fix: try bots jittering between walls (ref #620)

fix: more tweaks to bot's don't attack with knife problem (ref #617)

src/combat.cpp

@@ -1396,6 +1396,7 @@ void Bot::attackMovement () {
    if (!game.is (GameFlags::CSDM)) {
       if ((m_states & Sense::SeeingEnemy)
          && approach < 30
+         && !isKnifeMode ()
          && !bots.isBombPlanted ()
          && (isInViewCone (m_enemy->v.origin) || m_isVIP)) {
 
@@ -1540,6 +1541,12 @@ void Bot::attackMovement () {
          }
       }
 
+      // do not move if inside "corridor"
+      if (wallOnRight && wallOnLeft) {
+         m_strafeSpeed = 0.0f;
+         m_strafeSetTime = game.time () + 3.0f;
+      }
+
       // we're setting strafe speed regardless of move angles, so not resetting forward move here cause bots to behave strange
       if (!usesKnife () && approach >= 30) {
          m_moveSpeed = 0.0f;