1 files changed, 230 insertions, 42 deletions

diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index 7c5fb136..436853bd 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -4,17 +4,6 @@ No rights, expressed or implied, whatsoever to this software are provided by Mot
 (c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
 </copyright> */
 
-// Useless Global variables.
-// TODO: Remove this as soon as QE test pass
-/*
-var shaderProgramArray = new Array;
-var glContextArray = new Array;
-var vertexShaderSource = "";
-var fragmentShaderSource = "";
-var rdgeStarted = false;
-*/
-
-var nodeCounter = 0;
 
 var GeomObj = require("js/lib/geom/geom-obj").GeomObj;
 var Line = require("js/lib/geom/line").Line;
@@ -22,11 +11,13 @@ var Rectangle = require("js/lib/geom/rectangle").Rectangle;
 var Circle = require("js/lib/geom/circle").Circle;
 var MaterialsModel = require("js/models/materials-model").MaterialsModel;
 
+var worldCounter = 0;
+
 ///////////////////////////////////////////////////////////////////////
 // Class GLWorld
 //      Manages display in a canvas
 ///////////////////////////////////////////////////////////////////////
-var World = function GLWorld( canvas, use3D ) {
+var World = function GLWorld( canvas, use3D, preserveDrawingBuffer ) {
     ///////////////////////////////////////////////////////////////////////
     // Instance variables
     ///////////////////////////////////////////////////////////////////////
@@ -39,7 +30,11 @@ var World = function GLWorld( canvas, use3D ) {
 
     this._canvas = canvas;
         if (this._useWebGL) {
+        if(preserveDrawingBuffer) {
+            this._glContext = canvas.getContext("experimental-webgl", {preserveDrawingBuffer: true});
+        } else {
                 this._glContext = canvas.getContext("experimental-webgl");
+        }
     } else {
                 this._2DContext = canvas.getContext( "2d" );
     }
@@ -76,6 +71,12 @@ var World = function GLWorld( canvas, use3D ) {
         // no animated materials
         this._firstRender = true;
 
+        this._worldCount = worldCounter;
+        worldCounter++;
+
+        // keep a counter for generating node names
+        this._nodeCounter = 0;
+
     ///////////////////////////////////////////////////////////////////////
     // Property accessors
     ///////////////////////////////////////////////////////////////////////
@@ -116,6 +117,8 @@ var World = function GLWorld( canvas, use3D ) {
 
         this.getRenderer                        = function()            {  return this.renderer;                        };
 
+    // Flag to play/pause animation at authortime
+    this._previewAnimation = true;
   ////////////////////////////////////////////////////////////////////////////////////
   // RDGE
   // local variables
@@ -235,7 +238,7 @@ var World = function GLWorld( canvas, use3D ) {
                                         if (this._canvas.task) {
                                                 this._firstRender = false;
 
-                                                if (!this.hasAnimatedMaterials()) {
+                                                if (!this.hasAnimatedMaterials() || !this._previewAnimation) {
                                                         this._canvas.task.stop();
                                                         //this._renderCount = 10;
                                                 }
@@ -350,17 +353,19 @@ var World = function GLWorld( canvas, use3D ) {
                 return false;
         };
 
-
-        // END RDGE
-        ////////////////////////////////////////////////////////////////////////////////////
+        this.generateUniqueNodeID = function() {
+                var str = "" + this._nodeCounter;
+                this._nodeCounter++;
+                return str;
+        };
 
