Add MayChooseRoll

cmd/bgammon-server/game.go

@@ -350,12 +350,18 @@ func (g *serverGame) listing(playerName []byte) *bgammon.GameListing {
 	} else {
 		playerCount = g.playerCount()
 	}
+
+	name := string(g.name)
+	if g.Acey {
+		name = "(Acey-deucey) " + name
+	}
+
 	return &bgammon.GameListing{
 		ID:       g.id,
 		Points:   g.Points,
 		Password: len(g.password) != 0,
 		Players:  playerCount,
-		Name:     string(g.name),
+		Name:     name,
 	}
 }
 

gamestate.go

@@ -105,6 +105,12 @@ func (g *GameState) MayRoll() bool {
 	}
 }
 
+// MayChooseRoll returns whether the player may send the 'ok' command, supplying
+// the chosen roll. This command only applies to acey-deucey games.
+func (g *GameState) MayChooseRoll() bool {
+	return g.Acey && g.Turn != 0 && g.Turn == g.PlayerNumber && ((g.Roll1 == 1 && g.Roll2 == 2) || (g.Roll1 == 2 && g.Roll2 == 1))
+}
+
 // MayOK returns whether the player may send the 'ok' command.
 func (g *GameState) MayOK() bool {
 	if g.Spectating || g.Winner != 0 {