74 lines
1.2 KiB
Go
74 lines
1.2 KiB
Go
package tome_lib
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import (
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"fmt"
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"math/rand"
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"time"
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)
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type Deck struct {
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Cards []*Card `json:"cards"`
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}
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func (d *Deck) String() string {
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if d == nil {
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return "||"
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}
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return fmt.Sprintf("|%v|", d.Cards)
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}
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func DeckFromCards(c []*Card) *Deck {
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return &Deck{
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Cards: c,
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}
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}
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func DeckFromCard(c *Card) *Deck {
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if c == nil {
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return &Deck{
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Cards: []*Card{},
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}
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}
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return &Deck{
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Cards: []*Card{c},
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}
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}
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func (d *Deck) Shuffle() {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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for i := range d.Cards {
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j := r.Intn(i + 1)
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d.Cards[i], d.Cards[j] = d.Cards[j], d.Cards[i]
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}
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}
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func (d *Deck) Scry(s int) *Deck {
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var seen []*Card
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if len(d.Cards) == 0 {
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return DeckFromCard(nil)
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} else if len(d.Cards) < s {
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seen := make([]*Card, len(d.Cards))
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copy(seen, d.Cards)
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d.Reset()
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} else {
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seen = make([]*Card, s)
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scrybox := d.Cards[(len(d.Cards) - s):len(d.Cards)]
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res := copy(seen, scrybox)
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if res == 0 {
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panic("Error copy scrybox")
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}
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d.Cards = d.Cards[0 : len(d.Cards)-s]
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}
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return DeckFromCards(seen)
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}
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func (d *Deck) Bottom(bot *Deck) {
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d.Cards = append(bot.Cards, d.Cards...) //Should shuffle result first?
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}
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func (d *Deck) Size() int {
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return len(d.Cards)
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}
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func (d *Deck) Reset() {
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d.Cards = []*Card{}
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}
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