//::///////////////////////////////////////////////
//:: Dilto (Darkness)
//:: dilto.nss
//:: Copyright (c) 2025 WizardryEE Project
//:://////////////////////////////////////////////
/*
    Increases the armor class of a monster group by 2
    for the duration of the combat.
    Level 2 Mage spell.

    In Wizardry: Proving Grounds of the Mad Overlord,
    this is a Level 2 Mage disable spell that targets
    a monster group.
*/
//:://////////////////////////////////////////////
//:: Created By: WizardryEE Project
//:: Created On: April 26, 2025
//:://////////////////////////////////////////////

#include "prc_inc_spells"
#include "prc_add_spell_dc"

void main()
{
    // Spell implementation for WizardryEE
    // Core functionality: Cone of cold damage to enemies

    // Spellcast Hook Code
    if (!X2PreSpellCastCode()) return;

    // Set spell school for proper record keeping
    PRCSetSchool(SPELL_SCHOOL_EVOCATION);

    // Declare major variables
    object oCaster = OBJECT_SELF;
    int nCasterLevel = PRCGetCasterLevel(oCaster);
    int nMetaMagic = PRCGetMetaMagicFeat();
    int nPenetr = nCasterLevel + SPGetPenetr();
    int nDamage;
    float fDelay;

    // Limit caster level for damage purposes
    if (nCasterLevel > 10)
    {
        nCasterLevel = 10; // Cap at 10d6 damage
    }

    // Get the target location
    location lTargetLocation = PRCGetSpellTargetLocation();

    // Create the cone effect
    effect eVis = EffectVisualEffect(VFX_IMP_FROST_L);

    // Get the elemental damage type (default to cold)
    int EleDmg = ChangedElementalDamage(oCaster, DAMAGE_TYPE_COLD);

    // Declare the spell shape, size and the location
    object oTarget = MyFirstObjectInShape(SHAPE_SPELLCONE, 11.0, lTargetLocation, TRUE, OBJECT_TYPE_CREATURE | OBJECT_TYPE_DOOR | OBJECT_TYPE_PLACEABLE);

    // Track affected targets
    int nAffected = 0;

    // Cycle through the targets within the spell shape
    while (GetIsObjectValid(oTarget))
    {
        if (spellsIsTarget(oTarget, SPELL_TARGET_STANDARDHOSTILE, oCaster))
        {
            // Fire cast spell at event for the specified target
            SignalEvent(oTarget, EventSpellCastAt(oCaster, GetSpellId()));

            // Get the distance between the target and caster to delay the application of effects
            fDelay = GetDistanceBetween(oCaster, oTarget)/20.0;

            // Make SR check
            if (!PRCDoResistSpell(oCaster, oTarget, nPenetr, fDelay) && (oTarget != oCaster))
            {
                // Calculate damage - 1d6 per caster level (max 10d6)
                if (CheckMetaMagic(nMetaMagic, METAMAGIC_MAXIMIZE))
                {
                    nDamage = 6 * nCasterLevel; // Maximum damage
                }
                else
                {
                    nDamage = d6(nCasterLevel);
                }

                if (CheckMetaMagic(nMetaMagic, METAMAGIC_EMPOWER))
                {
                    nDamage += nDamage / 2; // +50% damage
                }

                // Add bonus damage per die
                nDamage += SpellDamagePerDice(oCaster, nCasterLevel);

                // Adjust damage according to Reflex Save, Evasion or Improved Evasion
                nDamage = PRCGetReflexAdjustedDamage(nDamage, oTarget, PRCGetSaveDC(oTarget, oCaster), SAVING_THROW_TYPE_COLD);

                if (nDamage > 0)
                {
                    // Create the damage effect
                    effect eCold = PRCEffectDamage(oTarget, nDamage, EleDmg);

                    // Apply delayed effects
                    DelayCommand(fDelay, SPApplyEffectToObject(DURATION_TYPE_INSTANT, eVis, oTarget));
                    DelayCommand(fDelay, SPApplyEffectToObject(DURATION_TYPE_INSTANT, eCold, oTarget));

                    // Apply any bonus damage effects
                    PRCBonusDamage(oTarget);

                    // Increment affected count
                    nAffected++;
                }
            }
        }

        // Select the next target within the spell shape
        oTarget = MyNextObjectInShape(SHAPE_SPELLCONE, 11.0, lTargetLocation, TRUE, OBJECT_TYPE_CREATURE | OBJECT_TYPE_DOOR | OBJECT_TYPE_PLACEABLE);
    }

    // Final notification
    if (nAffected > 0)
    {
        FloatingTextStringOnCreature("DILTO: Cold damage to " + IntToString(nAffected) + " enemies!", oCaster, TRUE);
    }
    else
    {
        FloatingTextStringOnCreature("DILTO: No enemies affected", oCaster, TRUE);
    }

    // Clean up spell school variable
    PRCSetSchool();
}