Class: GTK::ControllerConfig

Inherits:
Object
  • Object
show all
Defined in:
dragon/controller_config.rb

Instance Method Summary collapse

Constructor Details

#initialize(runtime) ⇒ ControllerConfig

Returns a new instance of ControllerConfig.


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# File 'dragon/controller_config.rb', line 11

def initialize runtime
  @runtime = runtime
  @raw_joysticks = {}   # things that aren't game controllers to try to configure.
  @target = nil
  @animation_duration = (1.5).seconds
  @toggled_at = 0
  @fading = 0
  @current_part = 0
  @part_alpha = 0
  @part_alpha_increment = 10
  @joystick_state = {}
  @playing_around = false
  @used_bindings = {}
  @bindings = []
  @parts = [
    [ 919, 282, 'A button', 'a' ],
    [ 960, 323, 'B button', 'b' ],
    [ 878, 323, 'X button', 'x' ],
    [ 919, 365, 'Y button', 'y' ],
    [ 433, 246, 'left stick left', '-leftx' ],
    [ 497, 246, 'left stick right', '+leftx' ],
    [ 466, 283, 'left stick up', '-lefty' ],
    [ 466, 218, 'left stick down', '+lefty' ],
    [ 466, 246, 'left stick button', 'leftstick' ],
    [ 741, 246, 'right stick left', '-rightx' ],
    [ 802, 246, 'right stick right', '+rightx' ],
    [ 773, 283, 'right stick up', '-righty' ],
    [ 773, 218, 'right stick down', '+righty' ],
    [ 772, 246, 'right stick button', 'rightstick' ],
    [ 263, 465, 'left shoulder button', 'leftshoulder' ],
    [ 263, 503, 'left trigger', 'lefttrigger' ],
    [ 977, 465, 'right shoulder button', 'rightshoulder' ],
    [ 977, 503, 'right trigger', 'righttrigger' ],
    [ 318, 365, 'D-pad up', 'dpup' ],
    [ 360, 322, 'D-pad right', 'dpright' ],
    [ 318, 280, 'D-pad down', 'dpdown' ],
    [ 275, 322, 'D-pad left', 'dpleft' ],
    [ 570, 402, 'select/back button', 'back'],
    [ 619, 448, 'guide/home button', 'guide' ],
    [ 669, 402, 'start button', 'start' ],
  ]
end

Instance Method Details

#build_binding_stringObject


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# File 'dragon/controller_config.rb', line 73

def build_binding_string
  bindingstr = ''
  skip = false

  for i in 0..@parts.length-1
    if skip ; skip = false ; next ; end

    binding = @bindings[i]
    next if binding.nil?

    part = @parts[i][3]

    # clean up string:
    #  if axis uses -a0 for negative and +a0 for positive, just make it "leftx:a0" instead of "-leftx:-a0,+leftx:+a0"
    #  if axis uses +a0 for negative and -a0 for positive, just make it "leftx:a0~" instead of "-leftx:+a0,+leftx:-a0"
    if part == '-leftx' || part == '-lefty' || part == '-rightx' || part == '-righty'
      nextbinding = @bindings[i+1]
      if binding.start_with?('-a') && nextbinding.start_with?('+a') && binding[2..-1] == nextbinding[2..-1]
        skip = true
        part = part[1..-1]
        binding = binding[1..-1]
      elsif binding.start_with?('+a') && nextbinding.start_with?('-a') && binding[2..-1] == nextbinding[2..-1]
        skip = true
        part = part[1..-1]
        binding = "#{binding[1..-1]}~"
      end
    end

    bindingstr += "#{!bindingstr.empty? ? ',' : ''}#{part}:#{binding}"
  end

  details = @target[1]

