General code cleanups

* Use default member initializers
* Use range-based for loops
* Avoid needless pointer references for ShopItem::mDuplicates
* Removed type aliases that are only used once or twice
* Removed more unused includes
* Removed some unused functions
* Removed superfluous .c_str()
* Rely on default copy and assignment operators for Vector class
* Use std::unique_ptr in some places
* Removed duplicated mPlayerMoney updating in SellDialog
* Removed duplicated Game::handleInput call
* Removed unused SDLInput::mMouseInWindow
* Removed remnant of manual widget positioning in HelpWindow
* Removed superfluous initialization of static pointers

71 files changed, 250 insertions, 546 deletions

diff --git a/src/client.cpp b/src/client.cpp
index 18d95ac8..1348112d 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -252,7 +252,7 @@ Client::Client(const Options &options):
 
     if (!resman->setWriteDir(mLocalDataDir))
     {
-        logger->error(strprintf("%s couldn't be set as home directory! "
+        logger->error(strprintf("%s couldn't be set as write directory! "
                                 "Exiting.", mLocalDataDir.c_str()));
     }
 
@@ -505,9 +505,6 @@ int Client::exec()
                     mState = STATE_EXIT;
                     break;
 
-                case SDL_KEYDOWN:
-                    break;
-
                 case SDL_WINDOWEVENT:
                     switch (event.window.event) {
                     case SDL_WINDOWEVENT_SIZE_CHANGED:
@@ -663,8 +660,7 @@ int Client::exec()
                     // lower than the default value
                     Theme::instance()->setMinimumOpacity(0.8f);
 
-                    if (mOptions.username.empty()
-                            || mOptions.password.empty())
+                    if (mOptions.username.empty() || mOptions.password.empty())
                     {
                         mCurrentDialog = new LoginDialog(&loginData);
                     }
@@ -701,7 +697,7 @@ int Client::exec()
                         }
                         else
                         {
-                            mCurrentDialog = new WorldSelectDialog(worlds);
+                            mCurrentDialog = new WorldSelectDialog(std::move(worlds));
                             if (mOptions.chooseDefault)
                             {
                                 ((WorldSelectDialog*) mCurrentDialog)->action(
diff --git a/src/compoundsprite.cpp b/src/compoundsprite.cpp
index 68cdc095..f2621384 100644
--- a/src/compoundsprite.cpp
+++ b/src/compoundsprite.cpp
@@ -247,21 +247,24 @@ void CompoundSprite::redraw() const
 #endif
 
     mWidth = mHeight = mOffsetX = mOffsetY = 0;
-    Sprite *s = nullptr;
-    SpriteConstIterator it, it_end = mSprites.end();
 
     int posX = 0;
     int posY = 0;
 
-    for (it = mSprites.begin(); it != it_end; ++it)
+    for (auto sprite : mSprites)
     {
-        s = *it;
-
-        if (s)
-        {
-            updateValues(mWidth, posX, s->getWidth() / 2, s->getWidth() / 2, s->getOffsetX());
-            updateValues(mHeight, posY, s->getHeight(), 0, s->getOffsetY());
-        }
+        if (!sprite)
+            continue;
+
+        updateValues(mWidth, posX,
+                     sprite->getWidth() / 2,
+                     sprite->getWidth() / 2,
+                     sprite->getOffsetX());
+
+        updateValues(mHeight, posY,
+                     sprite->getHeight(),
+                     0,
+                     sprite->getOffsetY());
     }
 
     if (mWidth == 0 && mHeight == 0)
@@ -296,12 +299,14 @@ void CompoundSprite::redraw() const
     graphics->setTarget(surface);
     graphics->_beginDraw();
 
-    for (it = mSprites.begin(); it != it_end; ++it)
+    for (auto sprite : mSprites)
     {
-        s = *it;
+        if (!sprite)
+            continue;
 
-        if (s)
-            s->draw(graphics, posX - s->getWidth() / 2, posY - s->getHeight());
+        sprite->draw(graphics,
+                     posX - sprite->getWidth() / 2,
+                     posY - sprite->getHeight());
     }
 
     // Uncomment to see buffer sizes
@@ -316,7 +321,7 @@ void CompoundSprite::redraw() const
                                             32, rmask, gmask, bmask, amask);
 
     SDL_SetAlpha(surface, 0, SDL_ALPHA_OPAQUE);
-    SDL_BlitSurface(surface, NULL, surfaceA, NULL);
+    SDL_BlitSurface(surface, nullptr, surfaceA, nullptr);
 
     delete mImage;
     delete mAlphaImage;
diff --git a/src/compoundsprite.h b/src/compoundsprite.h
index 7c91eb73..a309ad3d 100644
--- a/src/compoundsprite.h
+++ b/src/compoundsprite.h
@@ -90,9 +90,6 @@ public:
     { mNeedsRedraw = true; }
 
 private:
-    using SpriteIterator = std::vector<Sprite *>::iterator;
-    using SpriteConstIterator = std::vector<Sprite *>::const_iterator;
-
     void redraw() const;
 
     mutable Image *mImage = nullptr;
diff --git a/src/configuration.cpp b/src/configuration.cpp
index ca1f4438..7d2b496f 100644
--- a/src/configuration.cpp
+++ b/src/configuration.cpp
@@ -47,48 +47,41 @@ std::string ConfigurationObject::getValue(const std::string &key,
                                           const std::string &deflt) const
 {
     auto iter = mOptions.find(key);
-    return ((iter != mOptions.end()) ? iter->second : deflt);
+    return iter != mOptions.end() ? iter->second : deflt;
 }
 
 int ConfigurationObject::getValue(const std::string &key, int deflt) const
 {
     auto iter = mOptions.find(key);
-    return (iter != mOptions.end()) ? atoi(iter->second.c_str()) : deflt;
+    return iter != mOptions.end() ? atoi(iter->second.c_str()) : deflt;
 }
 
 unsigned ConfigurationObject::getValue(const std::string &key,
                                        unsigned deflt) const
 {
     auto iter = mOptions.find(key);
-    return (iter != mOptions.end()) ? atol(iter->second.c_str()) : deflt;
+    return iter != mOptions.end() ? atol(iter->second.c_str()) : deflt;
 }
 
 double ConfigurationObject::getValue(const std::string &key,
                                      double deflt) const
 {
     auto iter = mOptions.find(key);
-    return (iter != mOptions.end()) ? atof(iter->second.c_str()) : deflt;
+    return iter != mOptions.end() ? atof(iter->second.c_str()) : deflt;
 }
 
-void ConfigurationObject::deleteList(const std::string &name)
+void ConfigurationObject::deleteList(std::list<ConfigurationObject*> &list)
 {
-    for (ConfigurationList::const_iterator
-         it = mContainerOptions[name].begin();
-         it != mContainerOptions[name].end(); it++)
-    {
-        delete *it;
-    }
+    for (auto element : list)
+        delete element;
 
-    mContainerOptions[name].clear();
+    list.clear();
 }
 
 void ConfigurationObject::clear()
 {
-    for (std::map<std::string, ConfigurationList>::const_iterator
-         it = mContainerOptions.begin(); it != mContainerOptions.end(); it++)
-    {
-        deleteList(it->first);
-    }
+    for (auto &[_, list] : mContainerOptions)
+        deleteList(list);
 
     mOptions.clear();
 }
@@ -150,7 +143,7 @@ int Configuration::getIntValue(const std::string &key) const
     auto iter = mOptions.find(key);
     if (iter == mOptions.end())
     {
-        VariableData* vd = getDefault(key, VariableData::DATA_INT);
+        VariableData *vd = getDefault(key, VariableData::DATA_INT);
         if (vd)
             defaultValue = ((IntData*)vd)->getData();
     }
@@ -289,18 +282,15 @@ void ConfigurationObject::writeToXML(xmlTextWriterPtr writer)
         xmlTextWriterEndElement(writer);
     }
 
-    for (std::map<std::string, ConfigurationList>::const_iterator
-        it = mContainerOptions.begin(); it != mContainerOptions.end(); it++)
+    for (auto &[name, list] : mContainerOptions)
     {
-        const char *name = it->first.c_str();
-
         xmlTextWriterStartElement(writer, BAD_CAST "list");
-        xmlTextWriterWriteAttribute(writer, BAD_CAST "name", BAD_CAST name);
+        xmlTextWriterWriteAttribute(writer, BAD_CAST "name", BAD_CAST name.c_str());
 
         // Recurse on all elements
-        for (auto element : it->second)
+        for (auto element : list)
         {
-            xmlTextWriterStartElement(writer, BAD_CAST name);
+            xmlTextWriterStartElement(writer, BAD_CAST name.c_str());
             element->writeToXML(writer);
             xmlTextWriterEndElement(writer);
         }
@@ -319,10 +309,9 @@ void Configuration::write()
                     mConfigPath.c_str());
         return;
     }
-    else
-    {
-        fclose(testFile);
-    }
+
+    fclose(testFile);
+
 
     xmlTextWriterPtr writer = xmlNewTextWriterFilename(mConfigPath.c_str(), 0);
 
diff --git a/src/configuration.h b/src/configuration.h
index 5864829e..81806ad9 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -65,7 +65,7 @@ class ConfigurationListManager
         virtual CONT readConfigItem(ConfigurationObject *obj,
                                     CONT container) = 0;
 
-        virtual ~ConfigurationListManager() {}
+        virtual ~ConfigurationListManager() = default;
 };
 
 /**
@@ -127,8 +127,8 @@ class ConfigurationObject
                      ConfigurationListManager<T, CONT> *manager)
         {
             auto *nextobj = new ConfigurationObject;
-            deleteList(name);
-            ConfigurationList *list = &(mContainerOptions[name]);
+            std::list<ConfigurationObject *> &list = mContainerOptions[name];
+            deleteList(list);
 
             for (IT it = begin; it != end; it++)
             {
@@ -137,7 +137,7 @@ class ConfigurationObject
                 { // wrote something
                     assert (wrobj == nextobj);
                     nextobj = new ConfigurationObject;
-                    list->push_back(wrobj);
+                    list.push_back(wrobj);
                 }
                 else
                 {
@@ -174,13 +174,10 @@ class ConfigurationObject
         virtual void initFromXML(xmlNodePtr node);
         virtual void writeToXML(xmlTextWriterPtr writer);
 
-        void deleteList(const std::string &name);
+        void deleteList(std::list<ConfigurationObject *> &list);
 
