fix: delayed piece texture cleanup

src/game/GameSession.cpp

@@ -100,6 +100,7 @@ bool GameSession::executeAction(int toRow, int toCol) {
             if (!toPiece) {
                 m_gamePieceEventCallback(GamePieceEvent::MOVE_PIECE, fromRow, fromCol, toRow, toCol);
                 auto fromInfo = fromPiece->getPieceInfo();
+                m_gamePieceEventCallback(GamePieceEvent::REMOVE_PIECE, fromRow, fromCol, -1, -1);
                 m_board->removePieceAt(fromRow, fromCol);
                 m_board->placePieceAt(toRow, toCol, m_currentPlayer);
                 m_board->setPieceInfo(toRow, toCol, fromInfo);

src/game/GameTypes.h

@@ -30,7 +30,7 @@ enum class GameMode {
 };
 
 enum class GamePieceEvent {
-    REMOVE_PIECE,
+    REMOVE_PIECE, // 用于销毁棋子的材质释放内存的
     PLACE_PIECE,
     MOVE_PIECE,
     GROW_PIECE,