关于$data_items的子方法调用出错，求助 - Project1

def draw_item(e)
stone = @stone[e]
num = $game_party.item_number(stone.id)
self.contents.font.color = normal_color
x = 4
y = e *32
rect = Rect.new(x,y,200,32)
draw_icon(stone.icon_index, x, y+4, true)
self.contents.draw_text(x+30,y,192,32, stone.name)
self.contents.draw_text(x+224,y,16,32,"X",1)
self.contents.draw_text(x+242,y,24,32,num.to_s,1)
end

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@stone = []
for i in 1...$data_items.size
@stone.push($data_items[i])
end

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if @stone.size > 0
self.contents = Bitmap.new(200,row_max * 32)
for i in [email][email protected][/email]
draw_item(i)
end

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def draw_item(e)
stone = @stone[e]
num = $game_party.item_number(stone.id)
self.contents.font.color = normal_color
x = 4
y = e *32
rect = Rect.new(x,y,200,32)

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self.contents.draw_icon($data_items[e].icon_index, x, y+4, enabled = true)

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#==============================================================================
# 武器炼化模块定义
#==============================================================================
module LH
max_stone = 10
max_weapen = 30
weapon_hash = {}
end
#==============================================================================
# 标题窗口
#==============================================================================
class Window_LH_Title < Window_Base
#--------------------------------------------------------------------------
# * 物件初始化
#--------------------------------------------------------------------------
def initialize
super(150, 0, 244, 64)
self.contents = Bitmap.new(width-32,height-32)
refresh
end
#--------------------------------------------------------------------------
# * 更新內容顯示
#--------------------------------------------------------------------------
def refresh
self.contents.clear
self.contents.font.color = normal_color
self.contents.font.size = 30
self.contents.draw_text(-12,0,self.width,30,"武器炼化",1)
end
end
#==============================================================================
# 矿石选择窗口
#==============================================================================
class Window_LH_Stone < Window_Selectable
#--------------------------------------------------------------------------
# * 物件初始化
#--------------------------------------------------------------------------
def initialize
super(0,64,272,208)
refresh
self.index = 0
end
#--------------------------------------------------------------------------
# * 更新內容顯示
#--------------------------------------------------------------------------
def refresh
if self.contents != nil
self.contents.clear
end
@stone = []
for i in 1...$data_items.size
@stone.push($data_items[i])
end
if @stone.size > 0
self.contents = Bitmap.new(200,row_max * 32)
for i in [email protected]
draw_item(i)
end
else
self.contents = Bitmap.new(width-32,32)
self.contents.draw_text(0,0,200,32,"目前没有可以炼化的元素",0)
self.index = -1
end
end
#--------------------------------------------------------------------------
# * 繪製條目
#--------------------------------------------------------------------------
def draw_item(e)
stone = @stone[e]
num = $game_party.item_number(stone.id)
self.contents.font.color = normal_color
x = 4
y = e *32
rect = Rect.new(x,y,200,32)
e += 1
draw_icon(stone.icon_index, x, y+4, true)
self.contents.draw_text(x+30,y,192,32, stone.name)
self.contents.draw_text(x+224,y,16,32,"X",1)
self.contents.draw_text(x+242,y,24,32,num.to_s,1)
end
end
#==============================================================================
# ** Scene_LH
#------------------------------------------------------------------------------
# 這個類用來显示武器炼化系统。
#==============================================================================
class Scene_LH < Scene_Base
#--------------------------------------------------------------------------
# * 初始化
#--------------------------------------------------------------------------
def initialize
end
#--------------------------------------------------------------------------
# * 程式开始
#--------------------------------------------------------------------------
def start
super
create_menu_background
@tw = Window_LH_Title.new
@sw = Window_LH_Stone.new
end
#--------------------------------------------------------------------------
# ● 结束处理
#--------------------------------------------------------------------------
def terminate
super
dispose_menu_background
@tw.dispose
@sw.dispose
end
#--------------------------------------------------------------------------
# ● 更新画面
#--------------------------------------------------------------------------
def update
super
if Input.trigger?(Input::B)
Sound.play_cancel
$scene = Scene_Map.new # 程式終止
end
@tw.update
@sw.update
end
#--------------------------------------------------------------------------
# ● 更新命令窗口
#--------------------------------------------------------------------------
end

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