refactor(Core): apply clang-tidy modernize-use-nullptr (#3819)

src/common/Collision/Management/VMapManager2.h

@@ -52,7 +52,7 @@ namespace VMAP
     class ManagedModel
     {
     public:
-        ManagedModel() : iModel(0), iRefCount(0) { }
+        ManagedModel() : iModel(nullptr), iRefCount(0) { }
         void setModel(WorldModel* model) { iModel = model; }
         WorldModel* getModel() { return iModel; }
         void incRefCount() { ++iRefCount; }

src/common/Collision/Maps/MapTree.h

@@ -19,7 +19,7 @@ namespace VMAP
 
     struct LocationInfo
     {
-        LocationInfo(): hitInstance(0), hitModel(0), ground_Z(-G3D::inf()) { }
+        LocationInfo(): hitInstance(nullptr), hitModel(nullptr), ground_Z(-G3D::inf()) { }
         const ModelInstance* hitInstance;
         const GroupModel* hitModel;
         float ground_Z;

src/common/Collision/Maps/TileAssembler.h

@@ -64,7 +64,7 @@ namespace VMAP
         class WmoLiquid* liquid;
 
         GroupModel_Raw() : mogpflags(0), GroupWMOID(0), liquidflags(0),
-            liquid(NULL) { }
+            liquid(nullptr) { }
         ~GroupModel_Raw();
 
         bool Read(FILE* f);

src/common/Collision/Models/GameObjectModel.h

@@ -34,7 +34,7 @@ class GameObjectModel /*, public Intersectable*/
     VMAP::WorldModel* iModel;
     GameObject const* owner;
 
-    GameObjectModel() : phasemask(0), iInvScale(0), iScale(0), iModel(NULL), owner(NULL) { }
+    GameObjectModel() : phasemask(0), iInvScale(0), iScale(0), iModel(nullptr), owner(nullptr) { }
     bool initialize(const GameObject& go, const GameObjectDisplayInfoEntry& info);
 
 public:

src/common/Collision/Models/ModelInstance.h

@@ -51,9 +51,9 @@ namespace VMAP
     class ModelInstance: public ModelSpawn
     {
     public:
-        ModelInstance(): iInvScale(0.0f), iModel(0) { }
+        ModelInstance(): iInvScale(0.0f), iModel(nullptr) { }
         ModelInstance(const ModelSpawn& spawn, WorldModel* model);
-        void setUnloaded() { iModel = 0; }
+        void setUnloaded() { iModel = nullptr; }
         bool intersectRay(const G3D::Ray& pRay, float& pMaxDist, bool StopAtFirstHit) const;
         void intersectPoint(const G3D::Vector3& p, AreaInfo& info) const;
         bool GetLocationInfo(const G3D::Vector3& p, LocationInfo& info) const;

src/common/Collision/Models/WorldModel.h

@@ -47,7 +47,7 @@ namespace VMAP
         bool writeToFile(FILE* wf);
         static bool readFromFile(FILE* rf, WmoLiquid*& liquid);
     private:
-        WmoLiquid(): iTilesX(0), iTilesY(0), iType(0), iHeight(0), iFlags(0) { }
+        WmoLiquid(): iTilesX(0), iTilesY(0), iType(0), iHeight(nullptr), iFlags(nullptr) { }
         uint32 iTilesX;       //!< number of tiles in x direction, each
         uint32 iTilesY;
         G3D::Vector3 iCorner; //!< the lower corner
@@ -62,15 +62,15 @@ namespace VMAP
     class GroupModel
     {
     public:
-        GroupModel(): iMogpFlags(0), iGroupWMOID(0), iLiquid(0) { }
+        GroupModel(): iMogpFlags(0), iGroupWMOID(0), iLiquid(nullptr) { }
         GroupModel(const GroupModel& other);
         GroupModel(uint32 mogpFlags, uint32 groupWMOID, const G3D::AABox& bound):
-            iBound(bound), iMogpFlags(mogpFlags), iGroupWMOID(groupWMOID), iLiquid(0) { }
+            iBound(bound), iMogpFlags(mogpFlags), iGroupWMOID(groupWMOID), iLiquid(nullptr) { }
         ~GroupModel() { delete iLiquid; }
 
         //! pass mesh data to object and create BIH. Passed vectors get get swapped with old geometry!
         void setMeshData(std::vector<G3D::Vector3>& vert, std::vector<MeshTriangle>& tri);
-        void setLiquidData(WmoLiquid*& liquid) { iLiquid = liquid; liquid = NULL; }
+        void setLiquidData(WmoLiquid*& liquid) { iLiquid = liquid; liquid = nullptr; }
         bool IntersectRay(const G3D::Ray& ray, float& distance, bool stopAtFirstHit) const;
         bool IsInsideObject(const G3D::Vector3& pos, const G3D::Vector3& down, float& z_dist) const;
         bool GetLiquidLevel(const G3D::Vector3& pos, float& liqHeight) const;

src/common/Database/Field.h

@@ -172,7 +172,7 @@ public:
 
         if (data.raw)
             return *reinterpret_cast<int64*>(data.value);
-        return static_cast<int64>(strtol((char*)data.value, NULL, 10));
+        return static_cast<int64>(strtol((char*)data.value, nullptr, 10));
     }
 
     [[nodiscard]] float GetFloat() const
@@ -214,7 +214,7 @@ public:
     [[nodiscard]] char const* GetCString() const
     {
         if (!data.value)
-            return NULL;
+            return nullptr;
 
 #ifdef ACORE_DEBUG
         if (IsNumeric())
@@ -244,7 +244,7 @@ public:
 
     [[nodiscard]] bool IsNull() const
     {
-        return data.value == NULL;
+        return data.value == nullptr;
     }
 
 protected:
@@ -275,7 +275,7 @@ protected:
     void CleanUp()
     {
         delete[] ((char*)data.value);
-        data.value = NULL;
+        data.value = nullptr;
     }
 
     static size_t SizeForType(MYSQL_FIELD* field)

src/common/Database/MySQLConnection.h

@@ -79,7 +79,7 @@ public:
     void CommitTransaction();
     bool ExecuteTransaction(SQLTransaction& transaction);
 
-    operator bool () const { return m_Mysql != NULL; }
+    operator bool () const { return m_Mysql != nullptr; }
     void Ping() { mysql_ping(m_Mysql); }
 
     uint32 GetLastError() { return mysql_errno(m_Mysql); }

src/common/Database/MySQLThreading.h

@@ -35,7 +35,7 @@ public:
 
     static void Library_Init()
     {
-        mysql_library_init(-1, NULL, NULL);
+        mysql_library_init(-1, nullptr, nullptr);
     }
 
     static void Library_End()

src/common/Database/SQLOperation.h

@@ -48,7 +48,7 @@ class MySQLConnection;
 class SQLOperation : public ACE_Method_Request
 {
 public:
-    SQLOperation(): m_conn(NULL) { }
+    SQLOperation(): m_conn(nullptr) { }
     int call() override
     {
         Execute();

src/common/Dynamic/LinkedList.h

@@ -21,17 +21,17 @@ private:
     LinkedListElement* iNext;
     LinkedListElement* iPrev;
 public:
-    LinkedListElement(): iNext(NULL), iPrev(NULL) { }
+    LinkedListElement(): iNext(nullptr), iPrev(nullptr) { }
     ~LinkedListElement() { delink(); }
 
