Add const attribute to net classes.

44 files changed, 267 insertions, 245 deletions

diff --git a/src/net/ea/adminhandler.h b/src/net/ea/adminhandler.h
index c73fbafde..52d648bb4 100644
--- a/src/net/ea/adminhandler.h
+++ b/src/net/ea/adminhandler.h
@@ -43,11 +43,11 @@ class AdminHandler notfinal : public Net::AdminHandler
 
         void kickName(const std::string &name) const override final;
 
-        void ban(const int playerId) const override final;
+        void ban(const int playerId) const override final A_CONST;
 
         void banName(const std::string &name) const override final;
 
-        void unban(const int playerId) const override final;
+        void unban(const int playerId) const override final A_CONST;
 
         void unbanName(const std::string &name) const override final;
 
diff --git a/src/net/ea/charserverhandler.h b/src/net/ea/charserverhandler.h
index 72a7baff8..e6b739844 100644
--- a/src/net/ea/charserverhandler.h
+++ b/src/net/ea/charserverhandler.h
@@ -41,11 +41,11 @@ class CharServerHandler notfinal : public Net::CharServerHandler
 
         void requestCharacters() override final;
 
-        unsigned int baseSprite() const override final A_WARN_UNUSED;
+        unsigned int baseSprite() const override final A_CONST A_WARN_UNUSED;
 
-        unsigned int hairSprite() const override final A_WARN_UNUSED;
+        unsigned int hairSprite() const override final A_CONST A_WARN_UNUSED;
 
-        unsigned int maxSprite() const override final A_WARN_UNUSED;
+        unsigned int maxSprite() const override final A_CONST A_WARN_UNUSED;
 
         virtual void connect() = 0;
 
diff --git a/src/net/ea/gamehandler.h b/src/net/ea/gamehandler.h
index 123fbb543..1f35e9518 100644
--- a/src/net/ea/gamehandler.h
+++ b/src/net/ea/gamehandler.h
@@ -35,7 +35,7 @@ class GameHandler notfinal : public Net::GameHandler
 
         A_DELETE_COPY(GameHandler)
 
-        void who() const override final;
+        void who() const override final A_CONST;
 
         bool removeDeadBeings() const override final A_WARN_UNUSED
         { return true; }
diff --git a/src/net/ea/inventoryhandler.cpp b/src/net/ea/inventoryhandler.cpp
index 44931ae8a..8f1fbe332 100644
--- a/src/net/ea/inventoryhandler.cpp
+++ b/src/net/ea/inventoryhandler.cpp
@@ -76,11 +76,6 @@ void InventoryHandler::moveItem(const int oldIndex A_UNUSED,
     // Not implemented for eAthena (possible?)
 }
 
-void InventoryHandler::openStorage(const int type A_UNUSED) const
-{
-    // Doesn't apply to eAthena, since opening happens through NPCs?
-}
-
 size_t InventoryHandler::getSize(const InventoryTypeT type) const
 {
     switch (type)
diff --git a/src/net/ea/inventoryhandler.h b/src/net/ea/inventoryhandler.h
index 5c6f4258e..b6f6fdc06 100644
--- a/src/net/ea/inventoryhandler.h
+++ b/src/net/ea/inventoryhandler.h
@@ -46,18 +46,16 @@ class InventoryHandler notfinal : public Net::InventoryHandler
         void clear() override final;
 
         bool canSplit(const Item *const item) const
-                      override final A_WARN_UNUSED;
+                      override final A_CONST A_WARN_UNUSED;
 
         void splitItem(const Item *const item,
-                       const int amount) const override final;
+                       const int amount) const override final A_CONST;
 
         void moveItem(const int oldIndex,
-                      const int newIndex) const override final;
-
-        void openStorage(const int type) const override final;
+                      const int newIndex) const override final A_CONST;
 
         size_t getSize(const InventoryTypeT type) const override final
-                       A_WARN_UNUSED;
+                       A_CONST A_WARN_UNUSED;
 
         void pushPickup(const BeingId floorId);
 
diff --git a/src/net/ea/loginhandler.h b/src/net/ea/loginhandler.h
index fb9003473..63bf0afc8 100644
--- a/src/net/ea/loginhandler.h
+++ b/src/net/ea/loginhandler.h
@@ -54,21 +54,22 @@ class LoginHandler notfinal : public Net::LoginHandler
         void registerAccount(const LoginData *const loginData)
                              const override final;
 
-        const Worlds &getWorlds() const override final A_WARN_UNUSED;
+        const Worlds &getWorlds() const override final A_CONST A_WARN_UNUSED;
 
         void clearWorlds() override final;
 
         virtual ServerInfo *getCharServer() const A_WARN_UNUSED = 0;
 
-        const Token &getToken() const A_WARN_UNUSED;
+        const Token &getToken() const A_CONST A_WARN_UNUSED;
 
-        void logout() const override final;
+        void logout() const override final A_CONST;
 
-        void changeEmail(const std::string &email) const override final;
+        void changeEmail(const std::string &email) const
+                         override final A_CONST;
 
         void unregisterAccount(const std::string &username,
                                const std::string &password)
-                               const override final;
+                               const override final A_CONST;
 
         void loginOrRegister(LoginData *const data) const override final;
 
diff --git a/src/net/ea/partyhandler.h b/src/net/ea/partyhandler.h
index 2dc8e5c87..22c9592f3 100644
--- a/src/net/ea/partyhandler.h
+++ b/src/net/ea/partyhandler.h
@@ -37,7 +37,7 @@ class PartyHandler notfinal : public Net::PartyHandler
 
         virtual ~PartyHandler();
 
-        void join(const int partyId) const override final;
+        void join(const int partyId) const override final A_CONST;
 
         PartyShareT getShareExperience() const override final A_WARN_UNUSED;
 
diff --git a/src/net/ea/playerhandler.h b/src/net/ea/playerhandler.h
index a04d78ee6..c94e1f4fb 100644
--- a/src/net/ea/playerhandler.h
+++ b/src/net/ea/playerhandler.h
@@ -42,12 +42,13 @@ class PlayerHandler notfinal : public Net::PlayerHandler
 
         A_DELETE_COPY(PlayerHandler)
 
