4 files changed, 12 insertions, 12 deletions
diff --git a/src/resources/item/cardslist.h b/src/resources/item/cardslist.h
index f4c488404..6bc1f5e22 100644
--- a/src/resources/item/cardslist.h
+++ b/src/resources/item/cardslist.h
@@ -42,7 +42,7 @@ struct CardsList final
 
     explicit CardsList(const int *const cards0)
     {
-        if (cards0)
+        if (cards0 != nullptr)
         {
             for (int f = 0; f < maxCards; f ++)
                 cards[f] = cards0[f];
diff --git a/src/resources/item/complexitem.cpp b/src/resources/item/complexitem.cpp
index 08901a90e..047c50614 100644
--- a/src/resources/item/complexitem.cpp
+++ b/src/resources/item/complexitem.cpp
@@ -57,7 +57,7 @@ ComplexItem::~ComplexItem()
 void ComplexItem::addChild(const Item *const item,
                            const int amount)
 {
-    if (!item)
+    if (item == nullptr)
         return;
     increaseQuantity(amount);
     Item *child = nullptr;
@@ -72,7 +72,7 @@ void ComplexItem::addChild(const Item *const item,
             break;
         }
     }
-    if (child)
+    if (child != nullptr)
     {
         child->increaseQuantity(amount);
     }
diff --git a/src/resources/item/item.cpp b/src/resources/item/item.cpp
index c2c25a78c..897340732 100644
--- a/src/resources/item/item.cpp
+++ b/src/resources/item/item.cpp
@@ -78,7 +78,7 @@ Item::Item(const int id,
 
 Item::~Item()
 {
-    if (mImage)
+    if (mImage != nullptr)
     {
         mImage->decRef();
         mImage = nullptr;
@@ -97,7 +97,7 @@ void Item::setId(const int id,
     mEquipment = fromBool(id && CAST_S32(getInfo().getType())
         >= 2, Equipm);
 
-    if (mImage)
+    if (mImage != nullptr)
         mImage->decRef();
 
     const ItemInfo &info = getInfo();
@@ -108,7 +108,7 @@ void Item::setId(const int id,
         info.getDyeIconColorsString(color));
     mImage = Loader::getImage(dye);
 
-    if (!mImage)
+    if (mImage == nullptr)
     {
         mImage = Theme::getImageFromTheme(paths.getValue("unknownItemFile",
             "unknown-item.png"));
@@ -131,7 +131,7 @@ Image *Item::getImage(const int id,
         "itemIcons"), info.getDisplay().image),
         info.getDyeIconColorsString(color)));
 
-    if (!image)
+    if (image == nullptr)
         image = Theme::getImageFromTheme("unknown-item.png");
     return image;
 }
@@ -167,7 +167,7 @@ int Item::getCard(const int index) const
 
 void Item::setCards(const int *const cards, const int size)
 {
-    if (size < 0 || !cards)
+    if (size < 0 || (cards == nullptr))
         return;
     int sz = size;
     if (sz > maxCards)
@@ -180,7 +180,7 @@ void Item::addCard(const int card)
 {
     for (int f = 0; f < maxCards; f ++)
     {
-        if (!mCards[f])
+        if (mCards[f] == 0)
         {
             mCards[f] = card;
             return;
diff --git a/src/resources/item/shopitem.cpp b/src/resources/item/shopitem.cpp
index 0c013ee89..99e0c43dd 100644
--- a/src/resources/item/shopitem.cpp
+++ b/src/resources/item/shopitem.cpp
@@ -102,7 +102,7 @@ void ShopItem::updateDisplayName(const int quantity)
     else
 #endif  // TMWA_SUPPORT
         mDisplayName = std::string(getInfo().getName(mColor));
-    if (mPrice)
+    if (mPrice != 0)
     {
         mDisplayName.append(" (").append(
             UnitsDb::formatCurrency(mCurrency, mPrice)).append(") ");
@@ -138,7 +138,7 @@ void ShopItem::addDuplicate()
 int ShopItem::sellCurrentDuplicate(const int quantity)
 {
     DuplicateItem* dupl = mDuplicates.top();
-    if (!dupl)
+    if (dupl == nullptr)
         return 0;
 
     const int sellCount = quantity <= dupl->quantity
@@ -155,7 +155,7 @@ int ShopItem::sellCurrentDuplicate(const int quantity)
 
 void ShopItem::increaseUsedQuantity(const int amount)
 {
-    if (mShowQuantity && mQuantity)
+    if (mShowQuantity && (mQuantity != 0))
     {
         if (mQuantity < mUsedQuantity + amount ||
             mUsedQuantity + amount < 0)