source: AE/packages/31000GlassBreakingMoves/patches/common/level0_Final/TRAM-blownup-.oni-patch@ 965

@XML_TOOLS Version "2.0"

@CUSTOM_CODE
<code>
        var myBuilder = new JSXMLBuilder();
        myBuilder.load($xmlData);

        var elements = myBuilder.elements[0];
        var particles = elements.childElement("Animation").childElement("Particles");
        var added_to_head = false, added_to_feet = false;
        
        // Check if glass_break is assigned to Head and one of the feet;
        // remove it from any other bones if present
        for (var i = 0; (particles.childElement(i)); i++)
        {
                var particle = particles.childElement(i);
                var bone = particle.childElement("Bone").text;
                var name = particle.childElement("Name").text;
                if (name == "glass_break")
                {
                        if (bone == "Head")
                                added_to_head = true;
                        else if (bone == "RightFoot")
                                added_to_feet = true;
                        else
                                myBuilder.removeElement(particle.index);
                }
        }

        // Exit if we are past Oni's limit on TRAM particles
        if (particles.length >= 16)
                return;

        // Add the glass_break particle to the desired bones if it's not there already
        var heights = elements.childElement("Animation").childElement("Heights");
        var anim_length;
        for (anim_length = 0; (heights.childElement(anim_length)); anim_length++) {;}
        if (!added_to_head)
                myBuilder.addElementAt("Particle",
                                       "",
                                       "<Start>0</Start>\
                                        <End>" + (anim_length-1) + "</End>\
                                        <Bone>Head</Bone>\
                                        <Name>glass_break</Name>",
                                       particles.index + 1,
                                       particles.level + 1);

        // Exit if we are past Oni's limit on TRAM particles
        if (particles.length >= 16)
                return;

        if (!added_to_feet)
                myBuilder.addElementAt("Particle",
                                       "",
                                       "<Start>0</Start>\
                                        <End>" + (anim_length-1) + "</End>\
                                        <Bone>RightFoot</Bone>\
                                        <Name>glass_break</Name>",
                                       particles.index + 1,
                                       particles.level + 1);
 
        // Update the global variable with the new XML
        $xmlData = myBuilder.generateXML();
</code>