怎么在菜单栏添加任务选项

dongaiai0

我用的是这个脚本，请问怎么在菜单栏添加  任务  选项


#encoding:utf-8

#==============================================================================
# ■ Task
#------------------------------------------------------------------------------
# 　任务类。本类在 Game_Task 类的内部使用。
#   任务属性：名称,内容,是否是主线任务,是否有父任务
#==============================================================================

class Task
  attr_reader :index
  attr_reader :name
  attr_reader :description
  attr_reader :type
  attr_reader :father_task
  attr_reader :finished
  #--------------------------------------------------------------------------
  # ● 初始化对象
  #--------------------------------------------------------------------------
  def initialize(index, name, description, type = true, father_task = -1)
    @type = type
    @name = name
    @description = description
    @father_task = father_task
    @Index = index
    @finished = false
  end
  #--------------------------------------------------------------------------
  # ● 是否是主线任务
  #--------------------------------------------------------------------------
  def key_task?
    @type
  end
  #--------------------------------------------------------------------------
  # ● 是否是子任务
  #--------------------------------------------------------------------------
  def has_father_task?
    @father_task > -1
  end
  #--------------------------------------------------------------------------
  # ● 完成任务
  #--------------------------------------------------------------------------
  def finish
    @finished = true
  end

end

#==============================================================================
# ■ Game_Party
#==============================================================================

class Game_Party < Game_Unit
  #--------------------------------------------------------------------------
  # ● 初始化对象
  #--------------------------------------------------------------------------
  alias old_init initialize
  def initialize
    old_init
    @tasks = {}
    @sub_tasks= {}
    #定义了一个任务列表，提前把所有的任务都写进去了
    @task_list=TaskList.new
    @sub = false
  end
  #--------------------------------------------------------------------------
  # ● 是否存在子任务
  #--------------------------------------------------------------------------
  def is_sub
    @sub
  end
  #--------------------------------------------------------------------------
  # ● 启用子任务
  #--------------------------------------------------------------------------
  def set_sub
    @sub = true
  end
  #--------------------------------------------------------------------------
  # ● 添加新的任务
  #--------------------------------------------------------------------------
  def new_task(i, name, desc, type, father_task = -1)
    if !is_sub
      @tasks = tmp if !have_task?(i)
      return
    end
    tmp = Task.new(i, name, desc, type, father_task)
    if father_task < 0
      @tasks = tmp if !have_task?(i)
    else
      @sub_tasks = tmp if father_task?(father_task) && !sub_task?(i)
    end   
  end
  #--------------------------------------------------------------------------
  # ● 从已定义好的任务列表中添加新的任务
  #--------------------------------------------------------------------------
  def set_task(index)
    temp = @task_list.get_task(index)
    if !is_sub
      @tasks[index] = temp if !have_task?(index)
      return
    end
    if temp.has_father_task?
      @sub_tasks[index] = temp if father_task?(temp.father_task) && !sub_task?(index)
    else
      @tasks[index] = temp if !have_task?(index)
    end
  end
  #--------------------------------------------------------------------------
  # ● 查询任务是否存在
  #--------------------------------------------------------------------------
  def have_task?(i)
    return father_task?(i) || sub_task?(i)
  end
  #--------------------------------------------------------------------------
  # ● 查询父任务是否存在
  #--------------------------------------------------------------------------
  def father_task?(i)
    @tasks != nil
  end
  #--------------------------------------------------------------------------
  # ● 查询子任务是否存在
  #--------------------------------------------------------------------------
  def sub_task?(i)
    @sub_tasks != nil
  end
  #--------------------------------------------------------------------------
  # ● 完成已有的任务，如果该任务有没有完成的子任务，则不能完成
  #--------------------------------------------------------------------------
  def finish_task(i)
    @tasks.finish if father_task?(i) && sub_tasks_finished?(i)
    @sub_tasks.finish if sub_task?(i)
  end
  #--------------------------------------------------------------------------
  # ● 查询父任务序号为i的子任务，返回一个数组
  #--------------------------------------------------------------------------
  def get_sub_tasks(i)
    return [] if !is_sub
    tmp = []
    for j in @sub_tasks.values
      next if j.father_task != i
      tmp.push(j)
    end
    return tmp
  end
  #--------------------------------------------------------------------------
  # ● 查询父任务序号为i的子任务是否都已完成
  #--------------------------------------------------------------------------
  def sub_tasks_finished?(i)
    return true if !is_sub
    for j in @sub_tasks.values
      next if j.father_task != i
      return false if !j.finished
    end
    return true
  end
  #--------------------------------------------------------------------------
  # ● 获取任务类型为cat的任务集合
  #--------------------------------------------------------------------------
  def all_tasks(cat)
    n = []
    m = []
    for i in @tasks.values
      next if i.key_task? != cat
      tmp = get_sub_tasks(i.index)
      if i.finished
        n.push(i)
        n += tmp
      else
        m.push(i)
        m += tmp
      end
    end
    return m + n
  end

