如何通过变量，改变商品的价格？ - Project1

# 购买处理
$game_party.lose_gold(@number_window.number * @item.price)

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# 购买处理
$game_party.lose_gold(@number_window.number * @item.price*$game_variables[XX]/100)

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# 购买处理
$game_party.lose_gold(@number_window.number * @item.price*(1-$game_variables[XX]/100).to_i)

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if $game_variables[1] > 10 and $game_variables[1] <= 100
a = 99 / 100
elsif $game_variables[1] > 100
a = 90 / 100
else
a = 1
end
$game_party.lose_gold(@number_window.number * @item.price * a)

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#==============================================================================
# 本脚本来自[url]www.66RPG.com[/url]，使用和转载请保留此信息
#==============================================================================
# ▼▲▼ XRXS36. ショップ・変動相場 ▼▲▼
# by 和希成纳、桜雅在土
# 翻译：柳柳
#command_物品定价(物品编号, 百分比)
#command_防具定价(防具编号, 百分比)
#command_武器定价(武器编号, 百分比)
# ——————————————————————————————————————
# 本脚本来自[url]www.66rpg.com[/url]，如果你没有单独得到和希或桜雅的允许，最好不要转载。
# 如需转载，也请保留此信息。
# ——————————————————————————————————————
#==============================================================================
# ■ Interpreter
#==============================================================================
class Interpreter
#--------------------------------------------------------------------------
# ◇ 更改物品价格百分比
#--------------------------------------------------------------------------
def command_物品定价(id, percent)
$data_items[id].quotation_percent = percent
end
#--------------------------------------------------------------------------
# ◇ 更改武器价格百分比
#--------------------------------------------------------------------------
def command_武器定价(id, percent)
$data_weapons[id].quotation_percent = percent
end
#--------------------------------------------------------------------------
# ◇ 更改防具价格百分比
#--------------------------------------------------------------------------
def command_防具定价(id, percent)
$data_armors[id].quotation_percent = percent
end
end
# ——————————————————————————————————————
# 本脚本来自[url]www.66rpg.com[/url]，如果你没有单独得到和希或桜雅的允许，最好不要转载。
# 如需转载，也请保留此信息。
# ——————————————————————————————————————
module RPG
#============================================================================
# ■ RPG::Item
#============================================================================
class Item
attr_accessor :quotation_percent
#--------------------------------------------------------------------------
# ● 数值更改
#--------------------------------------------------------------------------
def price
# 如果百分比未定义，则返回原价格
@quotation_percent = 100 if @quotation_percent.nil?
# 返回价格
return @price * @quotation_percent / 100
end
end
#============================================================================
# ■ RPG::Weapon
#============================================================================
class Weapon
attr_accessor :quotation_percent
#--------------------------------------------------------------------------
# ● 数值更改
#--------------------------------------------------------------------------
def price
# 如果百分比未定义，则返回原价格
@quotation_percent = 100 if @quotation_percent.nil?
# 返回价格
return @price * @quotation_percent / 100
end
end
#============================================================================
# ■ RPG::Armor
#============================================================================
class Armor
attr_accessor :quotation_percent
#--------------------------------------------------------------------------
# ● 値段
#--------------------------------------------------------------------------
def price
# 如果百分比未定义，则返回原价格
@quotation_percent = 100 if @quotation_percent.nil?
# 返回价格
return @price * @quotation_percent / 100
end
end
end
#==============================================================================
# 本脚本来自[url]www.66RPG.com[/url]，使用和转载请保留此信息
#==============================================================================

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$game_party.lose_gold(@number_window.number * (@item.price*(1-$game_variables[XX]/1000.0)).to_i)

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v = $game_variables[XX]
i_price = v > 1000 ? 0 : (@item.price*(1-v/1000.0)).truncate
$game_party.lose_gold(@number_window.number * i_price)

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self.contents.draw_text(x + 240, y, 88, 32, item.price.to_s, 2)
改成:
v = $game_variables[XX]
i_price = v > 1000 ? 0 : (item.price*(1-v/1000.0)).truncate
self.contents.draw_text(x + 240, y, 88, 32, i_price.to_s, 2)

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# 窗口状态转向数值输入模式
@buy_window.active = false
@buy_window.visible = false
@number_window.set(@item, max, @item.price)
@number_window.active = true
@number_window.visible = true
改成:
# 窗口状态转向数值输入模式
@buy_window.active = false
@buy_window.visible = false
v = $game_variables[XX]
i_price = v > 1000 ? 0 : (item.price*(1-v/1000.0)).truncate
@number_window.set(@item, max, i_price)
@number_window.active = true
@number_window.visible = true

