//::///////////////////////////////////////////////
//:: Name      Chilling Tentacles - OnEnter
//:: FileName  inv_chilltenta.nss
//::///////////////////////////////////////////////

#include "prc_inc_combmove"
#include "inv_inc_invfunc"

void DecrementTentacleCount(object oTarget, string sVar)
{
    SetLocalInt(oTarget, sVar, GetLocalInt(oTarget, sVar) - 1);
}

void main()
{
    object oCaster = GetAreaOfEffectCreator();
    object oTarget = GetEnteringObject();
    int nInvokerLevel = GetInvokerLevel(oCaster, CLASS_TYPE_WARLOCK);
    int nPenetr = SPGetPenetrAOE(oCaster, nInvokerLevel);
    if(spellsIsTarget(oTarget, SPELL_TARGET_STANDARDHOSTILE , oCaster)
        && !GetCreatureFlag(oTarget, CREATURE_VAR_IS_INCORPOREAL)
        && oTarget != oCaster)
    {
        //Fire cast spell at event for the target
        SignalEvent(oTarget, EventSpellCastAt(oCaster, INVOKE_CHILLING_TENTACLES));
        //Apply reduced movement effect and VFX_Impact
        //firstly, make them half-speed
        SPApplyEffectToObject(DURATION_TYPE_PERMANENT, EffectMovementSpeedDecrease(50), oTarget);

        if(!PRCDoResistSpell(oCaster, oTarget, nPenetr))
        {
            //apply cold damage
            effect eColdDamage = EffectDamage(d6(2), DAMAGE_TYPE_COLD);
            eColdDamage = EffectLinkEffects(eColdDamage, EffectVisualEffect(VFX_IMP_FROST_S));
            SPApplyEffectToObject(DURATION_TYPE_INSTANT, eColdDamage, oTarget);
        }

        //now do grappling and stuff
        //cant already be grappled so no need to check that
        int nGrappleSucessful = FALSE;
        //this spell doesnt need to make a touch attack
        //as defined in the spell
        int nAttackerGrappleMod = nInvokerLevel+8;
        nGrappleSucessful = _DoGrappleCheck(OBJECT_INVALID, oTarget, nAttackerGrappleMod);
        if(nGrappleSucessful)
        {
            //now being grappled
            AssignCommand(oTarget, ClearAllActions());
            effect eHold = EffectCutsceneImmobilize();
            effect eEntangle = EffectVisualEffect(VFX_DUR_SPELLTURNING_R);
            effect eLink = EffectLinkEffects(eHold, eEntangle);
            //eLink = EffectKnockdown();
            SPApplyEffectToObject(DURATION_TYPE_TEMPORARY, eLink, oTarget, 6.0);
            SetLocalInt(oTarget, "GrappledBy_"+ObjectToString(OBJECT_SELF),
                GetLocalInt(oTarget, "GrappledBy_"+ObjectToString(OBJECT_SELF))+1);
            DelayCommand(6.1, DecrementTentacleCount(oTarget, "GrappledBy_"+ObjectToString(OBJECT_SELF)));
        }
    }
}