DOUBLEX RMVXA UNISON ADDON TO YANFLY ENGINE ACE - ACE BATTLE ENGINE

#  * Skill/Item Notetags:                                                      |
#    1. <unison actors: ids>                                                   |
#       - Sets the list of id of actors needed for the skill/item as ids.      |
#         For example:                                                         |
#         <unison actors: 1> means actor with id 1 is required to use it       |
#         <unison actors: 4, 2> means actors with id 4 and 2 are needed        |
#       - All actors in list ids needs to be in the battle, inputable, able to |
#         use it and pay its cost. They'll all pay the cost after using it.    |
#         Only actors in list x can select it.                                 |
#    2. <unison def rule: rule                                                 |
#       - Sets the rule of setting user's def in the skill/item's damage       |
#         formula as rule, whose symbol is one of those in UNISON_RULES.       |
#       - The symbol of def must be included in UNISON_DEFS                    |
#       - This notetag needs to be written below <unison item: ids> to work.   |
#    3. <unison def actors: ids>                                               |
#       - Sets user's method def in the skill/item's damage formula to use its |
#         unison rule to combine those of actors with id includedin the list   |
#         ids. def needs to be able to take no arguments and return a Numeric  |
#         to work.                                                             |
#         For example:                                                         |
#         <unison atk actors: 1> means the user's atk in its damage formula    |
#         uses thatof actor with id 1                                          |
#         <unison mat actors: 4, 2> means the user's mat in its damage formula |
#         uses mat of actors with id 4 and 2 under the skill/item's unison rule|
#       - The symbol of def must be included in UNISON_DEFS                    |
#       - This notetag needs to be written below <unison item: ids> to work.   |

# Sets if the battlelog will show all actors involved in the unison skills
    # or items instead of only the one invoking them
    # If SHOW_UNISON_ACTOR_SWITCH_ID is a natural number, the state of switch
    # with id SHOW_UNISON_ACTOR_SWITCH_ID will be used instead
    SHOW_UNISON_ACTOR = true
    SHOW_UNISON_ACTOR_SWITCH_ID = 0

    # Sets the symbol of the rule used for setting the user's methods in the
    # damage formula by using those of the included unison actors
    # or items instead of only the one invoking them
    # It must return a symbol included in UNISON_RULES
    # If UNISON_DEF_RULE_VAR_ID is a natural number, the value of variable
    # with id UNISON_DEF_RULE_VAR_ID will be used instead
    UNISON_DEF_RULE = :avg
    UNISON_DEF_RULE_VAR_ID = 0

    # Implements the unison method rules
    # The unison method value of all unison battlers can be referneced by vals
    # The unison method rule symbol can be referenced by rule
    # It's a method under Game_BattlerBase
    # It must return a real number 
    UNISON_RULES = %Q(
  def unison_rules(vals, rule) # This line shalln't be changed
    if rule == :min
      vals.min
    elsif rule == :avg
      vals.inject(:+) / vals.size
    elsif rule == :max
      vals.max
    else
      0
    end
  end
    )

    # Sets the battler methods to use the unison method rules
    # Its keys must be the battler method name symbols
    # Methods with name method_name will be aliased to method_name_unison
    UNISON_DEFS = {

      # General Form:
      # [:method_class, :super_class] => [
      #   :method_name
      # ]

      [:Game_BattlerBase] => [
        :hp,
        :mp,
        :tp,
        :mhp,
        :mmp,
        :atk,
        :def,
        :mat,
        :mdf,
        :agi
        # Adds new methods here
        
      ],

      [:Game_Actor, :Game_Battler] => [
        :level
        # Adds new methods here
        
      ]

      # Adds new classes here
      

    }

#    v1.00c(GMT 0000 25-2-2016):                                               |
#    1. Fixed nil actor in unison_item_usable? due to missing code bug         |
#    2. Fixed not restroing the unison usable lock for the currently selected  |
#       unison skill/item right before processing the prior command            |
#    3. Fixed not clearing the unison usable lock for the currently selected   |
#       unison skill/item right after processing the next command              |
#    4. Fixed not clearing unison inputable/usable locks upon clearing unison  |
#       action slot                                                            |
#    v1.00b(GMT 1100 26-7-2015):                                               |
#    1. Fixed reserving nonempty action slots and selecting reserved ones bug  |
#    v1.00a(GMT 1200 22-7-2015):                                               |
#    1. 1st version of this script finished                                    |