API tools faq
paste
Advertisement
RDS_YES

file log

RDS_YES
Jan 20th, 2023 (edited)
722
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Lua 1.52 KB | None | 0 0
raw download clone embed print report
  1. local color1 = colors.lightGray
  2. local color2 = colors.cyan
  3. local _, height = term.getSize()
  4. local y = 1
  5. local path_name = "lc/".."input.txt"
  6. local temp_lines = {}
  7. local lines = {}
  8. local file = io.open(path_name)
  9. if file == nil then error("file is nil",0) end
  10.  
  11. local function reverse()
  12.     local x = 1
  13.     for i = #temp_lines, 1, -1 do
  14.         lines[x] = temp_lines[i]
  15.         x = x + 1
  16.     end
  17. end
  18.  
  19. local function make_lines()
  20.     local x = 1
  21.     for line in file:lines() do
  22.         temp_lines[x] = line
  23.         x = x + 1
  24.     end
  25.     file:close()
  26.     reverse()
  27. end
  28.  
  29. local function render()
  30.     term.clear()
  31.     local x = height
  32.     local xx = y % 2
  33.     for i = y, (y + height - 1) do
  34.         if lines[i] ~= nil then
  35.             term.setCursorPos(1,x)
  36.             if xx == 1 then
  37.                 term.setTextColor(color1)
  38.                 xx = 0
  39.             elseif xx == 0 then
  40.                 term.setTextColor(color2)
  41.                 xx = 1
  42.             end
  43.             term.write(lines[i])
  44.             x = x - 1
  45.         end
  46.     end
  47. end
  48.  
  49. local function scroll(key)
  50.     if keys.getName(key) == "up" or keys.getName(key) == "w" then
  51.         y = y + 1
  52.     elseif keys.getName(key) == "down" or keys.getName(key) == "s" then
  53.         y = y - 1
  54.     end
  55.     if y < 1 then
  56.         y = 1
  57.     elseif y > #lines - height + 1 then
  58.         y = #lines - height + 1
  59.     end
  60. end
  61.  
  62. make_lines()
  63.  
  64. while true do
  65.     sleep(0)
  66.     render()
  67.     local event, key, is_held = os.pullEvent("key")
  68.     scroll(key)
  69. end
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!