-    [[nodiscard]] bool hasNext() const { return (iNext && iNext->iNext != NULL); }
+    [[nodiscard]] bool hasNext() const { return (iNext && iNext->iNext != nullptr); }
-    [[nodiscard]] bool hasPrev() const { return (iPrev && iPrev->iPrev != NULL); }
+    [[nodiscard]] bool hasPrev() const { return (iPrev && iPrev->iPrev != nullptr); }
-    [[nodiscard]] bool isInList() const { return (iNext != NULL && iPrev != NULL); }
+    [[nodiscard]] bool isInList() const { return (iNext != nullptr && iPrev != nullptr); }
 
-    LinkedListElement*       next()       { return hasNext() ? iNext : NULL; }
+    LinkedListElement*       next()       { return hasNext() ? iNext : nullptr; }
-    [[nodiscard]] LinkedListElement const* next() const { return hasNext() ? iNext : NULL; }
+    [[nodiscard]] LinkedListElement const* next() const { return hasNext() ? iNext : nullptr; }
-    LinkedListElement*       prev()       { return hasPrev() ? iPrev : NULL; }
+    LinkedListElement*       prev()       { return hasPrev() ? iPrev : nullptr; }
-    [[nodiscard]] LinkedListElement const* prev() const { return hasPrev() ? iPrev : NULL; }
+    [[nodiscard]] LinkedListElement const* prev() const { return hasPrev() ? iPrev : nullptr; }
 
     LinkedListElement*       nocheck_next()       { return iNext; }
     [[nodiscard]] LinkedListElement const* nocheck_next() const { return iNext; }
@@ -44,8 +44,8 @@ public:
         {
             iNext->iPrev = iPrev;
             iPrev->iNext = iNext;
-            iNext = NULL;
+            iNext = nullptr;
-            iPrev = NULL;
+            iPrev = nullptr;
         }
     }
 
@@ -85,11 +85,11 @@ public:
 
     [[nodiscard]] bool isEmpty() const { return (!iFirst.iNext->isInList()); }
 
-    LinkedListElement*       getFirst()       { return (isEmpty() ? NULL : iFirst.iNext); }
+    LinkedListElement*       getFirst()       { return (isEmpty() ? nullptr : iFirst.iNext); }
-    [[nodiscard]] LinkedListElement const* getFirst() const { return (isEmpty() ? NULL : iFirst.iNext); }
+    [[nodiscard]] LinkedListElement const* getFirst() const { return (isEmpty() ? nullptr : iFirst.iNext); }
 
-    LinkedListElement*       getLast() { return (isEmpty() ? NULL : iLast.iPrev); }
+    LinkedListElement*       getLast() { return (isEmpty() ? nullptr : iLast.iPrev); }
-    [[nodiscard]] LinkedListElement const* getLast() const  { return (isEmpty() ? NULL : iLast.iPrev); }
+    [[nodiscard]] LinkedListElement const* getLast() const  { return (isEmpty() ? nullptr : iLast.iPrev); }
 
     void insertFirst(LinkedListElement* pElem)
     {

src/common/Dynamic/LinkedReference/RefManager.h

@@ -31,7 +31,7 @@ public:
     void clearReferences()
     {
         LinkedListElement* ref;
-        while ((ref = getFirst()) != NULL)
+        while ((ref = getFirst()) != nullptr)
         {
             ((Reference<TO, FROM>*) ref)->invalidate();
             ref->delink();                              // the delink might be already done by invalidate(), but doing it here again does not hurt and insures an empty list

src/common/Dynamic/LinkedReference/Reference.h

@@ -27,7 +27,7 @@ protected:
     // Tell our refFrom (source) object, that the link is cut (Target destroyed)
     virtual void sourceObjectDestroyLink() = 0;
 public:
-    Reference() { iRefTo = NULL; iRefFrom = NULL; }
+    Reference() { iRefTo = nullptr; iRefFrom = nullptr; }
     virtual ~Reference() { }
 
     // Create new link
@@ -36,7 +36,7 @@ public:
         ASSERT(fromObj);                                // fromObj MUST not be NULL
         if (isValid())
             unlink();
-        if (toObj != NULL)
+        if (toObj != nullptr)
         {
             iRefTo = toObj;
             iRefFrom = fromObj;
@@ -50,8 +50,8 @@ public:
     {
         targetObjectDestroyLink();
         delink();
-        iRefTo = NULL;
+        iRefTo = nullptr;
-        iRefFrom = NULL;
+        iRefFrom = nullptr;
     }
 
     // Link is invalid due to destruction of referenced target object. Call comes from the refTo object
@@ -60,12 +60,12 @@ public:
     {
         sourceObjectDestroyLink();
         delink();
-        iRefTo = NULL;
+        iRefTo = nullptr;
     }
 
     [[nodiscard]] bool isValid() const                                // Only check the iRefTo
     {
-        return iRefTo != NULL;
+        return iRefTo != nullptr;
     }
 
     Reference<TO, FROM>*        next()       { return ((Reference<TO, FROM>*) LinkedListElement::next()); }

src/common/Utilities/SignalHandler.h

@@ -16,7 +16,7 @@ namespace acore
     class SignalHandler : public ACE_Event_Handler
     {
     public:
-        int handle_signal(int SigNum, siginfo_t* = NULL, ucontext_t* = NULL) override
+        int handle_signal(int SigNum, siginfo_t* = nullptr, ucontext_t* = nullptr) override
         {
             HandleSignal(SigNum);
             return 0;

src/server/authserver/Server/RealmAcceptor.h

@@ -26,7 +26,7 @@ public:
 protected:
     virtual int make_svc_handler(RealmSocket*& sh)
     {
-        if (sh == 0)
+        if (sh == nullptr)
             ACE_NEW_RETURN(sh, RealmSocket, -1);
 
         sh->reactor(reactor());

src/server/game/Battlegrounds/Battleground.h

@@ -464,7 +464,7 @@ public:
     // Packet Transfer
     // method that should fill worldpacket with actual world states (not yet implemented for all battlegrounds!)
     virtual void FillInitialWorldStates(WorldPacket& /*data*/) {}
-    void SendPacketToTeam(TeamId teamId, WorldPacket* packet, Player* sender = NULL, bool self = true);
+    void SendPacketToTeam(TeamId teamId, WorldPacket* packet, Player* sender = nullptr, bool self = true);
     void SendPacketToAll(WorldPacket* packet);
     void YellToAll(Creature* creature, const char* text, uint32 language);
 

src/server/game/Combat/ThreatManager.h

@@ -149,7 +149,7 @@ public:
 
