Core/Player: implement ResetCoolDownAfterDuel configurable feature

src/server/game/Entities/Player/Player.cpp

@@ -7610,6 +7610,20 @@ void Player::DuelComplete(DuelCompleteType type)
     duel->opponent->SetGuidValue(PLAYER_DUEL_ARBITER, ObjectGuid::Empty);
     duel->opponent->SetUInt32Value(PLAYER_DUEL_TEAM, 0);
 
+    if (sWorld->getBoolConfig(CONFIG_RESET_COOLDOWN_AFTER_DUEL) &&
+        type != DUEL_INTERRUPTED)
+    {
+        if (!HasCoolDownBeforeDuel())
+            RemoveArenaSpellCooldowns(true);
+        else
+            ChatHandler(GetSession()).PSendSysMessage(LANG_COOLDOWN_NOT_RESET_AFTER_DUEL);
+
+        if (!duel->opponent->HasCoolDownBeforeDuel())
+            duel->opponent->RemoveArenaSpellCooldowns(true);
+        else
+            ChatHandler(duel->opponent->GetSession()).PSendSysMessage(LANG_COOLDOWN_NOT_RESET_AFTER_DUEL);
+    }
+
     delete duel->opponent->duel;
     duel->opponent->duel = NULL;
     delete duel;

src/server/game/Entities/Player/Player.h

@@ -27,6 +27,7 @@
 #include "PetDefines.h"
 #include "QuestDef.h"
 #include "SpellMgr.h"
+#include "SpellHistory.h"
 #include "Unit.h"
 
 #include <limits>
@@ -284,7 +285,7 @@ struct PvPInfo
 
 struct DuelInfo
 {
-    DuelInfo() : initiator(NULL), opponent(NULL), startTimer(0), startTime(0), outOfBound(0), isMounted(false) { }
+    DuelInfo() : initiator(NULL), opponent(NULL), startTimer(0), startTime(0), outOfBound(0), isMounted(false), hasCoolDownBeforeDuel(false) { }
 
     Player* initiator;
     Player* opponent;
@@ -292,6 +293,7 @@ struct DuelInfo
     time_t startTime;
     time_t outOfBound;
     bool isMounted;
+    bool hasCoolDownBeforeDuel;
 };
 
 struct Areas
@@ -1946,6 +1948,9 @@ class Player : public Unit, public GridObject<Player>
         void SetHonorPoints(uint32 value);
         void SetArenaPoints(uint32 value);
 
+        bool HasCoolDownBeforeDuel() const { return duel->hasCoolDownBeforeDuel; }
+        void UpdateHasCoolDownBeforeDuel() { duel->hasCoolDownBeforeDuel = GetSpellHistory()->GetArenaCooldownsSize() > 0; }
+
         //End of PvP System
 
         void SetDrunkValue(uint8 newDrunkValue, uint32 itemId = 0);

src/server/game/Handlers/DuelHandler.cpp

@@ -43,6 +43,9 @@ void WorldSession::HandleDuelAcceptedOpcode(WorldPacket& recvPacket)
     TC_LOG_DEBUG("network", "Player 1 is: %u (%s)", player->GetGUID().GetCounter(), player->GetName().c_str());
     TC_LOG_DEBUG("network", "Player 2 is: %u (%s)", plTarget->GetGUID().GetCounter(), plTarget->GetName().c_str());
 
+    player->UpdateHasCoolDownBeforeDuel();
+    plTarget->UpdateHasCoolDownBeforeDuel();
+
     time_t now = time(NULL);
     player->duel->startTimer = now;
     plTarget->duel->startTimer = now;

src/server/game/Miscellaneous/Language.h

@@ -1202,6 +1202,8 @@ enum TrinityStrings
     LANG_BAN_ACCOUNT_YOUPERMBANNEDMESSAGE_WORLD   = 11007,
 
