PRC8/nwn/trunk/spells/sp_flensing.nss

#include "prc_inc_spells"
#include "prc_add_spell_dc"

//
// This function runs the flensing effect for a round, then recursing itself one
// round later to do the effect again.  It relies on a dummy VFX_DUR_CESSAGE_NEGATIVE
// visual effect to act as the spell's timer, expiring itself when the effect
// expires.
//
void RunFlensing(object oCaster, object oTarget, int nSaveDC,
    int nMetaMagic, int nSpellID, float fDuration)
{
    // If our timer spell effect has worn off (or been dispelled) then we are
    // done, just exit.
    if (PRCGetDelayedSpellEffectsExpired(nSpellID, oTarget, oCaster)) return;

    // If the target is dead then there is no point in going any further.
    if (GetIsDead(oTarget)) return;

    // Figure out what blood color to use.  This is just guessing in my part.
    int nChunkVfx = VFX_COM_CHUNK_RED_MEDIUM;
    switch(MyPRCGetRacialType(oTarget))
    {
        case RACIAL_TYPE_ABERRATION:
        case RACIAL_TYPE_HUMANOID_GOBLINOID:
        case RACIAL_TYPE_HUMANOID_ORC:
        case RACIAL_TYPE_OUTSIDER:
            nChunkVfx = VFX_COM_CHUNK_GREEN_MEDIUM;
            break;
        case RACIAL_TYPE_OOZE:
        case RACIAL_TYPE_CONSTRUCT:
        case RACIAL_TYPE_UNDEAD:
            nChunkVfx = VFX_COM_CHUNK_YELLOW_MEDIUM;
            break;
    }

    // The nasty stuff, 2d6 damage, 1d6 cha/con damage, fort save to
    // half damage and negate stat damage.
    int nDamage = PRCGetMetaMagicDamage(DAMAGE_TYPE_MAGICAL, 2, 6, 0, 0, nMetaMagic);
    nDamage += SpellDamagePerDice(oCaster, 2);
    int nConDrain = PRCGetMetaMagicDamage(DAMAGE_TYPE_MAGICAL, 1, 8, 0, 0, nMetaMagic);
    int nChaDrain = PRCGetMetaMagicDamage(DAMAGE_TYPE_MAGICAL, 1, 8, 0, 0, nMetaMagic);
    effect eDamage;
    if (PRCMySavingThrow(SAVING_THROW_FORT, oTarget, nSaveDC, SAVING_THROW_TYPE_SPELL))
    {
	    if (GetHasMettle(oTarget, SAVING_THROW_FORT))
	        return;

        eDamage = PRCEffectDamage(oTarget, nDamage / 2);
    }
    else
    {
        eDamage = PRCEffectDamage(oTarget, nDamage);
        /*eDamage = EffectLinkEffects(eDamage,
            EffectAbilityDecrease(ABILITY_CONSTITUTION, nConDrain));
        eDamage = EffectLinkEffects(eDamage,
            EffectAbilityDecrease(ABILITY_CHARISMA, nChaDrain));*/
        ApplyAbilityDamage(oTarget, ABILITY_CONSTITUTION, nConDrain, DURATION_TYPE_PERMANENT, TRUE);
        ApplyAbilityDamage(oTarget, ABILITY_CHARISMA,     nChaDrain, DURATION_TYPE_PERMANENT, TRUE);
    }

    // Add vfx to the damage effect chain.
    eDamage = EffectLinkEffects(eDamage, EffectVisualEffect(VFX_IMP_NEGATIVE_ENERGY));
    eDamage = EffectLinkEffects(eDamage, EffectVisualEffect(nChunkVfx));

    // Apply the damage and vfx to the target.
    SPApplyEffectToObject(DURATION_TYPE_INSTANT, eDamage, oTarget);

    // Decrement our duration counter by a round and if we still have time left keep
    // going.
    fDuration -= RoundsToSeconds(1);
    if (fDuration > 0.0)
        DelayCommand(RoundsToSeconds(1), RunFlensing(oCaster, oTarget, nSaveDC, nMetaMagic, nSpellID, fDuration));
}


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

    PRCSetSchool(SPELL_SCHOOL_EVOCATION);

    object oTarget = PRCGetSpellTargetObject();
    if (spellsIsTarget(oTarget, SPELL_TARGET_STANDARDHOSTILE, OBJECT_SELF) && PRCGetIsAliveCreature(oTarget))
    {
        // Get the target and raise the spell cast event.
        PRCSignalSpellEvent(oTarget);

        if (!PRCDoResistSpell(OBJECT_SELF, oTarget))
        {
            // Determine the spell's duration, taking metamagic feats into account.
            float fDuration = PRCGetMetaMagicDuration(RoundsToSeconds(4));

            // Apply a persistent vfx to the target, we make him glow red.
            // RunFlensing uses our persistant vfx to determine it's duration.
            SPApplyEffectToObject(DURATION_TYPE_TEMPORARY,
                EffectVisualEffect(VFX_DUR_GLOW_RED), oTarget, fDuration,FALSE);

            // Apply impact vfx.
            SPApplyEffectToObject(DURATION_TYPE_INSTANT,
                EffectVisualEffect(VFX_IMP_DEATH), oTarget);

            // Stick OBJECT_SELF into a local because it's a function under the hood,
            // and we need a real object reference.
            object oCaster = OBJECT_SELF;
            DelayCommand(1.0, RunFlensing(oCaster, oTarget, PRCGetSaveDC(oTarget,OBJECT_SELF),
                PRCGetMetaMagicFeat(), PRCGetSpellId(), fDuration));
        }
    }

    PRCSetSchool();
}