public static void handleHighlighting(int x, int y) { if ((wait_for_timer && !multi_jump) || wait_for_computer || MainPage.game_state == GameState.END_GAME || !canMove()) { return; } if (!logic.isSelectable(y, x)) { return; } Checker HIGHLIGHTED_PIECE = spaces[x, y].getChecker(); if (checkerX != -1 && checkerY != -1) { spaces[checkerX, checkerY].getChecker().toggleHighlight(); } //if the already highlighted piece is the same as the one being clicked if (checkerX != -1 && checkerY != -1 && HIGHLIGHTED_PIECE.Equals(spaces[checkerX, checkerY].getChecker())) { checkerX = checkerY = -1; return; } else //otherwise, a piece is either being clicked for the first time or is switching highlights. { checkerX = x; checkerY = y; HIGHLIGHTED_PIECE.toggleHighlight(); } }