-        void decreaseAttribute(const AttributesT attr) const override final;
+        void decreaseAttribute(const AttributesT attr) const
+                               override final A_CONST;
 
         void ignorePlayer(const std::string &player,
-                          const bool ignore) const override final;
+                          const bool ignore) const override final A_CONST;
 
-        void ignoreAll(const bool ignore) const override final;
+        void ignoreAll(const bool ignore) const override final A_CONST;
 
         bool canUseMagic() const override final;
 
diff --git a/src/net/ea/tradehandler.h b/src/net/ea/tradehandler.h
index 1ee4bde92..3e19ce91e 100644
--- a/src/net/ea/tradehandler.h
+++ b/src/net/ea/tradehandler.h
@@ -36,7 +36,7 @@ class TradeHandler notfinal : public Net::TradeHandler
         A_DELETE_COPY(TradeHandler)
 
         void removeItem(const int slotNum,
-                        const int amount) const override final;
+                        const int amount) const override final A_CONST;
 };
 
 }  // namespace Ea
diff --git a/src/net/eathena/buysellhandler.h b/src/net/eathena/buysellhandler.h
index 6327bfbff..a0a9ba205 100644
--- a/src/net/eathena/buysellhandler.h
+++ b/src/net/eathena/buysellhandler.h
@@ -36,18 +36,18 @@ class BuySellHandler final : public Ea::BuySellHandler
         A_DELETE_COPY(BuySellHandler)
 
         void requestSellList(const std::string &nick)
-                             const override final;
+                             const override final A_CONST;
 
         void requestBuyList(const std::string &nick)
-                            const override final;
+                            const override final A_CONST;
 
         void sendBuyRequest(const std::string &nick,
                             const ShopItem *const item,
-                            const int amount) const override final;
+                            const int amount) const override final A_CONST;
 
         void sendSellRequest(const std::string &nick,
                              const ShopItem *const item,
-                             const int amount) const override final;
+                             const int amount) const override final A_CONST;
 
         void close() const override final;
 };
diff --git a/src/net/eathena/cashshophandler.h b/src/net/eathena/cashshophandler.h
index 132d019b8..71ac1b501 100644
--- a/src/net/eathena/cashshophandler.h
+++ b/src/net/eathena/cashshophandler.h
@@ -39,7 +39,8 @@ class CashShopHandler final : public Net::CashShopHandler
                      const ItemColor color,
                      const int amount) const override final;
 
-        void buyItems(std::vector<ShopItem*> &items) const override final;
+        void buyItems(std::vector<ShopItem*> &items) const override final
+                      A_CONST;
 
         void close() const override final;
 
diff --git a/src/net/eathena/charserverhandler.h b/src/net/eathena/charserverhandler.h
index e08a73584..60f3855d7 100644
--- a/src/net/eathena/charserverhandler.h
+++ b/src/net/eathena/charserverhandler.h
@@ -61,7 +61,7 @@ class CharServerHandler final : public Ea::CharServerHandler
 
         bool isNeedCreatePin() const override final A_WARN_UNUSED;
 
-        void setNewPincode(const std::string &pin) override final;
+        void setNewPincode(const std::string &pin) override final A_CONST;
 
         /**
          * Sets the character create dialog. The handler will clean up this
@@ -75,7 +75,7 @@ class CharServerHandler final : public Ea::CharServerHandler
 
         void ping() const override final;
 
-        unsigned int hatSprite() const override final A_WARN_UNUSED;
+        unsigned int hatSprite() const override final A_CONST A_WARN_UNUSED;
 };
 
 }  // namespace EAthena
diff --git a/src/net/eathena/gamehandler.h b/src/net/eathena/gamehandler.h
index ddbe43c07..c5b20f8e9 100644
--- a/src/net/eathena/gamehandler.h
+++ b/src/net/eathena/gamehandler.h
@@ -45,7 +45,7 @@ class GameHandler final : public Ea::GameHandler
 
         void ping(const int tick) const override final;
 
-        void disconnect2() const override final;
+        void disconnect2() const override final A_CONST;
 
         void mapLoadedEvent() const override final;
 
diff --git a/src/net/eathena/pethandler.h b/src/net/eathena/pethandler.h
index 2e8dddb05..bc03e3dbd 100644
--- a/src/net/eathena/pethandler.h
+++ b/src/net/eathena/pethandler.h
@@ -38,7 +38,7 @@ class PetHandler final :  public Net::PetHandler
 
         void spawn(const Being *const being,
                    const int petId,
-                   const int x, const int y) const override final;
+                   const int x, const int y) const override final A_CONST;
 
         void emote(const uint8_t emoteId,
                    const int petId) override final;
@@ -61,7 +61,7 @@ class PetHandler final :  public Net::PetHandler
 
         void setDirection(const unsigned char type) const override final;
 
-        void startAi(const bool start) const override final;
+        void startAi(const bool start) const override final A_CONST;
 };
 
 }  // namespace EAthena
diff --git a/src/net/eathena/serverfeatures.h b/src/net/eathena/serverfeatures.h
index 980d6fa9a..3d0eeb9d4 100644
--- a/src/net/eathena/serverfeatures.h
+++ b/src/net/eathena/serverfeatures.h
@@ -36,51 +36,51 @@ class ServerFeatures final : public Net::ServerFeatures
 
         bool haveServerOnlineList() const override final;
 
-        bool haveOnlineList() const override final;
+        bool haveOnlineList() const override final A_CONST;
 
-        bool havePartyNickInvite() const override final;
+        bool havePartyNickInvite() const override final A_CONST;
 
-        bool haveChangePartyLeader() const override final;
+        bool haveChangePartyLeader() const override final A_CONST;
 
-        bool haveServerHp() const override final;
+        bool haveServerHp() const override final A_CONST;
 
         bool havePlayerStatusUpdate() const override final;
 
-        bool haveBrokenPlayerAttackDistance() const override final;
+        bool haveBrokenPlayerAttackDistance() const override final A_CONST;
 
-        bool haveNativeGuilds() const override final;
+        bool haveNativeGuilds() const override final A_CONST;
 
