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This is the CSS stylesheet of your game User Interface.
 
This is the CSS stylesheet of your game User Interface.
 
      
 
      

Revision as of 22:04, 15 April 2020


Game File Reference



Useful Components

Official

  • Deck: a PHP component to manage cards (deck, hands, picking cards, moving cards, shuffle deck, ...).
  • Draggable: a JS component to manage drag'n'drop actions.
  • Counter: a JS component to manage a counter that can increase/decrease (ex: player's score).
  • ExpandableSection: a JS component to manage a rectangular block of HTML than can be displayed/hidden.
  • Scrollmap: a JS component to manage a scrollable game area (useful when the game area can be infinite. Examples: Saboteur or Takenoko games).
  • Stock: a JS component to manage and display a set of game elements displayed at a position.
  • Zone: a JS component to manage a zone of the board where several game elements can come and leave, but should be well displayed together (See for example: token's places at Can't Stop).

Undocumented component (if somebody knows please help with docs)

  • Wrapper: a JS component to wrap a <div> element around its child, even if these elements are absolute positioned.

Unofficial



Game Development Process



Guides for Common Topics



Miscellaneous Resources

This is the CSS stylesheet of your game User Interface.

Styles defined on this file will be applied to the HTML elements you define in your HTML template (yourgame_yourgame.tpl), and to HTML elements you create dynamically with Javascript.

Usually, you are using CSS to:

1°) define the overall layout of your game (ex: place the board on the top left, place player's hand beside, place the deck on the right, ...).

2°) create your CSS-sprites: All images of your games should be gathered into a small number of image files. Then, using background-image and background-position CSS properties, you create HTML blocks that can display these images correctly.

Example:

    Example of CSS sprites (a black token and a white token, 20x20px each, embedded in the same "tokens.png" 40x20px image):

    .white_token {
        background-image: url('img/tokens.png');
        background-position: 0px 0px;
    }
    .black_token {
        background-image: url('img/tokens.png');
        background-position: -20px 0px;
    }
    .token {
        width: 20px;
        height: 20px;
        background-repeat: none;
    }

3°) ... anything else:

It is really easy to add and remove CSS classes dynamically from your Javascript with dojo.addClass and dojo.removeClass. It is also easy to check if an element has a class (dojo.hasClass) or to get all elements with a specific class (dojo.query).

This is why, very often, using CSS classes for the logic of your user interface allow you to do complex thing easily.

Note: on the production platform, this file will be compressed and comments will be removed. Consequently, don't hesitate to put as many comments as necessary.

Important: ALL the CSS directives for your game must be included in this CSS file. You can't create additional CSS files and import them.

Warning: using Z-index

You may use z-index CSS property in your game interface, but you should pay attention to the following: BGA dialogs are displayed with a z-index of 950. If you want to use z-index safely, you should use value lower than 900.

About z-index: don't forget that if you are using a z-index, your element will be displayed above all elements that do not have a z-index. So it's no use to have big z-index values: 1 is enough most of the time :)

spectatorMode

When a spectator (= a player that is not part of the game) is viewing a game, the BGA framework add the CSS class "spectatorMode" to the wrapping HTML tag of your game.

This way, if you want to apply a special style to some elements of your game for spectators, you can do this in your CSS:

.spectatorMode #your_element_id {
    /* your special style */
}

The most common usage of this is to hide some elements to spectators. For example, to hide "my hand" elements:

.spectatorMode #my_hand {
    display: none;
}