Initial import

Scripts/RPG/Scene_ItemBase.rb

@@ -0,0 +1,148 @@
+# -*- coding: utf-8 -*-
+#==============================================================================
+# ** Scene_ItemBase
+#------------------------------------------------------------------------------
+#  This class performs common processing for the item screen and skill screen.
+#==============================================================================
+
+class Scene_ItemBase < Scene_MenuBase
+  #--------------------------------------------------------------------------
+  # * Start Processing
+  #--------------------------------------------------------------------------
+  def start
+    super
+    create_actor_window
+  end
+  #--------------------------------------------------------------------------
+  # * Create Actor Window
+  #--------------------------------------------------------------------------
+  def create_actor_window
+    @actor_window = Window_MenuActor.new
+    @actor_window.set_handler(:ok,     method(:on_actor_ok))
+    @actor_window.set_handler(:cancel, method(:on_actor_cancel))
+  end
+  #--------------------------------------------------------------------------
+  # * Get Currently Selected Item
+  #--------------------------------------------------------------------------
+  def item
+    @item_window.item
+  end
+  #--------------------------------------------------------------------------
+  # * Get Item's User
+  #--------------------------------------------------------------------------
+  def user
+    $game_party.movable_members.max_by {|member| member.pha }
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Cursor Is in Left Column
+  #--------------------------------------------------------------------------
+  def cursor_left?
+    @item_window.index % 2 == 0
+  end
+  #--------------------------------------------------------------------------
+  # * Show Subwindow
+  #--------------------------------------------------------------------------
+  def show_sub_window(window)
+    width_remain = Graphics.width - window.width
+    window.x = cursor_left? ? width_remain : 0
+    @viewport.rect.x = @viewport.ox = cursor_left? ? 0 : window.width
+    @viewport.rect.width = width_remain
+    window.show.activate
+  end
+  #--------------------------------------------------------------------------
+  # * Hide Subwindow
+  #--------------------------------------------------------------------------
+  def hide_sub_window(window)
+    @viewport.rect.x = @viewport.ox = 0
+    @viewport.rect.width = Graphics.width
+    window.hide.deactivate
+    activate_item_window
+  end
+  #--------------------------------------------------------------------------
+  # * Actor [OK]
+  #--------------------------------------------------------------------------
+  def on_actor_ok
+    if item_usable?
+      use_item
+    else
+      Sound.play_buzzer
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Actor [Cancel]
+  #--------------------------------------------------------------------------
+  def on_actor_cancel
+    hide_sub_window(@actor_window)
+  end
+  #--------------------------------------------------------------------------
+  # * Confirm Item
+  #--------------------------------------------------------------------------
+  def determine_item
+    if item.for_friend?
+      show_sub_window(@actor_window)
+      @actor_window.select_for_item(item)
+    else
+      use_item
+      activate_item_window
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Activate Item Window
+  #--------------------------------------------------------------------------
+  def activate_item_window
+    @item_window.refresh
+    @item_window.activate
+  end
+  #--------------------------------------------------------------------------
+  # * Get Array of Actors Targeted by Item Use
+  #--------------------------------------------------------------------------
+  def item_target_actors
+    if !item.for_friend?
+      []
+    elsif item.for_all?
+      $game_party.members
+    else
+      [$game_party.members[@actor_window.index]]
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Item is Usable
+  #--------------------------------------------------------------------------
+  def item_usable?
+    user.usable?(item) && item_effects_valid?
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Item Is Effective
+  #--------------------------------------------------------------------------
+  def item_effects_valid?
+    item_target_actors.any? do |target|
+      target.item_test(user, item)
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Use Item on Actor
+  #--------------------------------------------------------------------------
+  def use_item_to_actors
+    item_target_actors.each do |target|
+      item.repeats.times { target.item_apply(user, item) }
+    end
+  end
+  #--------------------------------------------------------------------------
+  # * Use Item
+  #--------------------------------------------------------------------------
+  def use_item
+    play_se_for_item
+    user.use_item(item)
+    use_item_to_actors
+    check_common_event
+    check_gameover
+    @actor_window.refresh
+  end
+  #--------------------------------------------------------------------------
+  # * Determine if Common Event Is Reserved
+  #    Transition to the map screen if the event call is reserved.
+  #--------------------------------------------------------------------------
+  def check_common_event
+    SceneManager.goto(Scene_Map) if $game_temp.common_event_reserved?
+  end
+end