wowlab_engine_content/hooks/destruction_warlock/
hooks.rs

1use wowlab_engine_combat::DamageOps as _;
2use wowlab_engine_combat::ResourceOps as _;
3use wowlab_engine_combat::SchedulingOps as _;
4use wowlab_engine_combat::GuardianOps as _;
5use wowlab_engine_combat::AuraOps as _;
6use wowlab_engine_combat::{
7    DamageFlags, GuardianAbility, GuardianEvent, GuardianSpec, HookCtx, MasteryCtx,
8};
9use wowlab_engine_domain::{
10    damage::pet_swing_power_coefficient,
11    dbc::ResolvedGameDataEffectExt as _,
12};
13use wowlab_engine_rng::proc_chance;
14use wowlab_types::{combat::DamageSchool, constants::HUNDRED};
15
16use crate::generated::specs::destruction_warlock::{
17    AURA, AURA_AVATAR_OF_DESTRUCTION_TALENT, AURA_BACKDRAFT, AURA_CHAOTIC_INFERNO,
18    AURA_CHAOTIC_INFERNO_TALENT, AURA_DEMONIC_ART_MOTHER, AURA_DEMONIC_ART_OVERLORD,
19    AURA_DEMONIC_ART_PIT_LORD, AURA_DIABOLIC_RITUAL_MOTHER, AURA_DIABOLIC_RITUAL_OVERLORD,
20    AURA_DIABOLIC_RITUAL_PIT_LORD, AURA_DIABOLIC_RITUAL_TALENT, AURA_EMBERS_OF_NIHILAM_1_TALENT,
21    AURA_EMBERS_OF_NIHILAM_2_TALENT, AURA_EMBERS_OF_NIHILAM_3_TALENT, AURA_FIENDISH_CRUELTY,
22    AURA_FIENDISH_CRUELTY_TALENT, AURA_INFERNAL_EMBERS, AURA_VISION_OF_NIHILAM, EFFECT,
23    REPORTED_SPELL, SPELL,
24};
25use crate::hooks::shared::warlock::{DiabolicRitual, WarlockSpec};
26
27const DIABOLIC_RITUAL: DiabolicRitual = DiabolicRitual {
28    talent: AURA_DIABOLIC_RITUAL_TALENT,
29    art: [
30        AURA_DEMONIC_ART_OVERLORD,
31        AURA_DEMONIC_ART_MOTHER,
32        AURA_DEMONIC_ART_PIT_LORD,
33    ],
34    ritual: [
35        AURA_DIABOLIC_RITUAL_OVERLORD,
36        AURA_DIABOLIC_RITUAL_MOTHER,
37        AURA_DIABOLIC_RITUAL_PIT_LORD,
38    ],
39};
40
41/// Half of the Chaotic Energies bonus is guaranteed; the rest is a uniform roll in `[0, half]`.
42const CHAOTIC_ENERGIES_MEAN_ROLL: f64 = 0.75;
43
44/// Infernal pet AP/SP is 2.2275 times owner SP.
