In the first map, play the intro at first time only, skip the intro after the 2nd

smoker tongue bug fix

changed to the special infecteds didn't react to the boomer's vomit.
Moved the smoker's urgent shot judgment position from the head to the tongue's start point.
Damage is inflicted on survivors when dragged to the smoker's tongue.
The tank's defense increases while the tank is climbing wall or throwing rocks (Lv4 and above)
Jockey jumps when he is shot. (Lv4 and above)
When survivor was dominated by special infected, survivor's damage from commons was raised a little bit.

Tank spawn ai fix (Tank may be spawned in shallow water)
The delay increased for the deceased survivor to be rescued from the closet.

tank ai fix

hunter lunge fix

bug fix

hunter ai fix

tank AI fix

Added hint message when tank hits on door