Module: Drakkon::Images::Index

Defined in:
lib/drakkon/lib/images/index.rb

Overview

General Image Index Helper

Class Method Summary collapse

Class Method Details

.all ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 25

def self.all
  @all ||= []

  @all
end

.animation_directory?(list) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/drakkon/lib/images/index.rb', line 123

def self.animation_directory?(list)
  # Ignore Directories
  return false if list.any? { |x| File.directory? x }

  list.reject { |x| x.include? 'png' }.empty? && list.all? do |x|
    File.basename(x).split('.png', 2).first.numeric?
  end
end

.build_index ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 64

def self.build_index
  check sprites_directory
end

.catalog ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 11

def self.catalog
  # Better way to do this?
  @catalog ||= Hash.new { |hash, key| hash[key] = Hash.new(&hash.default_proc) }

  @catalog
end

.check(dir = nil) ⇒ Object

Recursively Go through



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# File 'lib/drakkon/lib/images/index.rb', line 95

def self.check(dir = nil)
  LogBot.info('Image Index', "Check: #{dir}")

  # Collect Images
  list = Dir["#{dir}/*"]

  # Ignore Empties
  return if list.empty?

  # Check if its an Animation Directory
  if animation_directory?(list)
    LogBot.info('Image Index', "Animation: #{dir}")
    process_animation(list)
    return
  end

  # Do other things
  Dir["#{dir}/*"].each do |file|
    if File.directory?(file)
      Index.check(file)
    elsif File.extname(file) == '.png'
      process(file)
    end
  end

  :done
end

.context ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 31

def self.context
  @context ||= Dir.pwd

  @context
end

.digest ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 37

def self.digest
  list = Dir["#{sprites_directory}**/*.png"]
  Digest::MD5.hexdigest(list.map { |x| Digest::MD5.file(x).hexdigest }.join)
end

.dimensions(file) ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 154

def self.dimensions(file)
  img = MiniMagick::Image.open(file)
  # data = "{ path: \"#{root}/#{file.gsub('.png', '')}\", w: #{img.width}, h: #{img.height} }"

  {
    w: img.width,
    h: img.height
  }
end

.index ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 5

def self.index
  @index ||= {}

  @index
end

.process(file = nil) ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 132

def self.process(file = nil)
  details = dimensions(file)
  details[:path] = file.gsub(sprites_directory, '')[1..].gsub('.png', '')

  # Catalog
  catalog_list = details[:path].split('/')
  catalog_location = []
  catalog_list.each do |idx|
    catalog_location.push idx
    catalog.dig(*catalog_location)
  end
  catalog.dig(*catalog_list).merge! details

  # Full Index Push
  index[details[:path]] = details

  # Just Sprites Push
  sprites[details[:path]] = details

  all.push details[:path]
end

.process_animation(list = nil) ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 164

def self.process_animation(list = nil)
  # Append all images to `all`
  list.each do |file|
    all.push file.gsub(sprites_directory, '')[1..].gsub('.png', '')
  end

  # Nab one to get data
  file = list.first
  details = dimensions(file)

  # Frames and Path
  details[:frames] = list.count
  details[:root_path] = File.dirname(file).gsub(sprites_directory, '')[1..]

  # Store via Root Path
  index[details[:root_path]] = details
end

.result ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 68

def self.result
  <<~RB
    module Drakkon
      module Images
        def self.index
          #{index.inspect}
        end

        def self.catalog
          #{catalog.inspect}
        end

        def self.sprites
          #{sprites.inspect}
        end

        def self.reset_all
          #{all.inspect}.each do |sprite|
            $gtk.reset_sprite "sprites/\#{sprite}.png"
          end
        end
      end
    end
  RB
end

.run!(force: false, dir: nil) ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 46

def self.run!(force: false, dir: nil)
  @context = dir || Dir.pwd

  # Create Directory if sprites directory is missing
  FileUtils.mkdir_p(sprites_directory)

  if Settings.config[:image_digest] == digest
    LogBot.info('Images Index', 'Nothing New')
    return unless force
  end

  build_index

  Settings.update(:image_digest, digest)

  File.write("#{context}/app/drakkon/image_index.rb", result)
end

.sprites ⇒ Object

No Animations



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# File 'lib/drakkon/lib/images/index.rb', line 19

def self.sprites
  @sprites ||= {}

  @sprites
end

.sprites_directory ⇒ Object 



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# File 'lib/drakkon/lib/images/index.rb', line 42

def self.sprites_directory
  "#{context}/sprites/"
end