public override void generateVaild(System.Random rand, WorldCondition worldCond)
{
elements = new CondExprElement[2];
elements[0].type = CondExprElemntType.Object;
elements[0].meta = rand.Next() % (int)ObjectId.NumCondObject;
elements[1].type = CondExprElemntType.IntValue;
elements[1].meta = worldCond.getObjectNum((ObjectId)elements[0].meta);
}
public override bool testVaild(WorldCondition worldCond)
{
return elements[1].meta == worldCond.getObjectNum((ObjectId)elements[0].meta);
}