-        bool haveIncompleteChatMessages() const override final;
+        bool haveIncompleteChatMessages() const override final A_CONST;
 
         bool haveRaceSelection() const override final;
 
         bool haveLookSelection() const override final;
 
-        bool haveChatChannels() const override final;
+        bool haveChatChannels() const override final A_CONST;
 
-        bool haveServerIgnore() const override final;
+        bool haveServerIgnore() const override final A_CONST;
 
         bool haveMove3() const override final;
 
-        bool haveItemColors() const override final;
+        bool haveItemColors() const override final A_CONST;
 
-        bool haveAccountOtherGender() const override final;
+        bool haveAccountOtherGender() const override final A_CONST;
 
         bool haveCharOtherGender() const override final;
 
-        bool haveMonsterAttackRange() const override final;
+        bool haveMonsterAttackRange() const override final A_CONST;
 
-        bool haveMonsterName() const override final;
+        bool haveMonsterName() const override final A_CONST;
 
         bool haveEmailOnRegister() const override final;
 
         bool haveEmailOnDelete() const override final;
 
-        bool haveEightDirections() const override final;
+        bool haveEightDirections() const override final A_CONST;
 
-        bool haveCharRename() const override final;
+        bool haveCharRename() const override final A_CONST;
 
-        bool haveBankApi() const override final;
+        bool haveBankApi() const override final A_CONST;
 
         bool haveServerVersion() const override final;
 
@@ -90,15 +90,15 @@ class ServerFeatures final : public Net::ServerFeatures
 
         bool haveJoinChannel() const override final;
 
-        bool haveNpcWhispers() const override final;
+        bool haveNpcWhispers() const override final A_CONST;
 
         bool haveCreateCharGender() const override final;
 
-        bool haveAttackDirections() const override final;
+        bool haveAttackDirections() const override final A_CONST;
 
-        bool haveVending() const override final;
+        bool haveVending() const override final A_CONST;
 
-        bool haveCart() const override final;
+        bool haveCart() const override final A_CONST;
 
         bool haveTalkPet() const override final;
 
@@ -106,21 +106,21 @@ class ServerFeatures final : public Net::ServerFeatures
 
         bool haveServerWarpNames() const override final;
 
-        bool haveExpPacket() const override final;
+        bool haveExpPacket() const override final A_CONST;
 
-        bool haveMute() const override final;
+        bool haveMute() const override final A_CONST;
 
         bool haveChangePassword() const override final;
 
-        bool haveTeamId() const override final;
+        bool haveTeamId() const override final A_CONST;
 
-        bool haveNewGuild() const override final;
+        bool haveNewGuild() const override final A_CONST;
 
         bool haveAdvancedSprites() const override final;
 
         bool haveExtendedRiding() const override final;
 
-        bool haveAdvancedBuySell() const override final;
+        bool haveAdvancedBuySell() const override final A_CONST;
 
         bool haveSlide() const override final;
 };
diff --git a/src/net/inventoryhandler.h b/src/net/inventoryhandler.h
index c7153ee29..84c28678f 100644
--- a/src/net/inventoryhandler.h
+++ b/src/net/inventoryhandler.h
@@ -53,8 +53,6 @@ class InventoryHandler notfinal
         virtual void moveItem(const int oldIndex,
                               const int newIndex) const = 0;
 
-        virtual void openStorage(const int type) const = 0;
-
         virtual void closeStorage() const = 0;
 
         virtual void moveItem2(const InventoryTypeT source,
diff --git a/src/net/messageout.h b/src/net/messageout.h
index 39b826dfe..9b6081b14 100644
--- a/src/net/messageout.h
+++ b/src/net/messageout.h
@@ -89,7 +89,8 @@ class MessageOut notfinal
         virtual ~MessageOut()
         { }
 
-        static unsigned char toServerDirection(unsigned char direction);
+        static unsigned char toServerDirection(unsigned char direction)
+                                               A_CONST;
 
     protected:
         /**
diff --git a/src/net/tmwa/adminhandler.h b/src/net/tmwa/adminhandler.h
index 3bc0f0175..98757b1e3 100644
--- a/src/net/tmwa/adminhandler.h
+++ b/src/net/tmwa/adminhandler.h
@@ -43,14 +43,14 @@ class AdminHandler final : public Ea::AdminHandler
 
         void kick(const BeingId playerId) const override final;
 
-        void kickAll() const override final;
+        void kickAll() const override final A_CONST;
 
         void warp(const std::string &map,
                   const int x, const int y) const override final;
 
-        void resetStats() const override final;
+        void resetStats() const override final A_CONST;
 
-        void resetSkills() const override final;
+        void resetSkills() const override final A_CONST;
 
         void gotoName(const std::string &name) const override final;
 
@@ -58,18 +58,19 @@ class AdminHandler final : public Ea::AdminHandler
 
         void mute(const Being *const being,
                   const int type,
-                  const int limit) const override final;
+                  const int limit) const override final A_CONST;
 
-        void muteName(const std::string &name) const override final;
+        void muteName(const std::string &name) const override final A_CONST;
 
-        void requestLogin(const Being *const being) const override final;
+        void requestLogin(const Being *const being) const override final
+                          A_CONST;
 
         void setTileType(const int x, const int y,
-                         const int type) const override final;
+                         const int type) const override final A_CONST;
 
-        void unequipAll(const Being *const being) const override final;
+        void unequipAll(const Being *const being) const override final A_CONST;
 
-        void requestStats(const std::string &name) override final;
+        void requestStats(const std::string &name) override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/auctionhandler.h b/src/net/tmwa/auctionhandler.h
index d4acb42b4..66f8fdece 100644
--- a/src/net/tmwa/auctionhandler.h
+++ b/src/net/tmwa/auctionhandler.h
@@ -34,30 +34,30 @@ class AuctionHandler final : public Net::AuctionHandler
 
         A_DELETE_COPY(AuctionHandler)
 
-        void cancelReg() const override final;
+        void cancelReg() const override final A_CONST;
 
         void setItem(const Item *const item,
-                     const int amount) const override final;
+                     const int amount) const override final A_CONST;
 
         void reg(const int currentPrice,
                  const int maxPrice,
-                 const int hours) const override final;
+                 const int hours) const override final A_CONST;
 
