public Card BuyCard()
{
if (cardPile.cardPile.FilterKey(card => card.star <= player.star).Count > 0)
{
Card tmpCard = cardPile.RandomlyGetBestCard(card => (
card.star <= player.star &&
!IsRecruitFieldEffect(card) &&
CheckDuplicate(card) &&
CheckTransform(-1, card.GetPositionTag())) ? GetFit(card) : -1);
if (tmpCard != null)
{
return(tmpCard.NewCard());
}
else
{
return(cardPile.RandomlyGetCardByFilterAndReduceIt(card => (
card.star <= player.star &&
!IsRecruitFieldEffect(card) &&
CheckDuplicate(card) &&
CheckTransform(-1, card.GetPositionTag()))).NewCard());
}
}
else
{
return(null);
}
}
