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-rw-r--r--internal/casino/baccarat.go2
-rw-r--r--internal/casino/big_six.go530
-rw-r--r--internal/casino/big_six_test.go293
-rw-r--r--internal/casino/blackjack.go6
-rw-r--r--internal/casino/core.go3
-rw-r--r--internal/casino/craps_ux.go2
-rw-r--r--internal/casino/registry.go14
-rw-r--r--internal/casino/table_hints.go2
-rw-r--r--internal/casino/table_ux_test.go2
-rw-r--r--internal/casino/types.go1
10 files changed, 848 insertions, 7 deletions
diff --git a/internal/casino/baccarat.go b/internal/casino/baccarat.go
index f1ba951..d385834 100644
--- a/internal/casino/baccarat.go
+++ b/internal/casino/baccarat.go
@@ -113,7 +113,7 @@ func (t *baccaratTable) menuEvent(name string) Event {
}
commands := []MenuCommand{}
if p != nil && p.hasLastBet() {
- commands = append(commands, MenuCommand{Command: "bet", Desc: "Repeat your last bets"})
+ commands = append(commands, MenuCommand{Command: "bet / rebet", Desc: "Repeat your last bets"})
}
if p != nil && len(p.sides) > 0 {
commands = append(commands, MenuCommand{Command: "unbet", Desc: "Take back your side bets"})
diff --git a/internal/casino/big_six.go b/internal/casino/big_six.go
new file mode 100644
index 0000000..6d16bbc
--- /dev/null
+++ b/internal/casino/big_six.go
@@ -0,0 +1,530 @@
+package casino
+
+import (
+ "fmt"
+ "math/big"
+ "math/rand"
+ "strings"
+)
+
+// BigSixSpot describes a physical symbol and its profit odds. The dollar
+// labels follow Draft Kings; counts and odds are adjusted for this house.
+// Reference: https://wizardofodds.com/games/big-six/ (Draft Kings Rules).
+type BigSixSpot struct {
+ Label string
+ Count, Pays int
+}
+
+func BigSixSpots() []BigSixSpot {
+ return []BigSixSpot{
+ {"1", 24, 1}, {"2", 12, 3}, {"5", 6, 7}, {"10", 4, 11}, {"20", 2, 23},
+ {"SWORD", 1, 47}, {"SHIELD", 1, 47}, {"DOUBLE", 1, 0},
+ }
+}
+
+// Each ordinary symbol has count*(profit+1)=48. With N=51 and D=1,
+// E = 48/51 + (2/51)*E = 48/49 = 97.95918367%, for EVERY target.
+// DOUBLE is not a bet: it doubles all live stakes and spins again. No rounding.
+func bigSixHouseEdge(_ TableConfig, bet string) HouseEdge {
+ if bigSixPayout(bet) > 0 {
+ return edge(1.0 / 49)
+ }
+ return unknownEdge("unrecognized Big 6 target")
+}
+func bigSixTarget(s string) string {
+ return strings.TrimPrefix(strings.ToUpper(strings.TrimSpace(s)), "$")
+}
+func bigSixPayout(s string) int {
+ for _, spot := range BigSixSpots() {
+ if spot.Label == bigSixTarget(s) && spot.Pays > 0 {
+ return spot.Pays + 1
+ }
+ }
+ return 0
+}
+func bigSixRules(TableConfig) string {
+ return "Big 6: bet on $1, $2, $5, $10, $20, SWORD or SHIELD. Profit odds: 1, 3, 7, 11, 23, 47, 47 to 1. DOUBLE doubles every live bet and respins without a cap. RTP 48/49 (97.959%). Alone, place any number of bets then spin; multiplayer betting lasts 25 ticks, even with no bets."
+}
+
+// A fixed, interleaved physical wheel, never shuffled during a round.
+var bigSixWheel = func() []string {
+ var wheel []string
+ for _, spot := range BigSixSpots() {
+ for i := 0; i < spot.Count; i++ {
+ wheel = append(wheel, spot.Label)
+ }
+ }
+ rand.New(rand.NewSource(601)).Shuffle(len(wheel), func(i, j int) { wheel[i], wheel[j] = wheel[j], wheel[i] })
+ return wheel
+}()
+
+type bigSixBet struct {
+ spot string
+ wager Wager
+}
+type bigSixPlayer struct {
+ Participant
+ bets []bigSixBet
+ lastSpot string
+ lastBet int
+}
+
+func (p *bigSixPlayer) participantPtr() *Participant { return &p.Participant }
+
+type bigSixFrame struct{ delay, move int }
+type bigSixTable struct {
+ tableCore[*bigSixPlayer]
+ rng *rand.Rand
+ frames []bigSixFrame
+ frame, wait, position, winningIndex int
+ // Arbitrary precision keeps DOUBLE chains uncapped and prevents wraparound.