-        void cancel(const int auctionId) const override final;
+        void cancel(const int auctionId) const override final A_CONST;
 
-        void close(const int auctionId) const override final;
+        void close(const int auctionId) const override final A_CONST;
 
         void bid(const int auctionId,
-                 const int money) const override final;
+                 const int money) const override final A_CONST;
 
         void search(const AuctionSearchTypeT type,
                     const int auctionId,
                     const std::string &text,
-                    const int page) const override final;
+                    const int page) const override final A_CONST;
 
-        void buy() const override final;
+        void buy() const override final A_CONST;
 
-        void sell() const override final;
+        void sell() const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/bankhandler.h b/src/net/tmwa/bankhandler.h
index dfa9fbb1f..f6777db92 100644
--- a/src/net/tmwa/bankhandler.h
+++ b/src/net/tmwa/bankhandler.h
@@ -35,15 +35,15 @@ class BankHandler final : public Net::BankHandler
 
         A_DELETE_COPY(BankHandler)
 
-        void deposit(const int money) const override final;
+        void deposit(const int money) const override final A_CONST;
 
-        void withdraw(const int money) const override final;
+        void withdraw(const int money) const override final A_CONST;
 
-        void check() const override final;
+        void check() const override final A_CONST;
 
-        void open() const override final;
+        void open() const override final A_CONST;
 
-        void close() const override final;
+        void close() const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/battlegroundhandler.h b/src/net/tmwa/battlegroundhandler.h
index 63687fad9..4ed9bf91f 100644
--- a/src/net/tmwa/battlegroundhandler.h
+++ b/src/net/tmwa/battlegroundhandler.h
@@ -36,15 +36,17 @@ class BattleGroundHandler final : public Net::BattleGroundHandler
         A_DELETE_COPY(BattleGroundHandler)
 
         void registerBg(const BattleGroundTypeT &type,
-                        const std::string &name) const override final;
+                        const std::string &name) const override final A_CONST;
 
-        void rekoveRequest(const std::string &name) const override final;
+        void rekoveRequest(const std::string &name) const override final
+                           A_CONST;
 
         void beginAck(const bool result,
                       const std::string &bgName,
-                      const std::string &gameName) const override final;
+                      const std::string &gameName) const override final
+                      A_CONST;
 
-        void checkState(const std::string &name) const override final;
+        void checkState(const std::string &name) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/beinghandler.h b/src/net/tmwa/beinghandler.h
index bb39983d5..0d13ca831 100644
--- a/src/net/tmwa/beinghandler.h
+++ b/src/net/tmwa/beinghandler.h
@@ -40,13 +40,14 @@ class BeingHandler final : public Ea::BeingHandler
         void undress(Being *const being) const override final;
 
 #ifdef EATHENA_SUPPORT
-        void requestRanks(const RankT rank A_UNUSED) const override final;
+        void requestRanks(const RankT rank A_UNUSED) const override final
+                          A_CONST;
 #endif
 
-        void requestNameByCharId(const int id) const override final;
+        void requestNameByCharId(const int id) const override final A_CONST;
 
     protected:
-        void viewPlayerEquipment(const Being *const being);
+        void viewPlayerEquipment(const Being *const being) A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/buyingstorehandler.h b/src/net/tmwa/buyingstorehandler.h
index bfbb71080..031bf6d53 100644
--- a/src/net/tmwa/buyingstorehandler.h
+++ b/src/net/tmwa/buyingstorehandler.h
@@ -38,16 +38,17 @@ class BuyingStoreHandler final : public Net::BuyingStoreHandler
         void create(const std::string &name,
                     const int maxMoney,
                     const bool flag,
-                    std::vector<ShopItem*> &items) const override final;
+                    std::vector<ShopItem*> &items) const override final
+                    A_CONST;
 
-        void close() const override final;
+        void close() const override final A_CONST;
 
-        void open(const Being *const being) const override final;
+        void open(const Being *const being) const override final A_CONST;
 
         void sell(const Being *const being,
                   const int storeId,
                   const Item *const item,
-                  const int amount) const override final;
+                  const int amount) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/buysellhandler.h b/src/net/tmwa/buysellhandler.h
index 7ed1b83d4..3fcf6046c 100644
--- a/src/net/tmwa/buysellhandler.h
+++ b/src/net/tmwa/buysellhandler.h
@@ -49,7 +49,7 @@ class BuySellHandler final : public Ea::BuySellHandler
                              const ShopItem *const item,
                              const int amount) const override final;
 
-        void close() const override final;
+        void close() const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/cashshophandler.h b/src/net/tmwa/cashshophandler.h
index c81ed394e..8cecf92d4 100644
--- a/src/net/tmwa/cashshophandler.h
+++ b/src/net/tmwa/cashshophandler.h
@@ -38,17 +38,18 @@ class CashShopHandler final : public Net::CashShopHandler
         void buyItem(const int points,
                      const int itemId,
                      const ItemColor color,
-                     const int amount) const override final;
+                     const int amount) const override final A_CONST;
 
-        void buyItems(std::vector<ShopItem*> &items) const override final;
+        void buyItems(std::vector<ShopItem*> &items) const override final
+                      A_CONST;
 
-        void close() const override final;
+        void close() const override final A_CONST;
 
-        void requestPoints() const override final;
+        void requestPoints() const override final A_CONST;
 
-        void requestTab(const int tab) const override final;
+        void requestTab(const int tab) const override final A_CONST;
 
-        void schedule() const override final;
+        void schedule() const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/charserverhandler.h b/src/net/tmwa/charserverhandler.h
index b141fc7bc..f80385edb 100644
--- a/src/net/tmwa/charserverhandler.h
+++ b/src/net/tmwa/charserverhandler.h
@@ -53,7 +53,8 @@ class CharServerHandler final : public Ea::CharServerHandler
                              const std::string &email) override final;
 
         void renameCharacter(const BeingId id,
-                             const std::string &newName) override final;
+                             const std::string &newName) override final
+                             A_CONST;
 
         void switchCharacter() const override final;
 
@@ -73,11 +74,12 @@ class CharServerHandler final : public Ea::CharServerHandler
         void setCharCreateDialog(CharCreateDialog *const window)
                                  override final;
 
