图片替换标题菜单选项 - Project1

class Window_Titlecommand < Window_Selectable
  attr_reader :commands
  def initialize(width, commands, column_max = 1, row_max = 0, spacing = 32)
if row_max == 0
   row_max = (commands.size + column_max - 1) / column_max
end
super(0, 0, width, row_max * WLH + 32, spacing)
@commands = commands
@item_max = commands.size
@column_max = 3
self.index = 0
self.opacity = 0
  end
end
class Scene_Title < Scene_Base
  #--------------------------------------------------------------------------
  # ● 主处理
  #--------------------------------------------------------------------------
  def main
if $BTEST                      # 战斗测试的情况下
   battle_test                   # 开始战斗测试处理
else                            # 普通游戏的情况下
   super                         # 原来的主处理
end
  end
  #--------------------------------------------------------------------------
  # ● 开始处理
  #--------------------------------------------------------------------------
  def start
super
load_database                   # 载入数据库
create_game_objects             # 生成游戏对象
check_continue                   # 判断继续是否有效
create_title_graphic             # 生成标题画面图像
create_command_window          # 生成指令窗口
play_title_music                # 播放标题画面音乐
  end
  #--------------------------------------------------------------------------
  # ● 执行转换
  #--------------------------------------------------------------------------
  def perform_transition
Graphics.transition(20)
  end
  #--------------------------------------------------------------------------
  # ● 开始后处理
  #--------------------------------------------------------------------------
  def post_start
super
open_command_window
  end
  #--------------------------------------------------------------------------
  # ● 结束前处理
  #--------------------------------------------------------------------------
  def pre_terminate
super
close_command_window
  end
  #--------------------------------------------------------------------------
  # ● 结束处理
  #--------------------------------------------------------------------------
  def terminate
super
dispose_command_window
snapshot_for_background
dispose_title_graphic
  end
  #--------------------------------------------------------------------------
  # ● 更新画面
  #--------------------------------------------------------------------------
  def update
super
@command_window.update
   case @command_window.index
   when 0
      @Titlemenu.bitmap = Cache.system("图1")
   when 1
      @Titlemenu.bitmap = Cache.system("图2")
   when 2
      @Titlemenu.bitmap = Cache.system("图3")
   end
if Input.trigger?(Input::C)
   case @command_window.index
   when 0 # 新游戏
      command_new_game
   when 1 # 继续
      command_continue
   when 2 # 退出
      command_shutdown
   end
end
  end
  #--------------------------------------------------------------------------
  # ● 载入数据库
  #--------------------------------------------------------------------------
  def load_database
$data_actors       = load_data("Data/Actors.rvdata")
$data_classes    = load_data("Data/Classes.rvdata")
$data_skills       = load_data("Data/Skills.rvdata")
$data_items       = load_data("Data/Items.rvdata")
$data_weapons    = load_data("Data/Weapons.rvdata")
$data_armors       = load_data("Data/Armors.rvdata")
$data_enemies    = load_data("Data/Enemies.rvdata")
$data_troops       = load_data("Data/Troops.rvdata")
$data_states       = load_data("Data/States.rvdata")
$data_animations = load_data("Data/Animations.rvdata")
$data_common_events = load_data("Data/CommonEvents.rvdata")
$data_system       = load_data("Data/System.rvdata")
$data_areas       = load_data("Data/Areas.rvdata")
  end
  #--------------------------------------------------------------------------
  # ● 载入战斗测试用的数据库
  #--------------------------------------------------------------------------
  def load_bt_database
$data_actors       = load_data("Data/BT_Actors.rvdata")
$data_classes    = load_data("Data/BT_Classes.rvdata")
$data_skills       = load_data("Data/BT_Skills.rvdata")
$data_items       = load_data("Data/BT_Items.rvdata")
$data_weapons    = load_data("Data/BT_Weapons.rvdata")
$data_armors       = load_data("Data/BT_Armors.rvdata")
$data_enemies    = load_data("Data/BT_Enemies.rvdata")
$data_troops       = load_data("Data/BT_Troops.rvdata")
$data_states       = load_data("Data/BT_States.rvdata")
$data_animations = load_data("Data/BT_Animations.rvdata")
$data_common_events = load_data("Data/BT_CommonEvents.rvdata")
$data_system       = load_data("Data/BT_System.rvdata")
  end
  #--------------------------------------------------------------------------
  # ● 生成各种游戏对象
  #--------------------------------------------------------------------------
  def create_game_objects
$game_temp       = Game_Temp.new