-        using Options = std::map<std::string, std::string>;
-        Options mOptions;
-
-        using ConfigurationList = std::list<ConfigurationObject *>;
-        std::map<std::string, ConfigurationList> mContainerOptions;
+        std::map<std::string, std::string> mOptions;
+        std::map<std::string, std::list<ConfigurationObject *>> mContainerOptions;
 };
 
 /**
diff --git a/src/event.cpp b/src/event.cpp
index aba2996f..7c9b6f45 100644
--- a/src/event.cpp
+++ b/src/event.cpp
@@ -57,13 +57,6 @@ int Event::getInt(const std::string &key) const
     return static_cast<IntData *>(it->second)->getData();
 }
 
-bool Event::hasInt(const std::string &key) const
-{
-    auto it = mData.find(key);
-    return !(it == mData.end()
-             || it->second->getType() != VariableData::DATA_INT);
-}
-
 // Strings
 
 void Event::setString(const std::string &key, const std::string &value)
@@ -87,13 +80,6 @@ const std::string &Event::getString(const std::string &key) const
 }
 
 
-bool Event::hasString(const std::string &key) const
-{
-    auto it = mData.find(key);
-    return !(it == mData.end()
-             || it->second->getType() != VariableData::DATA_STRING);
-}
-
 // Floats
 
 void Event::setFloat(const std::string &key, double value)
@@ -116,13 +102,6 @@ double Event::getFloat(const std::string &key) const
     return static_cast<FloatData *>(it->second)->getData();
 }
 
-bool Event::hasFloat(const std::string &key) const
-{
-    auto it = mData.find(key);
-    return !(it == mData.end()
-             || it->second->getType() != VariableData::DATA_FLOAT);
-}
-
 // Booleans
 
 void Event::setBool(const std::string &key, bool value)
@@ -145,13 +124,6 @@ bool Event::getBool(const std::string &key) const
     return static_cast<BoolData *>(it->second)->getData();
 }
 
-bool Event::hasBool(const std::string &key) const
-{
-    auto it = mData.find(key);
-    return !(it == mData.end()
-             || it->second->getType() != VariableData::DATA_BOOL);
-}
-
 // Items
 
 void Event::setItem(const std::string &key, Item *value)
@@ -174,13 +146,6 @@ Item *Event::getItem(const std::string &key) const
     return static_cast<ItemData *>(it->second)->getData();
 }
 
-bool Event::hasItem(const std::string &key) const
-{
-    auto it = mData.find(key);
-    return !(it == mData.end()
-             || it->second->getType() != VariableData::DATA_ITEM);
-}
-
 // Actors
 
 void Event::setActor(const std::string &key, ActorSprite *value)
@@ -203,13 +168,6 @@ ActorSprite *Event::getActor(const std::string &key) const
     return static_cast<ActorData *>(it->second)->getData();
 }
 
-bool Event::hasActor(const std::string &key) const
-{
-    auto it = mData.find(key);
-    return !(it == mData.end()
-             || it->second->getType() != VariableData::DATA_ACTOR);
-}
-
 // Triggers
 
 void Event::trigger(Channel channel, const Event &event)
diff --git a/src/event.h b/src/event.h
index 0fc0c1ef..5f053724 100644
--- a/src/event.h
+++ b/src/event.h
@@ -36,10 +36,7 @@ enum BadEvent {
 };
 
 class EventListener;
-
-using ListenerSet = std::set<EventListener *>;
 class VariableData;
-using VariableMap = std::map<std::string, VariableData *>;
 
 class Event
 {
@@ -148,11 +145,6 @@ public:
     int getInt(const std::string &key, int defaultValue) const
     { try { return getInt(key); } catch (BadEvent) { return defaultValue; }}
 
-    /**
-     * Returns true if the given variable exists and is an integer.
-     */
-    bool hasInt(const std::string &key) const;
-
 // Strings
 
     /**
@@ -173,11 +165,6 @@ public:
                           const std::string &defaultValue) const
     { try { return getString(key); } catch (BadEvent) { return defaultValue; }}
 
-    /**
-     * Returns true if the given variable exists and is a string.
-     */
-    bool hasString(const std::string &key) const;
-
 // Floats
 
     /**
@@ -198,11 +185,6 @@ public:
     double getFloat(const std::string &key, float defaultValue) const
     { try { return getFloat(key); } catch (BadEvent) { return defaultValue; }}
 
-    /**
-     * Returns true if the given variable exists and is a floating-point.
-     */
-    bool hasFloat(const std::string &key) const;
-
 // Booleans
 
     /**
@@ -222,11 +204,6 @@ public:
     bool getBool(const std::string &key, bool defaultValue) const
     { try { return getBool(key); } catch (BadEvent) { return defaultValue; }}
 
-    /**
-     * Returns true if the given variable exists and is a boolean.
-     */
-    bool hasBool(const std::string &key) const;
-
 // Items
 
     /**
@@ -246,11 +223,6 @@ public:
     Item *getItem(const std::string &key, Item *defaultValue) const
     { try { return getItem(key); } catch (BadEvent) { return defaultValue; }}
 
-    /**
-     * Returns true if the given variable exists and is an Item.
-     */
-    bool hasItem(const std::string &key) const;
-
 // ActorSprites
 
     /**
@@ -271,11 +243,6 @@ public:
                           ActorSprite *defaultValue) const
     { try { return getActor(key); } catch (BadEvent) { return defaultValue; }}
 
-    /**
-     * Returns true if the given variable exists and is an actor.
-     */
-    bool hasActor(const std::string &key) const;
-
 // Triggers
 
     /**
@@ -317,11 +284,11 @@ protected:
     static void remove(EventListener *listener);
 
 private:
-    using ListenMap = std::map<Channel, ListenerSet>;
+    using ListenMap = std::map<Channel, std::set<EventListener *>>;
     static ListenMap mBindings;
 
     Type mType;
-    VariableMap mData;
+    std::map<std::string, VariableData *> mData;
 };
 
 #define SERVER_NOTICE(message) { \
diff --git a/src/game.cpp b/src/game.cpp
index e27e6f5d..b7cc02fe 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -88,11 +88,11 @@
 #include <sstream>
 #include <string>
 
-Joystick *joystick = nullptr;
+Joystick *joystick;
 
-OkDialog *weightNotice = nullptr;
-OkDialog *deathNotice = nullptr;
-QuitDialog *quitDialog = nullptr;
+OkDialog *weightNotice;
+OkDialog *deathNotice;
+QuitDialog *quitDialog;
 
 ChatWindow *chatWindow;
 StatusWindow *statusWindow;
@@ -110,14 +110,14 @@ OutfitWindow *outfitWindow;
 SpecialsWindow *specialsWindow;
 SocialWindow *socialWindow;
 
-ActorSpriteManager *actorSpriteManager = nullptr;
-ChannelManager *channelManager = nullptr;
-CommandHandler *commandHandler = nullptr;
-Particle *particleEngine = nullptr;
-EffectManager *effectManager = nullptr;
-Viewport *viewport = nullptr;                    /**< Viewport on the map. */
+ActorSpriteManager *actorSpriteManager;
+ChannelManager *channelManager;
+CommandHandler *commandHandler;
+Particle *particleEngine;
+EffectManager *effectManager;
+Viewport *viewport;                     /**< Viewport on the map. */
 
-ChatTab *localChatTab = nullptr;
+ChatTab *localChatTab;
 
 /**
  * Initialize every game sub-engines in the right order
@@ -338,8 +338,6 @@ static bool saveScreenshot()
 
 void Game::logic()
 {
-    handleInput();
-
     // Handle all necessary game logic
     ActorSprite::actorLogic();
     actorSpriteManager->logic();
diff --git a/src/gui/chatwindow.cpp b/src/gui/chatwindow.cpp
index 041e08e9..a3d9a1f4 100644
--- a/src/gui/chatwindow.cpp
+++ b/src/gui/chatwindow.cpp
@@ -265,20 +265,14 @@ void ChatWindow::removeWhisper(const std::string &nick)
 
 void ChatWindow::removeAllWhispers()
 {
-    TabMap::iterator iter;
-    std::list<ChatTab*> tabs;
+    // Swap with empty container before deleting, because each tab will try to
+    // remove itself from mWhispers when it gets deleted, possibly invalidating
+    // our iterator.
+    std::map<const std::string, ChatTab *> whispers;
+    mWhispers.swap(whispers);
 
-    for (iter = mWhispers.begin(); iter != mWhispers.end(); ++iter)
-    {
-        tabs.push_back(iter->second);
-    }
-
-    for (auto &tab : tabs)
-    {
+    for (auto &[_, tab] : whispers)
         delete tab;
-    }
-
-    mWhispers.clear();
 }
 
 void ChatWindow::chatInput(const std::string &msg)
@@ -460,11 +454,11 @@ void ChatWindow::whisper(const std::string &nick,
     toLower(playerName);
     toLower(tempNick);
 
-    if (tempNick.compare(playerName) == 0)
+    if (tempNick == playerName)
         return;
 
     ChatTab *tab = nullptr;
-    TabMap::const_iterator i = mWhispers.find(tempNick);
+    auto i = mWhispers.find(tempNick);
 
     if (i != mWhispers.end())
         tab = i->second;
@@ -511,8 +505,7 @@ ChatTab *ChatWindow::addWhisperTab(const std::string &nick, bool switchTo)
     toLower(playerName);
     toLower(tempNick);
 
-    if (mWhispers.find(tempNick) != mWhispers.end()
-        || tempNick.compare(playerName) == 0)
+    if (mWhispers.find(tempNick) != mWhispers.end() || tempNick == playerName)
         return nullptr;
 
     ChatTab *ret = new WhisperTab(nick);
diff --git a/src/gui/chatwindow.h b/src/gui/chatwindow.h
index b3072d4a..9b46d7ad 100644
--- a/src/gui/chatwindow.h
+++ b/src/gui/chatwindow.h
@@ -214,9 +214,8 @@ class ChatWindow : public Window,
         /** Tabbed area for holding each channel. */
         TabbedArea *mChatTabs;
 
-        using TabMap = std::map<const std::string, ChatTab *>;
         /** Manage whisper tabs */
-        TabMap mWhispers;
+        std::map<const std::string, ChatTab *> mWhispers;
 
         bool mReturnToggles; /**< Marks whether <Return> toggles the chat log
                                 or not */
diff --git a/src/gui/confirmdialog.cpp b/src/gui/confirmdialog.cpp
index 4d3f0f02..c0b471c1 100644
--- a/src/gui/confirmdialog.cpp
+++ b/src/gui/confirmdialog.cpp
@@ -21,8 +21,6 @@
 