+ multiplier big.Int
+ lastResult *BigSixSnapshot
+}
+type BigSixSnapshot struct {
+ Players []string
+ Phase string
+ Pockets []string
+ Multiplier string
+ BettingTicks int
+ MinBet, MaxBet int
+}
+
+func (*BigSixSnapshot) snapshot() {}
+func newBigSixTable(room int, cfg TableConfig, rng *rand.Rand) *bigSixTable {
+ t := &bigSixTable{tableCore: newTableCore[*bigSixPlayer](&tableBase{RoomID: room, Config: cfg.Normalize()}), rng: rng}
+ t.multiplier.SetInt64(1)
+ return t
+}
+func (t *bigSixTable) active() int {
+ n := 0
+ for _, p := range t.players.ordered() {
+ if p.Connected && !p.SittingOut {
+ n++
+ }
+ }
+ return n
+}
+func (t *bigSixTable) openRound() []Event {
+ if t.phase == phaseWaiting && t.active() > 1 {
+ t.phase = phaseBetting
+ t.window.open(25)
+ return []Event{t.event("Big 6 betting is open for 25 ticks.", true)}
+ }
+ return nil
+}
+func (t *bigSixTable) view() *BigSixSnapshot {
+ s := &BigSixSnapshot{Phase: string(t.phase), Multiplier: t.multiplier.String(), BettingTicks: t.window.timer.remaining(), MinBet: t.Config.MinBet, MaxBet: t.Config.MaxBet}
+ for _, p := range t.players.ordered() {
+ s.Players = append(s.Players, p.Name)
+ }
+ return s
+}
+func (t *bigSixTable) strip(result bool) *BigSixSnapshot {
+ s := t.view()
+ count := 11
+ if result {
+ s.Phase = "result"
+ count = 9
+ }
+ for i := 0; i < count; i++ {
+ s.Pockets = append(s.Pockets, bigSixWheel[(t.position+i-count/2+len(bigSixWheel))%len(bigSixWheel)])
+ }
+ return s
+}
+func (t *bigSixTable) board(_ string) Snapshot {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ return t.view()
+}
+func (t *bigSixTable) wagerRows() []WagerRow {
+ if t.phase == phasePlaying {
+ return nil
+ }
+ var rows []WagerRow
+ for _, s := range BigSixSpots() {
+ if s.Pays > 0 {
+ rows = append(rows, WagerRow{Bet: s.Label, Payout: fmt.Sprintf("%d:1", s.Pays), Win: "Wheel stops on " + s.Label})
+ }
+ }
+ return rows
+}
+func (t *bigSixTable) wagers(_ string) []WagerRow {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ return t.wagerRows()
+}
+func (t *bigSixTable) commands(name string) []MenuCommand {
+ var c []MenuCommand
+ if p := t.players.get(name); p != nil && t.phase != phasePlaying {
+ c = append(c, MenuCommand{Command: "bet N on BET", Desc: "Add a wager"})
+ if p.lastBet > 0 {
+ c = append(c, MenuCommand{Command: "bet / rebet", Desc: "Repeat your last wager"})
+ }
+ if p.HasBet {
+ c = append(c, MenuCommand{Command: "unbet", Desc: "Take back all wagers"})
+ }
+ if t.phase == phaseWaiting {
+ c = append(c, MenuCommand{Command: "spin", Desc: "Start the wheel"})
+ }
+ }
+ c = append(c, MenuCommand{Command: "table", Desc: "Show the felt"}, MenuCommand{Command: "stop", Desc: "Leave after your bets settle"})
+ return withTableHints(c, t.wagerRows())
+}
+func (t *bigSixTable) hints(name string) []MenuCommand {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ return t.commands(name)
+}
+func (t *bigSixTable) menu(name string, board bool) Event {
+ e := t.betMenuEvent(name, t.commands(name))
+ if board {
+ e.Snapshot = t.view()
+ }
+ return e
+}
+func (t *bigSixTable) join(name string) []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ if t.players.has(name) {
+ return []Event{t.menu(name, true)}
+ }
+ if t.players.count() >= t.Config.MaxPlayers {
+ return []Event{t.private(name, "The Big 6 table is full.")}
+ }
+ e := t.addSeatLocked(name, &bigSixPlayer{Participant: Participant{Name: name, Connected: true}})
+ events := append([]Event{e}, t.openRound()...)
