fix: fix onitama black orientation

src/samples/onitama/commands.ts

@@ -34,6 +34,22 @@ function playerHasCard(state: OnitamaState, player: PlayerType, cardName: string
     return cardList.includes(cardName);
 }
 
+/**
+ * 获取卡牌的移动候选项，根据玩家视角进行旋转
+ * 黑方需要将卡牌旋转180度
+ */
+function getCardMoveCandidates(state: OnitamaState, cardName: string, player: PlayerType) {
+    const card = state.cards[cardName];
+    const candidates = card.moveCandidates;
+
+    // 黑方需要将卡牌旋转180度
+    if (player === 'black') {
+        return candidates.map(m => ({ dx: -m.dx, dy: -m.dy }));
+    }
+
+    return candidates;
+}
+
 /**
  * 检查移动是否合法
  */
@@ -62,8 +78,9 @@ function isValidMove(state: OnitamaState, cardName: string, fromX: number, fromY
     const dx = toX - fromX;
     const dy = toY - fromY;
 
-    // 检查移动是否在卡牌的移动候选项中
-    const isValid = card.moveCandidates.some(m => m.dx === dx && m.dy === dy);
+    // 检查移动是否在卡牌的移动候选项中（黑方需要旋转180度）
+    const candidates = getCardMoveCandidates(state, cardName, player);
+    const isValid = candidates.some(m => m.dx === dx && m.dy === dy);
     if (!isValid) {
         return `卡牌 ${cardName} 不支持移动 (${dx}, ${dy})`;
     }
@@ -245,14 +262,15 @@ function getAvailableMoves(state: OnitamaState, player: PlayerType): Array<{card
 
     // 对于每张卡牌
     for (const cardName of cardNames) {
-        const card = state.cards[cardName];
+        // 获取旋转后的移动候选项（黑方需要旋转180度）
+        const candidates = getCardMoveCandidates(state, cardName, player);
 
         // 对于每个棋子
         for (const pawn of playerPawns) {
             const [fromX, fromY] = pawn.position;
 
             // 对于卡牌的每个移动
-            for (const move of card.moveCandidates) {
+            for (const move of candidates) {
                 const toX = fromX + move.dx;
                 const toY = fromY + move.dy;