Add target lock to melee combat

Config/DefaultEngine.ini

@@ -112,6 +112,7 @@ ManualIPAddress=
 +Profiles=(Name="Vehicle",CollisionEnabled=QueryAndPhysics,bCanModify=False,ObjectTypeName="Vehicle",CustomResponses=,HelpMessage="Vehicle object that blocks Vehicle, WorldStatic, and WorldDynamic. All other channels will be set to default.")
 +Profiles=(Name="UI",CollisionEnabled=QueryOnly,bCanModify=False,ObjectTypeName="WorldDynamic",CustomResponses=((Channel="WorldStatic",Response=ECR_Overlap),(Channel="Pawn",Response=ECR_Overlap),(Channel="Visibility"),(Channel="WorldDynamic",Response=ECR_Overlap),(Channel="Camera",Response=ECR_Overlap),(Channel="PhysicsBody",Response=ECR_Overlap),(Channel="Vehicle",Response=ECR_Overlap),(Channel="Destructible",Response=ECR_Overlap)),HelpMessage="WorldStatic object that overlaps all actors by default. All new custom channels will use its own default response. ")
 +DefaultChannelResponses=(Channel=ECC_GameTraceChannel1,DefaultResponse=ECR_Block,bTraceType=False,bStaticObject=False,Name="Projectile")
++DefaultChannelResponses=(Channel=ECC_GameTraceChannel2,DefaultResponse=ECR_Block,bTraceType=False,bStaticObject=False,Name="Enemy")
 -ProfileRedirects=(OldName="BlockingVolume",NewName="InvisibleWall")
 -ProfileRedirects=(OldName="InterpActor",NewName="IgnoreOnlyPawn")
 -ProfileRedirects=(OldName="StaticMeshComponent",NewName="BlockAllDynamic")