class CwCardUtils::CurveCalculator

def calculate_curve
  @deck.each do |card|
    cmc = card.cmc
    # If CMC is nil, and it is a land, skip it, otherwise add it to the curve in the
    # zero cost bucket. (Handles X to cast cards.)
    if cmc.nil? || cmc == 0
      if card.type.include?("Land")
        next
      else
        bucket = 0
      end
    else
      bucket = cmc.ceil
    end
    @raw_curve[bucket] ||= 0
    @raw_curve[bucket] += card.count
  end
end