@Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final MatParam other = (MatParam) obj;
        if (this.type != other.type) {
            return false;
        }
        if ((this.name == null) ? (other.name != null) : !this.name.equals(other.name)) {
            return false;
        }
        if (this.value != other.value && (this.value == null || !this.value.equals(other.value))) {
            return false;
        }
        return true;
    }
Returns the material parameter value as it would appear in a J3M
file. E.g.
<pre>
MaterialParameters {
    ABC : 1 2 3 4
}
</pre>
Assuming "ABC" is a Vector4 parameter, then the value
"1 2 3 4" would be returned by this method.

@return material parameter value as it would appear in a J3M file.
jme3-core/src/main/java/com/jme3/material/MatParam.java