Use friendly hits only for player's followers (bug #4984)

CHANGELOG.md

@@ -64,6 +64,7 @@
     Bug #4972: Player is able to use quickkeys while disableplayerfighting is active
     Bug #4979: AiTravel maximum range depends on "actors processing range" setting
     Bug #4980: Drowning mechanics is applied for actors indifferently from distance to player
+    Bug #4984: "Friendly hits" feature should be used only for player's followers
     Feature #2229: Improve pathfinding AI
     Feature #3442: Default values for fallbacks from ini file
     Feature #3610: Option to invert X axis

apps/openmw/mwmechanics/mechanicsmanagerimp.cpp

@@ -1476,14 +1476,15 @@ namespace MWMechanics
 
     bool MechanicsManager::actorAttacked(const MWWorld::Ptr &target, const MWWorld::Ptr &attacker)
     {
-        if (target == getPlayer() || !attacker.getClass().isActor())
+        const MWWorld::Ptr& player = getPlayer();
+        if (target == player || !attacker.getClass().isActor())
             return false;
 
+        MWMechanics::CreatureStats& statsTarget = target.getClass().getCreatureStats(target);
+        if (attacker == player)
+        {
             std::set<MWWorld::Ptr> followersAttacker;
             getActorsSidingWith(attacker, followersAttacker);
-
-        MWMechanics::CreatureStats& statsTarget = target.getClass().getCreatureStats(target);
-
             if (followersAttacker.find(target) != followersAttacker.end())
             {
                 statsTarget.friendlyHit();
@@ -1494,14 +1495,15 @@ namespace MWMechanics
                     return false;
                 }
             }
+        }
 
         if (canCommitCrimeAgainst(target, attacker))
             commitCrime(attacker, target, MWBase::MechanicsManager::OT_Assault);
 
         AiSequence& seq = statsTarget.getAiSequence();
 
-        if (!attacker.isEmpty() && (attacker.getClass().getCreatureStats(attacker).getAiSequence().isInCombat(target)
-                                    || attacker == getPlayer())
+        if (!attacker.isEmpty()
+            && (attacker.getClass().getCreatureStats(attacker).getAiSequence().isInCombat(target) || attacker == player)
             && !seq.isInCombat(attacker))
         {
             // Attacker is in combat with us, but we are not in combat with the attacker yet. Time to fight back.
@@ -1512,7 +1514,7 @@ namespace MWMechanics
                 // he will attack the player only if we will force him (e.g. via StartCombat console command)
                 bool peaceful = false;
                 std::string script = target.getClass().getScript(target);
-                if (!script.empty() && target.getRefData().getLocals().hasVar(script, "onpchitme") && attacker == getPlayer())
+                if (!script.empty() && target.getRefData().getLocals().hasVar(script, "onpchitme") && attacker == player)
                 {
                     int fight = std::max(0, target.getClass().getCreatureStats(target).getAiSetting(CreatureStats::AI_Fight).getModified());
                     peaceful = (fight == 0);