+ return append(events, t.menu(name, true))
+}
+func (t *bigSixTable) leave(name string) []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ p := t.players.get(name)
+ if p == nil {
+ return nil
+ }
+ if p.HasBet {
+ return []Event{t.private(name, "Your Big 6 wagers are committed until the round ends.")}
+ }
+ t.removeSeatLocked(name)
+ if t.players.count() == 0 {
+ t.reset()
+ }
+ return t.closeIfEmptyLocked([]Event{t.playerAction(name, name+" stands up.", "You stand up.")})
+}
+func (t *bigSixTable) bet(name, spot string, amount int, w Wallet) []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ p := t.players.get(name)
+ if p == nil {
+ return []Event{t.private(name, "You aren't playing Big 6.")}
+ }
+ if t.phase == phasePlaying {
+ return []Event{t.private(name, "No more bets! The wheel is spinning.")}
+ }
+ if spot == "" {
+ spot = p.lastSpot
+ }
+ spot = bigSixTarget(spot)
+ if bigSixPayout(spot) == 0 {
+ return []Event{t.private(name, "Bet on 1, 2, 5, 10, 20, SWORD or SHIELD. DOUBLE is automatic, not a bet.")}
+ }
+ if amount < t.Config.MinBet || amount > t.Config.MaxBet {
+ return []Event{t.private(name, "Big 6 bets must be "+betRangeText(t.Config.MinBet, t.Config.MaxBet)+".")}
+ }
+ // Keep the original aggregate representable for shared menus and refunds.
+ if amount > int(^uint(0)>>1)-p.Wager.Total {
+ return []Event{t.private(name, "Your total stake is too large.")}
+ }
+ wager, err := w.Wager(amount)
+ if err != nil {
+ return []Event{t.private(name, walletErrorMessage(err))}
+ }
+ p.bets = append(p.bets, bigSixBet{spot, wager})
+ p.HasBet = true
+ p.Wallet = w
+ p.Wager.Total += amount
+ p.lastSpot, p.lastBet, p.SittingOut = spot, amount, false
+ events := []Event{t.playerAction(name, fmt.Sprintf("%s bets %d on %s.", name, amount, spot), fmt.Sprintf("You bet %d on %s.", amount, spot))}
+ return append(events, t.openRound()...)
+}
+
+// Motion is planned backwards from an independently sampled uniform outcome.
+// Cosmetic randomness never consumes the table outcome RNG. Steps never grow
+// and waits never shrink, so the wheel only ever slows.
+//
+// The final approach ticks one space at a time. The wheel caps its wait so
+// it never crawls, but each click has a 50% chance of one more, so it can
+// tease forever. Half the time the very last click does not advance at all:
+// it re-prints the winning space. Only that last click may take a long pause.
+func bigSixAnimation() []bigSixFrame {
+ var frames []bigSixFrame
+ // Opening blur: 3-6 prints of 4-8 spaces each, easing down. (Two steps
+ // shorter than before so the wheel reaches its final approach sooner.)
+ step := 4 + rand.Intn(5) // 4..8
+ for n := 3 + rand.Intn(4); n > 0; n-- {
+ frames = append(frames, bigSixFrame{1, step})
+ if step > 4 && rand.Intn(2) == 0 {
+ step--
+ }
+ }
+ // The wheel eases down: longer waits, shorter hops.
+ step = min(step, 2+rand.Intn(3)) // 2..4
+ for n := 1 + rand.Intn(2); n > 0; n-- {
+ frames = append(frames, bigSixFrame{2, step})
+ }
+ step = min(step, 1+rand.Intn(2)) // 1..2
+ frames = append(frames, bigSixFrame{3, step})
+ // Final approach: single-space clicks. The wait is capped at maxApproachWait
+ // so the wheel keeps moving; after at least three clicks it may stop, but
+ // each further click has a 50% chance to continue.
+ const maxApproachWait = 4
+ for clicks := 1; ; clicks++ {
+ frames = append(frames, bigSixFrame{maxApproachWait, 1})
+ if clicks >= 3 && rand.Intn(2) == 0 {
+ break
+ }
+ }
+ // Half the time the wheel makes one final stationary click, printing the
+ // winning space again instead of ticking over to the next one.
+ if rand.Intn(2) == 0 {
+ frames = append(frames, bigSixFrame{maxApproachWait, 0})
+ }
+ // Occasionally a long suspense pause before the final click.
