Class: Mjai::Hora

Inherits:
Object
  • Object
show all
Extended by:
Forwardable, WithFields
Defined in:
lib/mjai/hora.rb

Defined Under Namespace

Classes: Candidate, Mentsu, PointsDatum

Constant Summary collapse

FURO_TYPE_TO_MENTSU_TYPE = 
{
  :chi => :shuntsu,
  :pon => :kotsu,
  :daiminkan => :kantsu,
  :kakan => :kantsu,
  :ankan => :kantsu,
}
BASE_FU_MAP = 
{
  :shuntsu => 0,
  :kotsu => 2,
  :kantsu => 8,
}
GREEN_PAIS = 
Set.new(Pai.parse_pais("23468sF"))
CHURENPOTON_NUMBERS = 
[1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 9]
YAKUMAN_FAN = 
100

Instance Attribute Summary collapse

Attributes included from WithFields

#field_names

Instance Method Summary collapse

Methods included from WithFields

define_fields

Constructor Details

#initialize(params) ⇒ Hora

Returns a new instance of Hora.



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# File 'lib/mjai/hora.rb', line 493

def initialize(params)
  
  @fields = params
  raise("tehais is missing") if !self.tehais
  raise("taken is missing") if !self.taken
  
  @free_pais = self.tehais + [self.taken]
  @all_pais = @free_pais + self.furos.map(){ |f| f.pais }.flatten()
  
  @num_doras = count_doras(self.doras)
  @num_uradoras = count_doras(self.uradoras)
  @num_akadoras = @all_pais.select(){ |pai| pai.red? }.size
  
  num_same_as_taken = @free_pais.select(){ |pai| pai.same_symbol?(self.taken) }.size
  @shanten = ShantenAnalysis.new(@free_pais, -1)
  raise("not hora") if @shanten.shanten > -1
  unflatten_cands = @shanten.combinations.map() do |c|
    (0...num_same_as_taken).map(){ |i| Candidate.new(self, c, i) }
  end
  @candidates = unflatten_cands.flatten()
  @best_candidate = @candidates.max_by(){ |c| c.points }
  
end

Instance Attribute Details

#all_pais ⇒ Object (readonly)

Returns the value of attribute all_pais.



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# File 'lib/mjai/hora.rb', line 517

def all_pais
  @all_pais
end

#free_pais ⇒ Object (readonly)

Returns the value of attribute free_pais.



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# File 'lib/mjai/hora.rb', line 517

def free_pais
  @free_pais
end

#num_akadoras ⇒ Object (readonly)

Returns the value of attribute num_akadoras.



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# File 'lib/mjai/hora.rb', line 517

def num_akadoras
  @num_akadoras
end

#num_doras ⇒ Object (readonly)

Returns the value of attribute num_doras.



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# File 'lib/mjai/hora.rb', line 517

def num_doras
  @num_doras
end

#num_uradoras ⇒ Object (readonly)

Returns the value of attribute num_uradoras.



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# File 'lib/mjai/hora.rb', line 517

def num_uradoras
  @num_uradoras
end

Instance Method Details

#count_doras(target_doras) ⇒ Object 



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# File 'lib/mjai/hora.rb', line 521

def count_doras(target_doras)
  return @all_pais.map(){ |pai| target_doras.select(){ |d| d.same_symbol?(pai) }.size }.
      inject(0, :+)
end