Class: Gemwarrior::Battle

Inherits:
Object
  • Object
show all
Defined in:
lib/gemwarrior/battle.rb

Constant Summary collapse

ERROR_ATTACK_OPTION_INVALID =

CONSTANTS

'That will not do anything against the monster.'
BEAST_MODE_ATTACK_LO = 
100
BEAST_MODE_ATTACK_HI = 
200
ATTEMPT_SUCCESS_LO_DEFAULT = 
0
ATTEMPT_SUCCESS_HI_DEFAULT = 
100
MISS_CAP_DEFAULT = 
20
LV4_ROCK_SLIDE_MOD_LO = 
6
LV5_MOD_LO = 
7
LV5_MOD_HI = 
14
ESCAPE_TEXT = 
'** POOF **'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Battle

Returns a new instance of Battle.



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# File 'lib/gemwarrior/battle.rb', line 25

def initialize(options)
  self.world                = options.fetch(:world)
  self.player               = options.fetch(:player)
  self.monster              = options.fetch(:monster)
  self.player_is_defending  = false
end

Instance Attribute Details

#monster ⇒ Object

Returns the value of attribute monster.



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# File 'lib/gemwarrior/battle.rb', line 20

def monster
  @monster
end

#player ⇒ Object

Returns the value of attribute player.



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# File 'lib/gemwarrior/battle.rb', line 20

def player
  @player
end

#player_is_defending ⇒ Object

Returns the value of attribute player_is_defending.



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# File 'lib/gemwarrior/battle.rb', line 20

def player_is_defending
  @player_is_defending
end

#world ⇒ Object

Returns the value of attribute world.



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# File 'lib/gemwarrior/battle.rb', line 20

def world
  @world
end

Instance Method Details

#start(is_arena = false, is_ambush = false) ⇒ Object 



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# File 'lib/gemwarrior/battle.rb', line 32

def start(is_arena = false, is_ambush = false)
  # begin battle!
  Audio.play_synth(:battle_start)
  print_battle_header unless is_arena

  # print opponent announcement, depending on reason for battle
  if is_arena
    print '  Your opponent is now...'
    Animation.run(phrase: "#{monster.name.upcase}", speed: :slow, oneline: true)
    print "!\n"
  elsif is_ambush
    puts "  You are ambushed by #{monster.name}!".colorize(:yellow)
  else
    puts "  You decide to attack #{monster.name}!"
  end

  puts "  #{monster.name} cries out: \"#{monster.battlecry}\""

  # first strike! (unless arena or emerald)
  # shifty woman time, if emerald
  if monster.name.eql?('emerald')
    if world.shifty_to_jewel && !world.shifty_has_jeweled
      puts
      puts '  Suddenly, the Shifty Woman appears out of nowhere, and stands between you and Emerald!'
      STDIN.getc
      print '  '
      Person.new.speak('Hey, friend. Now it is time to finally get my revenge on ol\' Emer!')
      STDIN.getc
      puts '  She brandishes a now-sharpened-to-a-fine-point-and-glowing version of the Sand Jewel you gave to her and plunges it deep into Emerald\'s side, causing him to scream in agony.'
      puts
      print '  '
      Person.new.speak('THAT was for murdering my parents!')
      STDIN.getc
      puts '  She uses the hand not gripping the shiny blade to conjure up a small bolt of lightning, which she then flings directly at Emerald\'s chest.'
      puts
      print '  '
      Person.new.speak('And THAT was for stealing the ShinyThing(tm)!')
      STDIN.getc
      puts '  Emerald growls mightily, looking quite put off at the turn of events.'
      STDIN.getc
      puts '  He is not without strength, however, and pulls the weapon from his body with one hand while conjuring a fireball with his other, sending it right back at the Shifty Woman. Her glee at delivering a seemingly crushing blow is thwarted as she crumples to the floor.'
      STDIN.getc
      puts '  Both combatants are breathing heavily and groaning through their injuries. The Shifty Woman looks pretty hurt, and begins eyeing an exit from this mess.'
      STDIN.getc
      print '  '
      Person.new.speak('I may not have been able to finish you off, but my friend here will succeed where I and the land of Jool have failed. Goodbye and good luck!')
       puts '  The Shifty Woman regains her compsure just enough to limp off to a back door, disappearing.'
      STDIN.getc

      if GameOptions.data['debug_mode']
        puts
        puts '  Emerald Stats Before Altercation'
        puts "  HP   : #{monster.hp_cur}"
        puts "  DEF  : #{monster.defense}"
        puts "  A_LO : #{monster.atk_lo}"
        puts "  A_HI : #{monster.atk_hi}"
      end

      monster.hp_cur -= (monster.hp_cur * 0.3).floor
      monster.defense -= (monster.defense * 0.25).floor
      monster.atk_lo -= (monster.atk_lo * 0.2).floor
      monster.atk_hi -= (monster.atk_hi * 0.2).floor

      if GameOptions.data['debug_mode']
        puts
        puts '  Emerald Stats After Altercation'
        puts "  HP   : #{monster.hp_cur}"
        puts "  DEF  : #{monster.defense}"
        puts "  A_LO : #{monster.atk_lo}"
        puts "  A_HI : #{monster.atk_hi}"
        puts
      end

      puts '  Emerald has been wounded, but he is not done with this world yet. You approach him, wits about you, ready for battle.'
      world.shifty_has_jeweled = true
    end
  elsif monster_strikes_first?(is_arena, is_ambush)
    puts "  #{monster.name} strikes first!".colorize(:yellow)
    monster_attacks_player
  end
  
