From: Benjamin Auder <benjamin.auder@somewhere>
Date: Sun, 31 May 2020 21:09:52 +0000 (+0200)
Subject: Fix capture-in-check bug for Capture and Losers variants
X-Git-Url: https://git.auder.net/doc/html/packages.html?a=commitdiff_plain;h=5d416f0fb2e4c41b38d089d569c464496524ada8;p=vchess.git

Fix capture-in-check bug for Capture and Losers variants
---

diff --git a/client/src/variants/Capture.js b/client/src/variants/Capture.js
index 19ce734e..c5f86dcd 100644
--- a/client/src/variants/Capture.js
+++ b/client/src/variants/Capture.js
@@ -9,15 +9,18 @@ export class CaptureRules extends ChessRules {
   // Stop at the first capture found (if any)
   atLeastOneCapture() {
     const color = this.turn;
-    const oppCol = V.GetOppCol(color);
     for (let i = 0; i < V.size.x; i++) {
       for (let j = 0; j < V.size.y; j++) {
         if (
           this.board[i][j] != V.EMPTY &&
-          this.getColor(i, j) != oppCol &&
-          this.filterValid(this.getPotentialMovesFrom([i, j])).some(m =>
-            // Warning: discard castle moves
-            m.vanish.length == 2 && m.appear.length == 1)
+          this.getColor(i, j) == color &&
+          this.filterValid(this.getPotentialMovesFrom([i, j])).some(m => {
+            return (
+              // Warning: discard castle moves
+              m.vanish.length == 2 && m.appear.length == 1 &&
+              this.filterValid([m]).length == 1
+            );
+          })
         ) {
           return true;
         }
diff --git a/client/src/variants/Losers.js b/client/src/variants/Losers.js
index d82e57d5..3ac46c2f 100644
--- a/client/src/variants/Losers.js
+++ b/client/src/variants/Losers.js
@@ -11,15 +11,18 @@ export class LosersRules extends ChessRules {
   // Stop at the first capture found (if any)
   atLeastOneCapture() {
     const color = this.turn;
-    const oppCol = V.GetOppCol(color);
     for (let i = 0; i < V.size.x; i++) {
       for (let j = 0; j < V.size.y; j++) {
         if (
           this.board[i][j] != V.EMPTY &&
-          this.getColor(i, j) != oppCol &&
-          this.getPotentialMovesFrom([i, j]).some(m =>
-            // Warning: discard castle moves
-            m.vanish.length == 2 && m.appear.length == 1)
+          this.getColor(i, j) == color &&
+          this.getPotentialMovesFrom([i, j]).some(m => {
+            return (
+              // Warning: discard castle moves
+              m.vanish.length == 2 && m.appear.length == 1 &&
+              this.filterValid([m]).length == 1
+            );
+          })
         ) {
           return true;
         }
@@ -31,6 +34,9 @@ export class LosersRules extends ChessRules {
   getPossibleMovesFrom(sq) {
     let moves = this.filterValid(this.getPotentialMovesFrom(sq));
     const captureMoves = V.KeepCaptures(moves);
+
+console.log(this.atLeastOneCapture());
+
     if (captureMoves.length > 0) return captureMoves;
     if (this.atLeastOneCapture()) return [];
     return moves;
diff --git a/client/src/variants/Suicide.js b/client/src/variants/Suicide.js
index ecb2aef1..e3630bb4 100644
--- a/client/src/variants/Suicide.js
+++ b/client/src/variants/Suicide.js
@@ -50,12 +50,11 @@ export class SuicideRules extends ChessRules {
   // Stop at the first capture found (if any)
   atLeastOneCapture() {
     const color = this.turn;
-    const oppCol = V.GetOppCol(color);
     for (let i = 0; i < V.size.x; i++) {
       for (let j = 0; j < V.size.y; j++) {
         if (
           this.board[i][j] != V.EMPTY &&
-          this.getColor(i, j) != oppCol &&
+          this.getColor(i, j) == color &&
           this.getPotentialMovesFrom([i, j]).some(m => m.vanish.length == 2)
         ) {
           return true;