 #include "gui/confirmdialog.h"
 
-#include "gui/gui.h"
-
 #include "gui/widgets/button.h"
 #include "gui/widgets/textbox.h"
 
diff --git a/src/gui/helpwindow.cpp b/src/gui/helpwindow.cpp
index 3a528f27..1dfc109e 100644
--- a/src/gui/helpwindow.cpp
+++ b/src/gui/helpwindow.cpp
@@ -50,11 +50,6 @@ HelpWindow::HelpWindow():
     mScrollArea = new ScrollArea(mBrowserBox);
     auto *okButton = new Button(_("Close"), "close", this);
 
-    mScrollArea->setDimension(gcn::Rectangle(5, 5, 445,
-                                             335 - okButton->getHeight()));
-    okButton->setPosition(450 - okButton->getWidth(),
-                          345 - okButton->getHeight());
-
     mBrowserBox->setLinkHandler(this);
     mBrowserBox->setFont(monoFont);
 
diff --git a/src/gui/itempopup.cpp b/src/gui/itempopup.cpp
index 30d5c5c4..7790a3c0 100644
--- a/src/gui/itempopup.cpp
+++ b/src/gui/itempopup.cpp
@@ -45,7 +45,7 @@
 
 #define ITEMPOPUP_WRAP_WIDTH 196
 
-static gcn::Color getColorFromItemType(ItemType type)
+static const gcn::Color &getColorFromItemType(ItemType type)
 {
     switch (type)
     {
diff --git a/src/gui/npcdialog.cpp b/src/gui/npcdialog.cpp
index 4efa29eb..8150a01a 100644
--- a/src/gui/npcdialog.cpp
+++ b/src/gui/npcdialog.cpp
@@ -51,8 +51,6 @@
 #define CAPTION_CLOSE _("Close")
 #define CAPTION_SUBMIT _("Submit")
 
-using NpcDialogs = std::map<int, NpcDialog *>;
-
 class NpcEventListener : public EventListener
 {
 public:
@@ -63,7 +61,7 @@ public:
     void removeDialog(int id);
 
 private:
-    NpcDialogs mNpcDialogs;
+    std::map<int, NpcDialog *> mNpcDialogs;
 };
 
 static NpcEventListener *npcListener = nullptr;
diff --git a/src/gui/okdialog.cpp b/src/gui/okdialog.cpp
index b2622d76..5a710890 100644
--- a/src/gui/okdialog.cpp
+++ b/src/gui/okdialog.cpp
@@ -21,8 +21,6 @@
 
 #include "gui/okdialog.h"
 
-#include "gui/gui.h"
-
 #include "gui/widgets/button.h"
 #include "gui/widgets/textbox.h"
 
diff --git a/src/gui/outfitwindow.cpp b/src/gui/outfitwindow.cpp
index 0c37af19..5dc05790 100644
--- a/src/gui/outfitwindow.cpp
+++ b/src/gui/outfitwindow.cpp
@@ -26,21 +26,14 @@
 #include "graphics.h"
 #include "inventory.h"
 #include "item.h"
-#include "log.h"
 #include "playerinfo.h"
 
-#include "gui/chatwindow.h"
-
 #include "gui/widgets/button.h"
 #include "gui/widgets/checkbox.h"
 #include "gui/widgets/label.h"
 #include "gui/widgets/layout.h"
 
-#include "net/inventoryhandler.h"
-#include "net/net.h"
-
 #include "resources/image.h"
-#include "resources/iteminfo.h"
 
 #include "utils/gettext.h"
 #include "utils/stringutils.h"
diff --git a/src/gui/palette.cpp b/src/gui/palette.cpp
index aee78b29..aaa3165c 100644
--- a/src/gui/palette.cpp
+++ b/src/gui/palette.cpp
@@ -50,7 +50,7 @@ const int Palette::RAINBOW_COLOR_COUNT = 7;
 
 Palette::Palette(int size) :
     mRainbowTime(tick_time),
-    mColors(Colors(size))
+    mColors(size)
 {
     mInstances.insert(this);
 }
diff --git a/src/gui/palette.h b/src/gui/palette.h
index 1ea7c467..41378a43 100644
--- a/src/gui/palette.h
+++ b/src/gui/palette.h
@@ -72,9 +72,9 @@ class Palette
          */
         const gcn::Color &getColor(int type, int alpha = 255)
         {
-            gcn::Color *col = &mColors[type].color;
-            col->a = alpha;
-            return *col;
+            gcn::Color &col = mColors[type].color;
+            col.a = alpha;
+            return col;
         }
 
         /**
@@ -163,9 +163,8 @@ class Palette
                         committedColor.b;
             }
         };
-        using Colors = std::vector<ColorElem>;
         /** Vector containing the colors. */
-        Colors mColors;
+        std::vector<ColorElem> mColors;
         std::vector<ColorElem*> mGradVector;
 };
 
diff --git a/src/gui/sdlinput.cpp b/src/gui/sdlinput.cpp
index bcc53ccf..8396418c 100644
--- a/src/gui/sdlinput.cpp
+++ b/src/gui/sdlinput.cpp
@@ -60,9 +60,7 @@
 
 #include <guichan/exception.hpp>
 
-SDLInput::SDLInput()
-{
-}
+SDLInput::SDLInput() = default;
 
 bool SDLInput::isKeyQueueEmpty()
 {
@@ -220,8 +218,6 @@ void SDLInput::pushInput(SDL_Event event)
           if ((event.active.state & SDL_APPMOUSEFOCUS)
               && !event.active.gain)
           {
-              mMouseInWindow = false;
-
               if (!mMouseDown)
               {
                   mouseInput.setX(-1);
@@ -231,12 +227,6 @@ void SDLInput::pushInput(SDL_Event event)
                   mMouseInputQueue.push(mouseInput);
               }
           }
-
-          if ((event.active.state & SDL_APPMOUSEFOCUS)
-              && event.active.gain)
-          {
-              mMouseInWindow = true;
-          }
           break;
 #endif
     } // end switch
diff --git a/src/gui/sdlinput.h b/src/gui/sdlinput.h
index 4fe5be44..a29f17ca 100644
--- a/src/gui/sdlinput.h
+++ b/src/gui/sdlinput.h
@@ -162,18 +162,18 @@ public:
      * only use SDL and plan sticking with SDL you can safely ignore this
      * function as it in the SDL case does nothing.
      */
-    virtual void _pollInput() { }
+    void _pollInput() override { }
 
 
     // Inherited from Input
 
-    virtual bool isKeyQueueEmpty();
+    bool isKeyQueueEmpty() override;
 
-    virtual gcn::KeyInput dequeueKeyInput();
+    gcn::KeyInput dequeueKeyInput() override;
 
-    virtual bool isMouseQueueEmpty();
+    bool isMouseQueueEmpty() override;
 
-    virtual gcn::MouseInput dequeueMouseInput();
+    gcn::MouseInput dequeueMouseInput() override;
 
     bool isTextQueueEmpty() const;
 
@@ -187,7 +187,7 @@ protected:
      * @param button an SDL mouse button.
      * @return a Guichan mouse button.
      */
-    int convertMouseButton(int button);
+    static int convertMouseButton(int button);
 
     /**
      * Converts an SDL event key to a key value.
@@ -196,14 +196,13 @@ protected:
      * @return a key value.
      * @see Key
      */
-    int convertKeyCharacter(SDL_Event event);
+    static int convertKeyCharacter(SDL_Event event);
 
     std::queue<gcn::KeyInput> mKeyInputQueue;
     std::queue<gcn::MouseInput> mMouseInputQueue;
     std::queue<TextInput> mTextInputQueue;
 
     bool mMouseDown = false;
-    bool mMouseInWindow = true;
 };
 
 #endif
diff --git a/src/gui/selldialog.cpp b/src/gui/selldialog.cpp
index ef694f96..5f499982 100644
--- a/src/gui/selldialog.cpp
+++ b/src/gui/selldialog.cpp
@@ -212,8 +212,6 @@ void SellDialog::action(const gcn::ActionEvent &event)
             mAmountItems -= sellCount;
         }
 
-        mPlayerMoney +=
-            mAmountItems * mShopItems->at(selectedItem)->getPrice();
         mAmountItems = 1;
         mSlider->setValue(0);
 
diff --git a/src/gui/serverdialog.h b/src/gui/serverdialog.h
index 4bb201a5..4db36462 100644
--- a/src/gui/serverdialog.h
+++ b/src/gui/serverdialog.h
@@ -73,10 +73,8 @@ class ServersListModel : public gcn::ListModel
         void setVersionString(int index, const std::string &version);
 
     private:
-        using VersionStrings = std::vector<VersionString>;
-
         ServerInfos *mServers;
-        VersionStrings mVersionStrings;
+        std::vector<VersionString> mVersionStrings;
         ServerDialog *mParent;
 };
 
diff --git a/src/gui/setup_video.cpp b/src/gui/setup_video.cpp
index de32fcb1..6f2f0d26 100644
--- a/src/gui/setup_video.cpp
+++ b/src/gui/setup_video.cpp
@@ -131,7 +131,7 @@ public:
 
     /**
      * Returns the index corresponding to the given video resolution
-     * or -1 if not found.
+     * or 0 ("Custom") if not found.
      */
     int getIndexOf(int width, int height) const
     {
diff --git a/src/gui/skilldialog.cpp b/src/gui/skilldialog.cpp
index c43183a2..7639f1d6 100644
--- a/src/gui/skilldialog.cpp
+++ b/src/gui/skilldialog.cpp
@@ -99,8 +99,6 @@ struct SkillInfo
     void draw(Graphics *graphics, int y, int width);
 };
 
