Project1

标题: 看不懂Sprite 模块絮语集 [打印本页]

作者: kvkv97 时间: 2015-7-13 22:15
标题: 看不懂Sprite 模块絮语集
module RPG
  class Sprite < ::Sprite
问题1：  ::Sprite是什么？
@@_animations = []
@@_reference_count = {}
def initialize(viewport = nil)
问题2：viewport 为什么要设定为nil？

   super(viewport)
   @_whiten_duration = 0
   @_appear_duration = 0
   @_escape_duration = 0
   @_collapse_duration = 0
   @_damage_duration = 0
   @_animation_duration = 0
   @_blink = false
end
def dispose
   dispose_damage
   dispose_animation
   dispose_loop_animation
   super
end
def whiten
   self.blend_type = 0
   self.color.set(255, 255, 255, 128)
   self.opacity = 255
   @_whiten_duration = 16
   @_appear_duration = 0
   @_escape_duration = 0
   @_collapse_duration = 0
end
问题3：能不能给我独行解释下意思？
def appear
   self.blend_type = 0
   self.color.set(0, 0, 0, 0)
   self.opacity = 0
   @_appear_duration = 16
   @_whiten_duration = 0
   @_escape_duration = 0
   @_collapse_duration = 0
end
def escape
   self.blend_type = 0
   self.color.set(0, 0, 0, 0)
   self.opacity = 255
   @_escape_duration = 32
   @_whiten_duration = 0
   @_appear_duration = 0
   @_collapse_duration = 0
end
def collapse
   self.blend_type = 1
   self.color.set(255, 64, 64, 255)
   self.opacity = 255
   @_collapse_duration = 48
   @_whiten_duration = 0
   @_appear_duration = 0
   @_escape_duration = 0
end
def damage(value, critical)
   dispose_damage
   if value.is_a?(Numeric)
      damage_string = value.abs.to_s
   else
      damage_string = value.to_s
   end
   bitmap = Bitmap.new(160, 48)
   bitmap.font.name = "Arial Black"
   bitmap.font.size = 32
   bitmap.font.color.set(0, 0, 0)
   bitmap.draw_text(-1, 12-1, 160, 36, damage_string, 1)
   bitmap.draw_text(+1, 12-1, 160, 36, damage_string, 1)
   bitmap.draw_text(-1, 12+1, 160, 36, damage_string, 1)
   bitmap.draw_text(+1, 12+1, 160, 36, damage_string, 1)
   if value.is_a?(Numeric) and value < 0
      bitmap.font.color.set(176, 255, 144)
   else
      bitmap.font.color.set(255, 255, 255)
   end
   bitmap.draw_text(0, 12, 160, 36, damage_string, 1)
   if critical
      bitmap.font.size = 20
      bitmap.font.color.set(0, 0, 0)
      bitmap.draw_text(-1, -1, 160, 20, "CRITICAL", 1)
      bitmap.draw_text(+1, -1, 160, 20, "CRITICAL", 1)
      bitmap.draw_text(-1, +1, 160, 20, "CRITICAL", 1)
      bitmap.draw_text(+1, +1, 160, 20, "CRITICAL", 1)
      bitmap.font.color.set(255, 255, 255)
      bitmap.draw_text(0, 0, 160, 20, "CRITICAL", 1)
   end
   @_damage_sprite = ::Sprite.new(self.viewport)
   @_damage_sprite.bitmap = bitmap
   @_damage_sprite.ox = 80
   @_damage_sprite.oy = 20
   @_damage_sprite.x = self.x
   @_damage_sprite.y = self.y - self.oy / 2
   @_damage_sprite.z = 3000
   @_damage_duration = 40
end
def animation(animation, hit)
   dispose_animation
   @_animation = animation
   return if @_animation == nil
   @_animation_hit = hit
   @_animation_duration = @_animation.frame_max
   animation_name = @_animation.animation_name
   animation_hue = @_animation.animation_hue
   bitmap = RPG::Cache.animation(animation_name, animation_hue)
   if @@_reference_count.include?(bitmap)
      @@_reference_count[bitmap] += 1
   else
      @@_reference_count[bitmap] = 1
   end
   @_animation_sprites = []
   if @_animation.position != 3 or not @@_animations.include?(animation)
      for i in 0..15
      sprite = ::Sprite.new(self.viewport)
      sprite.bitmap = bitmap
      sprite.visible = false
      @_animation_sprites.push(sprite)
      end
      unless @@_animations.include?(animation)
      @@_animations.push(animation)
      end
   end
   update_animation
end
