namespace Oni.Particles
{
    internal class VariableReference
    {
        public const int ByteSize = 24;
        public static readonly VariableReference Empty = new VariableReference(string.Empty);

        private string name;

        public VariableReference(string name)
        {
            this.name = name;
        }

        public VariableReference(BinaryReader reader)
        {
            name = reader.ReadString(16);
            reader.Skip(8);
        }

        public void Write(BinaryWriter writer)
        {
            writer.Write(name, 16);
            writer.Skip(8);
        }

        public bool IsDefined => !string.IsNullOrEmpty(name);

        public string Name => name;
    }
}