diff --git a/include/LZ77/LZType10.hpp b/include/LZ77/LZType10.hpp
index a3517bc..c613625 100644
--- a/include/LZ77/LZType10.hpp
+++ b/include/LZ77/LZType10.hpp
@@ -6,6 +6,6 @@ class LZType10 : public LZBase {
 public:
   explicit LZType10(atInt32 minimumOffset = 1, atInt32 SlidingWindow = 4096, atInt32 MinimumMatch = 3,
                     atInt32 BlockSize = 8);
-  atUint32 compress(const atUint8* src, atUint8** dstBuf, atUint32 srcLength) override;
-  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLen) override;
+  atUint32 compress(const atUint8* src, atUint8** dstBuf, atUint32 srcLength);
+  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLen);
 };
diff --git a/include/LZ77/LZType11.hpp b/include/LZ77/LZType11.hpp
index 7402319..e5e1c99 100644
--- a/include/LZ77/LZType11.hpp
+++ b/include/LZ77/LZType11.hpp
@@ -6,6 +6,6 @@ class LZType11 : public LZBase {
 public:
   explicit LZType11(atInt32 MinimumOffset = 1, atInt32 SlidingWindow = 4096, atInt32 MinimumMatch = 3,
                     atInt32 BlockSize = 8);
-  atUint32 compress(const atUint8* src, atUint8** dst, atUint32 srcLength) override;
-  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLength) override;
+  atUint32 compress(const atUint8* src, atUint8** dst, atUint32 srcLength);
+  atUint32 decompress(const atUint8* src, atUint8** dst, atUint32 srcLength);
 };
diff --git a/include/athena/DNAOp.hpp b/include/athena/DNAOp.hpp
index 271dd63..a63e550 100644
--- a/include/athena/DNAOp.hpp
+++ b/include/athena/DNAOp.hpp
@@ -56,16 +56,16 @@ constexpr PropId operator"" _propid(const char* s, size_t len) { return {s}; }
 enum class PropType { None, CRC32, CRC64 };
 
 template <class T>
-using __IsPODType = std::disjunction<
+using __IsPODType = typename std::disjunction<
     std::is_arithmetic<std::remove_cv_t<T>>, std::is_convertible<std::remove_cv_t<T>&, atVec2f&>,
     std::is_convertible<std::remove_cv_t<T>&, atVec3f&>, std::is_convertible<std::remove_cv_t<T>&, atVec4f&>,
     std::is_convertible<std::remove_cv_t<T>&, atVec2d&>, std::is_convertible<std::remove_cv_t<T>&, atVec3d&>,
     std::is_convertible<std::remove_cv_t<T>&, atVec4d&>>;
 template <class T>
-constexpr bool __IsPODType_v = __IsPODType<T>::value;
+inline constexpr bool __IsPODType_v = __IsPODType<T>::value;
 
 template <class T>
-using __CastPODType = std::conditional_t<
+using __CastPODType = typename std::conditional_t<
     std::is_convertible_v<std::remove_cv_t<T>&, atVec2f&>, atVec2f,
     std::conditional_t<
         std::is_convertible_v<std::remove_cv_t<T>&, atVec3f&>, atVec3f,
@@ -78,32 +78,32 @@ using __CastPODType = std::conditional_t<
                                                       std::remove_cv_t<T>>>>>>>;
 
 template <Endian DNAE>
-uint16_t __Read16(IStreamReader& r) {
+inline uint16_t __Read16(IStreamReader& r) {
   return DNAE == Endian::Big ? r.readUint16Big() : r.readUint16Little();
 }
 
 template <Endian DNAE>
-void __Write16(IStreamWriter& w, uint16_t v) {
+inline void __Write16(IStreamWriter& w, uint16_t v) {
   DNAE == Endian::Big ? w.writeUint16Big(v) : w.writeUint16Little(v);
 }
 
 template <Endian DNAE>
-uint32_t __Read32(IStreamReader& r) {
+inline uint32_t __Read32(IStreamReader& r) {
   return DNAE == Endian::Big ? r.readUint32Big() : r.readUint32Little();
 }
 
 template <Endian DNAE>
-void __Write32(IStreamWriter& w, uint32_t v) {
+inline void __Write32(IStreamWriter& w, uint32_t v) {
   DNAE == Endian::Big ? w.writeUint32Big(v) : w.writeUint32Little(v);
 }
 
 template <Endian DNAE>
-uint64_t __Read64(IStreamReader& r) {
+inline uint64_t __Read64(IStreamReader& r) {
   return DNAE == Endian::Big ? r.readUint64Big() : r.readUint64Little();
 }
 
 template <Endian DNAE>
-void __Write64(IStreamWriter& w, uint64_t v) {
+inline void __Write64(IStreamWriter& w, uint64_t v) {
   DNAE == Endian::Big ? w.writeUint64Big(v) : w.writeUint64Little(v);
 }
 
