Class: Natural20::MagicMissile

Inherits:
Spell
  • Object
show all
Includes:
AttackHelper, Cover, Weapons
Defined in:
lib/natural_20/spell_library/magic_missile.rb

Instance Attribute Summary

Attributes inherited from Spell

#errors, #properties, #source

Instance Method Summary collapse

Methods included from AttackHelper

#after_attack_roll_hook, #calculate_cover_ac, #effective_ac

Methods included from Weapons

#compute_advantages_and_disadvantages, #damage_modifier, #target_advantage_condition

Methods included from Cover

#cover_calculation

Methods inherited from Spell

apply!, #id, #initialize, #label, #validate!

Constructor Details

This class inherits a constructor from Natural20::Spell

Instance Method Details

#build_map(action) ⇒ Object 



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# File 'lib/natural_20/spell_library/magic_missile.rb', line 6

def build_map(action)
  cast_level = action.at_level || 1
  darts = 3 + (cast_level - 1)

  OpenStruct.new({
                   param: [
                     {
                       type: :select_target,
                       num: darts,
                       range: @properties[:range],
                       target_types: i[enemies]
                     }
                   ],
                   next: lambda { |target|
                           action.target = target
                           OpenStruct.new({
                                            param: nil,
                                            next: lambda {
                                                    action
                                                  }
                                          })
                         }
                 })
end

#resolve(entity, battle, spell_action) ⇒ Object

Parameters:

  • entity (Natural20::Entity)
  • battle (Natrual20::Battle)
  • spell_action (Natural20::SpellAction) 


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# File 'lib/natural_20/spell_library/magic_missile.rb', line 34

def resolve(entity, battle, spell_action)
  targets = spell_action.target

  targets.map do |target|
    after_attack_roll_hook(battle, target,
      entity, nil, nil, spell: @properties)

    if target.has_spell_effect?(:shield)
      {
        source: entity,
        target: target,
        attack_name: t('spell.magic_missile'),
        damage_type: @properties[:damage_type],
        type: :spell_miss,
        spell: @properties
      }
    else
      damage_roll = Natural20::DieRoll.roll('1d4+1', battle: battle, entity: entity,
                                                     description: t('dice_roll.spells.magic_missile'))

      {
        source: entity,
        target: target,
        attack_name: t('spell.magic_missile'),
        damage_type: @properties[:damage_type],
        damage_roll: damage_roll,
        damage: damage_roll,
        type: :spell_damage,
        spell: @properties
      }
    end
  end
end