  # !!! FIXME: no String.delete in mRuby?!?! Maybe so when upgrading.
  #name = details[:name].delete(',')
  # !!! FIXME: ...no regexp either...  :/
  #name = details[:name].gsub(/,/, ' ')  # !!! FIXME: will SDL let you escape these instead?
  unescaped = details[:name]
  name = ''
  for i in 0..unescaped.length-1
    ch = unescaped[i]
    name += (ch == ',') ? ' ' : ch
  end
  return "#{details[:guid]},#{name},platform:#{@runtime.platform},#{bindingstr}"
end

#calc_fadingObject


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# File 'dragon/controller_config.rb', line 207

def calc_fading
  if @fading == 0
    return 255
  elsif @fading > 0   # fading in
    percent = @toggled_at.global_ease(@animation_duration, :flip, :quint, :flip)
    if percent >= 1.0
      percent = 1.0
      @fading = 0
    end
  else  # fading out
    percent = @toggled_at.global_ease(@animation_duration, :flip, :quint)
    if percent <= 0.0
      percent = 0.0
      @fading = 0
    end
  end

  return (percent * 255.0).to_i
end

#choose_targetObject


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# File 'dragon/controller_config.rb', line 242

def choose_target
  if @target.nil?
    while !@raw_joysticks.empty?
      t = @raw_joysticks.shift  # see if there's a joystick waiting on us.
      next if t[0] < 0  # just in case.
      next if t[1][:guid].nil?  # did we already handle this guid? Dump it.
      @target = t
      break
    end
    return false if @target.nil?   # nothing to configure at the moment.
    @toggled_at = Kernel.global_tick_count
    @fading = 1
    @current_part = 0
    @part_alpha = 0
    @part_alpha_increment = 10
    @joystick_state = {}
    @used_bindings = {}
    @playing_around = false
    @bindings = []
  end
  return true
end

#move_to_different_part(part) ⇒ Object


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# File 'dragon/controller_config.rb', line 119

def move_to_different_part part
  if !@joystick_state[:axes].nil?
    @joystick_state[:axes].each { |i| i[:farthestval] = i[:startingval] if !i.nil? }
  end
  @current_part = part
end

#next_partObject


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# File 'dragon/controller_config.rb', line 136

def next_part
  if @current_part < (@parts.length - 1)
    move_to_different_part @current_part + 1
  else
    @playing_around = true
  end
end

#play_around(args) ⇒ Object


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# File 'dragon/controller_config.rb', line 271

def play_around args
  return false if !@playing_around

  if args.inputs.keyboard.key_down.escape
    @current_part = 0
    @part_alpha = 0
    @part_alpha_increment = 10
    @used_bindings = {}
    @playing_around = false
    @bindings = []
  elsif args.inputs.keyboard.key_down.space
    jid = @target[0]
    bindingstr = build_binding_string
    #puts("new controller binding: '#{bindingstr}'")
    @runtime.ffi_misc.add_controller_config bindingstr
    @runtime.ffi_misc.convert_rawjoystick_to_controller jid
    @target[0] = -1  # Conversion closes the raw joystick.

    # Handle any other pending joysticks that have the same GUID (so if you plug in four of the same model, we're already done!)
    guid = @target[1][:guid]
    @raw_joysticks.each { |jid, details|
      if details[:guid] == guid
        @runtime.ffi_misc.convert_rawjoystick_to_controller jid
        details[:guid] = nil
      end
    }

    # Done with this guy.
    @playing_around = false
    @toggled_at = Kernel.global_tick_count
    @fading = -1
    return false
  end

  render_basics args, 'Now play around with the controller, and make sure it feels right!'
  args.outputs.primitives << [GAME_WIDTH / 2, 90, '[ESCAPE]: Reconfigure, [SPACE]: Save this configuration', 0, 1, 0, 0, 0, 255].label

  axes = @joystick_state[:axes]
  if !axes.nil?
    for i in 0..axes.length-1
      next if axes[i].nil?
      value = axes[i][:currentval]
      next if value.nil? || (value.abs < 16000)
      render_part_highlight_from_bindstr args, "#{value < 0 ? '-' : '+'}a#{i}"
    end
  end