@@ -112,7 +112,7 @@ struct BinarySize {
   using PropT = std::conditional_t<PropOp == PropType::CRC64, uint64_t, uint32_t>;
   using StreamT = size_t;
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& s) {
+  static typename std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& s) {
     if (PropOp != PropType::None) {
       /* Accessed via Enumerate, header */
       s += 6;
@@ -121,7 +121,7 @@ struct BinarySize {
     BinarySize<PropType::None>::Do<PODType, DNAE>(id, *reinterpret_cast<PODType*>(&var), s);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& s) {
+  static typename std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& s) {
     if (PropOp != PropType::None) {
       /* Accessed via Enumerate, header */
       s += 6;
@@ -130,17 +130,19 @@ struct BinarySize {
     BinarySize<PropType::None>::Do<CastT, DNAE>(id, static_cast<CastT&>(const_cast<std::remove_cv_t<T>&>(var)), s);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord_v<T> && PropOp != PropType::None> Do(const PropId& id, T& var, StreamT& s) {
+  static typename std::enable_if_t<__IsDNARecord_v<T> && PropOp != PropType::None> Do(const PropId& id, T& var,
+                                                                                      StreamT& s) {
     /* Accessed via Enumerate, header */
     s += 6;
     var.template Enumerate<BinarySize<PropOp>>(s);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord_v<T> && PropOp == PropType::None> Do(const PropId& id, T& var, StreamT& s) {
+  static typename std::enable_if_t<__IsDNARecord_v<T> && PropOp == PropType::None> Do(const PropId& id, T& var,
+                                                                                      StreamT& s) {
     var.template Enumerate<BinarySize<PropType::None>>(s);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& s) {
+  static typename std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& s) {
     for (auto& v : var)
       BinarySize<PropOp>::Do<std::remove_reference_t<decltype(v)>, DNAE>(id, v, s);
   }
@@ -149,14 +151,14 @@ struct BinarySize {
     BinarySize<PropOp>::Do<T, DNAE>(id, var, s);
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                       StreamT& s) {
+  static typename std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector,
+                                                                const S& count, StreamT& s) {
     for (T& v : vector)
       BinarySize<PropOp>::Do<T, DNAE>(id, v, s);
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                      StreamT& s) {
+  static typename std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
+                                                               StreamT& s) {
     /* libc++ specializes vector<bool> as a bitstream */
     s += vector.size();
   }
@@ -165,7 +167,7 @@ struct BinarySize {
       s += count;
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& s) {
+  static typename std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& s) {
     s += str.size() + 1;
   }
   static void Do(const PropId& id, std::string& str, atInt32 count, StreamT& s) {
@@ -175,7 +177,7 @@ struct BinarySize {
       s += count;
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& s) {
+  static typename std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& s) {
     s += str.size() * 2 + 2;
   }
   template <Endian DNAE>
@@ -261,7 +263,7 @@ struct PropCount {
     s += 1;
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& s) {
+  static typename std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& s) {
     /* Only reports one level of properties */
     s += 1;
   }
@@ -270,7 +272,7 @@ struct PropCount {
     s += 1;
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& s) {
+  static typename std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& s) {
     /* Only reports one level of properties */
     s += 1;
   }
@@ -288,21 +290,23 @@ struct Read {
   using PropT = std::conditional_t<PropOp == PropType::CRC64, uint64_t, uint32_t>;
   using StreamT = IStreamReader;
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& r) {
     using PODType = std::underlying_type_t<T>;
     Read<PropType::None>::Do<PODType, DNAE>(id, *reinterpret_cast<PODType*>(&var), r);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& r) {
     using CastT = __CastPODType<T>;
     Read<PropType::None>::Do<CastT, DNAE>(id, static_cast<CastT&>(var), r);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord<T>() && PropOp == PropType::None> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<__IsDNARecord<T>() && PropOp == PropType::None> Do(const PropId& id, T& var,
+                                                                                      StreamT& r) {
     var.template Enumerate<Read<PropType::None>>(r);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord<T>() && PropOp != PropType::None> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<__IsDNARecord<T>() && PropOp != PropType::None> Do(const PropId& id, T& var,
+                                                                                      StreamT& r) {
     /* Accessed via Lookup, no header */
     atUint16 propCount = __Read16<T::DNAEndian>(r);
     for (atUint32 i = 0; i < propCount; ++i) {
@@ -320,7 +324,7 @@ struct Read {
     }
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& s) {