end

#==============================================================================
# ■ Window_TaskList
#------------------------------------------------------------------------------
# 　任务画面中，显示已获得任务的窗口。
#==============================================================================

class Window_TaskList < Window_Selectable
  #--------------------------------------------------------------------------
  # ● 初始化对象
  #--------------------------------------------------------------------------
  def initialize(x, y, width, height)
    super
    @category = :none
    @data = []
    @sub_task = false
  end
  #--------------------------------------------------------------------------
  # ● 设置是否有子任务
  #--------------------------------------------------------------------------
  def has_sub_task
    @sub_task = true
  end
  #--------------------------------------------------------------------------
  # ● 设置分类
  #--------------------------------------------------------------------------
  def category=(category)
    return if @category == category
    @category = category
    if category == :true
      refresh(true)
    else
      refresh(false)
    end
    self.oy = 0
  end
  #--------------------------------------------------------------------------
  # ● 获取列数
  #--------------------------------------------------------------------------
  def col_max
    if @sub_task
      return 1
    else
      return 2
    end
  end
  #--------------------------------------------------------------------------
  # ● 获取项目数
  #--------------------------------------------------------------------------
  def item_max
    @data ? @data.size : 1
  end
  #--------------------------------------------------------------------------
  # ● 获取任务
  #--------------------------------------------------------------------------
  def item
    @data && index >= 0 ? @data[index] : nil
  end
  #--------------------------------------------------------------------------
  # ● 获取选择任务的有效状态
  #--------------------------------------------------------------------------
  def current_item_enabled?
    enable?(@data[index])
  end
  #--------------------------------------------------------------------------
  # ● 查询此任务是否完成
  #--------------------------------------------------------------------------
  def enable?(item)
    !item.finished
  end
  #--------------------------------------------------------------------------
  # ● 生成任务列表
  #--------------------------------------------------------------------------
  def make_item_list(type)
    @data = $game_party.all_tasks(type)
  end
  #--------------------------------------------------------------------------
  # ● 返回上一个选择的位置
  #--------------------------------------------------------------------------
  def select_last
    select(0)
  end
  #--------------------------------------------------------------------------
  # ● 绘制项目
  #--------------------------------------------------------------------------
  def draw_item(index)
    item = @data[index]
    if item
      rect = item_rect(index)
      rect.width -= 4
      draw_item_name(item, rect.x, rect.y, enable?(item))
    end
  end
  #--------------------------------------------------------------------------
  # ● 绘制名称
  #     enabled : 有效的标志。false 的时候使用半透明效果绘制
  #--------------------------------------------------------------------------
  def draw_item_name(item, x, y, enabled = true, width = 172)
    return unless item
    text = item.name
    text = "    " + text if @sub_task && item.has_father_task?
    text += "(已完成)" if item.finished
    change_color(normal_color, enabled)
    draw_text(x, y, width, line_height, text)
  end
  #--------------------------------------------------------------------------
  # ● 更新帮助内容
  #--------------------------------------------------------------------------
  def update_help
    @help_window.set_item(item)
  end
  #--------------------------------------------------------------------------
  # ● 刷新
  #--------------------------------------------------------------------------
  def refresh(type)
    make_item_list(type)
    create_contents
    draw_all_items
  end
end

