Broken aim prediction code.

//The function
    Void HandleTargetPrediction (Actor Projectile, Vector2 SpreadHorz, Vector2 SpreadVert)
    {
        Vector3 OldVel;
        If (!Projectile || !Target) Return;

        //Target has no velocity for VelIntercept to work with. This is almost always the case for normal NPCs, which move using small teleport steps, instead of actual movement.
        If ((Target.Vel.X == 0 && Target.Vel.Y == 0 && Target.Vel.Z == 0))
        {
            OldVel = Target.Vel;
            //Temporarily change the zero velocity actors' vel to the difference between their current and last ticks' position.
            //If (TicsSinceLastMove)
            //{ Target.Vel = Level.Vec3Diff (Target.Pos,LastEnemyPosition) / TicsSinceLastMove;a_log ("divided");}
            //Else
                Target.Vel = Level.Vec3Diff (Target.Pos,LastEnemyPosition);
            If ((Target.Vel.X == 0 && Target.Vel.Y == 0 && Target.Vel.Z == 0)) //Still no velocity
            {a_log ("no velocity still, falling back to normal aiming");
                Projectile.Angle += FRandom (SpreadHorz.X,SpreadHorz.Y);
                Projectile.Pitch += FRandom (SpreadVert.X,SpreadVert.Y);
                //Projectile.Vel3DFromAngle (Projectile.Speed,Projectile.Angle,Projectile.Pitch);
                Target.Vel = OldVel;
                Return; //Just add in the projectile spread and finish.
            }
            Console.Printf ("The targets' current pos is: %f, %f, %f",Target.Pos.X,Target.Pos.Y,Target.Pos.Z);
            Console.Printf ("The targets' last pos was: %f, %f, %f",LastEnemyPosition.X,LastEnemyPosition.Y,LastEnemyPosition.Z);
            Console.Printf ("The targets' velocity is now: %f, %f, %f",Target.Vel.X,Target.Vel.Y,Target.Vel.Z);
            Console.Printf ("TicsSinceLastMove is: %d",TicsSinceLastMove);
            Console.Printf ("==============================================");
            Projectile.VelIntercept (Target);
            //Projectile.Angle += FRandom (SpreadHorz.X,SpreadHorz.Y);
            //Projectile.Pitch += FRandom (SpreadVert.X,SpreadVert.Y);
            Projectile.Vel3DFromAngle (Projectile.Speed,Projectile.Angle,Projectile.Pitch);
            Target.Vel = OldVel;
        }
        //Target has velocity, like if it's a player or a custom actor with velocity-based movement.
        Else
            Projectile.VelIntercept (Target);
    }

//The Tick() override on the shooter.

    Override Void Tick()
    {
        Actor.Tick();

        /*If (Target && Target.Pos == LastEnemyPosition)
            TicsSinceLastMove++;
        Else
            TicsSinceLastMove = 0;
        */
        If (Target && Target.Pos != LastEnemyPosition) LastEnemyPosition = Target.Pos;

        //Unrelated stuff.
        If (!Master || IsFrozen() || IsDead(Self) && bFallOnDeath) Return;

        SetOrigin (Master.Vec3Offset(TurretOffsets.X,TurretOffsets.Y,Master.Height+TurretOffsets.Z),True);
    }