Class: Hengband::Item

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/hengband/item.rb

Constant Summary collapse

RE_HEADER = 
/\w\) /
RE_NUMBER = 
/\d+([本巻服冊着振足枚つ個]|切れ)の /
RE_NAME = 
/(?<name>.+?) ?/
RE_BOW = 
/\(x(?<bow_pow>\d+)\) ?/
RE_DICE = 
/\((?<dice_num>\d+)d(?<dice_val>\d+)\) ?/
RE_OFFENSE = 
/\((?<off_acc>[+-]\d+)(,(?<off_dam>[+-]\d+))?\) ?/
RE_DEFENSE = 
/\[((?<def_base>\d+),)?(?<def_plus>[+-]\d+)\] ?/
RE_PVAL = 
/\((?<pval>[+-]\d+).*?\) ?/
RE_FLAGS = 
/\{(?<flags>.*?)\}/
UNIDENTIFIED = 
/\{特別製|高級品|上質|並\}/
REXP_ITEM = 
/#{RE_HEADER}#{RE_NUMBER}?#{RE_NAME
}#{RE_BOW}?#{RE_DICE}?#{RE_OFFENSE}?#{RE_DEFENSE}?#{RE_PVAL}?#{RE_FLAGS}?$/
TYPES = 
[:weapon, :shield, :bow, :ring, :neck, :light,
:armor, :cloak, :head, :hands, :feet, :other]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(line) ⇒ Item

Returns a new instance of Item.



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# File 'lib/hengband/item.rb', line 41

def initialize(line)
  @line = line.chomp
  REXP_ITEM.match(@line) do |m|
    @name = m[:name]
    @bow_pow  = m[:bow_pow]  && m[:bow_pow].to_i
    @dice_num = m[:dice_num] && m[:dice_num].to_i
    @dice_val = m[:dice_val] && m[:dice_val].to_i
    @off_acc  = m[:off_acc]  && m[:off_acc].to_i
    @off_dam  = m[:off_dam]  && m[:off_dam].to_i
    @def_base = m[:def_base] && m[:def_base].to_i
    @def_plus = m[:def_plus] && m[:def_plus].to_i
    @pval     = m[:pval]     && m[:pval].to_i
    @flags = parse_flags(m[:flags])
    @type = guess_type(@name)
  end
end

Instance Attribute Details

#bow_pow ⇒ Object (readonly)

Returns the value of attribute bow_pow.



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# File 'lib/hengband/item.rb', line 58

def bow_pow
  @bow_pow
end

#def_base ⇒ Object (readonly)

Returns the value of attribute def_base.



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# File 'lib/hengband/item.rb', line 58

def def_base
  @def_base
end

#def_plus ⇒ Object (readonly)

Returns the value of attribute def_plus.



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# File 'lib/hengband/item.rb', line 58

def def_plus
  @def_plus
end

#dice_num ⇒ Object (readonly)

Returns the value of attribute dice_num.



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# File 'lib/hengband/item.rb', line 58

def dice_num
  @dice_num
end

#dice_val ⇒ Object (readonly)

Returns the value of attribute dice_val.



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# File 'lib/hengband/item.rb', line 58

def dice_val
  @dice_val
end

#flags ⇒ Object (readonly)

Returns the value of attribute flags.



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# File 'lib/hengband/item.rb', line 57

def flags
  @flags
end

#line ⇒ Object (readonly)

Returns the value of attribute line.



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# File 'lib/hengband/item.rb', line 57

def line
  @line
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/hengband/item.rb', line 57

def name
  @name
end

#off_acc ⇒ Object (readonly)

Returns the value of attribute off_acc.



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# File 'lib/hengband/item.rb', line 58

def off_acc
  @off_acc
end

#off_dam ⇒ Object (readonly)

Returns the value of attribute off_dam.



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# File 'lib/hengband/item.rb', line 58

def off_dam
  @off_dam
end

#pval ⇒ Object (readonly)

Returns the value of attribute pval.



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# File 'lib/hengband/item.rb', line 58

def pval
  @pval
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/hengband/item.rb', line 57

def type
  @type
end

Class Method Details

.parse_file(path) ⇒ Object 



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# File 'lib/hengband/item.rb', line 21

def self.parse_file(path)
  in_list = false
  File.open(path, "r:euc-jp:utf-8"){|f| f.read}.lines.map{|line|
    case line
    when /\[キャラクタの装備\]/
      in_list = true
      nil
    when UNIDENTIFIED
      nil
    when REXP_ITEM
      Item.new(line) if in_list
    when /\[博物館のアイテム\]/
      in_list = false
      nil
    else
      #$stderr.puts line.encode("utf-8")
    end
  }.compact
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/hengband/item.rb', line 82

def <=>(other)
  if @type != other.type
    TYPES.index(@type).to_i - TYPES.index(other.type).to_i
  else
    case 
    when defence?
      other.defence - self.defence
    when @type == :weapon
      other.damage - self.damage
    else
      0
    end
  end
end

#damage ⇒ Object 



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# File 'lib/hengband/item.rb', line 72

def damage
  @dice_num and (@dice_num * (@dice_val/2.0) + @off_dam)
end

#defence ⇒ Object 



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# File 'lib/hengband/item.rb', line 64

def defence
  @def_plus and (@def_base + @def_plus)
end

#defence? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hengband/item.rb', line 68

def defence?
  [:shield, :armor, :cloak, :head, :hands, :feet].include? @type
end

#to_s ⇒ Object 



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# File 'lib/hengband/item.rb', line 76

def to_s
  [ @name, " ",
     ("{r#{flags[:res].join}}" unless flags[:res].empty?),
  ].join
end