From ff256d20e52b980cde0000f0f7cfc947868c80dd Mon Sep 17 00:00:00 2001
From: Aqua Deus <95978183+aquadeus@users.noreply.github.com>
Date: Wed, 29 Oct 2025 16:04:11 +0100
Subject: Core/Spells: Name SpellCategoryFlags with official names and
 implement ResetCooldownUponEndingEncounter flag (#31415)

---
 src/server/game/DataStores/DB2Structure.h |  2 ++
 src/server/game/DataStores/DBCEnums.h     | 16 +++++++++++-----
 src/server/game/Entities/Unit/Unit.cpp    |  8 +++++++-
 src/server/game/Spells/SpellHistory.cpp   |  6 +++---
 src/server/game/Spells/SpellInfo.cpp      |  2 +-
 5 files changed, 24 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/server/game/DataStores/DB2Structure.h b/src/server/game/DataStores/DB2Structure.h
index 15216bd4486..0a5b8e866a4 100644
--- a/src/server/game/DataStores/DB2Structure.h
+++ b/src/server/game/DataStores/DB2Structure.h
@@ -3804,6 +3804,8 @@ struct SpellCategoryEntry
     int32 MaxCharges;
     int32 ChargeRecoveryTime;
     int32 TypeMask;
+
+    EnumFlag<SpellCategoryFlags> GetFlags() const { return static_cast<SpellCategoryFlags>(Flags); }
 };
 
 struct SpellClassOptionsEntry
diff --git a/src/server/game/DataStores/DBCEnums.h b/src/server/game/DataStores/DBCEnums.h
index 35e9b52be9f..247c73004d5 100644
--- a/src/server/game/DataStores/DBCEnums.h
+++ b/src/server/game/DataStores/DBCEnums.h
@@ -2278,14 +2278,20 @@ enum SkillRaceClassInfoFlags
     SKILL_FLAG_MONO_VALUE               = 0x400     // Skill always has value 1 - clientside display flag, real value can be different
 };
 
-enum SpellCategoryFlags
+enum class SpellCategoryFlags
 {
-    SPELL_CATEGORY_FLAG_COOLDOWN_SCALES_WITH_WEAPON_SPEED   = 0x01, // unused
-    SPELL_CATEGORY_FLAG_COOLDOWN_STARTS_ON_EVENT            = 0x04,
-    SPELL_CATEGORY_FLAG_COOLDOWN_EXPIRES_AT_DAILY_RESET     = 0x08,
-    SPELL_CATEGORY_FLAG_IGNORE_FOR_MOD_TIME_RATE            = 0x40
+    CooldownModifiesItem               = 0x01,      // NYI
+    CooldownIsGlobal                   = 0x02,      // NYI
+    CooldownEventOnLeaveCombat         = 0x04,
+    CooldownInDays                     = 0x08,
+    ResetChargesUponEndingEncounter    = 0x10,      // NYI
+    ResetCooldownUponEndingEncounter   = 0x20,
+    IgnoreForModTimeRate               = 0x40,
+    Unknown                            = 0x80       // NYI
 };
 
+DEFINE_ENUM_FLAG(SpellCategoryFlags);
+
 enum class SpellEffectAttributes
 {
     None                                    = 0,
diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 116d81d9f38..c6466bba6b4 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -581,8 +581,14 @@ void Unit::AtEndOfEncounter(EncounterType type)
     GetSpellHistory()->ResetCooldowns([](SpellHistory::CooldownEntry const& cooldown)
     {
         SpellInfo const* spellInfo = sSpellMgr->AssertSpellInfo(cooldown.SpellId, DIFFICULTY_NONE);
+        if (spellInfo->HasAttribute(SPELL_ATTR10_RESET_COOLDOWN_ON_ENCOUNTER_END))
+            return true;
+
+        if (SpellCategoryEntry const* category = sSpellCategoryStore.LookupEntry(spellInfo->CategoryId))
+            if (category->GetFlags().HasFlag(SpellCategoryFlags::ResetCooldownUponEndingEncounter))
+                return true;
 
-        return spellInfo->HasAttribute(SPELL_ATTR10_RESET_COOLDOWN_ON_ENCOUNTER_END);
+        return false;
     }, true);
 }
 
diff --git a/src/server/game/Spells/SpellHistory.cpp b/src/server/game/Spells/SpellHistory.cpp
index ac89b5ae396..bfa2d769b3c 100644
--- a/src/server/game/Spells/SpellHistory.cpp
+++ b/src/server/game/Spells/SpellHistory.cpp
@@ -506,7 +506,7 @@ void SpellHistory::StartCooldown(SpellInfo const* spellInfo, uint32 itemId, Spel
                 }
 
                 SpellCategoryEntry const* categoryEntry = sSpellCategoryStore.AssertEntry(categoryId);
-                if (categoryEntry->Flags & SPELL_CATEGORY_FLAG_COOLDOWN_EXPIRES_AT_DAILY_RESET)
+                if (categoryEntry->GetFlags().HasFlag(SpellCategoryFlags::CooldownInDays))
                     categoryCooldown = duration_cast<Milliseconds>(Clock::from_time_t(sWorld->GetNextDailyQuestsResetTime()) - GameTime::GetTime<Clock>());
             }
         }
@@ -1027,8 +1027,8 @@ int32 SpellHistory::GetChargeRecoveryTime(uint32 chargeCategoryId) const
             recoveryTimeF *= 100.0f / (std::max<float>(modRecoveryRate->GetAmount(), -99.0f) + 100.0f);
 
     if (Milliseconds(chargeCategoryEntry->ChargeRecoveryTime) <= 1h
-        && !(chargeCategoryEntry->Flags & SPELL_CATEGORY_FLAG_IGNORE_FOR_MOD_TIME_RATE)
-        && !(chargeCategoryEntry->Flags & SPELL_CATEGORY_FLAG_COOLDOWN_EXPIRES_AT_DAILY_RESET))
+        && !(chargeCategoryEntry->GetFlags().HasFlag(SpellCategoryFlags::IgnoreForModTimeRate))
+        && !(chargeCategoryEntry->GetFlags().HasFlag(SpellCategoryFlags::CooldownInDays)))
         recoveryTimeF *= *_owner->m_unitData->ModTimeRate;
 
     return int32(std::floor(recoveryTimeF));
diff --git a/src/server/game/Spells/SpellInfo.cpp b/src/server/game/Spells/SpellInfo.cpp
index 4eaca9be938..968202593eb 100644
--- a/src/server/game/Spells/SpellInfo.cpp
+++ b/src/server/game/Spells/SpellInfo.cpp
@@ -1763,7 +1763,7 @@ bool SpellInfo::IsCooldownStartedOnEvent() const
         return true;
 
     SpellCategoryEntry const* category = sSpellCategoryStore.LookupEntry(CategoryId);
-    return category && category->Flags & SPELL_CATEGORY_FLAG_COOLDOWN_STARTS_ON_EVENT;
+    return category && category->GetFlags().HasFlag(SpellCategoryFlags::CooldownEventOnLeaveCombat);
 }
 
 bool SpellInfo::IsDeathPersistent() const
-- 
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