# ▼▲▼ XAS.「Zボタンチェンジ」 ▼▲▼
#
#
#
#==============================================================================
# カスタマイズポイント
#==============================================================================
module XAS_Z
  #
  # アクション切り替えボタン
  #
  ACTION_CHANGE_BUTTON = Input::Z
  #
  # アクションタイプを保持する変数ID (Yボタンのそれと一致させる)
  #
  ACTION_VARIABLE_ID = 2
  #
  # アクションID=>アイコン　関連付け
  #
  ACTION_ICON = {
    2=>"Goods2",
    3=>"Goods3",
    4=>"Goods4",
    5=>"Goods5",
    21=>"Item1",
    22=>"Item2",
    23=>"Item3",
    24=>"Item4",
    25=>"Item5",
    26=>"Item6"
    }
  #
  # 表示スイッチID
  #
  SWITCH_ID = 5
  #
  # 表示位置
  #
  X = 246
  Y = 436
end

#==============================================================================
# --- パーティグッズ ---
#==============================================================================
class Game_Party
  def goods
    @goods = [] if @goods == nil
    return @goods
  end
  def gain_goods(action_id)
    @goods = [] if @goods == nil
    @goods.push(action_id) unless @goods.include?(action_id)
  end
end
#==============================================================================
# --- XRXS. アクションアタッチメント機構 ---
#==============================================================================
module XAS_ACTION
  #--------------------------------------------------------------------------
  # ○ 飛び道具の発射 (発生)
  #--------------------------------------------------------------------------
  alias xas_z_shoot_bullet shoot_bullet
  def shoot_bullet(action_id)
    # 呼び戻す
    bullet_token = xas_z_shoot_bullet(action_id)
    # 道具の再描画
    $scene.refresh_goods if bullet_token
    #
    return bullet_token
  end
end
#==============================================================================
# --- Z ボタンチェンジ ---
#==============================================================================
class Scene_Map
  alias xrxs64_zc_main main
  def main
    @action_change = Spriteset_ActionChange.new
    if $game_switches[XAS_Z::SWITCH_ID]
      @action_change.show(nil, $game_variables[XAS_Z::ACTION_VARIABLE_ID], nil)
    end
    # 呼び戻す
    xrxs64_zc_main
    # スプライトの解放
    @action_change.dispose if @action_change != nil
  end
  alias xrxs64_zc_update update
  def update
    # 呼び戻す
    xrxs64_zc_update
    # 非表示の場合は終了
    unless $game_switches[XAS_Z::SWITCH_ID]
      return @action_change.visible = false
    end
    # スプライトの更新
    @action_change.update 
    # Y ボタンが押された場合
    if Input.trigger?(XAS_Z::ACTION_CHANGE_BUTTON)
      # イベント実行中、メッセージウィンドウ表示中のいずれでもない場合
      unless $game_system.map_interpreter.running? or
             $game_temp.message_window_showing
        # 現在のアクションIDの取得
        action_id2 = $game_variables[XAS_Z::ACTION_VARIABLE_ID]
        # 使用可能グッズの取得
        goods = $game_party.goods
        # 使えるグッズが無い場合
        return if goods.size == 0
        # 次のアクションIDの取得
        index = (goods.index(action_id2).to_i + 1) % goods.size
        action_id3 = goods[index]
        # アクションを切り替え
        $game_variables[XAS_Z::ACTION_VARIABLE_ID] = action_id3
        # スプライトの表示
        @action_change.show(nil, action_id2, action_id3)
        @action_change.left_slide
      end
    end
  end
  #--------------------------------------------------------------------------
  # ● プレイヤーの場所移動
  #--------------------------------------------------------------------------
  alias xrxs64_zc_transfer_player transfer_player
  def transfer_player
    xrxs64_zc_transfer_player
    # 可視状態
    if $game_switches[XAS_Z::SWITCH_ID]
      @action_change.show(nil, $game_variables[XAS_Z::ACTION_VARIABLE_ID], nil)
    end
  end
  #--------------------------------------------------------------------------
  # ○ グッズ表示のリフレッシュ
  #--------------------------------------------------------------------------
  def refresh_goods
    @action_change.refresh if @action_change != nil
  end
end

#==============================================================================
# □ Spriteset_ActionChange
#==============================================================================
class Spriteset_ActionChange
