1

server/gameserver/creature.cc

@@ -383,6 +383,9 @@ void InternalShot(Creature* c,
     if (c->HasBuffEffect(kBET_Hide)) {
         c->RemoveBuffByEffectId(kBET_Hide);
     }
+    if (trace_target_uniid) {
+        c->LockAttackDir(1000);
+    }
     if (c->aiming) {
         c->aiming = false;
         c->aiming_frameno = 0;
@@ -3612,3 +3615,24 @@ void Creature::AddTraceBullet(int bullet_uniid, int target_uniid, int gun_id)
          },
          &xtimer_attacher.timer_list_);
 }
+
+void Creature::LockAttackDir(int time)
+{
+    IncDisableAttackDirTimes();
+    room->xtimer.AddDeadLineTimerAndAttach
+        (
+         time / FRAME_RATE_MS,
+         a8::XParams()
+         .SetSender(this),
+         [] (const a8::XParams& param)
+         {
+             Creature* c = (Creature*)param.sender.GetUserData();
+         },
+         &xtimer_attacher.timer_list_,
+         [] (const a8::XParams& param)
+         {
+             Creature* c = (Creature*)param.sender.GetUserData();
+             c->DecDisableAttackDirTimes();
+         }
+         );
+}

server/gameserver/creature.h

@@ -277,6 +277,7 @@ class Creature : public MoveableEntity
     void RecalcDtoAttr();
     void AutoNavigation(a8::Vec2 target_pos, float speed);
     void AddTraceBullet(int bullet_uniid, int target_uniid, int gun_id);
+    void LockAttackDir(int time);
 
 protected:
     virtual void OnBuffRemove(Buff& buff);

server/gameserver/player.cc

@@ -547,6 +547,10 @@ void Player::Shot()
             GetPos().Distance(target->GetPos()) < GetCurrWeapon()->meta->i->trace_range()
             ) {
             target_uniid = trace_target_uniid;
+            a8::Vec2 attack_dir = target->GetPos() - GetPos();
+            attack_dir.Normalize();
+            SetAttackDir(attack_dir);
+            target_dir = attack_dir;
         }
     }
     Creature::Shot(target_dir, shot_ok, fly_distance, target_uniid);