Core/AI: added a function to allow 0 damage attacks (sparring) depending on target

(cherry picked from commit 3a2ecaa05f0a3da96b3d4a0bec44175d6a7dda6a)

2 files changed, 10 insertions, 2 deletions

diff --git a/src/server/game/AI/CoreAI/UnitAI.cpp b/src/server/game/AI/CoreAI/UnitAI.cpp
index 21d15731b11..124361f0c07 100644
--- a/src/server/game/AI/CoreAI/UnitAI.cpp
+++ b/src/server/game/AI/CoreAI/UnitAI.cpp
@@ -65,14 +65,20 @@ void UnitAI::DoMeleeAttackIfReady()
     //Make sure our attack is ready and we aren't currently casting before checking distance
     if (me->isAttackReady())
     {
-        me->AttackerStateUpdate(victim);
+        if (ShouldSparWith(victim))
+            me->FakeAttackerStateUpdate(victim);
+        else
+            me->AttackerStateUpdate(victim);
 
         me->resetAttackTimer();
     }
 
     if (me->haveOffhandWeapon() && me->isAttackReady(OFF_ATTACK))
     {
-        me->AttackerStateUpdate(victim, OFF_ATTACK);
+        if (ShouldSparWith(victim))
+            me->FakeAttackerStateUpdate(victim, OFF_ATTACK);
+        else
+            me->AttackerStateUpdate(victim, OFF_ATTACK);
 
         me->resetAttackTimer(OFF_ATTACK);
     }
diff --git a/src/server/game/AI/CoreAI/UnitAI.h b/src/server/game/AI/CoreAI/UnitAI.h
index 0145233e3c9..9ffee6c146c 100644
--- a/src/server/game/AI/CoreAI/UnitAI.h
+++ b/src/server/game/AI/CoreAI/UnitAI.h
@@ -265,6 +265,8 @@ class TC_GAME_API UnitAI
         void DoCastVictim(uint32 spellId, bool triggered = false);
         void DoCastAOE(uint32 spellId, bool triggered = false);
 
+        virtual bool ShouldSparWith(Unit const* /*target*/) const { return false; }
+
         void DoMeleeAttackIfReady();
         bool DoSpellAttackIfReady(uint32 spellId);