Module: Partyhat::Calculators

Defined in:
lib/partyhat/calculators.rb,
lib/partyhat/calculators/combat.rb

Class Method Summary collapse

Class Method Details

.combat(stats) ⇒ Object

Calculate a user’s combat level with the given stats hash The method defaults to runescape starter stats if any of the skills are missing from the hash.



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# File 'lib/partyhat/calculators/combat.rb', line 6

def self.combat stats
  return nil if stats.nil? || stats.empty?
  # Default combat calculator stats
  default_stats = {
    :attack       => 1,
    :defence      => 1,
    :strength     => 1,
    :constitution => 10,
    :ranged       => 1,
    :prayer       => 1,
    :magic        => 1,
    :summoning    => 1
  }
  # Replace non-set values with defaults
  values = default_stats.inject({}) { |h, (k, v)| h[k] = stats[k].level.to_i || v; h }

  # Level calculations
  base_level = (values[:defence] + values[:constitution] + (values[:prayer] / 2).floor + (values[:summoning] / 2).floor) * 0.25
  base_melee = (values[:attack] + values[:strength]) * 0.325
  base_range = (values[:ranged] * 1.5).floor * 0.325
  base_magic = (values[:magic] * 1.5).floor * 0.325

  combat_level = base_level + [base_melee, base_range, base_magic].max

  # Remainder calculations
  remainder_diff = combat_level + 1
  remainder_diff = combat_level.ceil - combat_level if combat_level.is_a?(Float)
  remainders = {
    :strength_attack      => (remainder_diff / (1.0/3.0)).ceil,
    :defence_constitution => (remainder_diff / 0.25).ceil,
    :prayer_summoning     => (remainder_diff / 0.125).ceil
  }

  { :level      => combat_level,
    :remainders => remainders }
end