关于标题界面如何链接添加游戏说明 （附脚本望纠正

byshuiyi422

我的标题界面除了背景图外，有四个选项，分别是新的开始，旧的回忆，游戏说明，离开游戏。（这四项分别是图片，不是直接加s4=“说明”的那种）
我知道开始，读取，离开的用法。但是说明的用法不会使，所以脚本中只能用错误的expain代替。希望各位大神！解救我这个新人~ 偶将不胜欢喜。

脚本中“1”，“12”，“2"，"21"，"3" ，"31" ，"4 "，"41"。是图片，分别代表这四个选项的一般效果和亮效果。
偶的错误脚本~

#==============================================================================
# ■ Scene_Title
#------------------------------------------------------------------------------
# 　处理标题画面的类。
#==============================================================================

class Scene_Title
  #--------------------------------------------------------------------------
  # ● 主处理
  #--------------------------------------------------------------------------
  def main
    # 战斗测试的情况下
    if $BTEST
      battle_test
      return
    end
    # 载入数据库
    $data_actors        = load_data("Data/Actors.rxdata")
    $data_classes       = load_data("Data/Classes.rxdata")
    $data_skills        = load_data("Data/Skills.rxdata")
    $data_items         = load_data("Data/Items.rxdata")
    $data_weapons       = load_data("Data/Weapons.rxdata")
    $data_armors        = load_data("Data/Armors.rxdata")
    $data_enemies       = load_data("Data/Enemies.rxdata")
    $data_troops        = load_data("Data/Troops.rxdata")
    $data_states        = load_data("Data/States.rxdata")
    $data_animations    = load_data("Data/Animations.rxdata")
    $data_tilesets      = load_data("Data/Tilesets.rxdata")
    $data_common_events = load_data("Data/CommonEvents.rxdata")
    $data_system        = load_data("Data/System.rxdata")
    # 生成系统对像
    $game_system = Game_System.new
    # 生成标题图形
    @sprite = Sprite.new
    @sprite.bitmap = RPG::Cache.title($data_system.title_name)
   
    @start_1 = Sprite.new #高亮的开始
    @start_0 = Sprite.new #一般的开始
    @load_1 = Sprite.new  #高亮的读取
    @load_0 = Sprite.new  #一般的读取
    @explain_1 = Sprite.new  #高亮的说明
    @explain_0 = Sprite.new  #一般的说明
    @exit_1 = Sprite.new  #高亮的退出
    @exit_0 = Sprite.new  #一般的退出
    @start_0.bitmap =RPG::Cache.title("1")
    @start_1.bitmap =RPG::Cache.title("12")
    @load_0.bitmap =RPG::Cache.title("2")
    @load_1.bitmap =RPG::Cache.title("21")
    @explain_0.bitmap =RPG::Cache.title("3")
    @explain_1.bitmap =RPG::Cache.title("31")
    @exit_0.bitmap =RPG::Cache.title("4")
    @exit_1.bitmap =RPG::Cache.title("41")
    item_x = 320 - @start_0.bitmap.width / 2
    item_y = 288
    @start_0.y = item_y
    @start_1.y = item_y
    @start_0.x = item_x
    @start_1.x = item_x
    item_y += 40
    @load_0.y = item_y
    @load_1.y = item_y
    @load_0.x = item_x
    @load_1.x = item_x
    item_y += 40
    @explain_0.y = item_y
    @explain_1.y = item_y
    @explain_0.x = item_x
    @explain_1.x = item_x
    item_y += 40
    @exit_0.y = item_y
    @exit_1.y = item_y
    @exit_0.x = item_x
    @exit_1.x = item_x
   
    @start_0.visible = false
    @start_1.visible = true
    @load_1.visible = false
    @load_0.visible = true
    @expain_1.visible = false
    @expain_0.visible = true
    @exit_1.visible = false
    @exit_0.visible = true
   
    @pic_index = 0
   
    @text = Sprite.new
    @text.bitmap = Bitmap.new(200,100)
    @text.bitmap.draw_text(0,0,200,100,"shuiyyy  制作")
    @text.x = 480
    @text.y = 410
   
