spell_dh.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
/*
 * Scripts for spells with SPELLFAMILY_DEMONHUNTER and SPELLFAMILY_GENERIC spells used by demon hunter players.
 * Ordered alphabetically using scriptname.
 * Scriptnames of files in this file should be prefixed with "spell_dh_".
 */
 
#include "AreaTrigger.h"
#include "AreaTriggerAI.h"
#include "Containers.h"
#include "DB2Stores.h"
#include "PathGenerator.h"
#include "Player.h"
#include "ScriptMgr.h"
#include "Spell.h"
#include "SpellAuraEffects.h"
#include "SpellAuras.h"
#include "SpellHistory.h"
#include "SpellMgr.h"
#include "SpellScript.h"
#include "TaskScheduler.h"
#include <numeric>
 
enum DemonHunterSpells
{
    SPELL_DH_ABYSSAL_STRIKE                        = 207550,
    SPELL_DH_ANNIHILATION                          = 201427,
    SPELL_DH_ANNIHILATION_MH                       = 227518,
    SPELL_DH_ANNIHILATION_OH                       = 201428,
    SPELL_DH_ARMY_UNTO_ONESELF                     = 442714,
    SPELL_DH_AWAKEN_THE_DEMON_WITHIN_CD            = 207128,
    SPELL_DH_BLADE_WARD                            = 442715,
    SPELL_DH_BLUR                                  = 212800,
    SPELL_DH_BLUR_TRIGGER                          = 198589,
    SPELL_DH_BURNING_ALIVE                         = 207739,
    SPELL_DH_BURNING_ALIVE_TARGET_SELECTOR         = 207760,
    SPELL_DH_CALCIFIED_SPIKES_TALENT               = 389720,
    SPELL_DH_CALCIFIED_SPIKES_MOD_DAMAGE           = 391171,
    SPELL_DH_CHAOS_NOVA                            = 179057,
    SPELL_DH_CHAOS_STRIKE                          = 162794,
    SPELL_DH_CHAOS_STRIKE_ENERGIZE                 = 193840,
    SPELL_DH_CHAOS_STRIKE_MH                       = 222031,
    SPELL_DH_CHAOS_STRIKE_OH                       = 199547,
    SPELL_DH_CHAOS_THEORY_TALENT                   = 389687,
    SPELL_DH_CHAOS_THEORY_CRIT                     = 390195,
    SPELL_DH_CHAOTIC_TRANSFORMATION                = 388112,
    SPELL_DH_CHARRED_WARBLADES_HEAL                = 213011,
    SPELL_DH_COLLECTIVE_ANGUISH                    = 390152,
    SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM           = 391057,
    SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM_DAMAGE    = 391058,
    SPELL_DH_COLLECTIVE_ANGUISH_FEL_DEVASTATION    = 393831,
    SPELL_DH_CONSUME_ENERGIZE                      = 1261710,
    SPELL_DH_CONSUME_SOUL_DEVOURER                 = 1223423,
    SPELL_DH_CONSUME_SOUL_HAVOC_DEMON              = 228556,
    SPELL_DH_CONSUME_SOUL_HAVOC_LESSER             = 228542,
    SPELL_DH_CONSUME_SOUL_HAVOC_SHATTERED          = 228540,
    SPELL_DH_CONSUME_SOUL_VENGEANCE_DEMON          = 210050,
    SPELL_DH_CONSUME_SOUL_VENGEANCE_LESSER         = 208014,
    SPELL_DH_CONSUME_SOUL_VENGEANCE_SHATTERED      = 210047,
    SPELL_DH_CULL_DAMAGE                           = 1245455,
    SPELL_DH_CYCLE_OF_HATRED_TALENT                = 258887,
    SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION    = 1214887,
    SPELL_DH_CYCLE_OF_HATRED_REMOVE_STACKS         = 1214890,
    SPELL_DH_DARKGLARE_BOON                        = 389708,
    SPELL_DH_DARKGLARE_BOON_ENERGIZE               = 391345,
    SPELL_DH_DARKNESS_ABSORB                       = 209426,
    SPELL_DH_DEFLECTING_SPIKES                     = 321028,
    SPELL_DH_DEMON_BLADES_DMG                      = 203796,
    SPELL_DH_DEMON_MUZZLE_PROC                     = 394933,
    SPELL_DH_DEMON_SPIKES                          = 203819,
    SPELL_DH_DEMON_SPIKES_TRIGGER                  = 203720,
    SPELL_DH_DEMONIC                               = 213410,
    SPELL_DH_DEMONIC_APPETITE                      = 206478,
    SPELL_DH_DEMONIC_APPETITE_ENERGIZE             = 210041,
    SPELL_DH_DEMONIC_ORIGINS                       = 235893,
    SPELL_DH_DEMONIC_ORIGINS_BUFF                  = 235894,
    SPELL_DH_DEMONIC_TRAMPLE_DMG                   = 208645,
    SPELL_DH_DEMONIC_TRAMPLE_STUN                  = 213491,
    SPELL_DH_DEMONS_BITE                           = 162243,
    SPELL_DH_ELYSIAN_DECREE                        = 306830,
    SPELL_DH_ELYSIAN_DECREE_AOE                    = 307046,
    SPELL_DH_ENDURING_TORMENT_BUFF                 = 453314,
    SPELL_DH_ERADICATE_DAMAGE                      = 1225827,
    SPELL_DH_ERADICATE_DAMAGE_METAMORPHOSIS        = 1279200,
    SPELL_DH_ESSENCE_BREAK_DEBUFF                  = 320338,
    SPELL_DH_EYE_BEAM                              = 198013,
    SPELL_DH_EYE_BEAM_DAMAGE                       = 198030,
    SPELL_DH_EYE_OF_LEOTHERAS_DMG                  = 206650,
    SPELL_DH_FEAST_OF_SOULS                        = 207697,
    SPELL_DH_FEAST_OF_SOULS_PERIODIC_HEAL          = 207693,
    SPELL_DH_FEED_THE_DEMON                        = 218612,
    SPELL_DH_FEL_BARRAGE                           = 211053,
    SPELL_DH_FEL_BARRAGE_DMG                       = 211052,
    SPELL_DH_FEL_BARRAGE_PROC                      = 222703,
    SPELL_DH_FEL_DEVASTATION                       = 212084,
    SPELL_DH_FEL_DEVASTATION_DMG                   = 212105,
    SPELL_DH_FEL_DEVASTATION_HEAL                  = 212106,
    SPELL_DH_FEL_FLAME_FORTIFICATION_TALENT        = 389705,
    SPELL_DH_FEL_FLAME_FORTIFICATION_MOD_DAMAGE    = 393009,
    SPELL_DH_FEL_RUSH                              = 195072,
    SPELL_DH_FEL_RUSH_DMG                          = 192611,
    SPELL_DH_FEL_RUSH_GROUND                       = 197922,
    SPELL_DH_FEL_RUSH_WATER_AIR                    = 197923,
    SPELL_DH_FELBLADE                              = 232893,
    SPELL_DH_FELBLADE_CHARGE                       = 213241,
    SPELL_DH_FELBLADE_COOLDOWN_RESET_PROC_HAVOC    = 236167,
    SPELL_DH_FELBLADE_COOLDOWN_RESET_PROC_VENGEANCE= 203557,
    SPELL_DH_FELBLADE_COOLDOWN_RESET_PROC_VISUAL   = 204497,
    SPELL_DH_FELBLADE_DAMAGE                       = 213243,
    SPELL_DH_FIERY_BRAND                           = 204021,
    SPELL_DH_FIERY_BRAND_RANK_2                    = 320962,
    SPELL_DH_FIERY_BRAND_DEBUFF_RANK_1             = 207744,
    SPELL_DH_FIERY_BRAND_DEBUFF_RANK_2             = 207771,
    SPELL_DH_FIRST_BLOOD                           = 206416,
    SPELL_DH_FLAME_CRASH                           = 227322,
    SPELL_DH_FRAILTY                               = 224509,
    SPELL_DH_FURIOUS_GAZE                          = 343311,
    SPELL_DH_FURIOUS_GAZE_BUFF                     = 343312,
    SPELL_DH_FURIOUS_THROWS                        = 393029,
    SPELL_DH_GLAIVE_TEMPEST                        = 342857,
    SPELL_DH_GLIDE                                 = 131347,
    SPELL_DH_GLIDE_DURATION                        = 197154,
    SPELL_DH_GLIDE_KNOCKBACK                       = 196353,
    SPELL_DH_HAVOC_MASTERY                         = 185164,
    SPELL_DH_ILLIDANS_GRASP                        = 205630,
    SPELL_DH_ILLIDANS_GRASP_DAMAGE                 = 208618,
    SPELL_DH_ILLIDANS_GRASP_JUMP_DEST              = 208175,
    SPELL_DH_IMMOLATION_AURA                       = 258920,
    SPELL_DH_INNER_DEMON_BUFF                      = 390145,
    SPELL_DH_INNER_DEMON_DAMAGE                    = 390137,
    SPELL_DH_INNER_DEMON_TALENT                    = 389693,
    SPELL_DH_INFERNAL_STRIKE_CAST                  = 189110,
    SPELL_DH_INFERNAL_STRIKE_IMPACT_DAMAGE         = 189112,
    SPELL_DH_INFERNAL_STRIKE_JUMP                  = 189111,
    SPELL_DH_JAGGED_SPIKES                         = 205627,
    SPELL_DH_JAGGED_SPIKES_DMG                     = 208790,
    SPELL_DH_JAGGED_SPIKES_PROC                    = 208796,
    SPELL_DH_MANA_RIFT_DMG_POWER_BURN              = 235904,
    SPELL_DH_METAMORPHOSIS                         = 191428,
    SPELL_DH_METAMORPHOSIS_DEVOURER_TRANSFORM      = 1217607,
    SPELL_DH_METAMORPHOSIS_DUMMY                   = 191427,
    SPELL_DH_METAMORPHOSIS_IMPACT_DAMAGE           = 200166,
    SPELL_DH_METAMORPHOSIS_RESET                   = 320645,
    SPELL_DH_METAMORPHOSIS_TRANSFORM               = 162264,
    SPELL_DH_METAMORPHOSIS_VENGEANCE_TRANSFORM     = 187827,
    SPELL_DH_MOMENTUM                              = 208628,
    SPELL_DH_MOMENT_OF_CRAVING_TALENT              = 1238488,
    SPELL_DH_MOMENT_OF_CRAVING_BUFF                = 1238495,
    SPELL_DH_MONSTER_RISING_AGILITY                = 452550,
    SPELL_DH_NEMESIS_ABERRATIONS                   = 208607,
    SPELL_DH_NEMESIS_BEASTS                        = 208608,
    SPELL_DH_NEMESIS_CRITTERS                      = 208609,
    SPELL_DH_NEMESIS_DEMONS                        = 208608,
    SPELL_DH_NEMESIS_DRAGONKIN                     = 208610,
    SPELL_DH_NEMESIS_ELEMENTALS                    = 208611,
    SPELL_DH_NEMESIS_GIANTS                        = 208612,
    SPELL_DH_NEMESIS_HUMANOIDS                     = 208605,
    SPELL_DH_NEMESIS_MECHANICALS                   = 208613,
    SPELL_DH_NEMESIS_UNDEAD                        = 208614,
    SPELL_DH_PAINBRINGER_DUMMY                     = 225413,
    SPELL_DH_PAINBRINGER_STACK                     = 212988,
    SPELL_DH_RAIN_FROM_ABOVE                       = 206803,
    SPELL_DH_RAIN_OF_CHAOS                         = 205628,
    SPELL_DH_RAIN_OF_CHAOS_IMPACT                  = 232538,
    SPELL_DH_RAZOR_SPIKES                          = 210003,
    SPELL_DH_REAP                                  = 1226019,
    SPELL_DH_REAP_DAMAGE                           = 1225823,
    SPELL_DH_REPEAT_DECREE_CONDUIT                 = 339895,
    SPELL_DH_RESTLESS_HUNTER_TALENT                = 390142,
    SPELL_DH_RESTLESS_HUNTER_BUFF                  = 390212,
    SPELL_DH_RETALIATION_TALENT                    = 389729,
    SPELL_DH_RETALIATION_PROC                      = 391160,
    SPELL_DH_SEVER                                 = 235964,
    SPELL_DH_SHATTERED_RESTORATION                 = 389824,
    SPELL_DH_SHATTER_SOUL                          = 210038,
    SPELL_DH_SHATTER_SOUL_VENGEANCE_FRONT_RIGHT    = 209980,
    SPELL_DH_SHATTER_SOUL_VENGEANCE_BACK_RIGHT     = 209981,
    SPELL_DH_SHATTERED_SOUL                        = 226258,
    SPELL_DH_SHATTERED_SOULS_V_DEMON_TRIGGER       = 226264,
    SPELL_DH_SHATTERED_SOULS_V_SHATTERED_TRIGGER   = 226263,
    SPELL_DH_SHATTERED_SOUL_DEVOURER_LESSER_RIGHT  = 1223445,
    SPELL_DH_SHATTERED_SOUL_DEVOURER_LESSER_LEFT   = 1223448,
    SPELL_DH_SHATTERED_SOUL_LESSER_RIGHT           = 228533,
    SPELL_DH_SHATTERED_SOUL_LESSER_LEFT            = 237867,
    SPELL_DH_SHATTERED_SOULS_DEVOURER              = 1227619,
    SPELL_DH_SHATTERED_SOULS_DEVOURER_DUMMY        = 1223450,
    SPELL_DH_SHATTERED_SOULS_HAVOC                 = 209651,
    SPELL_DH_SHATTERED_SOULS_HAVOC_DEMON_TRIGGER   = 226370,
    SPELL_DH_SHATTERED_SOULS_HAVOC_LESSER_TRIGGER  = 228536,
    SPELL_DH_SHATTERED_SOULS_HAVOC_SHATTERED_TRIGGER = 209687,
    SPELL_DH_SHATTERED_SOULS_MARKER                = 221461,
    SPELL_DH_SHATTERED_SOULS_VENGEANCE             = 204254,
    SPELL_DH_SHEAR                                 = 203782,
    SPELL_DH_SHEAR_PASSIVE                         = 203783,
    SPELL_DH_SHIFT_VISUAL_DEST                     = 1234818,
    SPELL_DH_SHIFT_CHARGE                          = 1242880,
    SPELL_DH_SIGIL_OF_CHAINS                       = 202138,
    SPELL_DH_SIGIL_OF_CHAINS_GRIP                  = 208674,
    SPELL_DH_SIGIL_OF_CHAINS_JUMP                  = 208674,
    SPELL_DH_SIGIL_OF_CHAINS_SLOW                  = 204843,
    SPELL_DH_SIGIL_OF_CHAINS_SNARE                 = 204843,
    SPELL_DH_SIGIL_OF_CHAINS_TARGET_SELECT         = 204834,
    SPELL_DH_SIGIL_OF_CHAINS_VISUAL                = 208673,
    SPELL_DH_SIGIL_OF_FLAME                        = 204596,
    SPELL_DH_SIGIL_OF_FLAME_AOE                    = 204598,
    SPELL_DH_SIGIL_OF_FLAME_ENERGIZE               = 389787,
    SPELL_DH_SIGIL_OF_FLAME_FLAME_CRASH            = 228973,
    SPELL_DH_SIGIL_OF_FLAME_VISUAL                 = 208710,
    SPELL_DH_SIGIL_OF_MISERY                       = 207684,
    SPELL_DH_SIGIL_OF_MISERY_AOE                   = 207685,
    SPELL_DH_SIGIL_OF_SILENCE                      = 202137,
    SPELL_DH_SIGIL_OF_SILENCE_AOE                  = 204490,
    SPELL_DH_SIGIL_OF_SPITE                        = 390163,
    SPELL_DH_SIGIL_OF_SPITE_AOE                    = 389860,
    SPELL_DH_SOULMONGER_ABSORB                     = 391234,
    SPELL_DH_SOUL_BARRIER                          = 227225,
    SPELL_DH_SOUL_CLEAVE                           = 228477,
    SPELL_DH_SOUL_CLEAVE_DMG                       = 228478,
    SPELL_DH_SOUL_FRAGMENT_COUNTER                 = 203981,
    SPELL_DH_SOUL_FRAGMENT_DEVOURER                = 1223412,
    SPELL_DH_SOUL_FRAGMENTS_DEVOURER_COUNTER       = 1245577,
    SPELL_DH_SOUL_FRAGMENTS_DAMAGE_TAKEN_TRACKER   = 210788,
    SPELL_DH_SOUL_FURNACE_DAMAGE_BUFF              = 391172,
    SPELL_DH_SOUL_RENDING                          = 204909,
    SPELL_DH_SPIRIT_BOMB_DAMAGE                    = 218677,
    SPELL_DH_SPIRIT_BOMB_HEAL                      = 227255,
    SPELL_DH_SPIRIT_BOMB_VISUAL                    = 218678,
    SPELL_DH_STUDENT_OF_SUFFERING_TALENT           = 452412,
    SPELL_DH_STUDENT_OF_SUFFERING_AURA             = 453239,
    SPELL_DH_TACTICAL_RETREAT_ENERGIZE             = 389890,
    SPELL_DH_TACTICAL_RETREAT_TALENT               = 389688,
    SPELL_DH_THROW_GLAIVE                          = 185123,
    SPELL_DH_UNCONTAINED_FEL                       = 209261,
    SPELL_DH_VENGEANCE_DEMON_HUNTER                = 212613,
    SPELL_DH_VENGEFUL_BONDS                        = 320635,
    SPELL_DH_VENGEFUL_RETREAT                      = 198813,
    SPELL_DH_VENGEFUL_RETREAT_TRIGGER              = 198793,
    SPELL_DH_VOIDBLADE_CHARGE                      = 1241285,
    SPELL_DH_VOIDBLADE_DAMAGE                      = 1245414,
    SPELL_DH_VOIDGLARE_BOON_ENERGIZE               = 1241922,
    SPELL_DH_VOIDGLARE_BOON_TALENT                 = 1240202,
    SPELL_DH_VOID_METAMORPHOSIS_BUFF               = 1217607,
    SPELL_DH_VOID_RAY_DAMAGE                       = 1213649,
    SPELL_DH_WAVE_OF_DEBILITATION_TALENT           = 452403,
    SPELL_DH_WAVE_OF_DEBILITATION_SLOW             = 453263,
};
 
