5c3835f4fd
Choice/Discover-into-hand fanfares add a candidates-only token to hand; the
chosen cardId rides keyAction.selectCard on the generating play, not the
orderList add op. Record idx->chosenCardId at generation (candidate-membership
join) so the later play reveals the real identity via the existing
BuildPlayedCard path; forward {type,cardId} to the opponent and strip
selectCard for hidden (open:0) picks (pass through for open:1, provisional).
- KnownListBuilder.MineChoicePicks + StripKeyActionForOpponent (pure)
- BattleSessionState.RecordChoicePicksFrom (reuses IdxToCardId, no new state)
- PlayActionsBroadcastBody.keyAction + KeyActionEntry/SelectCardEntry
- PlayActionsHandler wires both; EchoHandler unchanged (picks ride the send)
Tests (TDD red->green): 8 KnownListBuilder + 2 dispatch + 2 conformance
(shape-locked to tk2_regular L151 generation / L193 reveal). Full suite 976/0.
Spec: docs/superpowers/specs/2026-06-04-battle-node-choice-token-reveal-design.md
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
52 lines
2.8 KiB
C#
52 lines
2.8 KiB
C#
using SVSim.BattleNode.Protocol;
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using SVSim.BattleNode.Protocol.Bodies;
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namespace SVSim.BattleNode.Sessions.Dispatch.Handlers;
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/// <summary>PvP PlayActions translator. Synthesizes the opponent-facing knownList from the sender's
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/// idx->cardId map + the orderList move op, renames targetList -> oppoTargetList, drops orderList,
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/// and forwards a stripped keyAction for choice/Discover plays ({type,cardId}; selectCard dropped
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/// for a hidden open:0 pick). Token plays resolve their cardId from add ops (concrete tokens) or
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/// keyAction.selectCard (choice picks) mined on earlier frames; an un-generated token idx still
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/// degrades to {playIdx,type} (no knownList). Bot drop (no rule).</summary>
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internal sealed class PlayActionsHandler : IFrameHandler
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{
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public IReadOnlyList<DispatchRoute> Handle(FrameDispatchContext ctx)
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{
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if (ctx.Type != BattleType.Pvp || !ctx.BothAfterReady())
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return Array.Empty<DispatchRoute>();
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var entries = (ctx.Env.Body as RawBody)?.Entries ?? new Dictionary<string, object?>();
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var playIdx = (int)KnownListBuilder.AsLong(entries.GetValueOrDefault("playIdx"));
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var type = (int)KnownListBuilder.AsLong(entries.GetValueOrDefault("type"));
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var orderList = entries.GetValueOrDefault("orderList");
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var keyAction = entries.GetValueOrDefault("keyAction");
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// Mine generated-token identities from this frame's add ops into the right side's idx->cardId
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// map (isSelf:1 → sender; isSelf:0 → opponent, a cross-side gift), so a token played in a LATER
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// frame resolves its cardId — by whichever side ends up playing it (bullet-3 audit F1).
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ctx.State.RecordTokensFrom(ctx.From, ctx.Other, orderList);
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// Choice/Discover-into-hand: the chosen cardId rides keyAction.selectCard (the orderList's
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// choiceAdd carries candidates only). Record idx->chosenCardId now so the later play reveals it.
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ctx.State.RecordChoicePicksFrom(ctx.From, ctx.Other, orderList, keyAction);
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var deckMap = ctx.State.GetOrSeedDeckMap(ctx.From);
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var played = KnownListBuilder.BuildPlayedCard(deckMap, playIdx, orderList);
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var oppoTargets = KnownListBuilder.RenameTargets(entries.GetValueOrDefault("targetList"));
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var body = new PlayActionsBroadcastBody(
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PlayIdx: playIdx,
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Type: type,
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KnownList: played is null ? null : new[] { played },
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OppoTargetList: oppoTargets,
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// {type,cardId} forwarded so the opponent renders the choice token; selectCard dropped
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// when open==0 (hidden draw-to-hand pick). Null for a vanilla play (no keyAction).
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KeyAction: KnownListBuilder.StripKeyActionForOpponent(keyAction));
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var frame = ctx.Env with { Body = body };
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return new[] { new DispatchRoute(ctx.Other, frame, false) };
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}
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}
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