Useful Mudlet scripts and macro

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This pages' purpose is to share useful scripts, triggers, and macros for the MUD client Mudlet


SendSequence(...)

A LUA function to repeat a series of memorized commands. Useful to go back to lobby from your home point or to macro together one of your daily routine

Code

Must be saved in your mudlet "Scripts" Profile 

 function SendSequence(interval, ...)
   local offset = 0
   for i = 1, select('#', ...) do
     if type(select(i, ...)) == "number" then
       offset = offset + select(i, ...) - interval
     elseif type(select(i, ...)) == "table" then
       local tab = select(i, ...)
       offset = SendSequence(interval, offset + interval, unpack(tab))
     else
       tempTimer(offset, [[send("]] .. select(i, ...) .. [[", true)]])
       echo("delayed (" .. offset .. "): send(\"" .. select(i, ...) .. "\")\n")
       offset = offset + interval
     end
   end
   return offset
 end

Arguments

  • interval: the default time to wait between each command, be careful as some commands make the server die more that others
  • ...: a nested list of commands string to send to the server. numbers are interpreted as additional wait time

Example

Recall to Zephyr studies (where you turn in the behavior bounty) as a Quetzalcoatl dedicant: 

 SendSequence(0.1, "recall", 3, "o", "b") -- recall takes a long time to process, so we wait 3s to let the server process it before moving on the map

Use some predefined Sequences: 

 -- in your Scripts profile
 Sequences = {}
 Sequences.ZephyrStudies = {"recall", 3, "o", "b"}

 -- anywhere else:
 SendSequence(0.1, Sequences.ZephyrStudies)

Combine Sequences to reach the RSX crafting room from somewhere very far: 

 -- in your Scripts profile
 Sequences = {}
 Sequences.ZephyrStudies = {"recall", 3, "o", "b"}
 Sequences.Zephyr = {Sequences.ZephyrStudies, "e", "u"}
 Sequences.RSX = {Sequences.Zephyr, "depart", "e", "e", "e", "e", "e", "e", "e", "e", "n", "n", "n", "n", "n", "e", "enter"}
 Sequences.RSXCraftingRoom = {Sequences.RSX, "d", "e"}

 -- anywhere else
 SendSequence(0.1, Sequences.RSXCraftingRoom)

Link preview trigger

A trigger turning image URLs into clickable links that will open a popup on the side of your screen when clicked with a preview

Trigger parameters

  • line 1: (?i)(?:http(?:s?):\/\/)([\/.\w\s\-~]*)\.(jpg|gif|png|webp)
  • Set line 1 dropdown menu on right side to "perl regex"
  • leave everything else as default

Trigger script

 local link = matches[1]
 local explodedPath = Split( matches[2] .. "." .. matches[3], "/")
 local file = explodedPath[#explodedPath]
 
 downloadFile(getMudletHomeDir() .. "/Preview Images/" .. file, link)
 selectString(link,1)
 setUnderline(true) 
 setLink([[showImagePreview("]] .. file .. [[")]],"Show Image Preview")
 resetFormat()

Additional profile folder

  • Enter the command "lua getMudletHomeDir()" into your client.
  • Create a folder named "Preview Images" in the folder your client indicates using your computer's file explorer program.

Code

Must be saved in your mudlet "Scripts" Profile. Copy and paste both of these boxes into a single script. 

 function Split(str, delim, maxNb)
    -- Eliminate bad cases...
    if string.find(str, delim) == nil then
       return { str }
    end
    if maxNb == nil or maxNb < 1 then
       maxNb = 0    -- No limit
    end
    local result = {}
    local pat = "(.-)" .. delim .. "()"
    local nb = 0
    local lastPos
    for part, pos in string.gfind(str, pat) do
       nb = nb + 1
       result[nb] = part
       lastPos = pos
       if nb == maxNb then
          break
       end
    end
    -- Handle the last field
    if nb ~= maxNb then
       result[nb + 1] = string.sub(str, lastPos)
    end
    return result
 end

 function showImagePreview(file)
   local path = getMudletHomeDir() .. "/Preview Images/" .. file
   