45const INFERNAL_COEF_FROM_SP: f64 = 2.2275;
46const INFERNAL_DURATION_MS: u32 = 30_000;
47const INFERNAL_ACTION_MS: u32 = 2_000;
48const DIABOLIC_RITUAL_REDUCTION_MS: u32 = 1_000;
49const OVERFIEND_DURATION_MS: u32 = 8_000;
50const OVERFIEND_CAST_MS: u32 = 3_000;
51const OVERFIEND_CHAOS_BOLT_EFFICIENCY: f64 = 0.60;
52const OVERFIEND_SHARDS: f64 = 0.8;
53const ECHO_OF_SARGERAS_BASE_CHANCE: f64 = 0.10;
54pub(super) const SAYAAD_ACTION_MS: u32 = 6_000;
55const SAYAAD_DAMAGE_MULT: f64 = 1.15;
56const CHAOTIC_INFERNO_CHANCE: f64 = 0.25;
57const CHAOS_BOLT_RITUAL_SHARDS: u32 = 2;
58const FIENDISH_CRUELTY_BASE_CHANCE: f64 = 0.10;
59const OVERFIEND_BOLTS_PER_ACTION: f64 = 2.0;
60const OVERFIEND_MAX_ACTIONS: u16 = 3;
61const CONFLAGRATION_OF_CHAOS_MULT: f64 = 2.0;
62
63const fn pet_inherits_chaotic_energies(is_pet: bool, spell_id: u32) -> bool {
64    !is_pet || spell_id == SPELL::CHAOS_BOLT
65}
66
67pub(super) fn sayaad_action(ctx: &mut HookCtx<'_>, _event: GuardianEvent) {
68    let coefficient = ctx
69        .game_data()
70        .effect_sp_coefficient(EFFECT::LASH_OF_PAIN_DAMAGE);
71
72    ctx.deal_damage_sp(
73        REPORTED_SPELL::LASH_OF_PAIN,
74        coefficient * SAYAAD_DAMAGE_MULT,
75        DamageFlags::PET,
76    );
77}
78
79fn trigger_echo_of_sargeras(ctx: &mut HookCtx<'_>, report_spell_id: u32) {
80    let coefficient = ctx
81        .game_data()
82        .effect_sp_coefficient(EFFECT::ECHO_OF_SARGERAS_DAMAGE);
83
84    ctx.deal_profiled_damage_sp(
85        report_spell_id,
86        REPORTED_SPELL::ECHO_OF_SARGERAS,
87        coefficient,
88        DamageFlags::empty(),
89    );
90
91    if ctx.is_aura_active(AURA_EMBERS_OF_NIHILAM_2_TALENT.raw()) {
92        ctx.apply_aura(AURA_VISION_OF_NIHILAM.raw());
93    }
94}
95
96fn maybe_trigger_base_echo(ctx: &mut HookCtx<'_>) {
97    if ctx.is_aura_active(AURA_EMBERS_OF_NIHILAM_1_TALENT.raw())
98        && proc_chance(ctx.rng(), ECHO_OF_SARGERAS_BASE_CHANCE)
99    {
100        trigger_echo_of_sargeras(ctx, REPORTED_SPELL::ECHO_OF_SARGERAS);
101    }
102}
103
104fn diabolist_spender(ctx: &mut HookCtx<'_>, reduction_ms: u32) {
105    let ritual_was_active = DIABOLIC_RITUAL.active(ctx);
106    let next_ritual = DIABOLIC_RITUAL.consume_art(ctx);
107
108    if next_ritual.is_some() {
109        crate::hooks::shared::warlock::explode_oculi(ctx, WarlockSpec::Destruction);
110    }
111
112    DIABOLIC_RITUAL.advance(ctx, next_ritual, reduction_ms);
113
114    if ritual_was_active {
115        crate::hooks::shared::warlock::trigger_oculi(ctx, WarlockSpec::Destruction);
116    }
117}
118
119fn maybe_trigger_fiendish_cruelty(ctx: &mut HookCtx<'_>, chance: f64) {
120    if ctx.is_aura_active(AURA_FIENDISH_CRUELTY_TALENT.raw()) && proc_chance(ctx.rng(), chance) {
121        ctx.apply_aura(AURA_FIENDISH_CRUELTY.raw());
122    }
123}
124
125pub(crate) fn chaos_bolt_hook(ctx: &mut HookCtx<'_>) {
126    ctx.consume_aura_stack(AURA_BACKDRAFT.raw());
127
128    if ctx.is_aura_active(AURA_EMBERS_OF_NIHILAM_3_TALENT.raw()) {
129        trigger_echo_of_sargeras(ctx, REPORTED_SPELL::ECHO_OF_SARGERAS_CB);
130    }
131
132    if ctx.is_aura_active(AURA_CHAOTIC_INFERNO_TALENT.raw())
133        && proc_chance(ctx.rng(), CHAOTIC_INFERNO_CHANCE)
134    {
135        ctx.apply_aura(AURA_CHAOTIC_INFERNO.raw());
136    }
137
138    diabolist_spender(ctx, DIABOLIC_RITUAL_REDUCTION_MS * CHAOS_BOLT_RITUAL_SHARDS);
139    maybe_trigger_fiendish_cruelty(ctx, FIENDISH_CRUELTY_BASE_CHANCE);
140}
141
142pub(crate) fn conflagrate_hook(ctx: &mut HookCtx<'_>) {
143    ctx.apply_aura(AURA_BACKDRAFT.raw());
