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setting.md

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Methods

greenworks.initAPI()

Returns a Boolean whether Steam APIs were successfully initialized or not.

Note: When testing this, you need to launch and log in the Steam Client, and create a steam_appid.txt file with your Steam APP ID (or the steamworks example APP ID) under your app directory.

greenworks.init()

Returns a True when Steam APIs were successfully initialized, otherwise throw an error.

greenworks.isSteamRunning()

Returns a Boolean whether Steam is running.

greenworks.restartAppIfNecessary(appId)

  • appId Integer: The APP ID of your game

If your app was not launched via Steam, this will signal Steam to launch your app, and then cause your app to quit.

There's not a moment to lose after you call restartAppIfNecessary(), but if it returns true, your app is being restarted.

greenworks.getAppId()

Returns an Integer represents the app id of the current process.

greenworks.getAppBuildId()

Returns an Integer representing the app's build id. May change at any time based on backend updates to the game.

greenworks.getSteamId()

Returns an SteamID object represents the current Steam user.

greenworks.getCurrentGameLanguage()

Returns a String represents the current language from Steam specifically set for the game.

greenworks.getCurrentUILanguage()

Returns a String represents the current language from Steam set in UI.

greenworks.getCurrentGameInstallDir()

Not implement yet.

greenworks.getAppInstallDir(app_id, buffer, buffer_size)

  • app_id Integer: The APP ID of your game

Returns a String representing the absolute path to the app's installation directory.

greenworks.getNumberOfPlayers(success_callback, [error_callback])

  • success_callback Function(num_of_players)
    • num_of_players Integer: the current number of players on Steam.
  • error_callback Function(err)

greenworks.activateGameOverlay(option)

  • option String: valid options are Friends, Community, Players, Settings, OfficialGameGroup, Stats and Achievements.

Activate the game overlay with the option dialog opens.

greenworks.isGameOverlayEnabled()

Return Boolean indicates whether Steam overlay is enabled/disabled.

greenworks.isSteamInBigPictureMode()

Return Boolean indicates whether Steam is in Big Picture mode. Will always return false if the application is not in Steam's game category.

greenworks.activateGameOverlayToWebPage(url)

Open a specified url in steam game overlay.

greenworks.isSubscribedApp(appId)

  • appId Integer: The APP ID of your game

Returns a Boolean indicates whether the user has purchased that app.

greenworks.isAppInstalled(appId)

  • appId Integer: The APP ID of your game

Returns a Boolean indicating whether the app is currently installed. The app may not actually be owned by the user.

Only works for base applications, for DLC use isDLCInstalled instead.

greenworks.getImageSize(handle)

  • handle Integer: The image handle

Returns an object that contains image’s width and height values.

greenworks.getImageRGBA(handle)

  • handle Integer: The image handle

Returns a Buffer that contains image data in RGBA format.

An example of saving image to png format:

var greeenworks = require('./greenworks');
// Relies on 'jimp' module. Install it via 'npm install jimp'.
var Jimp = require('jimp');

var friends = greenworks.getFriends(greenworks.FriendFlags.Immediate);
if (friends.length > 0) {
  var handle = greenworks.getSmallFriendAvatar(friends[0].getRawSteamID());
  if (!handle) {
    console.log("The user don't set small avartar");
    return;
  }
  var image_buffer = greenworks.getImageRGBA(handle);
  var size = greenworks.getImageSize(handle);
  if (!size.height || !size.width) {
    console.log("Image corrupted. Please try again");
    return;
  }
  console.log(size);
  var image = new Jimp(size.height, size.width, function (err, image) {
    for (var i = 0; i < size.height; ++i) {
      for (var j = 0; j < size.width; ++j) {
        var idx = 4 * (i * size.height + j);
        var hex = Jimp.rgbaToInt(image_buffer[idx], image_buffer[idx+1],
            image_buffer[idx+2], image_buffer[idx+3]);
        image.setPixelColor(hex, j, i);
      }
    }
  });
  image.write("/tmp/test.png");
}

greenworks.getIPCountry()

Returns the 2 digit ISO 3166-1-alpha-2 format country code which client is running in, e.g "US" or "UK".

greenworks.getLaunchCommandLine()

Gets the command line if the game was launched via Steam URL, e.g. steam://run/<appid>//<command line>/. This method is preferable to launching with a command line via the operating system, which can be a security risk. In order for rich presence joins to go through this and not be placed on the OS command line, you must enable "Use launch command line" from the Installation > General page on your app.

Steam docs