Class: CyberarmEngine::Text

Inherits:
Object
  • Object
show all
Defined in:
lib/cyberarm_engine/text.rb

Constant Summary collapse

CACHE = 
{}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(text, options = {}) ⇒ Text

Returns a new instance of Text.



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# File 'lib/cyberarm_engine/text.rb', line 10

def initialize(text, options = {})
  @text = text.to_s || ""
  @options = options
  @size = options[:size] || 18
  @font = options[:font] || Gosu.default_font_name
  @x = options[:x] || 0
  @y = options[:y] || 0
  @z = options[:z] || 1025
  @factor_x = options[:factor_x]  || 1
  @factor_y = options[:factor_y]  || 1
  if options[:color]
    @color = options[:color].is_a?(Gosu::Color) ? options[:color] : Gosu::Color.new(options[:color])
  else
    @color = Gosu::Color::WHITE
  end
  @mode      = options[:mode]      || :default
  @alignment = options[:alignment] || nil

  @border   = options[:border]
  @border   = true if options[:border].nil?
  @border_size = options[:border_size] || 1
  @border_alpha = options[:border_alpha] || 30
  @border_color = options[:border_color] || Gosu::Color::BLACK

  @shadow = options[:shadow]
  @shadow_size = options[:shadow_size] || 2
  @shadow_alpha = options[:shadow_alpha] || 30
  @shadow_color = options[:shadow_color] || Gosu::Color::BLACK

  @static = options[:static] || (options[:static].nil? || options[:static] == false ? false : true)

  @textobject = check_cache(@size, @font)

  if @alignment
    case @alignment
    when :left
      @x = 0 + BUTTON_PADDING
    when :center
      @x = (CyberarmEngine::Window.instance.width / 2) - (@textobject.text_width(@text) / 2)
    when :right
      @x = CyberarmEngine::Window.instance.width - BUTTON_PADDING - @textobject.text_width(@text)
    end
  end
end

Instance Attribute Details

#border ⇒ Object

Returns the value of attribute border.



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# File 'lib/cyberarm_engine/text.rb', line 6

def border
  @border
end

#border_alpha ⇒ Object

Returns the value of attribute border_alpha.



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# File 'lib/cyberarm_engine/text.rb', line 6

def border_alpha
  @border_alpha
end

#border_color ⇒ Object

Returns the value of attribute border_color.



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# File 'lib/cyberarm_engine/text.rb', line 6

def border_color
  @border_color
end

#border_size ⇒ Object

Returns the value of attribute border_size.



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# File 'lib/cyberarm_engine/text.rb', line 6

def border_size
  @border_size
end

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/cyberarm_engine/text.rb', line 6

def color
  @color
end

#factor_x ⇒ Object

Returns the value of attribute factor_x.



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# File 'lib/cyberarm_engine/text.rb', line 6

def factor_x
  @factor_x
end

#factor_y ⇒ Object

Returns the value of attribute factor_y.



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# File 'lib/cyberarm_engine/text.rb', line 6

def factor_y
  @factor_y
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/cyberarm_engine/text.rb', line 5

def options
  @options
end

#shadow ⇒ Object (readonly)

Returns the value of attribute shadow.



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# File 'lib/cyberarm_engine/text.rb', line 6

def shadow
  @shadow
end

#shadow_alpha ⇒ Object (readonly)

Returns the value of attribute shadow_alpha.



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# File 'lib/cyberarm_engine/text.rb', line 6

def shadow_alpha
  @shadow_alpha
end

#shadow_color ⇒ Object (readonly)

Returns the value of attribute shadow_color.



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# File 'lib/cyberarm_engine/text.rb', line 6

def shadow_color
  @shadow_color
end

#shadow_size ⇒ Object (readonly)

Returns the value of attribute shadow_size.



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# File 'lib/cyberarm_engine/text.rb', line 6

def shadow_size
  @shadow_size
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/cyberarm_engine/text.rb', line 5

def size
  @size
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/cyberarm_engine/text.rb', line 6

def text
  @text
end

#textobject ⇒ Object (readonly)

Returns the value of attribute textobject.



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# File 'lib/cyberarm_engine/text.rb', line 6

def textobject
  @textobject
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/cyberarm_engine/text.rb', line 5

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/cyberarm_engine/text.rb', line 5

def y
  @y
end

#z ⇒ Object

Returns the value of attribute z.



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# File 'lib/cyberarm_engine/text.rb', line 5

def z
  @z
end

Instance Method Details

#alpha ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 247

def alpha
  @color.alpha
end

#alpha=(n) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 243

def alpha=(n)
  @color = Gosu::Color.rgba(@color.red, @color.green, @color.blue, n)
end

#check_cache(size, font_name) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 55

def check_cache(size, font_name)
  available = false
  font      = nil

  if CACHE[size]
    if CACHE[size][font_name]
      font = CACHE[size][font_name]
      available = true
    else
      available = false
    end
  else
    available = false
  end

  unless available
    font = Gosu::Font.new(@size, name: @font)
    CACHE[@size] = {} unless CACHE[@size].is_a?(Hash)
    CACHE[@size][@font] = font
  end

  font
end

#draw(method = :draw_markup) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 174

def draw(method = :draw_markup)
  if @static
    if @border && !@cached_text_border_image
      _x = @border_size
      _y = @border_size
      _width = method == :draw_markup ? text_width : markup_width
      img = Gosu::Image.send(:"from_#{method.to_s.split("_").last}", @text, @size, font: @font)