def loop_animation(animation)
   return if animation == @_loop_animation
   dispose_loop_animation
   @_loop_animation = animation
   return if @_loop_animation == nil
   @_loop_animation_index = 0
   animation_name = @_loop_animation.animation_name
   animation_hue = @_loop_animation.animation_hue
   bitmap = RPG::Cache.animation(animation_name, animation_hue)
   if @@_reference_count.include?(bitmap)
      @@_reference_count[bitmap] += 1
   else
      @@_reference_count[bitmap] = 1
   end
   @_loop_animation_sprites = []
   for i in 0..15
      sprite = ::Sprite.new(self.viewport)
      sprite.bitmap = bitmap
      sprite.visible = false
      @_loop_animation_sprites.push(sprite)
   end
   update_loop_animation
end
def dispose_damage
   if @_damage_sprite != nil
      @_damage_sprite.bitmap.dispose
      @_damage_sprite.dispose
      @_damage_sprite = nil
      @_damage_duration = 0
   end
end
def dispose_animation
   if @_animation_sprites != nil
      sprite = @_animation_sprites[0]
      if sprite != nil
      @@_reference_count[sprite.bitmap] -= 1
      if @@_reference_count[sprite.bitmap] == 0
         sprite.bitmap.dispose
      end
      end
      for sprite in @_animation_sprites
      sprite.dispose
      end
      @_animation_sprites = nil
      @_animation = nil
   end
end
def dispose_loop_animation
   if @_loop_animation_sprites != nil
      sprite = @_loop_animation_sprites[0]
      if sprite != nil
      @@_reference_count[sprite.bitmap] -= 1
      if @@_reference_count[sprite.bitmap] == 0
         sprite.bitmap.dispose
      end
      end
      for sprite in @_loop_animation_sprites
      sprite.dispose
      end
      @_loop_animation_sprites = nil
      @_loop_animation = nil
   end
end
def blink_on
   unless @_blink
      @_blink = true
      @_blink_count = 0
   end
end
def blink_off
   if @_blink
      @_blink = false
      self.color.set(0, 0, 0, 0)
   end
end
def blink?
   @_blink
end
def effect?
   @_whiten_duration > 0 or
   @_appear_duration > 0 or
   @_escape_duration > 0 or
   @_collapse_duration > 0 or
   @_damage_duration > 0 or
   @_animation_duration > 0
end
def update
   super
   if @_whiten_duration > 0
      @_whiten_duration -= 1
      self.color.alpha = 128 - (16 - @_whiten_duration) * 10
   end
   if @_appear_duration > 0
      @_appear_duration -= 1
      self.opacity = (16 - @_appear_duration) * 16
   end
   if @_escape_duration > 0
      @_escape_duration -= 1
      self.opacity = 256 - (32 - @_escape_duration) * 10
   end
   if @_collapse_duration > 0
      @_collapse_duration -= 1
      self.opacity = 256 - (48 - @_collapse_duration) * 6
   end
   if @_damage_duration > 0
      @_damage_duration -= 1
      case @_damage_duration
      when 38..39
      @_damage_sprite.y -= 4
      when 36..37
      @_damage_sprite.y -= 2
      when 34..35
      @_damage_sprite.y += 2
      when 28..33
      @_damage_sprite.y += 4
      end
      @_damage_sprite.opacity = 256 - (12 - @_damage_duration) * 32
      if @_damage_duration == 0
      dispose_damage
      end
   end
   if @_animation != nil and (Graphics.frame_count % 2 == 0)
      @_animation_duration -= 1
      update_animation
   end
   if @_loop_animation != nil and (Graphics.frame_count % 2 == 0)
      update_loop_animation
      @_loop_animation_index += 1
      @_loop_animation_index %= @_loop_animation.frame_max
   end
   if @_blink
      @_blink_count = (@_blink_count + 1) % 32
      if @_blink_count < 16
      alpha = (16 - @_blink_count) * 6
      else
      alpha = (@_blink_count - 16) * 6
      end
      self.color.set(255, 255, 255, alpha)
