nav: restore fix fall timer removed in last major pr

inc/yapb.h

@@ -377,6 +377,7 @@ private:
    CountdownTimer m_forgetLastVictimTimer {}; // time to forget last victim position ?
    CountdownTimer m_approachingLadderTimer {}; // bot is approaching ladder
    CountdownTimer m_lostReachableNodeTimer {}; // bot's issuing next node, probably he's lost
+   CountdownTimer m_fixFallTimer {}; // timer we're fixed fall last time
    CountdownTimer m_repathTimer {}; // bots is going to repath his route
 
 private:

src/manager.cpp

@@ -1603,6 +1603,7 @@ void Bot::newRound () {
    m_approachingLadderTimer.invalidate ();
    m_forgetLastVictimTimer.invalidate ();
    m_lostReachableNodeTimer.invalidate ();
+   m_fixFallTimer.invalidate ();
    m_repathTimer.invalidate ();
 
    for (auto &timer : m_chatterTimes) {

src/navigate.cpp

@@ -935,7 +935,7 @@ void Bot::checkFall () {
       }
    }
 
-   if (!m_checkFall || !isOnFloor ()) {
+   if (!m_checkFall || !isOnFloor () || !m_fixFallTimer.elapsed ()) {
       return;
    }
    m_checkFall = false;
@@ -962,6 +962,8 @@ void Bot::checkFall () {
    if (fixFall) {
       m_currentNodeIndex = kInvalidNodeIndex;
       findValidNode ();
+
+      m_fixFallTimer.start (1.0f);
    }
 }
 

src/vision.cpp

@@ -433,7 +433,7 @@ void Bot::setAimDirection () {
       }
 
       // don't switch view right away after loosing focus with current enemy 
-      if (m_seeEnemyTime + 1.5f > game.time ()
+      if ((m_shootTime + rg (1.0f, 1.5f) > game.time () || m_seeEnemyTime + 1.5f > game.time ())
          && m_forgetLastVictimTimer.elapsed ()
          && !m_lastEnemyOrigin.empty ()
          && util.isAlive (m_lastEnemy)