[Client] Prevent NPCs from attacking a player engaged in dialogue

apps/openmw/mwmechanics/aicombataction.cpp

@@ -13,6 +13,16 @@
 #include "../mwworld/actionequip.hpp"
 #include "../mwworld/cellstore.hpp"
 
+/*
+    Start of tes3mp addition
+
+    Include additional headers for multiplayer purposes
+*/
+#include "../mwgui/windowmanagerimp.hpp"
+/*
+    End of tes3mp addition
+*/
+
 #include "npcstats.hpp"
 #include "spellcasting.hpp"
 #include "combat.hpp"
@@ -754,6 +764,23 @@ namespace MWMechanics
         ESM::Position actorPos = actor.getRefData().getPosition();
         ESM::Position enemyPos = enemy.getRefData().getPosition();
 
+        /*
+            Start of tes3mp addition
+
+            Because multiplayer doesn't pause the world during dialogue, disallow fights with
+            a player engaged in dialogue
+        */
+        if (enemy == MWBase::Environment::get().getWorld()->getPlayerPtr())
+        {
+            if (MWBase::Environment::get().getWindowManager()->containsMode(MWGui::GM_Dialogue))
+            {
+                return false;
+            }
+        }
+        /*
+            End of tes3mp addition
+        */
+
         const CreatureStats& enemyStats = enemy.getClass().getCreatureStats(enemy);
         if (enemyStats.getMagicEffects().get(ESM::MagicEffect::Invisibility).getMagnitude() > 0
                 || enemyStats.getMagicEffects().get(ESM::MagicEffect::Chameleon).getMagnitude() > 0)