Extension:UnityEmbed

MediaWiki extensions manual

UnityEmbed Release status: unmaintained
Implementation	Parser extension
Description	Allows the display of unity games on a wiki page
Author(s)	Jon Hunter (Jhunter13talk)
Latest version	1.0 (2013-01-15)
MediaWiki
Database changes	No
License	GNU public License
Download	see here
Tags ‎<unity>

The UnityEmbed extension allows users to embed Unity 3D games on their wiki. You will need to upload the webplayer unity3d file to the wiki in order for the game to embed correctly on the page.

Usage

Once installed you can use the ‎<unity> tag on any wiki page in this format:

<unity>file=myLocalFile.unity3d|width=550|height=400</unity>

Installation

To install this extension, add the following to LocalSettings.php:

require_once ("$IP/extensions/unity.php");

Code

Paste the following code into a file called unity.php in your extensions folder:

<?php
/*
 * Embed a Unity 3D Game file.
 *
 * To activate this extension, add the following into your LocalSettings.php file:
 * require_once('$IP/extensions/unity.php');
 *
 */

$wgExtensionCredits['parserhook'][] = array(
        'name' => 'Unity Embed',
        'author' => 'Jon Hunter',
        'version'=>'1.0',
        'description' => 'Allows the display of unity games on a wiki page using the <code>&lt;unity&gt;</code> tag',
        'url' => 'https://www.mediawiki.org/wiki/Extension:UnityEmbed',
);

$wgExtensionFunctions[] = "wfUnityExtension";

class Unity{
    /* Constructor */
    function Unity( $input ) {
        Unity::parseInput( $input ); // Parse the input
        Unity::genCode(); // Generate the final code
    }

    function parseInput( $input ) {
        for($pos=0; $pos<strlen($input); $pos++) { // go through all arguments
            if($input{$pos}=='=') { // separator between command
                    $this->instr = $this->tmp;
                    $this->tmp = '';
            }
            else if($input{$pos}=='|') {// separator between arguments
                Unity::setValue();
                $this->tmp='';
            }
            else{
                $this->tmp .= $input{$pos};
            }
        }
        
        if($this->tmp!='') Unity::setValue(); // Deal with the rest of the input string
    }

    function setValue() {
        if($this->instr=='file'|| // Whitelist of flash commands. Anything else but flash commands is ignored.
                $this->instr=='width'||
                $this->instr=='height') {
            $this->{$this->instr} = $this->tmp;
        }
    }

    function genCode(){
        $title = wfLocalFile(Title::newFromText(trim($this->file), NS_FILE));
        if($title){
            $url = $title->getFullURL();
            $this->code = '<object id="UnityObject" classid="clsid:444785F1-DE89-4295-863A-D46C3A781394" width="'.$this->width.'" height="'.$this->height.'" codebase="http://webplayer.unity3d.com/download_webplayer/UnityWebPlayer.cab#version=2,0,0,0"><param name="'.$url.'" value="WebPlayer.unity3d" /><embed id="UnityEmbed" src="'.$url.'" width="'.$this->width.'" height="'.$this->height.'" type="application/vnd.unity" pluginspage="http://www.unity3d.com/unity-web-player-2.x" /></object><br>';
            return $this->code;
        }
    }
}

function wfUnityExtension() {
    global $wgParser;
    $wgParser->setHook( "unity", "renderUnity" );
}

function renderUnity( $input ) {
    $game = new Unity( $input );//creates a unity object
    return $game->code; // send the final code to the wiki
}

Check if the extension was installed correctly by going to Special:Version, if you see "Unity Embed" under the Parser Hooks section of the page you've installed it correctly.