-using SkillList = std::vector<SkillInfo *>;
-
 class SkillModel : public gcn::ListModel
 {
 public:
@@ -119,8 +117,8 @@ public:
     { mSkills.push_back(info); }
 
 private:
-    SkillList mSkills;
-    SkillList mVisibleSkills;
+    std::vector<SkillInfo *> mSkills;
+    std::vector<SkillInfo *> mVisibleSkills;
 };
 
 class SkillListBox : public ListBox
diff --git a/src/gui/skilldialog.h b/src/gui/skilldialog.h
index ebf29ff8..e88c279f 100644
--- a/src/gui/skilldialog.h
+++ b/src/gui/skilldialog.h
@@ -75,8 +75,7 @@ class SkillDialog : public Window, public gcn::ActionListener, public EventListe
         bool hasSkills() { return !mSkills.empty(); }
 
     private:
-        using SkillMap = std::map<int, SkillInfo *>;
-        SkillMap mSkills;
+        std::map<int, SkillInfo *> mSkills;
         TabbedArea *mTabs;
         Label *mPointsLabel;
         Button *mIncreaseButton;
diff --git a/src/gui/socialwindow.cpp b/src/gui/socialwindow.cpp
index 96a9c389..00211e02 100644
--- a/src/gui/socialwindow.cpp
+++ b/src/gui/socialwindow.cpp
@@ -48,6 +48,8 @@
 #include "utils/gettext.h"
 #include "utils/stringutils.h"
 
+#include <memory>
+
 class SocialTab : public Tab
 {
 protected:
@@ -79,8 +81,8 @@ protected:
 
     TextDialog *mInviteDialog = nullptr;
     ConfirmDialog *mConfirmDialog = nullptr;
-    ScrollArea *mScroll;
-    AvatarListBox *mList;
+    std::unique_ptr<ScrollArea> mScroll;
+    std::unique_ptr<AvatarListBox> mList;
 };
 
 class GuildTab : public SocialTab, public gcn::ActionListener
@@ -93,21 +95,13 @@ public:
 
         setTabColor(&Theme::getThemeColor(Theme::GUILD));
 
-        mList = new AvatarListBox(guild);
-        mScroll = new ScrollArea(mList);
+        mList = std::make_unique<AvatarListBox>(guild);
+        mScroll = std::make_unique<ScrollArea>(mList.get());
 
         mScroll->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_AUTO);
         mScroll->setVerticalScrollPolicy(gcn::ScrollArea::SHOW_ALWAYS);
     }
 
-    ~GuildTab() override
-    {
-        delete mList;
-        mList = nullptr;
-        delete mScroll;
-        mScroll = nullptr;
-    }
-
     void action(const gcn::ActionEvent &event) override
     {
         if (event.getId() == "do invite")
@@ -176,21 +170,13 @@ public:
 
         setTabColor(&Theme::getThemeColor(Theme::PARTY_SOCIAL_TAB));
 
-        mList = new AvatarListBox(party);
-        mScroll = new ScrollArea(mList);
+        mList = std::make_unique<AvatarListBox>(party);
+        mScroll = std::make_unique<ScrollArea>(mList.get());
 
         mScroll->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_AUTO);
         mScroll->setVerticalScrollPolicy(gcn::ScrollArea::SHOW_AUTO);
     }
 
-    ~PartyTab() override
-    {
-        delete mList;
-        mList = nullptr;
-        delete mScroll;
-        mScroll = nullptr;
-    }
-
     void action(const gcn::ActionEvent &event) override
     {
         if (event.getId() == "do invite")
@@ -302,10 +288,7 @@ private:
 };
 
 SocialWindow::SocialWindow() :
-    Window(_("Social")),
-    mGuildInvited(0),
-    mGuildAcceptDialog(nullptr),
-    mPartyAcceptDialog(nullptr)
+    Window(_("Social"))
 {
     setWindowName("Social");
     setVisible(false);
@@ -373,7 +356,7 @@ bool SocialWindow::addTab(Guild *guild)
     auto *tab = new GuildTab(guild);
     mGuilds[guild] = tab;
 
-    mTabs->addTab(tab, tab->mScroll);
+    mTabs->addTab(tab, tab->mScroll.get());
 
     updateButtons();
 
@@ -403,7 +386,7 @@ bool SocialWindow::addTab(Party *party)
     auto *tab = new PartyTab(party);
     mParties[party] = tab;
 
-    mTabs->addTab(tab, tab->mScroll);
+    mTabs->addTab(tab, tab->mScroll.get());
 
     updateButtons();
 
@@ -490,7 +473,8 @@ void SocialWindow::action(const gcn::ActionEvent &event)
                             "shorter name."));
             return;
         }
-        else if (!name.empty())
+
+        if (!name.empty())
         {
             Net::getGuildHandler()->create(name);
             SERVER_NOTICE(strprintf(_("Creating guild called %s."),
@@ -513,7 +497,8 @@ void SocialWindow::action(const gcn::ActionEvent &event)
                             "shorter name."));
             return;
         }
-        else if (!name.empty())
+
+        if (!name.empty())
         {
             Net::getPartyHandler()->create(name);
             SERVER_NOTICE(strprintf(_("Creating party called %s."),
diff --git a/src/gui/socialwindow.h b/src/gui/socialwindow.h
index 7ffcec78..8575f3b2 100644
--- a/src/gui/socialwindow.h
+++ b/src/gui/socialwindow.h
@@ -64,7 +64,7 @@ public:
      */
     void action(const gcn::ActionEvent &event) override;
 
-    void showGuildInvite(const std::string &guildName, const int guildId,
+    void showGuildInvite(const std::string &guildName, int guildId,
                          const std::string &inviterName);
 
     void showGuildCreate();
@@ -79,19 +79,16 @@ protected:
 
     void updateButtons();
 
-    int mGuildInvited;
-    ConfirmDialog *mGuildAcceptDialog;
-    TextDialog *mGuildCreateDialog;
+    int mGuildInvited = 0;
+    ConfirmDialog *mGuildAcceptDialog = nullptr;
+    TextDialog *mGuildCreateDialog = nullptr;
 
     std::string mPartyInviter;
-    ConfirmDialog *mPartyAcceptDialog;
-    TextDialog *mPartyCreateDialog;
+    ConfirmDialog *mPartyAcceptDialog = nullptr;
+    TextDialog *mPartyCreateDialog = nullptr;
 
-    using GuildMap = std::map<Guild *, SocialTab *>;
-    GuildMap mGuilds;
-
-    using PartyMap = std::map<Party *, SocialTab *>;
-    PartyMap mParties;
+    std::map<Guild *, SocialTab *> mGuilds;
+    std::map<Party *, SocialTab *> mParties;
 
     CreatePopup *mCreatePopup;
 
diff --git a/src/gui/statuswindow.h b/src/gui/statuswindow.h
index d1350bec..99c3b46a 100644
--- a/src/gui/statuswindow.h
+++ b/src/gui/statuswindow.h
@@ -81,8 +81,7 @@ class StatusWindow : public Window, public EventListener
         gcn::Label *mCharacterPointsLabel;
         gcn::Label *mCorrectionPointsLabel;
 
-        using Attrs = std::map<int, AttrDisplay *>;
-        Attrs mAttrs;
+        std::map<int, AttrDisplay *> mAttrs;
 };
 
 extern StatusWindow *statusWindow;
diff --git a/src/gui/tradewindow.h b/src/gui/tradewindow.h
index cf2bb70e..e9d8d4f1 100644
--- a/src/gui/tradewindow.h
+++ b/src/gui/tradewindow.h
@@ -117,9 +117,8 @@ class TradeWindow : public Window, gcn::ActionListener, gcn::SelectionListener
          */
         void setStatus(Status s);
 
-        using InventoryPtr = const std::unique_ptr<Inventory>;
-        InventoryPtr mMyInventory;
-        InventoryPtr mPartnerInventory;
+        const std::unique_ptr<Inventory> mMyInventory;
+        const std::unique_ptr<Inventory> mPartnerInventory;
 
         ItemContainer *mMyItemContainer;
         ItemContainer *mPartnerItemContainer;
diff --git a/src/gui/truetypefont.cpp b/src/gui/truetypefont.cpp
index 1fd76bdf..167a66b2 100644
--- a/src/gui/truetypefont.cpp
+++ b/src/gui/truetypefont.cpp
@@ -80,8 +80,6 @@ class TextChunk
         gcn::Color color;
 };
 
-using CacheIterator = std::list<TextChunk>::iterator;
-
 static int fontCounter;
 
 TrueTypeFont::TrueTypeFont(const std::string &filename, int size, int style)
@@ -175,8 +173,7 @@ int TrueTypeFont::getWidth(const std::string &text) const
             mCache.splice(mCache.begin(), mCache, i);
             if (i->img)
                 return i->img->getWidth();
-            else
-                return 0;
+            return 0;
         }
     }
 
diff --git a/src/gui/viewport.h b/src/gui/viewport.h
index 96c8afd3..6ea74b5e 100644
--- a/src/gui/viewport.h
+++ b/src/gui/viewport.h
@@ -209,8 +209,7 @@ class Viewport : public WindowContainer, public gcn::MouseListener,
             float decay;
             unsigned duration;
         };
-        using ShakeEffects = std::list<ShakeEffect>;
-        ShakeEffects mShakeEffects;
+        std::list<ShakeEffect> mShakeEffects;
 
         bool mPlayerFollowMouse = false;
 
diff --git a/src/gui/widgets/button.cpp b/src/gui/widgets/button.cpp
index d40a54fb..28d16b72 100644
--- a/src/gui/widgets/button.cpp
+++ b/src/gui/widgets/button.cpp
@@ -61,8 +61,7 @@ static ButtonData const data[BUTTON_COUNT] = {
     { "button_disabled.png", 25, 23 }
 };
 
-Button::Button():
-    mButtonIcon(nullptr)
+Button::Button()
 {
     init();
     adjustSize();
diff --git a/src/gui/widgets/icon.cpp b/src/gui/widgets/icon.cpp
index eaf5be1c..5becadd1 100644
--- a/src/gui/widgets/icon.cpp
+++ b/src/gui/widgets/icon.cpp
@@ -31,10 +31,8 @@ Icon::Icon(const std::string &file)
 {}
 
 Icon::Icon(Image *image)
-    : mImage(image)
 {
-    if (mImage)
-        setSize(mImage->getWidth(), mImage->getHeight());
+    setImage(image);
 }
 
 void Icon::setImage(Image *image)
diff --git a/src/gui/widgets/icon.h b/src/gui/widgets/icon.h
index 896b26c1..508d2095 100644
--- a/src/gui/widgets/icon.h
+++ b/src/gui/widgets/icon.h
@@ -62,7 +62,7 @@ class Icon : public gcn::Widget
         void draw(gcn::Graphics *g) override;
 
     private:
-        Image *mImage;
+        Image *mImage = nullptr;
 };
 
