path: root/assets/canvas-runtime.js

/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
</copyright> */

// namespace for the Ninja Canvas Runtime
var NinjaCvsRt =  NinjaCvsRt || {};

///////////////////////////////////////////////////////////////////////
//Loading webGL/canvas data
NinjaCvsRt.initWebGl = function (rootElement, directory) {
	var cvsDataMngr, ninjaWebGlData = JSON.parse((document.querySelectorAll(['script[data-ninja-webgl]'])[0].innerHTML.replace('(', '')).replace(')', ''));
	if (ninjaWebGlData && ninjaWebGlData.data) {
		for (var n=0; ninjaWebGlData.data[n]; n++) {
			ninjaWebGlData.data[n] = unescape(ninjaWebGlData.data[n]);
		}
	}
	//Creating data manager
	cvsDataMngr = new NinjaCvsRt.CanvasDataManager();
	//Loading data to canvas(es)
	cvsDataMngr.loadGLData(rootElement, ninjaWebGlData.data, directory);
};

///////////////////////////////////////////////////////////////////////
// Class ShapeRuntime
//      Manages runtime shape display
///////////////////////////////////////////////////////////////////////
NinjaCvsRt.CanvasDataManager = function () 
{
	this.loadGLData = function(root,  valueArray,  assetPath )
	{
		if (assetPath)
			this._assetPath = assetPath.slice();

		var value = valueArray;
		var nWorlds = value.length;
		for (var i=0;  i<nWorlds;  i++)
		{
			var importStr = value[i];

			// there should be some version information in
			// the form of 'v0.0;'  Pull that off.  (the trailing ';' should
			// be in the first 24 characters).
			var index = importStr.indexOf( ';' );
			if ((importStr[0] === 'v') && (index < 24))
			{
				// JSON format.  pull off the version info
				importStr = importStr.substr( index+1 );

				var jObj = JSON.parse( importStr );
				var id = jObj.id;
				if (id)
				{
					var canvas = this.findCanvasWithID( id, root );
					if (canvas)
					{
						new NinjaCvsRt.GLRuntime( canvas, jObj,  assetPath );
					}
				}
			}
		}
	};

	this.findCanvasWithID = function( id,  elt )
	{
		var cid = elt.getAttribute( "data-RDGE-id" );
		if (cid == id)  return elt;

		if (elt.children)
		{
			var nKids = elt.children.length;
			for (var i=0;  i<nKids;  i++)
			{
				var child = elt.children[i];
				var foundElt = this.findCanvasWithID( id, child );
				if (foundElt)  return foundElt;
			}
		}
	};
};

///////////////////////////////////////////////////////////////////////
// Class GLRuntime
//      Manages runtime fora WebGL canvas
///////////////////////////////////////////////////////////////////////
NinjaCvsRt.GLRuntime = function ( canvas, jObj,  assetPath )
{
    ///////////////////////////////////////////////////////////////////////
    // Instance variables
    ///////////////////////////////////////////////////////////////////////
	this._canvas		= canvas;
	this._context		= null;
	//this._importStr		= importS