      @cached_text_border_image = Gosu.render((_width + (@border_size * 2)).ceil, (height + (@border_size * 2)).ceil) do
        img.draw(-_x, 0, @z, @factor_x, @factor_y, @border_color, @mode)
        img.draw(-_x, -_y, @z, @factor_x, @factor_y, @border_color, @mode)

        img.draw(0, -_y, @z, @factor_x, @factor_y, @border_color, @mode)
        img.draw(_x, -_y, @z, @factor_x, @factor_y, @border_color, @mode)

        img.draw(_x, 0, @z, @factor_x, @factor_y, @border_color, @mode)
        img.draw(_x, _y, @z, @factor_x, @factor_y, @border_color, @mode)

        img.draw(0, _y, @z, @factor_x, @factor_y, @border_color, @mode)
        img.draw(-_x, _y, @z, @factor_x, @factor_y, @border_color, @mode)
      end
    end

    @cached_text_shadow_image ||= Gosu::Image.send(:"from_#{method.to_s.split("_").last}", @text, @size, font: @font) if @shadow

    @gosu_cached_text_image ||= Gosu::Image.send(:"from_#{method.to_s.split("_").last}", @text, @size, font: @font)

    @cached_text_border_image.draw(@x, @y, @z, @factor_x, @factor_y, @border_color, @mode) if @border

    @cached_text_shadow_image.draw(@x + @shadow_size, @y + @shadow_size, @z, @factor_x, @factor_y, @shadow_color, @mode) if @shadow

    @gosu_cached_text_image.draw(@x, @y, @z, @factor_x, @factor_y, @color, @mode)
  else
    if @border && !ARGV.join.include?("--no-border")
      border_alpha = @color.alpha <= 30 ? @color.alpha : @border_alpha
      border_color = @border_color || Gosu::Color.rgba(@color.red, @color.green, @color.blue,
                                                      border_alpha)
      white = Gosu::Color::WHITE

      _x = @border_size
      _y = @border_size
      _width = method == :draw_markup ? text_width : markup_width

      @cached_text_border_image ||= Gosu.render((_width + (border_size * 2)).ceil, (height + (@border_size * 2)).ceil) do
        @textobject.send(method, @text, _x - @border_size, _y, @z, @factor_x, @factor_y, white, @mode)
        @textobject.send(method, @text, _x - @border_size, _y - @border_size, @z, @factor_x, @factor_y, white, @mode)

        @textobject.send(method, @text, _x, _y - @border_size, @z, @factor_x, @factor_y, white, @mode)
        @textobject.send(method, @text, _x + @border_size, _y - @border_size, @z, @factor_x, @factor_y, white, @mode)

        @textobject.send(method, @text, _x, _y + @border_size, @z, @factor_x, @factor_y, white, @mode)
        @textobject.send(method, @text, _x - @border_size, _y + @border_size, @z, @factor_x, @factor_y, white, @mode)

        @textobject.send(method, @text, _x + @border_size, _y, @z, @factor_x, @factor_y, white, @mode)
        @textobject.send(method, @text, _x + @border_size, _y + @border_size, @z, @factor_x, @factor_y, white, @mode)
      end

      @cached_text_border_image.draw(@x - @border_size, @y - @border_size, @z, @factor_x, @factor_y, border_color)
    end

    if @shadow
      shadow_color = @shadow_color || Gosu::Color.rgba(@color.red, @color.green, @color.blue, @shadow_alpha)
      @textobject.send(method, @text, @x + @shadow_size, @y + @shadow_size, @z, @factor_x, @factor_y, shadow_color, @mode)
    end

    @textobject.send(method, @text, @x, @y, @z, @factor_x, @factor_y, @color, @mode)
  end
end

#height(text = @text) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 166

def height(text = @text)
  if text.lines.count > 0
    text.lines.count * textobject.height + @border_size + @shadow_size
  else
    @textobject.height + @border_size + @shadow_size
  end
end

#invalidate_cache! ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 254

def invalidate_cache!
  @cached_text_border_image = nil
  @cached_text_shadow_image = nil
  @gosu_cached_text_image = nil
end

#markup_width(text = @text) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 152

def markup_width(text = @text)
  text = text.to_s

  spacing = 0
  spacing += @border_size if @border
  spacing += @shadow_size if @shadow

  if text == @text && @static && @gosu_cached_text_image
    @gosu_cached_text_image&.width + spacing
  else
    textobject.markup_width(text) + spacing
  end
end

#swap_font(size, font_name = @font) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 79

def swap_font(size, font_name = @font)
  if @size != size || @font != font_name
    @size = size
    @font = font_name

    invalidate_cache!
    @textobject = check_cache(size, font_name)
  end
end

#text_width(text = @text) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 140

def text_width(text = @text)
  spacing = 0
  spacing += @border_size if @border
  spacing += @shadow_size if @shadow

  if text == @text && @static && @gosu_cached_text_image
    @gosu_cached_text_image&.width + spacing
  else
    textobject.text_width(text) + spacing
  end
end

#update ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 251

def update
end

#width(text = @text) ⇒ Object 



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# File 'lib/cyberarm_engine/text.rb', line 136

def width(text = @text)
  markup_width(text)
end