commando-lightbox

#!/usr/bin/env ruby
require_relative 'commando-helpers.rb'

require 'yaml'

program :description, 'Renders LightBox projects to a frame sequence.'
program :version, '1.0.0'

def filename(id, prefix='', suffix='')
  "#{prefix}#{sprintf "%05d", id}#{suffix}"
end

command :loop do |c|
  c.description = 'Sorts bitmaps in <project> and moves & renames them to <output>'
  c.option '--project DIR', String, 'LightBox project folder (the .lightbox directory)'
  c.option '--output DIR', String, 'Output directory'
  c.action do |args, options|
    options.default \
      project: "./",
      output: "./output"

    options.project = File.expand_path(options.project)
    options.output = File.expand_path(options.output)

    command_header(c, options)

    if ! File.directory?(options.project)
      crash "Project directory '#{options.project}' does not exist"
    end

    art_file = File.expand_path "#{options.project}/*.art"
    art_file = Dir.glob(art_file)[0]

    if ! File.exists?(art_file)
      crash "Project directory '#{options.project}' does not seem to have an .art file..."
    end

    art_file = YAML.load_file art_file

    if File.directory?("#{options.project}/bitmaps")
      notice "Using ./bitmaps sub-directory within '#{options.project}'..."
      options.project = "#{options.project}/bitmaps"
    end

    if ! File.directory?(options.output)
      warning "Output directory '#{options.output}' does not exist, creating it..."
      Dir.mkdir(options.output)
    end

    i = 0
    art_file["frames"].each do |frame|
      from = "#{options.project}/#{frame['drawingId']}.png"
      to = "#{options.output}/#{filename frame['frameIndex']}.png"

      next unless File.exists?(from)

      FileUtils.cp from, to
      i += 1
    end

    if i > 0
      success "Moved and renamed #{i} frames to #{options.output}"
    else
      warning "Didn't move any files in #{options.project}..."
    end
  end
end
default_command :loop