     [[nodiscard]] HostileReference* getMostHated() const
     {
-        return iThreatList.empty() ? NULL : iThreatList.front();
+        return iThreatList.empty() ? nullptr : iThreatList.front();
     }
 
     HostileReference* getReferenceByTarget(Unit* victim) const;

src/server/game/Conditions/ConditionMgr.h

@@ -166,7 +166,7 @@ struct ConditionSourceInfo
 {
     WorldObject* mConditionTargets[MAX_CONDITION_TARGETS]; // an array of targets available for conditions
     Condition* mLastFailedCondition;
-    ConditionSourceInfo(WorldObject* target0, WorldObject* target1 = NULL, WorldObject* target2 = nullptr)
+    ConditionSourceInfo(WorldObject* target0, WorldObject* target1 = nullptr, WorldObject* target2 = nullptr)
     {
         mConditionTargets[0] = target0;
         mConditionTargets[1] = target1;

src/server/game/Entities/Creature/Creature.h

@@ -448,7 +448,7 @@ public:
     [[nodiscard]] uint32 GetDBTableGUIDLow() const { return m_DBTableGuid; }
 
     void Update(uint32 time) override;                         // overwrited Unit::Update
-    void GetRespawnPosition(float& x, float& y, float& z, float* ori = NULL, float* dist = NULL) const;
+    void GetRespawnPosition(float& x, float& y, float& z, float* ori = nullptr, float* dist = nullptr) const;
 
     void SetCorpseDelay(uint32 delay) { m_corpseDelay = delay; }
     [[nodiscard]] uint32 GetCorpseDelay() const { return m_corpseDelay; }
@@ -531,7 +531,7 @@ public:
 
     [[nodiscard]] bool HasSpell(uint32 spellID) const override;
 
-    bool UpdateEntry(uint32 entry, const CreatureData* data = NULL, bool changelevel = true );
+    bool UpdateEntry(uint32 entry, const CreatureData* data = nullptr, bool changelevel = true );
     bool UpdateStats(Stats stat) override;
     bool UpdateAllStats() override;
     void UpdateResistances(uint32 school) override;
@@ -724,7 +724,7 @@ public:
 
 protected:
     bool CreateFromProto(uint32 guidlow, uint32 Entry, uint32 vehId, const CreatureData* data = nullptr);
-    bool InitEntry(uint32 entry, const CreatureData* data = NULL);
+    bool InitEntry(uint32 entry, const CreatureData* data = nullptr);
 
     // vendor items
     VendorItemCounts m_vendorItemCounts;

src/server/game/Entities/GameObject/GameObject.h

@@ -901,10 +901,10 @@ public:
 
     void SendMessageToSetInRange(WorldPacket* data, float dist, bool /*self*/, bool includeMargin = false, Player const* skipped_rcvr = nullptr) override; // pussywizard!
 
-    void ModifyHealth(int32 change, Unit* attackerOrHealer = NULL, uint32 spellId = 0);
+    void ModifyHealth(int32 change, Unit* attackerOrHealer = nullptr, uint32 spellId = 0);
     void SetDestructibleBuildingModifyState(bool allow) { m_allowModifyDestructibleBuilding = allow; }
     // sets GameObject type 33 destruction flags and optionally default health for that state
-    void SetDestructibleState(GameObjectDestructibleState state, Player* eventInvoker = NULL, bool setHealth = false);
+    void SetDestructibleState(GameObjectDestructibleState state, Player* eventInvoker = nullptr, bool setHealth = false);
     [[nodiscard]] GameObjectDestructibleState GetDestructibleState() const
     {
         if (HasFlag(GAMEOBJECT_FLAGS, GO_FLAG_DESTROYED))

src/server/game/Entities/Item/Item.h

@@ -196,7 +196,7 @@ bool ItemCanGoIntoBag(ItemTemplate const* proto, ItemTemplate const* pBagProto);
 class Item : public Object
 {
 public:
-    static Item* CreateItem(uint32 item, uint32 count, Player const* player = NULL, bool clone = false, uint32 randomPropertyId = 0);
+    static Item* CreateItem(uint32 item, uint32 count, Player const* player = nullptr, bool clone = false, uint32 randomPropertyId = 0);
     Item* CloneItem(uint32 count, Player const* player = nullptr) const;
 
     Item();

src/server/game/Entities/Object/Object.h

@@ -790,7 +790,7 @@ public:
     void GetNearPoint2D(float& x, float& y, float distance, float absAngle) const;
     void GetNearPoint(WorldObject const* searcher, float& x, float& y, float& z, float searcher_size, float distance2d, float absAngle, float controlZ = 0) const;
     void GetVoidClosePoint(float& x, float& y, float& z, float size, float distance2d = 0, float relAngle = 0, float controlZ = 0) const;
-    bool GetClosePoint(float& x, float& y, float& z, float size, float distance2d = 0, float angle = 0, const WorldObject* forWho = NULL, bool force = false) const;
+    bool GetClosePoint(float& x, float& y, float& z, float size, float distance2d = 0, float angle = 0, const WorldObject* forWho = nullptr, bool force = false) const;
     void MovePosition(Position& pos, float dist, float angle);
     void GetNearPosition(Position& pos, float dist, float angle)
     {

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

@@ -1202,13 +1202,13 @@ public:
     [[nodiscard]] uint8 GetChatTag() const;
     std::string autoReplyMsg;
 
-    uint32 GetBarberShopCost(uint8 newhairstyle, uint8 newhaircolor, uint8 newfacialhair, BarberShopStyleEntry const* newSkin = NULL);
+    uint32 GetBarberShopCost(uint8 newhairstyle, uint8 newhaircolor, uint8 newfacialhair, BarberShopStyleEntry const* newSkin = nullptr);
 
     PlayerSocial* GetSocial() { return m_social; }
 
     PlayerTaxi m_taxi;
     void InitTaxiNodesForLevel() { m_taxi.InitTaxiNodesForLevel(getRace(), getClass(), getLevel()); }
-    bool ActivateTaxiPathTo(std::vector<uint32> const& nodes, Creature* npc = NULL, uint32 spellid = 1);
+    bool ActivateTaxiPathTo(std::vector<uint32> const& nodes, Creature* npc = nullptr, uint32 spellid = 1);
     bool ActivateTaxiPathTo(uint32 taxi_path_id, uint32 spellid = 1);
     void CleanupAfterTaxiFlight();
     void ContinueTaxiFlight();
@@ -1308,7 +1308,7 @@ public:
     [[nodiscard]] InventoryResult CanTakeMoreSimilarItems(uint32 entry, uint32 count) const { return CanTakeMoreSimilarItems(entry, count, nullptr); }
     InventoryResult CanStoreNewItem(uint8 bag, uint8 slot, ItemPosCountVec& dest, uint32 item, uint32 count, uint32* no_space_count = nullptr) const
     {
-        return CanStoreItem(bag, slot, dest, item, count, NULL, false, no_space_count);
+        return CanStoreItem(bag, slot, dest, item, count, nullptr, false, no_space_count);
     }
     InventoryResult CanStoreItem(uint8 bag, uint8 slot, ItemPosCountVec& dest, Item* pItem, bool swap = false) const
     {
@@ -1346,7 +1346,7 @@ public:
     void UpdateTitansGrip();
 