 #endif // ICON_H
diff --git a/src/gui/widgets/layout.cpp b/src/gui/widgets/layout.cpp
index f7941889..c40a3b2c 100644
--- a/src/gui/widgets/layout.cpp
+++ b/src/gui/widgets/layout.cpp
@@ -37,13 +37,15 @@ LayoutCell &ContainerPlacer::operator()
 
 LayoutCell::~LayoutCell()
 {
-    if (mType == ARRAY) delete mArray;
+    if (mType == ARRAY)
+        delete mArray;
 }
 
 LayoutArray &LayoutCell::getArray()
 {
     assert(mType != WIDGET);
-    if (mType == ARRAY) return *mArray;
+    if (mType == ARRAY)
+        return *mArray;
     mArray = new LayoutArray;
     mType = ARRAY;
     mExtent[0] = 1;
@@ -114,7 +116,8 @@ void LayoutArray::resizeGrid(int w, int h)
 {
     bool extW = w && w > (int)mSizes[0].size(),
          extH = h && h > (int)mSizes[1].size();
-    if (!extW && !extH) return;
+    if (!extW && !extH)
+        return;
 
     if (extH)
     {
@@ -177,8 +180,10 @@ LayoutCell &LayoutArray::place(gcn::Widget *widget, int x, int y, int w, int h)
     cell.mAlign[1] = LayoutCell::FILL;
     short &cs = mSizes[0][x];
     short &rs = mSizes[1][y];
-    if (cs == Layout::AUTO_DEF && w == 1) cs = 0;
-    if (rs == Layout::AUTO_DEF && h == 1) rs = 0;
+    if (cs == Layout::AUTO_DEF && w == 1)
+        cs = 0;
+    if (rs == Layout::AUTO_DEF && h == 1)
+        rs = 0;
     return cell;
 }
 
@@ -218,7 +223,8 @@ std::vector< short > LayoutArray::getSizes(int dim, int upp) const
         for (int gridX = 0; gridX < gridW; ++gridX)
         {
             LayoutCell const *cell = mCells[gridY][gridX];
-            if (!cell || cell->mType == LayoutCell::NONE) continue;
+            if (!cell || cell->mType == LayoutCell::NONE)
+                continue;
 
             if (cell->mExtent[dim] == 1)
             {
@@ -249,7 +255,8 @@ std::vector< short > LayoutArray::getSizes(int dim, int upp) const
     }
     upp = upp + mSpacing;
 
-    if (nbFill == 0) return sizes;
+    if (nbFill == 0)
+        return sizes;
 
     for (int i = 0; i < nb; ++i)
     {
diff --git a/src/gui/widgets/linkhandler.h b/src/gui/widgets/linkhandler.h
index dab42a24..33263a25 100644
--- a/src/gui/widgets/linkhandler.h
+++ b/src/gui/widgets/linkhandler.h
@@ -31,7 +31,7 @@
 class LinkHandler
 {
     public:
-        virtual ~LinkHandler() { }
+        virtual ~LinkHandler() = default;
 
         virtual void handleLink(const std::string &link) = 0;
 };
diff --git a/src/gui/widgets/shopitems.cpp b/src/gui/widgets/shopitems.cpp
index 91829131..031416e0 100644
--- a/src/gui/widgets/shopitems.cpp
+++ b/src/gui/widgets/shopitems.cpp
@@ -60,7 +60,7 @@ void ShopItems::addItem(int inventoryIndex, int id, int quantity, int price)
 
     if (item)
     {
-        item->addDuplicate (inventoryIndex, quantity);
+        item->addDuplicate(inventoryIndex, quantity);
     }
     else
     {
@@ -87,15 +87,11 @@ void ShopItems::clear()
 
 ShopItem *ShopItems::findItem(int id)
 {
-    ShopItem *item;
-
-    std::vector<ShopItem*>::iterator it;
-    for (it = mShopItems.begin(); it != mShopItems.end(); it++)
+    for (auto shopItem : mShopItems)
     {
-        item = *(it);
-        if (item->getId() == id)
+        if (shopItem->getId() == id)
         {
-            return item;
+            return shopItem;
         }
     }
 
diff --git a/src/gui/widgets/tabbedarea.cpp b/src/gui/widgets/tabbedarea.cpp
index 644adf07..772a8e22 100644
--- a/src/gui/widgets/tabbedarea.cpp
+++ b/src/gui/widgets/tabbedarea.cpp
@@ -48,10 +48,10 @@ int TabbedArea::getNumberOfTabs() const
 
 Tab *TabbedArea::getTab(const std::string &name) const
 {
-    for (auto itr = mTabs.begin(); itr != mTabs.end(); ++itr)
+    for (const auto &[tab, _] : mTabs)
     {
-        if ((*itr).first->getCaption() == name)
-            return static_cast<Tab*>((*itr).first);
+        if (tab->getCaption() == name)
+            return static_cast<Tab*>(tab);
     }
     return nullptr;
 }
@@ -113,8 +113,7 @@ void TabbedArea::removeTab(Tab *tab)
             mSelectedTab = nullptr;
     }
 
-    TabContainer::iterator iter;
-    for (iter = mTabs.begin(); iter != mTabs.end(); iter++)
+    for (auto iter = mTabs.begin(); iter != mTabs.end(); iter++)
     {
         if (iter->first == tab)
         {
@@ -124,12 +123,11 @@ void TabbedArea::removeTab(Tab *tab)
         }
     }
 
-    std::vector<gcn::Tab*>::iterator iter2;
-    for (iter2 = mTabsToDelete.begin(); iter2 != mTabsToDelete.end(); iter2++)
+    for (auto iter = mTabsToDelete.begin(); iter != mTabsToDelete.end(); iter++)
     {
-        if (*iter2 == tab)
+        if (*iter == tab)
         {
-            mTabsToDelete.erase(iter2);
+            mTabsToDelete.erase(iter);
             delete tab;
             break;
         }
@@ -154,9 +152,8 @@ void TabbedArea::mousePressed(gcn::MouseEvent &mouseEvent)
     {
         gcn::Widget *widget = mTabContainer->getWidgetAt(mouseEvent.getX(),
                                                          mouseEvent.getY());
-        auto *tab = dynamic_cast<gcn::Tab*>(widget);
 
-        if (tab)
+        if (auto *tab = dynamic_cast<gcn::Tab*>(widget))
         {
             setSelectedTab(tab);
             requestFocus();
@@ -205,9 +202,9 @@ void TabbedArea::widgetResized(const gcn::Event &event)
 void TabbedArea::updateTabsWidth()
 {
     mTabsWidth = 0;
-    for (const auto &tab : mTabs)
+    for (const auto &[tab, _] : mTabs)
     {
-        mTabsWidth += tab.first->getWidth();
+        mTabsWidth += tab->getWidth();
     }
     updateVisibleTabsWidth();
 }
@@ -255,10 +252,9 @@ void TabbedArea::adjustTabPositions()
 
 void TabbedArea::action(const gcn::ActionEvent& actionEvent)
 {
-    Widget* source = actionEvent.getSource();
-    Tab* tab = dynamic_cast<Tab*>(source);
+    Widget *source = actionEvent.getSource();
 
-    if (tab)
+    if (Tab *tab = dynamic_cast<Tab*>(source))
     {
         setSelectedTab(tab);
     }
diff --git a/src/gui/widgets/tabbedarea.h b/src/gui/widgets/tabbedarea.h
index 18e923bf..8e6dcb5f 100644
--- a/src/gui/widgets/tabbedarea.h
+++ b/src/gui/widgets/tabbedarea.h
@@ -112,9 +112,8 @@ class TabbedArea : public gcn::TabbedArea, public gcn::WidgetListener
         // Inherited from MouseListener
 
         void mousePressed(gcn::MouseEvent &mouseEvent) override;
-    private:
-        using TabContainer = std::vector<std::pair<gcn::Tab *, gcn::Widget *>>;
 
+    private:
         /** The tab arrows */
         Button *mArrowButton[2];
 
diff --git a/src/gui/widgets/textfield.h b/src/gui/widgets/textfield.h
index 3b997ba8..9235f4b8 100644
--- a/src/gui/widgets/textfield.h
+++ b/src/gui/widgets/textfield.h
@@ -30,13 +30,10 @@ class TextInput;
 class ImageRect;
 class TextField;
 
-using TextHistoryList = std::list<std::string>;
-using TextHistoryIterator = TextHistoryList::iterator;
-
 struct TextHistory
 {
-    TextHistoryList history;     /**< Command history. */
-    TextHistoryIterator current; /**< History iterator. */
+    std::list<std::string> history;             /**< Command history. */
+    std::list<std::string>::iterator current;   /**< History iterator. */
 
     TextHistory()
     { current = history.end(); }
diff --git a/src/gui/worldselectdialog.cpp b/src/gui/worldselectdialog.cpp
index cab978de..a5b91de1 100644
--- a/src/gui/worldselectdialog.cpp
+++ b/src/gui/worldselectdialog.cpp
@@ -46,12 +46,10 @@ class WorldListModel : public gcn::ListModel
 {
     public:
         WorldListModel(Worlds worlds):
-                mWorlds(worlds)
+            mWorlds(std::move(worlds))
         {
         }
 
-        ~WorldListModel() override {}
-
         int getNumberOfElements() override
         {
             return mWorlds.size();
@@ -69,8 +67,8 @@ class WorldListModel : public gcn::ListModel
 WorldSelectDialog::WorldSelectDialog(Worlds worlds):
     Window(_("Select World"))
 {
-    mWorldListModel = new WorldListModel(worlds);
-    mWorldList = new ListBox(mWorldListModel);
+    mWorldListModel = std::make_unique<WorldListModel>(worlds);
+    mWorldList = new ListBox(mWorldListModel.get());
     auto *worldsScroll = new ScrollArea(mWorldList);
     mChangeLoginButton = new Button(_("Change Login"), "login", this);
     mChooseWorld = new Button(_("Choose World"), "world", this);
@@ -86,7 +84,7 @@ WorldSelectDialog::WorldSelectDialog(Worlds worlds):
 
     reflowLayout(0, 0);
 
-    if (worlds.size() == 0)
+    if (worlds.empty())
         // Disable Ok button
         mChooseWorld->setEnabled(false);
     else
@@ -100,10 +98,7 @@ WorldSelectDialog::WorldSelectDialog(Worlds worlds):
     mChooseWorld->requestFocus();
 }
 