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module RPG
class Item
# 取得物品购买价格
def buy_price
# 若不想物品价格根据变量改变,请把下面一条语句前的#删掉
#return @price
# 根据此变量改变价格
v = $game_variables[1]
i_price = v > 1000 ? 0 : (@price*(1-v/1000.0)).truncate
return i_price
end
end
end
module RPG
class Weapon
# 取得武器购买价格
def buy_price
# 若不想武器价格根据变量改变,请把下面一条语句前的#删掉
#return @price
# 根据此变量改变价格
v = $game_variables[1]
i_price = v > 1000 ? 0 : (@price*(1-v/1000.0)).truncate
return i_price
end
end
end
module RPG
class Armor
# 取得防具购买价格
def buy_price
# 若不想防具价格根据变量改变,请把下面一条语句前的#删掉
#return @price
# 根据此变量改变价格
v = $game_variables[1]
i_price = v > 1000 ? 0 : (@price*(1-v/1000.0)).truncate
return i_price
end
end
end
#==============================================================================
# ■ Window_ShopBuy
#------------------------------------------------------------------------------
# 　商店画面、浏览显示可以购买的商品的窗口。
#==============================================================================
class Window_ShopBuy < Window_Selectable
#--------------------------------------------------------------------------
# ● 描绘项目
# index : 项目编号
#--------------------------------------------------------------------------
def draw_item(index)
item = @data[index]
# 获取物品所持数
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
# 价格在所持金以下、并且所持数不是 99 的情况下为普通文字颜色
# 除此之外的情况设置为无效文字色
if item.buy_price <= $game_party.gold and number < 99
self.contents.font.color = normal_color
else
self.contents.font.color = disabled_color
end
x = 4
y = index * 32
rect = Rect.new(x, y, self.width - 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, 88, 32, item.buy_price.to_s, 2)
end
end
#==============================================================================
# ■ Scene_Shop
#------------------------------------------------------------------------------
# 　处理商店画面的类。
#==============================================================================
class Scene_Shop
#--------------------------------------------------------------------------
# ● 刷新画面 (购买窗口激活的情况下)
#--------------------------------------------------------------------------
def update_buy
# 设置状态窗口的物品
@status_window.item = @buy_window.item
# 按下 B 键的情况下
if Input.trigger?(Input::B)
# 演奏取消 SE
$game_system.se_play($data_system.cancel_se)
# 窗口状态转向初期模式
@command_window.active = true
@dummy_window.visible = true
@buy_window.active = false
@buy_window.visible = false
@status_window.visible = false
@status_window.item = nil
# 删除帮助文本
@help_window.set_text("")
return
end
# 按下 C 键的情况下
if Input.trigger?(Input::C)
# 获取物品
@item = @buy_window.item
# 物品无效的情况下、或者价格在所持金以上的情况下
if @item == nil or @item.buy_price > $game_party.gold
# 演奏冻结 SE
$game_system.se_play($data_system.buzzer_se)
return
end
# 获取物品所持数
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
# 如果已经拥有了 99 个情况下
if number == 99
# 演奏冻结 SE
$game_system.se_play($data_system.buzzer_se)
return
end
# 演奏确定 SE
$game_system.se_play($data_system.decision_se)
# 计算可以最多购买的数量
max = @item.buy_price == 0 ? 99 : $game_party.gold / @item.buy_price
max = [max, 99 - number].min
# 窗口状态转向数值输入模式
@buy_window.active = false
@buy_window.visible = false
@number_window.set(@item, max, @item.buy_price)
@number_window.active = true
@number_window.visible = true
end
end
#--------------------------------------------------------------------------
# ● 刷新画面 (个数输入窗口激活的情况下)
#--------------------------------------------------------------------------
def update_number
# 按下 B 键的情况下
if Input.trigger?(Input::B)
# 演奏取消 SE
$game_system.se_play($data_system.cancel_se)
# 设置个数输入窗口为不活动·非可视状态
@number_window.active = false
@number_window.visible = false
# 命令窗口光标位置分支
case @command_window.index
when 0 # 购买
# 窗口状态转向购买模式
@buy_window.active = true
@buy_window.visible = true
when 1 # 卖出
# 窗口状态转向卖出模式
@sell_window.active = true
@sell_window.visible = true
@status_window.visible = false
end
return
end
# 按下 C 键的情况下
if Input.trigger?(Input::C)
# 演奏商店 SE
$game_system.se_play($data_system.shop_se)
# 设置个数输入窗口为不活动·非可视状态
@number_window.active = false
@number_window.visible = false
# 命令窗口光标位置分支
case @command_window.index
when 0 # 购买
# 购买处理
$game_party.lose_gold(@number_window.number * @item.buy_price)
case @item
when RPG::Item
$game_party.gain_item(@item.id, @number_window.number)
when RPG::Weapon
$game_party.gain_weapon(@item.id, @number_window.number)
when RPG::Armor
$game_party.gain_armor(@item.id, @number_window.number)
end
# 刷新各窗口
@gold_window.refresh
@buy_window.refresh
@status_window.refresh
# 窗口状态转向购买模式
@buy_window.active = true
@buy_window.visible = true
when 1 # 卖出
# 卖出处理
$game_party.gain_gold(@number_window.number * (@item.price / 2))
case @item
when RPG::Item
$game_party.lose_item(@item.id, @number_window.number)
when RPG::Weapon
$game_party.lose_weapon(@item.id, @number_window.number)
when RPG::Armor
$game_party.lose_armor(@item.id, @number_window.number)
end
# 刷新各窗口
@gold_window.refresh
@sell_window.refresh
@status_window.refresh
# 窗口状态转向卖出模式
@sell_window.active = true
@sell_window.visible = true
@status_window.visible = false
end
return
end
end
end

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