just a bit sort

src/room/duel-record.ts

@@ -2,6 +2,7 @@ import YGOProDeck from 'ygopro-deck-encode';
 import { YGOProYrp, ReplayHeader } from 'ygopro-yrp-encode';
 import { Room } from './room';
 import { YGOProMsgBase } from 'ygopro-msg-encode';
+import { calculateDuelOptions } from '../utility/calculate-duel-options';
 
 // Constants from ygopro
 const REPLAY_COMPRESSED = 0x1;
@@ -68,7 +69,7 @@ export class DuelRecord {
       startLp: room.hostinfo.start_lp,
       startHand: room.hostinfo.start_hand,
       drawCount: room.hostinfo.draw_count,
-      opt: room.opt,
+      opt: calculateDuelOptions(room.hostinfo),
       hostDeck: this.toReplayDeck(this.players[0]?.deck),
       clientDeck: isTag
         ? this.toReplayDeck(this.players[2]?.deck)

src/room/room.ts

@@ -119,10 +119,6 @@ export class Room {
     return this.hostinfo.mode === 2;
   }
 
-  get opt() {
-    return calculateDuelOptions(this.hostinfo, this.isTag);
-  }
-
   players = new Array<Client | undefined>(this.hostinfo.mode === 2 ? 4 : 2);
   watchers = new Set<Client>();
   get playingPlayers() {
@@ -215,7 +211,7 @@ export class Room {
     }
   }
 
-  get joinGameMessage() {
+  private get joinGameMessage() {
     return new YGOProStocJoinGame().fromPartial({
       info: {
         ...this.hostinfo,
@@ -224,7 +220,7 @@ export class Room {
     });
   }
 
-  get watcherSizeMessage() {
+  private get watcherSizeMessage() {
     return new YGOProStocHsWatchChange().fromPartial({
       watch_count: this.watchers.size,
     });
@@ -354,7 +350,7 @@ export class Room {
     );
   }
 
-  async sendReplays(client: Client) {
+  private async sendReplays(client: Client) {
     for (let i = 0; i < this.duelRecords.length; i++) {
       const duelRecord = this.duelRecords[i];
       await client.sendChat(
@@ -927,7 +923,7 @@ export class Room {
     return true;
   }
 
-  private ocgcore?: OcgcoreWorker;
+  ocgcore?: OcgcoreWorker;
   private registry: Record<string, string> = {};
   turnCount = 0;
   turnIngamePos = 0;
@@ -1592,4 +1588,12 @@ export class Room {
     // TODO: teammate surrender in tag duel
     return this.win({ player: 1 - this.getIngameDuelPos(client), type: 0x0 });
   }
+
+  async getLP(player: number): Promise<number | undefined> {
+    if (!this.ocgcore) {
+      return undefined;
+    }
+    const info = await this.ocgcore.queryFieldInfo();
+    return info.field.players[this.getIngameDuelPosByDuelPos(player)].lp;
+  }
 }

src/utility/calculate-duel-options.ts

@@ -7,10 +7,7 @@ import { OcgcoreDuelOptionFlag } from 'koishipro-core.js';
  * @param isTag Whether this is a tag duel
  * @returns Duel options number
  */
-export function calculateDuelOptions(
-  hostinfo: HostInfo,
-  isTag: boolean = false,
-): number {
+export function calculateDuelOptions(hostinfo: HostInfo): number {
   // duel_rule is stored in high 16 bits
   let opt = hostinfo.duel_rule << 16;
 
@@ -18,7 +15,7 @@ export function calculateDuelOptions(
     opt |= OcgcoreDuelOptionFlag.PseudoShuffle;
   }
 
-  if (isTag) {
+  if (hostinfo.mode & 0x2) {
     opt |= OcgcoreDuelOptionFlag.TagMode;
   }