////////////////////////////////////////////////////////////////////////////////
// Sentinel Column Heartbeat
////////////////////////////////////////////////////////////////////////////////
#include "x0_i0_spells"
void main()
{
  object oMe=OBJECT_SELF;
  int nC=1;
  object oPC=GetNearestObject(OBJECT_TYPE_CREATURE,oMe,nC);
  float fDist=GetDistanceBetween(oMe,oPC);
  effect eBeam=EffectBeam(VFX_BEAM_BLACK,oMe,BODY_NODE_CHEST);
  effect eVis=EffectVisualEffect(VFX_DUR_ULTRAVISION);
  int bInvis;
  ApplyEffectToObject(DURATION_TYPE_TEMPORARY,eVis,oMe,5.8);
  while(oPC!=OBJECT_INVALID&&fDist<=10.0)
  { // check nearby targets
    bInvis=FALSE;
    if (GetHasSpellEffect(SPELL_IMPROVED_INVISIBILITY, oPC) == TRUE)
    {
        RemoveAnySpellEffects(SPELL_IMPROVED_INVISIBILITY, oPC);
        bInvis=TRUE;
    }
    else
    if (GetHasSpellEffect(SPELL_INVISIBILITY, oPC) == TRUE)
    {
        RemoveAnySpellEffects(SPELL_INVISIBILITY, oPC);
        bInvis=TRUE;
    }
    if (bInvis==TRUE)
    { // beam effect
      ApplyEffectToObject(DURATION_TYPE_TEMPORARY,eBeam,oPC,3.0);
      SendMessageToPC(oPC,"Something in the area dispelled your invisibility.");
    } // beam effect
    nC++;
    oPC=GetNearestObject(OBJECT_TYPE_CREATURE,oMe,nC);
    fDist=GetDistanceBetween(oMe,oPC);
  } // check nearby targets

}