   if GlobalCurrentPreview == path then
     createMiniConsole("imagePreview", 1200, 0, 0, 0)
     GlobalCurrentPreview = nil
   else
     local w, h = getImageSize(path)
     local actualWidth, availableHeight = getMainWindowSize()
     local availableWidth = actualWidth - 1100;
     
     if w > availableWidth then
       h = availableWidth / w * h
       w = availableWidth
     end
     
     if h > availableHeight then
       w = availableHeight / h * w
       h = availableHeight
     end
     
     createMiniConsole("imagePreview", actualWidth - w, 0, w, h)
     setBackgroundImage("imagePreview",path)
     GlobalCurrentPreview = path
   end
 end

Example

Now image links will be underlined. Clicking the links will show a preview in any columns of your client that are set not to have text. Clicking the link again closes the preview.

800px

e621 post preview trigger

Making the preview work on non-direct links is a bit harder, but e621 API is so easy to use that I might as well make one for it. NOTE: this trigger is based upon, and relies on Link preview trigger to function

Trigger parameters

  • line 1: (?i)(?:http(?:s?):\/\/(?:e621|e926)\.net\/posts\/)(\d+) with type "perl regex"
  • leave everything else as default

Trigger script

local saveFolder = "E:/Other/Flexible Survival/Multiplayer/Preview Images/"
local textToSelect = matches[1]
local shortUrl = "https://e621.net/posts/" .. matches[2]
local post = shortUrl .. ".json"
local triggeredLineNumber = getLineNumber()
local handlerId
debugc("TRIGGERED")
handlerId =
  registerAnonymousEventHandler(
    "sysGetHttpDone",
    function(_, url, body)
      if url == post then
        killAnonymousEventHandler(handlerId)
        local json = yajl.to_value(body)
        local link = json.post.file.url
        local explodedPath = Split(link, "/")
        local file = explodedPath[#explodedPath]
        if not io.exists(saveFolder .. file) then
          downloadFile(saveFolder .. file, link)
        end
        for i = triggeredLineNumber, triggeredLineNumber + 100, 1 do
          if not moveCursor(0, i) then
            break
          end
          if selectString(shortUrl, 1) >= 0 then
            break
          end
        end
        setUnderline(true)
        setLink([[showImagePreview("]] .. file .. [[")]], "Show Image Preview")
        resetFormat()
        moveCursorEnd()
      end
    end
  )
getHTTP(post)
tempTimer(5, [[killAnonymousEventHandler(]] .. handlerId .. [[)]])

Alternative Image Previewer

This is heavily based on the above example, but it utilizes the Mudlet Geyser functionality to create an adjustable image.
As of 12/03/2022, it is fully functional albeit with a few bugs and a little rough around the edges. It is entirely compatible with the above trigger for e621!
Just like the above script, you should use getMudletHomeDir() if you want to get the path set up. However, I added a variable so you can set any file path you want.
Please ping McSpazzy#8413 (the creator of this version) on Discord if you encounter any errors or update this page yourself if you find and test a fix.
Be super sure you save whatever command you sent that caused the issue. That will be vital to debugging.

Trigger parameters

  • line 1: (?i)(?:http(?:s?):\/\/)([\/.\w\s\-~]*)\.(jpg|gif|png|webp)
  • Set line 1 dropdown menu on right side to "perl regex"
  • leave everything else as default

Trigger script

The changes made to the original script are primarily in how it handles duplicate files. unknown.png, for example, is a common file from discord.
To prevent files getting overwritten, part of the URL which is more likely to be unique has been added to the file if it already exists.
A check is also made to not download anything if both the basic file name and the enlongated file name exists.
BE SURE TO CHANGE THE PATH OF THE SAVE FOLDER AND ENSURE IT ENDS WITH A \! 

