Added a couple new utility/convenience functions in FileIO and Math

src/Common/Common.pro

@@ -42,7 +42,7 @@ CONFIG (release, debug|release) {
 
     # Release Libs
     LIBS += -L$$BUILD_DIR/FileIO/ -lFileIO \
-            -L$$EXTERNALS_DIR/boost_1_63_0/lib64-msvc-140 -llibboost_filesystem-vc140-mt-1_63 \
+            -L$$EXTERNALS_DIR/boost_1_63_0/lib64-msvc-14.0 -llibboost_filesystem-vc140-mt-1_63 \
             -L$$EXTERNALS_DIR/lzo-2.09/lib -llzo2 \
             -L$$EXTERNALS_DIR/tinyxml2/lib -ltinyxml2 \
             -L$$EXTERNALS_DIR/zlib/lib -lzlib

src/FileIO/IInputStream.cpp

@@ -60,6 +60,14 @@ double IInputStream::ReadDouble()
     return Val;
 }
 
+long IInputStream::ReadFourCC()
+{
+    long Val;
+    ReadBytes(&Val, 4);
+    if (IOUtil::kSystemEndianness == IOUtil::eLittleEndian) IOUtil::SwapBytes(Val);
+    return Val;
+}
+
 std::string IInputStream::ReadString()
 {
     std::string Str;
@@ -166,6 +174,23 @@ double IInputStream::PeekDouble()
     return Val;
 }
 
+long IInputStream::PeekFourCC()
+{
+    long Val = ReadFourCC();
+    Seek(-4, SEEK_CUR);
+    return Val;
+}
+
+bool IInputStream::GoTo(long Address)
+{
+    return Seek(Address, SEEK_SET);
+}
+
+bool IInputStream::Skip(long SkipAmount)
+{
+    return Seek(SkipAmount, SEEK_CUR);
+}
+
 void IInputStream::SeekToBoundary(unsigned long Boundary)
 {
     long Num = Boundary - (Tell() % Boundary);

src/FileIO/IInputStream.h

@@ -19,6 +19,7 @@ public:
     long long ReadLongLong();
     float ReadFloat();
     double ReadDouble();
+    long ReadFourCC();
     std::string ReadString();
     std::string ReadString(unsigned long Count);
     std::string ReadSizedString();
@@ -32,6 +33,10 @@ public:
     long long PeekLongLong();
     float PeekFloat();
     double PeekDouble();
+    long PeekFourCC();
+
+    bool GoTo(long Address);
+    bool Skip(long SkipAmount);
 
     void SeekToBoundary(unsigned long Boundary);
     void SetEndianness(IOUtil::EEndianness Endianness);

src/FileIO/IOutputStream.cpp

@@ -45,6 +45,12 @@ void IOutputStream::WriteDouble(double Val)
     WriteBytes(&Val, 8);
 }
 
+void IOutputStream::WriteFourCC(long Val)
+{
+    if (IOUtil::kSystemEndianness == IOUtil::eLittleEndian) IOUtil::SwapBytes(Val);
+    WriteBytes(&Val, 4);
+}
+
 void IOutputStream::WriteString(const std::string& rkVal)
 {
     for (unsigned int i = 0; i < rkVal.size(); i++)
@@ -93,6 +99,17 @@ void IOutputStream::WriteSizedWideString(const std::wstring& rkVal)
     WriteBytes(rkVal.data(), rkVal.size() * 2);
 }
 
+
+bool IOutputStream::GoTo(long Address)
+{
+    return Seek(Address, SEEK_SET);
+}
+
+bool IOutputStream::Skip(long SkipAmount)
+{
+    return Seek(SkipAmount, SEEK_CUR);
+}
+
 void IOutputStream::WriteToBoundary(unsigned long Boundary, unsigned char Fill)
 {
     long Num = Boundary - (Tell() % Boundary);

src/FileIO/IOutputStream.h

@@ -18,6 +18,7 @@ public:
     void WriteLongLong(long long Val);
     void WriteFloat(float Val);
     void WriteDouble(double Val);
+    void WriteFourCC(long Val);
     void WriteString(const std::string& rkVal);
     void WriteString(const std::string& rkVal, unsigned long Count, bool Terminate = false);
     void WriteSizedString(const std::string& rkVal);
@@ -25,6 +26,9 @@ public:
     void WriteWideString(const std::wstring& rkVal, unsigned long Count, bool Terminate = false);
     void WriteSizedWideString(const std::wstring& rkVal);
 
+    bool GoTo(long Address);
+    bool Skip(long SkipAmount);
+
     void WriteToBoundary(unsigned long Boundary, unsigned char Fill);
     void SetEndianness(IOUtil::EEndianness Endianness);
     void SetDestString(const std::string& rkDest);

src/Math/MathUtil.h

@@ -22,6 +22,14 @@ float DegreesToRadians(float Deg);
 
 float RadiansToDegrees(float Rad);
 
+template<typename Type>
+Type Clamp(const Type& rkMin, const Type& rkMax, const Type& rkVal)
+{
+    return (rkVal < rkMin) ? rkMin :
+           (rkVal > rkMax) ? rkMax :
+                             rkVal;
+}
+
 template<typename Type>
 Type Max(const Type& rkA, const Type& rkB)
 {