Weapon Icon Animation 4 Jet's Front View

#==============================================================================#
# ♥ Icon Animation
#==============================================================================#
# // • Created By    : IceDragon (rpgmakervxace.com)
# // • Modified By   : IceDragon (rpgmakervxace.com)
# // • Data Created  : 03/10/2012
# // • Data Modified : 03/10/2012
# // • Version       : 1.0
#==============================================================================#
# ● Change Log
#     ♣ 03/10/2012 V1.0
#         Started & Finished
#==============================================================================#
class Sprite::Icon < Sprite_Base
  attr_reader :icon_index
  def initialize( viewport=nil, icon_index=0 )
    super( viewport )
    @icon_index = icon_index
    self.bitmap = iconset
    update_icon()
  end
  def iconset
    Cache.system( "Iconset" )
  end
  def icon_index=( icon_index )
    @icon_index = icon_index
    self.bitmap = iconset
    update_icon()
  end
  def update_icon()
    self.src_rect.set( @icon_index % 16 * 24, @icon_index / 16 * 24, 24, 24 )
  end
end
class Cube
  attr_accessor :x, :y, :z
  attr_accessor :width, :length, :height
  def initialize(*args)
    set(*args)
  end
  def set( x=0, y=0, z=0, width=0, height=0, length=0 )
    self.x, self.y, self.z = x, y, z
    self.width, self.length, self.height = width, length, height
  end
  def set2( x=0, y=0, z=0, width=0, length=0, height=0 )
    self.x, self.y, self.z = x, y, z
    self.width, self.length, self.height = width, length, height
  end
  def to_a
    return self.x, self.y, self.z, self.width, self.height, self.length
  end
  def empty
    set()
  end
end
module Handler ; end
class Handler::SpriteEquip
  attr_reader :subject
  def initialize(subject)
    @subject    = subject
    @cube       = Cube.new(0,0,0,24,24,0) # // Width, Height aren't used yet
    reset()
  end
  def reset()
    self.ox,self.oy = 0, 0
    self.icon_index = 0
    self.angle_abs  = 0
    self.opacity    = 255
    self.visible    = false
  end
  attr_accessor :ox, :oy
  attr_accessor :icon_index
  attr_accessor :angle_abs
  attr_accessor :opacity
  attr_accessor :visible
  def subject_angle()
    case @subject.direction
    when 2
      0
    when 4
      -90
    when 6
      90
    when 8
      180 # // Err why? pole... thats why
    else
      0
    end
  end
  def angle
    angle_abs + subject_angle
  end
  def auto_oxy()
    self.ox, self.oy = 24, 24
  end
  def auto_xyz()
    h = (@subject.height * 0.8).to_i
    case @subject.direction
    when 2
      self.x, self.y = 8, h
      self.z = 1
    when 4
      self.x, self.y = 8, h
      self.z = -1
    when 6
      self.x, self.y = @subject.width-8, h
      self.z = 1
    when 8
      self.x, self.y = @subject.width-8, h
      self.z = -1
    end
  end
  def x
    @cube.x
  end
  def y
    @cube.y
  end
  def z
    @cube.z
  end
  def width
    @cube.width
  end
  def height
    @cube.height
  end
  def x=(n)
    @cube.x = n
  end
  def y=(n)
    @cube.y = n
  end
  def z=(n)
    @cube.z = n
  end
  def width=(n)
    @cube.width = n
  end
  def height=(n)
    @cube.height = n
  end
  # / Actual Sprite x, y, z
  def screen_x
    @subject.x + self.x - 16
  end
  def screen_y
    @subject.y + self.y - 32
  end
  def screen_z
    @subject.z + self.z
  end
  ACTIONS = {}
  ACTIONS["basicattack"] = proc do |hnd|
    hnd.auto_oxy()
    hnd.auto_xyz()
    hnd.visible = true
    base_angle  = 30
    hnd.icon_index = hnd.subject.weapon_icon
    for i in 0..90
      hnd.angle_abs = base_angle + i
      Fiber.yield if i % 9 == 0 # // 10 frames
    end
    hnd.visible = false
  end
  def do_action(&action)
    reset()
    @fiber = Fiber.new { call_action(&action) }
  end
  def call_action(&action)
    action.call(self)
    @fiber = nil
  end
  def update()
    @fiber.resume if(@fiber)
  end
  def busy?()
    !(@fiber).nil?()
  end
  def wait(n)
    n.times do Fiber.yield ; end
  end
end
class Sprite::WeaponIcon < Sprite::Icon
  def initialize(viewport,subject)
    super(viewport)
    @subject = subject # // Handler::SpriteEquip*
    pre_init()
    update()
  end
  def pre_init()
  end
  def update()
    super()
    self.x       = @subject.screen_x
    self.y       = @subject.screen_y
    self.z       = @subject.screen_z
    self.ox      = @subject.ox
    self.oy      = @subject.oy
    self.angle   = @subject.angle
    self.opacity = @subject.opacity
    self.visible = @subject.visible
    change_icon_index(@subject.icon_index)
  end
  def change_icon_index(n)
    self.icon_index = n unless(self.icon_index==n)
  end
end
# //
class Game_Battler
  def weapon_icon
    0
  end
end
class Game_Actor
  def weapon_icon
    w,=weapons.compact(); w ? w.icon_index : super()
  end
end
class Game_Enemy
  ENEMY_WEAPON_ICON = {}
  # //         enemy_id
  ENEMY_WEAPON_ICON[1] = 144 # // Axe ...
  def weapon_icon
    ENEMY_WEAPON_ICON[@enemy_id] || super()
  end
end
class Sprite_Character
  alias :icon_anim_initialize :initialize
  def initialize(*args,&block)
    icon_anim_initialize(*args,&block)
    @equip_handle = Handler::SpriteEquip.new(self)
    @equip_sprite = Sprite::WeaponIcon.new(self.viewport,@equip_handle)
  end
  attr_reader :equip_handle
  alias :es_viewport_s :viewport=
  def viewport=(*args,&block)
    es_viewport_s(*args,&block)
    @equip_sprite.viewport = self.viewport
  end
  def direction
    @character.direction
  end
  alias :es_update :update
  def update(*args,&block)
    es_update(*args,&block)
    @equip_handle.update() if(@equip_handle)
    @equip_sprite.update() if(@equip_sprite)
  end
  def weapon_icon()
    @battler.weapon_icon
  end
end
class Scene_Battle
  alias :es_show_attack_animation :show_attack_animation
  def show_attack_animation(targets)
    sprite = @subject.battle_sprite
    sprite.equip_handle.do_action(&Handler::SpriteEquip::ACTIONS["basicattack"])
    update_for_wait() while(sprite.equip_handle.busy?())
    es_show_attack_animation(targets)
  end
end
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