    # 生成命令窗口
    s1 = "新游戏"
    s2 = "继续"
    s3 = "说明"
    s4 = "退出"
    @command_window = Window_Command.new(192, [s1, s2, s3,s4])
    @command_window.back_opacity = 160
    @command_window.x = 320 - @command_window.width / 2
    @command_window.y = 288
    @command_window.visible =false
    # 判定继续的有效性
    # 存档文件一个也不存在的时候也调查
    # 有効为 @continue_enabled 为 true、无效为 false
    @continue_enabled = false
    for i in 0..3
      if FileTest.exist?("Save#{i+1}.rxdata")
        @continue_enabled = true
      end
    end
    # 继续为有效的情况下、光标停止在继续上
    # 无效的情况下、继续的文字显示为灰色
    if @continue_enabled
      @command_window.index = 1
    else
      @command_window.disable_item(1)
    end
    # 演奏标题 BGM
    $game_system.bgm_play($data_system.title_bgm)
    # 停止演奏 ME、BGS
    Audio.me_stop
    Audio.bgs_stop
    # 执行过渡
    Graphics.transition
    # 主循环
    loop do
      # 刷新游戏画面
      Graphics.update
      # 刷新输入信息
      Input.update
      # 刷新画面
      update
      # 如果画面被切换就中断循环
      if $scene != self
        break
      end
    end
    # 装备过渡
    Graphics.freeze
    # 释放命令窗口
    @command_window.dispose
    # 释放标题图形
    @sprite.bitmap.dispose
    @sprite.dispose
    @start_0.bitmap.dispose
    @start_1.bitmap.dispose
    @load_1.bitmap.dispose
    @load_0.bitmap.dispose
    @expain_1.bitmap.dispose
    @expain_0.bitmap.dispose
    @exit_1.bitmap.dispose
    @exit_0.bitmap.dispose
    @start_0.dispose
    @start_1.dispose
    @load_1.dispose
    @load_0.dispose
    @expain_1.dispose
    @expain_0.dispose
    @exit_1.dispose
    @exit_0.dispose
    @text.bitmap.dispose
    @text.dispose
  end
  #--------------------------------------------------------------------------
  # ● 刷新画面
  #--------------------------------------------------------------------------
  def update
    # Update Graphics
    @title_bak.ox = @title_bak.ox + 1
   
    if @command_window.index != @pic_index
      @pic_index = @command_window.index
      case @commamd_window.index
      when 0
        @start_0.visible = false
        @start_1.visible = true
        @load_1.visible = false
        @load_0.bisible = true
        @expain_1.visible = false
        @expain_0.visible = true
        @exit_1.visible = false
        @exit_0.bisible = true
      when 1
        @start_0.visible = true
        @start_1.visible = false
        @load_1.visible = true
        @load_0.bisible = false
        @expain_1.visible = false
        @expain_0.visible = true
        @exit_1.visible = false
        @exit_0.bisible = true
      when 2
        @start_0.visible = true
        @start_1.visible = false
        @load_1.visible = false
        @load_0.bisible = true
        @expain_1.visible = true
        @expain_0.visible = false
        @exit_1.visible = false
        @exit_0.bisible = true
      when 3
        @start_0.visible = true
        @start_1.visible = false
        @load_1.visible = false
        @load_0.bisible = true
        @expain_1.visible = false
        @expain_0.visible = true
        @exit_1.visible = true
        @exit_0.bisible = false
      end
    end  
      