local saveFolder = "E:/Other/Flexible Survival/Multiplayer/Preview Images/"
local link = matches[1]
link = string.gsub(link, '"', "")
debugc("Matches 4: " .. matches[4])
local shortLink =
  ((matches[4] == nil and not matches[4] == '"') and string.gsub(link, matches[4], "") or link)
local explodedPath = Split(matches[2] .. "." .. matches[3], "/")
local file = explodedPath[#explodedPath - 1] .. "." .. explodedPath[#explodedPath]

function setUrl()
  selectString(shortLink, 1)
  setUnderline(true)
  setLink([[showImagePreview("]] .. file .. [[")]], "Show Image Preview")
  resetFormat()
end

registerAnonymousEventHandler(
  "sysDownloadError",
  function(event, errorFound, localFilename, usedUrl)
    debugc("There was a problem using the following URL: " .. usedUrl)
    debugc("fuction downloadErrorEventHandler, " .. errorFound)
  end,
  true
)

if not io.exists(saveFolder .. file) then
  downloadFile(saveFolder .. file, link)
  setUrl()
else
  setUrl()
end

Code

Must be saved in your mudlet "Scripts" Profile. Copy and paste both of these boxes into a single script. Changes to the original are many, but the resulting changes are few.
The window will create itself and size itself to match the image and, if needed, resize to still fit on the screen. Unlike the original image previewer, gifs are played and aren't just static images! 

function Split(str, delim, maxNb)
  -- Eliminate bad cases...
  if string.find(str, delim) == nil then
    return {str}
  end
  if maxNb == nil or maxNb < 1 then
    maxNb = 0
    -- No limit
  end
  local result = {}
  local pat = "(.-)" .. delim .. "()"
  local nb = 0
  local lastPos
  for part, pos in string.gfind(str, pat) do
    nb = nb + 1
    result[nb] = part
    lastPos = pos
    if nb == maxNb then
      break
    end
  end
  -- Handle the last field
  if nb ~= maxNb then
    result[nb + 1] = string.sub(str, lastPos)
  end
  return result
 end

function showImagePreview(file)
  local isNotGif = string.find(file .. "\n", ".gif\n")
  local folderPath = [[REPLACE WITH PATH TO FOLDER]]
  local path = folderPath .. file
  local w, h = getImageSize(path)
  local actualWidth, availableHeight = getMainWindowSize()
  local availableWidth = actualWidth - 1100;
  if w > availableWidth then
    h = availableWidth / w * h
    w = availableWidth
  end
  if h > availableHeight then
    w = availableHeight / h * w
    h = availableHeight
  end
  imgContainer =
    imgContainer or
    Adjustable.Container:new(
      {
        name = "imgContainer",
        height = h,
        width = w,
        adjLabelstyle =
          [[background-color: rgba(0,0,0,0%);border: 4px double green;border-radius: 4px;]],
      }
    )
  imgContainer:resize(w, h)
  imgContainer:show()
  if isNotGif == nil then
    if not gifPreview == nil then
      gifPreview:hide()
    end
    imgPreview =
      Geyser.MiniConsole:new(
        {name = "Image_Preview", x = 0, y = 0, height = "100%", width = "100%"}, imgContainer
      )
    imgPreview:setBackgroundImage(path)
    imgPreview:show()
  else
    if not imgPreview == nil then
      imgPreview:hide()
    end
    gifPreview =
      Geyser.Label:new(
        {name = "Gif_Preview", x = 0, y = 0, height = "100%", width = "100%", color = "transparent"},
        imgContainer
      )
    gifPreview:setMovie(path)
    gifPreview:scaleMovie()
    gifPreview:show()
  end
 end



Known Bugs

  • No known bugs. Please alert Syntax if you find any!

Planned Implementation

  • Create Twitter integration
  • Make the display window actually look nice
  • Handle multiple links in the same post

Alternative e621 Trigger Implementation

While the original trigger listed before this one functions and is stable, it is lacking a few features (such as multi-line link monitoring). While you can use the original, this should have some added bonuses.
Also, while it might be tempting to edit this to no longer connect to e621 if the file already exists on your computer locally, it can only determine if you have the file if it connects in the first place.
I ensured you will not download the file if you already have it, but you do need to connect to e621 in the first place to be sure.

