MultiplayerServerWML

Multiplayer Server WML

This page describes the WML used to communicate with the multiplayer server (wesnothd).

The login procedure

• server request (optional)
  • [version]

• client response
  • [version]
    • version: The client's version string.

• server request
  • [mustlogin]

• client response
  • [login]
    • username: The username the client would like to have.

• server response
  • [join_lobby]

• server response
  • [gamelist]
    • [game] (repeated)
      • id: A unique id of the game.
      • name: The title of the game.
      • mp_scenario: The id of the scenario.
      • mp_era: The id of the used era.
      • mp_use_map_settings': Does the game use the map settings specified in the scenario.
      • mp_fog: Does the game use fog.
      • mp_shroud: Does the game use shroud.
      • mp_village_gold: The number of gold per village.
      • experience_modifier: The experience setting.
      • mp_countdown: Does the game use a timer.
      • mp_countdown_reservoir_time: Upper limit of the possibly available time.
      • mp_countdown_init_time: Initial time.
      • mp_countdown_action_bonus: Time bonus per action.
      • mp_countdown_turn_bonus: Time bonus per turn.
      • map_data: The map data.
      • hash: The hash value of the map_data.
      • observer: Are observers allowed or not.
      • human_sides: The number of sides played by humans.
      • slots: The number of vacant/max slots.
      • turn: The current turn/max turn.
  • [user] (repeated)
    • name: The username of the player.
    • game_id: The ID of the game the player is in (version 1.3.7+svn).
    • location: The name of the game the player is in.
    • available: "yes" if the player is in the lobby; "no" if in a game.

Many of the keys under [game] are described more indepth on the ScenarioWML page.

Error messages

• [error]
  • message: The error message.

Chat (lobby and in-game)

• [message]
  • sender: (optional - filled by the server) The sender of the message.
  • message: The message itself.
• [whisper]
  • receiver: The receiver of the whisper
  • sender: (optional - filled by the server) The sender of the whisper.
  • message: The message itself.

Updating the lobby state

• [gamelist_diff]: server message - basically a diff from two [gamelist]s; the keys listed are the ones that actually occure in practice
  • index: The index of a user.
  • [insert_child] A new user logged on.
    • [user]
      • name: The name of the user.
      • available "yes"
    • [delete_child] A user logged off.
  • [change_child]
    • [user]
      • [insert]: A user joined/left a game.
        • available: "yes" when the user left a game. "no" when the user joined a game
        • location: The name of the game the user joined.
      • [delete]
        • location: "x" when a game was left.
    • [gamelist]
      • index: Index of the game in question.
      • [insert_child]: A game started.
        • [game] All the usual keys of [game] possible, see above.
      • [delete_child]: A game ended.
        • [game]
      • [change_child]: Something changed in a game.
        • [game]
          • [insert]
            • slots: The number of free slots in the form: free/max slots
            • turn: The turn number in the form: current turn/max turns
          • [delete]
            • map: "x" comes with every turn or slots change for games with shroud
            • mp_scenario: "x" comes with turn and slots changes for games with no scenario id

• [observer] or [observer_quit]: server message - players joining([observer_quit] - quitting the lobby "game")/quitting([observer] - joining the lobby "game") a game
  • name: Username of the player/observer.

Game setup (the phase from creation to start)

To create a game the client sends:

• [create_game]
  • name: The title of the game.

followed by a message with the scenario options as under [game] (see above) plus the scenario data ([time], [era], [side], etc. see ScenarioWML)

• [join]
  • id: The id of the game.
  • observe: Join the game as an observer.

• [scenario_diff]: ScenarioWML diff (side changes, etc.)

• [start_game]: sent by the host to start a game
• [leave_game]: sent by the client when it leaves a game; sent by the server to make a client leave a game

In-game communication

• [store_next_scenario]: sent by the host - the scenario data (see ScenarioWML) to advance to the next scenario
• [load_next_scenario]: sent by the client to request the data for the next scenario
• [next_scenario]: data for the next scenario (see ScenarioWML), sent by the server on request

• [info]: sent by the host on game end - info about the game state
  • type: "termination"
  • condition: the termination reason

• [change_controller]: a player gives away one of his sides
  • side: the side to change controller
  • player: the nick of the player to take control
  • own_side: "yes"

If a player leaves this is sent to the host for all sides he owned.

• side_drop: The number of a side that dropped because a player left.
• controller: The controller of that side. ("human", "ai", "network", "none")

• [muteall]: the host mutes/unmutes all observers - toggles
• [mute]: the host mutes an observer - toggles
  • username: the username of the observer - if not specified the servers returns a list of muted usernames
• [kick] or [ban]: the host kicks/bans a player/observer
  • username: the username of the player/observer

• [turn]
  • [command]: (repeated) can contain all the tags you can find in a replay: [recruit], [move], [end_turn], etc.
    • [speak]
      • message: text of the message
      • description: the sender
      • team_name: the name of the team the message is for - empty if it's a public message

Administrative commands

• [query]
  • type: The type of query. See ServerAdministration for details.