[VX2A]SkillInteraction By FenixFyreX

# // Skill Interaction By FenixFyreX
# // Ported to RMVXA By IceDragon
# // Date Ported  : 04/06/2012
# // Port Version : 1.0
# // To use:
# //  put:
# //    <interact id>
# //    <interact id, id, id...>
# //  in an event comment.
# //  EG1. <interact 51>
# //  EG2. <interact 51, 65, 98, 129>
module Interaction
  BUTTONS = [:X, :Y, :A, :F5]
  # Do you want to use the HUD?
  USE_HUD = true
  # What icon shows on unassigned buttons?
  NA_ICONINDEX = 359
  # What button opens the Interaction HUD?
  OPEN_HUD_BUTTON = Input::F6
end
class Game_Player < Game_Character
  alias stop_c_button_interact check_event_trigger_there
  def check_event_trigger_there(*args,&block)
    return false if($game_map.interpreter.running?)
    result = false
    front_x = $game_map.x_with_direction(@x, @direction)
    front_y = $game_map.y_with_direction(@y, @direction)
    for event in $game_map.events_xy(front_x, front_y)
      return false if(event.custom_skill_interact?)
    end
    stop_c_button_interact(*args,&block)
  end
  def update_nonmoving(last_moving)
    return if($game_map.interpreter.running?)
    return if(moving?)
    return if(check_touch_event) if(last_moving)
    return if(update_interaction)
    update_encounter if(last_moving)
  end
  def update_interaction
    return if($game_message.busy? || $game_message.visible)
    if Input.trigger?(:C)
      return true if(get_on_off_vehicle)
      return true if(check_action_event)
    end
    Interaction::BUTTONS.each do |button|
      check_event_trigger_interaction(button) if(Input.trigger?(button))
    end
  end
  def can_start_event_interact(event,button)
    return false unless(event.custom_skill_interact?())
    return(event.interact_comment?(true).include?($game_party.equipped_skills[button]))
  end
  def check_event_trigger_interaction(button)
    return false if($game_map.interpreter.running?)
    result = false
    front_x = $game_map.x_with_direction(@x, @direction)
    front_y = $game_map.y_with_direction(@y, @direction)
    for event in $game_map.events_xy(front_x, front_y)
      if can_start_event_interact(event,button)
        event.start
        result = true
      end
    end
    if(!result and $game_map.counter?(front_x, front_y))
      front_x = $game_map.x_with_direction(front_x, @direction)
      front_y = $game_map.y_with_direction(front_y, @direction)
      for event in $game_map.events_xy(front_x, front_y)
        if triggers.include?(event.trigger) and event.priority_type == 1
          event.start
          result = true
        end
      end
    end
    return result
  end
end
class Game_Event < Game_Character
  alias eqkls_setup_page setup_page
  def setup_page(*args,&block)
    eqkls_setup_page(*args,&block)
    @interact_comment = nil
    interact_comment?(true)
  end
  def custom_skill_interact?()
    return interact_comment?(false)
  end
  def interact_comment?(return_data=false)
    if(@interact_comment.nil?)
      @interact_comment = false if(@interact_comment.nil?())
      if(@list)
        comment_a = [108,408]
        for item in @list
          next unless(comment_a.include?(item.code))
          case(item.parameters.join(""))
          when /<interact[ ]*(\d+(?:\s*,\s*\d+)*)>/i
            id_int = $1.to_s.scan(/(\d+)/i).collect{|i|i.join("").to_i}
            @interact_comment = id_int
          end
        end
      end
    end
    return return_data ? @interact_comment : !!@interact_comment
  end
end
class Game_Party < Game_Unit
  attr_accessor :equipped_skills
  alias initialize_equip_skills initialize
  def initialize(*args,&block)
    initialize_equip_skills(*args,&block)
    @equipped_skills = {}
  end
  def party_skills
    return members.inject([]){|r,m|r+m.skills.collect{|s|s ? s.id : 0}}.uniq
  end
  def equip_skill(button, id)
    return if @equipped_skills[button] == id
    return unless party_skills.include? id
    return if max_skill_equip(button, id)
    @equipped_skills[button] = id
  end
  def max_skill_equip(button, id)
    if(@equipped_skills.keys.size >= Interaction::BUTTONS.size)
      return true if(!@equipped_skills.keys.include?(button))
    end
    return false
  end
  alias remove_actor_quip_skills remove_actor
  def remove_actor(*args,&block)
    remove_actor_quip_skills(*args,&block)
    skls = party_skills
    @equipped_skills.each_pair { |key,value|
      @equipped_skills[key] = nil unless(skls.include?(value))
    }
  end
end
class Scene_Skill
  def equip_skill(button)
    item = @item_window.item
    $game_party.equip_skill(button, item ? item.id : 0)
    if($game_party.equipped_skills.keys.include?(button))
      Sound.play_ok
      show_equipped_message(button, item)
    else
      Sound.play_buzzer
    end
  end
  def show_equipped_message(button, item)
    @item_window.deactivate
    name = item ? item.name : ""
    butn = button.to_s
    txt = sprintf('%s was equipped to %s.', name, butn)
    @help_window.set_text(txt)
    40.times { update_basic }
    @item_window.activate
  end
  alias skleq_update update
  def update()
    skleq_update()
    update_skill_equip() if(@item_window.active)
  end
  def update_skill_equip
    Interaction::BUTTONS.each{|button|equip_skill(button) if(Input.trigger?(button))}
  end
end
if Interaction::USE_HUD
class Interact_HUD < Window_Base
  def initialize
    super(0,Graphics.height,Graphics.width,64)
    @buttons = nil
    refresh
  end
  def refresh
    self.contents.clear
    @buttons = $game_party.equipped_skills
    @item_max = Interaction::BUTTONS.size
    for i in 0..@item_max-1
      draw_item(i)
    end
  end
  def item_rect(index)
    rect = Rect.new(0,0,0,0)
    rect.width = Graphics.width / @item_max
    rect.height = 32
    rect.x = index*(Graphics.width/@item_max)
    rect.y = 0
    return rect
  end
  def draw_item(index)
    rect = item_rect(index)
    button = Interaction::BUTTONS[index]
    butn = button.to_s
    draw_text(rect, butn, 0)
    indx = $game_party.equipped_skills[button]
    skl  = indx ? $data_skills[indx] : nil
    cw = self.contents.text_size(butn).width+8
    if(skl)
      draw_item_name(skl,rect.x+cw,rect.y+4)
    else
      draw_icon(Interaction::NA_ICONINDEX,rect.x+cw,rect.y+4)
    end
  end
  def update()
    super()
    refresh if(@buttons != $game_party.equipped_skills)
  end
end
class Scene_Map
  alias initialize_interaction start
  def start
    initialize_interaction
    @inter_win = Interact_HUD.new
  end
  alias update_interact_hud update
  def update
    update_interact_hud
    update_inter_win_input
    @inter_win.update if(@inter_win)
  end
  def update_inter_win_input
    return if $game_map.interpreter.running?
    return if @message_window.openness > 0
    if Input.press?(Interaction::OPEN_HUD_BUTTON)
      @inter_win.y -= 4 unless @inter_win.y <= (Graphics.height-@inter_win.height)
    else
      @inter_win.y += 4 unless @inter_win.y >= Graphics.height
    end
  end
  alias terminate_interwin pre_terminate
  def terminate
    @inter_win.dispose if(@inter_win)
    terminate_interwin
  end
end
end # // USE_HUD
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