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|
package casino
import (
"fmt"
"sort"
"strings"
)
// crapsReturn is shared by wallet settlement and next-roll previews.
func crapsReturn(b *crapsBet, profit, den, oddsProfit int, refundOdds bool) int {
payout := 0
if profit >= 0 {
payout = b.stake.Total + b.stake.Total/den*profit
if (b.kind == "buy" || b.kind == "lay") && profit > 0 {
base := payout - b.stake.Total
if b.kind == "buy" {
base = b.stake.Total
}
payout -= (base + 19) / 20
}
}
if b.odds.Total > 0 {
if refundOdds {
payout += b.odds.Total
} else if oddsProfit >= 0 {
x, y := crapsTrueOdds(b.number)
if strings.HasPrefix(b.kind, "dont") {
x, y = y, x
}
payout += b.odds.Total + b.odds.Total/y*x
}
}
return payout
}
func crapsNet(b *crapsBet, profit, den, oddsProfit int, refundOdds bool) int {
return crapsReturn(b, profit, den, oddsProfit, refundOdds) - b.stake.Total - b.odds.Total
}
func crapsRefundOdds(b *crapsBet, point int) bool { return point == 0 && b.kind == "come" }
type CrapsRollView struct {
Total int
Rolls string
Net int
}
func (t *crapsTable) rollPairs() [][2]int {
var pairs [][2]int
for a := 1; a <= 6; a++ {
if t.Config.Craps.variant() == "die_rich" {
pairs = append(pairs, [2]int{a, 0})
continue
}
for b := a; b <= 6; b++ {
pairs = append(pairs, [2]int{a, b})
}
}
return pairs
}
func (t *crapsTable) projectionFor(p *crapsPlayer) []CrapsRollView {
var rows []CrapsRollView
for _, pair := range t.rollPairs() {
a, b := pair[0], pair[1]
net := 0
for _, bet := range p.bets {
done, x, y := t.outcomeFor(bet, a, b)
if done {
net += crapsNet(bet, x, y, x, crapsRefundOdds(bet, t.point))
}
}
label := fmt.Sprintf("%d+%d", a, b)
if b == 0 {
label = fmt.Sprint(a)
}
rows = append(rows, CrapsRollView{a + b, label, net})
}
sort.SliceStable(rows, func(i, j int) bool { return rows[i].Total < rows[j].Total })
return rows
}
func crapsFireProfit(made int) int {
switch made {
case 4:
return 24
case 5:
return 249
case 6:
return 999
}
return 0
}
func crapsBonusComplete(lo, hi int, seen map[int]bool, next int) bool {
for n := lo; n <= hi; n++ {
if n != 7 && !seen[n] && n != next {
return false
}
}
return true
}
// rollTable previews the next roll as one compact line of every total 2-12
// (1-6 on the single-die table): wins are bold green, losses bold red, and
// totals no open wager settles are dim. Hardway and hop bets are pair
// specific, so the best pair outcome stands in for that total. The line wraps
// on token boundaries with a hanging indent so the continuation lines line up
// under the first total.
func (t *crapsTable) rollTable(p *crapsPlayer) string {
if len(p.bets) == 0 {
return ""
}
best := map[int]int{}
found := map[int]bool{}
for _, row := range t.projectionFor(p) {
if !found[row.Total] || row.Net > best[row.Total] {
best[row.Total] = row.Net
found[row.Total] = true
}
}
lo, hi := 2, 12
if t.Config.Craps.variant() == "die_rich" {
lo, hi = 1, 6
}
type outcomeToken struct {
tagged string
width int
}
tokens := make([]outcomeToken, 0, hi-lo+1)
for total := lo; total <= hi; total++ {
token := fmt.Sprintf("%d(-)", total)
tag := "dim"
switch {
case found[total] && best[total] > 0:
token, tag = fmt.Sprintf("%d(+%d)", total, best[total]), "casino_result_win"
case found[total] && best[total] < 0:
token, tag = fmt.Sprintf("%d(%d)", total, best[total]), "casino_result_loss"
}
tokens = append(tokens, outcomeToken{fmt.Sprintf("{%s}%s{/}", tag, token), len(token)})
}
const (
head = "OUTCOMES:"
width = 80
)
indent := strings.Repeat(" ", len(head)+1)
var sb strings.Builder
sb.WriteString("{casino_emphasis}" + head + "{/}")
lineLen := len(head)
for i, tk := range tokens {
// The first token always follows the heading; later tokens wrap whole,
// never splitting a total from its payout.
if i > 0 && lineLen+1+tk.width > width {
sb.WriteString("\n" + indent)
lineLen = len(indent)
sb.WriteString(tk.tagged)
lineLen += tk.width
continue
}
sb.WriteByte(' ')
sb.WriteString(tk.tagged)
lineLen += 1 + tk.width
}
return sb.String()
}
|
