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 Group Variables v1.1
#1
Group Variables
Version: 1.1

Introduction
This small code allows game creators to set, add, subtract, multiply, etc. values from variables.

Features
  • Adjust the values of multiple variables.

Screenshots
No screencaps.

Demo
No demo.

Script
Code:
=begin
????????????????????????????????????????????????????????????????????????????????
? Group Variables by PK8 v1.1, November 11th, 2009.                            ?
? http://rmvxp.com                                                             ?
????????????????????????????????????????????????????????????????????????????????
? ? Table of Contents                                                          ?
? ?? Author's Notes                - Line 13,14                                ?
? ?? Introduction & Description    - Line 16?18                                ?
? ?? Features                      - Line 20,21                                ?
? ?? How to Use                    - Line 23?48                                ?
? ?? Changelog                     - Line 50?52                                ?
????????????????????????????????????????????????????????????????????????????????
? ? Author's Notes                                                             ?
? Boredom + running out of ideas = this script. :P                             ?
????????????????????????????????????????????????????????????????????????????????
? ? Introduction & Description                                                 ?
? This small code allows game creators to set, add, subtract, multiply, etc.   ?
? values from variables.                                                       ?
????????????????????????????????????????????????????????????????????????????????
? ? Features                                                                   ?
? ? Adjust the values of multiple variables.                                   ?
????????????????????????????????????????????????????????????????????????????????
? ? How to Use                                                                 ?
?   Call script: group_variable(oper, value, any number of variables)          ?
?    oper:                                                                     ?
?      0, 'set', '=': Sets value of variables.                                 ?
?      1, 'add', '+': Adds value to variables.                                 ?
?      2, 'sub', '-': Subtracts value from variables.                          ?
?      3, 'mul', '*': Multiplies variables by value.                           ?
?      4, 'div', '/': Divides variables by value.                              ?
?      5, 'mod', '%': Divides variables by value, returns remainder (I think). ?
?                                                                              ?
?   Example:                                                                   ?
?     group_variable('set', 20, 1..8,10,12)                                    ?
?       The above script call sets the values of variables 1-8, 10 & 12 to 20. ?
?                                                                              ?
?     group_variable('add', 10, 3,7,11)                                        ?
?       The above script call adds 10 to the values of variables 3, 7 and 11.  ?
?                                                                              ?
?     group_variable('sub', 5, 2,9,20)                                         ?
?       The above script call subtracts 5 from the values of variables 2,9 & 20?
?                                                                              ?
?     group_variable('mul', 2, 1..3,5)                                         ?
?       The above script call multiplies the values of variables 1-3 & 5 by 2. ?
?                                                                              ?
?   Also: You could use ranges in the arguments. Here's an example: *          ?
?     group_variable('set', 2, 1..10, 18, 12..15)                              ?
?     The above call will set the values of variables 1-10, 18 and 12-15 to 2. ?
????????????????????????????????????????????????????????????????????????????????
? ? Changelog                                                                  ?
? v1.1 (Nov. 12th, 2009): Added group_variables call for anyone who'd prefer   ?
?                         using that instead of group_variable.                ?
????????????????????????????????????????????????????????????????????????????????
=end

#==============================================================================
# IMPORTANT! RMVX users, set this to false!
#==============================================================================
class PK8
  Group_Variable_RMXP = true # true if using RMXP, false if using RMVX.
end

#==============================================================================
# ** Interpreter
#------------------------------------------------------------------------------
#  This interpreter runs event commands. This class is used within the
#  Game_System class and the Game_Event class.
#==============================================================================

if PK8::Group_Variable_RMXP == true
  class Interpreter
    def group_variable(oper, value, *variables)
      variables.each_index { | index |
        # Pushes everything in the range to the variable array.
        if variables[index].is_a?(Range) == true
          variables[index].each {| n | variables.push(n) }
          variables[index] = nil
        end
      }
      variables.compact!
      
      # This is where it does it's business.
      case oper
      when 0, 'set', 'substitute', 'is', '='
        variables.each { | i | $game_variables[i] = value }
      when 1, 'add', 'addition', 'plus', '+'
        variables.each { | i | $game_variables[i] += value }
      when 2, 'sub', 'subtract', 'subtraction', 'minus', '-'
        variables.each { | i | $game_variables[i] -= value }
      when 3, 'mul', 'multiply', 'multiplication', 'times', 'x', '*'
        variables.each { | i | $game_variables[i] *= value }
      when 4, 'div', 'divide', 'division', 'divided by', '/'
        variables.each { | i | $game_variables[i] /= value }
      when 5, 'mod', 'modulo', '%'
        variables.each { | i | $game_variables[i] %= value }
      end
      return
    end
    
    # Alternate Call.
    def group_variables(oper, value, *variables)
      group_variable(oper, value, *variables)
    end
  end
end

#==============================================================================
# ** Game_Interpreter
#------------------------------------------------------------------------------
#  An interpreter for executing event commands. This class is used within the
# Game_Map, Game_Troop, and Game_Event classes.
#==============================================================================

if PK8::Group_Variable_RMXP == false
  class Game_Interpreter
    def group_variable(oper, value, *variables)
      variables.each_index { | index |
        # Pushes everything in the range to the variable array.
        if variables[index].is_a?(Range) == true
          variables[index].each {| n | variables.push(n) }
          variables[index] = nil
        end
      }
      variables.compact!
      
      # This is where it does it's business.
      case oper
      when 0, 'set', 'substitute', 'is', '='
        variables.each { | i | $game_variables[i] = value }
      when 1, 'add', 'addition', 'plus', '+'
        variables.each { | i | $game_variables[i] += value }
      when 2, 'sub', 'subtract', 'subtraction', 'minus', '-'
        variables.each { | i | $game_variables[i] -= value }
      when 3, 'mul', 'multiply', 'multiplication', 'times', 'x', '*'
        variables.each { | i | $game_variables[i] *= value }
      when 4, 'div', 'divide', 'division', 'divided by', '/'
        variables.each { | i | $game_variables[i] /= value }
      when 5, 'mod', 'modulo', '%'
        variables.each { | i | $game_variables[i] %= value }
      end
      return
    end
    
    # Alternate Call.
    def group_variables(oper, value, *variables)
      group_variable(oper, value, *variables)
    end
  end
end

Instructions
Instructions are in the script.

FAQ
If you've any questions or if you're feeling pretty confused, feel free to post a question. :P

Compatibility
It should have no problem when it comes to compatibility.

Credits and Thanks
No credits.

Author's Notes
Boredom + Running out of ideas = this script.

Terms and Conditions
Credit me. :3
Reply }
#2
it's simple. But, I think it'll be useful ^_^

especially for learners like me, :D
Reply }
#3
Heya, updated the script to Version 1.1.

What's the update? For those who felt that the name of the method was inconsistent with the class name Game_Variables and the object $game_variables, I decided to add the "group_variables" call. c:
Reply }


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