Fix more gcc 4.7 warnings.

16 files changed, 62 insertions, 61 deletions

diff --git a/src/net/download.cpp b/src/net/download.cpp
index dcce218a9..5141c022e 100644
--- a/src/net/download.cpp
+++ b/src/net/download.cpp
@@ -72,11 +72,11 @@ Download::~Download()
     if (mHeaders)
         curl_slist_free_all(mHeaders);
 
-    mHeaders = 0;
+    mHeaders = nullptr;
     int status;
     if (mThread && SDL_GetThreadID(mThread))
         SDL_WaitThread(mThread, &status);
-    mThread = 0;
+    mThread = nullptr;
     free(mError);
 }
 
@@ -281,7 +281,7 @@ int Download::downloadThread(void *ptr)
             }
 
             curl_easy_cleanup(d->mCurl);
-            d->mCurl = 0;
+            d->mCurl = nullptr;
 
             if (!d->mOptions.memoryWrite)
             {
@@ -329,7 +329,7 @@ int Download::downloadThread(void *ptr)
         if (d->mCurl)
         {
             curl_easy_cleanup(d->mCurl);
-            d->mCurl = 0;
+            d->mCurl = nullptr;
         }
 
         if (d->mOptions.cancel)
diff --git a/src/net/ea/beinghandler.cpp b/src/net/ea/beinghandler.cpp
index 8fca76353..5c3c694b3 100644
--- a/src/net/ea/beinghandler.cpp
+++ b/src/net/ea/beinghandler.cpp
@@ -67,7 +67,7 @@ BeingHandler::BeingHandler(bool enableSync) :
 Being *BeingHandler::createBeing(int id, short job)
 {
     if (!actorSpriteManager)
-        return 0;
+        return nullptr;
 
     ActorSprite::Type type = ActorSprite::UNKNOWN;
     if (job <= 25 || (job >= 4001 && job <= 4049))
@@ -143,7 +143,7 @@ void BeingHandler::processBeingVisibleOrMove(Net::MessageIn &msg, bool visible)
     {
         actorSpriteManager->destroy(dstBeing);
         actorSpriteManager->erase(dstBeing);
-        dstBeing = 0;
+        dstBeing = nullptr;
     }
 
     if (!dstBeing)
diff --git a/src/net/ea/buysellhandler.cpp b/src/net/ea/buysellhandler.cpp
index f38d17a59..28584d97f 100644
--- a/src/net/ea/buysellhandler.cpp
+++ b/src/net/ea/buysellhandler.cpp
@@ -51,7 +51,7 @@ namespace Ea
 
 BuySellHandler::BuySellHandler() :
     mNpcId(0),
-    mBuyDialog(0)
+    mBuyDialog(nullptr)
 {
 }
 
diff --git a/src/net/ea/charserverhandler.cpp b/src/net/ea/charserverhandler.cpp
index 08c9a43c8..0c01959f2 100644
--- a/src/net/ea/charserverhandler.cpp
+++ b/src/net/ea/charserverhandler.cpp
@@ -124,7 +124,7 @@ void CharServerHandler::processCharCreate(Net::MessageIn &msg, bool withColors)
     if (mCharCreateDialog)
     {
         mCharCreateDialog->scheduleDelete();
-        mCharCreateDialog = 0;
+        mCharCreateDialog = nullptr;
     }
 }
 
@@ -160,7 +160,7 @@ void CharServerHandler::processCharDelete(Net::MessageIn &msg A_UNUSED)
 {
     delete mSelectedCharacter;
     mCharacters.remove(mSelectedCharacter);
-    mSelectedCharacter = 0;
+    mSelectedCharacter = nullptr;
     updateCharSelectDialog();
     unlockCharSelectDialog();
     new OkDialog(_("Info"), _("Character deleted."));
diff --git a/src/net/ea/guildhandler.cpp b/src/net/ea/guildhandler.cpp
index 66488d5fb..907fa13db 100644
--- a/src/net/ea/guildhandler.cpp
+++ b/src/net/ea/guildhandler.cpp
@@ -35,8 +35,8 @@
 
 namespace Ea
 {
-GuildTab *guildTab = 0;
-Guild *taGuild = 0;
+GuildTab *guildTab = nullptr;
+Guild *taGuild = nullptr;
 
