请教个窗口问题 - Project1

class Window_ComposeUp < Window_Selectable
attr_accessor :forge_item
#--------------------------------------------------------------------------
# ● 初始化对像
#--------------------------------------------------------------------------
def initialize(forge_item)
super(180, 90, 130, 80)
@column_max = 2
@forge_item = []
refresh
self.index = 0
end
#--------------------------------------------------------------------------
# ● 获取物品
#--------------------------------------------------------------------------
def item
return @data[self.index]
end
#--------------------------------------------------------------------------
# ● 获取物品
#--------------------------------------------------------------------------
def item_number
return @data_number[self.index]
end
#--------------------------------------------------------------------------
# ● 刷新
#--------------------------------------------------------------------------
def refresh
if self.contents != nil
self.contents.dispose
self.contents = nil
end
@data = []
@data_number = []
@forge_item = $game_temp.forge
for item_forge in @forge_item
case item_forge[0]
when 0
item = $data_items[item_forge[1]]
when 1
item = $data_weapons[item_forge[1]]
when 2
item = $data_armors[item_forge[1]]
end
if (item != nil) and (item_forge[2] != 0)
@data.push(item)
@data_number.push(item_forge[2])
else
@data.delete(item)
end
end
# 如果项目数不是 0 就生成位图、描绘全部项目
@item_max = @data.size
if @item_max > 0
self.contents = Bitmap.new(width - 32, row_max * 55)
for i in 0...@item_max
draw_item(i)
end
end
end
#--------------------------------------------------------------------------
# ● 描绘项目
# index : 项目标号
#--------------------------------------------------------------------------
def draw_item(index)
item = @data[index]
case item
when RPG::Item
number = $game_temp.forge[index][2]
when RPG::Weapon
number = $game_temp.forge[index][2]
when RPG::Armor
number = $game_temp.forge[index][2]
end
self.contents.font.color = normal_color
x = 4 + index % @column_max * (60)
y = 8
rect = Rect.new(x, y, self.width / @column_max - 32, 32)
self.contents.fill_rect(rect, Color.new(0, 0, 0, 0))
bitmap = RPG::Cache.icon(item.icon_name)
opacity = self.contents.font.color == normal_color ? 255 : 128
self.contents.blt(x, y + 10, bitmap, Rect.new(0, 0, 24, 24), opacity)
self.contents.draw_text(x + 10, y - 15, 24, 32, number.to_s, 2)
end

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