Class: SpriteKit::SpritesheetLoader

Inherits:
Object
  • Object
show all
Defined in:
mygame/lib/sprite_kit/spritesheet_loader.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SpritesheetLoader

Returns a new instance of SpritesheetLoader.



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# File 'mygame/lib/sprite_kit/spritesheet_loader.rb', line 3

def initialize
  @loadable_extensions = [
    "jpeg",
    "jpg",
    "png"
  ]
end

Instance Method Details

#load_directory(directory, parent_node: nil, spritesheets: {}) ⇒ Object 



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# File 'mygame/lib/sprite_kit/spritesheet_loader.rb', line 11

def load_directory(directory, parent_node: nil, spritesheets: {})
  return [] if directory.to_s == ""

  # Create root node if none provided
  root_node = Node.new(parent: nil, value: { type: :directory, path: directory })
  parent_node ||= root_node

  GTK.list_files(directory).each do |file|
    stat = GTK.stat_file(File.join(directory, file))
    next if !stat

    if stat[:file_type] == :directory
      # Create a directory node and recurse
      dir_node = Node.new(parent: parent_node, value: { type: :directory, path: stat[:path] })
      parent_node.children << dir_node
      load_directory(stat[:path], parent_node: dir_node, spritesheets: spritesheets)
    end

    extension = file.split(".").last
    if @loadable_extensions.include?(extension)
      loaded = load_file(path: stat[:path])
      spritesheets[stat[:path]] = loaded

      # Create a leaf node for this spritesheet
      file_node = Node.new(parent: parent_node, value: loaded.merge(type: :file))
      parent_node.children << file_node
    end
  end

  {
    tree: Tree.new(root_node: root_node),
    spritesheets: spritesheets
  }
end

#load_file(path:, name: nil) ⇒ Object

Parameters:

  • name (String) (defaults to: nil) —
    • The name of the tilesheet
  • path (String) —
    • The file path of the tilesheet


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# File 'mygame/lib/sprite_kit/spritesheet_loader.rb', line 48

def load_file(path:, name: nil)
  file_width, file_height = GTK.calcspritebox(path)

  {
    name: name,
    path: path,
    file_width: file_width,
    file_height: file_height,
    w: file_width,
    h: file_height,
  }
end