 GuildHandler::GuildHandler() :
     showBasicInfo(false)
@@ -46,7 +46,7 @@ GuildHandler::GuildHandler() :
 GuildHandler::~GuildHandler()
 {
     delete guildTab;
-    guildTab = 0;
+    guildTab = nullptr;
 }
 
 void GuildHandler::requestAlliance(int guildId A_UNUSED,
@@ -450,7 +450,7 @@ void GuildHandler::processGuildLeave(Net::MessageIn &msg)
         }
         SERVER_NOTICE(_("You have left the guild."))
         delete guildTab;
-        guildTab = 0;
+        guildTab = nullptr;
 
         if (socialWindow && taGuild)
             socialWindow->removeTab(taGuild);
@@ -497,7 +497,7 @@ void GuildHandler::processGuildExpulsion(Net::MessageIn &msg)
         }
         SERVER_NOTICE(_("You was kicked from guild."));
         delete guildTab;
-        guildTab = 0;
+        guildTab = nullptr;
 
         if (socialWindow && taGuild)
             socialWindow->removeTab(taGuild);
@@ -607,7 +607,7 @@ void GuildHandler::processGuildBroken(Net::MessageIn &msg)
 
 void GuildHandler::clear()
 {
-    taGuild = 0;
+    taGuild = nullptr;
 }
 
 } // namespace Ea
diff --git a/src/net/ea/inventoryhandler.cpp b/src/net/ea/inventoryhandler.cpp
index 788b7f0fc..d2a1fb4f0 100644
--- a/src/net/ea/inventoryhandler.cpp
+++ b/src/net/ea/inventoryhandler.cpp
@@ -78,8 +78,8 @@ namespace Ea
 
 InventoryHandler::InventoryHandler()
 {
-    mStorage = 0;
-    mStorageWindow = 0;
+    mStorage = nullptr;
+    mStorageWindow = nullptr;
     mDebugInventory = true;
 }
 
@@ -88,11 +88,11 @@ InventoryHandler::~InventoryHandler()
     if (mStorageWindow)
     {
         mStorageWindow->close();
-        mStorageWindow = 0;
+        mStorageWindow = nullptr;
     }
 
     delete mStorage;
-    mStorage = 0;
+    mStorage = nullptr;
 }
 
 bool InventoryHandler::canSplit(const Item *item A_UNUSED) const
@@ -164,7 +164,7 @@ void InventoryHandler::processPlayerInventory(Net::MessageIn &msg,
     int index, amount, itemId, arrow;
     int cards[4], itemType;
     unsigned char identified;
-    Inventory *inventory = 0;
+    Inventory *inventory = nullptr;
 
     if (player_node)
         inventory = PlayerInfo::getInventory();
@@ -279,7 +279,7 @@ void InventoryHandler::processPlayerInventoryAdd(Net::MessageIn &msg)
     unsigned char identified;
     int floorId;
 
-    Inventory *inventory = 0;
+    Inventory *inventory = nullptr;
     if (player_node)
         inventory = PlayerInfo::getInventory();
 
@@ -345,7 +345,7 @@ void InventoryHandler::processPlayerInventoryAdd(Net::MessageIn &msg)
 void InventoryHandler::processPlayerInventoryRemove(Net::MessageIn &msg)
 {
     int index, amount;
-    Inventory *inventory = 0;
+    Inventory *inventory = nullptr;
     if (player_node)
         inventory = PlayerInfo::getInventory();
 
@@ -367,7 +367,7 @@ void InventoryHandler::processPlayerInventoryRemove(Net::MessageIn &msg)
 void InventoryHandler::processPlayerInventoryUse(Net::MessageIn &msg)
 {
     int index, amount;
-    Inventory *inventory = 0;
+    Inventory *inventory = nullptr;
     if (player_node)
         inventory = PlayerInfo::getInventory();
 
@@ -392,7 +392,7 @@ void InventoryHandler::processPlayerInventoryUse(Net::MessageIn &msg)
 void InventoryHandler::processItemUseResponse(Net::MessageIn &msg)
 {
     int index, amount;
-    Inventory *inventory = 0;
+    Inventory *inventory = nullptr;
     if (player_node)
         inventory = PlayerInfo::getInventory();
 