  hats = @joystick_state[:hats]
  if !hats.nil?
    for i in 0..hats.length-1
      value = hats[i]
      next if value.nil? || (value == 0)
      render_part_highlight_from_bindstr args, "h#{i}.#{value}"
    end
  end

  buttons = @joystick_state[:buttons]
  if !buttons.nil?
    for i in 0..buttons.length-1
      value = buttons[i]
      next if value.nil? || !value
      render_part_highlight_from_bindstr args, "b#{i}"
    end
  end

  return true
end

#previous_partObject


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# File 'dragon/controller_config.rb', line 126

def previous_part
  if @current_part > 0
    # remove the binding that we previously had here so it can be reused.
    bindstr = @bindings[@current_part - 1]
    @bindings[@current_part - 1] = nil
    @used_bindings[bindstr] = nil
    move_to_different_part @current_part - 1
  end
end

#rawjoystick_axis(jid, axis, value) ⇒ Object

Called when a lowlevel joystick moves an axis.


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# File 'dragon/controller_config.rb', line 152

def rawjoystick_axis jid, axis, value
  return if @target.nil? || jid != @target[0] || @fading != 0 # skip if not currently considering this joystick.

  @joystick_state[:axes] ||= []
  @joystick_state[:axes][axis] ||= {
    moving: false,
    startingval: 0,
    currentval: 0,
    farthestval: 0
  }

  # this is the logic from SDL's controllermap.c, more or less, since this is hard to get right from scratch.
  state = @joystick_state[:axes][axis]
  state[:currentval] = value
  if !state[:moving]
    state[:moving] = true
    state[:startingval] = value
    state[:farthestval] = value
  end

  current_distance = (value - state[:startingval]).abs
  farthest_distance = (state[:farthestval] - state[:startingval]).abs
  if current_distance > farthest_distance
    state[:farthestval] = value
    farthest_distance = (state[:farthestval] - state[:startingval]).abs
  end

  # If we've gone out far enough and started to come back, let's bind this axis
  if (farthest_distance >= 16000) && (current_distance <= 10000)
    next_part if set_binding("#{(state[:farthestval] < 0) ? '-' : '+'}a#{axis}")
  end
end

#rawjoystick_button(jid, button, pressed) ⇒ Object

Called when a lowlevel joystick moves a button.


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# File 'dragon/controller_config.rb', line 197

def rawjoystick_button jid, button, pressed
  return if @target.nil? || jid != @target[0] || @fading != 0 # skip if not currently considering this joystick.

  @joystick_state[:buttons] ||= []
  @joystick_state[:buttons][button] = pressed

  return if !pressed
  next_part if set_binding("b#{button}")
end

#rawjoystick_connected(jid, joystickname, guid) ⇒ Object


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# File 'dragon/controller_config.rb', line 54

def rawjoystick_connected jid, joystickname, guid
  return if jid < 0
  @raw_joysticks[jid] = { name: joystickname, guid: guid }
end

#rawjoystick_disconnected(jid) ⇒ Object


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# File 'dragon/controller_config.rb', line 59

def rawjoystick_disconnected jid
  return if jid < 0
  if @raw_joysticks[jid] != nil
    @raw_joysticks.delete(jid)
    @runtime.ffi_misc.close_raw_joystick(jid)
    # Fade out the config screen if we were literally configuring this controller right now.
    if !@target.nil? && @target[0] == jid
      @target[0] = nil
      @toggled_at = Kernel.global_tick_count
      @fading = -1
    end
  end
end

#rawjoystick_hat(jid, hat, value) ⇒ Object

Called when a lowlevel joystick moves a hat.


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# File 'dragon/controller_config.rb', line 186

def rawjoystick_hat jid, hat, value
  return if @target.nil? || jid != @target[0] || @fading != 0 # skip if not currently considering this joystick.

