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KChangeKeys HC - Printable Version

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KChangeKeys HC - kyonides - 01-10-2026

KChangeKeys HC

by Kyonides

Introduction

Usually, a typical RM game would only let you change your key mappings via pressing the F1 button, and then you would be able to pick a few options for a minimal set of virtual buttons like A or C or R. Later on, mkxp let you set up to 4 different keys for a single target button. These keys can be actual keys or gamepad's buttons or axes or hats. None of those menus look very eye-catching, do they? Laughing

Now KChangeKeys HC for HiddenChest version 1.2.06 or higher is a real game changer. Now you CAN CHANGE your key bindings at will using this relatively simple script! Shocked Just keep pressing keys or buttons Gamer to get impressed by it! Two Thumbs Up! 

Screenshots

Script for RMXP
Code:
# * KChangeKeys HC for XP * #
#  Scripter : Kyonides
#  2026-01-09

# * This scripts depends on HiddenChest v1.2.06 or higher. * #

# With this scriptlet you are now able to change the keys that are normally
# mapped to any of RMXP's default buttons like A, B, C, etc. without pressing
# the F1 button!

# * Script Call * #
# $scene = KChangeKeys::Scene.new

module KChangeKeys
  BACKDROP = "dwarven mine"
  HELP_BAR = "help bar"
  TARGET_BOX = "target box"
  CURSOR = "cursor"
  HEADING = "Key Bindings"
  CHOOSE_KEY = "Please select a key to edit"
  ENTER_KEY = "Please enter a key now"
  TARGETS = %w{Up Down L L2 Left Right R R2 A B C X Y Z}

class Scene
  def main
    setup
    create_sprites
    Graphics.transition
    while @stage
      Graphics.update
      Input.update
      update
    end
    Graphics.freeze
    terminate
  end

  def setup
    Font.default_outline = true
    @stage = :main
    @index = 0
    @col_index = 0
    @gamepad = Input.gamepad
    @bindings = Input.bindings
    @list = @bindings.list
    @target_names = []
    @bind_names = []
    @binds = []
    @key_names = []
    @changes = []
    @sprites = []
    case Graphics.width
    when 544
      @rows = 1
    when 640
      @rows = 2
    when 800
      @rows = 3
    else
      @rows = 4
    end
    @list.each {|bg| @binds += bg.data.take(@rows) }
    @key_names = @binds.map {|b| b.name || "" }
    @init_names = @key_names.dup
    @temp_names = @key_names.dup
    @back_color = Color.new(0, 0, 0, 120)
    @target_color = Color.new(255, 200, 80)
  end

  def create_sprites
    gw = Graphics.width
    fn = BACKDROP + gw.to_s
    @backdrop = Sprite.new
    @backdrop.bitmap = RPG::Cache.title(fn).dup
    b = Bitmap.new(gw, 48)
    b.font.size = 32
    b.draw_text(:rect, HEADING, 1)
    @heading = Sprite.new
    @heading.y = 4
    @heading.bitmap = b
    b = RPG::Cache.picture(HELP_BAR)
    bx = (gw - b.width) / 2
    @help_backdrop = Sprite.new
    @help_backdrop.set_xy(bx, 60)
    @help_backdrop.bitmap = b
    @help_bit = Bitmap.new(gw, 32)
    @help_bit.font.size = 24
    @help_bit.draw_text(:rect, CHOOSE_KEY, 1)
    @help = Sprite.new
    @help.y = 60
    @help.z = 20
    @help.bitmap = @help_bit
    @cursor = Sprite.new
    @cursor.z = 10
    @cursor.bitmap = RPG::Cache.picture(CURSOR)
    sw = gw / 206
    ix = (gw - sw * 206) / 2
    b = RPG::Cache.picture(TARGET_BOX)
    @key_max = TARGETS.size
    @key_max.times do |n|
      sx = ix + n % sw * 206
      sy = 108 + n / sw * @rows * 32
      @backdrop.bitmap.blt(sx + 2, sy - 2, b, b.rect)
      s = Sprite.new
      s.set_xyz(sx, sy, 20)
      s.bitmap = Bitmap.new(80, 28)
      s.bitmap.font.color = @target_color
      s.bitmap.draw_text(:rect, TARGETS[n], 1)
      @target_names << s
      @rows.times {|i| create_button_box(sx + 84, sy + i * 32) }
    end
    s = @bind_names[0]
    @cursor.set_xy(s.x - 4, s.y - 2)
    b.dispose
    @sprites += @target_names + @bind_names
    @sprites += [@heading, @help, @cursor, @help_backdrop, @backdrop]
  end

  def create_button_box(sx, sy)
    name = @temp_names.shift
    s = Sprite.new
    s.set_xyz(sx, sy, 20)
    b = Bitmap.new(112, 28)
    b.draw_text(:rect, name, 1)
    s.bitmap = b
    @bind_names << s
    rect = b.rect.dup
    rect.x = sx
    rect.y = sy
    @backdrop.bitmap.fill_rect(rect, @back_color)
  end

