private boolean hasPlayerPlacedButterfly(HantoPlayerColor player) {
		boolean hasPlacedButterfly = true;
		if (player == HantoPlayerColor.BLUE) {
			if (bluePiecesLeft.get(HantoPieceType.BUTTERFLY) > 0) hasPlacedButterfly = false;
		}
		
		else {
			if (redPiecesLeft.get(HantoPieceType.BUTTERFLY) > 0) hasPlacedButterfly = false;
		}

		return hasPlacedButterfly;
	}