Item Stream - RGSS3 Scripts

#==============================================================================
#   Name      : Item Stream (RGSS3)
#   Author    : biud436 (http://biud436.blog.me)
#   Date      : 2015.05.27
#   Version   : 1.0.0
#==============================================================================
module Stream
  #============================================================================
  # ** Services Class
  #============================================================================
  class Services
    #--------------------------------------------------------------------------
    # * 초기화
    #--------------------------------------------------------------------------
    def initialize(sender,receiver)
      @sender_header = sender[:header]
      @receiver_header = receiver[:header]
      @sender_contents = sender[:contents]
      @receiver_contents = receiver[:contents]
    end
    #--------------------------------------------------------------------------
    # * 메소드 설정
    #--------------------------------------------------------------------------
    def set_method=(m)
      @method = m
    end
    #--------------------------------------------------------------------------
    # * 메소드 호출
    #--------------------------------------------------------------------------
    def call_method(sender_index,receiver_index)
      @method.call(sender_index,@sender_header,@sender_contents)
      @method.call(receiver_index,@receiver_header,@receiver_contents)
    end
    #--------------------------------------------------------------------------
    # * 전송자
    #--------------------------------------------------------------------------
    def sender
      return @sender_contents[:party]
    end
    #--------------------------------------------------------------------------
    # * 수신자
    #--------------------------------------------------------------------------
    def receiver
      return @receiver_contents[:party]
    end
    #--------------------------------------------------------------------------
    # * 아이템 보내기
    #--------------------------------------------------------------------------
    def gain_item(item)
      if sender.has_item?(item)
        sender.gain_item(item,-1)
        receiver.gain_item(item,+1)
      end
    end
    #--------------------------------------------------------------------------
    # * 골드 보내기
    #--------------------------------------------------------------------------
    def gain_gold(value)
      if sender.gold >= value
        sender.lose_gold(value)
        receiver.gain_gold(value)
      end
    end
  end

  #============================================================================
  # ** Sender Class (다른 파일로 아이템 보내기)
  #============================================================================
  class Sender < Services
    #--------------------------------------------------------------------------
    # * 초기화
    #--------------------------------------------------------------------------
    def initialize(sender,receiver)
      super(sender,receiver)
      @sender_header = sender[:header]
      @sender_contents = {:party => $game_party}
    end
    #--------------------------------------------------------------------------
    # * 메소드 호출
    #--------------------------------------------------------------------------
    def call_method(sender_index,receiver_index)
      @method.call(receiver_index,@receiver_header,@receiver_contents)
    end
    #--------------------------------------------------------------------------
    # * 전송자
    #--------------------------------------------------------------------------
    def sender
      return @sender_contents[:party]
    end
    #--------------------------------------------------------------------------
    # * 수신자
    #--------------------------------------------------------------------------
    def receiver
      return @receiver_contents[:party]
    end
  end

  #============================================================================
  # ** Receiver Class (다른 세이브 파일에서 아이템 가져오기)
  #============================================================================
  class Receiver < Sender
    #--------------------------------------------------------------------------
    # * 전송자
    #--------------------------------------------------------------------------
    def sender
      return @receiver_contents[:party]
    end
    #--------------------------------------------------------------------------
    # * 수신자
    #--------------------------------------------------------------------------
    def receiver
      return @sender_contents[:party]
    end
  end

  #--------------------------------------------------------------------------
  # * 세이브 파일 이름 만들기
  #--------------------------------------------------------------------------
  def self.make_filename(index)
    sprintf("Save%02d.rvdata2", index)
  end
  #--------------------------------------------------------------------------
  # * 세이브 파일 불러오기
  #--------------------------------------------------------------------------
  def self.load_game_without_rescue(index)
    if index.between?(-1,0)
      return {:header => "", :contents => {:party => $game_party} }
    end
    file = File.open(make_filename(index), "rb")
    _header = Marshal.load(file)
    _contents = Marshal.load(file)
    file.close
    return {:header => _header, :contents => _contents}
  end
  #--------------------------------------------------------------------------
  # * 세이브 파일 저장하기
  #--------------------------------------------------------------------------
  def self.save_game_without_rescue(index,header,contents)
    File.open(make_filename(index), "wb") do |file|
      Marshal.dump(header, file)
      Marshal.dump(contents, file)
    end
    return true
  end
  #--------------------------------------------------------------------------
  # * 서비스 만들기
  #--------------------------------------------------------------------------
  def self.create_services(sender,receiver)
    @services = Services.new(sender,receiver)
    @services.set_method = method(:save_game_without_rescue)
  end
  #--------------------------------------------------------------------------
  # * 전송자 만들기
  #--------------------------------------------------------------------------
  def self.create_sender(sender,receiver)
    @services = Sender.new(sender,receiver)
    @services.set_method = method(:save_game_without_rescue)
  end
  #--------------------------------------------------------------------------
  # * 수신자 만들기
  #--------------------------------------------------------------------------
  def self.create_receiver(sender,receiver)
    @services = Receiver.new(sender,receiver)
    @services.set_method = method(:save_game_without_rescue)
  end
  #--------------------------------------------------------------------------
  # * 서비스 호출
  #--------------------------------------------------------------------------
  def self.call_services(sender_index,receiver_index)
    @services.call_method(sender_index,receiver_index)
  end
  #--------------------------------------------------------------------------
  # * 서비스 종료
  #--------------------------------------------------------------------------
  def self.destroy_services
    @services = nil
  end
  #--------------------------------------------------------------------------
  # * 서비스 선택
  #--------------------------------------------------------------------------
  def self.select_services(index,sender,receiver)
    case index
    when -1 # 다른 세이브 파일에서 아이템 받기
      create_receiver(sender,receiver)
    when 0  # 자신이 가지고 있는 아이템 전송
      create_sender(sender,receiver)
    else    # 세이브파일 간의 전송
      create_services(sender,receiver)
    end
  end
  #--------------------------------------------------------------------------
  # * 아이템 전송
  #--------------------------------------------------------------------------
    def self.send_item(sender_index,receiver_index,sym,id)
    begin
      sender = load_game_without_rescue(sender_index)
      receiver = load_game_without_rescue(receiver_index)
      select_services(sender_index,sender,receiver)
      case sym; when :gold then @services.gain_gold(id)
      else
        item = {}
        item[:item]   = $data_items[id]
        item[:weapon] = $data_weapons[id]
        item[:armor]  = $data_armors[id]
        @services.gain_item(item[sym])
      end
      call_services(sender_index,receiver_index)
      destroy_services
    rescue
    end
  end
end

#==============================================================================
# ** Game_Interpreter
#==============================================================================
class Game_Interpreter
  #--------------------------------------------------------------------------
  # * 아이템 보내기
  #--------------------------------------------------------------------------
  def send_item(save_file1,save_file2,item_id)
    Stream.send_item(save_file1,save_file2,:item,item_id)
  end
  #--------------------------------------------------------------------------
  # * 무기구 보내기
  #--------------------------------------------------------------------------
  def send_weapon(save_file1,save_file2,item_id)
    Stream.send_item(save_file1,save_file2,:weapon,item_id)
  end
  #--------------------------------------------------------------------------
  # * 방어구 보내기
  #--------------------------------------------------------------------------
  def send_armor(save_file1,save_file2,item_id)
    Stream.send_item(save_file1,save_file2,:armor,item_id)
  end
  #--------------------------------------------------------------------------
  # * 골드 보내기
  #--------------------------------------------------------------------------
  def send_gold(save_file1,save_file2,value)
    Stream.send_item(save_file1,save_file2,:gold,value)
  end
end