+  static typename std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& s) {
     for (auto& v : var)
       Read<PropOp>::Do<std::remove_reference_t<decltype(v)>, DNAE>(id, v, s);
   }
@@ -329,8 +333,8 @@ struct Read {
     Read<PropOp>::Do<T, DNAE>(id, var, s);
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                       StreamT& r) {
+  static typename std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector,
+                                                                const S& count, StreamT& r) {
     vector.clear();
     vector.reserve(count);
     for (size_t i = 0; i < static_cast<size_t>(count); ++i) {
@@ -339,8 +343,8 @@ struct Read {
     }
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                      StreamT& r) {
+  static typename std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
+                                                               StreamT& r) {
     /* libc++ specializes vector<bool> as a bitstream */
     vector.clear();
     vector.reserve(count);
@@ -352,12 +356,12 @@ struct Read {
     r.readUBytesToBuf(buf.get(), count);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& r) {
+  static typename std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& r) {
     str = r.readString();
   }
   static void Do(const PropId& id, std::string& str, atInt32 count, StreamT& r) { str = r.readString(count); }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& r) {
+  static typename std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& r) {
     Read<PropType::None>::Do<DNAE>(id, str, r);
   }
   template <Endian DNAE>
@@ -425,7 +429,7 @@ struct Write {
   using PropT = std::conditional_t<PropOp == PropType::CRC64, uint64_t, uint32_t>;
   using StreamT = IStreamWriter;
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& w) {
     if (PropOp != PropType::None) {
       /* Accessed via Enumerate, header */
       if (PropOp == PropType::CRC64)
@@ -440,7 +444,7 @@ struct Write {
     Write<PropType::None>::Do<PODType, DNAE>(id, *reinterpret_cast<PODType*>(&var), w);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& w) {
     using CastT = __CastPODType<T>;
     if (PropOp != PropType::None) {
       /* Accessed via Enumerate, header */
@@ -456,7 +460,8 @@ struct Write {
     Write<PropType::None>::Do<CastT, DNAE>(id, static_cast<CastT&>(const_cast<std::remove_cv_t<T>&>(var)), w);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord<T>() && PropOp != PropType::None> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<__IsDNARecord<T>() && PropOp != PropType::None> Do(const PropId& id, T& var,
+                                                                                      StreamT& w) {
     /* Accessed via Enumerate, header */
     if (PropOp == PropType::CRC64)
       __Write64<T::DNAEndian>(w, id.crc64);
@@ -472,11 +477,12 @@ struct Write {
     var.template Enumerate<Write<PropOp>>(w);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord<T>() && PropOp == PropType::None> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<__IsDNARecord<T>() && PropOp == PropType::None> Do(const PropId& id, T& var,
+                                                                                      StreamT& w) {
     var.template Enumerate<Write<PropType::None>>(w);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& s) {
+  static typename std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& s) {
     for (auto& v : var)
       Write<PropOp>::Do<std::remove_reference_t<decltype(v)>, DNAE>(id, v, s);
   }
@@ -485,14 +491,14 @@ struct Write {
     Write<PropOp>::Do<T, DNAE>(id, var, s);
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                       StreamT& w) {
+  static typename std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector,
+                                                                const S& count, StreamT& w) {
     for (T& v : vector)
       Write<PropOp>::Do<T, DNAE>(id, v, w);
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                      StreamT& w) {
+  static typename std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
+                                                               StreamT& w) {
     /* libc++ specializes vector<bool> as a bitstream */
     for (const T& v : vector)
       w.writeBool(v);
@@ -502,12 +508,13 @@ struct Write {
       w.writeUBytes(buf.get(), count);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, std::string& str, StreamT& w) {
+  static typename std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, std::string& str, StreamT& w) {
     w.writeString(str);
   }
   static void Do(const PropId& id, std::string& str, atInt32 count, StreamT& w) { w.writeString(str, count); }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, std::wstring& str, StreamT& w) {
+  static typename std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, std::wstring& str,
+                                                                       StreamT& w) {
     Write<PropType::None>::Do<DNAE>(id, str, w);
   }
   template <Endian DNAE>
@@ -573,22 +580,22 @@ struct ReadYaml {
   using PropT = std::conditional_t<PropOp == PropType::CRC64, uint64_t, uint32_t>;
   using StreamT = YAMLDocReader;
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& r) {
     using PODType = std::underlying_type_t<T>;
