Jacynth: Hopefully correct implementation of 'emulated'

Author: Perlkonig

src/games/jacynth.ts

@@ -131,7 +131,7 @@ export class JacynthGame extends GameBase {
     public stack!: Array<IMoveState>;
     public results: Array<APMoveResult> = [];
     private deck!: Deck;
-    // private emulated = false;
+    private emulated = false;
 
     constructor(state: number | IJacynthState | string, variants?: string[]) {
         super();
@@ -495,7 +495,7 @@ export class JacynthGame extends GameBase {
         }
     }
 
-    public move(m: string, {trusted = false, partial = false} = {}): JacynthGame {
+    public move(m: string, {trusted = false, partial = false, emulation = false} = {}): JacynthGame {
         if (this.gameover) {
             throw new UserFacingError("MOVES_GAMEOVER", i18next.t("apgames:MOVES_GAMEOVER"));
         }
@@ -510,7 +510,7 @@ export class JacynthGame extends GameBase {
         }
 
         this.results = [];
-        // this.emulated = emulation;
+        this.emulated = emulation;
         const [mv, influence] = m.split(",");
         let [card, to] = mv.split("-");
         card = card.toUpperCase();
@@ -611,6 +611,7 @@ export class JacynthGame extends GameBase {
     }
 
     public render(): APRenderRep {
+        const prevplayer = this.currplayer === 1 ? 2 : 1;
         // Build piece string
         let pstr = "";
         for (let row = 0; row < 6; row++) {
@@ -687,7 +688,11 @@ export class JacynthGame extends GameBase {
         // build pieces areas
         const areas: AreaPieces[] = [];
         for (let p = 1; p <= this.numplayers; p++) {
-            const hand = this.hands[p-1];
+            let hand = this.hands[p-1];
+            // if emulated and current player, drop the right-most card
+            if (this.emulated && p === prevplayer) {
+                hand = hand.slice(0, -1);
+            }
             if (hand.length > 0) {
                 areas.push({
                     type: "pieces",