     LANG_NPCINFO_INHABIT_TYPE                     = 11008,
-    LANG_NPCINFO_FLAGS_EXTRA                      = 11009
+    LANG_NPCINFO_FLAGS_EXTRA                      = 11009,
+
+    LANG_COOLDOWN_NOT_RESET_AFTER_DUEL            = 11010
 };
 #endif

src/server/game/Spells/SpellHistory.cpp

@@ -637,6 +637,23 @@ void SpellHistory::BuildCooldownPacket(WorldPacket& data, uint8 flags, PacketCoo
     }
 }
 
+uint16 SpellHistory::GetArenaCooldownsSize()
+{
+    uint16 count = 0;
+
+    for (auto itr = _spellCooldowns.begin(); itr != _spellCooldowns.end();)
+    {
+        SpellInfo const* spellInfo = sSpellMgr->EnsureSpellInfo(itr->first);
+
+        if (spellInfo->RecoveryTime < 10 * MINUTE * IN_MILLISECONDS &&
+            spellInfo->CategoryRecoveryTime < 10 * MINUTE * IN_MILLISECONDS)
+            ++count;
+        ++itr;
+    }
+
+    return count;
+}
+
 template void SpellHistory::LoadFromDB<Player>(PreparedQueryResult cooldownsResult);
 template void SpellHistory::LoadFromDB<Pet>(PreparedQueryResult cooldownsResult);
 template void SpellHistory::SaveToDB<Player>(SQLTransaction& trans);

src/server/game/Spells/SpellHistory.h

@@ -117,6 +117,7 @@ public:
     void BuildCooldownPacket(WorldPacket& data, uint8 flags, uint32 spellId, uint32 cooldown) const;
 
     CooldownStorageType::size_type GetCooldownsSizeForPacket() const { return _spellCooldowns.size(); }
+    uint16 GetArenaCooldownsSize();
     
 private:
     Player* GetPlayerOwner() const;

src/server/game/World/World.cpp

@@ -1190,6 +1190,7 @@ void World::LoadConfigSettings(bool reload)
     m_int_configs[CONFIG_MAX_WHO] = sConfigMgr->GetIntDefault("MaxWhoListReturns", 49);
     m_bool_configs[CONFIG_START_ALL_SPELLS] = sConfigMgr->GetBoolDefault("PlayerStart.AllSpells", false);
     m_int_configs[CONFIG_HONOR_AFTER_DUEL] = sConfigMgr->GetIntDefault("HonorPointsAfterDuel", 0);
+    m_bool_configs[CONFIG_RESET_COOLDOWN_AFTER_DUEL] = sConfigMgr->GetBoolDefault("ResetCoolDownAfterDuel", 0);
     m_bool_configs[CONFIG_START_ALL_EXPLORED] = sConfigMgr->GetBoolDefault("PlayerStart.MapsExplored", false);
     m_bool_configs[CONFIG_START_ALL_REP] = sConfigMgr->GetBoolDefault("PlayerStart.AllReputation", false);
     m_bool_configs[CONFIG_ALWAYS_MAXSKILL] = sConfigMgr->GetBoolDefault("AlwaysMaxWeaponSkill", false);

src/server/game/World/World.h

@@ -161,6 +161,7 @@ enum WorldBoolConfigs
     CONFIG_ALLOW_TRACK_BOTH_RESOURCES,
     CONFIG_CALCULATE_CREATURE_ZONE_AREA_DATA,
     CONFIG_CALCULATE_GAMEOBJECT_ZONE_AREA_DATA,
+    CONFIG_RESET_COOLDOWN_AFTER_DUEL,
     BOOL_CONFIG_VALUE_COUNT
 };
 

src/server/worldserver/worldserver.conf.dist

@@ -2604,6 +2604,14 @@ PlayerStart.MapsExplored = 0
 
 HonorPointsAfterDuel = 0
 
+#
+#    ResetCoolDownAfterDuel
+#        Description: Reset all cooldowns after duel, but only if player has no cooldowns before the duel.
+#        Default:     0  - (Disabled)
+#                     1  - (Enabled)
+
+ResetCoolDownAfterDuel = 0
+
 #
 #    AlwaysMaxWeaponSkill
 #        Description: Players will automatically gain max weapon/defense skill when logging in,