#==============================================================================
# ■ Window_TaskCategory
#------------------------------------------------------------------------------
# 　任务画面中，显示任务列表的窗口。
#==============================================================================

class Window_TaskCategory < Window_HorzCommand
  #--------------------------------------------------------------------------
  # ● 定义实例变量
  #--------------------------------------------------------------------------
  attr_reader   :item_window
  #--------------------------------------------------------------------------
  # ● 初始化对象
  #--------------------------------------------------------------------------
  def initialize
    super(0, 0)
  end
  #--------------------------------------------------------------------------
  # ● 获取窗口的宽度
  #--------------------------------------------------------------------------
  def window_width
    Graphics.width
  end
  #--------------------------------------------------------------------------
  # ● 获取列数
  #--------------------------------------------------------------------------
  def col_max
    return 2
  end
  #--------------------------------------------------------------------------
  # ● 更新画面
  #--------------------------------------------------------------------------
  def update
    super
    @item_window.category = current_symbol if @item_window
  end
  #--------------------------------------------------------------------------
  # ● 生成指令列表
  #--------------------------------------------------------------------------
  def make_command_list
    add_command("主线任务",   :true)
    add_command("支线任务",   :false)
  end
  #--------------------------------------------------------------------------
  # ● 设置任务窗口
  #--------------------------------------------------------------------------
  def item_window=(item_window)
    @item_window = item_window
    update
  end
end

#==============================================================================
# ■ Scene_Task
#------------------------------------------------------------------------------
# 　任务画面
#==============================================================================

class Scene_Task < Scene_ItemBase
  #--------------------------------------------------------------------------
  # ● 开始处理
  #--------------------------------------------------------------------------
  def start
    super
    create_help_window
    create_category_window
    create_task_window
  end
  #--------------------------------------------------------------------------
  # ● 生成分类窗口
  #--------------------------------------------------------------------------
  def create_category_window
    @category_window = Window_TaskCategory.new
    @category_window.viewport = @viewport
    @category_window.help_window = @help_window
    @category_window.y = @help_window.height
    @category_window.set_handler(:ok,     method(:on_category_ok))
    @category_window.set_handler(:cancel, method(:return_scene))
  end
  #--------------------------------------------------------------------------
  # ● 生成任务窗口
  #--------------------------------------------------------------------------
  def create_task_window
    wy = @category_window.y + @category_window.height
    wh = Graphics.height - wy
    @item_window = Window_TaskList.new(0, wy, Graphics.width, wh)
    #如果允许子任务则显示子任务
    @item_window.has_sub_task if $game_party.is_sub
    @item_window.viewport = @viewport
    @item_window.help_window = @help_window
    @item_window.set_handler(:cancel, method(:on_item_cancel))
    @category_window.item_window = @item_window
  end
  #--------------------------------------------------------------------------
  # ● 分类“确定”
  #--------------------------------------------------------------------------
  def on_category_ok
    @item_window.activate
    @item_window.select_last
  end
  #--------------------------------------------------------------------------
  # ● 任务“取消”
  #--------------------------------------------------------------------------
  def on_item_cancel
    @item_window.unselect
    @category_window.activate
  end
end
#==============================================================================
# ■ TaskList
#------------------------------------------------------------------------------
# 　
#==============================================================================
class TaskList
  def initialize
    #允许子任务
    @list = []
    @list.push(Task.new(0, "任务0", "任务描述0任务描述0任务描述0任务描述0任务"))
    @list.push(Task.new(1, "任务一", "任务描述1"))
    @list.push(Task.new(2, "任务2", "任务描述2",false))
    @list.push(Task.new(3, "任务3", "任务描述3", true, 1))
    @list.push(Task.new(4, "任务4", "任务描述4", true, 1))
    @list.push(Task.new(5, "任务5", "任务描述5", false, 2))
    @list.push(Task.new(6, "任务6", "任务描述6", false))
    @list.push(Task.new(7, "任务7", "任务描述7", true, 1))
  end
  def get_task(index)
    @list[index]
  end
end