enum DemonHunterSpellCategories
{
    SPELL_CATEGORY_DH_EYE_BEAM      = 1582,
    SPELL_CATEGORY_DH_BLADE_DANCE   = 1640
};
 
// Called by 232893 - Felblade
class spell_dh_army_unto_oneself : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_ARMY_UNTO_ONESELF, SPELL_DH_BLADE_WARD });
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_ARMY_UNTO_ONESELF);
    }
 
    void ApplyBladeWard() const
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_BLADE_WARD, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_army_unto_oneself::ApplyBladeWard);
    }
};
 
// Called by 203819 - Demon Spikes
class spell_dh_calcified_spikes : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CALCIFIED_SPIKES_TALENT, SPELL_DH_CALCIFIED_SPIKES_MOD_DAMAGE });
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_CALCIFIED_SPIKES_TALENT);
    }
 
    void HandleAfterRemove(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/) const
    {
        Unit* target = GetTarget();
        target->CastSpell(target, SPELL_DH_CALCIFIED_SPIKES_MOD_DAMAGE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringAura = aurEff
        });
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_calcified_spikes::HandleAfterRemove, EFFECT_1, SPELL_AURA_MOD_ARMOR_PCT_FROM_STAT, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
    }
};
 
// 391171 - Calcified Spikes
class spell_dh_calcified_spikes_periodic : public AuraScript
{
    bool Validate(SpellInfo const* spellInfo) override
    {
        return ValidateSpellEffect({ { spellInfo->Id, EFFECT_1 } });
    }
 
    void HandlePeriodic(AuraEffect const* /*aurEff*/) const
    {
        if (AuraEffect* damagePctTaken = GetEffect(EFFECT_0))
            damagePctTaken->ChangeAmount(damagePctTaken->GetAmount() + 1);
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_calcified_spikes_periodic::HandlePeriodic, EFFECT_1, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
    }
};
 
// 197125 - Chaos Strike
class spell_dh_chaos_strike : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CHAOS_STRIKE_ENERGIZE });
    }
 
    void HandleEffectProc(AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo)
    {
        PreventDefaultAction();
        GetTarget()->CastSpell(GetTarget(), SPELL_DH_CHAOS_STRIKE_ENERGIZE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = eventInfo.GetProcSpell()
        });
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_chaos_strike::HandleEffectProc, EFFECT_0, SPELL_AURA_PROC_TRIGGER_SPELL);
    }
};
 
// 344862 - Chaos Strike
class spell_dh_chaos_strike_initial : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CHAOS_STRIKE });
    }
 
    void HandleHit(SpellEffIndex /*effIndex*/) const
    {
        GetCaster()->CastSpell(GetHitUnit(), SPELL_DH_CHAOS_STRIKE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_GCD | TRIGGERED_IGNORE_POWER_COST | TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_chaos_strike_initial::HandleHit, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// Called by 188499 - Blade Dance and 210152 - Death Sweep
class spell_dh_chaos_theory : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        if (!ValidateSpellInfo({ SPELL_DH_CHAOS_THEORY_CRIT })
            || !ValidateSpellEffect({ { SPELL_DH_CHAOS_THEORY_TALENT, EFFECT_1 } }))
            return false;
 
        SpellInfo const* chaosTheory = sSpellMgr->AssertSpellInfo(SPELL_DH_CHAOS_THEORY_TALENT, DIFFICULTY_NONE);
        return chaosTheory->GetEffect(EFFECT_0).CalcValue() < chaosTheory->GetEffect(EFFECT_1).CalcValue();
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_CHAOS_THEORY_TALENT);
    }
 
    void ChaosTheory() const
    {
        Unit* caster = GetCaster();
        Aura const* chaosTheory = caster->GetAura(SPELL_DH_CHAOS_THEORY_TALENT);
        if (!chaosTheory)
            return;
 
        AuraEffect const* min = chaosTheory->GetEffect(EFFECT_0);
        AuraEffect const* max = chaosTheory->GetEffect(EFFECT_1);
        if (!min || !max)
            return;
 
        SpellEffectValue critChance = frand(min->GetAmount(), max->GetAmount());
        caster->CastSpell(caster, SPELL_DH_CHAOS_THEORY_CRIT, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .SpellValueOverrides = { { SPELLVALUE_BASE_POINT0, critChance } }
        });
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_chaos_theory::ChaosTheory);
    }
};
 
// 390195 - Chaos Theory
class spell_dh_chaos_theory_drop_charge : public AuraScript
{
    void Prepare(ProcEventInfo const& /*eventInfo*/)
    {
        PreventDefaultAction();
        // delayed charge drop - this aura must be removed after Chaos Strike does damage and after it procs power refund
        GetAura()->DropChargeDelayed(500);
    }
 
    void Register() override
    {
        DoPrepareProc += AuraProcFn(spell_dh_chaos_theory_drop_charge::Prepare);
    }
};
 
// Called by 191427 - Metamorphosis
class spell_dh_chaotic_transformation : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CHAOTIC_TRANSFORMATION })
            && sSpellCategoryStore.LookupEntry(SPELL_CATEGORY_DH_EYE_BEAM)
            && sSpellCategoryStore.LookupEntry(SPELL_CATEGORY_DH_BLADE_DANCE);
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_CHAOTIC_TRANSFORMATION);
    }
 
    void HandleCooldown() const
    {
        GetCaster()->GetSpellHistory()->ResetCooldowns([](SpellHistory::CooldownEntry const& cooldown)
        {
            uint32 category = sSpellMgr->AssertSpellInfo(cooldown.SpellId, DIFFICULTY_NONE)->CategoryId;
            return category == SPELL_CATEGORY_DH_EYE_BEAM || category == SPELL_CATEGORY_DH_BLADE_DANCE;
        }, true);
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_chaotic_transformation::HandleCooldown);
    }
};
 
// 213010 - Charred Warblades
class spell_dh_charred_warblades : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CHARRED_WARBLADES_HEAL });
    }
 
    bool CheckProc(ProcEventInfo& eventInfo)
    {
        return eventInfo.GetDamageInfo() && eventInfo.GetDamageInfo()->GetSchoolMask() & SPELL_SCHOOL_MASK_FIRE;
    }
 
    void HandleAfterProc(ProcEventInfo& eventInfo)
    {
        _healAmount += CalculatePct(eventInfo.GetDamageInfo()->GetDamage(), GetEffect(EFFECT_0)->GetAmount());
    }
 
    void HandleDummyTick(AuraEffect const* aurEff)
    {
        if (_healAmount == 0)
            return;
 
        GetTarget()->CastSpell(GetTarget(), SPELL_DH_CHARRED_WARBLADES_HEAL,
            CastSpellExtraArgs(TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR)
            .SetTriggeringAura(aurEff)
            .AddSpellBP0(_healAmount));
 
        _healAmount = 0;
    }
 
    void Register() override
    {
        DoCheckProc += AuraCheckProcFn(spell_dh_charred_warblades::CheckProc);
        AfterProc += AuraProcFn(spell_dh_charred_warblades::HandleAfterProc);
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_charred_warblades::HandleDummyTick, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
    }
 
private:
    uint32 _healAmount = 0;
};
 
// Called by 212084 - Fel Devastation and 198013 - Eye Beam
class spell_dh_collective_anguish : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_COLLECTIVE_ANGUISH, SPELL_DH_FEL_DEVASTATION, SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM, SPELL_DH_COLLECTIVE_ANGUISH_FEL_DEVASTATION });
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_COLLECTIVE_ANGUISH);
    }
 
    void HandleEyeBeam() const
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void HandleFelDevastation() const
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_COLLECTIVE_ANGUISH_FEL_DEVASTATION, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        if (m_scriptSpellId == SPELL_DH_FEL_DEVASTATION)
            AfterCast += SpellCastFn(spell_dh_collective_anguish::HandleEyeBeam);
        else
            AfterCast += SpellCastFn(spell_dh_collective_anguish::HandleFelDevastation);
    }
};
 
// 391057 - Eye Beam
class spell_dh_collective_anguish_eye_beam : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM_DAMAGE });
    }
 
    void HandleEffectPeriodic(AuraEffect const* aurEff) const
    {
        if (Unit* caster = GetCaster())
            caster->CastSpell(nullptr, SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM_DAMAGE, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringAura = aurEff
            });
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_collective_anguish_eye_beam::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
    }
};
 
// 473662 - Consume
class spell_dh_consume_energize : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo ({ SPELL_DH_CONSUME_ENERGIZE });
    }
 
    void HandleAfterCast() const
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_CONSUME_ENERGIZE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_consume_energize::HandleAfterCast);
    }
};
 