-        void changeSlot(const int oldSlot, const int newSlot) override final;
+        void changeSlot(const int oldSlot,
+                        const int newSlot) override final A_CONST;
 
-        void ping() const override final;
+        void ping() const override final A_CONST;
 
-        unsigned int hatSprite() const override final A_WARN_UNUSED;
+        unsigned int hatSprite() const override final A_CONST A_WARN_UNUSED;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/chathandler.h b/src/net/tmwa/chathandler.h
index ba591225b..770165cfd 100644
--- a/src/net/tmwa/chathandler.h
+++ b/src/net/tmwa/chathandler.h
@@ -47,7 +47,7 @@ class ChatHandler final : public Ea::ChatHandler
         void channelMessage(const std::string &restrict channel,
                             const std::string &restrict text) override final;
 
-        void joinChannel(const std::string &channel) override final;
+        void joinChannel(const std::string &channel) override final A_CONST;
 
         void who() const override final;
 
@@ -60,34 +60,38 @@ class ChatHandler final : public Ea::ChatHandler
         void createChatRoom(const std::string &title,
                             const std::string &password,
                             const int limit,
-                            const bool isPublic) override final;
+                            const bool isPublic) override final A_CONST;
 
         void ignore(const std::string &nick) const override final;
 
         void unIgnore(const std::string &nick) const override final;
 
-        void requestIgnoreList() const override final;
+        void requestIgnoreList() const override final A_CONST;
 
-        void battleTalk(const std::string &text) const override final;
+        void battleTalk(const std::string &text) const override final A_CONST;
 
         void joinChat(const ChatObject *const chat,
-                      const std::string &password) const override final;
+                      const std::string &password) const override final
+                      A_CONST;
 
-        void partChannel(const std::string &channel) override final;
+        void partChannel(const std::string &channel) override final A_CONST;
 
         void talkPet(const std::string &restrict text,
                      const std::string &restrict channel) const override final;
 
-        void leaveChatRoom() const override final;
+        void leaveChatRoom() const override final A_CONST;
 
         void setChatRoomOptions(const int limit,
                                 const bool isPublic,
                                 const std::string &password,
-                                const std::string &title) const override final;
+                                const std::string &title) const override final
+                                A_CONST;
 
-        void setChatRoomOwner(const std::string &nick) const override final;
+        void setChatRoomOwner(const std::string &nick) const override final
+                              A_CONST;
 
-        void kickFromChatRoom(const std::string &nick) const override final;
+        void kickFromChatRoom(const std::string &nick) const override final
+                              A_CONST;
 
     protected:
         static void processRaw(MessageOut &restrict outMsg,
diff --git a/src/net/tmwa/familyhandler.h b/src/net/tmwa/familyhandler.h
index ff6328f65..fe068c303 100644
--- a/src/net/tmwa/familyhandler.h
+++ b/src/net/tmwa/familyhandler.h
@@ -35,9 +35,9 @@ class FamilyHandler final : public Net::FamilyHandler
 
         A_DELETE_COPY(FamilyHandler)
 
-        void askForChild(const Being *const being) override final;
+        void askForChild(const Being *const being) override final A_CONST;
 
-        void askForChildReply(const bool accept) override final;
+        void askForChildReply(const bool accept) override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/friendshandler.h b/src/net/tmwa/friendshandler.h
index bd223a499..cb751faea 100644
--- a/src/net/tmwa/friendshandler.h
+++ b/src/net/tmwa/friendshandler.h
@@ -34,14 +34,14 @@ class FriendsHandler final : public Net::FriendsHandler
 
         A_DELETE_COPY(FriendsHandler)
 
-        void invite(const std::string &name) const override final;
+        void invite(const std::string &name) const override final A_CONST;
 
         void inviteResponse(const int accountId,
                             const int charId,
-                            const bool accept) const override final;
+                            const bool accept) const override final A_CONST;
 
         void remove(const int accountId,
-                    const int charId) const override final;
+                    const int charId) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/guildhandler.h b/src/net/tmwa/guildhandler.h
index 6b2d0e350..371a33e73 100644
--- a/src/net/tmwa/guildhandler.h
+++ b/src/net/tmwa/guildhandler.h
@@ -66,27 +66,31 @@ class GuildHandler final : public Ea::GuildHandler
 
         void checkMaster() const override final;
 
-        void requestAlliance(const Being *const being) const override final;
+        void requestAlliance(const Being *const being) const override final
+                             A_CONST;
 
         void requestAllianceResponse(const int beingId,
-                                     const bool accept) const override final;
+                                     const bool accept) const override final
+                                     A_CONST;
 
         void endAlliance(const int guildId,
-                         const int flag) const override final;
+                         const int flag) const override final A_CONST;
 
         void changePostionInfo(const int posId,
                                const int mode,
                                const int ranking,
                                const int payRate,
-                               const std::string &name) const override final;
+                               const std::string &name) const override final
+                               A_CONST;
 
-        void requestOpposition(const Being *const being) const override final;
+        void requestOpposition(const Being *const being) const override final
+                               A_CONST;
 
-        void breakGuild(const std::string &name) const override final;
+        void breakGuild(const std::string &name) const override final A_CONST;
 
-        void changeEmblem(std::string emblem) const override final;
+        void changeEmblem(std::string emblem) const override final A_CONST;
 
-        void requestEmblem(const int guildId) const override final;
+        void requestEmblem(const int guildId) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/homunculushandler.h b/src/net/tmwa/homunculushandler.h
index d5997c3f6..b4b4752c5 100644
--- a/src/net/tmwa/homunculushandler.h
+++ b/src/net/tmwa/homunculushandler.h
@@ -35,24 +35,26 @@ class HomunculusHandler final : public Net::HomunculusHandler
 
         A_DELETE_COPY(HomunculusHandler)
 
-        void setName(const std::string &name) const override final;
+        void setName(const std::string &name) const override final A_CONST;
 
-        void moveToMaster() const override final;
+        void moveToMaster() const override final A_CONST;
 
