//::///////////////////////////////////////////////
//:: 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.
*/
//:://////////////////////////////////////////////
//:: Created By: Preston Watamaniuk
//:: Created On: Jan 7, 2002
//:://////////////////////////////////////////////

/*
bugfix by Grant Beaty 2002.08.31
- could stack
*/

#include "NW_I0_SPELLS"
#include "prc_inc_spells"

void main()
{
    //Declare major variables
    effect eVis = EffectVisualEffect(VFX_DUR_ELEMENTAL_SHIELD);
    int nDuration = PRCGetCasterLevel(OBJECT_SELF);
    int nMetaMagic = PRCGetMetaMagicFeat();
    object oTarget = OBJECT_SELF;
    effect eShield = EffectRegenerate(3, 6.0);
    effect eDur = EffectVisualEffect(VFX_DUR_CESSATE_POSITIVE);
    effect eCold = EffectDamageImmunityIncrease(DAMAGE_TYPE_COLD, 50);
    effect eFire = EffectDamageImmunityIncrease(DAMAGE_TYPE_FIRE, 50);

    //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));

    //Enter Metamagic conditions
    if (nMetaMagic == METAMAGIC_EXTEND)
    {
        nDuration = nDuration *2; //Duration is +100%
    }

    //If there is already a fire shield in effect, remove it.
    if(GetHasSpellEffect(PRCGetSpellId(), oTarget))
      RemoveSpellEffects(PRCGetSpellId(), oTarget, oTarget);

    //Apply the VFX impact and effects
    ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eLink, oTarget, RoundsToSeconds(nDuration));
}