$game_message    = Game_Message.new
$game_system       = Game_System.new
$game_switches    = Game_Switches.new
$game_variables    = Game_Variables.new
$game_self_switches = Game_SelfSwitches.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
  end
  #--------------------------------------------------------------------------
  # ● 判断继续是否有效
  #--------------------------------------------------------------------------
  def check_continue
@continue_enabled = (Dir.glob('Save*.rvdata').size > 0)
  end
  #--------------------------------------------------------------------------
  # ● 生成标题画面图像
  #--------------------------------------------------------------------------
  def create_title_graphic
@sprite = Sprite.new
@sprite.bitmap = Cache.system("Title")
@Titlemenu = Sprite.new
@Titlemenu.bitmap = Cache.system("图1")
  end
  #--------------------------------------------------------------------------
  # ● 释放标题画面图像
  #--------------------------------------------------------------------------
  def dispose_title_graphic
@sprite.bitmap.dispose
@sprite.dispose
@Titlemenu.dispose
  end
  #--------------------------------------------------------------------------
  # ● 生成指令窗口
  #--------------------------------------------------------------------------
  def create_command_window
s1 = Vocab::new_game
s2 = Vocab::continue
s3 = Vocab::shutdown
@command_window = Window_Titlecommand.new(172, [s1, s2, s3])
@command_window.x = (544 - @command_window.width) / 2
@command_window.y = 416
if @continue_enabled                   # 继续有效的情况下
   @command_window.index = 1          # 光标位置符合
end
@command_window.openness = 0
@command_window.open
  end
  #--------------------------------------------------------------------------
  # ● 释放指令窗口
  #--------------------------------------------------------------------------
  def dispose_command_window
@command_window.dispose
  end
  #--------------------------------------------------------------------------
  # ● 打开指令窗口
  #--------------------------------------------------------------------------
  def open_command_window
@command_window.open
begin
   @command_window.update
   Graphics.update
end until @command_window.openness == 255
  end
  #--------------------------------------------------------------------------
  # ● 关闭指令窗口
  #--------------------------------------------------------------------------
  def close_command_window
@command_window.close
begin
   @command_window.update
   Graphics.update
end until @command_window.openness == 0
  end
  #--------------------------------------------------------------------------
  # ● 播放标题画面音乐
  #--------------------------------------------------------------------------
  def play_title_music
$data_system.title_bgm.play
RPG::BGS.stop
RPG::ME.stop
  end
  #--------------------------------------------------------------------------
  # ● 检测游戏者初期位置是否存在
  #--------------------------------------------------------------------------
  def confirm_player_location
if $data_system.start_map_id == 0
   print "没有设置游戏者初期位置。"
   exit
end
  end
  #--------------------------------------------------------------------------
  # ● 指令 : 新游戏
  #--------------------------------------------------------------------------
  def command_new_game
confirm_player_location
Sound.play_decision
$game_party.setup_starting_members          # 初期同伴
$game_map.setup($data_system.start_map_id) # 初期地图位置
$game_player.moveto($data_system.start_x, $data_system.start_y)
$game_player.refresh
$scene = Scene_Map.new
RPG::BGM.fade(1500)
close_command_window
Graphics.fadeout(60)
Graphics.wait(40)
Graphics.frame_count = 0
RPG::BGM.stop
$game_map.autoplay
  end
  #--------------------------------------------------------------------------
  # ● 指令 : 继续
  #--------------------------------------------------------------------------
  def command_continue
if @continue_enabled
   Sound.play_decision
   $scene = Scene_File.new(false, true, false)
else
   Sound.play_buzzer
end
  end
  #--------------------------------------------------------------------------
  # ● 指令 : 退出
  #--------------------------------------------------------------------------
  def command_shutdown
Sound.play_decision
RPG::BGM.fade(800)
RPG::BGS.fade(800)
RPG::ME.fade(800)
$scene = nil
  end
  #--------------------------------------------------------------------------
  # ● 战斗测试
  #--------------------------------------------------------------------------
  def battle_test
load_bt_database                # 载入战斗测试用数据库
create_game_objects             # 生成游戏对象
Graphics.frame_count = 0       # 初始化游戏时间
$game_party.setup_battle_test_members
$game_troop.setup($data_system.test_troop_id)
$game_troop.can_escape = true
$game_system.battle_bgm.play
snapshot_for_background
$scene = Scene_Battle.new
  end
end