     InventoryResult CanTakeMoreSimilarItems(uint32 entry, uint32 count, Item* pItem, uint32* no_space_count = nullptr) const;
-    InventoryResult CanStoreItem(uint8 bag, uint8 slot, ItemPosCountVec& dest, uint32 entry, uint32 count, Item* pItem = NULL, bool swap = false, uint32* no_space_count = nullptr) const;
+    InventoryResult CanStoreItem(uint8 bag, uint8 slot, ItemPosCountVec& dest, uint32 entry, uint32 count, Item* pItem = nullptr, bool swap = false, uint32* no_space_count = nullptr) const;
 
     void AddRefundReference(uint32 it);
     void DeleteRefundReference(uint32 it);
@@ -1381,7 +1381,7 @@ public:
     Item* GetItemFromBuyBackSlot(uint32 slot);
     void RemoveItemFromBuyBackSlot(uint32 slot, bool del);
     [[nodiscard]] uint32 GetMaxKeyringSize() const { return KEYRING_SLOT_END - KEYRING_SLOT_START; }
-    void SendEquipError(InventoryResult msg, Item* pItem, Item* pItem2 = NULL, uint32 itemid = 0);
+    void SendEquipError(InventoryResult msg, Item* pItem, Item* pItem2 = nullptr, uint32 itemid = 0);
     void SendBuyError(BuyResult msg, Creature* creature, uint32 item, uint32 param);
     void SendSellError(SellResult msg, Creature* creature, uint64 guid, uint32 param);
     void AddWeaponProficiency(uint32 newflag) { m_WeaponProficiency |= newflag; }
@@ -1796,7 +1796,7 @@ public:
     void AddSpellMod(SpellModifier* mod, bool apply);
     bool IsAffectedBySpellmod(SpellInfo const* spellInfo, SpellModifier* mod, Spell* spell = nullptr);
     bool HasSpellMod(SpellModifier* mod, Spell* spell);
-    template <class T> T ApplySpellMod(uint32 spellId, SpellModOp op, T& basevalue, Spell* spell = NULL, bool temporaryPet = false);
+    template <class T> T ApplySpellMod(uint32 spellId, SpellModOp op, T& basevalue, Spell* spell = nullptr, bool temporaryPet = false);
     void RemoveSpellMods(Spell* spell);
     void RestoreSpellMods(Spell* spell, uint32 ownerAuraId = 0, Aura* aura = nullptr);
     void RestoreAllSpellMods(uint32 ownerAuraId = 0, Aura* aura = nullptr);
@@ -1820,10 +1820,10 @@ public:
         SpellCooldowns::const_iterator itr = m_spellCooldowns.find(spell_id);
         return uint32(itr != m_spellCooldowns.end() && itr->second.end > World::GetGameTimeMS() ? itr->second.end - World::GetGameTimeMS() : 0);
     }
-    void AddSpellAndCategoryCooldowns(SpellInfo const* spellInfo, uint32 itemId, Spell* spell = NULL, bool infinityCooldown = false);
+    void AddSpellAndCategoryCooldowns(SpellInfo const* spellInfo, uint32 itemId, Spell* spell = nullptr, bool infinityCooldown = false);
     void AddSpellCooldown(uint32 spell_id, uint32 itemid, uint32 end_time, bool needSendToClient = false, bool forceSendToSpectator = false) override;
     void ModifySpellCooldown(uint32 spellId, int32 cooldown);
-    void SendCooldownEvent(SpellInfo const* spellInfo, uint32 itemId = 0, Spell* spell = NULL, bool setCooldown = true);
+    void SendCooldownEvent(SpellInfo const* spellInfo, uint32 itemId = 0, Spell* spell = nullptr, bool setCooldown = true);
     void ProhibitSpellSchool(SpellSchoolMask idSchoolMask, uint32 unTimeMs) override;
     void RemoveSpellCooldown(uint32 spell_id, bool update = false);
     void SendClearCooldown(uint32 spell_id, Unit* target);
@@ -1910,7 +1910,7 @@ public:
 
     bool IsGroupVisibleFor(Player const* p) const;
     bool IsInSameGroupWith(Player const* p) const;
-    bool IsInSameRaidWith(Player const* p) const { return p == this || (GetGroup() != NULL && GetGroup() == p->GetGroup()); }
+    bool IsInSameRaidWith(Player const* p) const { return p == this || (GetGroup() != nullptr && GetGroup() == p->GetGroup()); }
     void UninviteFromGroup();
     static void RemoveFromGroup(Group* group, uint64 guid, RemoveMethod method = GROUP_REMOVEMETHOD_DEFAULT, uint64 kicker = 0, const char* reason = nullptr);
     void RemoveFromGroup(RemoveMethod method = GROUP_REMOVEMETHOD_DEFAULT) { RemoveFromGroup(GetGroup(), GetGUID(), method); }

src/server/game/Entities/Unit/Unit.h

@@ -1440,8 +1440,8 @@ public:
     void CombatStop(bool includingCast = false);
     void CombatStopWithPets(bool includingCast = false);
     void StopAttackFaction(uint32 faction_id);
-    Unit* SelectNearbyTarget(Unit* exclude = NULL, float dist = NOMINAL_MELEE_RANGE) const;
+    Unit* SelectNearbyTarget(Unit* exclude = nullptr, float dist = NOMINAL_MELEE_RANGE) const;
-    Unit* SelectNearbyNoTotemTarget(Unit* exclude = NULL, float dist = NOMINAL_MELEE_RANGE) const;
+    Unit* SelectNearbyNoTotemTarget(Unit* exclude = nullptr, float dist = NOMINAL_MELEE_RANGE) const;
     void SendMeleeAttackStop(Unit* victim = nullptr);
     void SendMeleeAttackStart(Unit* victim, Player* sendTo = nullptr);
 