  def terminate
    @sprites.each do |s|
      s.bitmap.dispose
      s.dispose
    end
    @changes = @changes.flatten.compact
    return if @changes.empty?
    Input.save_key_bindings
  end

  def update
    case @stage
    when :main
      update_main
    when :key
      update_key
    end
  end

  def box_index
    @index * @rows + @col_index
  end

  def update_main
    if Input.trigger?(:B)
      $game_system.se_play($data_system.cancel_se)
      $scene = Scene_Map.new
      return @stage = nil
    elsif Input.trigger?(:Up)
      update_cursor(0, -1)
      return
    elsif Input.trigger?(:Down)
      update_cursor(0, 1)
      return
    elsif Input.trigger?(:Left)
      update_cursor(-1, 0)
      return
    elsif Input.trigger?(:Right)
      update_cursor(1, 0)
      return
    elsif Input.trigger?(:Delete)
      $game_system.se_play($data_system.buzzer_se)
      n = box_index
      bind = @binds[n]
      bind.value = 0
      @key_names[n] = ""
      b = @bind_names[n].bitmap
      b.clear
      b.draw_text(:rect, "", 1)
      @changes[n] = true
      return
    elsif Input.trigger?(:C)
      $game_system.se_play($data_system.decision_se)
      Input.keymap_mode!
      Input.update
      n = box_index
      @bind = @binds[n]
      @help_bit.clear
      @help_bit.draw_text(:rect, ENTER_KEY, 1)
      @bind_bit = @bind_names[n].bitmap
      @bind_bit.clear
      @stage = :key
    end
  end

  def update_cursor(m, n)
    $game_system.se_play($data_system.cursor_se)
    @index = (@index + m) % @key_max
    @col_index = (@col_index + n) % @rows
    s = @bind_names[box_index]
    @cursor.set_xy(s.x - 4, s.y - 2)
  end

  def reset_help
    Input.play_mode!
    Input.update
    @bind_bit = @bind = nil
    @help_bit.clear
    @help_bit.draw_text(:rect, CHOOSE_KEY, 1)
    @stage = :main
  end

  def update_key
    if Input.trigger?(:MouseRight)
      $game_system.se_play($data_system.cancel_se)
      name = @key_names[box_index]
      @bind_bit.draw_text(:rect, name, 1)
      reset_help
      return
    elsif Input.trigger_any?
      $game_system.se_play($data_system.decision_se)
      case Input.trigger_type
      when 0
        @bind.value = 0
      when 1
        @bind.value = Input.trigger_last
      else
        @bind.value = Input.trigger_gp_value
      end
      n = box_index
      name = @bind.name
      @key_names[n] = name
      @bind_bit.clear
      @bind_bit.draw_text(:rect, name, 1)
      reset_help
      @changes[n] = true
    end
  end
end

end

Script for RMVX & VX ACE
Code:
# * KChangeKeys HC for VX + ACE * #
#  Scripter : Kyonides
#  2026-01-09

# * This scripts depends on HiddenChest v1.2.05 or higher. * #

# With this scriptlet you are now able to change the keys that are normally
# mapped to any of RMXP's default buttons like A, B, C, etc. without pressing
# the F1 button!

# For VX:
# $scene = KChangeKeys::Scene.new
# For VX ACE:
# SceneManager.call(KChangeKeys::Scene)

module KChangeKeys
  BACKDROP = "dwarven mine"
  HELP_BAR = "help bar"
  TARGET_BOX = "target box"
  CURSOR = "cursor"
  HEADING = "Key Bindings"
  CHOOSE_KEY = "Please select a key to edit"
  ENTER_KEY = "Please enter a key now"
  TARGETS = %w{Up Down L L2 Left Right R R2 A B C X Y Z}

class Scene
  def main
    setup
    create_sprites
    Graphics.transition
    while @stage
      Graphics.update
      Input.update
      update
    end
    Graphics.freeze
    terminate
  end

  def setup
    @vx_ace = Game::RGSS_VERSION == 3
    Font.default_outline = true
    @stage = :main
    @index = 0
    @col_index = 0
    @gamepad = Input.gamepad
    @bindings = Input.bindings
    @list = @bindings.list
    @target_names = []
    @bind_names = []
    @binds = []
    @key_names = []
    @changes = []
    @sprites = []
    case Graphics.width
    when 544
      @rows = 1
    when 640
      @rows = 2
    when 800
      @rows = 3
    else
      @rows = 4
    end
    @list.each {|bg| @binds += bg.data.take(@rows) }
    @key_names = @binds.map {|b| b.name || "" }
    @init_names = @key_names.dup
    @temp_names = @key_names.dup
    @back_color = Color.new(0, 0, 0, 120)
    @target_color = Color.new(255, 200, 80)
  end