144    maybe_trigger_fiendish_cruelty(ctx, FIENDISH_CRUELTY_BASE_CHANCE);
145}
146
147pub(crate) fn incinerate_hook(ctx: &mut HookCtx<'_>) {
148    let chaotic_inferno = ctx.is_aura_active(AURA_CHAOTIC_INFERNO.raw());
149
150    if !chaotic_inferno {
151        ctx.consume_aura_stack(AURA_BACKDRAFT.raw());
152    }
153
154    ctx.consume_aura(AURA_CHAOTIC_INFERNO.raw());
155    maybe_trigger_base_echo(ctx);
156    let buffs = wowlab_engine_combat::accumulate_buffs(ctx.state(), ctx.buf(), ctx.target());
157    let crit_chance = ((ctx.buf().player().crit + buffs.crit_pct) / HUNDRED).clamp(0.0, 1.0);
158
159    maybe_trigger_fiendish_cruelty(ctx, FIENDISH_CRUELTY_BASE_CHANCE * crit_chance);
160}
161
162fn overfiend_action(ctx: &mut HookCtx<'_>, _event: GuardianEvent) {
163    let coefficient = ctx
164        .game_data()
165        .effect_sp_coefficient(EFFECT::CHAOS_BOLT_DAMAGE);
166
167    ctx.deal_damage_sp(
168        SPELL::CHAOS_BOLT,
169        coefficient * OVERFIEND_CHAOS_BOLT_EFFICIENCY * OVERFIEND_BOLTS_PER_ACTION,
170        DamageFlags::PET | DamageFlags::NO_CRIT,
171    );
172}
173
174pub(crate) fn soul_fire_hook(ctx: &mut HookCtx<'_>) {
175    ctx.consume_aura_stack(AURA_BACKDRAFT.raw());
176
177    if !ctx.is_aura_active(AURA_AVATAR_OF_DESTRUCTION_TALENT.raw()) {
178        return;
179    }
180
181    ctx.gain_resource(OVERFIEND_SHARDS);
182    let _ = ctx.summon_guardian(
183        GuardianSpec::new_inheriting_owner(AURA::OVERFIEND, OVERFIEND_DURATION_MS).ability(
184            GuardianAbility::new(OVERFIEND_CAST_MS, overfiend_action)
185                .first_action_delay(OVERFIEND_CAST_MS)
186                .hasted_actions()
187                .max_actions(OVERFIEND_MAX_ACTIONS)
188                .ends_guardian(),
189        ),
190    );
191}
192
193pub(crate) fn infernal_bolt_hook(ctx: &mut HookCtx<'_>) {
194    ctx.consume_aura_stack(AURA_BACKDRAFT.raw());
195    ctx.consume_aura(AURA_CHAOTIC_INFERNO.raw());
196    maybe_trigger_base_echo(ctx);
197}
198
199pub(crate) fn rain_of_fire_hook(ctx: &mut HookCtx<'_>) {
200    ctx.schedule_ground_effect_from_data(
201        SPELL::RAIN_OF_FIRE,
202        EFFECT::RAIN_OF_FIRE_TIMING.1,
203        (SPELL::RAIN_OF_FIRE, 1),
204        EFFECT::RAIN_OF_FIRE_DAMAGE,
205        DamageFlags::PERIODIC,
206    );
207    diabolist_spender(ctx, DIABOLIC_RITUAL_REDUCTION_MS);
208}
209
210pub(crate) fn shadowburn_hook(ctx: &mut HookCtx<'_>) {
211    if ctx.is_aura_active(AURA_EMBERS_OF_NIHILAM_3_TALENT.raw()) {
212        trigger_echo_of_sargeras(ctx, REPORTED_SPELL::ECHO_OF_SARGERAS_SB);
213    }
214
215    diabolist_spender(ctx, DIABOLIC_RITUAL_REDUCTION_MS);
216    ctx.consume_aura(AURA_FIENDISH_CRUELTY.raw());
217}
218
219pub(crate) fn ruination_hook(ctx: &mut HookCtx<'_>) {
220    if DIABOLIC_RITUAL.consume_art(ctx).is_some() {
221        crate::hooks::shared::warlock::explode_oculi(ctx, WarlockSpec::Destruction);
222    }
223}
224
225fn infernal_action(ctx: &mut HookCtx<'_>, _event: GuardianEvent) {
226    let swing = INFERNAL_COEF_FROM_SP * pet_swing_power_coefficient(1.0, INFERNAL_ACTION_MS, 1.0);
227
228    ctx.deal_damage_sp(
229        REPORTED_SPELL::INFERNAL_MELEE,
230        swing,
231        DamageFlags::PHYSICAL | DamageFlags::PET,
232    );
233    let immolation = ctx
234        .game_data()
235        .effect_sp_coefficient(EFFECT::IMMOLATION_DAMAGE)
236        * INFERNAL_COEF_FROM_SP;
237
238    ctx.deal_damage_sp(REPORTED_SPELL::IMMOLATION, immolation, DamageFlags::PET);
239}
240
241/// Summons a 30-second Infernal and starts its Embers fragment stream.
