macho.rb

#!/usr/bin/env ruby
require 'fileutils'

SRC           = 'infected'
DEST_DIR      = 'MachoMadness/sfx/npc'
MONSTER_TYPES = %w(quadruped smallbiped)
SOUND_TYPES   = %w(attack1 attack2 death idle1 idle2 pain1 pain2 turnhostile)

monster_names = []
sounds_per_type = {}

SOUND_TYPES.each do |type|
  sounds_per_type[type] ||= []
  Dir.glob("sound_types/#{type}/*.wav") do |filename|
    sounds_per_type[type] << filename
  end
end

counts_per_type = SOUND_TYPES.inject({}) do |accum, type|
  accum[type] = 0
  accum
end

MONSTER_TYPES.each do |monster_type|
  Dir.glob("#{DEST_DIR}/#{monster_type}/*.wav") do |filename|
    file_name = File.basename filename
    matches = /(\w+)_(\w+)\.wav\Z/.match(file_name)
    monster_name = matches[1]
    monster = {name: monster_name, type: monster_type}
    
    monster_names << monster unless monster_names.include?(monster)
  end
end

monster_names.each do |monster|
  SOUND_TYPES.each do |sound_type|

    sound_type_length = sounds_per_type[sound_type].length
    src_file = sounds_per_type[sound_type][counts_per_type[sound_type] % sound_type_length]

    monster_name = monster[:name]
    monster_type = monster[:type]

    dest_file = "#{DEST_DIR}/#{monster_type}/#{monster_name}_#{sound_type}.wav"

    puts "copy #{src_file} -> #{dest_file}"
    FileUtils.cp src_file, dest_file 
    counts_per_type[sound_type] += 1
  end
end