        
    # 刷新命令窗口
    @command_window.update
    # 按下 C 键的情况下
    if Input.trigger?(Input::C)
      # 命令窗口的光标位置的分支
      case @command_window.index
      when 0  # 新游戏
        command_new_game
      when 1  # 继续
        command_continue
      when 2  # 说明
        $game_system.se_play($data_system.decision_se)
        p"得见心中所念"
      when 3  #  退出
        command_shutdown
      end
    end
  end
  #--------------------------------------------------------------------------
  # ● 命令 : 新游戏
  #--------------------------------------------------------------------------
  def command_new_game
    # 演奏确定 SE
    $game_system.se_play($data_system.decision_se)
    # 停止 BGM
    Audio.bgm_stop
    # 重置测量游戏时间用的画面计数器
    Graphics.frame_count = 0
    # 生成各种游戏对像
    $game_temp          = Game_Temp.new
    $game_system        = Game_System.new
    $game_switches      = Game_Switches.new
    $game_variables     = Game_Variables.new
    $game_self_switches = Game_SelfSwitches.new
    $game_screen        = Game_Screen.new
    $game_actors        = Game_Actors.new
    $game_party         = Game_Party.new
    $game_troop         = Game_Troop.new
    $game_map           = Game_Map.new
    $game_player        = Game_Player.new
    # 设置初期同伴位置
    $game_party.setup_starting_members
    # 设置初期位置的地图
    $game_map.setup($data_system.start_map_id)
    # 主角向初期位置移动
    $game_player.moveto($data_system.start_x, $data_system.start_y)
    # 刷新主角
    $game_player.refresh
    # 执行地图设置的 BGM 与 BGS 的自动切换
    $game_map.autoplay
    # 刷新地图 (执行并行事件)
    $game_map.update
    # 切换地图画面
    $scene = Scene_Map.new
  end
  #--------------------------------------------------------------------------
  # ● 命令 : 继续
  #--------------------------------------------------------------------------
  def command_continue
    # 继续无效的情况下
    unless @continue_enabled
      # 演奏无效 SE
      $game_system.se_play($data_system.buzzer_se)
      return
    end
    # 演奏确定 SE
    $game_system.se_play($data_system.decision_se)
    # 切换到读档画面
    $scene = Scene_Load.new
  end
  #--------------------------------------------------------------------------
  # ● 命令 : 退出
  #--------------------------------------------------------------------------
  def command_shutdown
    # 演奏确定 SE
    $game_system.se_play($data_system.decision_se)
    # BGM、BGS、ME 的淡入淡出
    Audio.bgm_fade(800)
    Audio.bgs_fade(800)
    Audio.me_fade(800)
    # 退出
    $scene = nil
  end
  #--------------------------------------------------------------------------
  # ● 战斗测试
  #--------------------------------------------------------------------------
  def battle_test
    # 载入数据库 (战斗测试用)
    $data_actors        = load_data("Data/BT_Actors.rxdata")
    $data_classes       = load_data("Data/BT_Classes.rxdata")
    $data_skills        = load_data("Data/BT_Skills.rxdata")
    $data_items         = load_data("Data/BT_Items.rxdata")
    $data_weapons       = load_data("Data/BT_Weapons.rxdata")
    $data_armors        = load_data("Data/BT_Armors.rxdata")
    $data_enemies       = load_data("Data/BT_Enemies.rxdata")
    $data_troops        = load_data("Data/BT_Troops.rxdata")
    $data_states        = load_data("Data/BT_States.rxdata")
    $data_animations    = load_data("Data/BT_Animations.rxdata")
    $data_tilesets      = load_data("Data/BT_Tilesets.rxdata")
    $data_common_events = load_data("Data/BT_CommonEvents.rxdata")
    $data_system        = load_data("Data/BT_System.rxdata")
    # 重置测量游戏时间用的画面计数器
    Graphics.frame_count = 0
    # 生成各种游戏对像
    $game_temp          = Game_Temp.new
    $game_system        = Game_System.new
    $game_switches      = Game_Switches.new
    $game_variables     = Game_Variables.new
    $game_self_switches = Game_SelfSwitches.new
    $game_screen        = Game_Screen.new
    $game_actors        = Game_Actors.new
    $game_party         = Game_Party.new
    $game_troop         = Game_Troop.new
    $game_map           = Game_Map.new
    $game_player        = Game_Player.new
    # 设置战斗测试用同伴
    $game_party.setup_battle_test_members
    # 设置队伍 ID、可以逃走标志、战斗背景
    $game_temp.battle_troop_id = $data_system.test_troop_id
    $game_temp.battle_can_escape = true
    $game_map.battleback_name = $data_system.battleback_name
    # 演奏战斗开始 BGM
    $game_system.se_play($data_system.battle_start_se)
    # 演奏战斗 BGM
    $game_system.bgm_play($game_system.battle_bgm)
    # 切换到战斗画面
    $scene = Scene_Battle.new
  end
end