请教一下，这个脚本是干嘛用的，因为没有任何注释。 - Project1

module RPG
class Sprite < ::Sprite
def animation_set_sprites(sprites, cell_data, position, invisible = false)
if invisible
for i in 0..15
sprites[i].visible = false
end
return
end
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 - 225
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 update_loop_animation
if @_animation_duration > 0
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,true)
else
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
end
end
end

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