     
     // start RDGE passing your runtime object, and false to indicate we don't need a an initialization state
     // in the case of a procedurally built scene an init state is not needed for loading data
         if (this._useWebGL) {
                 rdgeStarted = true;
-                var id = this._canvas.getAttribute( "data-RDGE-id" ); 
-                this._canvas.rdgeid = id;
+                this._canvas.rdgeid = this._canvas.getAttribute( "data-RDGE-id" );
+                RDGE.globals.engine.unregisterCanvas( this._canvas );
                 RDGE.globals.engine.registerCanvas(this._canvas, this);
                 RDGE.RDGEStart( this._canvas );
                 this._canvas.task.stop()
@@ -391,7 +396,7 @@ World.prototype.updateObject = function (obj) {
     if (nPrims > 0) {
         ctrTrNode = obj.getTransformNode();
                 if (ctrTrNode == null) {
-                    ctrTrNode = RDGE.createTransformNode("objRootNode_" + nodeCounter++);
+                        ctrTrNode = RDGE.createTransformNode("objRootNode_" + this._nodeCounter++);
                         this._rootNode.insertAsChild( ctrTrNode );
                         obj.setTransformNode( ctrTrNode );
                 }
@@ -401,7 +406,7 @@ World.prototype.updateObject = function (obj) {
                 });
                 ctrTrNode.meshes = [];
 
-        ctrTrNode.attachMeshNode(this.renderer.id + "_prim_" + nodeCounter++, prims[0]);
+        ctrTrNode.attachMeshNode(this.renderer.id + "_prim_" + this._nodeCounter++, prims[0]);
         ctrTrNode.attachMaterial(materialNodes[0]);
     }
         
@@ -420,12 +425,12 @@ World.prototype.updateObject = function (obj) {
                         });
                         childTrNode.meshes = [];
                 } else {
-            childTrNode = RDGE.createTransformNode("objNode_" + nodeCounter++);
+                        childTrNode = RDGE.createTransformNode("objNode_" + this._nodeCounter++);
                         ctrTrNode.insertAsChild(childTrNode);
                 }
 
         // attach the instanced box goe
-        childTrNode.attachMeshNode(this.renderer.id + "_prim_" + nodeCounter++, prim);
+        childTrNode.attachMeshNode(this.renderer.id + "_prim_" + this._nodeCounter++, prim);
         childTrNode.attachMaterial(materialNodes[i]);
     }
 };
@@ -680,7 +685,7 @@ World.prototype.render = function() {
                 var root = this.getGeomRoot();
                 this.hRender( root );
         } else {
-                RDGE.globals.engine.setContext( this._canvas.rdgeId );
+                RDGE.globals.engine.setContext( this._canvas.rdgeid );
                 //this.draw();
                 this.restartRenderLoop();
         }
@@ -727,7 +732,87 @@ World.prototype.getShapeFromPoint = function( offsetX, offsetY ) {
         }
 };
 
-World.prototype.export = function() {
+
+
+World.prototype.exportJSON = function()
+{
+        // world properties
+        var worldObj = 
+        {
+                'version'       : 1.1,
+                'id'            : this.getCanvas().getAttribute( "data-RDGE-id" ),
+                'fov'           : this._fov,
+                'zNear'         : this._zNear,
+                'zFar'          : this._zFar,
+                'viewDist'      : this._viewDist,
+                'webGL'         : this._useWebGL
+        };
+
+        // RDGE scenegraph
+        if (this._useWebGL)
+                worldObj.scenedata = this.myScene.exportJSON();
+
+        // object data
+        var strArray = [];
+        this.exportObjectsJSON( this._geomRoot, worldObj );
+
+        // You would think that the RDGE export function
+        // would not be destructive of the data.  You would be wrong...
+        // We need to rebuild everything
+        if (this._useWebGL)
+        {
+                if (worldObj.children && (worldObj.children.length === 1))
+                {
+            this.rebuildTree(this._geomRoot);
+            this.restartRenderLoop();
+                }
+        }
+
+        // convert the object to a string
+        var jStr = JSON.stringify( worldObj );
+
+        // prepend some version information to the string.
+        // this string is also used to differentiate between JSON
+        // and pre-JSON versions of fileIO.
+        // the ending ';' in the version string is necessary
+        jStr = "v1.0;" + jStr;
+        
+        return jStr;
+}
+
+World.prototype.rebuildTree = function( obj )
+{
+        if (!obj)  return;
+
+        obj.buildBuffers();
+
+        if (obj.getChild()) {
+                 this.rebuildTree( obj.getChild () );
+    }
+
+        if (obj.getNext())
+                this.rebuildTree( obj.getNext() );