关于XP计时器的问题 - Project1

#==============================================================================
# ■ Sprite_Timer
#------------------------------------------------------------------------------
# 　显示计时器用的活动块。监视 $game_system 、活动块状态
# 自动变化。
#==============================================================================
class Sprite_Timer < Sprite
#--------------------------------------------------------------------------
# ● 初始化对像
#--------------------------------------------------------------------------
def initialize
super
@use_decimal = false
if @use_decimal
self.bitmap = Bitmap.new(126, 32)
else
self.bitmap = Bitmap.new(90, 32)
end
self.x = 640 - self.bitmap.width
self.y = 0
self.z = 500
update
end
#--------------------------------------------------------------------------
# ● 释放
#--------------------------------------------------------------------------
def dispose
if self.bitmap != nil
self.bitmap.dispose
end
super
end
#--------------------------------------------------------------------------
# ● 刷新画面
#--------------------------------------------------------------------------
def update
super
# 设置计时器执行中为可见
self.visible = $game_system.timer_working
# 如果有必要再次描绘计时器
if $game_system.timer * 10 / Graphics.frame_rate != @total_sec
# 计算总计秒数
@total_sec = $game_system.timer * 10 / Graphics.frame_rate
# 生成计时器显示用字符串
min = @total_sec / 600
sec = (@total_sec % 600) / 10
dec = @total_sec % 10
# 使用小数的情况下，总是刷新
if @use_decimal
text = sprintf("%02d:%02d.%1d", min, sec, dec)
# 不使用小数，只有小数为是0 5 7 8 9时才刷新
elsif dec > 6 or dec == 0
text = sprintf("%02d:%02d", min, sec)
elsif dec == 5
text = sprintf("%02d %02d", min, sec)
end
# 需要刷新的情况下
if text != nil
# 清除位图
self.bitmap.clear
# 切割时间字符串
timer_array = text.scan(/./).reverse
# 从右向左填充
x = self.bitmap.width - 18
# 如果10秒内用红色，60秒内用黄色，其他时间用绿色
if @total_sec < 100
rect_y = 64
elsif @total_sec < 600
rect_y = 32
else
rect_y = 0
end
# 循环每一个字符填充位图
is_dec = @use_decimal
is_changing = true
for char in timer_array
if char == ":"
bitmap.blt(x, 0, RPG::Cache.picture("Timer"),
Rect.new(180, rect_y, 18, 32))
elsif char == "."
bitmap.blt(x, 0, RPG::Cache.picture("Timer"),
Rect.new(198, rect_y, 18, 32))
is_dec = false
elsif char != " "
timer_x = char.to_i * 18
# 需要显示完整数字的情况下
if is_dec or !is_changing or dec < 8
bitmap.blt(x, 0, RPG::Cache.picture("Timer"),
Rect.new(timer_x, rect_y, 18, 32))
# 显示滑动数字
elsif dec == 9
timer_x_old = (char.to_i + 1) % 10 * 18
bitmap.blt(x, 11, RPG::Cache.picture("Timer"),
Rect.new(timer_x_old, rect_y, 18, 21))
bitmap.blt(x, 0, RPG::Cache.picture("Timer"),
Rect.new(timer_x, rect_y + 21, 18, 11))
is_changing = false if char.to_i < 9
elsif dec == 8
timer_x_old = (char.to_i + 1) % 10 * 18
bitmap.blt(x, 21, RPG::Cache.picture("Timer"),
Rect.new(timer_x_old, rect_y, 18, 11))
bitmap.blt(x, 0, RPG::Cache.picture("Timer"),
Rect.new(timer_x, rect_y + 11, 18, 21))
is_changing = false if char.to_i < 9
end
end
x -= 18
end
end
end
end
end

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