {
|
|
type = "wallmounted",
|
|
wall_top = { -8/16, 7/16, -8/16, 8/16, 8/16, 8/16 },
|
|
wall_bottom = { -8/16, -8/16, -8/16, 8/16, -7/16, 8/16 },
|
|
wall_side = { -8/16, -8/16, -8/16, -7/16, 8/16, 8/16 }
|
|
}
|
|
|
|
led_marquee.decode_color = function(msg)
|
|
|
|
end
|
|
|
|
minetest.register_globalstep(function(dtime)
|
|
if dtime <= led_marquee.message_schedule_dtime
|
|
and (#led_marquee.scheduled_messages) > 0 then
|
|
led_marquee.display_msg(
|
|
led_marquee.scheduled_messages[1].pos,
|
|
led_marquee.scheduled_messages[1].channel,
|
|
led_marquee.scheduled_messages[1].msg
|
|
)
|
|
end
|
|
table.remove(led_marquee.scheduled_messages, 1)
|
|
end)
|
|
|
|
led_marquee.schedule_msg = function(pos, channel, msg)
|
|
local idx = #led_marquee.scheduled_messages
|
|
led_marquee.scheduled_messages[idx+1] = { pos=pos, channel=channel, msg=msg }
|
|
|
|
if idx >= led_marquee.message_schedule_size then
|
|
table.remove(led_marquee.scheduled_messages, 1)
|
|
end
|
|
end
|
|
|
|
led_marquee.display_msg = function(pos, channel, msg)
|
|
msg = string.sub(msg, 1, 6144).." "
|
|
if string.sub(msg,1,1) == string.char(255) then -- treat it as incoming UTF-8
|
|
msg = make_iso(string.sub(msg, 2, 6144))
|
|
end
|
|
|
|
local master_fdir = minetest.get_node(pos).param2 % 8
|
|
local master_meta = minetest.get_meta(pos)
|
|
local last_color = master_meta:get_int("last_color")
|
|
local pos2 = table.copy(pos)
|
|
if not last_color or last_color < 0 or last_color > 27 then
|
|
last_color = 0
|
|
master_meta:set_int("last_color", 0)
|
|
end
|
|
local i = 1
|
|
local len = string.len(msg)
|
|
local wrapped = nil
|
|
while i <= len do
|
|
local node = minetest.get_node(pos2)
|
|
local fdir = node.param2 % 8
|
|
local meta = minetest.get_meta(pos2)
|
|
local setchan = nil
|
|
if meta then setchan = meta:get_string("channel") end
|
|
local asc = string.byte(msg, i, i)
|
|
if not string.match(node.name, "led_marquee:char_") then
|
|
if not wrapped then
|
|
pos2.x = pos.x
|
|
pos2.y = pos2.y-1
|
|
pos2.z = pos.z
|
|
wrapped = true
|
|
else
|
|
break
|
|
end
|
|
elseif string.match(node.name, "led_marquee:char_")
|
|
and fdir ~= master_fdir or (setchan ~= nil and setchan ~= "" and setchan ~= channel) then
|
|
break
|
|
elseif asc == 10 then
|
|
pos2.x = pos.x
|
|
pos2.y = pos2.y-1
|
|
pos2.z = pos.z
|
|
i = i + 1
|
|
wrapped = nil
|
|
elseif asc == 29 then
|
|
local c = string.byte(msg, i+1, i+1) or 0
|
|
local r = string.byte(msg, i+2, i+2) or 0
|
|
pos2.x = pos.x + (fdir_to_right[fdir+1][1])*c
|
|
pos2.y = pos.y - r
|
|
pos2.z = pos.z + (fdir_to_right[fdir+1][2])*c
|
|
i = i + 3
|
|
wrapped = nil
|
|
elseif asc == 30 then -- translate to slash for printing
|
|
minetest.swap_node(pos2, { name = "led_marquee:char_47", param2 = master_fdir + (last_color*8)})
|
|
pos2.x = pos2.x + fdir_to_right[fdir+1][1]
|
|
pos2.z = pos2.z + fdir_to_right[fdir+1][2]
|
|
i = i + 1
|
|
elseif asc == 47 then -- slash
|
|
local ccode = string.sub(msg, i+1, i+1)
|
|
if ccode then
|
|
if char_to_color[ccode] then
|
|
last_color = char_to_color[ccode]
|
|
i = i + 2
|
|
else
|
|
minetest.swap_node(pos2, { name = "led_marquee:char_47", param2 = master_fdir + (last_color*8)})
|
|
pos2.x = pos2.x + fdir_to_right[fdir+1][1]
|
|
