Updated MatParam.getAsString to reflect recent change on j3m texture parameter format

jme3-core/src/main/java/com/jme3/material/MatParam.java

@@ -248,16 +248,45 @@ When arrays can be inserted in J3M files
                 if (texKey.isFlipY()) {
                     ret += "Flip ";
                 }
-                if (texVal.getWrap(Texture.WrapAxis.S) == WrapMode.Repeat) {
-                    ret += "Repeat ";
+
+                //Wrap mode
+                ret += getWrapMode(texVal, Texture.WrapAxis.S);
+                ret += getWrapMode(texVal, Texture.WrapAxis.T);
+                ret += getWrapMode(texVal, Texture.WrapAxis.R);
+
+                //Min and Mag filter
+                Texture.MinFilter def =  Texture.MinFilter.BilinearNoMipMaps;
+                if(texVal.getImage().hasMipmaps() || texKey.isGenerateMips()){
+                    def = Texture.MinFilter.Trilinear;
+                }
+                if(texVal.getMinFilter() != def){
+                    ret += "Min" + texVal.getMinFilter().name()+ " ";
                 }
 
-                return ret + texKey.getName();
+                if(texVal.getMagFilter() != Texture.MagFilter.Bilinear){
+                    ret += "Mag" + texVal.getMagFilter().name()+ " ";
+                }
+
+                return ret + "\"" + texKey.getName() + "\"";
             default:
                 return null; // parameter type not supported in J3M
         }
     }
 
+    private String getWrapMode(Texture texVal, Texture.WrapAxis axis) {
+        WrapMode mode = WrapMode.EdgeClamp;
+        try{
+            mode = texVal.getWrap(axis);
+        }catch (IllegalArgumentException e){
+            //this axis doesn't exist on the texture
+            return "";
+        }
+        if(mode != WrapMode.EdgeClamp){
+            return"Wrap"+ mode.name() + "_" + axis.name() + " ";
+        }
+        return "";
+    }
+
     @Override
     public MatParam clone() {
         try {