@@ -499,13 +499,13 @@ void InventoryHandler::processPlayerStorageClose(Net::MessageIn &msg A_UNUSED)
 {
     // Storage access has been closed
     // Storage window deletes itself
-    mStorageWindow = 0;
+    mStorageWindow = nullptr;
 
     if (mStorage)
         mStorage->clear();
 
     delete mStorage;
-    mStorage = 0;
+    mStorage = nullptr;
 }
 
 void InventoryHandler::processPlayerEquipment(Net::MessageIn &msg)
@@ -514,7 +514,7 @@ void InventoryHandler::processPlayerEquipment(Net::MessageIn &msg)
     int number;
     unsigned char identified;
 
-    Inventory *inventory = 0;
+    Inventory *inventory = nullptr;
     if (player_node)
         inventory = PlayerInfo::getInventory();
 
diff --git a/src/net/ea/inventoryhandler.h b/src/net/ea/inventoryhandler.h
index 72b993c4b..d99e34fc6 100644
--- a/src/net/ea/inventoryhandler.h
+++ b/src/net/ea/inventoryhandler.h
@@ -64,7 +64,7 @@ class EquipBackend : public Equipment::Backend
             if (PlayerInfo::getInventory())
                 return PlayerInfo::getInventory()->getItem(invyIndex);
             else
-                return 0;
+                return nullptr;
         }
 
         void clear()
diff --git a/src/net/ea/npchandler.cpp b/src/net/ea/npchandler.cpp
index 9a37ccc26..e8e1014d4 100644
--- a/src/net/ea/npchandler.cpp
+++ b/src/net/ea/npchandler.cpp
@@ -33,7 +33,7 @@ namespace Ea
 {
 
 NpcHandler::NpcHandler() :
-    mDialog(0)
+    mDialog(nullptr)
 {
 }
 
diff --git a/src/net/ea/partyhandler.cpp b/src/net/ea/partyhandler.cpp
index 35cc77fbf..5fa0df29b 100644
--- a/src/net/ea/partyhandler.cpp
+++ b/src/net/ea/partyhandler.cpp
@@ -37,8 +37,8 @@
 namespace Ea
 {
 
-PartyTab *partyTab = 0;
-Party *taParty = 0;
+PartyTab *partyTab = nullptr;
+Party *taParty = nullptr;
 
 PartyHandler::PartyHandler() :
     mShareExp(PARTY_SHARE_UNKNOWN),
@@ -50,7 +50,7 @@ PartyHandler::PartyHandler() :
 PartyHandler::~PartyHandler()
 {
     delete partyTab;
-    partyTab = 0;
+    partyTab = nullptr;
 }
 
 void PartyHandler::join(int partyId A_UNUSED)
@@ -71,7 +71,7 @@ void PartyHandler::reload()
 
 void PartyHandler::clear()
 {
-    taParty = 0;
+    taParty = nullptr;
 }
 
 void PartyHandler::processPartyCreate(Net::MessageIn &msg)
@@ -128,7 +128,7 @@ void PartyHandler::processPartyInfo(Net::MessageIn &msg)
 
         if (Ea::taParty)
         {
-            PartyMember *member = 0;
+            PartyMember *member = nullptr;
             if (oldParty)
             {
                 //member = Ea::taParty->getMember(id);
@@ -314,7 +314,7 @@ void PartyHandler::processPartySettings(Net::MessageIn &msg)
 void PartyHandler::processPartyMove(Net::MessageIn &msg)
 {
     int id = msg.readInt32();    // id
-    PartyMember *m = 0;
+    PartyMember *m = nullptr;
     if (Ea::taParty)
         m = Ea::taParty->getMember(id);
     if (m)
@@ -356,7 +356,7 @@ void PartyHandler::processPartyLeave(Net::MessageIn &msg)
         }
         SERVER_NOTICE(_("You have left the party."))
         delete Ea::partyTab;
-        Ea::partyTab = 0;
+        Ea::partyTab = nullptr;
 
