[Austin]

I have been using the following code to deny headshots to humans.
How would i modify this to reduce damage taken?
What I would like to do is deny all headshots and reduce all other damage to humans by half.

// ---------------------------------------------------------------------------------------
// TraceLine()
//
// Disallow headshot damange to human players 
// ---------------------------------------------------------------------------------------
void TraceLine(const float *v1, const float *v2, int fNoMonsters, edict_t *pentToSkip, TraceResult *ptr)
{
  TRACE_LINE(v1, v2, fNoMonsters, pentToSkip, ptr);
  if ( ((1<<HITGROUP_HEAD) & (1<<ptr->iHitgroup)) && 
		!(ptr->pHit->v.flags & FL_FAKECLIENT)	   )
  {
	// return no damage
	ptr->flFraction = 1.0;
	RETURN_META(MRES_SUPERCEDE);
  }
  else
  {
	RETURN_META(MRES_IGNORED);
  }
}