一种特殊类型的物品【已解决】 - Project1

class Game_BattlerBase
#--------------------------------------------------------------------------
# ● 判定技能／使用物品是否可用
#--------------------------------------------------------------------------
alias old_usable_old? usable?
def usable?(item)
if movable? && $game_party.has_item?(item)
if $game_party.in_battle
return true if $game_variables[b] > 某个数值 && item.id == 物品B的ID
else
return true if $game_variables[a] > 某个数值 && item.id == 物品A的ID
end
end
return false if [物品A的ID, 物品B的ID].include?(item.id)
old_usable_old?
end

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module RMVXA
module ITEM_USABLE
MENU_OK = /<菜单可用:[ ]*(\d+)[,]?[ ]*(\d+)/i
BATTLE_OK = /<战斗可用:[ ]*(\d+)[,]?[ ]*(\d+)/i
end
end
module DataManager
#--------------------------------------------------------------------------
# ● Loads the database
#--------------------------------------------------------------------------
class << self; alias_method(:old_load_database_old, :load_database); end
def self.load_database
old_load_database_old
load_rmvxa_item_usable_notetags
end
#--------------------------------------------------------------------------
# ● Loads the note tags
#--------------------------------------------------------------------------
def self.load_rmvxa_item_usable_notetags
for obj in $data_items
next if obj.nil?
obj.load_rmvxa_item_usable_notetags
end
end
end
class RPG::Item < RPG::UsableItem
#--------------------------------------------------------------------------
# ● Loads the note tags
#--------------------------------------------------------------------------
def load_rmvxa_item_usable_notetags
@note.split(/[\r\n]+/).each do |line|
case line
when RMVXA::ITEM_USABLE::MENU_OK
@item_usable_menu_ok = [$1.to_i, $2.to_i]
when RMVXA::ITEM_USABLE::BATTLE_OK
@item_usable_battle_ok = [$1.to_i, $2.to_i]
end
end
end
#--------------------------------------------------------------------------
# ● Returns item usable
#--------------------------------------------------------------------------
def item_usable
return @item_usable if @item_usable
item_usable_menu_ok = @item_usable_menu_ok || 0
item_usable_battle_ok = @item_usable_battle_ok || 0
@item_usable = {
:item_usable_menu_ok => item_usable_menu_ok,
:item_usable_battle_ok => item_usable_battle_ok,
}
@item_usable
end
end
class Game_BattlerBase
#--------------------------------------------------------------------------
# ● 判定技能／使用物品是否可用
#--------------------------------------------------------------------------
alias old_usable_old? usable?
def usable?(item)
if !item.nil? && item.is_a?(RPG::Item) && movable? && $game_party.has_item?(item)
if $game_party.in_battle
return true if $game_variables[item.item_usable[:item_usable_battle_ok][0]] > item.item_usable[:item_usable_battle_ok][1]
else
return true if $game_variables[item.item_usable[:item_usable_menu_ok][0]] > item.item_usable[:item_usable_menu_ok][1]
end
return false if item.item_usable[:item_usable_battle_ok][0] > 0 || item.item_usable[:item_usable_menu_ok][0] > 0
end
old_usable_old?(item)
end
end

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