+ if rand.Intn(3) == 0 {
+ frames[len(frames)-1].delay = 8 + rand.Intn(5)
+ }
+ return frames
+}
+func (t *bigSixTable) startSpin() Event {
+ t.phase = phasePlaying
+ t.window.close()
+ t.winningIndex = t.rng.Intn(len(bigSixWheel))
+ t.frames = bigSixAnimation()
+ t.frame = 0
+ distance := 0
+ for _, f := range t.frames {
+ distance += f.move
+ }
+ t.position = (t.winningIndex - distance%len(bigSixWheel) + len(bigSixWheel)) % len(bigSixWheel)
+ t.wait = t.frames[0].delay
+ return t.event("No more bets! The brass Big 6 wheel begins to turn...", true)
+}
+func (t *bigSixTable) tick() []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ if t.phase == phaseWaiting {
+ return t.openRound()
+ }
+ if t.phase == phaseBetting {
+ t.window.timer.tick()
+ if t.window.timer.expired() {
+ return []Event{t.startSpin()}
+ }
+ return nil
+ }
+ t.wait--
+ if t.wait > 0 {
+ return nil
+ }
+ t.position = (t.position + t.frames[t.frame].move) % len(bigSixWheel)
+ t.frame++
+ if t.frame == len(t.frames) {
+ return t.settle()
+ }
+ t.wait = t.frames[t.frame].delay
+ e := t.event("", true)
+ e.Snapshot = t.strip(false)
+ return []Event{e}
+}
+func (t *bigSixTable) settle() []Event {
+ spot := bigSixWheel[t.winningIndex]
+ t.position = t.winningIndex
+ e := t.event("The pointer stops on {casino_emphasis}"+spot+"{/}!", true)
+ e.Snapshot = t.strip(true)
+ t.lastResult = e.Snapshot.(*BigSixSnapshot)
+ events := []Event{e}
+ if spot == "DOUBLE" {
+ t.multiplier.Lsh(&t.multiplier, 1)
+ events = append(events, t.event("DOUBLE! Every live bet doubles; the same bets ride again. Stake multiplier: "+t.multiplier.String()+"x.", true))
+ return append(events, t.startSpin())
+ }
+ for _, p := range t.players.ordered() {
+ if !p.HasBet {
+ continue
+ }
+ total := new(big.Int)
+ var ids []string
+ var lines []SettlementLine
+ representable := true
+ for _, b := range p.bets {
+ ids = append(ids, b.wager.ID)
+ returned := new(big.Int)
+ result := "loss"
+ if b.spot == spot {
+ returned.Mul(big.NewInt(int64(b.wager.Total)), &t.multiplier)
+ returned.Mul(returned, big.NewInt(int64(bigSixPayout(spot))))
+ result = "win"
+ }
+ total.Add(total, returned)
+ if !returned.IsInt64() || returned.Cmp(big.NewInt(int64(int(^uint(0)>>1)))) > 0 {
+ representable = false
+ }
+ odds := new(big.Int).Mul(&t.multiplier, big.NewInt(int64(bigSixPayout(b.spot))))
+ odds.Sub(odds, big.NewInt(1))
+ lines = append(lines, SettlementLine{Label: b.spot, Odds: odds.String() + ":1", Stake: b.wager.Total, Returned: int(returned.Int64()), Result: result})
+ }
+ if !total.IsInt64() || total.Cmp(big.NewInt(int64(int(^uint(0)>>1)))) > 0 {
+ representable = false
+ }
+ // One atomic save pays ALL bets and consumes exactly their ledger handles.
+ // Unrepresentable payouts stay pending for recovery, never wrap or clamp.
+ failed := !representable
+ if !failed {
+ failed = p.Wallet.PayCredits(int(total.Int64()), ids...) != nil
+ }
+ ev := t.playerAction(p.Name, p.Name+" settles their Big 6 wagers.", "")
+ if failed {
+ ev.PrivateMessage = payoutFailedMessage()
+ ev.Message = p.Name + "'s settlement is pending recovery."
+ } else {
+ ev.PrivateMessage = settlementText(lines)
+ ev.Settlement = lines
+ if t.multiplier.Cmp(big.NewInt(1)) > 0 {
+ ev.SettlementNote = "DOUBLE stake multiplier: " + t.multiplier.String() + "x; odds and net are relative to your original stake."
+ }
+ ev.Color = settlementTag(lines)
+ }
+ // The next-spin menu already shows the balance for seats that remain.
+ // Only a departing or disconnected seat needs it here, otherwise the
+ // wallet would print twice after a result.
+ ev.ShowBalance = !failed && (p.LeaveAfter || p.SitOutAfter || !p.Connected)
+ events = append(events, ev)
+ }
+ t.reset()
+ events = append(events, t.finishControlsLocked()...)
+ events = append(events, t.openRound()...)