-WorldSelectDialog::~WorldSelectDialog()
-{
-    delete mWorldListModel;
-}
+WorldSelectDialog::~WorldSelectDialog() = default;
 
 void WorldSelectDialog::action(const gcn::ActionEvent &event)
 {
diff --git a/src/gui/worldselectdialog.h b/src/gui/worldselectdialog.h
index f2b74582..a1150cb8 100644
--- a/src/gui/worldselectdialog.h
+++ b/src/gui/worldselectdialog.h
@@ -30,7 +30,7 @@
 #include <guichan/keylistener.hpp>
 #include <guichan/listmodel.hpp>
 
-#include <vector>
+#include <memory>
 
 class LoginData;
 class WorldListModel;
@@ -57,7 +57,7 @@ class WorldSelectDialog : public Window, public gcn::ActionListener,
         void mouseClicked(gcn::MouseEvent &mouseEvent) override;
 
     private:
-        WorldListModel *mWorldListModel;
+        std::unique_ptr<WorldListModel> mWorldListModel;
         gcn::ListBox *mWorldList;
         gcn::Button *mChangeLoginButton;
         gcn::Button *mChooseWorld;
diff --git a/src/inventory.cpp b/src/inventory.cpp
index a92a4377..2de03431 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -159,10 +159,8 @@ void Inventory::removeInventoryListener(InventoryListener* listener)
 
 void Inventory::distributeSlotsChangedEvent()
 {
-    InventoryListenerList::const_iterator i = mInventoryListeners.begin();
-    InventoryListenerList::const_iterator i_end = mInventoryListeners.end();
-    for (; i != i_end; i++)
+    for (auto inventoryListener : mInventoryListeners)
     {
-        (*i)->slotsChanged(this);
+        inventoryListener->slotsChanged(this);
     }
 }
diff --git a/src/inventory.h b/src/inventory.h
index b4253b72..891a0d7b 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -30,7 +30,7 @@ class Item;
 class InventoryListener
 {
 public:
-    virtual ~InventoryListener() {}
+    virtual ~InventoryListener() = default;
 
     virtual void slotsChanged(Inventory* inventory) = 0;
 
@@ -135,8 +135,7 @@ class Inventory
         { return mType == INVENTORY; }
 
     protected:
-        using InventoryListenerList = std::list<InventoryListener *>;
-        InventoryListenerList mInventoryListeners;
+        std::list<InventoryListener *> mInventoryListeners;
 
         void distributeSlotsChangedEvent();
 
diff --git a/src/localplayer.cpp b/src/localplayer.cpp
index 92224c03..3bc41b01 100644
--- a/src/localplayer.cpp
+++ b/src/localplayer.cpp
@@ -86,13 +86,13 @@ void LocalPlayer::logic()
     {
         if (mMessageTime == 0)
         {
-            MessagePair info = mMessages.front();
+            const auto &[message, color] = mMessages.front();
 
             particleEngine->addTextRiseFadeOutEffect(
-                    info.first,
+                    message,
                     getPixelX(),
                     getPixelY() - 32 - 16,
-                    &userPalette->getColor(info.second),
+                    &userPalette->getColor(color),
                     gui->getInfoParticleFont(), true);
 
             mMessages.pop_front();
@@ -978,7 +978,7 @@ void LocalPlayer::setGotoTarget(Being *target)
 
 void LocalPlayer::addMessageToQueue(const std::string &message, int color)
 {
-    mMessages.push_back(MessagePair(message, color));
+    mMessages.emplace_back(message, color);
 }
 
 void LocalPlayer::event(Event::Channel channel, const Event &event)
diff --git a/src/localplayer.h b/src/localplayer.h
index 43a1fe6d..0013a471 100644
--- a/src/localplayer.h
+++ b/src/localplayer.h
@@ -249,9 +249,8 @@ class LocalPlayer final : public Being
         int mWalkingDir = 0;            /**< The direction the player is walking in. */
         bool mPathSetByMouse = false;   /**< Tells if the path was set using mouse */
 
-        using MessagePair = std::pair<std::string, int>;
         /** Queued messages*/
-        std::list<MessagePair> mMessages;
+        std::list<std::pair<std::string, int>> mMessages;
         int mMessageTime = 0;
 
         bool mShowIp = false;
diff --git a/src/net/tmwa/gui/guildtab.cpp b/src/net/tmwa/gui/guildtab.cpp
index 6014e507..9858028e 100644
--- a/src/net/tmwa/gui/guildtab.cpp
+++ b/src/net/tmwa/gui/guildtab.cpp
@@ -43,10 +43,6 @@ GuildTab::GuildTab() :
     setTabColor(&Theme::getThemeColor(Theme::GUILD));
 }
 
-GuildTab::~GuildTab()
-{
-}
-
 void GuildTab::handleInput(const std::string &msg)
 {
     Net::getGuildHandler()->chat(taGuild->getId(), msg);
diff --git a/src/net/tmwa/gui/guildtab.h b/src/net/tmwa/gui/guildtab.h
index e7d7b7cc..3f864748 100644
--- a/src/net/tmwa/gui/guildtab.h
+++ b/src/net/tmwa/gui/guildtab.h
@@ -33,7 +33,6 @@ class GuildTab : public ChatTab
 {
     public:
         GuildTab();
-        ~GuildTab() override;
 
         void showHelp() override;
 
diff --git a/src/net/tmwa/gui/partytab.cpp b/src/net/tmwa/gui/partytab.cpp
index 89f3a769..6f1e3b68 100644
--- a/src/net/tmwa/gui/partytab.cpp
+++ b/src/net/tmwa/gui/partytab.cpp
@@ -42,10 +42,6 @@ PartyTab::PartyTab() :
     setTabColor(&Theme::getThemeColor(Theme::PARTY_CHAT_TAB));
 }
 
-PartyTab::~PartyTab()
-{
-}
-
 void PartyTab::handleInput(const std::string &msg)
 {
     Net::getPartyHandler()->chat(msg);
@@ -197,9 +193,7 @@ bool PartyTab::handleCommand(const std::string &type, const std::string &args)
 
 void PartyTab::getAutoCompleteList(std::vector<std::string> &names) const
 {
-    Party *p = local_player->getParty();
-
-    if (p)
+    if (Party *p = local_player->getParty())
         p->getNames(names);
 }
 
diff --git a/src/net/tmwa/gui/partytab.h b/src/net/tmwa/gui/partytab.h
index 61ccf37a..a6c52f58 100644
--- a/src/net/tmwa/gui/partytab.h
+++ b/src/net/tmwa/gui/partytab.h
@@ -33,7 +33,6 @@ class PartyTab : public ChatTab
 {
     public:
         PartyTab();
-        ~PartyTab() override;
 
         void showHelp() override;
 
diff --git a/src/particle.cpp b/src/particle.cpp
index 3062de51..953e4160 100644
--- a/src/particle.cpp
+++ b/src/particle.cpp
@@ -52,24 +52,7 @@ int Particle::emitterSkip = 1;
 bool Particle::enabled = true;
 const float Particle::PARTICLE_SKY = 800.0f;
 
-Particle::Particle(Map *map):
-    mAlpha(1.0f),
-    mLifetimeLeft(-1),
-    mLifetimePast(0),
-    mFadeOut(0),
-    mFadeIn(0),
-    mAlive(ALIVE),
-    mAutoDelete(true),
-    mAllowSizeAdjust(false),
-    mDeathEffectConditions(0x00),
-    mGravity(0.0f),
-    mRandomness(0),
-    mBounce(0.0f),
-    mFollow(false),
-    mTarget(nullptr),
-    mAcceleration(0.0f),
-    mInvDieDistance(-1.0f),
-    mMomentum(1.0f)
+Particle::Particle(Map *map)
 {
     setMap(map);
     Particle::particleCount++;
@@ -238,7 +221,7 @@ bool Particle::update()
         }
     }
 
-    return !(mAlive != ALIVE && mChildParticles.empty() && mAutoDelete);
+    return mAlive == ALIVE || !mChildParticles.empty() || !mAutoDelete;
 }
 
 void Particle::moveBy(const Vector &change)
diff --git a/src/particle.h b/src/particle.h
index 68b1efd9..eece1f85 100644
--- a/src/particle.h
+++ b/src/particle.h
@@ -262,38 +262,38 @@ class Particle : public Actor
 
     protected:
         /** Opacity of the graphical representation of the particle */
-        float mAlpha;
+        float mAlpha = 1.0f;
 
         /** Calculates the current alpha transparency taking current fade status into account*/
         float getCurrentAlpha() const;
 
-        int mLifetimeLeft;          /**< Lifetime left in game ticks*/
-        int mLifetimePast;          /**< Age of the particle in game ticks*/
-        int mFadeOut;               /**< Lifetime in game ticks left where fading out begins*/
-        int mFadeIn;                /**< Age in game ticks where fading in is finished*/
-        Vector mVelocity;           /**< Speed in pixels per game-tick. */
+        int mLifetimeLeft = -1;         /**< Lifetime left in game ticks*/
+        int mLifetimePast = 0;          /**< Age of the particle in game ticks*/
+        int mFadeOut = 0;               /**< Lifetime in game ticks left where fading out begins*/
+        int mFadeIn = 0;                /**< Age in game ticks where fading in is finished*/
+        Vector mVelocity;               /**< Speed in pixels per game-tick. */
 
     private:
-        AliveStatus mAlive;                 /**< Is the particle supposed to be drawn and updated?*/
+        AliveStatus mAlive = ALIVE;     /**< Is the particle supposed to be drawn and updated?*/
         // generic properties
-        bool mAutoDelete;           /**< May the particle request its deletion by the parent particle? */
-        Emitters mChildEmitters;    /**< List of child emitters. */
-        Particles mChildParticles;  /**< List of particles controlled by this particle */
-        bool mAllowSizeAdjust;      /**< Can the effect size be adjusted by the object props in the map file? */
-        std::string mDeathEffect;   /**< Particle effect file to be spawned when the particle dies */
-        char mDeathEffectConditions;/**< Bitfield of death conditions which trigger spawning of the death particle */
+        bool mAutoDelete = true;        /**< May the particle request its deletion by the parent particle? */
+        Emitters mChildEmitters;        /**< List of child emitters. */
+        Particles mChildParticles;      /**< List of particles controlled by this particle */
+        bool mAllowSizeAdjust = false;  /**< Can the effect size be adjusted by the object props in the map file? */
+        std::string mDeathEffect;       /**< Particle effect file to be spawned when the particle dies */
+        char mDeathEffectConditions = 0;/**< Bitfield of death conditions which trigger spawning of the death particle */
 
