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#==============================================================================
# ■ VX-RGSS2-7 Change Battle Background [Ver.1.0.0]      by Claimh
#------------------------------------------------------------------------------
# English Translation By: Elemental Crisis [http://rpgcrisis.net]
#------------------------------------------------------------------------------
# Changes the battle background.
#==============================================================================

module BattleBack
  #   Select Battle Background Type
  #   0:Current map with wave effect for battle background (Default VX Style).
  #   1:Current map used as battle background.
  #   2:Uses a picture for battle background.
  BB_TYPE = 1
  
  # Display Battle Floor
  BT_FLOOR = false

  # Picture (Only required if BB_TYPE = 2)
  M_B_BACK = {
        # All picture files must be in the Graphics/System folder.
        # Map ID => "Picture File Name"
        1 => "001-Grassland01"
  }
end


#==============================================================================
# ■ Spriteset_Battle
#==============================================================================
class Spriteset_Battle
  #--------------------------------------------------------------------------
  # ● Creating Battle Back Sprite
  #--------------------------------------------------------------------------
  def create_battleback
        case BattleBack::BB_TYPE
        when 0
          source = $game_temp.background_bitmap
          bitmap = Bitmap.new(640, 480)
          bitmap.stretch_blt(bitmap.rect, source, source.rect)
          bitmap.radial_blur(90, 12)
          @battleback_sprite = Sprite.new(@viewport1)
          @battleback_sprite.bitmap = bitmap
          @battleback_sprite.ox = 320
          @battleback_sprite.oy = 240
          @battleback_sprite.x = 272
          @battleback_sprite.y = 176
          @battleback_sprite.wave_amp = 8
          @battleback_sprite.wave_length = 240
          @battleback_sprite.wave_speed = 120
        when 1
          source = $game_temp.background_bitmap
          bitmap = Bitmap.new(640, 480)
          bitmap.stretch_blt(bitmap.rect, source, source.rect)
          @battleback_sprite = Sprite.new(@viewport1)
          @battleback_sprite.bitmap = bitmap
          @battleback_sprite.ox = 320
          @battleback_sprite.oy = 240
          @battleback_sprite.x = 272
          @battleback_sprite.y = 176
        when 2
          @battleback_sprite = BattleBackSprite.new(@viewport1)
        end
  end
  #--------------------------------------------------------------------------
  # ● Creating Battle Floor Sprite
  #--------------------------------------------------------------------------
  alias create_battlefloor_mbb create_battlefloor
  def create_battlefloor
        create_battlefloor_mbb if BattleBack::BT_FLOOR
  end
  #--------------------------------------------------------------------------
  # ● Delete Battle Floor Sprite
  #--------------------------------------------------------------------------
  alias dispose_battlefloor_mbb dispose_battlefloor
  def dispose_battlefloor
        dispose_battlefloor_mbb if BattleBack::BT_FLOOR
  end
  #--------------------------------------------------------------------------
  # ● Update Battle Floor Sprite
  #--------------------------------------------------------------------------
  alias update_battlefloor_mbb update_battlefloor
  def update_battlefloor
        update_battlefloor_mbb if BattleBack::BT_FLOOR
  end
end


#==============================================================================
# ■ BattleBackSprite
#==============================================================================
class BattleBackSprite  @y_zoom ? @x_zoom : @y_zoom
        # Zoom is carried out.
        self.zoom_x = @zoom
        self.zoom_y = @zoom
        # Made into central display.
        self.ox = self.bitmap.width / 2
        self.oy = self.bitmap.height / 2
        self.x = (self.bitmap.width / 2)  * @zoom
        self.y = (self.bitmap.height / 2) * @zoom
  end
end