//::///////////////////////////////////////////////
//:: Elemental Shield
//:: NW_S0_FireShld.nss
//:: Copyright (c) 2001 Bioware Corp.
//:://////////////////////////////////////////////
/*
    Caster gains 50% cold and fire immunity.  Also anyone
    who strikes the caster with melee attacks takes
    1d6 + 1 per caster level in damage.
*/

/*
    Anphillia Changes
    In 3.5e, the spell is meant to let the caster choose Fire OR Cold immunity.
    In NWN, the caster is granted both immunities. Because of that, each
    immunity is set to 25%.
*/
//:://////////////////////////////////////////////
//:: Created By: Preston Watamaniuk
//:: Created On: Jan 7, 2002
//:://////////////////////////////////////////////
//:: Created On: Aug 28, 2003, GZ: Fixed stacking issue
#include "x2_inc_spellhook"
#include "x0_i0_spells"
void main()
{

/*
  Spellcast Hook Code
  Added 2003-06-23 by GeorgZ
  If you want to make changes to all spells,
  check x2_inc_spellhook.nss to find out more

*/

    if (!X2PreSpellCastCode())
    {
    // If code within the PreSpellCastHook (i.e. UMD) reports FALSE, do not run this spell
        return;
    }

// End of Spell Cast Hook


    //Declare major variables
    effect eVis = EffectVisualEffect(VFX_DUR_ELEMENTAL_SHIELD);
    int nDuration = GetCasterLevel(OBJECT_SELF);
    int nMetaMagic = GetMetaMagicFeat();
    object oTarget = OBJECT_SELF;
    effect eShield = EffectDamageShield(nDuration, DAMAGE_BONUS_1d6, DAMAGE_TYPE_FIRE);
    effect eDur = EffectVisualEffect(VFX_DUR_CESSATE_POSITIVE);
    effect eCold = EffectDamageImmunityIncrease(DAMAGE_TYPE_COLD, 25);
    effect eFire = EffectDamageImmunityIncrease(DAMAGE_TYPE_FIRE, 25);

    //Link effects
    effect eLink = EffectLinkEffects(eShield, eCold);
    eLink = EffectLinkEffects(eLink, eFire);
    eLink = EffectLinkEffects(eLink, eDur);
    eLink = EffectLinkEffects(eLink, eVis);

    //Fire cast spell at event for the specified target
    SignalEvent(oTarget, EventSpellCastAt(OBJECT_SELF, SPELL_ELEMENTAL_SHIELD, FALSE));

    //  *GZ: No longer stack this spell
    if (GetHasSpellEffect(GetSpellId(),oTarget))
    {
         RemoveSpellEffects(GetSpellId(), OBJECT_SELF, oTarget);
    }

    //Enter Metamagic conditions
    if (nMetaMagic == METAMAGIC_EXTEND)
    {
        nDuration = nDuration *2; //Duration is +100%
    }
    //Apply the VFX impact and effects
    ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eLink, oTarget, RoundsToSeconds(nDuration));
}