From ff9002b96e35ad0808945e7c35791460c9ca8776 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Tue, 29 Sep 2026 17:50:33 -0400
Subject: feat: roulette racetrack betting, rename casino to domita fortuna

---
 internal/casino/roulette.go | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

(limited to 'internal/casino/roulette.go')

diff --git a/internal/casino/roulette.go b/internal/casino/roulette.go
index cae9d0d..252ac4c 100644
--- a/internal/casino/roulette.go
+++ b/internal/casino/roulette.go
@@ -8,8 +8,11 @@ import (
 )
 
 // RouletteConfig selects European (single zero) or American (double zero) rules.
+// Racetrack adds the French call bets and neighbours bets; it is a single-zero
+// layout only.
 type RouletteConfig struct {
 	DoubleZero bool `yaml:"double_zero,omitempty"`
+	Racetrack  bool `yaml:"racetrack,omitempty"`
 	SpinTicks  int  `yaml:"spin_ticks,omitempty"`
 }
 
@@ -501,7 +504,7 @@ func newRouletteTable(room int, cfg TableConfig, rng *rand.Rand) *rouletteTable
 	return &rouletteTable{tableCore: newTableCore[*roulettePlayer](&tableBase{RoomID: room, Config: cfg}), rng: rng}
 }
 func (t *rouletteTable) view() *RouletteSnapshot {
-	s := &RouletteSnapshot{DoubleZero: t.Config.Roulette.DoubleZero, Phase: string(t.phase), Wheel: rouletteWheel(t.Config.Roulette.DoubleZero)}
+	s := &RouletteSnapshot{DoubleZero: t.Config.Roulette.DoubleZero, Racetrack: t.Config.Roulette.Racetrack, Phase: string(t.phase), Wheel: rouletteWheel(t.Config.Roulette.DoubleZero)}
 	for _, p := range t.players.ordered() {
 		s.Players = append(s.Players, p.Name)
 	}
@@ -559,15 +562,16 @@ func (t *rouletteTable) bet(name, spot string, amount int, w Wallet) []Event {
 		spot = p.lastSpot
 	}
 	spot = normalizeRouletteSpot(spot)
-	_, mult := rouletteBet(spot, t.Config.Roulette.DoubleZero)
-	if mult == 0 {
+	resolved, ok := rouletteWagerFor(spot, t.Config.Roulette.DoubleZero, t.Config.Roulette.Racetrack)
+	if !ok {
 		return []Event{t.private(name, "Unknown roulette target. Use table to see all available bets.")}
 	}
 	if amount < t.Config.MinBet || amount > t.Config.MaxBet {
 		return []Event{t.private(name, "Roulette bets must be "+betRangeText(t.Config.MinBet, t.Config.MaxBet)+".")}
 	}
-	// Check total returns before committing even an unlimited wager.
-	if _, err := MulPayout(amount, float64(mult)); err != nil {
+	// Check every possible winning return before committing even an unlimited
+	// wager: a call bet's components pay different multiples.
+	if err := resolved.validate(amount); err != nil {
 		return []Event{t.private(name, "That wager's potential payout is too large.")}
 	}
 	wager, err := w.Wager(amount)
@@ -633,15 +637,14 @@ func (t *rouletteTable) settle() []Event {
 		if !p.HasBet {
 			continue
 		}
-		covered, mult := rouletteBet(p.lastSpot, t.Config.Roulette.DoubleZero)
+		wager, resolved := rouletteWagerFor(p.lastSpot, t.Config.Roulette.DoubleZero, t.Config.Roulette.Racetrack)
 		payout := 0
 		result := "loss"
 		var err error
-		for _, n := range covered {
-			if n == pocket {
+		if resolved {
+			if share, ok := wager.covers(pocket); ok {
 				result = "win"
-				payout, err = MulPayout(p.Wager.Total, float64(mult))
-				break
+				payout, err = share.payout(p.Wager.Total)
 			}
 		}
 		// PayCredits supports a zero return and atomically consumes a losing
@@ -746,9 +749,12 @@ func (t *rouletteTable) refundAll() []Event {
 // colors, Unicode preferences, or card-art settings.
 type RouletteSnapshot struct {
 	DoubleZero bool
-	Phase      string
-	Pockets    [3]string // physical wheel neighbors, not numerical neighbors
-	Players    []string
+	// Racetrack reports that the table also offers the French call bets and
+	// neighbours bets, so the renderer draws the racetrack panel.
+	Racetrack bool
+	Phase     string
+	Pockets   [3]string // physical wheel neighbors, not numerical neighbors
+	Players   []string
 	// Wheel is the pocket order clockwise from the top; the renderer colors
 	// and places each pocket. It carries the zero count (one or two) so the
 	// drawn wheel always matches the configured table.
-- 
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