- td.AddField("sprite", FieldDescription(((char *)&f.sprite) - ((char *)&f), spriteId, true));
- td.AddField("columnoffset", FieldDescription(((char *)&f.colOffset) - ((char *)&f), numberId, false));
- td.AddField("rowoffset", FieldDescription(((char *)&f.rowOffset) - ((char *)&f), numberId, false));