Trigger Parameters

line 1: (?i)(?:http(?:s?):\/\/(?:e621|e926)\.net\/posts\/)(\d+) with type "perl regex" leave everything else as default 

local saveFolder = "E:/Other/Flexible Survival/Multiplayer/Preview Images/"
local textToSelect = matches[1]
local post = textToSelect .. ".json"
local triggeredLineNumber = getLineNumber()

function highlighter(fileName, selectionText)
  for i = triggeredLineNumber, triggeredLineNumber + 100, 1 do
    if not moveCursor(0, i) then
      break
    end
    if selectString(selectionText, 1) >= 0 then
      break
    end
  end
  setUnderline(true)
  setLink([[showImagePreview("]] .. fileName .. [[")]], "Show Image Preview")
  resetFormat()
  moveCursorEnd()
end

registerAnonymousEventHandler(
  "sysGetHttpDone",
  function(_, url, body)
    if url == post then
      local json = yajl.to_value(body)
      local link = json.post.file.url
      local explodedPath = Split(link, "/")
      local file = explodedPath[#explodedPath]
      if not io.exists(saveFolder .. file) then
        downloadFile(saveFolder .. file, link)
      else
        highlighter(file)
      end
    end
  end,
  true
)
registerAnonymousEventHandler(
  'sysGetHttpError',
  function(event, response, rurl)
    if rurl == url then
      display(r)
    else
      return true
    end
  end,
  true
)
registerAnonymousEventHandler(
  'downloaded_file',
  function(_, filename)
    -- is the file that downloaded ours?
    if not filename:find(file, 1, false) then
      highlighter(filename)
    end
  end,
  true
)
registerAnonymousEventHandler(
  'sysDownloadError',
  function(event, errorFound, localFilename, usedUrl)
    debugc("fuction downloadErrorEventHandler, " .. errorFound)
  end,
  true
)
getHTTP(post)

Known bugs

  • An error is shown in the error and debug windows saying the following: "<[string "Trigger: e621 Post Preview Trigger"]:4: attempt to concatenate field '?' (a nil

value)>". No known cause is known, but it does not seem to affect functionality. Note that the mentioned trigger would be whatever you named it. Likely same issue as the rule34 trigger.

rule34.xxx Trigger Implementation

Syntax saw a few people using this site and its API was extremely accessible. Same considerations apply to this as e621's alternative implementation!
Connecting to the rule34 site is entirely optional in this case as the ID is also what the file is saved as. This will need to be changed if the API for rule34 changes.

Trigger Parameters

(?i)(?:http(?:s?):\/\/rule34\.xxx[\/index\.php]+\?.*)(id\=\d+)(&?\S*) with type "perl regex" leave everything else as default

Trigger Script

local saveFolder = "E:/Other/Flexible Survival/Multiplayer/Preview Images/"
local textToSelect = matches[1]
local post = "https://api.rule34.xxx/index.php?page=dapi&s=post&q=index&json=1&" .. matches[2]
local triggeredLineNumber = getLineNumber()
local explodedPath = Split(matches[2], "=")
local file = "Rule34." .. explodedPath[#explodedPath] .. ".jpeg"
if not io.exists(saveFolder .. file) then
  local handlerId
  handlerId =
    registerAnonymousEventHandler(
      "sysGetHttpDone",
      function(_, url, body)
        if url == post then
          killAnonymousEventHandler(handlerId)
          local json = yajl.to_value(body)
          local link = json[1].file_url
          downloadFile(saveFolder .. file, link)
        end
      end
    )
  getHTTP(post)
  tempTimer(5, [[killAnonymousEventHandler(]] .. handlerId .. [[)]])
end
for i = triggeredLineNumber, triggeredLineNumber + 100, 1 do
  if not moveCursor(0, i) then
    break
  end
  if selectString(textToSelect, 1) == 0 then
    break
  end
end
setUnderline(true)
setLink([[showImagePreview("]] .. file .. [[")]], "Show Image Preview")
resetFormat()
moveCursorEnd()

Known bugs

  • An error is shown in the error and debug windows saying the following: "<[string "Trigger: Rule34 Post Preview Trigger"]:4: attempt to concatenate field '?' (a nil

value)>". No known cause is known, but it does not seem to affect functionality. Note that the mentioned trigger would be whatever you named it. Likely same issue as the rule34 trigger.

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