Class: Rb2048::GameRender

Inherits:
Object
  • Object
show all
Defined in:
lib/rb2048/game.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ GameRender

Returns a new instance of GameRender.



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# File 'lib/rb2048/game.rb', line 108

def initialize
  @window = nil
  @window_height = nil
  @window_width = nil

  init_screen
end

Instance Attribute Details

#window ⇒ Object (readonly)

Returns the value of attribute window.



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# File 'lib/rb2048/game.rb', line 107

def window
  @window
end

Instance Method Details

#draw(payload) ⇒ Object 



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# File 'lib/rb2048/game.rb', line 130

def draw(payload)
  data = payload[:data]
  size = payload[:size]

  level = payload[:level]
  score = payload[:score]
  last_action = payload[:last_action]
  status = payload[:status]

  start_timestamp = payload[:start_timestamp]
  end_timestamp = payload[:end_timestamp]

  tun_new_value = payload[:tun_new_value]

  @window.clear

  # display board content buffer
  buffer = []
  number_width = score.to_s.length * 2
  for row_index in (0..size-1)
    row_text = "|"
    for col_index in (0..size-1)

      n = data[row_index][col_index]
      n_text = " "*(number_width - n.to_s.length) + n.to_s
      row_text +=" "*2+"#{n_text}"+" "*2+"|"
    end
    buffer.push(row_text)
  end

  # x,y offset counter
  row,col = [0,1]

  # title
  content_width = buffer.first.length
  title = "-- Ruby 2048 --"
  left_offset = (content_width - title.length) / 2
  row = row + 1
  @window.setpos(row, left_offset)
  @window.addstr("-- Ruby 2048 --")

  # board
  row = row + 2
  start_row, start_col = [row,1]
  @window.setpos(start_row, start_col)
  @window.addstr("-"*buffer.first.length)
  buffer.each_with_index do |line,index|
    @window.setpos(start_row+index*2 + 2, start_col)
    @window.addstr("-" * line.length)
    @window.setpos(start_row+index*2 + 1, start_col)
    @window.addstr(line)
  end

  # score
  row = row + buffer.length * 2 + 2
  @window.setpos(row, col)
  @window.addstr("Score:\t#{score}\t\t#{"You:"+last_action.to_s if last_action}")

  # status

  row = row + 2
  @window.setpos(row, col)
  result_text = nil
  if status == 1
    result_text = "Congratulation! You have got 2048!!! :D"
  elsif status == -1
    result_text = "YOU LOST :("
  end

  if result_text
    left_offset = (buffer.first.length - result_text.length )/2
    @window.setpos(row, left_offset)
    @window.addstr(result_text)
  end

  # control
  row = row + 2
  @window.setpos(row, col)
  @window.addstr("Control: W(↑) A(←) S(↓) D(→) Q(quit) R(Restart)")
  @window.refresh
end

#init_screen ⇒ Object 



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# File 'lib/rb2048/game.rb', line 116

def init_screen
  Curses.init_screen
  Curses.cbreak
  Curses.noecho
  Curses.curs_set(0)  # Invisible cursor
  Curses.stdscr.keypad = true

  @window_height = Curses.lines
  @window_width = Curses.cols

  @window = Curses::Window.new(@window_height, @window_width, 0, 0)
  @window.refresh
end