OneEyedEagle - Smooth Battle Log

#==============================================================================
# ■ Smooth Battle Log by OneEyedEagle （http://oneeyedeagle.lofter.com/）
# ※ This script needs to be placed under [Draw Text Ex by OneEyedEagle]
# License - MIT License: http://opensource.org/licenses/mit-license.php
#==============================================================================
# - 2020.7.23.22 Compatible with the new version of Draw Text Ex script
#==============================================================================
$imported ||= {}
$imported["EAGLE-BattleLog"] = true
#==============================================================================
# - Improves default battlelog and implements a single line text sprite queue
# - Battlelogs are updated in parallel, no more waiting and smooth text effect!
#==============================================================================

class Window_BattleLog < Window_Selectable
  #--------------------------------------------------------------------------
  # ● Initialize
  #--------------------------------------------------------------------------
  def initialize
    super(0, 0, Graphics.width, fitting_height(1))
    self.opacity = 0
    @lines = [] # Array of objects storing sprite block objects
    @index = 0  # Position of the inserted new text block
    @shift_count = 0 # Eliminates the wait count on the first line
  end
  #--------------------------------------------------------------------------
  # ● Max line number
  #--------------------------------------------------------------------------
  def max_line_number
    4
  end
  #--------------------------------------------------------------------------
  # ● Auto shift frame
  #--------------------------------------------------------------------------
  def auto_shift_frame
    150
  end
  #--------------------------------------------------------------------------
  # ● Update
  #--------------------------------------------------------------------------
  def update
    super
    hide
    return if @lines.empty?
    @lines.each { |item| item.update }
    @shift_count += 1
    shift_text if @index >= max_line_number || @shift_count > auto_shift_frame
    dispose_text if @lines[0].state == :fin
  end
  #--------------------------------------------------------------------------
  # ● Add text
  #--------------------------------------------------------------------------
  def add_text(text)
    return if text == ""
    @lines.push(Window_Batterlog_Block.new(self, text, @lines.size))
    @index += 1
  end
  #--------------------------------------------------------------------------
  # ● Shift text
  #--------------------------------------------------------------------------
  def shift_text
    return if @lines.empty?
    @lines[0].state = :moveout if @lines[0].state == :movein
  end
  #--------------------------------------------------------------------------
  # ● Dispose text
  #--------------------------------------------------------------------------
  def dispose_text
    @shift_count = 0
    @index -= 1
    @lines.each { |item| item.index -= 1 }
    @lines.shift.dispose
  end
  #--------------------------------------------------------------------------
  # ● Dispose
  #--------------------------------------------------------------------------
  def dispose
    super
    @lines.each { |item| item.dispose }
  end
  #--------------------------------------------------------------------------
  # ● Clear
  #--------------------------------------------------------------------------
  def clear
  end
  #--------------------------------------------------------------------------
  # ● Clear (all)
  #--------------------------------------------------------------------------
  def clear_all
    @lines.each { |item| item.state = :moveout }
  end
  #--------------------------------------------------------------------------
  # ● Line number
  #--------------------------------------------------------------------------
  def line_number
    @lines.size
  end
  #--------------------------------------------------------------------------
  # ● Back one
  #--------------------------------------------------------------------------
  def back_one
    shift_text
  end
  #--------------------------------------------------------------------------
  # ● Back to
  #--------------------------------------------------------------------------
  def back_to(line_number)
  end
  #--------------------------------------------------------------------------
  # ● Replace text
  #    Replace the last paragraph with the following.
  #--------------------------------------------------------------------------
  def replace_text(text)
    add_text(text)
  end
  #--------------------------------------------------------------------------
  # ● Last text
  #--------------------------------------------------------------------------
  def last_text
    @lines.empty? ? "" : @lines[-1].text
  end
  #--------------------------------------------------------------------------
  # ● Refresh
  #--------------------------------------------------------------------------
  def refresh
  end
  #--------------------------------------------------------------------------
  # ● Wait
  #--------------------------------------------------------------------------
  def wait
  end
  #--------------------------------------------------------------------------
  # ● Wait for effect
  #--------------------------------------------------------------------------
  def wait_for_effect
  end
  #--------------------------------------------------------------------------
  # ● Wait and clear
  # Minimum wait of message displayed and clear the message when wait is over.
  #--------------------------------------------------------------------------
  def wait_and_clear
    clear
  end
  #--------------------------------------------------------------------------
  # ● Damage display
  #--------------------------------------------------------------------------
  def display_damage(target, item)
    if target.result.missed
      display_miss(target, item)
    elsif target.result.evaded
      display_evasion(target, item)
    else
      return if defined?(SideView)
      display_hp_damage(target, item)
      display_mp_damage(target, item)
      display_tp_damage(target, item)
    end
  end
end

class Window_Batterlog_Block < Sprite
  attr_accessor :index, :state
  attr_reader :text
  #--------------------------------------------------------------------------
  # ● Initialization
  #--------------------------------------------------------------------------
  def initialize(window, text, index)
    super(window.viewport)
    @text = text
    @index = index  #Automatically adjusts y position for text box.
    @state = :movein
    self.bitmap = Bitmap.new(Graphics.width, line_height)
    self.x = -50
    self.y = get_y
    self.opacity = 0
    refresh
  end
  #--------------------------------------------------------------------------
  # ● Line height
  #--------------------------------------------------------------------------
  def line_height
    Font.default_size + 4
  end
  #--------------------------------------------------------------------------
  # ● Refresh
  #--------------------------------------------------------------------------
  def refresh
    self.bitmap.clear
    draw_background
    draw_text
  end
  #--------------------------------------------------------------------------
  # ● Draw background
  #--------------------------------------------------------------------------
  def draw_background
    self.bitmap.gradient_fill_rect(self.bitmap.rect,
      Color.new(0,0,0,64), Color.new(0,0,0,10))
  end
  #--------------------------------------------------------------------------
  # ● Draw text
  #--------------------------------------------------------------------------
  def draw_text
    reset_font_settings
    d = Process_DrawTextEX.new(@text, {:x0 => 24, :y0 => 2}, self.bitmap)
    d.run
  end
  #--------------------------------------------------------------------------
  # ● Reset font settings
  #--------------------------------------------------------------------------
  def reset_font_settings
    self.bitmap.font.color = Color.new(255,255,255)
    self.bitmap.font.size = Font.default_size
    self.bitmap.font.bold = false
    self.bitmap.font.italic = false
    self.bitmap.font.outline = false
  end
  #--------------------------------------------------------------------------
  # ● Get Y
  #--------------------------------------------------------------------------
  def get_y
    @index = 0 if @index < 0
    @index * line_height + 10
  end
  #--------------------------------------------------------------------------
  # ● Update Y
  #--------------------------------------------------------------------------
  def update_y
    self.y -= 2 if self.y > get_y
  end
  #--------------------------------------------------------------------------
  # ● Update X and opacity
  #--------------------------------------------------------------------------
  def update_x_and_opacity #Useful for initialization and exit
    case @state
    when :movein
      self.opacity += 26
      self.x += 4 if self.x < 0
    when :moveout
      self.opacity -= 26
      self.x -= 4 if self.opacity > 0
      @state = :fin if self.opacity <= 0
    end
  end
  #--------------------------------------------------------------------------
  # ● Update
  #--------------------------------------------------------------------------
  def update
    super
    update_x_and_opacity
    update_y
  end
  #--------------------------------------------------------------------------
  # ● Dispose
  #--------------------------------------------------------------------------
  def dispose
    self.bitmap.dispose
    super
  end
end