// 203794 - Consume Soul
class spell_dh_consume_soul_vengeance_lesser : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellEffect({ { SPELL_DH_SOUL_FRAGMENTS_DAMAGE_TAKEN_TRACKER, EFFECT_0 }, { SPELL_DH_SHEAR_PASSIVE, EFFECT_2 } });
    }
 
    void CalcHealingFromDamageTaken(SpellEffectInfo const& /*effectInfo*/, Unit const* victim, int32& /*healing*/, int32& flatMod, float& /*pctMod*/) const
    {
        AuraEffect* damageTakenTracker = GetCaster()->GetAuraEffect(SPELL_DH_SOUL_FRAGMENTS_DAMAGE_TAKEN_TRACKER, EFFECT_0);
        if (!damageTakenTracker)
            return;
 
        Aura const* shearPassive = GetCaster()->GetAura(SPELL_DH_SHEAR_PASSIVE);
        if (!shearPassive || !shearPassive->HasEffect(EFFECT_1) || !shearPassive->HasEffect(EFFECT_2))
            return;
 
        flatMod += std::max<SpellEffectValue>(CalculatePct(damageTakenTracker->CalculateAmount(GetCaster()), shearPassive->GetEffect(EFFECT_1)->GetAmount()),
            victim->CountPctFromMaxHealth(shearPassive->GetEffect(EFFECT_2)->GetAmount()));
    }
 
    void Register() override
    {
        CalcHealing += SpellCalcHealingFn(spell_dh_consume_soul_vengeance_lesser::CalcHealingFromDamageTaken);
    }
};
 
// 320413 - Critical Chaos
class spell_dh_critical_chaos : public AuraScript
{
    void CalcAmount(AuraEffect const* /*aurEff*/, SpellEffectValue& amount, bool const& /*canBeRecalculated*/) const
    {
        if (AuraEffect const* amountHolder = GetEffect(EFFECT_1))
        {
            float critChanceDone = GetUnitOwner()->GetUnitCriticalChanceDone(BASE_ATTACK);
            amount = CalculatePct(critChanceDone, amountHolder->GetAmount());
        }
    }
 
    void UpdatePeriodic(AuraEffect const* aurEff) const
    {
        if (AuraEffect* bonus = GetEffect(EFFECT_0))
            bonus->RecalculateAmount(aurEff);
    }
 
    void Register() override
    {
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dh_critical_chaos::CalcAmount, EFFECT_0, SPELL_AURA_ADD_FLAT_MODIFIER);
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_critical_chaos::UpdatePeriodic, EFFECT_1, SPELL_AURA_PERIODIC_DUMMY);
    }
};
 
// 1226019 - Reap
class spell_dh_cull : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CULL_DAMAGE });
    }
 
    void HandleDamage(SpellEffIndex /*effIndex*/) const
    {
        GetCaster()->CastSpell(GetHitUnit(), SPELL_DH_CULL_DAMAGE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_cull::HandleDamage, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 389718 - Cycle of Binding
class spell_dh_cycle_of_binding : public AuraScript
{
    static constexpr std::array<uint32, 5> SigilSpellsIds = { SPELL_DH_SIGIL_OF_CHAINS, SPELL_DH_SIGIL_OF_FLAME, SPELL_DH_SIGIL_OF_MISERY, SPELL_DH_SIGIL_OF_SILENCE, SPELL_DH_SIGIL_OF_SPITE };
 
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo(SigilSpellsIds);
    }
 
    void HandleEffectProc(AuraEffect const* aurEff, ProcEventInfo const& /*eventInfo*/) const
    {
        SpellHistory* history = GetTarget()->GetSpellHistory();
        SpellHistory::Duration amount = duration_cast<SpellHistory::Duration>(FloatSeconds(-aurEff->GetAmount()));
 
        for (uint32 spellId : SigilSpellsIds)
            history->ModifyCooldown(spellId, amount);
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_cycle_of_binding::HandleEffectProc, EFFECT_0, SPELL_AURA_DUMMY);
    }
};
 
// Called by 198013 - Eye Beam
class spell_dh_cycle_of_hatred : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CYCLE_OF_HATRED_TALENT, SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION, SPELL_DH_CYCLE_OF_HATRED_REMOVE_STACKS });
    }
 
    bool Load() override
    {
        return GetCaster()->HasAuraEffect(SPELL_DH_CYCLE_OF_HATRED_TALENT, EFFECT_0);
    }
 
    void HandleCycleOfHatred() const
    {
        Unit* caster = GetCaster();
 
        // First calculate cooldown then add another stack
        uint32 cycleOfHatredStack = caster->GetAuraCount(SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION);
        AuraEffect const* cycleOfHatred = caster->GetAuraEffect(SPELL_DH_CYCLE_OF_HATRED_TALENT, EFFECT_0);
        caster->GetSpellHistory()->ModifyCooldown(GetSpellInfo(), -Milliseconds(static_cast<int64>(cycleOfHatred->GetAmount() * cycleOfHatredStack)));
 
        CastSpellExtraArgs args;
        args.SetTriggerFlags(TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
        args.SetTriggeringSpell(GetSpell());
 
        caster->CastSpell(caster, SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION, args);
        caster->CastSpell(caster, SPELL_DH_CYCLE_OF_HATRED_REMOVE_STACKS, args);
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_cycle_of_hatred::HandleCycleOfHatred);
    }
};
 
// 1214890 - Cycle of Hatred
class spell_dh_cycle_of_hatred_remove_stacks : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION });
    }
 
    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        if (Aura* aura = GetTarget()->GetAura(SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION))
            aura->SetStackAmount(1);
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_cycle_of_hatred_remove_stacks::OnRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 258887 - Cycle of Hatred
class spell_dh_cycle_of_hatred_talent : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION });
    }
 
    void OnApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        Unit* target = GetTarget();
        target->CastSpell(target, SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
 
    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        GetTarget()->RemoveAurasDueToSpell(SPELL_DH_CYCLE_OF_HATRED_COOLDOWN_REDUCTION);
    }
 
    void Register() override
    {
        AfterEffectApply += AuraEffectApplyFn(spell_dh_cycle_of_hatred_talent::OnApply, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_cycle_of_hatred_talent::OnRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// Called by 212084 - Fel Devastation
class spell_dh_darkglare_boon : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        if (!ValidateSpellInfo({ SPELL_DH_DARKGLARE_BOON_ENERGIZE, SPELL_DH_FEL_DEVASTATION })
            || !ValidateSpellEffect({ { SPELL_DH_DARKGLARE_BOON, EFFECT_3 } }))
            return false;
 
        SpellInfo const* darkglareBoon = sSpellMgr->GetSpellInfo(SPELL_DH_DARKGLARE_BOON, DIFFICULTY_NONE);
        return darkglareBoon->GetEffect(EFFECT_0).CalcValue() < darkglareBoon->GetEffect(EFFECT_1).CalcValue()
            && darkglareBoon->GetEffect(EFFECT_2).CalcValue() < darkglareBoon->GetEffect(EFFECT_3).CalcValue();
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_DARKGLARE_BOON);
    }
 
    void HandleEffectRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        // Tooltip mentions "fully channelled" being a requirement but ingame it always reduces cooldown and energizes, even when manually cancelled
        //if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
        //    return;
 
        Unit* target = GetTarget();
        Aura const* darkglareBoon = target->GetAura(SPELL_DH_DARKGLARE_BOON);
 
        SpellHistory::Duration cooldown, categoryCooldown;
        SpellHistory::GetCooldownDurations(GetSpellInfo(), 0, &cooldown, nullptr, &categoryCooldown);
        SpellEffectValue reductionPct = frand(darkglareBoon->GetEffect(EFFECT_0)->GetAmount(), darkglareBoon->GetEffect(EFFECT_1)->GetAmount());
        SpellHistory::Duration cooldownReduction(CalculatePct(std::max(cooldown, categoryCooldown).count(), reductionPct));
 
        SpellEffectValue energizeValue = frand(darkglareBoon->GetEffect(EFFECT_2)->GetAmount(), darkglareBoon->GetEffect(EFFECT_3)->GetAmount());
 
        target->GetSpellHistory()->ModifyCooldown(SPELL_DH_FEL_DEVASTATION, -cooldownReduction);
 
        target->CastSpell(target, SPELL_DH_DARKGLARE_BOON_ENERGIZE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .SpellValueOverrides = { { SPELLVALUE_BASE_POINT0, energizeValue } }
        });
    }
 
    void Register() override
    {
        OnEffectRemove += AuraEffectRemoveFn(spell_dh_darkglare_boon::HandleEffectRemove, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 209426 - Darkness
class spell_dh_darkness : public AuraScript
{
    bool Validate(SpellInfo const* spellInfo) override
    {
        return ValidateSpellEffect({ { spellInfo->Id, EFFECT_1 } });
    }
 
    void CalculateAmount(AuraEffect const* /*aurEff*/, SpellEffectValue& amount, bool& /*canBeRecalculated*/)
    {
        // Set absorbtion amount to unlimited
        amount = -1;
    }
 
    void Absorb(AuraEffect const* /*aurEff*/, DamageInfo& dmgInfo, uint32& absorbAmount) const
    {
        if (AuraEffect const* chanceEffect = GetEffect(EFFECT_1))
            if (roll_chance(chanceEffect->GetAmount()))
                absorbAmount = dmgInfo.GetDamage();
    }
 
    void Register() override
    {
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dh_darkness::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
        OnEffectAbsorb += AuraEffectAbsorbFn(spell_dh_darkness::Absorb, EFFECT_0);
    }
};
 
// 196718 - Darkness
// Id: 6615
struct areatrigger_dh_darkness : AreaTriggerAI
{
    areatrigger_dh_darkness(AreaTrigger* areaTrigger) : AreaTriggerAI(areaTrigger),
        _absorbAuraInfo(sSpellMgr->GetSpellInfo(SPELL_DH_DARKNESS_ABSORB, DIFFICULTY_NONE)) { }
 
    void OnUnitEnter(Unit* unit) override
    {
        Unit* caster = at->GetCaster();
        if (!caster || !caster->IsValidAssistTarget(unit, _absorbAuraInfo))
            return;
 
        caster->CastSpell(unit, SPELL_DH_DARKNESS_ABSORB, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .SpellValueOverrides = { { SPELLVALUE_DURATION, at->GetDuration() } }
        });
    }
 
    void OnUnitExit(Unit* unit, AreaTriggerExitReason /*reason*/) override
    {
        unit->RemoveAura(SPELL_DH_DARKNESS_ABSORB, at->GetCasterGuid());
    }
 
private:
    SpellInfo const* _absorbAuraInfo;
};
 
// 203819 - Demon Spikes
class spell_dh_deflecting_spikes : public SpellScript
{
    bool Validate(SpellInfo const* spellInfo) override
    {
        return ValidateSpellInfo({ SPELL_DH_DEFLECTING_SPIKES })
            && ValidateSpellEffect({ { spellInfo->Id, EFFECT_0 } })
            && spellInfo->GetEffect(EFFECT_0).IsAura(SPELL_AURA_MOD_PARRY_PERCENT);
    }
 
    void HandleParryChance(WorldObject*& target) const
    {
        if (!GetCaster()->HasAura(SPELL_DH_DEFLECTING_SPIKES))
            target = nullptr;
    }
 
    void Register() override
    {
        OnObjectTargetSelect += SpellObjectTargetSelectFn(spell_dh_deflecting_spikes::HandleParryChance, EFFECT_0, TARGET_UNIT_CASTER);
    }
};
 
// 388111 - Demon Muzzle
class spell_dh_demon_muzzle : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_DEMON_MUZZLE_PROC });
    }
 
    static void HandleProc(AuraScript const&, AuraEffect const*, ProcEventInfo const& procEvent)
    {
        procEvent.GetActor()->CastSpell(procEvent.GetActionTarget(), SPELL_DH_DEMON_MUZZLE_PROC, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = procEvent.GetProcSpell()
        });
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_demon_muzzle::HandleProc, EFFECT_0, SPELL_AURA_DUMMY);
    }
};
 
// 213410 - Demonic (attached to 212084 - Fel Devastation and 198013 - Eye Beam)
class spell_dh_demonic : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ _transformSpellId })
            && ValidateSpellEffect({ { SPELL_DH_DEMONIC, EFFECT_0 } })
            && sSpellMgr->AssertSpellInfo(SPELL_DH_DEMONIC, DIFFICULTY_NONE)->GetEffect(EFFECT_0).IsAura();
    }
 
    bool Load() override
    {
        return GetCaster()->HasAuraEffect(SPELL_DH_DEMONIC, EFFECT_0);
    }
 
    void TriggerMetamorphosis() const
    {
        Unit* caster = GetCaster();
        AuraEffect const* demonic = caster->GetAuraEffect(SPELL_DH_DEMONIC, EFFECT_0);
        if (!demonic)
            return;
 
        int32 duration = demonic->GetAmountAsInt() + GetSpell()->GetChannelDuration();
 
        if (Aura* aura = caster->GetAura(_transformSpellId))
        {
            aura->SetMaxDuration(aura->GetDuration() + duration);
            aura->SetDuration(aura->GetMaxDuration());
            return;
        }
 
        SpellCastTargets targets;
        targets.SetUnitTarget(caster);
 
