1 files changed, 120 insertions, 0 deletions
diff --git a/internal/casino/craps_clock.go b/internal/casino/craps_clock.go
new file mode 100644
index 0000000..cb43731
--- /dev/null
+++ b/internal/casino/craps_clock.go
@@ -0,0 +1,120 @@
+package casino
+
+import (
+	"fmt"
+	"time"
+)
+
+const (
+	crapsBetDelay    = 10 * time.Second
+	crapsDealerDelay = 60 * time.Second
+	crapsAutoDelay   = 3 * time.Second
+)
+
+func crapsSeconds(d time.Duration) int {
+	if d <= 0 {
+		return 0
+	}
+	return int((d + time.Second - 1) / time.Second)
+}
+func (t *crapsTable) shooter() *crapsPlayer {
+	if len(t.queue) == 0 {
+		return nil
+	}
+	return t.players.get(t.queue[0])
+}
+func (t *crapsTable) hasLiveBets() bool {
+	for _, p := range t.players.ordered() {
+		if p.HasBet {
+			return true
+		}
+	}
+	return false
+}
+func (t *crapsTable) activePlayers() int {
+	n := 0
+	for _, p := range t.players.ordered() {
+		if p.Connected && !p.SittingOut {
+			n++
+		}
+	}
+	return n
+}
+
+// Called under the table lock whenever seats or wagers change. Only entering
+// multiplayer or starting a new round opens a window; adding bets never
+// extends it. A solo player has no forced deadline at all.
+func (t *crapsTable) syncRoundClock() []Event {
+	multi := t.activePlayers() > 1
+	if !t.hasLiveBets() {
+		t.phase = phaseWaiting
+		t.roundElapsed = 0
+		t.lastCall = false
+		t.multiplayer = multi
+		return nil
+	}
+	fresh := t.phase == phaseWaiting || (multi && !t.multiplayer)
+	t.multiplayer = multi
+	if fresh {
+		t.roundElapsed = 0
+		t.lastCall = false
+	}
+	t.phase = phasePlaying
+	if multi && t.roundElapsed < crapsBetDelay {
+		t.phase = phaseBetting
+	}
+	if fresh && multi {
+		return []Event{t.event("{casino_emphasis}Bets open{/} — 10 seconds before the shooter can roll. Betting stays open until the dice roll.", true)}
+	}
+	return nil
+}
+
+func (t *crapsTable) tickElapsed(elapsed time.Duration) []Event {
+	t.mu.Lock()
+	defer t.mu.Unlock()
+	events := t.syncRoundClock()
+	if elapsed <= 0 || !t.hasLiveBets() {
+		return events
+	}
+	t.roundElapsed += elapsed
+	p := t.shooter()
+	if p == nil {
+		return events
+	}
+	if p.autoRoll && p.HasBet {
+		p.autoElapsed += elapsed
+	}
+	if t.multiplayer && !t.lastCall && t.roundElapsed >= crapsBetDelay-3*time.Second {
+		t.lastCall = true
+		events = append(events, t.event(fmt.Sprintf("{casino_warning}Last call for bets! 3 seconds until %s can shoot!{/}", p.Name), true))
+	}
+	if t.multiplayer && t.roundElapsed < crapsBetDelay {
+		return events
+	}
+	if t.phase == phaseBetting {
+		events = append(events, t.event(fmt.Sprintf("{casino_emphasis}%s can shoot!{/} Bets stay open until the roll. Dealer rolls in 60 seconds if needed.", p.Name), true))
+	}
+	t.phase = phasePlaying
+	if (p.autoRoll && p.HasBet && p.autoElapsed >= crapsAutoDelay) || (t.multiplayer && t.roundElapsed >= crapsBetDelay+crapsDealerDelay) {
+		return append(events, t.roll()...)
+	}
+	return events
+}
+
+// StopAutoRoll is atomic with ticking and does not queue a departure or touch
+// any wager. A second stop, in manual mode, retains normal casino leave behavior.
+func (t *Table) StopAutoRoll(name string) ([]Event, bool) {
+	game, ok := t.game.(*crapsTable)
+	if !ok {
+		return nil, false
+	}
+	game.mu.Lock()
+	defer game.mu.Unlock()
+	p := game.players.get(name)
+	if p == nil || !p.autoRoll {
+		return nil, false
+	}
+	p.autoRoll = false
+	p.autoElapsed = 0
+	return []Event{game.private(name, "{casino_emphasis}Autoroll OFF{/} — manual play resumed. Your bets stay on the table.")}, true
+}