242pub(crate) fn summon_infernal_hook(ctx: &mut HookCtx<'_>) {
243    let _ = ctx.summon_guardian(
244        GuardianSpec::new_inheriting_owner(REPORTED_SPELL::INFERNAL_MELEE, INFERNAL_DURATION_MS)
245            .ability(
246                GuardianAbility::new(INFERNAL_ACTION_MS, infernal_action)
247                    .first_action_delay(INFERNAL_ACTION_MS)
248                    .hasted_actions(),
249            ),
250    );
251
252    ctx.apply_aura(AURA_INFERNAL_EMBERS.raw());
253}
254
255/// Returns Chaotic Energies mastery damage.
256#[must_use]
257pub(crate) fn mastery(ctx: &MasteryCtx<'_>) -> f64 {
258    // SimC's ordinary warlock_pet_spell_t does not inherit Chaotic Energies.
259    // Its Destruction rift and Overfiend Chaos Bolts opt in explicitly.
260    if !pet_inherits_chaotic_energies(ctx.is_pet, ctx.spell_id)
261        || matches!(
262            ctx.spell_id,
263            REPORTED_SPELL::DIABOLIC_GAZE_1
264                | REPORTED_SPELL::DIABOLIC_GAZE_2
265                | REPORTED_SPELL::DIABOLIC_GAZE_3
266        )
267    {
268        return 1.0;
269    }
270
271    let mastery = match ctx.school {
272        DamageSchool::Fire | DamageSchool::Chaos => {
273            1.0 + CHAOTIC_ENERGIES_MEAN_ROLL * ctx.points(1) / HUNDRED
274        }
275        _ => 1.0,
276    };
277
278    if ctx.spell_id == SPELL::CHAOS_BOLT {
279        let buffs = wowlab_engine_combat::accumulate_buffs(ctx.state, ctx.buf, ctx.target);
280        let crit_fraction = (ctx.buf.player().crit + buffs.crit_pct) / HUNDRED;
281
282        mastery * (1.0 + crit_fraction)
283    } else if matches!(ctx.spell_id, SPELL::CONFLAGRATE | SPELL::SHADOWBURN)
284        && ctx.is_aura_active_id(AURA::CONFLAGRATION_OF_CHAOS_TALENT)
285    {
286        mastery * CONFLAGRATION_OF_CHAOS_MULT
287    } else {
288        mastery
289    }
290}
291
292#[cfg(test)]
293mod tests {
294    use googletest::prelude::*;
295
296    use super::*;
297
298    #[gtest]
299    fn only_explicit_pet_chaos_bolts_inherit_chaotic_energies() -> Result<()> {
300        verify_false!(pet_inherits_chaotic_energies(
301            true,
302            REPORTED_SPELL::CHAOS_SALVO
303        ))?;
304        verify_false!(pet_inherits_chaotic_energies(
305            true,
306            REPORTED_SPELL::IMMOLATION
307        ))?;
308        verify_true!(pet_inherits_chaotic_energies(true, SPELL::CHAOS_BOLT))?;
309
310        verify_true!(pet_inherits_chaotic_energies(false, SPELL::CONFLAGRATE))
311    }
312}
wowlab_engine_content/hooks/destruction_warlock/hooks.rs

wowlab_engine_content/hooks/destruction_warlock/
hooks.rs