        Spell* spell = new Spell(caster, sSpellMgr->AssertSpellInfo(_transformSpellId, DIFFICULTY_NONE),
            TRIGGERED_IGNORE_SPELL_AND_CATEGORY_CD | TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            ObjectGuid::Empty, GetSpell()->m_castId);
        spell->m_SpellVisual.SpellXSpellVisualID = 0;
        spell->m_SpellVisual.ScriptVisualID = 0;
        spell->SetSpellValue({ SPELLVALUE_DURATION, duration });
        spell->prepare(targets);
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_demonic::TriggerMetamorphosis);
    }
 
    uint32 _transformSpellId;
 
public:
    explicit spell_dh_demonic(uint32 transformSpellId) : _transformSpellId(transformSpellId) { }
};
 
// 206478 - Demonic Appetite
class spell_dh_demonic_appetite : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_SHATTERED_SOUL_LESSER_RIGHT, SPELL_DH_SHATTERED_SOUL_LESSER_LEFT });
    }
 
    static void ShatterLesserSoulFragment(AuraScript const&, ProcEventInfo const& procEvent)
    {
        procEvent.GetActionTarget()->CastSpell(procEvent.GetActor(),
            Trinity::Containers::SelectRandomContainerElement(std::array{ SPELL_DH_SHATTERED_SOUL_LESSER_RIGHT, SPELL_DH_SHATTERED_SOUL_LESSER_LEFT }),
            TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
 
    void Register() override
    {
        OnProc += AuraProcFn(spell_dh_demonic_appetite::ShatterLesserSoulFragment);
    }
};
 
// 178963 - Consume Soul
// 202644 - Consume Soul
// 228532 - Consume Soul
// 328953 - Consume Soul
// 1238743 - Consume Soul
class spell_dh_demonic_appetite_energize : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_DEMONIC_APPETITE_ENERGIZE });
    }
 
    bool Load() override
    {
        return !GetCaster()->HasAura(SPELL_DH_DEMONIC_APPETITE);
    }
 
    void Register() override
    {
        for (SpellEffectInfo const& spellEffectInfo : sSpellMgr->AssertSpellInfo(m_scriptSpellId, DIFFICULTY_NONE)->GetEffects())
            if (spellEffectInfo.IsEffect(SPELL_EFFECT_TRIGGER_SPELL) && spellEffectInfo.TriggerSpell == SPELL_DH_DEMONIC_APPETITE_ENERGIZE)
                OnEffectLaunchTarget += SpellEffectFn(spell_dh_demonic_appetite_energize::PreventHitDefaultEffect, spellEffectInfo.EffectIndex, SPELL_EFFECT_TRIGGER_SPELL);
    }
};
 
// 203720 - Demon Spikes
class spell_dh_demon_spikes : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_DEMON_SPIKES });
    }
 
    void HandleArmor(SpellEffIndex /*effIndex*/)
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_DEMON_SPIKES, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_demon_spikes::HandleArmor, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
struct spell_dh_shattered_souls_base_lesser
{
    static constexpr std::array<DemonHunterSpells, 2> DevourerSpells = { SPELL_DH_SHATTERED_SOUL_DEVOURER_LESSER_RIGHT, SPELL_DH_SHATTERED_SOUL_DEVOURER_LESSER_LEFT };
    static constexpr std::array<DemonHunterSpells, 2> HavocSpells = { SPELL_DH_SHATTERED_SOUL_LESSER_RIGHT, SPELL_DH_SHATTERED_SOUL_LESSER_LEFT };
    static constexpr std::array<DemonHunterSpells, 2> VengeanceSpells = { SPELL_DH_SHATTER_SOUL_VENGEANCE_FRONT_RIGHT, SPELL_DH_SHATTER_SOUL_VENGEANCE_BACK_RIGHT };
 
    static bool Validate()
    {
        return SpellScriptBase::ValidateSpellInfo(DevourerSpells)
            && SpellScriptBase::ValidateSpellInfo(HavocSpells)
            && SpellScriptBase::ValidateSpellInfo(VengeanceSpells);
    }
 
    static void CreateFragments(Unit* source, Unit* dh, int32 count)
    {
        std::span<DemonHunterSpells const> spells = HavocSpells;
        if (Player* player = dh->ToPlayer())
        {
            if (player->GetPrimarySpecialization() == ChrSpecialization::DemonHunterDevourer)
                spells = DevourerSpells;
            else if (player->GetPrimarySpecialization() ==  ChrSpecialization::DemonHunterVengeance)
                spells = VengeanceSpells;
        }
 
        for (int32 i = 0; i < count; ++i)
            source->CastSpell(dh, Trinity::Containers::SelectRandomContainerElement(spells), TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
};
 
// 452410 - Enduring Torment
class spell_dh_enduring_torment : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_ENDURING_TORMENT_BUFF, SPELL_DH_METAMORPHOSIS_TRANSFORM, SPELL_DH_METAMORPHOSIS_DEVOURER_TRANSFORM });
    }
 
    void HandlePeriodic(AuraEffect const* aurEff) const
    {
        Unit* target = GetTarget();
        Aura* statBuff = target->GetOwnedAura(SPELL_DH_ENDURING_TORMENT_BUFF);
 
        if (target->HasAura(SPELL_DH_METAMORPHOSIS_TRANSFORM) || target->HasAura(SPELL_DH_METAMORPHOSIS_DEVOURER_TRANSFORM))
        {
            if (statBuff)
                target->RemoveOwnedAura(statBuff);
        }
        else if (!statBuff)
        {
            target->CastSpell(target, SPELL_DH_ENDURING_TORMENT_BUFF, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringAura = aurEff
            });
        }
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_enduring_torment::HandlePeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
    }
};
 
// 453314 - Enduring Torment
class spell_dh_enduring_torment_buff : public SpellScript
{
    bool Load() override
    {
        return GetCaster()->IsPlayer();
    }
 
    template <ChrSpecialization Spec>
    void PreventEffect(WorldObject*& target) const
    {
        if (GetCaster()->ToPlayer()->GetPrimarySpecialization() != Spec)
            target = nullptr;
    }
 
    void Register() override
    {
        OnObjectTargetSelect += SpellObjectTargetSelectFn(spell_dh_enduring_torment_buff::PreventEffect<ChrSpecialization::DemonHunterHavoc>, EFFECT_0, TARGET_UNIT_CASTER);
        OnObjectTargetSelect += SpellObjectTargetSelectFn(spell_dh_enduring_torment_buff::PreventEffect<ChrSpecialization::DemonHunterHavoc>, EFFECT_1, TARGET_UNIT_CASTER);
        OnObjectTargetSelect += SpellObjectTargetSelectFn(spell_dh_enduring_torment_buff::PreventEffect<ChrSpecialization::DemonHunterDevourer>, EFFECT_2, TARGET_UNIT_CASTER);
        OnObjectTargetSelect += SpellObjectTargetSelectFn(spell_dh_enduring_torment_buff::PreventEffect<ChrSpecialization::DemonHunterDevourer>, EFFECT_3, TARGET_UNIT_CASTER);
    }
};
 
// 307046 - Elysian Decree (Kyrian)
// 389860 - Sigil of Spite
class spell_dh_elysian_decree : public SpellScript
{
public:
    spell_dh_elysian_decree(uint32 primarySpellId) : _primarySpellId(primarySpellId) { }
 
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellEffect({ { _primarySpellId, EFFECT_2 } })
            && sSpellMgr->AssertSpellInfo(_primarySpellId, DIFFICULTY_NONE)->GetEffect(EFFECT_2).IsEffect(SPELL_EFFECT_DUMMY)
            && spell_dh_shattered_souls_base_lesser::Validate();
    }
 
    bool Load() override
    {
        _maxFragmentsToCreate = sSpellMgr->AssertSpellInfo(_primarySpellId, GetCastDifficulty())->GetEffect(EFFECT_2).CalcValueAsInt(GetCaster());
        _fragmentsToCreate = _maxFragmentsToCreate;
        return true;
    }
 
    void CreateLesserSoulFragments(SpellEffIndex effIndex)
    {
        // spawn more than 1 fragment per target if there are less than 3 total targets
        int32 fragments = 1 + std::max(int32(_maxFragmentsToCreate - GetUnitTargetCountForEffect(effIndex)), 0);
        fragments = std::min(fragments, _fragmentsToCreate);
 
        spell_dh_shattered_souls_base_lesser::CreateFragments(GetHitUnit(), GetCaster(), fragments);
 
        _fragmentsToCreate -= fragments;
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_elysian_decree::CreateLesserSoulFragments, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
 
private:
    uint32 _primarySpellId;
    int32 _maxFragmentsToCreate = 0;
    int32 _fragmentsToCreate = 0;
};
 
// 1225826 - Eradicate
class spell_dh_eradicate : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_ERADICATE_DAMAGE, SPELL_DH_ERADICATE_DAMAGE_METAMORPHOSIS, SPELL_DH_VOID_METAMORPHOSIS_BUFF });
    }
 
    void HandleDamage(SpellEffIndex /*effIndex*/) const
    {
        Unit* caster = GetCaster();
        caster->CastSpell(GetHitUnit(), caster->HasAura(SPELL_DH_VOID_METAMORPHOSIS_BUFF)
            ? SPELL_DH_ERADICATE_DAMAGE_METAMORPHOSIS : SPELL_DH_ERADICATE_DAMAGE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_eradicate::HandleDamage, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 258860 - Essence Break
class spell_dh_essence_break : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_ESSENCE_BREAK_DEBUFF });
    }
 
    void HandleDebuff(SpellEffIndex /*effIndex*/) const
    {
        Unit* caster = GetCaster();
 
        // debuff application is slightly delayed on official servers (after animation fully finishes playing)
        caster->m_Events.AddEventAtOffset([caster, targets = CastSpellTargetArg(GetHitUnit())]() mutable
        {
            if (!targets.Targets)
                return;
 
            targets.Targets->Update(caster);
 
            caster->CastSpell(targets, SPELL_DH_ESSENCE_BREAK_DEBUFF, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
        }, 300ms);
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_essence_break::HandleDebuff, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
};
 
// 198013 - Eye Beam
class spell_dh_eye_beam : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_EYE_BEAM_DAMAGE });
    }
 
    void HandleEffectPeriodic(AuraEffect const* aurEff) const
    {
        if (Unit* caster = GetCaster())
            caster->CastSpell(nullptr, SPELL_DH_EYE_BEAM_DAMAGE, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringAura = aurEff
            });
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_eye_beam::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
    }
};
 
// Called by 228477 - Soul Cleave
class spell_dh_feast_of_souls : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FEAST_OF_SOULS, SPELL_DH_FEAST_OF_SOULS_PERIODIC_HEAL });
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_FEAST_OF_SOULS);
    }
 
    void HandleHeal() const
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_FEAST_OF_SOULS_PERIODIC_HEAL, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_feast_of_souls::HandleHeal);
    }
};
 
// 212084 - Fel Devastation
class spell_dh_fel_devastation : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FEL_DEVASTATION_HEAL });
    }
 
    void HandlePeriodicEffect(AuraEffect const* aurEff) const
    {
        if (Unit* caster = GetCaster())
            caster->CastSpell(caster, SPELL_DH_FEL_DEVASTATION_HEAL, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringAura = aurEff
            });
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_fel_devastation::HandlePeriodicEffect, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
    }
};
 
// Called by 258920 - Immolation Aura
class spell_dh_fel_flame_fortification : public AuraScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FEL_FLAME_FORTIFICATION_TALENT, SPELL_DH_FEL_FLAME_FORTIFICATION_MOD_DAMAGE });
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_FEL_FLAME_FORTIFICATION_TALENT);
    }
 
    void OnApply(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/) const
    {
        Unit* target = GetTarget();
        target->CastSpell(target, SPELL_DH_FEL_FLAME_FORTIFICATION_MOD_DAMAGE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringAura = aurEff,
            .OriginalCastId = aurEff->GetBase()->GetCastId()
        });
    }
 
    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        GetTarget()->RemoveAurasDueToSpell(SPELL_DH_FEL_FLAME_FORTIFICATION_MOD_DAMAGE);
    }
 
    void Register() override
    {
        AfterEffectApply += AuraEffectApplyFn(spell_dh_fel_flame_fortification::OnApply, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_fel_flame_fortification::OnRemove, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 232893 - Felblade
class spell_dh_felblade : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FELBLADE_CHARGE });
    }
 
    void HandleCharge(SpellEffIndex /*effIndex*/) const
    {
        uint32 spellToCast = GetCaster()->IsWithinMeleeRange(GetHitUnit()) ? SPELL_DH_FELBLADE_DAMAGE : SPELL_DH_FELBLADE_CHARGE;
        GetCaster()->CastSpell(GetHitUnit(), spellToCast, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_felblade::HandleCharge, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 213241 - Felblade Charge
class spell_dh_felblade_charge : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FELBLADE_DAMAGE });
    }
 
    void HandleDamage(SpellEffIndex /*effIndex*/) const
    {
        GetCaster()->CastSpell(GetHitUnit(), SPELL_DH_FELBLADE_DAMAGE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_felblade_charge::HandleDamage, EFFECT_0, SPELL_EFFECT_CHARGE);
    }
};
 
// 203557 - Felblade (Vengeance cooldow reset proc aura)
// 236167 - Felblade (Havoc cooldow reset proc aura)
class spell_dh_felblade_cooldown_reset_proc : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FELBLADE });
    }
 
    void HandleProc(AuraEffect const* /*aurEff*/, ProcEventInfo const& /*eventInfo*/) const
    {
        GetTarget()->GetSpellHistory()->ResetCooldown(SPELL_DH_FELBLADE, true);
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_felblade_cooldown_reset_proc::HandleProc, EFFECT_0, SPELL_AURA_PROC_TRIGGER_SPELL);
    }
};
 