@@ -1581,11 +1581,11 @@ public:
 
     uint16 GetMaxSkillValueForLevel(Unit const* target = nullptr) const { return (target ? getLevelForTarget(target) : getLevel()) * 5; }
     static void DealDamageMods(Unit const* victim, uint32& damage, uint32* absorb);
-    static uint32 DealDamage(Unit* attacker, Unit* victim, uint32 damage, CleanDamage const* cleanDamage = NULL, DamageEffectType damagetype = DIRECT_DAMAGE, SpellSchoolMask damageSchoolMask = SPELL_SCHOOL_MASK_NORMAL, SpellInfo const* spellProto = NULL, bool durabilityLoss = true, bool allowGM = false);
+    static uint32 DealDamage(Unit* attacker, Unit* victim, uint32 damage, CleanDamage const* cleanDamage = nullptr, DamageEffectType damagetype = DIRECT_DAMAGE, SpellSchoolMask damageSchoolMask = SPELL_SCHOOL_MASK_NORMAL, SpellInfo const* spellProto = nullptr, bool durabilityLoss = true, bool allowGM = false);
     static void Kill(Unit* killer, Unit* victim, bool durabilityLoss = true, WeaponAttackType attackType = BASE_ATTACK, SpellInfo const* spellProto = nullptr);
     static int32 DealHeal(Unit* healer, Unit* victim, uint32 addhealth);
 
-    void ProcDamageAndSpell(Unit* victim, uint32 procAttacker, uint32 procVictim, uint32 procEx, uint32 amount, WeaponAttackType attType = BASE_ATTACK, SpellInfo const* procSpell = NULL, SpellInfo const* procAura = nullptr);
+    void ProcDamageAndSpell(Unit* victim, uint32 procAttacker, uint32 procVictim, uint32 procEx, uint32 amount, WeaponAttackType attType = BASE_ATTACK, SpellInfo const* procSpell = nullptr, SpellInfo const* procAura = nullptr);
     void ProcDamageAndSpellFor(bool isVictim, Unit* target, uint32 procFlag, uint32 procExtra, WeaponAttackType attType, SpellInfo const* procSpell, uint32 damage, SpellInfo const* procAura = nullptr);
 
     void GetProcAurasTriggeredOnEvent(std::list<AuraApplication*>& aurasTriggeringProc, std::list<AuraApplication*>* procAuras, ProcEventInfo eventInfo);
@@ -1702,7 +1702,7 @@ public:
     [[nodiscard]] bool IsPetInCombat() const { return HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PET_IN_COMBAT); }
     void CombatStart(Unit* target, bool initialAggro = true);
     void CombatStartOnCast(Unit* target, bool initialAggro = true, uint32 duration = 0);
-    void SetInCombatState(bool PvP, Unit* enemy = NULL, uint32 duration = 0);
+    void SetInCombatState(bool PvP, Unit* enemy = nullptr, uint32 duration = 0);
     void SetInCombatWith(Unit* enemy, uint32 duration = 0);
     void ClearInCombat();
     void ClearInPetCombat();
@@ -1910,7 +1910,7 @@ public:
     bool InitTamedPet(Pet* pet, uint8 level, uint32 spell_id);
 
     // aura apply/remove helpers - you should better not use these
-    Aura* _TryStackingOrRefreshingExistingAura(SpellInfo const* newAura, uint8 effMask, Unit* caster, int32* baseAmount = NULL, Item* castItem = NULL, uint64 casterGUID = 0, bool periodicReset = false);
+    Aura* _TryStackingOrRefreshingExistingAura(SpellInfo const* newAura, uint8 effMask, Unit* caster, int32* baseAmount = nullptr, Item* castItem = nullptr, uint64 casterGUID = 0, bool periodicReset = false);
     void _AddAura(UnitAura* aura, Unit* caster);
     AuraApplication* _CreateAuraApplication(Aura* aura, uint8 effMask);
     void _ApplyAuraEffect(Aura* aura, uint8 effIndex);
@@ -1946,7 +1946,7 @@ public:
     void RemoveAurasDueToSpellByDispel(uint32 spellId, uint32 dispellerSpellId, uint64 casterGUID, Unit* dispeller, uint8 chargesRemoved = 1);
     void RemoveAurasDueToSpellBySteal(uint32 spellId, uint64 casterGUID, Unit* stealer);
     void RemoveAurasDueToItemSpell(uint32 spellId, uint64 castItemGuid);
-    void RemoveAurasByType(AuraType auraType, uint64 casterGUID = 0, Aura* except = NULL, bool negative = true, bool positive = true);
+    void RemoveAurasByType(AuraType auraType, uint64 casterGUID = 0, Aura* except = nullptr, bool negative = true, bool positive = true);
     void RemoveNotOwnSingleTargetAuras();
     void RemoveAurasWithInterruptFlags(uint32 flag, uint32 except = 0);
     void RemoveAurasWithAttribute(uint32 flags);
@@ -2163,7 +2163,7 @@ public:
         VisibleAuraMap::iterator itr = m_visibleAuras.find(slot);
         if (itr != m_visibleAuras.end())
             return itr->second;
-        return 0;
+        return nullptr;
     }
     void SetVisibleAura(uint8 slot, AuraApplication* aur) { m_visibleAuras[slot] = aur; UpdateAuraForGroup(slot);}
     void RemoveVisibleAura(uint8 slot) { m_visibleAuras.erase(slot); UpdateAuraForGroup(slot);}
@@ -2195,7 +2195,7 @@ public:
 
     void ModifyAuraState(AuraStateType flag, bool apply);
     uint32 BuildAuraStateUpdateForTarget(Unit* target) const;
-    bool HasAuraState(AuraStateType flag, SpellInfo const* spellProto = NULL, Unit const* Caster = nullptr) const;
+    bool HasAuraState(AuraStateType flag, SpellInfo const* spellProto = nullptr, Unit const* Caster = nullptr) const;
     void UnsummonAllTotems();
     Unit* GetMagicHitRedirectTarget(Unit* victim, SpellInfo const* spellInfo);
     Unit* GetMeleeHitRedirectTarget(Unit* victim, SpellInfo const* spellInfo = nullptr);
@@ -2243,9 +2243,9 @@ public:
     bool IsImmunedToDamageOrSchool(SpellInfo const* spellInfo) const;
     virtual bool IsImmunedToSpellEffect(SpellInfo const* spellInfo, uint32 index) const;
     // redefined in Creature
-    static bool IsDamageReducedByArmor(SpellSchoolMask damageSchoolMask, SpellInfo const* spellInfo = NULL, uint8 effIndex = MAX_SPELL_EFFECTS);
+    static bool IsDamageReducedByArmor(SpellSchoolMask damageSchoolMask, SpellInfo const* spellInfo = nullptr, uint8 effIndex = MAX_SPELL_EFFECTS);
     static uint32 CalcArmorReducedDamage(Unit const* attacker, Unit const* victim, const uint32 damage, SpellInfo const* spellInfo, uint8 attackerLevel = 0, WeaponAttackType attackType = MAX_ATTACK);
-    static void CalcAbsorbResist(Unit* attacker, Unit* victim, SpellSchoolMask schoolMask, DamageEffectType damagetype, const uint32 damage, uint32* absorb, uint32* resist, SpellInfo const* spellInfo = NULL, bool Splited = false);
+    static void CalcAbsorbResist(Unit* attacker, Unit* victim, SpellSchoolMask schoolMask, DamageEffectType damagetype, const uint32 damage, uint32* absorb, uint32* resist, SpellInfo const* spellInfo = nullptr, bool Splited = false);
     static void CalcHealAbsorb(Unit const* victim, const SpellInfo* spellProto, uint32& healAmount, uint32& absorb);
 
