Rival Starter

module Settings
  #The game variable that stores the player's choice of starter
  STARTER_CHOICE = 7
  #The starters used by the rival, depending on the variable.
  #Remember, it starts at 0.
  RIVAL_STARTERS = [:CHARMANDER,:BULBASAUR,:SQUIRTLE]
  #The starter uses pbBalancedLevel to get its level.
  #pbBalancedLevel is the average level of the party +2.
  #LEVEL_BOOST will be added to increase it further.
  LEVEL_BOOST = 50
end

def pbRivalStarter(pkmn)
  GameData::Stat.each_main do |s|
    pkmn.iv[s.id] = 31
  end
  case $game_variables[Settings::STARTER_CHOICE]
    when 0
      pkmn.item = :CHARCOAL if pkmn.level > 30
    when 1
      pkmn.item = :MYSTICWATER if pkmn.level > 30
    when 2
      pkmn.item = :MIRACLESEED if pkmn.level > 30
  end
end

Events.onTrainerPartyLoad += proc { |_sender, trainer|
if trainer
  party = trainer[0].party
  if party.length < 6
    species = Settings::RIVAL_STARTERS[$game_variables[Settings::STARTER_CHOICE]]
    level = pbBalancedLevel(party) + Settings::LEVEL_BOOST
    pkmn = Pokemon.new(species,level)
    loop do
      newspecies = pkmn.check_evolution_on_level_up
      if newspecies
        pkmn.species = newspecies
      else
        break
      end
    end
    pkmn.reset_moves
    pkmn.calc_stats
    pbRivalStarter(pkmn)
    party.push(pkmn)
  end
end
}