  # LV6:STONE_FACE modifier (chance to auto-win)
  # Doesn't work against bosses, nor if battle is an event or in the arena
  if player.special_abilities.include?(:stone_face) && !monster.is_boss && !is_ambush && !is_arena
    level_diff = (player.level - monster.level) * 4
    chance_range = 0..(30 + level_diff)
    roll = rand(0..100)

    if GameOptions.data['debug_mode']
      puts
      puts "  (MOD) LV6: Stone Face"
      puts "  SUCCESS_RANGE: #{chance_range}"
      puts "  SUCCESS_ROLL : #{roll}"
    end

    if chance_range.include?(roll)
      puts "  You use your STONE FACE to tell the #{monster.name} you mean business, and #{monster.name} just gives up!".colorize(:green)
      return monster_death
    end
  end

  # main battle loop
  loop do
    skip_next_monster_attack = false

    # 1. check for death to end battle
    if monster_dead?
      result = monster_death
      return result
    elsif player_dead?
      player_death
      return 'death'
    end

    # 2. print general info and display options prompt
    print_near_death_info
    print_combatants_health_info
    print_battle_options_prompt

    # 3. get player action
    self.player_is_defending = false
    player_action = STDIN.gets.chomp.downcase

    # 4. parse player action
    case player_action
    when 'fight', 'f', 'attack', 'a'
      can_attack = true

      # gun exception
      if player.has_weapon_equipped?
        if player.inventory.weapon.name.eql?('gun')
          if player.inventory.contains_item?('bullet')
            player.inventory.remove_item('bullet')
          else
            puts '  Your gun is out of bullets! Running is your best option now.'.colorize(:red)
            can_attack = false
          end
        end
      end

      if can_attack
        puts "  You attack #{monster.name}#{player.cur_weapon_name}!"
        dmg = calculate_damage(player, monster)
        if dmg > 0
          Audio.play_synth(:battle_player_attack)

          take_damage(monster, dmg)
          if monster_dead?
            result = monster_death
            return result
          end
        else
          Audio.play_synth(:battle_player_miss)

          puts '  You do no damage!'.colorize(:yellow)
        end
      end
    when 'defend', 'd'
      puts '  You dig in and defend this round.'
      self.player_is_defending = true
    when 'item', 'i'
      if player.inventory.is_empty?
        puts '  You have no items!'
        next
      elsif player.inventory.contains_battle_item?
        puts '  Which item do you want to use?'
        puts
        b_items = player.inventory.list_battle_items
        count = 0
        b_items.each do |bi|
          puts "  (#{count + 1}) #{bi.name}"
          count += 1
        end
        puts '  (x) exit'

        loop do
          print_battle_prompt
          answer = gets.chomp.downcase

          case answer
          when 'x', 'q'
            skip_next_monster_attack = true
            break
          else
            begin
              item = b_items[answer.to_i - 1]
              if item
                result = item.use(world)
                player.hp_cur += result[:data]
                player.inventory.remove_item(item.name) if item.consumable
                break
              end
            rescue
              puts '  That is not a valid item choice.'
              puts
              next
            end
          end
        end
      else
        puts '  You have no battle items!'
      end
    when 'look', 'l'
      print "  #{monster.name}".colorize(:white)
      print " (#{monster.hp_cur}/#{monster.hp_max} HP): #{monster.description}\n"
      puts "  It has some distinguishing features, too: face is #{monster.face.colorize(:yellow)}, hands are #{monster.hands.colorize(:yellow)}, and mood, currently, is #{monster.mood.colorize(:yellow)}."
      if GameOptions.data['debug_mode']
        puts '  If defeated, will receive:'
        puts "  >> XP   : #{monster.xp}"
        puts "  >> ROX  : #{monster.rox}"
        puts "  >> ITEMS: #{monster.inventory.contents}"
        next
      end
    when 'pass', 'p'
      puts '  You decide to pass your turn for some reason. Brave!'
    when 'run', 'r'
      if player_escape?(is_arena)
        monster.hp_cur = monster.hp_max
        puts "  You successfully elude #{monster.name}!".colorize(:green)
        print_escape_text
        print_battle_line
        return
      else
        puts '  You were not able to run away! :-('.colorize(:yellow)
      end
    else
      puts "  #{ERROR_ATTACK_OPTION_INVALID}"
      next
    end

    # 5. parse monster action
    monster_attacks_player unless skip_next_monster_attack
  end
end