#==========================#
                          # Z17 Alternate HUD  v1.02 #
                          #===#==================#===#
                              #     by: Zetu     #
                              #==================#
                              
module Z17
  BATTLESYSTEM = 0
  #  0 = Default Battle System
  #  1 = Tankentai ATB
end

module N02
  ATB_PARTY_POSITION = []
  for i in 0...Game_Party::MAX_MEMBERS
    ATB_PARTY_POSITION.push([112 + i*128, 310])
  end
end

class Scene_Battle < Scene_Base
  
  alias z17_create_info_viewport create_info_viewport
  def create_info_viewport
    case Z17::BATTLESYSTEM
    when 0
      z17_create_info_viewport
      @info_viewport.rect.y -= 128
      @info_viewport.rect.height += 128
      @status_window.x -= 128
      @status_window.width += 128
      @status_window.y += 128
      @status_window.refresh
      @party_command_window.y += 72
      @party_command_window.column_max = @party_command_window.item_max
      @party_command_window.height = 56
      @party_command_window.width = @party_command_window.item_max*128
      @party_command_window.spacing = 0
      @party_command_window.create_contents
      @party_command_window.refresh
    when 1
      @command_members = []
      @action_battlers = []
      @info_viewport = Viewport.new(0, 288, 544, 128)
      @info_viewport.z = 100
      @status_window = Window_BattleStatus.new
      @party_command_window = Window_PartyCommand.new
      @actor_command_window = Window_ActorCommand.new
      @status_window.viewport = @info_viewport
      @actor_command_window.viewport = @info_viewport
      @status_window.x = 128
      @actor_command_window.x = 672
      @info_viewport.visible = false
      @party_command_window.visible = false
      @info_viewport.ox = 128
      #--------
      @info_viewport.rect.y -= 128
      @info_viewport.rect.height += 128
      @status_window.width += 128
      @status_window.y += 128
      @status_window.refresh
      @party_command_window.column_max = @party_command_window.item_max
      @party_command_window.height = 56
      @party_command_window.width *= @party_command_window.item_max
      @party_command_window.spacing = 0
      @party_command_window.create_contents
    end
  end
  
  alias z17_start_target_enemy_selection start_target_enemy_selection
  def start_target_enemy_selection
    case Z17::BATTLESYSTEM
    when 0
      @target_enemy_window = Window_TargetEnemy.new
      @target_enemy_window.y = @info_viewport.rect.y
      @actor_command_window.active = false
      @status_window.visible = false
      @target_enemy_window.width += 128
      @target_enemy_window.y += 128
    when 1
      z17_start_target_enemy_selection
    end
  end
  
  def end_target_enemy_selection
    @status_window.visible = true
    @target_enemy_window.dispose
    @target_enemy_window = nil
    if @actor_command_window.index == 0
      @actor_command_window.active = true
    end
  end
  
  alias z17_start_target_actor_selection start_target_actor_selection
  def start_target_actor_selection
    case Z17::BATTLESYSTEM
    when 0
      @target_actor_window = Window_BattleStatus.new
      @target_actor_window.index = 0
      @target_actor_window.active = true
      @target_actor_window.y = @info_viewport.rect.y + 128
      @target_actor_window.width += 128
      @target_actor_window.refresh
      @actor_command_window.active = false
      @status_window.visible = false
    when 1
      z17_start_target_actor_selection
    end
  end
  
  def end_target_actor_selection
    @target_actor_window.dispose
    @target_actor_window = nil
    @status_window.visible = true
  end
  
  def update_info_viewport
    @party_command_window.update
    @actor_command_window.update
    @status_window.update
    offset_party_window
    offset_command_window
  end
  
  if Z17::BATTLESYSTEM == 1
    alias z17_start_party_command start_party_command
    def start_party_command
      z17_start_party_command
      @party_command_window.column_max = @party_command_window.item_max
      @party_command_window.height = 56
      @party_command_window.width = @party_command_window.item_max*128
      @party_command_window.spacing = 0
      @party_command_window.create_contents
      @party_command_window.refresh
    end
  end
  
  def offset_party_window
    case Z17::BATTLESYSTEM
    when 0; a, b = [0, -@party_command_window.width]
    when 1; a, b = [0, -@party_command_window.width]
    end
    if @party_command_window.active and @party_command_window.x < a
      @party_command_window.x += 16
    elsif @actor_command_window.active and @party_command_window.x > b
      @party_command_window.x -= 16
    end
  end
  
  def offset_command_window
    case Z17::BATTLESYSTEM
    when 0; a, b = [544 - @actor_command_window.width, 544]
    when 1; a, b = [672 - @actor_command_window.width, 672]
    end
    if @actor_command_window.active and @actor_command_window.x > a
      @actor_command_window.x -= 16
    elsif (@party_command_window.active or !@skill_window.nil?) and @actor_command_window.x < b
      @actor_command_window.x += 16
    end
  end
  
end

class Window_Selectable < Window_Base
  attr_writer :column_max
  attr_writer :spacing
end

class Window_BattleStatus < Window_Selectable
  
  alias zreq_initialize initialize
  def initialize
    zreq_initialize
    @column_max = Game_Party::MAX_MEMBERS
  end
  
  def refresh
    self.contents.clear
    @item_max = $game_party.members.size
    create_contents
    for i in 0...@item_max
      draw_item(i)
    end
  end
  
  def draw_item(index)
    rect = Rect.new(index*size_x+4, 0, size_x-8, 96)
    self.contents.clear_rect(rect)
    self.contents.font.color = normal_color
    actor = $game_party.members[index]
    x = rect.x
    y = rect.y
    draw_face_z17(actor, x, y)
    draw_actor_name(actor, x, y-6)
    draw_actor_state(actor, x, y+40, 48)
    draw_actor_hp(actor, x, y+58, size_x-8)
    draw_actor_mp(actor, x, y+74, size_x-8)
  end
  
  def draw_face_z17(actor, x, y)
    if size_x > 96
      ws = (size_x-96) / 2
      draw_actor_face(actor, x+ws, y, 64, 96)
    else
      draw_actor_face(actor, x, y, size_x, 96)
    end
  end
  
  def size_x
    if $game_party.members.size > 4
      return 512 / $game_party.members.size
    else
      return 128
    end
  end
  
  def update_cursor
    if @index < 0
      self.cursor_rect.empty
    else
      rect = Rect.new(index*size_x, 0, size_x, 96)
      self.cursor_rect = rect
    end
  end
  
end

class Window_Base < Window
  
  def draw_face(face_name, face_index, x, y, size1 = 96, size2 = 96)
    bitmap = Cache.face(face_name)
    rect = Rect.new(0, 0, 0, 0)
    rect.x = face_index % 4 * 96 + (96 - size2) / 2
    rect.y = face_index / 4 * 96 + (96 - size1) / 2
    rect.width = size2
    rect.height = size1
    self.contents.blt(x, y, bitmap, rect)
    bitmap.dispose
  end
  
  def draw_actor_face(actor, x, y, size1 = 96, size2 = -1)
    size2 = size1 if size2 == -1
    draw_face(actor.face_name, actor.face_index, x, y, size1, size2)
  end
  
end