Class: AuthorEngine::SaveFile

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

Defined Under Namespace

Classes: SpriteSheetData

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ SaveFile

Returns a new instance of SaveFile.



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# File 'lib/author_engine/save_file.rb', line 20

def initialize(file)
  @file = file
  @buffer = ""
  @mode = :compact # or :inflated

  @code, @sprites, @levels = nil, nil, nil

  load unless RUBY_ENGINE == "opal"
end

Instance Attribute Details

#code ⇒ Object (readonly)

Returns the value of attribute code.



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# File 'lib/author_engine/save_file.rb', line 19

def code
  @code
end

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/author_engine/save_file.rb', line 18

def file
  @file
end

#levels ⇒ Object (readonly)

Returns the value of attribute levels.



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# File 'lib/author_engine/save_file.rb', line 19

def levels
  @levels
end

#mode ⇒ Object (readonly)

Returns the value of attribute mode.



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# File 'lib/author_engine/save_file.rb', line 18

def mode
  @mode
end

#sprites ⇒ Object (readonly)

Returns the value of attribute sprites.



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# File 'lib/author_engine/save_file.rb', line 19

def sprites
  @sprites
end

Class Method Details

.create(file) ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 5

def self.create(file)
  if File.exists?(file)
    return false
  else
    File.open(file, "w") {|f| f.write ""}
    if File.exists?(file)
      return true
    else
      return false
    end
  end
end

Instance Method Details

#identify_mode(string) ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 132

def identify_mode(string)
  if RUBY_ENGINE != "opal" && string.lines.size > 0 && string.lines.first.include?("# inflated")
    @mode = :inflated
  else
    @mode = :compact
  end
end

#inflate! ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 44

def inflate!
  load
  @mode = :inflated
  save_code(@code)
  save_spritesheet(Gosu::Image.new(@sprites, retro: true))

  file = File.read(@file)
  unless file.lines.first.include?("# inflated")
    File.open(@file, "w") do |f|
      f.write "# inflated\n"
      f.write file
    end
  end

end

#inflated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/author_engine/save_file.rb', line 60

def inflated?
  @mode == :inflated
end

#load(from_file = true, data = nil) ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 117

def load(from_file = true, data = nil)
  string = ""
  if from_file
    File.open(@file, "r") {|f| string = f.read}
  else
    string = data
  end

  identify_mode(string)

  load_code(string)
  load_spritesheet(string)
  load_levels(string)
end

#load_code(string) ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 140

def load_code(string)
  buffer = ""
  in_code= false
  string.each_line do |line|
    if line.start_with?("___CODE___")
      if line.strip.include?("?") && inflated?
        # load from file
        puts "Loading code from: #{line.strip.split("?").last}"
        buffer = File.read(line.strip.split("?").last)
        break
      end
      in_code = true
      next
    end
    if line.start_with?("___") && in_code
      break
    end

    buffer+="#{line}" if in_code
  end

  @code = buffer
end

#load_levels(string) ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 214

def load_levels(string)
  levels   = []
  in_level = false

  string.each_line do |line|
    if line.start_with?("___LEVELS___")
      # if line.strip.start_with?("__LEVELS___?")
      #   # load from file
      #   puts "Loading level data from: #{line.strip.split("?").last}"

      #   break
      # end
      in_level = true
      next
    end
    if line.start_with?("___") && in_level
      break
    end

    if in_level
      level = []
      # 0 - Sprite, 1 - X, 2 - Y, 3 - Z
      line.strip.split(",").each_slice(4) do |sprite|
        level << Sprite.new(Integer(sprite[0]), Integer(sprite[1]), Integer(sprite[2]), Integer(sprite[3]))
      end
      levels << level
    end
  end

  @levels = levels
end

#load_spritesheet(string) ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 164

def load_spritesheet(string)
  buffer = ""
  width  = 0
  height = 0
  in_sprites = false

  string.each_line do |line|
    if line.strip.start_with?("___SPRITES___")
      if line.strip.include?("?") && inflated?
        # load from file
        puts "Loading spritesheet from: #{line.strip.split("?").last}"
        image  = Gosu::Image.new(line.strip.split("?").last, retro: true)
        buffer = image.to_blob
        width, height = image.width, image.height
        break
      end
      in_sprites = true
      next
    end
    if line.start_with?("___") && in_sprites
      break
    end

    next unless in_sprites

    if line.include?("x")
      a = line.strip.split("x")
      width = a.first.to_i
      height = a.last.to_i
      next
    end


    buffer += line.strip
  end

  stream = nil
  if RUBY_ENGINE != "opal"
    if inflated?
      stream = buffer
    else
      stream = buffer.scan(/../).map { |x| x.hex }.pack('c*')
    end
  else
    stream = buffer.scan(/../).map { |x| Integer(x.hex) }
  end

  @sprites = SpriteSheetData.new(width, height, stream)
end

#project_name ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 64

def project_name
  File.basename(@file, ".authorengine")
end

#project_path ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 68

def project_path
  File.expand_path(@file).sub(File.basename(@file), "")
end

#save ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 30

def save
  @buffer = "# inflated\n" if inflated?
  save_code
  save_spritesheet
  save_levels

  File.open(@file, "w") do |f|
    f.write @buffer
  end

  @buffer = ""
  puts "Saved #{file}"
end

#save_code(code = CodeEditor.instance.code) ⇒ Object

code is a String



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# File 'lib/author_engine/save_file.rb', line 73

def save_code(code = CodeEditor.instance.code)
  if inflated?
    @buffer+= "___CODE___?#{project_path}#{project_name}.rb\n"
    File.write("#{project_path}#{project_name}.rb", code)
    puts "Saved code to #{project_path}#{project_name}.rb"
  else
    @buffer+= "___CODE___\n"
  end
  @buffer+= code
  # @buffer+="\n" # CodeEditor always has this newline
end

#save_levels ⇒ Object 



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# File 'lib/author_engine/save_file.rb', line 109

def save_levels
  @buffer+= "___LEVELS___\n"
  LevelEditor.instance.levels.each do |level|
    @buffer+= "#{level.map {|s| "#{s.sprite},#{s.x},#{s.y},#{s.z}"}.join(",")}\n"
  end
  @buffer.strip # Level is the last element saved
end

#save_spritesheet(sheet = SpriteEditor.instance.spritesheet) ⇒ Object

sheet is a Gosu::Image



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# File 'lib/author_engine/save_file.rb', line 86

def save_spritesheet(sheet = SpriteEditor.instance.spritesheet)

  if inflated?
    @buffer+= "___SPRITES___?#{project_path}#{project_name}.png\n"
    sheet.save("#{project_path}#{project_name}.png")
    puts "Saved spritesheet to #{project_path}#{project_name}.png"
  else
    @buffer+= "___SPRITES___\n"
  end

  @buffer+="#{sheet.width}x#{sheet.height}"
  @buffer+="\n"

  pack = sheet.to_blob.unpack('H*').first
  # @buffer+= pack
  pack.chars.each_slice(1024) do |slice|
    @buffer+=slice.join
    @buffer+="\n"
  end

  @buffer+="\n"
end