Class: Musiki::Makam

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(m, up = true, down = true) ⇒ Makam

Returns a new instance of Makam.



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# File 'lib/musiki.rb', line 209

def initialize m, up = true, down = true
  GC.start
  m = m.name if m.is_a?(Note)
  m = NOTES[m][:name] if m.is_a?(Integer)
  if MAKAM.has_key?(m.tr_to_ascii.downcase.gsub(/\W/,""))
    g = MAKAM[m.tr_to_ascii.downcase.gsub(/\W/,"")]
  elsif MAKAM_ALIAS.has_key?(m.tr_to_ascii.downcase.gsub(/\W/,""))
    g = MAKAM[MAKAM_ALIAS[m.tr_to_ascii.downcase.gsub(/\W/,"")]]
  elsif g = (MAKAM.map{|i,j| j[:code] == m ? j : nil}-[nil])[0]
  elsif m.scan(/\w\d/).length > 1
    g = {:name=>"Sallama",:code=>m}
  end
  return unless g
  if up and down
    self.setup(g)
    @up = self
    @down = Makam.new(m, false, true)
  elsif up
    self.setup(g)
    @up = self
    @down = nil
  elsif down
    self.setdown(g)
    @up = nil
    @down = self
  end
end

Instance Attribute Details

#dominant ⇒ Object (readonly)

Returns the value of attribute dominant.



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# File 'lib/musiki.rb', line 207

def dominant
  @dominant
end

#interval_symbols ⇒ Object (readonly)

Returns the value of attribute interval_symbols.



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# File 'lib/musiki.rb', line 207

def interval_symbols
  @interval_symbols
end

#intervals ⇒ Object (readonly)

Returns the value of attribute intervals.



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# File 'lib/musiki.rb', line 207

def intervals
  @intervals
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/musiki.rb', line 207

def name
  @name
end

#note_names ⇒ Object (readonly)

Returns the value of attribute note_names.



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# File 'lib/musiki.rb', line 207

def note_names
  @note_names
end

#notes ⇒ Object (readonly)

Returns the value of attribute notes.



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# File 'lib/musiki.rb', line 207

def notes
  @notes
end

#subdominant ⇒ Object (readonly)

Returns the value of attribute subdominant.



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# File 'lib/musiki.rb', line 207

def subdominant
  @subdominant
end

#tonic ⇒ Object (readonly)

Returns the value of attribute tonic.



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# File 'lib/musiki.rb', line 207

def tonic
  @tonic
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/musiki.rb', line 240

def []key
  @notes[key]
end

#down ⇒ Object 



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# File 'lib/musiki.rb', line 247

def down
  @down
end

#inspect ⇒ Object 



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# File 'lib/musiki.rb', line 237

def inspect
  @name ? "#{@name} makamı".tr_capitalize : nil
end

#sample(dur = 500) ⇒ Object 



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# File 'lib/musiki.rb', line 251

def sample dur=500
  # TODO seems there's an error with the frequencies, doesn't sound right.
  puts "#{self.inspect}:" if self.up or self.down
  if self.up
    print "> "
    self.up.notes.each_with_index do |note,index|
      print "#{index == 0 ? note.name.tr_capitalize : note.name}#{index < self.notes.length - 1 ? ", " : "."}"
      `chuck --bufsize64 ../misc/makam.ck:#{Musiki::base}:#{dur}:#{note.order} 2>&1 >/dev/null`
    end
    puts
  end
  if self.down
    print "< "
    self.down.notes.each_with_index do |note,index|
      print "#{index == 0 ? note.name.tr_capitalize : note.name}#{index < self.down.notes.length - 1 ? ", " : "."}"
      `chuck --bufsize64 ../misc/makam.ck:#{Musiki::base}:#{dur}:#{note.order} 2>&1 >/dev/null`
    end
    puts
  end
end

#setdown(g) ⇒ Object 



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# File 'lib/musiki.rb', line 310

def setdown g
  @name = "inici #{g[:name]}"
  m = g[:code].scan(/\w\d/)
  n = m.index{|i| i=~/[A-Z]\w/} || 0
  n = 0
  m.map!(&:downcase)
  q = m.map {|i| MODE[i[1].to_i][i[0].to_sym] }
  @interval_symbols = q.map {|i| i[:interval].split("") }.flatten.reverse
  @intervals = @interval_symbols.map{|i| INTERVAL[i.to_sym][:value] * -1}
  @tonic = q[n][:tonic]+24
  a = NOTES.map{|i|i[:interval]}
  u = a[0..@tonic].reverse.map{|i| i * -1}
  dd = @tonic
  @notes = [dd]
  #p [0, u[0], NOTES[dd][:name]]
  #puts
  @intervals.each do |int|
    while true
      int -= u.shift
      dd -= 1
      #p [int, u[0], NOTES[dd][:name]]
      if int == 0
        break
      elsif int > 0
        dd += 1
        break
      end
    end
    #puts
    @notes << dd
  end
  @notes.map!{|i| Note.new(i)}
  @note_names = @notes.map {|i| i.name.tr_capitalize}
end

#setup(g) ⇒ Object 



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# File 'lib/musiki.rb', line 272

def setup g
  @name = g[:name]
  m = g[:code].scan(/\w\d/)
  n = m.index{|i| i=~/[A-Z]\w/} || 0
  n = 0
  m.map!(&:downcase)
  q = m.map {|i| MODE[i[1].to_i][i[0].to_sym] }
  @interval_symbols = q.map {|i| i[:interval].split("") }.flatten
  @intervals = @interval_symbols.map{|i| INTERVAL[i.to_sym][:value]}
  @tonic = q[n][:tonic]
  a = NOTES.map{|i|i[:interval]}
  u = a[@tonic..-1]
  dd = @tonic
  @notes = [dd]
  p [0, u[0], NOTES[dd][:name], NOTES[dd][:comma], dd] if Musiki.verbose?
  puts if Musiki.verbose?
  @intervals.each do |int|
    while true
      puts "\e[39m#{[int, u[0], NOTES[dd][:name], NOTES[dd][:comma], dd]}" if Musiki.verbose?
      int -= u.shift
      dd += 1
      if int == 0
        puts "\e[32m#{[int, u[0], NOTES[dd][:name], NOTES[dd][:comma], dd]}" if Musiki.verbose?
        puts if Musiki.verbose?
        break
      elsif int < 0
        dd -= 1
        puts "\e[31m#{[int, u[0], "< #{NOTES[dd][:name]}", NOTES[dd][:comma], dd]}" if Musiki.verbose?
        puts if Musiki.verbose?
        break
      end
    end
    @notes << dd
  end
  @notes.map!{|i| Note.new(i, @notes[0])}
  @note_names = @notes.map {|i| i.name.tr_capitalize}
end

#up ⇒ Object 



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# File 'lib/musiki.rb', line 243

def up
  @up
end