         if (socialWindow && Ea::taParty)
             socialWindow->removeTab(Ea::taParty);
@@ -375,7 +375,7 @@ void PartyHandler::processPartyLeave(Net::MessageIn &msg)
             Being *b = actorSpriteManager->findBeing(id);
             if (b && b->getType() == Being::PLAYER)
             {
-                b->setParty(0);
+                b->setParty(nullptr);
                 b->setPartyName("");
             }
         }
@@ -389,7 +389,7 @@ void PartyHandler::processPartyUpdateHp(Net::MessageIn &msg)
     int id = msg.readInt32();
     int hp = msg.readInt16();
     int maxhp = msg.readInt16();
-    PartyMember *m = 0;
+    PartyMember *m = nullptr;
     if (Ea::taParty)
         m = Ea::taParty->getMember(id);
     if (m)
@@ -410,7 +410,7 @@ void PartyHandler::processPartyUpdateHp(Net::MessageIn &msg)
 void PartyHandler::processPartyUpdateCoords(Net::MessageIn &msg)
 {
     int id = msg.readInt32(); // id
-    PartyMember *m = 0;
+    PartyMember *m = nullptr;
     if (Ea::taParty)
         m = Ea::taParty->getMember(id);
     if (m)
diff --git a/src/net/ea/tradehandler.cpp b/src/net/ea/tradehandler.cpp
index 19aa474e3..5aaa09f91 100644
--- a/src/net/ea/tradehandler.cpp
+++ b/src/net/ea/tradehandler.cpp
@@ -53,7 +53,7 @@ namespace
     {
         void action(const gcn::ActionEvent &event)
         {
-            confirmDlg = 0;
+            confirmDlg = nullptr;
             if (event.getId() == "ignore")
                 player_relations.ignoreTrade(tradePartnerName);
             Net::getTradeHandler()->respond(event.getId() == "yes");
@@ -66,7 +66,7 @@ namespace Ea
 
 TradeHandler::TradeHandler()
 {
-    confirmDlg = 0;
+    confirmDlg = nullptr;
 }
 
 void TradeHandler::removeItem(int slotNum A_UNUSED, int amount A_UNUSED)
@@ -204,7 +204,7 @@ void TradeHandler::processTradeItemAddResponse(Net::MessageIn &msg)
 {
     // Trade: New Item add response (was 0x00ea, now 01b1)
     const int index = msg.readInt16() - INVENTORY_OFFSET;
-    Item *item = 0;
+    Item *item = nullptr;
     if (PlayerInfo::getInventory())
         item = PlayerInfo::getInventory()->getItem(index);
 
diff --git a/src/net/messageout.cpp b/src/net/messageout.cpp
index f18f65a93..b1e0c2295 100644
--- a/src/net/messageout.cpp
+++ b/src/net/messageout.cpp
@@ -37,7 +37,7 @@ namespace Net
 {
 
 MessageOut::MessageOut(short id A_UNUSED):
-    mData(0),
+    mData(nullptr),
     mDataSize(0),
     mPos(0)
 {
diff --git a/src/net/tmwa/charserverhandler.cpp b/src/net/tmwa/charserverhandler.cpp
index 03b63aa16..69f7165ec 100644
--- a/src/net/tmwa/charserverhandler.cpp
+++ b/src/net/tmwa/charserverhandler.cpp
@@ -123,7 +123,7 @@ void CharServerHandler::handleMessage(Net::MessageIn &msg)
             player_node = mSelectedCharacter->dummy;
             PlayerInfo::setBackend(mSelectedCharacter->data);
 
-            mSelectedCharacter->dummy = 0;
+            mSelectedCharacter->dummy = nullptr;
 
             delete_all(mCharacters);
             mCharacters.clear();
@@ -151,7 +151,7 @@ void CharServerHandler::handleMessage(Net::MessageIn &msg)
             if (player_node)
             {
                 player_node->setTileCoords(x, y);
-                player_node->setMap(0);
+                player_node->setMap(nullptr);
             }
         }
         break;
@@ -271,7 +271,7 @@ void CharServerHandler::chooseCharacter(Net::Character *character)
         return;
 
     mSelectedCharacter = character;
-    mCharSelectDialog = 0;
+    mCharSelectDialog = nullptr;
 