pos2.z = pos2.z + fdir_to_right[fdir+1][2]
|
|
i = i + 1
|
|
end
|
|
end
|
|
master_meta:set_int("last_color", last_color)
|
|
wrapped = nil
|
|
elseif asc > 30 and asc < 256 then
|
|
minetest.swap_node(pos2, { name = "led_marquee:char_"..asc, param2 = master_fdir + (last_color*8)})
|
|
pos2.x = pos2.x + fdir_to_right[fdir+1][1]
|
|
pos2.z = pos2.z + fdir_to_right[fdir+1][2]
|
|
i = i + 1
|
|
wrapped = nil
|
|
else
|
|
i = i + 1
|
|
end
|
|
end
|
|
end
|
|
|
|
local on_digiline_receive_string = function(pos, node, channel, msg)
|
|
local meta = minetest.get_meta(pos)
|
|
local setchan = meta:get_string("channel")
|
|
local last_color = meta:get_int("last_color")
|
|
if not last_color or last_color < 0 or last_color > 27 then
|
|
last_color = 0
|
|
meta:set_int("last_color", 0)
|
|
end
|
|
local fdir = node.param2 % 8
|
|
|
|
if setchan ~= channel then return end
|
|
if msg and msg ~= "" and type(msg) == "string" then
|
|
if string.len(msg) > 1 then
|
|
if msg == "clear" then
|
|
led_marquee.set_timer(pos, 0)
|
|
msg = string.rep(" ", 2048)
|
|
meta:set_string("last_msg", msg)
|
|
led_marquee.schedule_msg(pos, channel, msg)
|
|
meta:set_int("index", 1)
|
|
elseif msg == "allon" then
|
|
led_marquee.set_timer(pos, 0)
|
|
msg = string.rep(string.char(144), 2048)
|
|
meta:set_string("last_msg", msg)
|
|
led_marquee.schedule_msg(pos, channel, msg)
|
|
meta:set_int("index", 1)
|
|
elseif msg == "start_scroll" then
|
|
local timeout = meta:get_int("timeout")
|
|
led_marquee.set_timer(pos, timeout)
|
|
elseif msg == "stop_scroll" then
|
|
led_marquee.set_timer(pos, 0)
|
|
return
|
|
elseif string.sub(msg, 1, 12) == "scroll_speed" then
|
|
local timeout = tonumber(string.sub(msg, 13)) or 0
|
|
led_marquee.set_timer(pos, math.max(timeout, led_marquee.message_minimum_time))
|
|
elseif string.sub(msg, 1, 11) == "scroll_step" then
|
|
local skip = tonumber(string.sub(msg, 12))
|
|
led_marquee.scroll_text(pos, nil, skip)
|
|
elseif msg == "get" then -- get the master panel's displayed char as ASCII numerical value
|
|
digilines.receptor_send(pos, digilines.rules.default, channel,
|
|
tonumber(string.match(minetest.get_node(pos).name,"led_marquee:char_(.+)")))
|
|
elseif msg == "getstr" then -- get the last stored message
|
|
digilines.receptor_send(pos, digilines.rules.default, channel, meta:get_string("last_msg"))
|
|
elseif msg == "getindex" then -- get the scroll index
|
|
digilines.receptor_send(pos, digilines.rules.default, channel, meta:get_int("index"))
|
|
else
|
|
msg = string.gsub(msg, "//", string.char(30))
|
|
led_marquee.set_timer(pos, 0)
|
|
local last_msg = meta:get_string("last_msg")
|
|
meta:set_string("last_msg", msg)
|
|
led_marquee.schedule_msg(pos, channel, msg)
|
|
if last_msg ~= msg then
|
|
meta:set_int("index", 1)
|
|
end
|
|
end
|
|
else
|
|
local asc = string.byte(msg)
|
|
if asc > 30 and asc < 256 then
|
|
minetest.swap_node(pos, { name = "led_marquee:char_"..asc, param2 = fdir + (last_color*8)})
|
|
meta:set_string("last_msg", tostring(msg))
|
|
meta:set_int("index", 1)
|
|
end
|
|
end
|
|
elseif msg and type(msg) == "number" then
|
|
meta:set_string("last_msg", tostring(msg))
|
|
led_marquee.schedule_msg(pos, channel, tostring(msg))
|
|
meta:set_int("index", 1)
|
|
end
|
|
end
|
|
|
|
-- the nodes!