// 204021 - Fiery Brand
class spell_dh_fiery_brand : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FIERY_BRAND_DEBUFF_RANK_1, SPELL_DH_FIERY_BRAND_DEBUFF_RANK_2, SPELL_DH_FIERY_BRAND_RANK_2 });
    }
 
    void HandleDamage(SpellEffIndex /*effIndex*/) const
    {
        GetCaster()->CastSpell(GetHitUnit(), GetCaster()->HasAura(SPELL_DH_FIERY_BRAND_RANK_2) ? SPELL_DH_FIERY_BRAND_DEBUFF_RANK_2 : SPELL_DH_FIERY_BRAND_DEBUFF_RANK_1,
            CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_fiery_brand::HandleDamage, EFFECT_1, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
};
 
// 206416 - First Blood
class spell_dh_first_blood : public AuraScript
{
public:
    ObjectGuid const& GetFirstTarget() const { return _firstTargetGUID; }
    void SetFirstTarget(ObjectGuid const& targetGuid) { _firstTargetGUID = targetGuid; }
 
private:
    void Register() override
    {
    }
 
private:
    ObjectGuid _firstTargetGUID;
};
 
// Called by 198013 - Eye Beam
class spell_dh_furious_gaze : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FURIOUS_GAZE, SPELL_DH_FURIOUS_GAZE_BUFF });
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_FURIOUS_GAZE);
    }
 
    void HandleAfterRemove(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/) const
    {
        if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
            return;
 
        Unit* target = GetTarget();
        target->CastSpell(target, SPELL_DH_FURIOUS_GAZE_BUFF, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringAura = aurEff
        });
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_furious_gaze::HandleAfterRemove, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 342817 - Glaive Tempest
// ID - 21832
struct at_dh_glaive_tempest : AreaTriggerAI
{
    using AreaTriggerAI::AreaTriggerAI;
 
    void OnCreate(Spell const* /*creatingSpell*/) override
    {
        _scheduler.Schedule(0ms, [this](TaskContext& task)
        {
            FloatMilliseconds period = 500ms; // 500ms, affected by haste
            if (Unit* caster = at->GetCaster())
            {
                period *= *caster->m_unitData->ModHaste;
                caster->CastSpell(at->GetPosition(), SPELL_DH_GLAIVE_TEMPEST, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
                caster->CastSpell(at->GetPosition(), SPELL_DH_GLAIVE_TEMPEST, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
            }
            task.Repeat(duration_cast<Milliseconds>(period));
        });
    }
 
    void OnUpdate(uint32 diff) override
    {
        _scheduler.Update(diff);
    }
 
private:
    TaskScheduler _scheduler;
};
 
// Called by 162264 - Metamorphosis
class spell_dh_inner_demon : public AuraScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_INNER_DEMON_TALENT, SPELL_DH_INNER_DEMON_BUFF });
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_INNER_DEMON_TALENT); // This spell has a proc, but is just a copypaste from spell 390145 (also don't have a 5s cooldown)
    }
 
    void OnApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        Unit* target = GetTarget();
        target->CastSpell(target, SPELL_DH_INNER_DEMON_BUFF, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
        });
    }
 
    void Register() override
    {
        AfterEffectApply += AuraEffectApplyFn(spell_dh_inner_demon::OnApply, EFFECT_0, SPELL_AURA_TRANSFORM, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
    }
};
 
// 390139 - Inner Demon
// ID - 26749
struct at_dh_inner_demon : AreaTriggerAI
{
    using AreaTriggerAI::AreaTriggerAI;
 
    void OnInitialize() override
    {
        SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(at->GetSpellId(), DIFFICULTY_NONE);
        if (!spellInfo)
            return;
 
        Unit* caster = at->GetCaster();
        if (!caster)
            return;
 
        Position destPos = at->GetFirstCollisionPosition(spellInfo->GetEffect(EFFECT_0).CalcValue(caster) + at->GetMaxSearchRadius(), at->GetRelativeAngle(caster));
        PathGenerator path(at);
 
        path.CalculatePath(destPos.GetPositionX(), destPos.GetPositionY(), destPos.GetPositionZ(), false);
 
        at->InitSplines(path.GetPath());
    }
 
    void OnRemove() override
    {
        if (Unit* caster = at->GetCaster())
            caster->CastSpell(caster->GetPosition(), SPELL_DH_INNER_DEMON_DAMAGE, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
};
 
// 388118 - Know Your Enemy
class spell_dh_know_your_enemy : public AuraScript
{
    void CalcAmount(AuraEffect const* /*aurEff*/, SpellEffectValue& amount, bool const& /*canBeRecalculated*/) const
    {
        if (AuraEffect const* amountHolder = GetEffect(EFFECT_1))
        {
            float critChanceDone = GetUnitOwner()->GetUnitCriticalChanceDone(BASE_ATTACK);
            amount = CalculatePct(critChanceDone, amountHolder->GetAmount());
        }
    }
 
    void UpdatePeriodic(AuraEffect const* aurEff) const
    {
        if (AuraEffect* bonus = GetEffect(EFFECT_0))
            bonus->RecalculateAmount(aurEff);
    }
 
    void Register() override
    {
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dh_know_your_enemy::CalcAmount, EFFECT_0, SPELL_AURA_MOD_CRIT_DAMAGE_BONUS);
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_know_your_enemy::UpdatePeriodic, EFFECT_1, SPELL_AURA_PERIODIC_DUMMY);
    }
};
 
// 209258 - Last Resort
class spell_dh_last_resort : public AuraScript
{
    bool Validate(SpellInfo const* spellInfo) override
    {
        return ValidateSpellInfo({ SPELL_DH_UNCONTAINED_FEL, SPELL_DH_METAMORPHOSIS_VENGEANCE_TRANSFORM })
            && ValidateSpellEffect({ { spellInfo->Id, EFFECT_1 } });
    }
 
    void HandleAbsorb(AuraEffect const* /*aurEff*/, DamageInfo const& /*dmgInfo*/, uint32& absorbAmount)
    {
        Unit* target = GetTarget();
        if (target->HasAura(SPELL_DH_UNCONTAINED_FEL))
        {
            absorbAmount = 0;
            return;
        }
 
        PreventDefaultAction();
 
        CastSpellExtraArgs castArgs = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR | TRIGGERED_IGNORE_SPELL_AND_CATEGORY_CD;
 
        target->CastSpell(target, SPELL_DH_METAMORPHOSIS_VENGEANCE_TRANSFORM, castArgs);
        target->CastSpell(target, SPELL_DH_UNCONTAINED_FEL, castArgs);
 
        target->SetHealth(target->CountPctFromMaxHealth(GetEffectInfo(EFFECT_1).CalcValue(target)));
    }
 
    void Register() override
    {
        OnEffectAbsorb += AuraEffectAbsorbOverkillFn(spell_dh_last_resort::HandleAbsorb, EFFECT_0);
    }
};
 
// 1238488 - Moment of Craving (attached to 473728 - Void Ray)
class spell_dh_moment_of_craving : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_MOMENT_OF_CRAVING_TALENT, SPELL_DH_MOMENT_OF_CRAVING_BUFF, SPELL_DH_REAP });
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_MOMENT_OF_CRAVING_TALENT);
    }
 
    void HandleAfterRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
            return;
 
        Unit* target = GetTarget();
        target->GetSpellHistory()->RestoreCharge(sSpellMgr->AssertSpellInfo(SPELL_DH_REAP, GetCastDifficulty())->ChargeCategoryId);
        target->CastSpell(target, SPELL_DH_MOMENT_OF_CRAVING_BUFF, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_moment_of_craving::HandleAfterRemove, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 452414 - Monster Rising
class spell_dh_monster_rising : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_MONSTER_RISING_AGILITY, SPELL_DH_METAMORPHOSIS_TRANSFORM, SPELL_DH_METAMORPHOSIS_VENGEANCE_TRANSFORM });
    }
 
    void HandlePeriodic(AuraEffect const* aurEff) const
    {
        Unit* target = GetTarget();
        AuraApplication* statBuff = target->GetAuraApplication(SPELL_DH_MONSTER_RISING_AGILITY);
 
        if (target->HasAura(SPELL_DH_METAMORPHOSIS_TRANSFORM) || target->HasAura(SPELL_DH_METAMORPHOSIS_VENGEANCE_TRANSFORM))
        {
            if (statBuff)
                target->RemoveAura(statBuff);
        }
        else if (!statBuff)
        {
            target->CastSpell(target, SPELL_DH_MONSTER_RISING_AGILITY, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringAura = aurEff
            });
        }
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_monster_rising::HandlePeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
    }
};
 
// 207387 - Painbringer
class spell_dh_painbringer : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_PAINBRINGER_STACK });
    }
 
    void HandleProc(ProcEventInfo const& eventInfo) const
    {
        Unit* target = eventInfo.GetActor();
        target->CastSpell(target, SPELL_DH_PAINBRINGER_STACK, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = eventInfo.GetProcSpell()
        });
    }
 
    void Register() override
    {
        OnProc += AuraProcFn(spell_dh_painbringer::HandleProc);
    }
};
 
// 212988 - Painbringer
class spell_dh_painbringer_reduce_damage : public AuraScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_PAINBRINGER_DUMMY });
    }
 
    void OnApply(AuraEffect const* aurEff, AuraEffectHandleModes mode) const
    {
        Unit* target = GetTarget();
 
        if (mode & AURA_EFFECT_HANDLE_REAL)
            target->CastSpell(target, SPELL_DH_PAINBRINGER_DUMMY, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringAura = aurEff
            });
 
        target->m_Events.AddEventAtOffset([self = GetAura()->GetWeakPtr()]
        {
            if (Trinity::unique_strong_ref_ptr<Aura> aura = self.lock())
                aura->ModStackAmount(-1, AURA_REMOVE_BY_EXPIRE, false);
        }, Milliseconds(GetMaxDuration()));
    }
 
    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        GetTarget()->RemoveAurasDueToSpell(SPELL_DH_PAINBRINGER_DUMMY);
    }
 
    void Register() override
    {
        AfterEffectApply += AuraEffectApplyFn(spell_dh_painbringer_reduce_damage::OnApply, EFFECT_1, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_painbringer_reduce_damage::OnRemove, EFFECT_1, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 188499 - Blade Dance
// 210152 - Death Sweep
class spell_dh_blade_dance : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FIRST_BLOOD });
    }
 
    void DecideFirstTarget(std::list<WorldObject*>& targetList)
    {
        if (targetList.empty())
            return;
 
        Aura* aura = GetCaster()->GetAura(SPELL_DH_FIRST_BLOOD);
        if (!aura)
            return;
 
        ObjectGuid firstTargetGUID = ObjectGuid::Empty;
        ObjectGuid selectedTarget = GetCaster()->GetTarget();
 
        // Prefer the selected target if he is one of the enemies
        if (targetList.size() > 1 && !selectedTarget.IsEmpty())
        {
            auto it = std::find_if(targetList.begin(), targetList.end(), [selectedTarget](WorldObject* object)
            {
                return object->GetGUID() == selectedTarget;
            });
            if (it != targetList.end())
                firstTargetGUID = (*it)->GetGUID();
        }
 
        if (firstTargetGUID.IsEmpty())
            firstTargetGUID = targetList.front()->GetGUID();
 
        if (spell_dh_first_blood* script = aura->GetScript<spell_dh_first_blood>())
            script->SetFirstTarget(firstTargetGUID);
    }
 
    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_dh_blade_dance::DecideFirstTarget, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
    }
};
 
// 199552 - Blade Dance
// 200685 - Blade Dance
// 210153 - Death Sweep
// 210155 - Death Sweep
class spell_dh_blade_dance_damage : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FIRST_BLOOD });
    }
 
    void HandleHitTarget()
    {
        int32 damage = GetHitDamage();
 
        if (AuraEffect* aurEff = GetCaster()->GetAuraEffect(SPELL_DH_FIRST_BLOOD, EFFECT_0))
            if (spell_dh_first_blood* script = aurEff->GetBase()->GetScript<spell_dh_first_blood>())
                if (GetHitUnit()->GetGUID() == script->GetFirstTarget())
                    AddPct(damage, aurEff->GetAmount());
 
        SetHitDamage(damage);
    }
 
    void Register() override
    {
        OnHit += SpellHitFn(spell_dh_blade_dance_damage::HandleHitTarget);
    }
};
 
// 131347 - Glide
class spell_dh_glide : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_GLIDE_KNOCKBACK, SPELL_DH_GLIDE_DURATION, SPELL_DH_VENGEFUL_RETREAT_TRIGGER, SPELL_DH_FEL_RUSH });
    }
 
    SpellCastResult CheckCast()
    {
        Unit* caster = GetCaster();
        if (caster->IsMounted() || caster->GetVehicleBase())
            return SPELL_FAILED_DONT_REPORT;
 
        if (!caster->IsFalling())
            return SPELL_FAILED_NOT_ON_GROUND;
 
        return SPELL_CAST_OK;
    }
 
    void HandleCast()
    {
        Player* caster = GetCaster()->ToPlayer();
        if (!caster)
            return;
 
        caster->CastSpell(caster, SPELL_DH_GLIDE_KNOCKBACK, true);
        caster->CastSpell(caster, SPELL_DH_GLIDE_DURATION, true);
 
        caster->GetSpellHistory()->StartCooldown(sSpellMgr->AssertSpellInfo(SPELL_DH_VENGEFUL_RETREAT_TRIGGER, GetCastDifficulty()), 0, nullptr, false, 250ms);
        caster->GetSpellHistory()->StartCooldown(sSpellMgr->AssertSpellInfo(SPELL_DH_FEL_RUSH, GetCastDifficulty()), 0, nullptr, false, 250ms);
    }
 
    void Register() override
    {
        OnCheckCast += SpellCheckCastFn(spell_dh_glide::CheckCast);
        BeforeCast += SpellCastFn(spell_dh_glide::HandleCast);
    }
};
 