     ReadYaml<PropType::None>::Do<PODType, DNAE>(id, *reinterpret_cast<PODType*>(&var), r);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& r) {
     using CastT = __CastPODType<T>;
     ReadYaml<PropType::None>::Do<CastT, DNAE>(id, static_cast<CastT&>(var), r);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord_v<T>> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<__IsDNARecord_v<T>> Do(const PropId& id, T& var, StreamT& r) {
     if (auto rec = r.enterSubRecord(id.name))
       var.template Enumerate<ReadYaml<PropOp>>(r);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& r) {
+  static typename std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& r) {
     size_t _count;
     if (auto __v = r.enterSubVector(id.name, _count))
       for (size_t i = 0; i < _count && i < std::extent_v<T>; ++i)
@@ -599,8 +606,8 @@ struct ReadYaml {
     /* Squelch size field access */
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                       StreamT& r) {
+  static typename std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector,
+                                                                const S& count, StreamT& r) {
     size_t _count;
     vector.clear();
     if (auto __v = r.enterSubVector(id.name, _count)) {
@@ -614,8 +621,8 @@ struct ReadYaml {
     const_cast<S&>(count) = vector.size();
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                      StreamT& r) {
+  static typename std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
+                                                               StreamT& r) {
     /* libc++ specializes vector<bool> as a bitstream */
     size_t _count;
     vector.clear();
@@ -631,12 +638,12 @@ struct ReadYaml {
     buf = r.readUBytes(id.name);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& r) {
+  static typename std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& r) {
     str = r.readString(id.name);
   }
   static void Do(const PropId& id, std::string& str, atInt32 count, StreamT& r) { str = r.readString(id.name); }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& r) {
+  static typename std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& r) {
     str = r.readWString(id.name);
   }
   template <Endian DNAE>
@@ -690,22 +697,22 @@ struct WriteYaml {
   using PropT = std::conditional_t<PropOp == PropType::CRC64, uint64_t, uint32_t>;
   using StreamT = YAMLDocWriter;
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<std::is_enum_v<T>> Do(const PropId& id, T& var, StreamT& w) {
     using PODType = std::underlying_type_t<T>;
     WriteYaml<PropType::None>::Do<PODType, DNAE>(id, *reinterpret_cast<PODType*>(&var), w);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<__IsPODType_v<T>> Do(const PropId& id, T& var, StreamT& w) {
     using CastT = __CastPODType<T>;
     WriteYaml<PropType::None>::Do<CastT, DNAE>(id, static_cast<CastT&>(const_cast<std::remove_cv_t<T>&>(var)), w);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<__IsDNARecord_v<T>> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<__IsDNARecord_v<T>> Do(const PropId& id, T& var, StreamT& w) {
     if (auto rec = w.enterSubRecord(id.name))
       var.template Enumerate<WriteYaml<PropOp>>(w);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& w) {
+  static typename std::enable_if_t<std::is_array_v<T>> Do(const PropId& id, T& var, StreamT& w) {
     if (auto __v = w.enterSubVector(id.name))
       for (auto& v : var)
         WriteYaml<PropOp>::Do<std::remove_reference_t<decltype(v)>, DNAE>({}, v, w);
@@ -715,15 +722,15 @@ struct WriteYaml {
     /* Squelch size field access */
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                       StreamT& w) {
+  static typename std::enable_if_t<!std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector,
+                                                                const S& count, StreamT& w) {
     if (auto __v = w.enterSubVector(id.name))
       for (T& v : vector)
         WriteYaml<PropOp>::Do<T, DNAE>(id, v, w);
   }
   template <class T, class S, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
-                                                      StreamT& w) {
+  static typename std::enable_if_t<std::is_same_v<T, bool>> Do(const PropId& id, std::vector<T>& vector, const S& count,
+                                                               StreamT& w) {
     /* libc++ specializes vector<bool> as a bitstream */
     if (auto __v = w.enterSubVector(id.name))
       for (const T& v : vector)
@@ -733,12 +740,12 @@ struct WriteYaml {
     w.writeUBytes(id.name, buf, count);
   }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& w) {
+  static typename std::enable_if_t<std::is_same_v<T, std::string>> Do(const PropId& id, T& str, StreamT& w) {
     w.writeString(id.name, str);
   }
   static void Do(const PropId& id, std::string& str, atInt32 count, StreamT& w) { w.writeString(id.name, str); }
   template <class T, Endian DNAE>
-  static std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& w) {
+  static typename std::enable_if_t<std::is_same_v<T, std::wstring>> Do(const PropId& id, T& str, StreamT& w) {
     w.writeWString(id.name, str);
   }
   template <Endian DNAE>
@@ -788,77 +795,77 @@ __WRITE_YAML_S(atVec4f, Endian::Little) { w.writeVec4f(id.name, var); }
 __WRITE_YAML_S(atVec4d, Endian::Little) { w.writeVec4d(id.name, var); }
 