   end
   @@_animations.clear
end
def update_animation
   if @_animation_duration > 0
      frame_index = @_animation.frame_max - @_animation_duration
      cell_data = @_animation.frames[frame_index].cell_data
      position = @_animation.position
      animation_set_sprites(@_animation_sprites, cell_data, position)
      for timing in @_animation.timings
      if timing.frame == frame_index
         animation_process_timing(timing, @_animation_hit)
      end
      end
   else
      dispose_animation
   end
end
def update_loop_animation
   frame_index = @_loop_animation_index
   cell_data = @_loop_animation.frames[frame_index].cell_data
   position = @_loop_animation.position
   animation_set_sprites(@_loop_animation_sprites, cell_data, position)
   for timing in @_loop_animation.timings
      if timing.frame == frame_index
      animation_process_timing(timing, true)
      end
   end
end
def animation_set_sprites(sprites, cell_data, position)
   for i in 0..15
      sprite = sprites[i]
      pattern = cell_data[i, 0]
      if sprite == nil or pattern == nil or pattern == -1
      sprite.visible = false if sprite != nil
      next
      end
      sprite.visible = true
      sprite.src_rect.set(pattern % 5 * 192, pattern / 5 * 192, 192, 192)
      if position == 3
      if self.viewport != nil
         sprite.x = self.viewport.rect.width / 2
         sprite.y = self.viewport.rect.height - 160
      else
         sprite.x = 320
         sprite.y = 240
      end
      else
      sprite.x = self.x - self.ox + self.src_rect.width / 2
      sprite.y = self.y - self.oy + self.src_rect.height / 2
      sprite.y -= self.src_rect.height / 4 if position == 0
      sprite.y += self.src_rect.height / 4 if position == 2
      end
      sprite.x += cell_data[i, 1]
      sprite.y += cell_data[i, 2]
      sprite.z = 2000
      sprite.ox = 96
      sprite.oy = 96
      sprite.zoom_x = cell_data[i, 3] / 100.0
      sprite.zoom_y = cell_data[i, 3] / 100.0
      sprite.angle = cell_data[i, 4]
      sprite.mirror = (cell_data[i, 5] == 1)
      sprite.opacity = cell_data[i, 6] * self.opacity / 255.0
      sprite.blend_type = cell_data[i, 7]
   end
end
def animation_process_timing(timing, hit)
   if (timing.condition == 0) or
      (timing.condition == 1 and hit == true) or
      (timing.condition == 2 and hit == false)
      if timing.se.name != ""
      se = timing.se
      Audio.se_play("Audio/SE/" + se.name, se.volume, se.pitch)
      end
      case timing.flash_scope
      when 1
      self.flash(timing.flash_color, timing.flash_duration * 2)
      when 2
      if self.viewport != nil
         self.viewport.flash(timing.flash_color, timing.flash_duration * 2)
      end
      when 3
      self.flash(nil, timing.flash_duration * 2)
      end
   end
end
def x=(x)
   sx = x - self.x
   if sx != 0
      if @_animation_sprites != nil
      for i in 0..15
         @_animation_sprites[i].x += sx
      end
      end
      if @_loop_animation_sprites != nil
      for i in 0..15
         @_loop_animation_sprites[i].x += sx
      end
      end
   end
   super
end
def y=(y)
   sy = y - self.y
   if sy != 0
      if @_animation_sprites != nil
      for i in 0..15
         @_animation_sprites[i].y += sy
      end
      end
      if @_loop_animation_sprites != nil
      for i in 0..15
         @_loop_animation_sprites[i].y += sy
      end
      end
   end
   super
end
  end
end

作者: taroxd 时间: 2015-7-14 07:10
1. ::Sprite 是顶层命名空间的 Sprite
2. 默认参数，可以不用提供。
3. 前三行见F1的Sprite，后四行就是把对应的变量赋值

作者: 冷峻逸 时间: 2015-7-14 11:22
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