+ for _, p := range t.players.ordered() {
+ if p.Connected && !p.SittingOut {
+ events = append(events, t.menu(p.Name, false))
+ }
+ }
+ return events
+}
+func (t *bigSixTable) reset() {
+ t.phase = phaseWaiting
+ t.window.close()
+ t.frames = nil
+ t.multiplier.SetInt64(1)
+ for _, p := range t.players.ordered() {
+ p.bets = nil
+ p.HasBet = false
+ p.Wager = Wager{}
+ }
+}
+func (t *bigSixTable) action(name, action string) []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ p := t.players.get(name)
+ if p == nil {
+ return []Event{t.private(name, "You aren't playing Big 6.")}
+ }
+ if action == "unbet" {
+ if t.phase == phasePlaying {
+ return []Event{t.private(name, "You cannot unbet after the wheel starts, including DOUBLE respins.")}
+ }
+ if !p.HasBet {
+ return []Event{t.private(name, "Nothing to take back.")}
+ }
+ var ids []string
+ for _, b := range p.bets {
+ ids = append(ids, b.wager.ID)
+ }
+ if err := p.Wallet.PayCredits(p.Wager.Total, ids...); err != nil {
+ return []Event{t.private(name, payoutFailedMessage())}
+ }
+ total := p.Wager.Total
+ p.bets = nil
+ p.HasBet = false
+ p.Wager = Wager{}
+ return []Event{t.private(name, fmt.Sprintf("You take back %d credits.", total))}
+ }
+ if action == "spin" {
+ if t.phase == phasePlaying {
+ return []Event{t.private(name, "The wheel is already spinning.")}
+ }
+ if t.phase == phaseBetting {
+ return []Event{t.private(name, fmt.Sprintf("The shared betting round has %d ticks remaining.", t.window.timer.remaining()))}
+ }
+ if !p.HasBet {
+ return []Event{t.private(name, "Place your bets before spinning.")}
+ }
+ return []Event{t.startSpin()}
+ }
+ if events, ok := t.controlLocked(name, action); ok {
+ return events
+ }
+ return []Event{t.private(name, "Place bets, then spin. Use rules for Big 6 help.")}
+}
+func (t *bigSixTable) rebet(name string) (string, int) {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ if p := t.players.get(name); p != nil && p.lastBet > 0 {
+ return p.lastSpot, p.lastBet
+ }
+ return "", t.Config.MinBet
+}
+func (t *bigSixTable) status(name string) []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ events := []Event{t.menu(name, true)}
+ if t.phase != phasePlaying && t.lastResult != nil {
+ e := t.private(name, "Last stop:")
+ e.Snapshot = t.lastResult
+ events = append(events, e)
+ }
+ return events
+}
+func (t *bigSixTable) markDisconnected(name string) []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ p := t.players.get(name)
+ if p == nil {
+ return nil
+ }
+ // Once animation reveals positions, refunds would permit selective losses.
+ // Match the casino's disconnect-forfeit convention for exposed games.
+ var events []Event
+ if p.Wallet != nil {
+ var err error
+ if p.HasBet && t.phase == phasePlaying {
+ var ids []string
+ for _, b := range p.bets {
+ ids = append(ids, b.wager.ID)
+ }
+ err = p.Wallet.PayCredits(0, ids...)
+ } else {
+ _, _, err = p.Wallet.RefundOutstanding()
+ }
+ if err != nil {
+ events = append(events, t.private(name, payoutFailedMessage()))
+ }
+ }
+ t.removeSeatLocked(name)
+ if t.players.count() == 0 {
+ t.reset()
+ }
+ return t.closeIfEmptyLocked(append(events, t.event(name+" stands up.", true)))
+}
+func (t *bigSixTable) refundAll() []Event {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ events := t.refundAllLocked()
+ t.reset()
+ return events
+}
+func (t *bigSixTable) busy(_ string) bool {
+ t.mu.Lock()
+ defer t.mu.Unlock()
+ return t.phase == phasePlaying
+}
diff --git a/internal/casino/big_six_test.go b/internal/casino/big_six_test.go
new file mode 100644
index 0000000..cccad77
--- /dev/null
+++ b/internal/casino/big_six_test.go
@@ -0,0 +1,293 @@
+package casino
+
+import (
+ "math"
+ "math/big"
+ "math/rand"
+ "strings"
+ "testing"
+)
+
+func newBigSixTest() *bigSixTable {
+ return newBigSixTable(1, TableConfig{ID: "wheel", Game: GameBigSix}, rand.New(rand.NewSource(123)))
+}
+func forceBigSix(t *bigSixTable, spot string) []Event {
+ for i, s := range bigSixWheel {
+ if s == spot {
+ t.winningIndex = i
+ return t.settle()
+ }
+ }
+ panic("unknown test symbol")
+}
+func TestBigSixRTPAndRegistry(t *testing.T) {
+ cfg := TableConfig{ID: "wheel", Game: GameBigSix}
+ if err := cfg.Validate(); err != nil {
+ t.Fatal(err)
+ }
+ if cfg.Normalize().BettingTicks != 25 || cfg.HelpTopic() != "big6" || newTable(1, cfg, newTestRand()) == nil {
+ t.Fatal("registration")
+ }
+ counts := map[string]int{}
