请教一个关于商店界面的问题 - Project1

# 使用方法
# 在商店命令的上方加入注释
# item 1 2 3 4..... 表示只有1 2 3 4 物品可以出售
# weapon 代表武器， armor 代表防具
# 例子：
# item 1 5 10 2 4
# weapon 4, 5, 6, 7
# armor 13|14|15|16
# 中间隔开就行。
class Game_Interpreter
def command_302
return if $game_party.in_battle
sell_lists = []
index = @index - 1
while @list[index].code == 108 || @list[index].code == 408
sell_lists.push(@list[index])
index -= 1
end
goods = [@params]
while next_event_code == 605
@index += 1
goods.push(@list[@index].parameters)
end
SceneManager.call(Scene_Shop)
SceneManager.scene.prepare(goods, @params[4], sell_lists)
Fiber.yield
end
end
class Scene_Shop < Scene_MenuBase
def prepare(goods, purchase_only, lists)
@goods = goods
@purchase_only = purchase_only
setup_sell(lists)
end
def setup_sell(lists)
@sell_list = {}
lists.each {|list| setup_sell_list(list.parameters[0])}
end
def setup_sell_list(texts)
if texts.include?('item')
@sell_list[:item] = texts.scan(/\d+/)
elsif texts.include?('weapon')
@sell_list[:weapon] = texts.scan(/\d+/)
elsif texts.include?('armor')
@sell_list[:armor] = texts.scan(/\d+/)
end
end
def create_sell_window
wy = @category_window.y + @category_window.height
wh = Graphics.height - wy
@sell_window = Window_ShopSell.new(0, wy, Graphics.width, wh, @sell_list)
@sell_window.viewport = @viewport
@sell_window.help_window = @help_window
@sell_window.hide
@sell_window.set_handler(:ok, method(:on_sell_ok))
@sell_window.set_handler(:cancel, method(:on_sell_cancel))
@category_window.item_window = @sell_window
end
end
class Window_ShopSell < Window_ItemList
def initialize(x, y, width, height, sell_list)
super(x, y, width, height)
@sell_list = sell_list
end
def include?(item)
case @category
when :item
item.is_a?(RPG::Item) && item_list_include?(item) && !item.key_item?
when :weapon
item.is_a?(RPG::Weapon) && weapon_list_include?(item)
when :armor
item.is_a?(RPG::Armor) && armor_list_include?(item)
when :key_item
item.is_a?(RPG::Item) && item.key_item?
else
false
end
end
def item_list_include?(item)
@sell_list[:item] ? @sell_list[:item].include?(item.id.to_s) : true
end
def weapon_list_include?(item)
@sell_list[:weapon] ? @sell_list[:weapon].include?(item.id.to_s) : true
end
def armor_list_include?(item)
@sell_list[:armor] ? @sell_list[:armor].include?(item.id.to_s) : true
end
end

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