     void  UpdateSpeed(UnitMoveType mtype, bool forced);
@@ -2258,7 +2258,7 @@ public:
     int32 CalculateSpellDamage(Unit const* target, SpellInfo const* spellProto, uint8 effect_index, int32 const* basePoints = nullptr) const;
     int32 CalcSpellDuration(SpellInfo const* spellProto);
     int32 ModSpellDuration(SpellInfo const* spellProto, Unit const* target, int32 duration, bool positive, uint32 effectMask);
-    void  ModSpellCastTime(SpellInfo const* spellProto, int32& castTime, Spell* spell = NULL);
+    void  ModSpellCastTime(SpellInfo const* spellProto, int32& castTime, Spell* spell = nullptr);
     float CalculateLevelPenalty(SpellInfo const* spellProto) const;
 
     void addFollower(FollowerReference* pRef) { m_FollowingRefManager.insertFirst(pRef); }

src/server/game/Globals/ObjectAccessor.h

@@ -104,12 +104,12 @@ public:
     static Unit* GetObjectInOrOutOfWorld(uint64 guid, Unit* /*typeSpecifier*/)
     {
         if (IS_PLAYER_GUID(guid))
-            return (Unit*)GetObjectInOrOutOfWorld(guid, (Player*)NULL);
+            return (Unit*)GetObjectInOrOutOfWorld(guid, (Player*)nullptr);
 
         if (IS_PET_GUID(guid))
-            return (Unit*)GetObjectInOrOutOfWorld(guid, (Pet*)NULL);
+            return (Unit*)GetObjectInOrOutOfWorld(guid, (Pet*)nullptr);
 
-        return (Unit*)GetObjectInOrOutOfWorld(guid, (Creature*)NULL);
+        return (Unit*)GetObjectInOrOutOfWorld(guid, (Creature*)nullptr);
     }
 
     // returns object if is in world
@@ -124,12 +124,12 @@ public:
     static Unit* GetObjectInWorld(uint64 guid, Unit* /*typeSpecifier*/)
     {
         if (IS_PLAYER_GUID(guid))
-            return (Unit*)GetObjectInWorld(guid, (Player*)NULL);
+            return (Unit*)GetObjectInWorld(guid, (Player*)nullptr);
 
         if (IS_PET_GUID(guid))
-            return (Unit*)GetObjectInWorld(guid, (Pet*)NULL);
+            return (Unit*)GetObjectInWorld(guid, (Pet*)nullptr);
 
-        return (Unit*)GetObjectInWorld(guid, (Creature*)NULL);
+        return (Unit*)GetObjectInWorld(guid, (Creature*)nullptr);
     }
 
     // returns object if is in map

src/server/game/Globals/ObjectMgr.h

@@ -1286,7 +1286,7 @@ public:
 
     void AddVendorItem(uint32 entry, uint32 item, int32 maxcount, uint32 incrtime, uint32 extendedCost, bool persist = true); // for event
     bool RemoveVendorItem(uint32 entry, uint32 item, bool persist = true); // for event
-    bool IsVendorItemValid(uint32 vendor_entry, uint32 item, int32 maxcount, uint32 ptime, uint32 ExtendedCost, Player* player = NULL, std::set<uint32>* skip_vendors = NULL, uint32 ORnpcflag = 0) const;
+    bool IsVendorItemValid(uint32 vendor_entry, uint32 item, int32 maxcount, uint32 ptime, uint32 ExtendedCost, Player* player = nullptr, std::set<uint32>* skip_vendors = nullptr, uint32 ORnpcflag = 0) const;
 
     void LoadScriptNames();
     ScriptNameContainer& GetScriptNames() { return _scriptNamesStore; }

src/server/game/Loot/LootMgr.h

@@ -362,7 +362,7 @@ struct Loot
     // Inserts the item into the loot (called by LootTemplate processors)
     void AddItem(LootStoreItem const& item);
 
-    LootItem* LootItemInSlot(uint32 lootslot, Player* player, QuestItem** qitem = NULL, QuestItem** ffaitem = NULL, QuestItem** conditem = nullptr);
+    LootItem* LootItemInSlot(uint32 lootslot, Player* player, QuestItem** qitem = nullptr, QuestItem** ffaitem = nullptr, QuestItem** conditem = nullptr);
     uint32 GetMaxSlotInLootFor(Player* player) const;
     bool hasItemFor(Player* player) const;
     [[nodiscard]] bool hasOverThresholdItem() const;

src/server/game/Maps/Map.h

@@ -213,7 +213,7 @@ public:
     [[nodiscard]] float getMinHeight(float x, float y) const;
     [[nodiscard]] float getLiquidLevel(float x, float y) const;
     [[nodiscard]] uint8 getTerrainType(float x, float y) const;
-    ZLiquidStatus getLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, LiquidData* data = 0);
+    ZLiquidStatus getLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, LiquidData* data = nullptr);
 };
 
 // GCC have alternative #pragma pack(N) syntax and old gcc version not support pack(push, N), also any gcc version not support it at some platform
@@ -357,7 +357,7 @@ public:
     [[nodiscard]] float GetMinHeight(float x, float y) const;
     Transport* GetTransportForPos(uint32 phase, float x, float y, float z, WorldObject* worldobject = nullptr);
 
-    ZLiquidStatus getLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, LiquidData* data = 0) const;
+    ZLiquidStatus getLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, LiquidData* data = nullptr) const;
 
     uint32 GetAreaId(float x, float y, float z, bool* isOutdoors) const;
     bool GetAreaInfo(float x, float y, float z, uint32& mogpflags, int32& adtId, int32& rootId, int32& groupId) const;
@@ -369,7 +369,7 @@ public:
 
     [[nodiscard]] uint8 GetTerrainType(float x, float y) const;
     [[nodiscard]] float GetWaterLevel(float x, float y) const;
-    bool IsInWater(float x, float y, float z, LiquidData* data = 0) const;
+    bool IsInWater(float x, float y, float z, LiquidData* data = nullptr) const;
     [[nodiscard]] bool IsUnderWater(float x, float y, float z) const;
 
     void MoveAllCreaturesInMoveList();
@@ -451,7 +451,7 @@ public:
 
     void UpdateIteratorBack(Player* player);
 
