Class: CyberarmEngine::Console

Inherits:
Object
  • Object
show all
Includes:
Common
Defined in:
lib/cyberarm_engine/console.rb,
lib/cyberarm_engine/console/command.rb,
lib/cyberarm_engine/console/subcommand.rb,
lib/cyberarm_engine/console/commands/help_command.rb

Defined Under Namespace

Modules: Style Classes: Command, HelpCommand

Constant Summary collapse

Z = 
100_000
PADDING = 
2

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Common

#alt_down?, #control_down?, #current_state, #darken, #draw_rect, #fill, #find_element_by_tag, #get_asset, #get_image, #get_sample, #get_song, #lighten, #opacity, #pop_state, #previous_state, #push_state, #shift_down?, #shift_state, #show_cursor, #show_cursor=, #window

Constructor Details

#initialize(font: Gosu.default_font_name) ⇒ Console

Returns a new instance of Console.



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# File 'lib/cyberarm_engine/console.rb', line 11

def initialize(font: Gosu.default_font_name)
  @text_input = Gosu::TextInput.new
  @width  = window.width  / 4 * 3
  @height = window.height / 4 * 3

  @input = Text.new("", x: 4, y: @height - (PADDING * 2), z: Console::Z + 1, font: font)
  @input.y -= @input.height

  @history = Text.new("", x: 4, z: Console::Z + 1, font: font, border: true, border_color: Gosu::Color::BLACK)
  update_history_y

  @command_history       = []
  @command_history_index = 0

  @memory = ""

  @background_color = Gosu::Color.rgba(0, 0, 0, 200)
  @foreground_color = Gosu::Color.rgba(100, 100, 100, 100)
  @input_color      = Gosu::Color.rgba(100, 100, 100, 200)

  @showing_cursor = false
  @active_text_input = nil

  @show_caret = true
  @caret_last_change = Gosu.milliseconds
  @caret_interval = 250
  @caret_color = Gosu::Color::WHITE
  @selection_color = Gosu::Color.new(0x5522ff22)
end

Instance Attribute Details

#text_input ⇒ Object (readonly)

Returns the value of attribute text_input.



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# File 'lib/cyberarm_engine/console.rb', line 9

def text_input
  @text_input
end

Instance Method Details

#abbrev_search(array, text) ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 214

def abbrev_search(array, text)
  return [] unless text.length.positive?

  list = []
  Abbrev.abbrev(array).each do |abbrev, value|
    next unless abbrev&.start_with?(text)

    list << value
  end

  list.uniq
end

#blur ⇒ Object 



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

def blur
  window.text_input  = @active_text_input
  window.needs_cursor = @showing_cursor
end

#button_down(id) ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 104

def button_down(id)
  case id
  when Gosu::KB_ENTER, Gosu::KB_RETURN
    return unless @text_input.text.length.positive?

    @history.text += "\n<c=999999>> #{@text_input.text}</c>"
    @command_history << @text_input.text
    @command_history_index = @command_history.size
    update_history_y
    handle_command
    @text_input.text = ""

  when Gosu::KB_UP
    @command_history_index -= 1
    @command_history_index = 0 if @command_history_index.negative?
    @text_input.text = @command_history[@command_history_index]

  when Gosu::KB_DOWN
    @command_history_index += 1
    if @command_history_index > @command_history.size - 1
      @text_input.text = "" unless @command_history_index > @command_history.size
      @command_history_index = @command_history.size
    else
      @text_input.text = @command_history[@command_history_index]
    end

  when Gosu::KB_TAB
    split = @text_input.text.split(" ")

    if !@text_input.text.end_with?(" ") && split.size == 1
      list = abbrev_search(Console::Command.list_commands.map { |cmd| cmd.command.to_s }, @text_input.text)

      if list.size == 1
        @text_input.text = "#{list.first} "
      elsif list.size.positive?
        stdin("\n#{list.map { |cmd| Console::Style.highlight(cmd) }.join(', ')}")
      end
    elsif split.size.positive? && cmd = Console::Command.find(split.first)
      cmd.autocomplete(self)
    end

  when Gosu::KB_BACKTICK
    # Remove backtick character from input
    @text_input.text = if @text_input.text.size > 1
                         @text_input.text[0..@text_input.text.size - 2]
                       else
                         ""
                       end

