1 files changed, 47 insertions, 0 deletions

diff --git a/js/lib/geom/geom-obj.js b/js/lib/geom/geom-obj.js
index c5880843..852aab89 100755
--- a/js/lib/geom/geom-obj.js
+++ b/js/lib/geom/geom-obj.js
@@ -204,6 +204,53 @@ var GeomObj = function GLGeomObj() {
         return fillMaterial;
     };
 
+        this.exportMaterials = function()
+        {
+                var rtnStr = "";
+                if (this._materialArray && this._materialNodeArray)
+                {
+                        var nMats = this._materialArray.length;
+                        rtnStr += "nMaterials: " + nMats + "\n";
+                        for (var i=0;  i<nMats;  i++)
+                        {
+                                var matNode  = this._materialNodeArray[i];
+                                rtnStr += "materialNodeName: " + matNode.name + "\n";
+
+                                var material = this._materialArray[i];
+                                rtnStr += material.export();
+                        }
+                }
+                else
+                        rtnStr += "nMaterials: 0\n" ;
+
+                return rtnStr;
+        }
+
+        this.importMaterials = function(importStr)
+        {
+                var nMaterials = Number( this.getPropertyFromString( "nMaterials: ", importStr )  );
+                for (var i=0;  i<nMaterials;  i++)
+                {
+                        var mat;
+                        var materialType = this.getPropertyFromString( "material: ",    importStr );
+                        switch (materialType)
+                        {
+                                case "flat":            mat = new FlatMaterial();               break;
+
+                                default:
+                                        console.log( "material type: " + materialType + " is not supported" );
+                                        break;
+                        }
+
+                        if (mat)
+                                mat.import( importStr );
+
+                        var endIndex = importStr.indexOf( "endMaterial\n" );
+                        if (endIndex < 0)  break;
+                        importStr = importStr.substr( endIndex );
+                }
+        }
+
     this.translate   = function(v) {
         var mat = Matrix.Translation( v );
         //var mat2 = mat.multiply( this._matrix );