// 131347 - Glide
class spell_dh_glide_AuraScript : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_GLIDE_DURATION });
    }
 
    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
    {
        GetTarget()->RemoveAura(SPELL_DH_GLIDE_DURATION);
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_glide_AuraScript::OnRemove, EFFECT_0, SPELL_AURA_FEATHER_FALL, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 197154 - Glide
class spell_dh_glide_timer : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_GLIDE });
    }
 
    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
    {
        GetTarget()->RemoveAura(SPELL_DH_GLIDE);
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_glide_timer::OnRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 1226019 - Reap
class spell_dh_reap : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_REAP_DAMAGE });
    }
 
    void HandleDamage(SpellEffIndex /*effIndex*/) const
    {
        GetCaster()->CastSpell(GetHitUnit(), SPELL_DH_REAP_DAMAGE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_reap::HandleDamage, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 339895 - Repeat Decree (attached to 307046 - Elysian Decree and 389860 - Sigil of Spite)
class spell_dh_repeat_decree_conduit : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_REPEAT_DECREE_CONDUIT });
    }
 
    bool Load() override
    {
        return !GetCaster()->HasAura(SPELL_DH_REPEAT_DECREE_CONDUIT);
    }
 
    void Register() override
    {
        OnEffectLaunch += SpellEffectFn(spell_dh_repeat_decree_conduit::PreventHitDefaultEffect, EFFECT_1, SPELL_EFFECT_TRIGGER_SPELL);
    }
};
 
// Called by 162264 - Metamorphosis
class spell_dh_restless_hunter : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_RESTLESS_HUNTER_TALENT, SPELL_DH_RESTLESS_HUNTER_BUFF, SPELL_DH_FEL_RUSH })
            && sSpellCategoryStore.HasRecord(sSpellMgr->AssertSpellInfo(SPELL_DH_FEL_RUSH, DIFFICULTY_NONE)->ChargeCategoryId);
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_RESTLESS_HUNTER_TALENT);
    }
 
    void OnRemove(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/) const
    {
        Unit* target = GetTarget();
 
        target->CastSpell(target, SPELL_DH_RESTLESS_HUNTER_BUFF, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringAura = aurEff
        });
 
        target->GetSpellHistory()->RestoreCharge(sSpellMgr->AssertSpellInfo(SPELL_DH_FEL_RUSH, GetCastDifficulty())->ChargeCategoryId);
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_restless_hunter::OnRemove, EFFECT_0, SPELL_AURA_TRANSFORM, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
    }
};
 
// 389729 - Retaliation (attached to 203819 - Demon Spikes)
class spell_dh_retaliation : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_RETALIATION_TALENT, SPELL_DH_RETALIATION_PROC });
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_RETALIATION_TALENT);
    }
 
    void HandleAfterApply(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/) const
    {
        Unit* target = GetTarget();
        target->CastSpell(target, SPELL_DH_RETALIATION_PROC, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringAura = aurEff
        });
    }
 
    void HandleAfterRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        GetTarget()->RemoveAurasDueToSpell(SPELL_DH_RETALIATION_PROC);
    }
 
    void Register() override
    {
        AfterEffectApply += AuraEffectApplyFn(spell_dh_retaliation::HandleAfterApply, EFFECT_0, SPELL_AURA_MOD_PARRY_PERCENT, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_retaliation::HandleAfterRemove, EFFECT_0, SPELL_AURA_MOD_PARRY_PERCENT, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
    }
};
 
// 388116 - Shattered Destiny
class spell_dh_shattered_destiny : public AuraScript
{
    bool Validate(SpellInfo const* spellInfo) override
    {
        return ValidateSpellInfo({ SPELL_DH_METAMORPHOSIS_TRANSFORM })
            && ValidateSpellEffect({ { spellInfo->Id, EFFECT_1 } })
            && spellInfo->GetEffect(EFFECT_0).IsAura()
            && spellInfo->GetEffect(EFFECT_1).IsAura();
    }
 
    bool CheckFurySpent(ProcEventInfo const& eventInfo)
    {
        Spell const* procSpell = eventInfo.GetProcSpell();
        if (!procSpell)
            return false;
 
        if (!eventInfo.GetActor()->HasAura(SPELL_DH_METAMORPHOSIS_TRANSFORM))
            return false;
 
        _furySpent += procSpell->GetPowerTypeCostAmount(POWER_FURY).value_or(0);
        return _furySpent >= GetEffect(EFFECT_1)->GetAmountAsInt();
    }
 
    void HandleProc(ProcEventInfo const& /*eventInfo*/)
    {
        Aura* metamorphosis = GetTarget()->GetAura(SPELL_DH_METAMORPHOSIS_TRANSFORM);
        if (!metamorphosis)
            return;
 
        int32 requiredFuryAmount = GetEffect(EFFECT_1)->GetAmountAsInt();
        metamorphosis->SetDuration(metamorphosis->GetDuration() + _furySpent / requiredFuryAmount * GetEffect(EFFECT_0)->GetAmountAsInt());
        _furySpent %= requiredFuryAmount;
    }
 
    void Register() override
    {
        DoCheckProc += AuraCheckProcFn(spell_dh_shattered_destiny::CheckFurySpent);
        OnProc += AuraProcFn(spell_dh_shattered_destiny::HandleProc);
    }
 
private:
    int32 _furySpent = 0;
};
 
// 389824 - Shattered Restoration (attached to 202644, 228532, 178963, 210042, 203794 - Consume Soul)
class spell_dh_shattered_restoration : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellEffect({ { SPELL_DH_SHATTERED_RESTORATION, EFFECT_0 } });
    }
 
    void CalculateHealingBonus(SpellEffectInfo const& /*spellEffectInfo*/, Unit const* /*victim*/, int32 const& /*healing*/, int32 const& /*flatMod*/, float& pctMod) const
    {
        if (AuraEffect* const shatteredRestoration = GetCaster()->GetAuraEffect(SPELL_DH_SHATTERED_RESTORATION, EFFECT_0))
            AddPct(pctMod, shatteredRestoration->GetAmount());
    }
 
    void Register() override
    {
        CalcHealing += SpellCalcHealingFn(spell_dh_shattered_restoration::CalculateHealingBonus);
    }
};
 
// 178940 - Shattered Souls
// 204254 - Shattered Souls
class spell_dh_shattered_souls : public AuraScript
{
public:
    spell_dh_shattered_souls(uint32 triggeredSpellId) : _triggeredSpellId(triggeredSpellId) { }
 
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ _triggeredSpellId });
    }
 
    void HandleProc(AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo) const
    {
        Unit* caster = eventInfo.GetActor();
        Unit* target = eventInfo.GetProcTarget();
 
        if (!caster || !target)
            return;
 
        target->CastSpell(caster, _triggeredSpellId, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_shattered_souls::HandleProc, EFFECT_0, SPELL_AURA_DUMMY);
    }
 
private:
    uint32 _triggeredSpellId;
};
 
// 1227619 - Shattered Souls
class spell_dh_shattered_souls_devourer : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return spell_dh_shattered_souls_base_lesser::Validate()
            && ValidateSpellInfo({ SPELL_DH_SOUL_FRAGMENT_DEVOURER });
    }
 
    static bool CheckProc(AuraScript const&, AuraEffect const* aurEff, ProcEventInfo const& /*eventInfo*/)
    {
        return roll_chance(aurEff->GetAmount());
    }
 
    static bool CheckReapSoulGatheringProc(AuraScript const&, AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo)
    {
        // Eradicate, Reap and Cull
        return eventInfo.GetSpellInfo()->IsAffected(SPELLFAMILY_DEMON_HUNTER, { 0x0, 0x0, 0x0, 0x40 });
    }
 
    static void HandleProc(AuraScript const&, AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo)
    {
        spell_dh_shattered_souls_base_lesser::CreateFragments(eventInfo.GetActionTarget(), eventInfo.GetActor(), 1);
    }
 
    static void HandleSoulsGathering(AuraScript const&, AuraEffect const* aurEff, ProcEventInfo const& eventInfo)
    {
        Unit* caster = eventInfo.GetActor();
        float range = eventInfo.GetSpellInfo()->GetMaxRange();
 
        std::vector<AreaTrigger*> soulFragments = caster->GetAreaTriggers(SPELL_DH_SOUL_FRAGMENT_DEVOURER);
        Trinity::Containers::EraseIf(soulFragments, [caster, range](AreaTrigger const* at) { return !at->IsWithinDist(caster, range); });
        if (soulFragments.empty())
            return;
 
        uint32 maxTargets = aurEff->GetAmountAsInt();
        if (soulFragments.size() > maxTargets)
            soulFragments.resize(maxTargets);
 
        for (AreaTrigger* soulFragment : soulFragments)
        {
            caster->CastSpell(soulFragment->GetPosition(), SPELL_DH_CONSUME_SOUL_DEVOURER, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringSpell = eventInfo.GetProcSpell()
            });
            soulFragment->Remove();
        }
    }
 
    void Register() override
    {
        DoCheckEffectProc += AuraCheckEffectProcFn(spell_dh_shattered_souls_devourer::CheckProc, EFFECT_0, SPELL_AURA_DUMMY);
        DoCheckEffectProc += AuraCheckEffectProcFn(spell_dh_shattered_souls_devourer::CheckReapSoulGatheringProc, EFFECT_1, SPELL_AURA_DUMMY);
        OnEffectProc += AuraEffectProcFn(spell_dh_shattered_souls_devourer::HandleProc, EFFECT_0, SPELL_AURA_DUMMY);
        OnEffectProc += AuraEffectProcFn(spell_dh_shattered_souls_devourer::HandleSoulsGathering, EFFECT_1, SPELL_AURA_DUMMY);
    }
};
 
// 1223450 - Shattered Souls
class spell_dh_shattered_souls_devourer_dummy : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_SOUL_FRAGMENT_DEVOURER });
    }
 
    void HandleSoulFragment(SpellEffIndex /*effIndex*/) const
    {
        GetCaster()->CastSpell(GetHitDest()->GetPosition(), SPELL_DH_SOUL_FRAGMENT_DEVOURER, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHit += SpellEffectFn(spell_dh_shattered_souls_devourer_dummy::HandleSoulFragment, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 209651 - Shattered Souls
// 210038 - Shatter Soul
// 1223445 - Shattered Souls
// 1223448 - Shattered Souls
class spell_dh_shattered_souls_trigger : public SpellScript
{
public:
    spell_dh_shattered_souls_trigger(uint32 triggeredSpellId, uint32 triggeredSpellIdDemon)
        : _triggeredSpellId(triggeredSpellId), _triggeredSpellIdDemon(triggeredSpellIdDemon) { }
 
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ _triggeredSpellId })
            && (!_triggeredSpellIdDemon || ValidateSpellInfo({ _triggeredSpellIdDemon }));
    }
 
    void HandleSoulFragment(SpellEffIndex /*effIndex*/) const
    {
        if (Unit* target = GetExplTargetUnit())
            target->CastSpell(GetHitDest()->GetPosition(), _triggeredSpellIdDemon && GetCaster()->GetCreatureType() == CREATURE_TYPE_DEMON ? _triggeredSpellIdDemon : _triggeredSpellId, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringSpell = GetSpell()
            });
    }
 
    void Register() override
    {
        OnEffectLaunch += SpellEffectFn(spell_dh_shattered_souls_trigger::HandleSoulFragment, EFFECT_1, SPELL_EFFECT_DUMMY);
    }
 
private:
    uint32 _triggeredSpellId;
    uint32 _triggeredSpellIdDemon;
};
 
// 209693 - Shattered Souls, 209788 - Shattered Souls and 1223412 - Soul Fragment
// Id - 3680, 6659 and 36671
template<uint32 SpellId>
struct at_dh_shattered_souls : public AreaTriggerAI
{
    using AreaTriggerAI::AreaTriggerAI;
 
    void OnUnitEnter(Unit* unit) override
    {
        unit->CastSpell(at->GetPosition(), SpellId, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
        at->Remove();
    }
 
    void OnInitialize() override
    {
        if (Unit* caster = at->GetCaster())
        {
            if (caster->HasAura(SPELL_DH_SHATTERED_SOULS_VENGEANCE))
                caster->CastSpell(caster, SPELL_DH_SOUL_FRAGMENT_COUNTER, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
            else if (caster->HasAura(SPELL_DH_SHATTERED_SOULS_DEVOURER))
                caster->CastSpell(caster, SPELL_DH_SOUL_FRAGMENTS_DEVOURER_COUNTER, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
        }
    }
 
    void OnRemove() override
    {
        if (Unit* caster = at->GetCaster())
        {
            caster->RemoveAuraFromStack(SPELL_DH_SOUL_FRAGMENT_COUNTER);
            caster->RemoveAuraFromStack(SPELL_DH_SOUL_FRAGMENTS_DEVOURER_COUNTER);
        }
    }
};
 
using at_dh_shattered_souls_devourer = at_dh_shattered_souls<SPELL_DH_CONSUME_SOUL_DEVOURER>;
using at_dh_shattered_souls_havoc_demon = at_dh_shattered_souls<SPELL_DH_CONSUME_SOUL_HAVOC_DEMON>;
using at_dh_shattered_souls_havoc_lesser = at_dh_shattered_souls<SPELL_DH_CONSUME_SOUL_HAVOC_LESSER>;
using at_dh_shattered_souls_havoc_shattered = at_dh_shattered_souls<SPELL_DH_CONSUME_SOUL_HAVOC_SHATTERED>;
using at_dh_shattered_souls_vengeance_demon = at_dh_shattered_souls<SPELL_DH_CONSUME_SOUL_VENGEANCE_DEMON>;
using at_dh_shattered_souls_vengeance_lesser = at_dh_shattered_souls<SPELL_DH_CONSUME_SOUL_VENGEANCE_LESSER>;
using at_dh_shattered_souls_vengeance_shattered = at_dh_shattered_souls<SPELL_DH_CONSUME_SOUL_VENGEANCE_SHATTERED>;
 