-        void move(const int x, const int y) const override final;
+        void move(const int x, const int y) const override final A_CONST;
 
         void attack(const BeingId targetId,
-                    const Keep keep) const override final;
+                    const Keep keep) const override final A_CONST;
 
-        void feed() const override final;
+        void feed() const override final A_CONST;
 
-        void fire() const override final;
+        void fire() const override final A_CONST;
 
-        void talk(const std::string &restrict text) const override final;
+        void talk(const std::string &restrict text) const override final
+                  A_CONST;
 
-        void emote(const uint8_t emoteId) const override final;
+        void emote(const uint8_t emoteId) const override final A_CONST;
 
-        void setDirection(const unsigned char type) const override final;
+        void setDirection(const unsigned char type) const override final
+                          A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/inventoryhandler.h b/src/net/tmwa/inventoryhandler.h
index 81e300bd3..742b59589 100644
--- a/src/net/tmwa/inventoryhandler.h
+++ b/src/net/tmwa/inventoryhandler.h
@@ -53,15 +53,15 @@ class InventoryHandler final : public Ea::InventoryHandler
                        const int amount,
                        const InventoryTypeT destination) const override final;
 
-        void useCard(const Item *const item) override final;
+        void useCard(const Item *const item) override final A_CONST;
 
         void insertCard(const int cardIndex,
-                        const int itemIndex) const override final;
+                        const int itemIndex) const override final A_CONST;
 
         void favoriteItem(const Item *const item,
-                          const bool favorite) const override final;
+                          const bool favorite) const override final A_CONST;
 
-        void selectEgg(const Item *const item) const override final;
+        void selectEgg(const Item *const item) const override final A_CONST;
 
         int convertFromServerSlot(const int serverSlot)
                                   const override final A_WARN_UNUSED;
diff --git a/src/net/tmwa/loginhandler.h b/src/net/tmwa/loginhandler.h
index 0f7adec48..ed167bb8c 100644
--- a/src/net/tmwa/loginhandler.h
+++ b/src/net/tmwa/loginhandler.h
@@ -50,13 +50,13 @@ class LoginHandler final : public Ea::LoginHandler
                             const std::string &restrict newPassword)
                             const override final;
 
-        ServerInfo *getCharServer() const override final A_WARN_UNUSED;
+        ServerInfo *getCharServer() const override final A_CONST A_WARN_UNUSED;
 
-        void sendVersion() const override final;
+        void sendVersion() const override final A_CONST;
 
-        void ping() const override final;
+        void ping() const override final A_CONST;
 
-        static void requestUpdateHosts();
+        static void requestUpdateHosts() A_CONST;
 
     private:
         void sendLoginRegister(const std::string &restrict username,
diff --git a/src/net/tmwa/mailhandler.h b/src/net/tmwa/mailhandler.h
index 7278f85c5..f184baedd 100644
--- a/src/net/tmwa/mailhandler.h
+++ b/src/net/tmwa/mailhandler.h
@@ -35,25 +35,26 @@ class MailHandler final : public Net::MailHandler
 
         A_DELETE_COPY(MailHandler)
 
-        void refresh() const override final;
+        void refresh() const override final A_CONST;
 
-        void readMessage(const int msgId) const override final;
+        void readMessage(const int msgId) const override final A_CONST;
 
-        void getAttach(const int msgId) const override final;
+        void getAttach(const int msgId) const override final A_CONST;
 
-        void deleteMessage(const int msgId) const override final;
+        void deleteMessage(const int msgId) const override final A_CONST;
 
-        void returnMessage(const int msgId) const override final;
+        void returnMessage(const int msgId) const override final A_CONST;
 
-        void setAttach(const int index, const int amount) const override final;
+        void setAttach(const int index,
+                       const int amount) const override final A_CONST;
 
-        void setAttachMoney(const int money) const override final;
+        void setAttachMoney(const int money) const override final A_CONST;
 
-        void resetAttach(const int flag) const override final;
+        void resetAttach(const int flag) const override final A_CONST;
 
         void send(const std::string &name,
                   const std::string &title,
-                  std::string message) const override final;
+                  std::string message) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/markethandler.h b/src/net/tmwa/markethandler.h
index 9cd4b0b8b..9fe97a91c 100644
--- a/src/net/tmwa/markethandler.h
+++ b/src/net/tmwa/markethandler.h
@@ -34,14 +34,15 @@ class MarketHandler final : public Net::MarketHandler
 
         A_DELETE_COPY(MarketHandler)
 
-        void close() override final;
+        void close() override final A_CONST;
 
         void buyItem(const int itemId,
                      const int type,
                      const ItemColor color,
-                     const int amount) const override final;
+                     const int amount) const override final A_CONST;
 
-        void buyItems(std::vector<ShopItem*> &items) const override final;
+        void buyItems(std::vector<ShopItem*> &items) const override final
+                      A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/mercenaryhandler.h b/src/net/tmwa/mercenaryhandler.h
index 58f119e99..2c1bbc99f 100644
--- a/src/net/tmwa/mercenaryhandler.h
+++ b/src/net/tmwa/mercenaryhandler.h
@@ -35,20 +35,22 @@ class MercenaryHandler final : public Net::MercenaryHandler
 
         A_DELETE_COPY(MercenaryHandler)
 
-        void fire() override final;
+        void fire() override final A_CONST;
 
-        void moveToMaster() const override final;
+        void moveToMaster() const override final A_CONST;
 
-        void move(const int x, const int y) const override final;
+        void move(const int x, const int y) const override final A_CONST;
 
         void attack(const BeingId targetId,
-                    const Keep keep) const override final;
+                    const Keep keep) const override final A_CONST;
 
-        void talk(const std::string &restrict text) const override final;
+        void talk(const std::string &restrict text) const override final
+                  A_CONST;
 
-        void emote(const uint8_t emoteId) const override final;
+        void emote(const uint8_t emoteId) const override final A_CONST;
 
-        void setDirection(const unsigned char type) const override final;
+        void setDirection(const unsigned char type) const override final
+                          A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/npchandler.h b/src/net/tmwa/npchandler.h
index 5275feeb4..dfb2340c4 100644
--- a/src/net/tmwa/npchandler.h
+++ b/src/net/tmwa/npchandler.h
@@ -59,15 +59,17 @@ class NpcHandler final : public Ea::NpcHandler
                      const ItemColor color,
                      const int amount) const override final;
 