     MessageOut outMsg(CMSG_CHAR_SELECT);
     outMsg.writeInt8(static_cast<unsigned char>(mSelectedCharacter->slot));
diff --git a/src/net/tmwa/chathandler.cpp b/src/net/tmwa/chathandler.cpp
index fe6592d93..5af248e5c 100644
--- a/src/net/tmwa/chathandler.cpp
+++ b/src/net/tmwa/chathandler.cpp
@@ -145,7 +145,7 @@ void ChatHandler::sendRaw(const std::string &args)
 {
     std::string line = args;
     std::string str;
-    MessageOut *outMsg = 0;
+    MessageOut *outMsg = nullptr;
 
     if (line == "")
         return;
diff --git a/src/net/tmwa/generalhandler.cpp b/src/net/tmwa/generalhandler.cpp
index 0a9541477..293986bde 100644
--- a/src/net/tmwa/generalhandler.cpp
+++ b/src/net/tmwa/generalhandler.cpp
@@ -120,7 +120,7 @@ GeneralHandler::GeneralHandler():
 GeneralHandler::~GeneralHandler()
 {
     delete mNetwork;
-    mNetwork = 0;
+    mNetwork = nullptr;
 }
 
 void GeneralHandler::handleMessage(Net::MessageIn &msg)
@@ -294,10 +294,10 @@ void GeneralHandler::processEvent(Mana::Channels channel,
             }
 
             delete Ea::guildTab;
-            Ea::guildTab = 0;
+            Ea::guildTab = nullptr;
 
             delete Ea::partyTab;
-            Ea::partyTab = 0;
+            Ea::partyTab = nullptr;
         }
     }
 }
diff --git a/src/net/tmwa/network.cpp b/src/net/tmwa/network.cpp
index 6f26035be..3181ec898 100644
--- a/src/net/tmwa/network.cpp
+++ b/src/net/tmwa/network.cpp
@@ -104,16 +104,17 @@ int networkThread(void *data)
     return 0;
 }
 
-Network *Network::mInstance = 0;
+Network *Network::mInstance = nullptr;
 
 Network::Network() :
-    mSocket(0),
+    mSocket(nullptr),
     mInBuffer(new char[BUFFER_SIZE]),
     mOutBuffer(new char[BUFFER_SIZE]),
-    mInSize(0), mOutSize(0),
+    mInSize(0),
+    mOutSize(0),
     mToSkip(0),
     mState(IDLE),
-    mWorkerThread(0)
+    mWorkerThread(nullptr)
 {
     SDLNet_Init();
 
@@ -129,8 +130,8 @@ Network::~Network()
         disconnect();
 
     SDL_DestroyMutex(mMutex);
-    mMutex = 0;
-    mInstance = 0;
+    mMutex = nullptr;
+    mInstance = nullptr;
 
     delete[] mInBuffer;
     delete[] mOutBuffer;
@@ -189,7 +190,7 @@ void Network::disconnect()
     {
         // need call SDLNet_TCP_DelSocket?
         SDLNet_TCP_Close(mSocket);
-        mSocket = 0;
+        mSocket = nullptr;
     }
 }
 
@@ -212,7 +213,7 @@ void Network::unregisterHandler(MessageHandler *handler)
     for (const Uint16 *i = handler->handledMessages; *i; ++i)
         mMessageHandlers.erase(*i);
 
-    handler->setNetwork(0);
+    handler->setNetwork(nullptr);
 }
 
 void Network::clearHandlers()
@@ -221,7 +222,7 @@ void Network::clearHandlers()
     for (i = mMessageHandlers.begin(); i != mMessageHandlers.end(); ++i)
     {
         if (i->second)
-            i->second->setNetwork(0);
+            i->second->setNetwork(nullptr);
     }
     mMessageHandlers.clear();
 }
diff --git a/src/net/tmwa/npchandler.cpp b/src/net/tmwa/npchandler.cpp
index 1c2654087..6b6ffcbb6 100644
--- a/src/net/tmwa/npchandler.cpp
+++ b/src/net/tmwa/npchandler.cpp
@@ -92,7 +92,7 @@ void NpcHandler::handleMessage(Net::MessageIn &msg)
             break;
     }
 
-    mDialog = 0;
+    mDialog = nullptr;
 }
 
 void NpcHandler::talk(int npcId)
@@ -195,7 +195,7 @@ int NpcHandler::getNpc(Net::MessageIn &msg, bool haveLength)
     const int npcId = msg.readInt32();
 
     NpcDialogs::const_iterator diag = mNpcDialogs.find(npcId);
-    mDialog = 0;
+    mDialog = nullptr;
 
     if (diag == mNpcDialogs.end())
     {