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package game
type PileOfCards interface {
Size() int
IsEmpty() bool
Cards() []*Card
AddCards(cards []*Card)
AddCard(card *Card)
RemoveCard(card *Card)
MoveCard(card *Card, into PileOfCards)
MoveInto(into PileOfCards)
}
type PileOfCardsBase struct {
cards []*Card
}
func NewPileOfCards() *PileOfCardsBase {
return &PileOfCardsBase{[]*Card{}}
}
func (poc *PileOfCardsBase) Size() int {
return len(poc.cards)
}
func (poc *PileOfCardsBase) IsEmpty() bool {
return poc.Size() == 0
}
func (poc *PileOfCardsBase) Cards() []*Card {
return poc.cards
}
func (poc *PileOfCardsBase) AddCards(cards []*Card) {
poc.cards = append(poc.cards, cards...)
}
func (poc *PileOfCardsBase) AddCard(card *Card) {
poc.cards = append(poc.cards, card)
}
func (poc *PileOfCardsBase) RemoveCard(card *Card) {
ncards := poc.Size()
for i, c := range poc.cards {
if c != card {
continue
}
poc.cards[i] = poc.cards[ncards-1]
poc.cards = poc.cards[:ncards-1]
return
}
}
func (poc *PileOfCardsBase) MoveCard(c *Card, into PileOfCards) {
poc.RemoveCard(c)
into.AddCard(c)
}
func (poc *PileOfCardsBase) MoveInto(into PileOfCards) {
into.AddCards(poc.cards)
poc.cards = []*Card{}
}
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