-    TempSummon* SummonCreature(uint32 entry, Position const& pos, SummonPropertiesEntry const* properties = NULL, uint32 duration = 0, Unit* summoner = NULL, uint32 spellId = 0, uint32 vehId = 0);
+    TempSummon* SummonCreature(uint32 entry, Position const& pos, SummonPropertiesEntry const* properties = nullptr, uint32 duration = 0, Unit* summoner = nullptr, uint32 spellId = 0, uint32 vehId = 0);
     GameObject* SummonGameObject(uint32 entry, float x, float y, float z, float ang, float rotation0, float rotation1, float rotation2, float rotation3, uint32 respawnTime, bool checkTransport = true);
     void SummonCreatureGroup(uint8 group, std::list<TempSummon*>* list = nullptr);
     Player* GetPlayer(uint64 guid);
@@ -471,7 +471,7 @@ public:
     BattlegroundMap* ToBattlegroundMap() { if (IsBattlegroundOrArena()) return reinterpret_cast<BattlegroundMap*>(this); else return nullptr;  }
     [[nodiscard]] const BattlegroundMap* ToBattlegroundMap() const { if (IsBattlegroundOrArena()) return reinterpret_cast<BattlegroundMap const*>(this); return nullptr; }
 
-    float GetWaterOrGroundLevel(uint32 phasemask, float x, float y, float z, float* ground = NULL, bool swim = false, float maxSearchDist = 50.0f) const;
+    float GetWaterOrGroundLevel(uint32 phasemask, float x, float y, float z, float* ground = nullptr, bool swim = false, float maxSearchDist = 50.0f) const;
     [[nodiscard]] float GetHeight(uint32 phasemask, float x, float y, float z, bool vmap = true, float maxSearchDist = DEFAULT_HEIGHT_SEARCH) const;
     [[nodiscard]] bool isInLineOfSight(float x1, float y1, float z1, float x2, float y2, float z2, uint32 phasemask, LineOfSightChecks checks) const;
     void Balance() { _dynamicTree.balance(); }

src/server/game/Movement/MotionMaster.h

@@ -178,7 +178,7 @@ public:
     void MoveTakeoff(uint32 id, Position const& pos, float speed);
     void MoveTakeoff(uint32 id, float x, float y, float z, float speed); // pussywizard: added for easy calling by passing 3 floats x, y, z
 
-    void MoveCharge(float x, float y, float z, float speed = SPEED_CHARGE, uint32 id = EVENT_CHARGE, const Movement::PointsArray* path = NULL, bool generatePath = false, float orientation = 0.0f);
+    void MoveCharge(float x, float y, float z, float speed = SPEED_CHARGE, uint32 id = EVENT_CHARGE, const Movement::PointsArray* path = nullptr, bool generatePath = false, float orientation = 0.0f);
     void MoveKnockbackFrom(float srcX, float srcY, float speedXY, float speedZ);
     void MoveJumpTo(float angle, float speedXY, float speedZ);
     void MoveJump(Position const& pos, float speedXY, float speedZ, uint32 id = 0)

src/server/game/World/World.h

@@ -713,10 +713,10 @@ public:
     void SendWorldText(uint32 string_id, ...);
     void SendGlobalText(const char* text, WorldSession* self);
     void SendGMText(uint32 string_id, ...);
-    void SendGlobalMessage(WorldPacket* packet, WorldSession* self = 0, TeamId teamId = TEAM_NEUTRAL);
+    void SendGlobalMessage(WorldPacket* packet, WorldSession* self = nullptr, TeamId teamId = TEAM_NEUTRAL);
-    void SendGlobalGMMessage(WorldPacket* packet, WorldSession* self = 0, TeamId teamId = TEAM_NEUTRAL);
+    void SendGlobalGMMessage(WorldPacket* packet, WorldSession* self = nullptr, TeamId teamId = TEAM_NEUTRAL);
-    bool SendZoneMessage(uint32 zone, WorldPacket* packet, WorldSession* self = 0, TeamId teamId = TEAM_NEUTRAL);
+    bool SendZoneMessage(uint32 zone, WorldPacket* packet, WorldSession* self = nullptr, TeamId teamId = TEAM_NEUTRAL);
-    void SendZoneText(uint32 zone, const char* text, WorldSession* self = 0, TeamId teamId = TEAM_NEUTRAL);
+    void SendZoneText(uint32 zone, const char* text, WorldSession* self = nullptr, TeamId teamId = TEAM_NEUTRAL);
     void SendServerMessage(ServerMessageType type, const char* text = "", Player* player = nullptr);
 
     /// Are we in the middle of a shutdown?

src/server/shared/Network/RealmSocket.cpp

@@ -148,11 +148,11 @@ ssize_t RealmSocket::noblk_send(ACE_Message_Block& message_block)
 
 bool RealmSocket::send(const char* buf, size_t len)
 {
-    if (buf == NULL || len == 0)
+    if (buf == nullptr || len == 0)
         return true;
 
-    ACE_Data_Block db(len, ACE_Message_Block::MB_DATA, (const char*)buf, 0, 0, ACE_Message_Block::DONT_DELETE, 0);
+    ACE_Data_Block db(len, ACE_Message_Block::MB_DATA, (const char*)buf, nullptr, nullptr, ACE_Message_Block::DONT_DELETE, nullptr);
-    ACE_Message_Block message_block(&db, ACE_Message_Block::DONT_DELETE, 0);
+    ACE_Message_Block message_block(&db, ACE_Message_Block::DONT_DELETE, nullptr);
 
     message_block.wr_ptr(len);
 
@@ -191,7 +191,7 @@ int RealmSocket::handle_output(ACE_HANDLE)
     if (closing_)
         return -1;
 
-    ACE_Message_Block* mb = 0;
+    ACE_Message_Block* mb = nullptr;
 
     if (msg_queue()->is_empty())
     {

src/tools/map_extractor/adt.cpp

@@ -34,7 +34,7 @@ bool isHole(int holes, int i, int j)
 //
 ADT_file::ADT_file()
 {
-    a_grid = 0;
+    a_grid = nullptr;
 }
 
 ADT_file::~ADT_file()
@@ -44,7 +44,7 @@ ADT_file::~ADT_file()
 
 void ADT_file::free()
 {
-    a_grid = 0;
+    a_grid = nullptr;
     FileLoader::free();
 }
 

src/tools/map_extractor/adt.h

@@ -126,13 +126,13 @@ public:
     {
         if (offsMCVT)
             return (adt_MCVT*)((uint8*)this + offsMCVT);
-        return 0;
+        return nullptr;
     }
     adt_MCLQ* getMCLQ()
     {
         if (offsMCLQ)
             return (adt_MCLQ*)((uint8*)this + offsMCLQ);
-        return 0;
+        return nullptr;
     }
 };
 
@@ -162,7 +162,7 @@ public:
     {
         if (cells[x][y].offsMCNK)
             return (adt_MCNK*)((uint8*)this + cells[x][y].offsMCNK - 84);
-        return 0;
+        return nullptr;
     }
 };
 