  @joystick_state[:hats] ||= []
  @joystick_state[:hats][hat] = value

  return if value == 0   # 0 == centered, skip it
  next_part if set_binding("h#{hat}.#{value}")
end

#render_basics(args, msg, fade = 255) ⇒ Object


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# File 'dragon/controller_config.rb', line 227

def render_basics args, msg, fade=255
  joystickname = @target[1][:name]
  args.outputs.primitives << [0, 0, GAME_WIDTH, GAME_HEIGHT, 255, 255, 255, fade].solid
  args.outputs.primitives << [0, 0, GAME_WIDTH, GAME_HEIGHT, 'dragonruby-controller.png', 0, fade, 255, 255, 255].sprite
  args.outputs.primitives << [GAME_WIDTH / 2, 700, joystickname, 2, 1, 0, 0, 0, fade].label
  args.outputs.primitives << [GAME_WIDTH / 2, 650, msg, 0, 1, 0, 0, 0, 255].label if !msg.empty?
end

#render_part_highlight(args, part, alpha = 255) ⇒ Object


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# File 'dragon/controller_config.rb', line 235

def render_part_highlight args, part, alpha=255
  partsize = 41
  args.outputs.primitives << [part[0], part[1], partsize, partsize, 255, 0, 0, alpha].border
  args.outputs.primitives << [part[0]-1, part[1]-1, partsize+2, partsize+2, 255, 0, 0, alpha].border
  args.outputs.primitives << [part[0]-2, part[1]-2, partsize+4, partsize+4, 255, 0, 0, alpha].border
end

#render_part_highlight_from_bindstr(args, bindstr, alpha = 255) ⇒ Object


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# File 'dragon/controller_config.rb', line 265

def render_part_highlight_from_bindstr args, bindstr, alpha=255
  partidx = @used_bindings[bindstr]
  return if partidx.nil?
  render_part_highlight args, @parts[partidx], alpha
end

#set_binding(bindstr) ⇒ Object


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# File 'dragon/controller_config.rb', line 144

def set_binding bindstr
  return false if !@used_bindings[bindstr].nil?
  @used_bindings[bindstr] = @current_part
  @bindings[@current_part] = bindstr
  return true
end

#should_tick?Boolean

Returns:

  • (Boolean)

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# File 'dragon/controller_config.rb', line 339

def should_tick?
  return true if @play_around
  return true if @target
  return false
end

#tick(args) ⇒ Object


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# File 'dragon/controller_config.rb', line 345

def tick args
  return true if play_around args
  return false if !choose_target

  jid = @target[0]

  if @fading == 0
    # Cancel config?
    if args.inputs.keyboard.key_down.escape
      # !!! FIXME: prompt to ignore this joystick forever or just this run
      @toggled_at = Kernel.global_tick_count
      @fading = -1
    end
  end

  if @fading == 0
    if args.inputs.keyboard.key_down.backspace
      previous_part
    elsif args.inputs.keyboard.key_down.space
      next_part
    end
  end

  fade = calc_fading
  if (@fading < 0) && (fade == 0)
    @runtime.ffi_misc.close_raw_joystick(jid) if jid >= 0
    @target = nil   # done with this controller
    return false
  end

  render_basics args, (@fading >= 0) ? "We don't recognize this controller, so tell us about it!" : '', fade

  return true if fade < 255  # all done for now

  part = @parts[@current_part]
  args.outputs.primitives << [GAME_WIDTH / 2, 575, "Please press the #{part[2]}.", 0, 1, 0, 0, 0, 255].label
  render_part_highlight args, part, @part_alpha
  args.outputs.primitives << [GAME_WIDTH / 2, 90, '[ESCAPE]: Ignore controller, [BACKSPACE]: Go back one button, [SPACE]: Skip this button', 0, 1, 0, 0, 0, 255].label

  @part_alpha += @part_alpha_increment
  if (@part_alpha_increment > 0) && (@part_alpha >= 255)
    @part_alpha = 255
    @part_alpha_increment = -10
  elsif (@part_alpha_increment < 0) && (@part_alpha <= 0)
    @part_alpha = 0
    @part_alpha_increment = 10
  end

  return true
end