+ for _, s := range bigSixWheel {
+ counts[s]++
+ }
+ if len(bigSixWheel) != 51 || counts["DOUBLE"] != 1 {
+ t.Fatal(counts)
+ }
+ for _, s := range BigSixSpots() {
+ if counts[s.Label] != s.Count {
+ t.Fatal(s)
+ }
+ if s.Pays == 0 {
+ continue
+ }
+ rtp := float64(s.Count*(s.Pays+1)) / float64(len(bigSixWheel)-2*counts["DOUBLE"])
+ if rtp < .978 || rtp > .985 || math.Abs(rtp-48.0/49) > 1e-12 {
+ t.Fatal(s, rtp)
+ }
+ if e := cfg.HouseEdge(s.Label); len(e.Parts) != 1 || math.Abs(e.Parts[0].Loss-(1-rtp)) > 1e-12 {
+ t.Fatal(e)
+ }
+ }
+ if len(cfg.HouseEdge("DOUBLE").Parts) != 0 {
+ t.Fatal("DOUBLE is not a target")
+ }
+}
+func TestBigSixMultipleBetsAndDouble(t *testing.T) {
+ table := newBigSixTest()
+ table.join("a")
+ w := &recordingWallet{testWallet: testWallet{credits: 100}}
+ table.bet("a", "$1", 10, w)
+ table.bet("a", "sword", 2, w)
+ table.bet("a", "1", 3, w)
+ if table.phase != phaseWaiting || len(w.open) != 3 {
+ t.Fatal("bet started spin or lost wager")
+ }
+ table.action("a", "spin")
+ if table.phase != phasePlaying {
+ t.Fatal("spin")
+ }
+ forceBigSix(table, "DOUBLE")
+ forceBigSix(table, "DOUBLE")
+ if table.multiplier.String() != "4" || w.paid != 0 || len(w.open) != 3 {
+ t.Fatal("DOUBLE must ride all bets without cashing out")
+ }
+ table.bet("a", "2", 1, w)
+ table.action("a", "unbet")
+ if len(w.open) != 3 || len(table.players.get("a").bets) != 3 {
+ t.Fatal("bet/unbet accepted during respin")
+ }
+ events := forceBigSix(table, "1")
+ if w.paid != 104 || len(w.open) != 0 || len(w.payStakes) != 3 {
+ t.Fatal("wrong payout/ledger", w)
+ }
+ for _, e := range events {
+ if len(e.Settlement) > 0 {
+ if len(e.Settlement) != 3 || e.Settlement[0].Stake != 10 || e.Settlement[0].Returned != 80 || e.Settlement[0].Odds != "7:1" {
+ t.Fatal(e.Settlement)
+ }
+ }
+ }
+ if table.multiplier.String() != "1" || table.phase != phaseWaiting {
+ t.Fatal("not reset")
+ }
+}
+func TestBigSixUncappedDoubleAndSafeOverflow(t *testing.T) {
+ table := newBigSixTest()
+ table.join("a")
+ w := &testWallet{credits: 10}
+ table.bet("a", "1", 1, w)
+ table.action("a", "spin")
+ for i := 0; i < 130; i++ {
+ forceBigSix(table, "DOUBLE")
+ }
+ if table.multiplier.Cmp(new(big.Int).Lsh(big.NewInt(1), 130)) != 0 {
+ t.Fatal("DOUBLE capped or wrapped")
+ }
+ events := forceBigSix(table, "1")
+ if w.paid != 0 || len(w.open) != 1 {
+ t.Fatal("overflow must not pay or consume pending stake")
+ }
+ for _, e := range events {
+ if len(e.Settlement) > 0 {
+ t.Fatal("announced unbanked payout")
+ }
+ }
+ table.refundAll()
+ if len(w.open) != 0 {
+ t.Fatal("recovery did not refund")
+ }
+}
+func TestBigSixMultiplayerClockWithoutBets(t *testing.T) {
+ table := newBigSixTest()
+ table.join("a")
+ table.join("b")
+ if table.phase != phaseBetting || table.window.timer.remaining() != 25 {
+ t.Fatal("join must open betting")
+ }
+ table.action("a", "spin")
+ for i := 0; i < 24; i++ {
+ table.tick()
+ if table.phase != phaseBetting {
+ t.Fatal("early spin", i)
+ }
+ }
+ table.tick()
+ if table.phase != phasePlaying {
+ t.Fatal("empty round did not spin")
+ }
+ forceBigSix(table, "2")
+ if table.phase != phaseBetting || table.window.timer.remaining() != 25 {
+ t.Fatal("next window")
+ }
+}
+func TestBigSixAnimationGeometryAndTiming(t *testing.T) {
+ sawLong, sawVariation := false, false
+ length := 0
+ for round := 0; round < 250; round++ {
+ table := newBigSixTest()
+ table.startSpin()
+ frames := append([]bigSixFrame(nil), table.frames...)
+ if length != 0 && length != len(frames) {
+ sawVariation = true
+ }
+ length = len(frames)
+ fast := 0
+ prevStep, prevDelay := 10, 1
+ for i, f := range frames {
+ if f.delay == 1 {
+ fast++
+ }
+ if f.delay >= 8 {
+ sawLong = true
+ }
+ if f.move > prevStep || f.delay < prevDelay {
+ t.Fatalf("not slowing: %+v", frames)
+ }
+ if f.delay == 1 && (f.move < 4 || f.move > 8) || f.delay == 2 && (f.move < 2 || f.move > 4) || f.delay == 3 && (f.move < 1 || f.move > 2) {
+ t.Fatal(frames)
+ }
+ // Only the very last click may take a long pause; everything else
+ // is capped so the wheel never crawls.
+ if i < len(frames)-1 && f.delay > 4 {
+ t.Fatalf("wait uncapped before the last click: %+v", frames)
+ }
+ prevStep, prevDelay = f.move, f.delay
+ }
+ if fast < 3 || fast > 6 {
+ t.Fatal("fast count", fast)
+ }
+ // The final approach is all single-space clicks, with an optional
+ // stationary click at the very end.
