请问一下SMA[300雅币]

 
stock CreateScreenFade(id, time, r, g, b, alpha) 
{ 
     message_begin(MSG_ONE, get_user_msgid("ScreenFade"), _, id) 
     write_short(time*1000) 
     write_short(time*1000) 
     write_short(1<<12) 
     write_byte(r) 
     write_byte(g) 
     write_byte(b) 
     write_byte(alpha) 
     message_end() 
}