         // dynamic particle
-        float mGravity;             /**< Downward acceleration in pixels per game-tick. */
-        int mRandomness;            /**< Ammount of random vector change */
-        float mBounce;              /**< How much the particle bounces off when hitting the ground */
-        bool mFollow;               /**< is this particle moved when its parent particle moves? */
+        float mGravity = 0.0f;          /**< Downward acceleration in pixels per game-tick. */
+        int mRandomness = 0;            /**< Ammount of random vector change */
+        float mBounce = 0.0f;           /**< How much the particle bounces off when hitting the ground */
+        bool mFollow = false;           /**< is this particle moved when its parent particle moves? */
 
         // follow-point particles
-        Particle *mTarget;          /**< The particle that attracts this particle*/
-        float mAcceleration;        /**< Acceleration towards the target particle in pixels per game-tick*/
-        float mInvDieDistance;      /**< Distance in pixels from the target particle that causes the destruction of the particle*/
-        float mMomentum;            /**< How much speed the particle retains after each game tick*/
+        Particle *mTarget = nullptr;    /**< The particle that attracts this particle*/
+        float mAcceleration = 0.0f;     /**< Acceleration towards the target particle in pixels per game-tick*/
+        float mInvDieDistance = -1.0f;  /**< Distance in pixels from the target particle that causes the destruction of the particle*/
+        float mMomentum = 1.0f;         /**< How much speed the particle retains after each game tick*/
 };
 
 extern Particle *particleEngine;
diff --git a/src/particlecontainer.cpp b/src/particlecontainer.cpp
index f19ad6e3..9dfb8585 100644
--- a/src/particlecontainer.cpp
+++ b/src/particlecontainer.cpp
@@ -56,8 +56,7 @@ ParticleList::ParticleList(ParticleContainer *parent, bool delParent):
     ParticleContainer(parent, delParent)
 {}
 
-ParticleList::~ParticleList()
-{}
+ParticleList::~ParticleList() = default;
 
 void ParticleList::addLocally(Particle *particle)
 {
@@ -117,8 +116,7 @@ ParticleVector::ParticleVector(ParticleContainer *parent, bool delParent):
     ParticleContainer(parent, delParent)
 {}
 
-ParticleVector::~ParticleVector()
-{}
+ParticleVector::~ParticleVector() = default;
 
 void ParticleVector::setLocally(int index, Particle *particle)
 {
diff --git a/src/particlecontainer.h b/src/particlecontainer.h
index f01618e1..3905ee49 100644
--- a/src/particlecontainer.h
+++ b/src/particlecontainer.h
@@ -67,7 +67,7 @@ protected:
 /**
  * Linked list of particle effects.
  */
-class ParticleList : public ParticleContainer
+class ParticleList final : public ParticleContainer
 {
 public:
     ParticleList(ParticleContainer *parent = nullptr, bool delParent = true);
@@ -94,7 +94,7 @@ protected:
 /**
  * Particle container with indexing facilities
  */
-class ParticleVector : public ParticleContainer
+class ParticleVector final : public ParticleContainer
 {
 public:
     ParticleVector(ParticleContainer *parent = nullptr, bool delParent = true);
@@ -104,12 +104,12 @@ public:
      * Sets a particle at a specified index.  Kills the previous particle
      * there, if needed.
      */
-    virtual void setLocally(int index, Particle *particle);
+    void setLocally(int index, Particle *particle);
 
     /**
      * Removes a particle at a specified index
      */
-    virtual void delLocally(int index);
+    void delLocally(int index);
 
     void clearLocally() override;
     void moveTo(float x, float y) override;
diff --git a/src/playerinfo.cpp b/src/playerinfo.cpp
index a937d71e..433f4f6b 100644
--- a/src/playerinfo.cpp
+++ b/src/playerinfo.cpp
@@ -31,17 +31,17 @@ namespace PlayerInfo {
 
 class PlayerLogic;
 
-static PlayerLogic *mListener = nullptr;
+static PlayerLogic *mListener;
 
 static PlayerInfoBackend mData;
 
-static Inventory *mInventory = nullptr;
-static Equipment *mEquipment = nullptr;
+static Inventory *mInventory;
+static Equipment *mEquipment;
 
-static bool mStorageCount = 0;
+static bool mStorageCount = false;
 
-static bool mNPCCount = 0;
-static bool mNPCPostCount = 0;
+static bool mNPCCount = false;
+static bool mNPCPostCount = false;
 
 static BuySellState mBuySellState = BUYSELL_NONE;
 
@@ -78,7 +78,7 @@ void triggerStat(int id, const std::string &changed, int old1, int old2 = 0)
 
 int getAttribute(int id)
 {
-    IntMap::const_iterator it = mData.mAttributes.find(id);
+    auto it = mData.mAttributes.find(id);
     if (it != mData.mAttributes.end())
         return it->second;
 
@@ -97,7 +97,7 @@ void setAttribute(int id, int value, bool notify)
 
 int getStatBase(int id)
 {
-    StatMap::const_iterator it = mData.mStats.find(id);
+    auto it = mData.mStats.find(id);
     if (it != mData.mStats.end())
         return it->second.base;
 
@@ -114,7 +114,7 @@ void setStatBase(int id, int value, bool notify)
 
 int getStatMod(int id)
 {
-    StatMap::const_iterator it = mData.mStats.find(id);
+    auto it = mData.mStats.find(id);
     if (it != mData.mStats.end())
         return it->second.mod;
 
@@ -131,7 +131,7 @@ void setStatMod(int id, int value, bool notify)
 
 int getStatEffective(int id)
 {
-    StatMap::const_iterator it = mData.mStats.find(id);
+    auto it = mData.mStats.find(id);
     if (it != mData.mStats.end())
         return it->second.base + it->second.mod;
 
@@ -140,7 +140,7 @@ int getStatEffective(int id)
 
 std::pair<int, int> getStatExperience(int id)
 {
-    StatMap::const_iterator it = mData.mStats.find(id);
+    auto it = mData.mStats.find(id);
     int a, b;
     if (it != mData.mStats.end())
     {
@@ -152,7 +152,7 @@ std::pair<int, int> getStatExperience(int id)
         a = 0;
         b = 0;
     }
-    return std::pair<int, int>(a, b);
+    return { a, b };
 }
 
 void setStatExperience(int id, int have, int need, bool notify)
diff --git a/src/playerinfo.h b/src/playerinfo.h
index 925c5078..cbb6c748 100644
--- a/src/playerinfo.h
+++ b/src/playerinfo.h
@@ -49,16 +49,13 @@ struct Stat
     int expNeed;
 };
 
-using IntMap = std::map<int, int>;
-using StatMap = std::map<int, Stat>;
-
 /**
  * Backend for core player information.
  */
 struct PlayerInfoBackend
 {
-    IntMap mAttributes;
-    StatMap mStats;
+    std::map<int, int> mAttributes;
+    std::map<int, Stat> mStats;
 };
 
 class Equipment;
diff --git a/src/resources/beinginfo.h b/src/resources/beinginfo.h
index a4736439..d65feb5e 100644
--- a/src/resources/beinginfo.h
+++ b/src/resources/beinginfo.h
@@ -124,6 +124,4 @@ class BeingInfo
         Map::BlockType mBlockType = Map::BLOCKTYPE_CHARACTER;
 };
 
-using BeingInfos = std::map<int, BeingInfo *>;
-
 #endif // BEINGINFO_H
diff --git a/src/resources/monsterdb.cpp b/src/resources/monsterdb.cpp
index 49ee2174..e28fe75e 100644
--- a/src/resources/monsterdb.cpp
+++ b/src/resources/monsterdb.cpp
@@ -37,7 +37,7 @@
 
 namespace
 {
-    BeingInfos mMonsterInfos;
+    std::map<int, BeingInfo *> mMonsterInfos;
     bool mLoaded = false;
     int mMonsterIdOffset;
 }
diff --git a/src/resources/npcdb.cpp b/src/resources/npcdb.cpp
index 83d91b20..ce1bf14c 100644
--- a/src/resources/npcdb.cpp
+++ b/src/resources/npcdb.cpp
@@ -30,7 +30,7 @@
 
 namespace
 {
-    BeingInfos mNPCInfos;
+    std::map<int, BeingInfo *> mNPCInfos;
     bool mLoaded = false;
 }
 
diff --git a/src/resources/resourcemanager.h b/src/resources/resourcemanager.h
index 9a427ba0..2377eea1 100644
--- a/src/resources/resourcemanager.h
+++ b/src/resources/resourcemanager.h
@@ -237,10 +237,8 @@ class ResourceManager
         void cleanOrphans();
 
         static ResourceManager *instance;
-        using Resources = std::map<std::string, Resource *>;
-        using ResourceIterator = Resources::iterator;
-        Resources mResources;
-        Resources mOrphanedResources;
+        std::map<std::string, Resource *> mResources;
+        std::map<std::string, Resource *> mOrphanedResources;
         time_t mOldestOrphan;
 };
 
diff --git a/src/resources/specialdb.cpp b/src/resources/specialdb.cpp
index 89bd4d8d..c2ff16c2 100644
--- a/src/resources/specialdb.cpp
+++ b/src/resources/specialdb.cpp
@@ -24,10 +24,11 @@
 
 #include "utils/dtor.h"
 
+#include <map>
 
 namespace
 {
-    SpecialInfos mSpecialInfos;
+    std::map<int, SpecialInfo *> mSpecialInfos;
     bool mLoaded = false;
 }
 
diff --git a/src/resources/specialdb.h b/src/resources/specialdb.h
index 71aae0ba..50aebf1f 100644
--- a/src/resources/specialdb.h
+++ b/src/resources/specialdb.h
@@ -22,7 +22,6 @@
 #define SPECIAL_DB_H
 
 #include <string>
-#include <map>
 #include "utils/xml.h"
 
 struct SpecialInfo
@@ -65,6 +64,4 @@ namespace SpecialDB
     SpecialInfo::TargetMode targetModeFromString(const std::string& str);
 }
 
-using SpecialInfos = std::map<int, SpecialInfo *>;
-
 #endif
diff --git a/src/resources/spritedef.h b/src/resources/spritedef.h
index fafd6a41..49798afc 100644
--- a/src/resources/spritedef.h
+++ b/src/resources/spritedef.h
@@ -53,8 +53,6 @@ struct SpriteDisplay
     std::list<std::string> particles;
 };
 
