Record outgoing packages and save/replay later.

G-Recorder.gprog.js

var GPlaceRecorder = (function() {  
  if (typeof setTimeout == 'undefined') {
    load("https://gist.githubusercontent.com/kayhadrin/4bf141103420b79126e434dfcf6d4826/raw/a9174bacb2e4d0d8a619d2575b8de55a291c8786/js-timeout-polyfill.js")
  }
  if (typeof RoomChatManager == 'undefined') {
    load("https://gist.github.com/Alynva/7f5dd840fc54fa49e0c538f51b69ac93/raw/RoomChatManager.gprog.js")
  }

  var headersToRecord = ['PlaceObject', 'MoveObject'] // PlaceObject 1905, MoveObject 2379
  var replayInterval = 500
  var entries = []

  var recording, stopReplay

  function savePacket(message) {
    if (recording)
      entries.push(message.getPacket().stringify())
  }

  for (var i = 0; i < headersToRecord.length; i++) {
    interceptToServer(headersToRecord[i], savePacket)
  }

  function tick(entries) {
    if (stopReplay) {
      manager.sendChat("Replay stoped.")
      return
    } else if (!entries.length) {
      manager.sendChat("Replay ended.")
      return
    }

    var packet = HPacket(0)
    packet.constructFromString(entries[0])
    sendToServer(packet)

    setTimeout(function() {
      tick(entries.slice(1))
    }, replayInterval)
  }

  function replay() {
    manager.sendChat("Replay started.")
    tick(entries.slice())
  }

  var manager = RoomChatManager({
    inChatHeaderId: "Chat", // Chat 1918
    outChatHeaderId: "Chat" // Chat 3351
  })

  manager.handleCommand("startRecording", function () {
    manager.sendChat("Recording headers "+headersToRecord+".")
    entries = []
    recording = true
  }, "/")

  manager.handleCommand("stopRecording", function () {
    manager.sendChat("Just recorded "+entries.length+" entries.")
    recording = false
  }, "/")

  manager.handleCommand("startReplay", function () {
    stopReplay = false
    replay()
  }, "/")

  manager.handleCommand("stopReplay", function () {
    stopReplay = true
  }, "/")

  manager.handleCommand("exportRecording", function (message, command) {
    manager.sendChat("Recording output printed in the log.")
    var output = "GPlaceRecorder.setEntries("+JSON.stringify(entries, null, 2)+")"
    print(output)
  }, "/")

  print("\
======= GPlaceRecorder loaded! =======\n\
\n\
Record outgoing packages and save/replay later.\
\n\
Available in-room chat commands:\n\
\n\
- \"/startRecording\": start saving the packages.\n\
- \"/stopRecording\": stop saving the packages.\n\
\n\
- \"/startReplay\": start sending the saved packages.\n\
- \"/stopReplay\": stop sending the saved packages.\n\
\n\
- \"/exportRecording\": print the saved packages to load with `setEntries`.\n\
\n\
Available in-script methods:\n\
\n\
- \"GPlaceRecorder.setHeadersToRecord(list?: (string | number)[]): void\": \n\
    Change the list of packages tha will be saved while recording.\n\
    The initial list is "+headersToRecord+".\n\
    The default value of the paramter is an empty list.\n\
\n\
- \"GPlaceRecorder.setReplayInterval(interval?: number): void\": \n\
    Change the interval (in miliseconds) between each package while replaying.\n\
    The initial interval and default value of the paramter is 500.\n\
\n\
- \"GPlaceRecorder.setEntries(newEntries?: string[]): void\": \n\
    Load pre-recorded entries to be replayed.\n\
    The initial interval and default value of the paramter is an empty list.\n\
\n\
======================================\n\
")

  return {
    /** @param {Array<String|Number>} [list] */
    setHeadersToRecord: function(list) {
      list = list || []

      if (!Array.isArray(list))
        throw new Error("list is not array")

      headersToRecord = list
    },

    /** @param {Number} [interval] */
    setReplayInterval: function(interval) {
      interval = interval || 500

      if (typeof interval != 'number')
        throw new Error("interval is not number")

        replayInterval = interval
    },

    /** @param {Array<String>} [newEntries] */
    setEntries: function(newEntries) {
      newEntries = newEntries || []

      if (!Array.isArray(newEntries))
        throw new Error("newEntries is not array")

        entries = newEntries
    }
  }
})()