  #--------------------------------------------------------------------------
  # ○ オブジェクト初期化
  #--------------------------------------------------------------------------
  def initialize
    @x = XAS_Z::X
    @y = XAS_Z::Y
    @icons = []
    @action_ids = [nil, nil, nil]
    @font = Font.new
    @font.name = "Comic Sans MS"
    @font.size = 22
    @font.bold = true
    self.clear
    @leftslide_duration = 0
    @show_duration = 0
    @fadeout_duration = 0
  end
  #--------------------------------------------------------------------------
  # ○ 解放と生成
  #--------------------------------------------------------------------------
  def dispose
    @icons.each {|sprite| sprite.dispose}
    @window.dispose if @window != nil
    @numbers.dispose if @numbers != nil
  end
  def clear
    self.dispose
    @window = Window_Base.new(@x, @y, 26, 26)
    @window.visible = false
    @window.back_opacity = 160
    @window.z = 500
    for i in 0..2
      @icons[i] = Sprite.new
      @icons[i].z = 501
    end
    @numbers = Spriteset_Numbers.new(@font)
    @numbers.visible = false
    @numbers.x = @x + 12
    @numbers.y = @y + 12
    @numbers.z = 502
  end
  #--------------------------------------------------------------------------
  # ○ 表示
  #--------------------------------------------------------------------------
  def show(action_id1, action_id2, action_id3)
    self.clear
    @window.visible = true
    @action_ids = [action_id1, action_id2, action_id3]
    for i in 0..2 
      icon_name = XAS_Z::ACTION_ICON[@action_ids[i]]
      if icon_name != nil
        @icons[i].bitmap = RPG::Cache.icon(icon_name)
        @icons[i].x = @x + (i - 1) * 48
        @icons[i].y = @y + 16 - (i % 2) * 16
        @icons[i].opacity = 96 + (i % 2) * 160
        @icons[i].visible = true
      else
        @icons[i].bitmap = nil
      end
    end
    @show_duration = (action_id3 == nil ? 0 : 60)
    @leftslide_duration = 0
    @fadeout_duration = (action_id3 == nil ? 12 : 0)
    @numbers.visible = self.need_number?
    @numbers.n = $game_party.item_number(self.item_id) if @numbers.visible
  end
  #--------------------------------------------------------------------------
  # ○ リフレッシュ
  #--------------------------------------------------------------------------
  def refresh
    self.show(*@action_ids)
  end
  #--------------------------------------------------------------------------
  # ○ 左スライド
  #--------------------------------------------------------------------------
  def left_slide
    @leftslide_duration = 8
  end
  #--------------------------------------------------------------------------
  # ○ 可視状態の設定
  #--------------------------------------------------------------------------
  def visible=(b)
    @window.visible = b
    @icons.each{|sprite| sprite.visible = b }
    @numbers.visible = (b and need_number?)
  end
  #--------------------------------------------------------------------------
  # ○ 現在のグッズが数字を必要とするか？
  #--------------------------------------------------------------------------
  def need_number?
    return (self.item_id != nil)
  end
  def item_id
    return XAS::ITEM_COST[@action_ids[1]]
  end
  #--------------------------------------------------------------------------
  # ○ フレーム更新
  #--------------------------------------------------------------------------
  def update
    # 左スライド
    if @leftslide_duration > 0
      @leftslide_duration -= 1
      @icons[0].opacity = @leftslide_duration * 20
      @icons[1].x = @x - 48 + @leftslide_duration * 6
      @icons[1].y = @y + 16 - @leftslide_duration * 2
      @icons[1].opacity = @leftslide_duration * 20 + 96
      @icons[2].x = @x + 48 - (8 - @leftslide_duration) * 6
      @icons[2].y = @y + 16 - (8 - @leftslide_duration) * 2
      @icons[2].opacity = (8 - @leftslide_duration) * 20 + 96
      if @leftslide_duration == 0
        show(@action_ids[1], @action_ids[2], nil)
      end
      return
    end
    # 一番目の自動フェードアウト
    if @icons[0].visible
      @icons[0].x += 2
      @icons[0].opacity -= 22
      @icons[0].visible = false if @icons[0].opacity == 0
      return
    end
  end
end