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app-msg-spec.md

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App to Console structure

TCP messages from the app to the console are ASCII encoded JSON strings of the form:

{"type":<int>,"args":<any[]>,"id":<int>}

An example of this:

{"type":6,"args":[-71774.303255814,87841.2072351421,false],"id":11}

It appears that the app sends the console messages twice. It's unknown if this is intentional or not.

Arguments

type

integer used to represent the type of the message

args

array array of arguments, of any type, to pass to the handler

id

integer starting at 1 and incrementing by one for each message sent

Oddities

Sometimes the JSON messages are prefixed with some binary data. An example of this follows:

0x22 0x00 0x00 0x00 0x05 {"type":12,"args":[50308],"id":34}

Theory A

0x22000000 is little-endian 34, which is the length of the ASCII contents that follows the binary contents. 0x05 is 5, which seems to be a type/id.

Messages

Messages are by their id and nickname below.

6: Set waypoint

Sets a waypoint on the world map.

args

  • longitude? double
  • latitude? double
  • ? boolean

Example

{"type":6,"args":[-71774.303255814,87841.2072351421,false],"id":11}

9: Fast travel

Fast travel to a location

args

  • locationId integer

Example

{"type":9,"args":[48363],"id":15}

13: Toggle local map view

Changes the map to/from world view from/to local view

args

none

Example

{"type":13,"args":[],"id":18}

12: Toggle a radio station

Toggles a radio station

args

  • ID integer Station ID

Known station IDs

ID Name
50313 Diamond city
50308 Classical

Example

{"type":12,"args":[50308],"id":34}

1: Drop item

Drop an item from the player's inventory

args

  • ? integer
  • pageIndex? integer
  • ? integer
  • items? integer[]

Example

The following is an example of the item at index 0, a fedora, inside the apparel page (page index 1), getting dropped:

{"type":1,"args":[4207600413,1,0,[0]],"id":56}