Don't use double negation

components/nif/controlled.cpp

@@ -9,7 +9,7 @@ namespace Nif
     {
         Named::read(nif);
 
-        external = !!nif->getChar();
+        external = nif->getChar() != 0;
         if(external)
             filename = nif->getString();
         else

components/nif/nifstream.cpp

@@ -28,7 +28,7 @@ namespace Nif
     ///Currently specific for 4.0.0.2 and earlier
     bool NIFStream::getBoolean()
     {
-        return !!getInt();
+        return getInt() != 0;
     }
 
     ///Read in a string, either from the string table using the index (currently absent) or from the stream using the specified length

components/nif/node.hpp

@@ -44,7 +44,7 @@ public:
         velocity = nif->getVector3();
         props.read(nif);
 
-        hasBounds = !!nif->getInt();
+        hasBounds = nif->getBoolean();
         if(hasBounds)
         {
             nif->getInt(); // always 1