用了菜单窗口问题 - Project1

#==============================================================================
# ■ Scene_Item
#------------------------------------------------------------------------------
# 　处理物品画面的类。
#==============================================================================
class Scene_Item < Scene_Base
#--------------------------------------------------------------------------
# ● 开始处理
#--------------------------------------------------------------------------
def start
super
create_menu_background
@sprite = Sprite.new
@sprite.bitmap = Cache.system("物品")
@viewport = Viewport.new(0, 0, 544, 416)
@help_window = Window_Help.new
@help_window.viewport = @viewport
@item_window = Window_Item.new(0, 56, 544, 360)
@item_window.viewport = @viewport
@item_window.help_window = @help_window
@item_window.active = false
@target_window = Window_MenuStatus.new(0, 0)
hide_target_window
end
#--------------------------------------------------------------------------
# ● 结束处理
#--------------------------------------------------------------------------
def terminate
super
dispose_menu_background
@sprite.bitmap.dispose
@viewport.dispose
@help_window.dispose
@item_window.dispose
@target_window.dispose
end
#--------------------------------------------------------------------------
# ● 回到原画面
#--------------------------------------------------------------------------
def return_scene
$scene = Scene_Menu.new(0)
end
#--------------------------------------------------------------------------
# ● 更新画面
#--------------------------------------------------------------------------
def update
super
update_menu_background
@help_window.update
@item_window.update
@target_window.update
if @item_window.active
update_item_selection
elsif @target_window.active
update_target_selection
end
end
#--------------------------------------------------------------------------
# ● 更新物品选择
#--------------------------------------------------------------------------
def update_item_selection
if Input.trigger?(Input::B)
Sound.play_cancel
return_scene
elsif Input.trigger?(Input::C)
@item = @item_window.item
if @item != nil
$game_party.last_item_id = @item.id
end
if $game_party.item_can_use?(@item)
Sound.play_decision
determine_item
else
Sound.play_buzzer
end
end
end
#--------------------------------------------------------------------------
# ● 确认物品
#--------------------------------------------------------------------------
def determine_item
if @item.for_friend?
show_target_window(@item_window.index % 2 == 0)
if @item.for_all?
@target_window.index = 99
else
if $game_party.last_target_index < @target_window.item_max
@target_window.index = $game_party.last_target_index
else
@target_window.index = 0
end
end
else
use_item_nontarget
end
end
#--------------------------------------------------------------------------
# ● 更新目标选择
#--------------------------------------------------------------------------
def update_target_selection
if Input.trigger?(Input::B)
Sound.play_cancel
if $game_party.item_number(@item) == 0 # 判断物品是否耗尽
@item_window.refresh # 刷新窗口内容
end
hide_target_window
elsif Input.trigger?(Input::C)
if not $game_party.item_can_use?(@item)
Sound.play_buzzer
else
determine_target
end
end
end
#--------------------------------------------------------------------------
# ● 确认目标
# 目标无效时（如对无法战斗的角色使用回复药水）则播放冻结SE。
#--------------------------------------------------------------------------
def determine_target
used = false
if @item.for_all?
for target in $game_party.members
target.item_effect(target, @item)
used = true unless target.skipped
end
else
$game_party.last_target_index = @target_window.index
target = $game_party.members[@target_window.index]
target.item_effect(target, @item)
used = true unless target.skipped
end
if used
use_item_nontarget
else
Sound.play_buzzer
end
end
#--------------------------------------------------------------------------
# ● 显示目标窗口
# right : 靠又对齐标签（为false时则靠左）
#--------------------------------------------------------------------------
def show_target_window(right)
@item_window.active = false
width_remain = 544 - @target_window.width
@target_window.x = right ? width_remain : 0
@target_window.visible = true
@target_window.active = true
if right
@viewport.rect.set(0, 0, width_remain, 416)
@viewport.ox = 0
else
@viewport.rect.set(@target_window.width, 0, width_remain, 416)
@viewport.ox = @target_window.width
end
end
#--------------------------------------------------------------------------
# ● 隐藏目标窗口
#--------------------------------------------------------------------------
def hide_target_window
@item_window.active = true
@target_window.visible = false
@target_window.active = false
@viewport.rect.set(0, 0, 544, 416)
@viewport.ox = 0
end
#--------------------------------------------------------------------------
# ● 非同伴目标使用物品
#--------------------------------------------------------------------------
def use_item_nontarget
Sound.play_use_item
$game_party.consume_item(@item)
@item_window.draw_item(@item_window.index)
@target_window.refresh
if $game_party.all_dead?
$scene = Scene_Gameover.new
elsif @item.common_event_id > 0
$game_temp.common_event_id = @item.common_event_id
$scene = Scene_Map.new
end
end
end

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