@@ -209,42 +209,42 @@ public:
     {
         if (liquid[x][y].used && liquid[x][y].offsData1)
             return (adt_liquid_header*)((uint8*)this + 8 + liquid[x][y].offsData1);
-        return 0;
+        return nullptr;
     }
 
     float* getLiquidHeightMap(adt_liquid_header* h)
     {
         if (h->formatFlags & ADT_LIQUID_HEADER_NO_HIGHT)
-            return 0;
+            return nullptr;
         if (h->offsData2b)
             return (float*)((uint8*)this + 8 + h->offsData2b);
-        return 0;
+        return nullptr;
     }
 
     uint8* getLiquidLightMap(adt_liquid_header* h)
     {
         if (h->formatFlags & ADT_LIQUID_HEADER_FULL_LIGHT)
-            return 0;
+            return nullptr;
         if (h->offsData2b)
         {
             if (h->formatFlags & ADT_LIQUID_HEADER_NO_HIGHT)
                 return (uint8*)((uint8*)this + 8 + h->offsData2b);
             return (uint8*)((uint8*)this + 8 + h->offsData2b + (h->width + 1) * (h->height + 1) * 4);
         }
-        return 0;
+        return nullptr;
     }
 
     uint32* getLiquidFullLightMap(adt_liquid_header* h)
     {
         if (!(h->formatFlags & ADT_LIQUID_HEADER_FULL_LIGHT))
-            return 0;
+            return nullptr;
         if (h->offsData2b)
         {
             if (h->formatFlags & ADT_LIQUID_HEADER_NO_HIGHT)
                 return (uint32*)((uint8*)this + 8 + h->offsData2b);
             return (uint32*)((uint8*)this + 8 + h->offsData2b + (h->width + 1) * (h->height + 1) * 4);
         }
-        return 0;
+        return nullptr;
     }
 
     uint64 getLiquidShowMap(adt_liquid_header* h)

src/tools/map_extractor/loadlib.cpp

@@ -16,9 +16,9 @@ u_map_fcc MverMagic = { {'R', 'E', 'V', 'M'} };
 
 FileLoader::FileLoader()
 {
-    data = 0;
+    data = nullptr;
     data_size = 0;
-    version = 0;
+    version = nullptr;
 }
 
 FileLoader::~FileLoader()
@@ -65,7 +65,7 @@ bool FileLoader::prepareLoadedData()
 void FileLoader::free()
 {
     delete[] data;
-    data = 0;
+    data = nullptr;
     data_size = 0;
-    version = 0;
+    version = nullptr;
 }

src/tools/map_extractor/mpq_libmpq.cpp

@@ -50,7 +50,7 @@ void MPQArchive::close()
 
 MPQFile::MPQFile(const char* filename):
     eof(false),
-    buffer(0),
+    buffer(nullptr),
     pointer(0),
     size(0)
 {
@@ -68,7 +68,7 @@ MPQFile::MPQFile(const char* filename):
         {
             //            printf("warning: file %s has size %d; cannot read.\n", filename, size);
             eof = true;
-            buffer = 0;
+            buffer = nullptr;
             return;
         }
         buffer = new char[size];
@@ -80,7 +80,7 @@ MPQFile::MPQFile(const char* filename):
 
     }
     eof = true;
-    buffer = 0;
+    buffer = nullptr;
 }
 
 size_t MPQFile::read(void* dest, size_t bytes)
@@ -116,6 +116,6 @@ void MPQFile::seekRelative(int offset)
 void MPQFile::close()
 {
     delete[] buffer;
-    buffer = 0;
+    buffer = nullptr;
     eof = true;
 }

src/tools/map_extractor/wdt.cpp

@@ -35,9 +35,9 @@ bool wdt_MAIN::prepareLoadedData()
 
 WDT_file::WDT_file()
 {
-    mphd = 0;
+    mphd = nullptr;
-    main = 0;
+    main = nullptr;
-    wmo  = 0;
+    wmo  = nullptr;
 }
 
 WDT_file::~WDT_file()
@@ -47,9 +47,9 @@ WDT_file::~WDT_file()
 
 void WDT_file::free()
 {
-    mphd = 0;
+    mphd = nullptr;
-    main = 0;
+    main = nullptr;
-    wmo  = 0;
+    wmo  = nullptr;
     FileLoader::free();
 }
 

src/tools/vmap4_extractor/model.cpp

@@ -12,7 +12,7 @@
 #include <algorithm>
 #include <cstdio>
 
-Model::Model(std::string& filename) : filename(filename), vertices(0), indices(0)
+Model::Model(std::string& filename) : filename(filename), vertices(nullptr), indices(nullptr)
 {
     memset(&header, 0, sizeof(header));
 }

src/tools/vmap4_extractor/mpq_libmpq.cpp

@@ -50,7 +50,7 @@ void MPQArchive::close()
 
 MPQFile::MPQFile(const char* filename):
     eof(false),
-    buffer(0),
+    buffer(nullptr),
     pointer(0),
     size(0)
 {
@@ -68,7 +68,7 @@ MPQFile::MPQFile(const char* filename):
         {
             // printf("info: file %s has size %d; considered dummy file.\n", filename, size);
             eof = true;
-            buffer = 0;
+            buffer = nullptr;
             return;
         }
         buffer = new char[size];
@@ -80,7 +80,7 @@ MPQFile::MPQFile(const char* filename):
 
     }
     eof = true;
-    buffer = 0;
+    buffer = nullptr;
 }
 
 size_t MPQFile::read(void* dest, size_t bytes)
@@ -116,6 +116,6 @@ void MPQFile::seekRelative(int offset)
 void MPQFile::close()
 {
     delete[] buffer;
-    buffer = 0;
+    buffer = nullptr;
     eof = true;
 }

src/tools/vmap4_extractor/vmapexport.cpp

@@ -53,7 +53,7 @@ typedef struct
 } map_id;
 
 map_id* map_ids;
-uint16* LiqType = 0;
+uint16* LiqType = nullptr;
 uint32 map_count;
 char output_path[128] = ".";
 char input_path[1024] = ".";

src/tools/vmap4_extractor/wmo.cpp

@@ -125,8 +125,8 @@ bool WMORoot::ConvertToVMAPRootWmo(FILE* pOutfile)
 }
 
 WMOGroup::WMOGroup(const std::string& filename) :
-    filename(filename), MOPY(0), MOVI(0), MoviEx(0), MOVT(0), MOBA(0), MobaEx(0),
+    filename(filename), MOPY(nullptr), MOVI(nullptr), MoviEx(nullptr), MOVT(nullptr), MOBA(nullptr), MobaEx(nullptr),
-    hlq(0), LiquEx(0), LiquBytes(0), groupName(0), descGroupName(0), mogpFlags(0),
+    hlq(nullptr), LiquEx(nullptr), LiquBytes(nullptr), groupName(0), descGroupName(0), mogpFlags(0),
     moprIdx(0), moprNItems(0), nBatchA(0), nBatchB(0), nBatchC(0), fogIdx(0),
     liquidType(0), groupWMOID(0), mopy_size(0), moba_size(0), LiquEx_size(0),
     nVertices(0), nTriangles(0), liquflags(0)