+ approach := 0
+ for i := len(frames) - 1; i >= 0 && frames[i].move <= 1; i-- {
+ approach++
+ }
+ if approach < 3 {
+ t.Fatalf("wheel must click one space at least 3 times at rest: %+v", frames)
+ }
+ if frames[len(frames)-1].move > 1 {
+ t.Fatalf("final click must stay or advance one space: %+v", frames)
+ }
+ winner := table.winningIndex
+ position := table.position
+ for i, f := range frames {
+ for wait := 1; wait < f.delay; wait++ {
+ if e := table.tick(); len(e) != 0 {
+ t.Fatal("early frame")
+ }
+ }
+ events := table.tick()
+ position = (position + f.move) % len(bigSixWheel)
+ var s *BigSixSnapshot
+ for _, e := range events {
+ if v, ok := e.Snapshot.(*BigSixSnapshot); ok {
+ s = v
+ break
+ }
+ }
+ if s == nil {
+ t.Fatal("missing frame")
+ }
+ count := 11
+ if i == len(frames)-1 {
+ count = 9
+ if position != winner {
+ t.Fatal("outcome teleport")
+ }
+ }
+ if len(s.Pockets) != count {
+ t.Fatal("strip width", s)
+ }
+ for j, p := range s.Pockets {
+ if p != bigSixWheel[(position+j-count/2+51)%51] {
+ t.Fatal("invented neighbor")
+ }
+ }
+ }
+ }
+ if !sawLong || !sawVariation {
+ t.Fatal("no suspense variation")
+ }
+}
+func TestBigSixUnbetAndDisconnect(t *testing.T) {
+ for _, spinning := range []bool{false, true} {
+ table := newBigSixTest()
+ table.join("a")
+ w := &testWallet{credits: 100}
+ table.bet("a", "1", 10, w)
+ table.bet("a", "2", 20, w)
+ if spinning {
+ table.action("a", "spin")
+ forceBigSix(table, "DOUBLE")
+ } else {
+ table.action("a", "unbet")
+ if w.paid != 30 || len(w.open) != 0 || table.players.get("a").HasBet {
+ t.Fatal("unbet")
+ }
+ table.bet("a", "1", 10, w)
+ }
+ table.markDisconnected("a")
+ if len(w.open) != 0 || table.players.count() != 0 || table.phase != phaseWaiting {
+ t.Fatal("disconnect cleanup")
+ }
+ if spinning && w.paid != 0 {
+ t.Fatal("selective refund exploit")
+ }
+ }
+}
+func TestBigSixSettlementFailureAndDeparture(t *testing.T) {
+ table := newBigSixTest()
+ table.join("a")
+ w := &failingPayoutWallet{testWallet: testWallet{credits: 100}}
+ table.bet("a", "1", 10, w)
+ table.action("a", "spin")
+ events := forceBigSix(table, "1")
+ if len(w.open) != 1 {
+ t.Fatal("failed payout consumed stake")
+ }
+ found := false
+ for _, e := range events {
+ if strings.Contains(e.Message, "pending recovery") {
+ found = true
+ }
+ if len(e.Settlement) > 0 {
+ t.Fatal("fake receipt")
+ }
+ }
+ if !found {
+ t.Fatal("missing error")
+ }
+ table.refundAll()
+ table.bet("a", "1", 1, &testWallet{credits: 10})
+ table.action("a", "leave_after")
+ table.action("a", "spin")
+ events = forceBigSix(table, "2")
+ if table.players.count() != 0 {
+ t.Fatal("queued departure")
+ }
+ if s, ok := events[0].Snapshot.(*BigSixSnapshot); !ok || len(s.Players) != 1 || s.Players[0] != "a" {
+ t.Fatal("departing player lost result visibility")
+ }
+}
diff --git a/internal/casino/blackjack.go b/internal/casino/blackjack.go
index 5656129..b5beb1e 100644
--- a/internal/casino/blackjack.go
+++ b/internal/casino/blackjack.go
@@ -112,12 +112,12 @@ func (t *blackjackTable) menuEvent(name string) Event {
if t.phase == blackjackPlaying || t.phase == blackjackInsurance {
return t.private(name, "Round in progress. You’ll join the next hand; table shows the current action.")
