1 files changed, 25 insertions, 14 deletions

diff --git a/internal/casino/craps_rules.go b/internal/casino/craps_rules.go
index 86aa9bb..8d2f7d4 100644
--- a/internal/casino/craps_rules.go
+++ b/internal/casino/craps_rules.go
@@ -2,8 +2,7 @@ package casino
 
 import "fmt"
 
-// CrapsConfig intentionally supports bank craps only. Other games must supply
-// their own outcome rules, not silently inherit bank-craps probabilities.
+// CrapsConfig selects explicit house rules and the shared wager limits.
 type CrapsConfig struct {
 	Odds    int    `yaml:"odds,omitempty"` // 0 = 3-4-5x; positive = uniform Nx
 	Field12 int    `yaml:"field_12,omitempty"`
@@ -23,14 +22,23 @@ func validateCraps(c TableConfig) error {
 	if c.Craps.Field12 != 0 && c.Craps.Field12 != 2 && c.Craps.Field12 != 3 {
 		return fmt.Errorf("craps field_12 must be 2 or 3")
 	}
-	if c.Craps.Variant != "" && c.Craps.Variant != "bank" {
-		return fmt.Errorf("only bank craps is implemented")
+	switch c.Craps.variant() {
+	case "bank", "simplified", "high_point", "crapless", "new_york", "die_rich", "diceless":
+	default:
+		return fmt.Errorf("unknown craps variant %q", c.Craps.Variant)
+	}
+	if !c.Craps.allows("odds") && c.Craps.Odds != 0 {
+		return fmt.Errorf("this craps variant does not support odds")
 	}
 	return nil
 }
 func crapsNumber(n int) bool { return n == 4 || n == 5 || n == 6 || n == 8 || n == 9 || n == 10 }
 func crapsTrueOdds(n int) (int, int) {
 	switch n {
+	case 2, 12:
+		return 6, 1
+	case 3, 11:
+		return 3, 1
 	case 4, 10:
 		return 2, 1
 	case 5, 9:
@@ -43,6 +51,9 @@ func (c CrapsConfig) oddsLimit(n int, against bool) int {
 	if c.Odds > 0 {
 		return c.Odds
 	}
+	if c.variant() == "crapless" && !crapsNumber(n) {
+		return 1
+	}
 	if against {
 		return 6
 	}
@@ -57,11 +68,18 @@ func (c CrapsConfig) oddsLimit(n int, against bool) int {
 }
 func (c TableConfig) CrapsRulesText() string {
 	r := c.Craps.Normalize()
+	if r.variant() != "bank" && r.variant() != "diceless" {
+		return r.variantRulesText()
+	}
+	prefix := ""
+	if r.variant() == "diceless" {
+		prefix = "Diceless Craps — bank rules using cards, not dice. Two independent six-card packs labelled 1-6; draw one from each, replace and reshuffle BOTH after EVERY roll. All 36 ordered pairs are equally likely. No finite shoe or card counting.\n"
+	}
 	odds := "3-4-5x (don't: 6x laid)"
 	if r.Odds > 0 {
 		odds = fmt.Sprintf("%dx", r.Odds)
 	}
-	return fmt.Sprintf("Bank Craps | Free odds %s | Field 12 pays %d:1\n"+
+	return prefix + fmt.Sprintf("Bank Craps | Free odds %s | Field 12 pays %d:1\n"+
 		"bet <amount> on pass / dontpass / come / dontcome / field\n"+
 		"bet <amount> on place 6 / buy 4 / lay 10 / hard 8 / hop 2 3\n"+
 		"bet <amount> on seven / craps / eleven / ace-deuce / aces / boxcars / horn\n"+
@@ -79,7 +97,7 @@ func (c TableConfig) CrapsRulesText() string {
 		"Bets remain open until the roll. Dice rotate on seven-out.\n"+
 		"autoroll: repeat every 3 seconds on your turn (multiplayer waits 10 seconds).\n"+
 		"unbet <target>: remove non-contract bets/odds; pass/come contracts stay.\n"+
- "unbet all: return every optional bet and odds at once.\n"+
+		"unbet all: return every optional bet and odds at once.\n"+
 		"stop cancels autoroll without leaving; in manual mode stop/sitout wait for bets.\n"+
 		"Disconnect forfeits live bets.\n"+
 		"Winning bets return stake and are removed (no automatic pressing).", odds, r.Field12)
@@ -134,14 +152,7 @@ func crapsOutcome(kind string, n, a, b, point, field12 int) (bool, int, int) {
 			x, y = y, x
 		}
 		if kind == "place" {
-			switch n {
-			case 4, 10:
-				x, y = 9, 5
-			case 5, 9:
-				x, y = 7, 5
-			default:
-				x, y = 7, 6
-			}
+			x, y = crapsPlaceOdds(n)
 		}
 		return true, x, y
 	case "hard":