Z8MB1E
6968ee0abc
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
85 lines
2.6 KiB
TypeScript
85 lines
2.6 KiB
TypeScript
/**
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* Projection helpers that turn the full table state into safe views.
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*
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* The full state (including every hole card and the deck order) must never
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* leave the server; clients only ever receive these views. Hole cards are
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* hidden except for the viewer's own seats and for live hands at showdown.
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*/
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import { getLegalActions } from "./betting";
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import type {
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Card,
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PokerSeatId,
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PokerTableState,
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PrivatePlayerView,
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PublicPlayerView,
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PublicTableView,
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} from "./types";
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function sumCommitted(state: PokerTableState): number {
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return state.players.reduce((total, player) => total + player.committed, 0);
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}
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function projectPlayer(
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state: PokerTableState,
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player: PokerTableState["players"][number],
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viewerSeat: PokerSeatId | null,
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): PublicPlayerView {
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const isViewer = viewerSeat !== null && player.seatId === viewerSeat;
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const reveal = (state.phase === "showdown" && !player.folded) || isViewer;
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const holeCards: readonly Card[] | null = reveal && player.holeCards.length > 0
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? player.holeCards
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: null;
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return {
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seatId: player.seatId,
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name: player.name,
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stack: player.stack,
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committed: player.committed,
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totalCommitted: player.totalCommitted,
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folded: player.folded,
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allIn: player.allIn,
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hasActed: player.hasActed,
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eliminated: player.eliminated,
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holeCards,
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cardCount: player.holeCards.length,
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};
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}
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/**
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* Public view of the table. Pass `viewerSeat` to also reveal that seat's own
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* hole cards; pass null for a fully spectator-safe view.
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*/
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export function buildPublicView(
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state: PokerTableState,
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viewerSeat: PokerSeatId | null,
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): PublicTableView {
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return {
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players: state.players.map((player) => projectPlayer(state, player, viewerSeat)),
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buttonSeat: state.buttonSeat,
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smallBlindSeat: state.smallBlindSeat,
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bigBlindSeat: state.bigBlindSeat,
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street: state.street,
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phase: state.phase,
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potTotal: state.collectedPot + sumCommitted(state),
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communityCards: state.communityCards,
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currentBet: state.currentBet,
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toActSeat: state.toActSeat,
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handNumber: state.handNumber,
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config: state.config,
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showdown: state.showdown,
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finalPlacements: state.finalPlacements,
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};
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}
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/** Everything one seated player is allowed to know, including their options. */
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export function buildPrivateView(state: PokerTableState, seatId: PokerSeatId): PrivatePlayerView {
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const viewer = state.players[seatId];
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const publicView = buildPublicView(state, seatId);
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return {
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...publicView,
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viewerSeat: seatId,
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yourHoleCards: viewer?.holeCards ?? [],
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legalActions: getLegalActions(state, seatId),
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yourTurn: state.phase === "betting" && state.toActSeat === seatId,
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};
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}
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