// 1234796 - Shift
class spell_dh_shift : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_SHIFT_VISUAL_DEST, SPELL_DH_SHIFT_CHARGE });
    }
 
    void HandleEffectDummy(SpellEffIndex /*effIndex*/) const
    {
        Unit* caster = GetCaster();
        WorldLocation const& target = *GetHitDest();
 
        CastSpellExtraArgs args;
        args.TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR;
        args.TriggeringSpell = GetSpell();
 
        caster->CastSpell(target, SPELL_DH_SHIFT_VISUAL_DEST, args);
        caster->CastSpell(target, SPELL_DH_SHIFT_CHARGE, args);
    }
 
    void Register() override
    {
        OnEffectHit += SpellEffectFn(spell_dh_shift::HandleEffectDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 207407 - Soul Carver
class spell_dh_soul_carver : public SpellScript
{
    bool Validate(SpellInfo const* spellInfo) override
    {
        return ValidateSpellEffect({ { spellInfo->Id, EFFECT_2 } })
            && spell_dh_shattered_souls_base_lesser::Validate();
    }
 
    void HandleSoulFragments(SpellEffIndex /*effIndex*/) const
    {
        spell_dh_shattered_souls_base_lesser::CreateFragments(GetHitUnit(), GetCaster(), GetEffectInfo(EFFECT_2).CalcValueAsInt(GetCaster()));
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_soul_carver::HandleSoulFragments, EFFECT_1, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
};
 
class spell_dh_soul_carver_aura : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return spell_dh_shattered_souls_base_lesser::Validate();
    }
 
    void HandleEffectPeriodic(AuraEffect const* /*aurEff*/) const
    {
        if (Unit* caster = GetCaster())
            spell_dh_shattered_souls_base_lesser::CreateFragments(GetTarget(), caster, GetEffectInfo(EFFECT_3).CalcValueAsInt(caster));
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_soul_carver_aura::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DAMAGE);
    }
};
 
// 210788 - Soul Fragments
class spell_dh_soul_fragments_damage_taken_tracker : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellEffect({ { SPELL_DH_SHEAR_PASSIVE, EFFECT_3 } });
    }
 
    bool Load() override
    {
        AuraEffect const* seconds = GetUnitOwner()->GetAuraEffect(SPELL_DH_SHEAR_PASSIVE, EFFECT_3);
        if (!seconds)
            return false;
 
        _damagePerSecond.resize(seconds->GetAmountAsInt());
        return !_damagePerSecond.empty();
    }
 
    static bool CheckProc(AuraScript const&, ProcEventInfo const& eventInfo)
    {
        return eventInfo.GetDamageInfo() != nullptr;
    }
 
    void Update(AuraEffect* /*aurEff*/)
    {
        // Move backwards all datas by one from [23][0][0][0][0] -> [0][23][0][0][0]
        std::move_backward(_damagePerSecond.begin(), std::next(_damagePerSecond.begin(), std::ssize(_damagePerSecond) - 1), _damagePerSecond.end());
        _damagePerSecond[0] = 0;
    }
 
    void HandleCalcAmount(AuraEffect const* /*aurEff*/, SpellEffectValue& amount, bool& canBeRecalculated)
    {
        canBeRecalculated = true;
        amount = std::reduce(_damagePerSecond.begin(), _damagePerSecond.end(), 0u);
    }
 
    void HandleProc(AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo)
    {
        _damagePerSecond[0] += eventInfo.GetDamageInfo()->GetDamage();
    }
 
    void Register() override
    {
        DoCheckProc += AuraCheckProcFn(spell_dh_soul_fragments_damage_taken_tracker::CheckProc);
        OnEffectProc += AuraEffectProcFn(spell_dh_soul_fragments_damage_taken_tracker::HandleProc, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dh_soul_fragments_damage_taken_tracker::HandleCalcAmount, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
        OnEffectUpdatePeriodic += AuraEffectUpdatePeriodicFn(spell_dh_soul_fragments_damage_taken_tracker::Update, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
    }
 
private:
    std::vector<uint32> _damagePerSecond;
};
 
// 389711 - Soulmonger
class spell_dh_soulmonger : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellEffect({ { SPELL_DH_SOULMONGER_ABSORB, EFFECT_0 } });
    }
 
    static bool CheckProc(AuraScript const&, ProcEventInfo const& eventInfo)
    {
        return eventInfo.GetActionTarget()->HealthAbovePctHealed(100, eventInfo.GetHealInfo()->GetHeal());
    }
 
    static void HandleEffectProc(AuraScript const&, AuraEffect const* aurEff, ProcEventInfo const& eventInfo)
    {
        Unit* target = eventInfo.GetActionTarget();
        SpellEffectValue amount = eventInfo.GetHealInfo()->GetHeal();
        if (AuraEffect const* existingAbsorb = target->GetAuraEffect(SPELL_DH_SOULMONGER_ABSORB, EFFECT_0))
            amount += existingAbsorb->GetAmount();
 
        amount = std::min(amount, SpellEffectValue(target->CountPctFromMaxHealth(aurEff->GetAmount())));
 
        target->CastSpell(target, SPELL_DH_SOULMONGER_ABSORB, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringAura = aurEff,
            .SpellValueOverrides = { { SPELLVALUE_BASE_POINT0, amount } }
        });
    }
 
    void Register() override
    {
        DoCheckProc += AuraCheckProcFn(spell_dh_soulmonger::CheckProc);
        OnEffectProc += AuraEffectProcFn(spell_dh_soulmonger::HandleEffectProc, EFFECT_0, SPELL_AURA_DUMMY);
    }
};
 
// 391166 - Soul Furnace
class spell_dh_soul_furnace : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_SOUL_FURNACE_DAMAGE_BUFF });
    }
 
    void CalculateSpellMod(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
    {
        if (GetStackAmount() == GetAura()->CalcMaxStackAmount())
        {
            GetTarget()->CastSpell(GetTarget(), SPELL_DH_SOUL_FURNACE_DAMAGE_BUFF, true);
            Remove();
        }
    }
 
    void Register() override
    {
        AfterEffectApply += AuraEffectApplyFn(spell_dh_soul_furnace::CalculateSpellMod, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
    }
};
 
// 339424 - Soul Furnace
class spell_dh_soul_furnace_conduit : public AuraScript
{
    void CalculateSpellMod(AuraEffect const* aurEff, SpellModifier*& spellMod)
    {
        if (aurEff->GetAmountAsInt() == 10)
        {
            if (!spellMod)
            {
                spellMod = new SpellPctModifierByClassMask(SpellModOp::HealingAndDamage, GetId(), GetAura(), flag128(0x80000000));
                static_cast<SpellPctModifierByClassMask*>(spellMod)->value = GetEffect(EFFECT_1)->GetAmount() + 1;
            }
        }
    }
 
    void Register() override
    {
        DoEffectCalcSpellMod += AuraEffectCalcSpellModFn(spell_dh_soul_furnace_conduit::CalculateSpellMod, EFFECT_0, SPELL_AURA_DUMMY);
    }
};
 
// 395446 - Soul Sigils
class spell_dh_soul_sigils : public AuraScript
{
    void HandleOnProc(AuraEffect const* aurEff, ProcEventInfo const& eventInfo) const
    {
        spell_dh_shattered_souls_base_lesser::CreateFragments(eventInfo.GetActionTarget(), eventInfo.GetActor(), aurEff->GetAmountAsInt());
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_soul_sigils::HandleOnProc, EFFECT_0, SPELL_AURA_DUMMY);
    }
};
 
// 202138 - Sigil of Chains
// 204596 - Sigil of Flame
// 207684 - Sigil of Misery
// 202137 - Sigil of Silence
// 390163 - Sigil of Spite
template<uint32 TriggerSpellId, uint32 TriggerSpellId2 = 0>
struct areatrigger_dh_generic_sigil : AreaTriggerAI
{
    using AreaTriggerAI::AreaTriggerAI;
 
    void OnRemove() override
    {
        if (Unit* caster = at->GetCaster())
        {
            caster->CastSpell(at->GetPosition(), TriggerSpellId, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
            if constexpr (TriggerSpellId2 != 0)
                caster->CastSpell(at->GetPosition(), TriggerSpellId2, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
        }
    }
};
 
using at_dh_elysian_decree = areatrigger_dh_generic_sigil<SPELL_DH_ELYSIAN_DECREE_AOE>;
using areatrigger_dh_sigil_of_chains = areatrigger_dh_generic_sigil<SPELL_DH_SIGIL_OF_CHAINS_TARGET_SELECT, SPELL_DH_SIGIL_OF_CHAINS_VISUAL>;
using areatrigger_dh_sigil_of_flame = areatrigger_dh_generic_sigil<SPELL_DH_SIGIL_OF_FLAME_AOE, SPELL_DH_SIGIL_OF_FLAME_VISUAL>;
using areatrigger_dh_sigil_of_silence = areatrigger_dh_generic_sigil<SPELL_DH_SIGIL_OF_SILENCE_AOE>;
using areatrigger_dh_sigil_of_misery = areatrigger_dh_generic_sigil<SPELL_DH_SIGIL_OF_MISERY_AOE>;
using areatrigger_dh_sigil_of_spite = areatrigger_dh_generic_sigil<SPELL_DH_SIGIL_OF_SPITE_AOE>;
 
// 208673 - Sigil of Chains
class spell_dh_sigil_of_chains : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_SIGIL_OF_CHAINS_SLOW, SPELL_DH_SIGIL_OF_CHAINS_GRIP });
    }
 
    void HandleEffectHitTarget(SpellEffIndex /*effIndex*/)
    {
        if (WorldLocation const* loc = GetExplTargetDest())
        {
            GetCaster()->CastSpell(GetHitUnit(), SPELL_DH_SIGIL_OF_CHAINS_SLOW, true);
            GetHitUnit()->CastSpell(loc->GetPosition(), SPELL_DH_SIGIL_OF_CHAINS_GRIP, true);
        }
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_sigil_of_chains::HandleEffectHitTarget, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 204596 - Sigil of Flame
class spell_dh_sigil_of_flame : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_SIGIL_OF_FLAME_ENERGIZE });
    }
 
    void HandleEnergize(SpellEffIndex /*effIndex*/) const
    {
        Unit* caster = GetCaster();
        caster->CastSpell(caster, SPELL_DH_SIGIL_OF_FLAME_ENERGIZE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHit += SpellEffectFn(spell_dh_sigil_of_flame::HandleEnergize, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// Called by 204598 - Sigil of Flame
class spell_dh_student_of_suffering : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_STUDENT_OF_SUFFERING_TALENT, SPELL_DH_STUDENT_OF_SUFFERING_AURA });
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_STUDENT_OF_SUFFERING_TALENT);
    }
 
    void HandleStudentOfSuffering() const
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_STUDENT_OF_SUFFERING_AURA, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_student_of_suffering::HandleStudentOfSuffering);
    }
};
 
// Called by 198793 - Vengeful Retreat
class spell_dh_tactical_retreat : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_TACTICAL_RETREAT_TALENT, SPELL_DH_TACTICAL_RETREAT_ENERGIZE });
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_TACTICAL_RETREAT_TALENT);
    }
 
    void Energize() const
    {
        GetCaster()->CastSpell(GetCaster(), SPELL_DH_TACTICAL_RETREAT_ENERGIZE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        AfterCast += SpellCastFn(spell_dh_tactical_retreat::Energize);
    }
};
 
// 444931 - Unhindered Assault
class spell_dh_unhindered_assault : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_FELBLADE });
    }
 
    void HandleOnProc(AuraEffect const* /*aurEff*/, ProcEventInfo const& /*eventInfo*/) const
    {
        GetTarget()->GetSpellHistory()->ResetCooldown(SPELL_DH_FELBLADE, true);
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_unhindered_assault::HandleOnProc, EFFECT_0, SPELL_AURA_DUMMY);
    }
};
 
// 198813 - Vengeful Retreat
class spell_dh_vengeful_retreat_damage : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_VENGEFUL_BONDS });
    }
 
    void HandleVengefulBonds(std::list<WorldObject*>& targets)
    {
        if (!GetCaster()->HasAura(SPELL_DH_VENGEFUL_BONDS))
            targets.clear();
    }
 
    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_dh_vengeful_retreat_damage::HandleVengefulBonds, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
    }
};
 
