Mirrorlandia_minetest/led_marquee
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multi-color support

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send string.char(0 to 7) to change colors
(red=0, orange, yellow, green, cyan, blue, purple, magenta=7)

the panel remembers the last color used (saved in the meta of the
left-most/"master" panel node)
This commit is contained in:
Vanessa Dannenberg 2018-08-15 03:08:05 -04:00
parent 15d7e3277f
commit a6502f0d90
1 changed files with 35 additions and 15 deletions
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50
init.lua
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@ -56,45 +56,64 @@ local display_string = function(pos, channel, string)
local padded_string = string.sub(string..padding, 1, 64)
local fdir = minetest.get_node(pos).param2 % 4
local pos2 = pos
local mastermeta = minetest.get_meta(pos)
local lastcolor = mastermeta:get_int("lastcolor")
if not lastcolor or lastcolor < 0 or lastcolor > 7 then
lastcolor = 0
mastermeta:set_int("lastcolor", 0)
end
for i = 1, 64 do
local node = minetest.get_node(pos2)
local meta = minetest.get_meta(pos2)
local setchan = meta:get_string("channel")
if not string.match(node.name, "led_marquee:char_") or (setchan ~= nil and setchan ~= "" and setchan ~= channel) then break end
local asc = string.byte(padded_string, i, i)
if (node.param2 % 4) == fdir and asc > 31 and asc < 130 then
minetest.swap_node(pos2, { name = "led_marquee:char_"..asc, param2 = node.param2})
minetest.swap_node(pos2, { name = "led_marquee:char_"..asc, param2 = (node.param2 % 4) + (lastcolor*32)})
pos2.x = pos2.x + fdir_to_right[fdir+1][1]
pos2.z = pos2.z + fdir_to_right[fdir+1][2]
elseif asc < 8 then
lastcolor = asc
mastermeta:set_int("lastcolor", asc)
end
pos2.x = pos2.x + fdir_to_right[fdir+1][1]
pos2.z = pos2.z + fdir_to_right[fdir+1][2]
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 lastcolor = meta:get_int("lastcolor")
if not lastcolor or lastcolor < 0 or lastcolor > 7 then
lastcolor = 0
meta:set_int("lastcolor", 0)
end
if setchan ~= channel then return end
if msg and msg ~= "" and type(msg) == "string" then
if string.len(msg) > 1 then
if msg == "off" then
minetest.swap_node(pos, { name = "led_marquee:char_32", param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_32", param2 = (node.param2 % 4) + (lastcolor*32)})
elseif msg == "colon" then
minetest.swap_node(pos, { name = "led_marquee:char_58", param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_58", param2 = (node.param2 % 4) + (lastcolor*32)})
elseif msg == "period" then
minetest.swap_node(pos, { name = "led_marquee:char_46", param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_46", param2 = (node.param2 % 4) + (lastcolor*32)})
elseif msg == "del" then
minetest.swap_node(pos, { name = "led_marquee:char_127", param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_127", param2 = (node.param2 % 4) + (lastcolor*32)})
elseif msg == "allon" then
minetest.swap_node(pos, { name = "led_marquee:char_128", param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_128", param2 = (node.param2 % 4) + (lastcolor*32)})
elseif msg == "cursor" then
minetest.swap_node(pos, { name = "led_marquee:char_129", param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_129", param2 = (node.param2 % 4) + (lastcolor*32)})
else
display_string(pos, channel, msg)
end
else
local asc = string.byte(msg)
if asc > 31 and asc < 130 then
minetest.swap_node(pos, { name = "led_marquee:char_"..asc, param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_"..asc, param2 = (node.param2 % 4) + (lastcolor*32)})
elseif asc < 8 then
lastcolor = asc
meta:set_int("lastcolor", asc)
elseif msg == "get" then -- get value as ASCII numerical value
digiline:receptor_send(pos, digiline.rules.default, channel, tonumber(string.match(minetest.get_node(pos).name,"led_marquee:char_(.+)"))) -- wonderfully horrible string manipulaiton
elseif msg == "getstr" then -- get actual char
@ -103,9 +122,9 @@ local on_digiline_receive_string = function(pos, node, channel, msg)
end
elseif msg and type(msg) == "number" then
if msg == 0 then
minetest.swap_node(pos, { name = "led_marquee:char_32", param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_32", param2 = (node.param2 % 4) + (lastcolor*32)})
elseif msg > 31 and alnum_chars[msg - 31] ~= nil then
minetest.swap_node(pos, { name = "led_marquee:char_"..tostring(msg), param2 = node.param2})
minetest.swap_node(pos, { name = "led_marquee:char_"..tostring(msg), param2 = (node.param2 % 4) + (lastcolor*32)})
end
end
end
@ -126,10 +145,11 @@ for i = 32, 129 do
drawtype = "mesh",
mesh = "led_marquee.obj",
tiles = {
"led_marquee_base.png",
"led_marquee_leds_off.png",
{ name="led_marquee_char_"..i..".png", color="0xffff0000"},
{ name="led_marquee_base.png", color="white"},
{ name="led_marquee_leds_off.png", color="white"},
"led_marquee_char_"..i..".png",
},
palette="palette.png",
use_texture_alpha = true,
groups = groups,
paramtype = "light",