-using SpriteRefs = std::list<SpriteReference>::const_iterator;
-
 /*
  * Remember those are the main action.
  * Action subtypes, e.g.: "attack_bow" are to be passed by items.xml after
diff --git a/src/resources/theme.cpp b/src/resources/theme.cpp
index 4686edf1..1db92feb 100644
--- a/src/resources/theme.cpp
+++ b/src/resources/theme.cpp
@@ -105,7 +105,7 @@ int Skin::getMinHeight() const
 Theme::Theme():
     Palette(THEME_COLORS_END),
     mMinimumOpacity(-1.0f),
-    mProgressColors(ProgressColors(THEME_PROG_END))
+    mProgressColors(THEME_PROG_END)
 {
     initDefaultThemePath();
 
diff --git a/src/resources/theme.h b/src/resources/theme.h
index ae795ed4..434bd6d8 100644
--- a/src/resources/theme.h
+++ b/src/resources/theme.h
@@ -107,7 +107,7 @@ class Theme : public Palette, public EventListener
         static void deleteInstance();
 
         static void prepareThemePath();
-        static std::string getThemePath() { return mThemePath; }
+        static const std::string &getThemePath() { return mThemePath; }
 
         /**
          * Returns the patch to the given gui resource relative to the theme
@@ -227,10 +227,7 @@ class Theme : public Palette, public EventListener
         Skin *readSkin(const std::string &filename);
 
         // Map containing all window skins
-        using Skins = std::map<std::string, Skin *>;
-        using SkinIterator = Skins::iterator;
-
-        Skins mSkins;
+        std::map<std::string, Skin *> mSkins;
 
         static std::string mThemePath;
         static Theme *mInstance;
@@ -245,8 +242,7 @@ class Theme : public Palette, public EventListener
          */
         float mMinimumOpacity;
 
-        using ProgressColors = std::vector<DyePalette *>;
-        ProgressColors mProgressColors;
+        std::vector<DyePalette *> mProgressColors;
 };
 
 #endif
diff --git a/src/resources/wallpaper.cpp b/src/resources/wallpaper.cpp
index a1990ed0..e8167b6b 100644
--- a/src/resources/wallpaper.cpp
+++ b/src/resources/wallpaper.cpp
@@ -21,17 +21,12 @@
 
 #include "resources/wallpaper.h"
 
-#include "resources/resourcemanager.h"
-#include "log.h"
-
-#include "utils/stringutils.h"
 #include "configuration.h"
 
 #include <physfs.h>
 
 #include <algorithm>
 #include <cstring>
-#include <ctime>
 #include <vector>
 
 struct WallpaperData
@@ -144,16 +139,12 @@ std::string Wallpaper::getWallpaper(int width, int height)
     WallpaperData wallpaper;
 
     // Search for the smallest wallpaper at least as large as the screen
-    std::vector<WallpaperData>::iterator iter;
-    for (iter = wallpaperData.begin(); iter != wallpaperData.end(); iter++)
+    for (auto &wp : wallpaperData)
     {
-        const WallpaperData &wp = *iter;
-
         if (wp.width >= width && wp.height >= height)
         {
-            if (wallpaper.filename.empty() ||
-                    (wallpaper.width < wp.width &&
-                     wallpaper.height < wp.height))
+            if (wallpaper.filename.empty() || (wallpaper.width < wp.width &&
+                                               wallpaper.height < wp.height))
             {
                 wallpaper = wp;
             }
diff --git a/src/shopitem.cpp b/src/shopitem.cpp
index 6eb52d18..e966dbbf 100644
--- a/src/shopitem.cpp
+++ b/src/shopitem.cpp
@@ -31,56 +31,28 @@ ShopItem::ShopItem(int inventoryIndex, int id,
     mPrice(price)
 {
     mDisplayName = getInfo().getName() +
-                        " (" + Units::formatCurrency(mPrice).c_str() + ")";
+                        " (" + Units::formatCurrency(mPrice) + ")";
     setInvIndex(inventoryIndex);
     addDuplicate(inventoryIndex, quantity);
 }
 
-ShopItem::ShopItem (int id, int price) : Item (id, 0), mPrice(price)
-{
-    mDisplayName = getInfo().getName() +
-                        " (" + Units::formatCurrency(mPrice).c_str() + ")";
-    setInvIndex(-1);
-    addDuplicate(-1, 0);
-}
-
-ShopItem::~ShopItem()
-{
-    /** Clear all remaining duplicates on Object destruction. */
-    while (!mDuplicates.empty())
-    {
-        delete mDuplicates.top();
-        mDuplicates.pop();
-    }
-}
+ShopItem::~ShopItem() = default;
 
 void ShopItem::addDuplicate(int inventoryIndex, int quantity)
 {
-    auto* di = new DuplicateItem;
-    di->inventoryIndex = inventoryIndex;
-    di->quantity = quantity;
-    mDuplicates.push(di);
+    DuplicateItem &di = mDuplicates.emplace();
+    di.inventoryIndex = inventoryIndex;
+    di.quantity = quantity;
     mQuantity += quantity;
 }
 
-void ShopItem::addDuplicate()
-{
-    auto* di = new DuplicateItem;
-    di->inventoryIndex = -1;
-    di->quantity = 0;
-    mDuplicates.push(di);
-}
-
 int ShopItem::sellCurrentDuplicate(int quantity)
 {
-    DuplicateItem* dupl = mDuplicates.top();
-    int sellCount = quantity <= dupl->quantity ? quantity : dupl->quantity;
-    dupl->quantity -= sellCount;
+    DuplicateItem &dupl = mDuplicates.top();
+    int sellCount = quantity <= dupl.quantity ? quantity : dupl.quantity;
+    dupl.quantity -= sellCount;
     mQuantity -= sellCount;
-    if (dupl->quantity == 0)
-    {
-        delete dupl;
+    if (dupl.quantity == 0)
         mDuplicates.pop();
-    }
     return sellCount;
 }
diff --git a/src/shopitem.h b/src/shopitem.h
index 996e04ec..dc1188e0 100644
--- a/src/shopitem.h
+++ b/src/shopitem.h
@@ -43,15 +43,6 @@ class ShopItem : public Item
          */
         ShopItem(int inventoryIndex, int id, int quantity, int price);
 
-        /**
-         * Constructor. Creates a new ShopItem. Inventory index will be set to
-         * -1 and quantity to 0.
-         *
-         * @param id the id of the item
-         * @param price price of the item
-         */
-        ShopItem(int id, int price);
-
         ~ShopItem() override;
 
         /**
@@ -63,20 +54,13 @@ class ShopItem : public Item
         void addDuplicate(int inventoryIndex, int quantity);
 
         /**
-         * Add a duplicate. Id and price will be taken from this item.
-         * Needed for compatibility with ShopDuplicateItems (see) class
-         * documentation).
-         */
-        void addDuplicate();
-
-        /**
          * Gets the quantity of the currently topmost duplicate.
          *
          * @return the quantity of the currently topmost duplicate
          */
         int getCurrentQuantity() const
         {
-            return mDuplicates.empty() ? 0 : mDuplicates.top()->quantity;
+            return mDuplicates.empty() ? 0 : mDuplicates.top().quantity;
         }
 
         /**
@@ -87,7 +71,7 @@ class ShopItem : public Item
         int getCurrentInvIndex() const
         {
             return mDuplicates.empty() ? mInvIndex :
-                   mDuplicates.top()->inventoryIndex;
+                   mDuplicates.top().inventoryIndex;
         }
 
         /**
@@ -126,11 +110,12 @@ class ShopItem : public Item
         /**
          * Struct to keep track of duplicates.
          */
-        using DuplicateItem = struct {
+        struct DuplicateItem
+        {
             int inventoryIndex;
             int quantity;
         };
-        std::stack<DuplicateItem*> mDuplicates; /** <-- Stores duplicates */
+        std::stack<DuplicateItem> mDuplicates; /** <-- Stores duplicates */
 };
 
 #endif
diff --git a/src/textmanager.cpp b/src/textmanager.cpp
index 35a20781..fff95f05 100644
--- a/src/textmanager.cpp
+++ b/src/textmanager.cpp
@@ -57,13 +57,11 @@ void TextManager::removeText(const Text *text)
     }
 }
 
-TextManager::~TextManager()
-{
-}
+TextManager::~TextManager() = default;
 
 void TextManager::draw(gcn::Graphics *graphics, int xOff, int yOff)
 {
-    for (auto &text : mTextList)
+    for (auto text : mTextList)
     {
         text->draw(graphics, xOff, yOff);
     }
diff --git a/src/textmanager.h b/src/textmanager.h
index 9043e583..f736e87c 100644
--- a/src/textmanager.h
+++ b/src/textmanager.h
@@ -65,8 +65,7 @@ class TextManager
         void place(const Text *textObj, const Text *omit,
         int &x, int &y, int h);
 
-        using TextList = std::list<Text *>; /**< The container type */
-        TextList mTextList; /**< The container */
+        std::list<Text *> mTextList;
 };
 
 extern TextManager *textManager;
diff --git a/src/vector.h b/src/vector.h
index 9ff98aa1..5d7d63d7 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -33,11 +33,7 @@
 class Vector
 {
     public:
-        Vector():
-            x(0.0f),
-            y(0.0f),
-            z(0.0f)
-        {}
+        Vector() = default;
 
         Vector(float x, float y, float z = 0.0f):
             x(x),
@@ -45,12 +41,6 @@ class Vector
             z(z)
         {}
 
-        Vector(const Vector &v):
-            x(v.x),
-            y(v.y),
-            z(v.z)
-        {}
-
         /**
          * Returns true if all coordinates are set to 0, otherwise returns
          * false.
@@ -60,14 +50,6 @@ class Vector
             return x == 0.0f && y == 0.0f && z == 0.0f;
         }
 
-        Vector &operator=(const Vector &v)
-        {
-            x = v.x;
-            y = v.y;
-            z = v.z;
-            return *this;
-        }
-
         /**
          * Scale vector operator.
          */
@@ -187,7 +169,9 @@ class Vector
             return Vector(x / l, y / l, z / l);
         }
 
-        float x, y, z;
+        float x = 0.0f;
+        float y = 0.0f;
+        float z = 0.0f;
 };
 
 inline bool operator == (const Vector &a, const Vector &b)