  def create_sprites
    gw = Graphics.width
    fn = BACKDROP + gw.to_s
    @backdrop = Sprite.new
    @backdrop.bitmap = Cache.system(fn).dup
    b = Bitmap.new(Graphics.width, 48)
    b.font.size = 32
    b.draw_text(:rect, HEADING, 1)
    @heading = Sprite.new
    @heading.y = 4
    @heading.bitmap = b
    b = Cache.picture(HELP_BAR)
    bx = (gw - b.width) / 2
    @help_backdrop = Sprite.new
    @help_backdrop.set_xy(bx, 60)
    @help_backdrop.bitmap = b
    @help_bit = Bitmap.new(gw, 32)
    @help_bit.font.size = 24
    @help_bit.draw_text(:rect, CHOOSE_KEY, 1)
    @help = Sprite.new
    @help.y = 60
    @help.z = 20
    @help.bitmap = @help_bit
    @cursor = Sprite.new
    @cursor.z = 10
    @cursor.bitmap = Cache.picture(CURSOR)
    sw = gw / 206
    ix = (gw - sw * 206) / 2
    b = Cache.picture(TARGET_BOX)
    @key_max = TARGETS.size
    @key_max.times do |n|
      sx = ix + n % sw * 206
      sy = 108 + n / sw * @rows * 32
      @backdrop.bitmap.blt(sx + 2, sy - 2, b, b.rect)
      s = Sprite.new
      s.set_xyz(sx, sy, 20)
      s.bitmap = Bitmap.new(80, 28)
      s.bitmap.font.color = @target_color
      s.bitmap.draw_text(:rect, TARGETS[n], 1)
      @target_names << s
      @rows.times {|i| create_button_box(sx + 84, sy + i * 32) }
    end
    s = @bind_names[0]
    @cursor.set_xy(s.x - 4, s.y - 2)
    b.dispose
    @sprites += @target_names + @bind_names
    @sprites += [@heading, @help, @cursor, @help_backdrop, @backdrop]
  end

  def create_button_box(sx, sy)
    name = @temp_names.shift
    s = Sprite.new
    s.set_xyz(sx, sy, 20)
    b = Bitmap.new(112, 28)
    b.draw_text(:rect, name, 1)
    s.bitmap = b
    @bind_names << s
    rect = b.rect.dup
    rect.x = sx
    rect.y = sy
    @backdrop.bitmap.fill_rect(rect, @back_color)
  end

  def terminate
    @sprites.each do |s|
      s.bitmap.dispose
      s.dispose
    end
    @changes = @changes.flatten.compact
    return if @changes.empty?
    Input.save_key_bindings
  end

  def update
    case @stage
    when :main
      update_main
    when :key
      update_key
    end
  end

  def box_index
    @index * @rows + @col_index
  end

  def update_main
    if Input.trigger?(:B)
      Sound.play_cancel
      $scene = Scene_Map.new
      return @stage = nil
    elsif Input.trigger?(:Up)
      update_cursor(0, -1)
      return
    elsif Input.trigger?(:Down)
      update_cursor(0, 1)
      return
    elsif Input.trigger?(:Left)
      update_cursor(-1, 0)
      return
    elsif Input.trigger?(:Right)
      update_cursor(1, 0)
      return
    elsif Input.trigger?(:Delete)
      Sound.play_buzzer
      n = box_index
      bind = @binds[n]
      bind.value = 0
      @key_names[n] = ""
      b = @bind_names[n].bitmap
      b.clear
      b.draw_text(:rect, "", 1)
      @changes[n] = true
      return
    elsif Input.trigger?(:C)
      @vx_ace ? Sound.play_ok : Sound.play_decision
      Input.keymap_mode!
      Input.update
      n = box_index
      @bind = @binds[n]
      @help_bit.clear
      @help_bit.draw_text(:rect, ENTER_KEY, 1)
      @bind_bit = @bind_names[n].bitmap
      @bind_bit.clear
      @stage = :key
    end
  end

  def update_cursor(m, n)
    Sound.play_cursor
    @index = (@index + m) % @key_max
    @col_index = (@col_index + n) % @rows
    s = @bind_names[box_index]
    @cursor.set_xy(s.x - 4, s.y - 2)
  end

  def reset_help
    Input.play_mode!
    Input.update
    @bind_bit = @bind = nil
    @help_bit.clear
    @help_bit.draw_text(:rect, CHOOSE_KEY, 1)
    @stage = :main
  end

  def update_key
    if Input.trigger?(:MouseRight)
      Sound.play_cancel
      name = @key_names[box_index]
      @bind_bit.draw_text(:rect, name, 1)
      reset_help
      return
    elsif Input.trigger_any?
      @vx_ace ? Sound.play_ok : Sound.play_decision
      case Input.trigger_type
      when 0
        @bind.value = 0
      when 1
        @bind.value = Input.trigger_last
      else
        @bind.value = Input.trigger_gp_value
      end
      n = box_index
      name = @bind.name
      @key_names[n] = name
      @bind_bit.clear
      @bind_bit.draw_text(:rect, name, 1)
      reset_help
      @changes[n] = true
    end
  end
end

end

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