// 452409 - Violent Transformation
class spell_dh_violent_transformation : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_SIGIL_OF_FLAME, SPELL_DH_VENGEANCE_DEMON_HUNTER, SPELL_DH_FEL_DEVASTATION, SPELL_DH_IMMOLATION_AURA });
    }
 
    void HandleOnProc(AuraEffect const* /*aurEff*/, ProcEventInfo const& /*eventInfo*/) const
    {
        Unit* target = GetTarget();
        target->GetSpellHistory()->RestoreCharge(sSpellMgr->AssertSpellInfo(SPELL_DH_SIGIL_OF_FLAME, GetCastDifficulty())->ChargeCategoryId);
 
        if (target->HasAura(SPELL_DH_VENGEANCE_DEMON_HUNTER))
            target->GetSpellHistory()->ResetCooldown(SPELL_DH_FEL_DEVASTATION, true);
        else
            target->GetSpellHistory()->RestoreCharge(sSpellMgr->AssertSpellInfo(SPELL_DH_IMMOLATION_AURA, GetCastDifficulty())->ChargeCategoryId);
    }
 
    void Register() override
    {
        OnEffectProc += AuraEffectProcFn(spell_dh_violent_transformation::HandleOnProc, EFFECT_0, SPELL_AURA_DUMMY);
    }
};
 
// 1245412 - Voidblade
class spell_dh_voidblade : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_VOIDBLADE_CHARGE, SPELL_DH_VOIDBLADE_DAMAGE });
    }
 
    void HandleCharge(SpellEffIndex /*effIndex*/) const
    {
        uint32 spellToCast = GetCaster()->IsWithinMeleeRange(GetHitUnit()) ? SPELL_DH_VOIDBLADE_DAMAGE : SPELL_DH_VOIDBLADE_CHARGE;
        GetCaster()->CastSpell(GetHitUnit(), spellToCast, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_voidblade::HandleCharge, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
// 1241285 - Voidblade Charge
class spell_dh_voidblade_charge : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_VOIDBLADE_DAMAGE });
    }
 
    void HandleDamage(SpellEffIndex /*effIndex*/) const
    {
        GetCaster()->CastSpell(GetHitUnit(), SPELL_DH_VOIDBLADE_DAMAGE, CastSpellExtraArgsInit{
            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
            .TriggeringSpell = GetSpell()
        });
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_dh_voidblade_charge::HandleDamage, EFFECT_0, SPELL_EFFECT_CHARGE);
    }
};
 
// 1240202 - Voidglare Boon (attached to 473728 - Void Ray)
class spell_dh_voidglare_boon : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_VOIDGLARE_BOON_TALENT, SPELL_DH_VOIDGLARE_BOON_ENERGIZE });
    }
 
    bool Load() override
    {
        return GetUnitOwner()->HasAura(SPELL_DH_VOIDGLARE_BOON_TALENT);
    }
 
    void HandleEffectRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
    {
        if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
            return;
 
        Unit* target = GetTarget();
        target->CastSpell(target, SPELL_DH_VOIDGLARE_BOON_ENERGIZE, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_voidglare_boon::HandleEffectRemove, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
    }
};
 
// 473728 - Void Ray
class spell_dh_void_ray : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_VOID_RAY_DAMAGE });
    }
 
    void HandleEffectPeriodic(AuraEffect const* aurEff) const
    {
        if (Unit* caster = GetCaster())
            caster->CastSpell(nullptr, SPELL_DH_VOID_RAY_DAMAGE, CastSpellExtraArgsInit{
                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
                .TriggeringAura = aurEff
            });
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_void_ray::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
    }
};
 
// 179057 - Chaos Nova
class spell_dh_wave_of_debilitation : public AuraScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo({ SPELL_DH_WAVE_OF_DEBILITATION_TALENT, SPELL_DH_WAVE_OF_DEBILITATION_SLOW });
    }
 
    bool Load() override
    {
        return GetCaster()->HasAura(SPELL_DH_WAVE_OF_DEBILITATION_TALENT);
    }
 
    void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
    {
        if (GetTargetApplication()->GetRemoveMode() == AURA_REMOVE_BY_DEATH)
            return;
 
        if (Unit* caster = GetCaster())
            caster->CastSpell(GetTarget(), SPELL_DH_WAVE_OF_DEBILITATION_SLOW, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
    }
 
    void Register() override
    {
        AfterEffectRemove += AuraEffectRemoveFn(spell_dh_wave_of_debilitation::OnRemove, EFFECT_0, SPELL_AURA_MOD_STUN, AURA_EFFECT_HANDLE_REAL);
    }
};
 
void AddSC_demon_hunter_spell_scripts()
{
    RegisterSpellScript(spell_dh_army_unto_oneself);
    RegisterSpellScript(spell_dh_calcified_spikes);
    RegisterSpellScript(spell_dh_calcified_spikes_periodic);
    RegisterSpellScript(spell_dh_chaos_strike);
    RegisterSpellScript(spell_dh_chaos_strike_initial);
    RegisterSpellScript(spell_dh_chaos_theory);
    RegisterSpellScript(spell_dh_chaos_theory_drop_charge);
    RegisterSpellScript(spell_dh_chaotic_transformation);
    RegisterSpellScript(spell_dh_charred_warblades);
    RegisterSpellScript(spell_dh_collective_anguish);
    RegisterSpellScript(spell_dh_collective_anguish_eye_beam);
    RegisterSpellScript(spell_dh_consume_energize);
    RegisterSpellScript(spell_dh_consume_soul_vengeance_lesser);
    RegisterSpellScript(spell_dh_critical_chaos);
    RegisterSpellScript(spell_dh_cull);
    RegisterSpellScript(spell_dh_cycle_of_binding);
    RegisterSpellScript(spell_dh_cycle_of_hatred);
    RegisterSpellScript(spell_dh_cycle_of_hatred_remove_stacks);
    RegisterSpellScript(spell_dh_cycle_of_hatred_talent);
    RegisterSpellScript(spell_dh_darkglare_boon);
    RegisterSpellScript(spell_dh_darkness);
    RegisterSpellScript(spell_dh_deflecting_spikes);
    RegisterSpellScript(spell_dh_demon_muzzle);
    RegisterSpellScriptWithArgs(spell_dh_demonic, "spell_dh_demonic_havoc", SPELL_DH_METAMORPHOSIS_TRANSFORM);
    RegisterSpellScriptWithArgs(spell_dh_demonic, "spell_dh_demonic_vengeance", SPELL_DH_METAMORPHOSIS_VENGEANCE_TRANSFORM);
    RegisterSpellScript(spell_dh_demonic_appetite);
    RegisterSpellScript(spell_dh_demonic_appetite_energize);
    RegisterSpellScript(spell_dh_demon_spikes);
    RegisterSpellScriptWithArgs(spell_dh_elysian_decree, "spell_dh_elysian_decree", SPELL_DH_ELYSIAN_DECREE);
    RegisterAreaTriggerAI(at_dh_elysian_decree);
    RegisterSpellScript(spell_dh_enduring_torment);
    RegisterSpellScript(spell_dh_enduring_torment_buff);
    RegisterSpellScript(spell_dh_eradicate);
    RegisterSpellScript(spell_dh_essence_break);
    RegisterSpellScript(spell_dh_eye_beam);
    RegisterSpellScript(spell_dh_feast_of_souls);
    RegisterSpellScript(spell_dh_fel_devastation);
    RegisterSpellScript(spell_dh_fel_flame_fortification);
    RegisterSpellScript(spell_dh_felblade);
    RegisterSpellScript(spell_dh_felblade_charge);
    RegisterSpellScript(spell_dh_felblade_cooldown_reset_proc);
    RegisterSpellScript(spell_dh_fiery_brand);
    RegisterSpellScript(spell_dh_furious_gaze);
    RegisterAreaTriggerAI(at_dh_glaive_tempest);
    RegisterSpellScript(spell_dh_inner_demon);
    RegisterAreaTriggerAI(at_dh_inner_demon);
    RegisterSpellScript(spell_dh_know_your_enemy);
    RegisterSpellScript(spell_dh_last_resort);
    RegisterSpellScript(spell_dh_moment_of_craving);
    RegisterSpellScript(spell_dh_monster_rising);
    RegisterSpellScript(spell_dh_painbringer);
    RegisterSpellScript(spell_dh_painbringer_reduce_damage);
    RegisterSpellScript(spell_dh_reap);
    RegisterSpellScript(spell_dh_repeat_decree_conduit);
    RegisterSpellScript(spell_dh_restless_hunter);
    RegisterSpellScript(spell_dh_retaliation);
    RegisterSpellScript(spell_dh_shattered_destiny);
    RegisterSpellScript(spell_dh_shattered_restoration);
    RegisterSpellScriptWithArgs(spell_dh_shattered_souls, "spell_dh_shattered_souls_havoc", SPELL_DH_SHATTERED_SOULS_HAVOC);
    RegisterSpellScriptWithArgs(spell_dh_shattered_souls, "spell_dh_shattered_souls_vengeance", SPELL_DH_SHATTER_SOUL);
    RegisterSpellScriptWithArgs(spell_dh_shattered_souls_trigger, "spell_dh_shattered_souls_devourer_trigger", SPELL_DH_SHATTERED_SOULS_DEVOURER_DUMMY, 0);
    RegisterSpellScriptWithArgs(spell_dh_shattered_souls_trigger, "spell_dh_shattered_souls_havoc_trigger", SPELL_DH_SHATTERED_SOULS_HAVOC_SHATTERED_TRIGGER, SPELL_DH_SHATTERED_SOULS_HAVOC_DEMON_TRIGGER);
    RegisterSpellScriptWithArgs(spell_dh_shattered_souls_trigger, "spell_dh_shattered_souls_havoc_trigger_lesser", SPELL_DH_SHATTERED_SOULS_HAVOC_LESSER_TRIGGER, 0);
    RegisterSpellScriptWithArgs(spell_dh_shattered_souls_trigger, "spell_dh_shattered_souls_vengeance_trigger", SPELL_DH_SHATTERED_SOULS_V_SHATTERED_TRIGGER, SPELL_DH_SHATTERED_SOULS_V_DEMON_TRIGGER);
    RegisterSpellScriptWithArgs(spell_dh_shattered_souls_trigger, "spell_dh_shattered_souls_vengeance_trigger_lesser", SPELL_DH_SHATTERED_SOUL, 0);
    RegisterSpellScript(spell_dh_shattered_souls_devourer);
    RegisterSpellScript(spell_dh_shattered_souls_devourer_dummy);
    RegisterAreaTriggerAI(at_dh_shattered_souls_devourer);
    RegisterAreaTriggerAI(at_dh_shattered_souls_havoc_demon);
    RegisterAreaTriggerAI(at_dh_shattered_souls_havoc_lesser);
    RegisterAreaTriggerAI(at_dh_shattered_souls_havoc_shattered);
    RegisterAreaTriggerAI(at_dh_shattered_souls_vengeance_demon);
    RegisterAreaTriggerAI(at_dh_shattered_souls_vengeance_lesser);
    RegisterAreaTriggerAI(at_dh_shattered_souls_vengeance_shattered);
    RegisterSpellScript(spell_dh_shift);
    RegisterSpellScript(spell_dh_sigil_of_chains);
    RegisterSpellScript(spell_dh_sigil_of_flame);
    RegisterSpellScriptWithArgs(spell_dh_elysian_decree, "spell_dh_sigil_of_spite", SPELL_DH_SIGIL_OF_SPITE);
    RegisterSpellScript(spell_dh_soulmonger);
    RegisterSpellAndAuraScriptPair(spell_dh_soul_carver, spell_dh_soul_carver_aura);
    RegisterSpellScript(spell_dh_soul_fragments_damage_taken_tracker);
    RegisterSpellScript(spell_dh_soul_sigils);
    RegisterSpellScript(spell_dh_student_of_suffering);
    RegisterSpellScript(spell_dh_tactical_retreat);
    RegisterSpellScript(spell_dh_unhindered_assault);
    RegisterSpellScript(spell_dh_vengeful_retreat_damage);
    RegisterSpellScript(spell_dh_violent_transformation);
    RegisterSpellScript(spell_dh_voidblade);
    RegisterSpellScript(spell_dh_voidblade_charge);
    RegisterSpellScript(spell_dh_voidglare_boon);
    RegisterSpellScript(spell_dh_void_ray);
    RegisterSpellScript(spell_dh_wave_of_debilitation);
 
    RegisterAreaTriggerAI(areatrigger_dh_darkness);
    RegisterAreaTriggerAI(areatrigger_dh_sigil_of_chains);
    RegisterAreaTriggerAI(areatrigger_dh_sigil_of_flame);
    RegisterAreaTriggerAI(areatrigger_dh_sigil_of_silence);
    RegisterAreaTriggerAI(areatrigger_dh_sigil_of_misery);
    RegisterAreaTriggerAI(areatrigger_dh_sigil_of_spite);
 
    // Havoc
 
    /* Spells & Auras */
 
    /* Auras */
 
    RegisterSpellScript(spell_dh_first_blood);
 
    /* AreaTrigger */
 
    /* Spells */
 
    RegisterSpellScript(spell_dh_blade_dance);
    RegisterSpellScript(spell_dh_blade_dance_damage);
 
    // Vengeance
    RegisterSpellScript(spell_dh_soul_furnace);
 
    // Vengeance & Havoc
 
    RegisterSpellAndAuraScriptPair(spell_dh_glide, spell_dh_glide_AuraScript);
    RegisterSpellScript(spell_dh_glide_timer);
 
    // Soulbind conduits
    RegisterSpellScript(spell_dh_soul_furnace_conduit);
}