-        void buyItems(std::vector<ShopItem*> &items) const override final;
+        void buyItems(std::vector<ShopItem*> &items) const override final
+                      A_CONST;
 
         void sellItem(const BeingId beingId,
                       const int itemId,
                       const int amount) const override final;
 
-        void sellItems(std::vector<ShopItem*> &items) const override final;
+        void sellItems(std::vector<ShopItem*> &items) const override final
+                       A_CONST;
 
-        void completeProgressBar() const override final;
+        void completeProgressBar() const override final A_CONST;
 
         BeingId getNpc(Net::MessageIn &msg,
                        const NpcActionT action) override final;
@@ -75,22 +77,22 @@ class NpcHandler final : public Ea::NpcHandler
         void produceMix(const int nameId,
                         const int materialId1,
                         const int materialId2,
-                        const int materialId3) const override final;
+                        const int materialId3) const override final A_CONST;
 
 #ifdef EATHENA_SUPPORT
         void cooking(const CookingTypeT type,
-                     const int nameId) const override final;
+                     const int nameId) const override final A_CONST;
 #endif
 
-        void repair(const int index) const override final;
+        void repair(const int index) const override final A_CONST;
 
-        void refine(const int index) const override final;
+        void refine(const int index) const override final A_CONST;
 
-        void identify(const int index) const override final;
+        void identify(const int index) const override final A_CONST;
 
-        void selectArrow(const int nameId) const override final;
+        void selectArrow(const int nameId) const override final A_CONST;
 
-        void selectAutoSpell(const int skillId) const override final;
+        void selectAutoSpell(const int skillId) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/partyhandler.h b/src/net/tmwa/partyhandler.h
index 5d4ca18ae..e6ef7e2da 100644
--- a/src/net/tmwa/partyhandler.h
+++ b/src/net/tmwa/partyhandler.h
@@ -55,9 +55,10 @@ class PartyHandler final : public Ea::PartyHandler
 
         void setShareItems(const PartyShareT share) const override final;
 
-        void changeLeader(const std::string &name) const override final;
+        void changeLeader(const std::string &name) const override final
+                          A_CONST;
 
-        void allowInvite(const bool allow) const override final;
+        void allowInvite(const bool allow) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/pethandler.h b/src/net/tmwa/pethandler.h
index 23428edf8..62e54fed9 100644
--- a/src/net/tmwa/pethandler.h
+++ b/src/net/tmwa/pethandler.h
@@ -38,26 +38,26 @@ class PetHandler final : public Net::PetHandler
 
         void spawn(const Being *const being,
                    const int petId,
-                   const int x, const int y) const override final;
+                   const int x, const int y) const override final A_CONST;
 
         void emote(const uint8_t emoteId,
                    const int petId) override final;
 
-        void catchPet(const Being *const being) const override final;
+        void catchPet(const Being *const being) const override final A_CONST;
 
-        void sendPetMessage(const int data) const override final;
+        void sendPetMessage(const int data) const override final A_CONST;
 
-        void setName(const std::string &name) const override final;
+        void setName(const std::string &name) const override final A_CONST;
 
-        void requestStatus() const override final;
+        void requestStatus() const override final A_CONST;
 
-        void feed() const override final;
+        void feed() const override final A_CONST;
 
-        void dropLoot() const override final;
+        void dropLoot() const override final A_CONST;
 
-        void returnToEgg() const override final;
+        void returnToEgg() const override final A_CONST;
 
-        void unequip() const override final;
+        void unequip() const override final A_CONST;
 
         void setDirection(const unsigned char type) const override final;
 
diff --git a/src/net/tmwa/playerhandler.h b/src/net/tmwa/playerhandler.h
index 89dc609c4..72f1d1105 100644
--- a/src/net/tmwa/playerhandler.h
+++ b/src/net/tmwa/playerhandler.h
@@ -49,31 +49,31 @@ class PlayerHandler final : public Ea::PlayerHandler
                             const int direction) const override final;
         void changeAction(const BeingActionT &action)
                           const override final;
-        void requestOnlineList() const override final;
-        void updateStatus(const uint8_t status) const override final;
+        void requestOnlineList() const override final A_CONST;
+        void updateStatus(const uint8_t status) const override final A_CONST;
 
         void respawn() const override final;
 
         void setShortcut(const int idx,
                          const uint8_t type,
                          const int id,
-                         const int level) const override final;
+                         const int level) const override final A_CONST;
 
-        void removeOption() const override final;
+        void removeOption() const override final A_CONST;
 
-        void changeCart(const int type) const override final;
+        void changeCart(const int type) const override final A_CONST;
 
-        void setMemo() const override final;
+        void setMemo() const override final A_CONST;
 
-        void doriDori() const override final;
+        void doriDori() const override final A_CONST;
 
-        void explosionSpirits() const override final;
+        void explosionSpirits() const override final A_CONST;
 
-        void requestPvpInfo() const override final;
+        void requestPvpInfo() const override final A_CONST;
 
-        void revive() const override final;
+        void revive() const override final A_CONST;
 
-        void setViewEquipment(const bool allow) const override final;
+        void setViewEquipment(const bool allow) const override final A_CONST;
 
         void setStat(Net::MessageIn &msg,
                      const int type,
diff --git a/src/net/tmwa/questhandler.h b/src/net/tmwa/questhandler.h
index 60577bf0a..4e547bf29 100644
--- a/src/net/tmwa/questhandler.h
+++ b/src/net/tmwa/questhandler.h
@@ -34,7 +34,8 @@ class QuestHandler final : public Net::QuestHandler
         A_DELETE_COPY(QuestHandler)
 
         void setQeustActiveState(const int questId,
-                                 const bool active) const override final;
+                                 const bool active) const override final
+                                 A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/searchstorehandler.h b/src/net/tmwa/searchstorehandler.h
index 183d1084a..2a1ab764f 100644
--- a/src/net/tmwa/searchstorehandler.h
+++ b/src/net/tmwa/searchstorehandler.h
@@ -37,15 +37,15 @@ class SearchStoreHandler final : public Net::SearchStoreHandler
         void search(const StoreSearchTypeT type,
                     const int minPrice,
                     const int maxPrice,
-                    const int itemId) const override final;
+                    const int itemId) const override final A_CONST;
 
