1 files changed, 61 insertions, 24 deletions

diff --git a/js/models/materials-model.js b/js/models/materials-model.js
index d8fb4016..291f7567 100755
--- a/js/models/materials-model.js
+++ b/js/models/materials-model.js
@@ -112,10 +112,34 @@ exports.MaterialsModel = Montage.create(Component, {
         value: function (materialName) {
             var index = this.getIndexOfMaterial(materialName);
             if(index !== -1) {
-                return this._materials[index];
+                return this._materials[index].dup();
             }
         }
-    },                  
+    },
+        
+        getMaterialByShader: 
+        {
+                value: function( shaderName )
+                {
+                        var index = this.getIndexOfMaterialByShader( shaderName );
+                        if (index >= 0)
+                                return this._materials[index].dup();
+                }
+        },              
+
+    getIndexOfMaterialByShader: {
+        value: function (shaderName) {
+            var len = this._materials.length;
+            for(var i=0; i<len; i++) {
+                var material = this._materials[i];
+                if(material.getShaderName() === shaderName) {
+                    return i;
+                }
+            }
+
+            return -1;
+        }
+    },
 
     getIndexOfMaterial: {
         value: function (materialName) {
@@ -143,37 +167,54 @@ exports.MaterialsModel = Montage.create(Component, {
         }
     },
 
-        exportMaterials: {
+        getDefaultMaterialName: {
                 value: function() {
+                        return "FlatMaterial";
+                }
+        },
 
-                        var exportStr = "MaterialLibrary: \n";
-
+        exportMaterials: {
+                value: function()
+        {
+            var matArray = [];
                         var nMats = this._materials.length;
-
                         for (var i=0;  i<nMats;  i++) {
                                 var material = this._materials[i];
-                                exportStr += material.export();
+                                var matObj = material.exportJSON();
+                matArray.push( matObj );
                         }
 
-                        exportStr += "endMatLib\n";
-                        return exportStr;
+                var jObj = 
+                {
+                'materialLibrary':  1.0,
+                'materials':        matArray
+            };
+
+            // prepend an identifiable string to aid parsing when the 
+            // material model is loaded.
+            var jStr = "materialLibrary;" + JSON.stringify( jObj );
+
+                        return jStr;
                 }
         },
 
         importMaterials: {
-                value: function( importStr ) {
+                value: function( jObj )
+        {
+            // make sure we have some materials to import before doing anything
+            var matArray = jObj.materials;
+            if (!matArray)  return;
+                        
                         // we replace allmaterials, so remove anything
                         // that is currently there.
                         this.clearAllMaterials();
 
-                        var pu = new MaterialParser( importStr );
-                        
-                        var type = pu.nextValue( "material: ", "\n", false );
-
-                        while (type) {
-
-                var mat = null;
-
+                        var nMats = matArray.length;
+            for (var i=0;  i<nMats;  i++)
+            {
+              var mat = null;
+              var jMatObj = matArray[i];
+                var type = jMatObj.material;
                 switch (type)
                 {
                                         case "flat":                            mat = new FlatMaterial();                               break;
@@ -203,20 +244,16 @@ exports.MaterialsModel = Montage.create(Component, {
 
                                         default:
                                                 throw new Error( "Unrecognized material type: " + type );
-                                                pu.advancePastToken( "endMaterial\n" );
                                                 break;
                                 }
 
                                 if (mat) {
-                                        importStr = mat.import( importStr );
-                                        pu._strBuffer = importStr;
+                                        importStr = mat.importJSON( jMatObj );
                                         this.addMaterial( mat );
                                 }
-
-                                type = pu.nextValue( "material: ", "\n", false );
                         }
 
-                        return pu._strBuffer;
+                        return;
                 }
         }