Merge remote-tracking branch 'origin/feature/casino-holdem-allin-runout' into feature/casino-holdem-dealer-batch

# Conflicts:
#	JoshHeaps.Net/wwwroot/js/casino/holdem/betting.js

JoshHeaps.Net/wwwroot/css/casino/holdem.css

@@ -1480,6 +1480,12 @@ body.hasActionBar #holdemSidebar {
     font-variant-numeric: tabular-nums;
 }
 
+.actionRunout {
+    margin-left: auto;
+    color: #d8b46a;
+    font-size: 0.74rem;
+}
+
 .actionWho {
     margin-left: auto;
     color: #9c9c9c;

JoshHeaps.Net/wwwroot/js/casino/holdem/actionBar.js

@@ -74,6 +74,16 @@ const ActionBar = {
         players.textContent = `${remaining} ${remaining === 1 ? "player" : "players"}`;
         row.appendChild(players);
 
+        // Nobody is being asked to act because nobody can — say so, or the bar just
+        // looks like it's waiting for something.
+        if (Betting.isRunningOut(this.state) && !Betting.isHandOver(this.state)) {
+            const runout = document.createElement("span");
+            runout.className = "actionRunout";
+            const stillIn = Betting.liveSeats(this.state).length;
+            runout.textContent = `All-in — running out the board (${stillIn} players)`;
+            row.appendChild(runout);
+        }
+
         const index = this.state.actingSeatIndex;
         if (index !== null && index !== undefined && !Betting.isHandOver(this.state)) {
             const player = this.state.seats[index];

JoshHeaps.Net/wwwroot/js/casino/holdem/betting.js

@@ -70,7 +70,19 @@ const Betting = {
         for (let step = 1; step <= count; step++) {
             const index = this.seatAt(state, fromIndex, step);
             const player = state.seats[index];
-            if (player.inHand && !player.folded && this.stackOf(state, player) >= 0) return index;
+            if (player.inHand && !player.folded) return index;
+        }
+        return null;
+    },
+
+    // Who the dealer asks next. A player who is all-in is still in the hand and still
+    // wins pots, but has no decision left, so the action passes over them.
+    nextToAct(state, fromIndex) {
+        const count = state.seatCount;
+        for (let step = 1; step <= count; step++) {
+            const index = this.seatAt(state, fromIndex, step);
+            const player = state.seats[index];
+            if (player.inHand && !player.folded && this.stackOf(state, player) > this.EPSILON_CHIPS) return index;
         }
         return null;
     },
@@ -156,7 +168,7 @@ const Betting = {
     },
 
     passAction(state, index) {
-        state.actingSeatIndex = this.isStreetComplete(state) ? null : this.nextLiveIndex(state, index);
+        state.actingSeatIndex = this.isStreetComplete(state) ? null : this.nextToAct(state, index);
     },
 
     // ---- Street and hand boundaries ----
@@ -185,24 +197,51 @@ const Betting = {
         const nextStreetIndex = this.STREETS.indexOf(state.street || "preflop") + 1;
         state.street = this.STREETS[nextStreetIndex] || "river";
 
-        if (this.liveSeats(state).length <= 1) {
+        // It takes two players with chips to have a bet. Once everyone left is all-in
+        // the rest of the board is just dealt out.
+        if (!this.canStillBet(state)) {
             state.actingSeatIndex = null;
             return;
         }
 
         // After the flop the first live player left of the button acts — which heads-up
         // is the big blind, since the button is the small blind. Naming the big blind
-        // directly also covers a button parked on a seat nobody is sitting in.
+        // directly also covers a button parked on a seat nobody is sitting in, and it
+        // still has to be someone with chips left to bet.
         const { bbIndex, headsUp } = HoldemState.getBlindSeats(state);
-        state.actingSeatIndex = headsUp && bbIndex !== null && !state.seats[bbIndex].folded
+        const bigBlindCanAct =
+            headsUp &&
+            bbIndex !== null &&
+            !state.seats[bbIndex].folded &&
+            this.stackOf(state, state.seats[bbIndex]) > this.EPSILON_CHIPS;
+
+        state.actingSeatIndex = bigBlindCanAct
             ? bbIndex
-            : this.nextLiveIndex(state, state.dealerSeatIndex);
+            : this.nextToAct(state, state.dealerSeatIndex);
     },
 
     isHandOver(state) {
         return this.liveSeats(state).length <= 1;
     },
 
+    // Players still in the hand who have chips left to put in. Fewer than two of them
+    // means the betting is finished even though the hand isn't.
+    seatsWithChips(state) {
+        return this.liveSeats(state).filter(s => this.stackOf(state, s.player) > this.EPSILON_CHIPS);
+    },
+
+    EPSILON_CHIPS: 0.004,
+
+    canStillBet(state) {
+        return this.liveSeats(state).length > 1 && this.seatsWithChips(state).length > 1;
+    },
+
+    // True when the hand is still live but nobody can bet again — the dealer is just
+    // running the board out.
+    isRunningOut(state) {
+        return this.liveSeats(state).length > 1 && !this.canStillBet(state);
+    },
+
     // Deals a fresh betting round: blinds posted, action to the seat after the big
     // blind, which is where a dealer expects to be looking when the cards go out.
     beginHand(state) {
@@ -232,8 +271,11 @@ const Betting = {
         state.lastRaiseSize = bb || 0;
 
         // Heads-up the button is the small blind and acts first before the flop; with
-        // three or more it's the seat after the big blind.
-        state.actingSeatIndex = headsUp ? sbIndex : this.nextLiveIndex(state, bbIndex);
+        // three or more it's the seat after the big blind. Either way, a blind big
+        // enough to put that player all-in leaves them nothing to decide.
+        state.actingSeatIndex = headsUp
+            ? (this.stackOf(state, state.seats[sbIndex]) > this.EPSILON_CHIPS ? sbIndex : this.nextToAct(state, sbIndex))
+            : this.nextToAct(state, bbIndex);
     },
 
     // Winners get their share put back in front of them.