|
|
|
|
for i = 31, 255 do
|
|
local groups = { cracky = 2, not_in_creative_inventory = 1}
|
|
local light = minetest.LIGHT_MAX-2
|
|
local description = S("LED marquee panel (@1)", i)
|
|
local leds = "led_marquee_char_"..i..".png^[mask:led_marquee_leds_on.png"
|
|
|
|
if i == 31 then
|
|
leds ={
|
|
name = "led_marquee_char_31.png^[mask:led_marquee_leds_on_cursor.png",
|
|
animation = {type = "vertical_frames", aspect_w = 32, aspect_h = 32, length = 0.75}
|
|
}
|
|
end
|
|
|
|
local wimage
|
|
|
|
if i == 32 then
|
|
groups = {cracky = 2}
|
|
light = nil
|
|
description = S("LED marquee panel")
|
|
wimage = "led_marquee_leds_off.png^(led_marquee_char_155.png^[multiply:red)"
|
|
end
|
|
|
|
minetest.register_node("led_marquee:char_"..i, {
|
|
description = description,
|
|
drawtype = "mesh",
|
|
mesh = "led_marquee.obj",
|
|
tiles = {
|
|
{ name = "led_marquee_base.png", color = "white" },
|
|
{ name = "led_marquee_leds_off.png", color = "white" }
|
|
},
|
|
overlay_tiles = { "", leds },
|
|
inventory_image = wimage,
|
|
is_ground_content = false,
|
|
wield_image = wimage,
|
|
palette="led_marquee_palette.png",
|
|
groups = groups,
|
|
paramtype = "light",
|
|
paramtype2 = "colorwallmounted",
|
|
light_source = light,
|
|
selection_box = cbox,
|
|
node_box = cbox,
|
|
on_construct = function(pos)
|
|
reset_meta(pos)
|
|
end,
|
|
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
|
|
if (fields.channel) then
|
|
minetest.get_meta(pos):set_string("channel", fields.channel)
|
|
end
|
|
end,
|
|
digiline = {
|
|
receptor = {},
|
|
effector = {
|
|
action = on_digiline_receive_string,
|
|
},
|
|
},
|
|
drop = "led_marquee:char_32",
|
|
on_timer = led_marquee.scroll_text
|
|
})
|
|
end
|
|
|
|
-- crafts
|
|
|
|
minetest.register_craft({
|
|
output = "led_marquee:char_32 6",
|
|
recipe = {
|
|
{ "default:glass", "default:glass", "default:glass" },
|
|
{ "mesecons_lamp:lamp_off", "mesecons_lamp:lamp_off", "mesecons_lamp:lamp_off" },
|
|
{ "group:wood", "mesecons_microcontroller:microcontroller0000", "group:wood" }
|
|
},
|
|
})
|
|
|
|
minetest.log("action", "[led_marquee] loaded.")
|