Scripts/Spells: Implement priest talent Harsh Discipline (#31468)

sql/updates/world/master/2026_01_03_10_world.sql

@@ -0,0 +1,7 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_pri_harsh_discipline';
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(194509,'spell_pri_harsh_discipline');
+
+DELETE FROM `spell_proc` WHERE `SpellId` IN (373183);
+INSERT INTO `spell_proc` (`SpellId`,`SchoolMask`,`SpellFamilyName`,`SpellFamilyMask0`,`SpellFamilyMask1`,`SpellFamilyMask2`,`SpellFamilyMask3`,`ProcFlags`,`ProcFlags2`,`SpellTypeMask`,`SpellPhaseMask`,`HitMask`,`AttributesMask`,`DisableEffectsMask`,`ProcsPerMinute`,`Chance`,`Cooldown`,`Charges`) VALUES
+(373183,0x00,6,0x00000000,0x00000000,0x00000000,0x00000000,0x0,0x0,0x0,0x0,0x0,0x1A,0x0,0,0,0,0); -- Harsh Discipline

src/server/scripts/Spells/spell_priest.cpp

@@ -63,6 +63,7 @@ enum PriestSpells
     SPELL_PRIEST_BODY_AND_SOUL                      = 64129,
     SPELL_PRIEST_BODY_AND_SOUL_SPEED                = 65081,
     SPELL_PRIEST_BURNING_VEHEMENCE_DAMAGE           = 400370,
+    SPELL_PRIEST_CASTIGATION                        = 193134,
     SPELL_PRIEST_CENSURE                            = 200199,
     SPELL_PRIEST_CIRCLE_OF_HEALING                  = 204883,
     SPELL_PRIEST_CRYSTALLINE_REFLECTION             = 373457,
@@ -117,6 +118,8 @@ enum PriestSpells
     SPELL_PRIEST_HALO_HOLY_HEAL                     = 120692,
     SPELL_PRIEST_HALO_SHADOW_DAMAGE                 = 390964,
     SPELL_PRIEST_HALO_SHADOW_HEAL                   = 390971,
+    SPELL_PRIEST_HARSH_DISCIPLINE                   = 373180,
+    SPELL_PRIEST_HARSH_DISCIPLINE_AURA              = 373183,
     SPELL_PRIEST_HEAL                               = 2060,
     SPELL_PRIEST_HEALING_LIGHT                      = 196809,
     SPELL_PRIEST_HEAVENS_WRATH                      = 421558,
@@ -1784,6 +1787,56 @@ class spell_pri_guardian_spirit : public AuraScript
     }
 };
 
+// 373180 - Harsh Discipline
+// Triggered by 194509 - Power Word: Radiance
+class spell_pri_harsh_discipline : public SpellScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_PRIEST_HARSH_DISCIPLINE_AURA })
+            && ValidateSpellEffect({ { SPELL_PRIEST_HARSH_DISCIPLINE, EFFECT_1 }, { SPELL_PRIEST_PENANCE_CHANNEL_DAMAGE, EFFECT_1 } });
+    }
+
+    bool Load() override
+    {
+        return GetCaster()->HasAura(SPELL_PRIEST_HARSH_DISCIPLINE);
+    }
+
+    void HandleEffectHit(SpellEffIndex /*effIndex*/) const
+    {
+        Unit* caster = GetCaster();
+        SpellInfo const* penanceChannel = sSpellMgr->AssertSpellInfo(SPELL_PRIEST_PENANCE_CHANNEL_DAMAGE, GetCastDifficulty());
+        int32 additionalBolts = sSpellMgr->AssertSpellInfo(SPELL_PRIEST_HARSH_DISCIPLINE, GetCastDifficulty())->GetEffect(EFFECT_1).CalcValue(caster);
+
+        // do the calc here
+        float channelDuration = penanceChannel->GetDuration();
+        float channelPeriod = penanceChannel->GetEffect(EFFECT_1).ApplyAuraPeriod;
+
+        float baseBolts = channelDuration / channelPeriod;
+        if (caster->HasAura(SPELL_PRIEST_CASTIGATION))
+            baseBolts += 1.0f;
+
+        float basePeriod = channelDuration / baseBolts;
+
+        float totalBolts = baseBolts + additionalBolts;
+        float newPeriod = channelDuration / totalBolts;
+        float pctDiff = GetPctOf(newPeriod - basePeriod, basePeriod);
+
+        caster->CastSpell(caster, SPELL_PRIEST_HARSH_DISCIPLINE_AURA, CastSpellExtraArgsInit{
+            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+            .SpellValueOverrides = {
+                { SPELLVALUE_BASE_POINT0, static_cast<int32>(std::floor(pctDiff)) },
+                { SPELLVALUE_BASE_POINT1, additionalBolts }
+            }
+        });
+    }
+
+    void Register() override
+    {
+        OnEffectHit += SpellEffectFn(spell_pri_harsh_discipline::HandleEffectHit, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
 // 421558 - Heaven's Wrath
 class spell_pri_heavens_wrath : public AuraScript
 {
@@ -4476,6 +4529,7 @@ void AddSC_priest_spell_scripts()
     RegisterSpellScript(spell_pri_guardian_spirit);
     RegisterSpellScript(spell_pri_halo_shadow);
     RegisterAreaTriggerAI(areatrigger_pri_halo);
+    RegisterSpellScript(spell_pri_harsh_discipline);
     RegisterSpellScript(spell_pri_heavens_wrath);
     RegisterSpellScript(spell_pri_holy_mending);
     RegisterSpellScript(spell_pri_holy_words);