}
- amount, desc := t.Config.MinBet, "Table minimum"
+ amount, desc, betCmd := t.Config.MinBet, "Table minimum", "bet"
if p := t.players.get(name); p != nil && p.lastBet > 0 {
- amount, desc = p.lastBet, "Repeat wager"
+ amount, desc, betCmd = p.lastBet, "Repeat wager", "bet / rebet"
}
e := t.betMenuEvent(name, []MenuCommand{
- {Command: "bet", Desc: fmt.Sprintf("%s: %d credits (also: rebet)", desc, amount)},
+ {Command: betCmd, Desc: fmt.Sprintf("%s: %d credits", desc, amount)},
{Command: "bet N", Desc: "Change wager; min/max accepted"},
{Command: "stop", Desc: "Leave; during a round, leave afterward"},
{Command: "table", Desc: "Check the table"},
diff --git a/internal/casino/core.go b/internal/casino/core.go
index f51dde3..3956750 100644
--- a/internal/casino/core.go
+++ b/internal/casino/core.go
@@ -187,6 +187,9 @@ func settleStakeOutcome(w Wallet, payout int, stakeIDs []string, payoutErr error
// gameTitle renders a configured game name as a message heading.
func gameTitle(game GameName) string {
+ if game == GameBigSix {
+ return "Big 6"
+ }
name := string(game)
if name == "" {
return "Table"
diff --git a/internal/casino/craps_ux.go b/internal/casino/craps_ux.go
index e64feb3..9538e7c 100644
--- a/internal/casino/craps_ux.go
+++ b/internal/casino/craps_ux.go
@@ -16,7 +16,7 @@ func (t *crapsTable) commands(name string) []MenuCommand {
// Pass is the only target, so the bare bet is a rebet.
if p.lastBet > 0 {
commands = append(commands,
- MenuCommand{Command: "bet", Desc: fmt.Sprintf("Rebet %d on pass (also: rebet)", p.lastBet)},
+ MenuCommand{Command: "bet / rebet", Desc: fmt.Sprintf("Rebet %d on pass", p.lastBet)},
MenuCommand{Command: "bet N", Desc: "New amount on pass; the dice roll 3 ticks after a bet"})
} else {
commands = append(commands, MenuCommand{Command: "bet N", Desc: "Wager on pass; the dice roll 3 ticks after a bet"})
diff --git a/internal/casino/registry.go b/internal/casino/registry.go
index a27a9dd..4366bc6 100644
--- a/internal/casino/registry.go
+++ b/internal/casino/registry.go
@@ -84,6 +84,20 @@ func init() {
ruleText: func(c TableConfig) string { return c.CrapsRulesText() },
helpTopic: func(c TableConfig) string { return c.Craps.helpTopic() },
},
+ GameBigSix: {
+ houseEdge: bigSixHouseEdge,
+ validate: func(c TableConfig) error {
+ if c.BettingTicks != 0 && c.BettingTicks != 25 {
+ return fmt.Errorf("Big 6 betting_ticks must be 25")
+ }
+ return nil
+ },
+ normalize: func(c TableConfig) TableConfig { c.BettingTicks = 25; return c },
+ hasRuleBlock: func(TableConfig) bool { return false },
+ new: func(room int, c TableConfig, rng *rand.Rand) tableGame { return newBigSixTable(room, c, rng) },
+ ruleText: bigSixRules,
+ helpTopic: func(TableConfig) string { return "big6" },
+ },
GameRoulette: {
houseEdge: rouletteHouseEdge,
validate: func(c TableConfig) error {
diff --git a/internal/casino/table_hints.go b/internal/casino/table_hints.go
index eafb05e..5b1d86e 100644
--- a/internal/casino/table_hints.go
+++ b/internal/casino/table_hints.go
@@ -75,7 +75,7 @@ func baccaratHintCommands(t *baccaratTable, name string) []MenuCommand {
}
commands := []MenuCommand{}
if p != nil && p.hasLastBet() {
- commands = append(commands, MenuCommand{Command: "bet", Desc: "Repeat your last bets"})
+ commands = append(commands, MenuCommand{Command: "bet / rebet", Desc: "Repeat your last bets"})
}
if p != nil && len(p.sides) > 0 {
commands = append(commands, MenuCommand{Command: "unbet", Desc: "Take back your side bets"})
diff --git a/internal/casino/table_ux_test.go b/internal/casino/table_ux_test.go
index f81d537..9589deb 100644
--- a/internal/casino/table_ux_test.go
+++ b/internal/casino/table_ux_test.go
@@ -223,7 +223,7 @@ func TestRebetMenusAndMidRoundJoin(t *testing.T) {
}
bac.bet("alice", "banker", 25, &testWallet{credits: 100})
menu := bac.menuEvent("alice").Menu
- if !menu.Repeat || menu.Commands[0].Command != "bet" || !strings.Contains(menu.Commands[0].Desc, "Repeat") {
+ if !menu.Repeat || menu.Commands[0].Command != "bet / rebet" || !strings.Contains(menu.Commands[0].Desc, "Repeat") {
t.Fatalf("missing rebet details: %+v", menu)
}
}
diff --git a/internal/casino/types.go b/internal/casino/types.go
index 570d0ac..8986dc1 100644
--- a/internal/casino/types.go
+++ b/internal/casino/types.go
@@ -20,6 +20,7 @@ const (
GameBlackjack GameName = "blackjack"
GameBaccarat GameName = "baccarat"
GameRoulette GameName = "roulette"
+ GameBigSix GameName = "big6"
GameCraps GameName = "craps"
)
generated by cgit v1.2.3 (git 2.25.1) at 2026-10-24 14:48:04 +0000