  # Copy
  when Gosu::KB_C
    if control_down? && shift_down?
      @memory = @text_input.text[caret_start..caret_end - 1] if caret_start != caret_end
      p @memory
    elsif control_down?
      @text_input.text = ""
    end

  # Paste
  when Gosu::KB_V
    if control_down? && shift_down?
      string = @text_input.text.chars.insert(caret_pos, @memory).join
      _caret_pos = caret_pos
      @text_input.text = string
      @text_input.caret_pos = _caret_pos + @memory.length
      @text_input.selection_start = _caret_pos + @memory.length
    end

  # Cut
  when Gosu::KB_X
    if control_down? && shift_down?
      @memory = @text_input.text[caret_start..caret_end - 1] if caret_start != caret_end
      string  = @text_input.text.chars
      Array(caret_start..caret_end - 1).each_with_index do |i, j|
        string.delete_at(i - j)
      end

      @text_input.text = string.join
    end

  # Delete word to left of caret
  when Gosu::KB_W
    if control_down?
      split = @text_input.text.split(" ")
      split.delete(split.last)
      @text_input.text = split.join(" ")
    end

  # Clear history
  when Gosu::KB_L
    @history.text = "" if control_down?
  end
end

#button_up(id) ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 198

def button_up(id)
end

#caret_end ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 83

def caret_end
  @text_input.selection_start > @text_input.caret_pos ? @text_input.selection_start : @text_input.caret_pos
end

#caret_from_left ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 65

def caret_from_left
  return 0 if @text_input.caret_pos.zero?

  @input.textobject.text_width(@text_input.text[0..@text_input.caret_pos - 1])
end

#caret_pos ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 75

def caret_pos
  @text_input.caret_pos
end

#caret_selection_width ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 71

def caret_selection_width
  @input.textobject.text_width(@text_input.text[caret_start..(caret_end - 1)])
end

#caret_start ⇒ Object 



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

def caret_start
  @text_input.selection_start < @text_input.caret_pos ? @text_input.selection_start : @text_input.caret_pos
end

#draw ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 41

def draw
  # Background/Border
  draw_rect(0, 0, @width, @height, @background_color, Console::Z)
  # Foregound/History
  draw_rect(PADDING, PADDING, @width - (PADDING * 2), @height - (PADDING * 2), @foreground_color, Console::Z)
  # Text bar
  draw_rect(2, @input.y, @width - (PADDING * 2), @input.height, @input_color, Console::Z)

  @history.draw
  @input.draw
  # Caret
  if @show_caret
    draw_rect(@input.x + caret_from_left, @input.y, Console::PADDING, @input.height, @caret_color, Console::Z + 2)
  end
  # Caret selection
  if caret_start != caret_end
    if caret_start < @text_input.selection_start
      draw_rect(@input.x + caret_from_left, @input.y, caret_selection_width, @input.height, @selection_color, Console::Z)
    else
      draw_rect((@input.x + caret_from_left) - caret_selection_width, @input.y, caret_selection_width, @input.height, @selection_color, Console::Z)
    end
  end
end

#focus ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 232

def focus
  @active_text_input = window.text_input
  window.text_input = @text_input

  @showing_cursor = window.needs_cursor
  window.needs_cursor = true

  @show_caret = true
  @caret_last_change = Gosu.milliseconds
end

#handle_command ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 205

def handle_command
  string = @text_input.text
  split  = string.split(" ")
  command = split.first
  arguments = split.length.positive? ? split[1..split.length - 1] : []

  CyberarmEngine::Console::Command.use(command, arguments, self)
end

#stdin(string) ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 227

def stdin(string)
  @history.text += "\n#{string}"
  update_history_y
end

#update ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 87

def update
  if Gosu.milliseconds - @caret_last_change >= @caret_interval
    @caret_last_change = Gosu.milliseconds
    @show_caret = !@show_caret
  end

  if @width != window.width || @height != @height
    @width  = window.width  / 4 * 3
    @height = window.height / 4 * 3

    @input.y = @height - (PADDING * 2 + @input.height)
    update_history_y
  end

  @input.text = @text_input.text
end

#update_history_y ⇒ Object 



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# File 'lib/cyberarm_engine/console.rb', line 201

def update_history_y
  @history.y = @height - (PADDING * 2) - @input.height - (@history.text.lines.count * @history.textobject.height)
end