mtcontrib/led_marquee
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Code Issues Releases Wiki Activity

add optional stepping value to "scroll_step"

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This commit is contained in:
Vanessa Dannenberg
2018-08-17 17:12:49 -04:00
parent 0cacd9af9c
commit c703dbfa74
2 changed files with 15 additions and 11 deletions
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16
init.lua
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@ -66,15 +66,16 @@ led_marquee.set_timer = function(pos, timeout)
end
end
led_marquee.scroll_text = function(pos, elapsed)
led_marquee.scroll_text = function(pos, elapsed, skip)
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")
if not index or index < 1 or not string.byte(msg, index) then index = 1 end
local len = string.len(msg)
index = index + 1
skip = skip or 1
index = index + skip
while index < len and string.byte(msg, index) < 28 do
index = index + 1
@ -82,7 +83,7 @@ led_marquee.scroll_text = function(pos, elapsed)
end
if string.byte(msg, index - 1) < 28 then
led_marquee.display_msg(pos, channel, string.sub(msg, index - 1).." ")
led_marquee.display_msg(pos, channel, string.sub(msg, index - 1)..string.rep(" ", skip + 1))
else
local i = index - 1
local color = ""
@ -91,7 +92,7 @@ led_marquee.scroll_text = function(pos, elapsed)
if i == 0 then break end
end
if i > 0 then color = string.sub(msg, i, i) end
led_marquee.display_msg(pos, channel, color..string.sub(msg, index).." ")
led_marquee.display_msg(pos, channel, color..string.sub(msg, index)..string.rep(" ", skip + 1))
end
meta:set_int("index", index)
@ -219,8 +220,9 @@ local on_digiline_receive_string = function(pos, node, channel, msg)
if not timeout or timeout < 0.5 or timeout > 5 then timeout = 0 end
meta:set_int("timeout", timeout)
led_marquee.set_timer(pos, timeout)
elseif msg == "scroll_step" then
led_marquee.scroll_text(pos)
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, digiline.rules.default, channel, tonumber(string.match(minetest.get_node(pos).name,"led_marquee:char_(.+)"))) -- wonderfully horrible string manipulaiton
elseif msg == "getstr" then -- get the last stored message