制作简易的装备栏和物品栏之类的 - Project1

#==============================================================================
# ■ Window_Item
#------------------------------------------------------------------------------
# 　物品画面、战斗画面、显示浏览物品的窗口。
#==============================================================================
class Window_Item < Window_Selectable
#--------------------------------------------------------------------------
# ● 初始化对像
#--------------------------------------------------------------------------
def initialize
super(0, 64, 640, 416)
@column_max = 5
refresh
self.index = 0
# 战斗中的情况下将窗口移至中央并将其半透明化
if $game_temp.in_battle
self.y = 64
self.height = 256
self.back_opacity = 160
end
end
#--------------------------------------------------------------------------
# ● 获取物品
#--------------------------------------------------------------------------
def item
return @data[self.index]
end
#--------------------------------------------------------------------------
# ● 刷新
#--------------------------------------------------------------------------
def refresh
if self.contents != nil
self.contents.dispose
self.contents = nil
end
@data = []
# 添加物品
for i in 1...$data_items.size
if $game_party.item_number(i) > 0
@data.push($data_items[i])
end
end
# 在战斗中以外添加武器、防具
unless $game_temp.in_battle
for i in 1...$data_weapons.size
if $game_party.weapon_number(i) > 0
@data.push($data_weapons[i])
end
end
for i in 1...$data_armors.size
if $game_party.armor_number(i) > 0
@data.push($data_armors[i])
end
end
end
# 如果项目数不是 0 就生成位图、重新描绘全部项目
@item_max = @data.size
if @item_max > 0
self.contents = Bitmap.new(width - 32, row_max * 32)
for i in 0...@item_max
draw_item(i)
end
end
end
#--------------------------------------------------------------------------
# ● 描绘项目
# index : 项目编号
#--------------------------------------------------------------------------
def draw_item(index)
item = @data[index]
case item
when RPG::Item
number = $game_party.item_number(item.id)
when RPG::Weapon
number = $game_party.weapon_number(item.id)
when RPG::Armor
number = $game_party.armor_number(item.id)
end
if item.is_a?(RPG::Item) and
$game_party.item_can_use?(item.id)
self.contents.font.color = normal_color
else
self.contents.font.color = disabled_color
end
x = 4 + index % 5 * (130)
y = index / 5 * 32
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 + 4, bitmap, Rect.new(0, 0, 24, 24), opacity)
# self.contents.draw_text(x + 28, y, 212, 32, item.name, 0)
# self.contents.draw_text(x + 240, y, 16, 32, ":", 1)
self.contents.draw_text(x + 52, y, 24, 32, number.to_s, 2)
end
#--------------------------------------------------------------------------
# ● 刷新帮助文本
#--------------------------------------------------------------------------
def update_help
@help_window.set_text(self.item == nil ? "" : self.item.description)
end
end

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