-        void nextPage() const override final;
+        void nextPage() const override final A_CONST;
 
-        void close() const override final;
+        void close() const override final A_CONST;
 
         void select(const int accountId,
                     const int storeId,
-                    const int itemId) const override final;
+                    const int itemId) const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/serverfeatures.h b/src/net/tmwa/serverfeatures.h
index afddb4c13..cdf6eb6de 100644
--- a/src/net/tmwa/serverfeatures.h
+++ b/src/net/tmwa/serverfeatures.h
@@ -34,95 +34,95 @@ class ServerFeatures final : public Net::ServerFeatures
 
         A_DELETE_COPY(ServerFeatures)
 
-        bool haveServerOnlineList() const override final;
+        bool haveServerOnlineList() const override final A_CONST;
 
-        bool haveOnlineList() const override final;
+        bool haveOnlineList() const override final A_CONST;
 
-        bool havePartyNickInvite() const override final;
+        bool havePartyNickInvite() const override final A_CONST;
 
-        bool haveChangePartyLeader() const override final;
+        bool haveChangePartyLeader() const override final A_CONST;
 
         bool haveServerHp() const override final;
 
-        bool havePlayerStatusUpdate() const override final;
+        bool havePlayerStatusUpdate() const override final A_CONST;
 
-        bool haveBrokenPlayerAttackDistance() const override final;
+        bool haveBrokenPlayerAttackDistance() const override final A_CONST;
 
         bool haveNativeGuilds() const override final;
 
         bool haveIncompleteChatMessages() const override final;
 
-        bool haveRaceSelection() const override final;
+        bool haveRaceSelection() const override final A_CONST;
 
-        bool haveLookSelection() const override final;
+        bool haveLookSelection() const override final A_CONST;
 
-        bool haveChatChannels() const override final;
+        bool haveChatChannels() const override final A_CONST;
 
         bool haveServerIgnore() const override final;
 
         bool haveMove3() const override final;
 
-        bool haveItemColors() const override final;
+        bool haveItemColors() const override final A_CONST;
 
-        bool haveAccountOtherGender() const override final;
+        bool haveAccountOtherGender() const override final A_CONST;
 
         bool haveCharOtherGender() const override final;
 
         bool haveMonsterAttackRange() const override final;
 
-        bool haveMonsterName() const override final;
+        bool haveMonsterName() const override final A_CONST;
 
-        bool haveEmailOnRegister() const override final;
+        bool haveEmailOnRegister() const override final A_CONST;
 
-        bool haveEmailOnDelete() const override final;
+        bool haveEmailOnDelete() const override final A_CONST;
 
-        bool haveEightDirections() const override final;
+        bool haveEightDirections() const override final A_CONST;
 
-        bool haveCharRename() const override final;
+        bool haveCharRename() const override final A_CONST;
 
-        bool haveBankApi() const override final;
+        bool haveBankApi() const override final A_CONST;
 
-        bool haveServerVersion() const override final;
+        bool haveServerVersion() const override final A_CONST;
 
-        bool haveMapServerVersion() const override final;
+        bool haveMapServerVersion() const override final A_CONST;
 
         bool haveNpcGender() const override final;
 
-        bool haveJoinChannel() const override final;
+        bool haveJoinChannel() const override final A_CONST;
 
-        bool haveNpcWhispers() const override final;
+        bool haveNpcWhispers() const override final A_CONST;
 
         bool haveCreateCharGender() const override final;
 
-        bool haveAttackDirections() const override final;
+        bool haveAttackDirections() const override final A_CONST;
 
-        bool haveVending() const override final;
+        bool haveVending() const override final A_CONST;
 
-        bool haveCart() const override final;
+        bool haveCart() const override final A_CONST;
 
-        bool haveTalkPet() const override final;
+        bool haveTalkPet() const override final A_CONST;
 
-        bool haveMovePet() const override final;
+        bool haveMovePet() const override final A_CONST;
 
-        bool haveServerWarpNames() const override final;
+        bool haveServerWarpNames() const override final A_CONST;
 
-        bool haveExpPacket() const override final;
+        bool haveExpPacket() const override final A_CONST;
 
-        bool haveMute() const override final;
+        bool haveMute() const override final A_CONST;
 
-        bool haveChangePassword() const override final;
+        bool haveChangePassword() const override final A_CONST;
 
         bool haveTeamId() const override final;
 
         bool haveNewGuild() const override final;
 
-        bool haveAdvancedSprites() const override final;
+        bool haveAdvancedSprites() const override final A_CONST;
 
-        bool haveExtendedRiding() const override final;
+        bool haveExtendedRiding() const override final A_CONST;
 
-        bool haveAdvancedBuySell() const override final;
+        bool haveAdvancedBuySell() const override final A_CONST;
 
-        bool haveSlide() const override final;
+        bool haveSlide() const override final A_CONST;
 };
 
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/vendinghandler.h b/src/net/tmwa/vendinghandler.h
index 36b6031df..1e0fdd0bb 100644
--- a/src/net/tmwa/vendinghandler.h
+++ b/src/net/tmwa/vendinghandler.h
@@ -35,22 +35,23 @@ class VendingHandler final : public Net::VendingHandler
 
         A_DELETE_COPY(VendingHandler)
 
-        void close() const override final;
+        void close() const override final A_CONST;
 
-        void open(const Being *const being) const override final;
+        void open(const Being *const being) const override final A_CONST;
 
         void buy(const Being *const being,
                  const int index,
-                 const int amount) const override final;
+                 const int amount) const override final A_CONST;
 
         void buy2(const Being *const being,
                   const int vendId,
                   const int index,
-                  const int amount) const override final;
+                  const int amount) const override final A_CONST;
 
         void createShop(const std::string &name,
                         const bool flag,
-                        std::vector<ShopItem*> &items) const override final;
+                        std::vector<ShopItem*> &items) const override final
+                        A_CONST;
 };
 
 }  // namespace TmwAthena