 template <class Op, class T, Endian DNAE>
-void __Do(const PropId& id, T& var, typename Op::StreamT& s) {
+inline void __Do(const PropId& id, T& var, typename Op::StreamT& s) {
   Op::template Do<T, DNAE>(id, var, s);
 }
 
 template <class Op, class T, Endian DNAE>
-void __DoSize(const PropId& id, T& var, typename Op::StreamT& s) {
+inline void __DoSize(const PropId& id, T& var, typename Op::StreamT& s) {
   Op::template DoSize<T, DNAE>(id, var, s);
 }
 
 template <class Op, class T, class S, Endian DNAE>
-void __Do(const PropId& id, std::vector<T>& vector, const S& count, typename Op::StreamT& s) {
+inline void __Do(const PropId& id, std::vector<T>& vector, const S& count, typename Op::StreamT& s) {
   Op::template Do<T, S, DNAE>(id, vector, count, s);
 }
 
 template <class Op>
-void __Do(const PropId& id, std::unique_ptr<atUint8[]>& buf, size_t count, typename Op::StreamT& s) {
+inline void __Do(const PropId& id, std::unique_ptr<atUint8[]>& buf, size_t count, typename Op::StreamT& s) {
   Op::Do(id, buf, count, s);
 }
 
 template <class Op>
-void __Do(const PropId& id, std::string& str, atInt32 count, typename Op::StreamT& s) {
+inline void __Do(const PropId& id, std::string& str, atInt32 count, typename Op::StreamT& s) {
   Op::Do(id, str, count, s);
 }
 
 template <class Op, Endian DNAE>
-void __Do(const PropId& id, std::wstring& str, atInt32 count, typename Op::StreamT& s) {
+inline void __Do(const PropId& id, std::wstring& str, atInt32 count, typename Op::StreamT& s) {
   Op::template Do<DNAE>(id, str, count, s);
 }
 
 template <class Op>
-void __DoSeek(atInt64 delta, athena::SeekOrigin whence, typename Op::StreamT& s) {
+inline void __DoSeek(atInt64 delta, athena::SeekOrigin whence, typename Op::StreamT& s) {
   Op::DoSeek(delta, whence, s);
 }
 
 template <class Op>
-void __DoAlign(atInt64 amount, typename Op::StreamT& s) {
+inline void __DoAlign(atInt64 amount, typename Op::StreamT& s) {
   Op::DoAlign(amount, s);
 }
 
 template <class T>
-void __Read(T& obj, athena::io::IStreamReader& r) {
+inline void __Read(T& obj, athena::io::IStreamReader& r) {
   __Do<Read<PropType::None>, T, T::DNAEndian>({}, obj, r);
 }
 
 template <class T>
-void __Write(const T& obj, athena::io::IStreamWriter& w) {
+inline void __Write(const T& obj, athena::io::IStreamWriter& w) {
   __Do<Write<PropType::None>, T, T::DNAEndian>({}, const_cast<T&>(obj), w);
 }
 
 template <class T>
-void __BinarySize(const T& obj, size_t& s) {
+inline void __BinarySize(const T& obj, size_t& s) {
   __Do<BinarySize<PropType::None>, T, T::DNAEndian>({}, const_cast<T&>(obj), s);
 }
 
 template <class T>
-void __PropCount(const T& obj, size_t& s) {
+inline void __PropCount(const T& obj, size_t& s) {
   const_cast<T&>(obj).template Enumerate<PropCount<PropType::None>>(s);
 }
 
 template <class T>
-void __ReadYaml(T& obj, athena::io::YAMLDocReader& r) {
+inline void __ReadYaml(T& obj, athena::io::YAMLDocReader& r) {
   obj.template Enumerate<ReadYaml<PropType::None>>(r);
 }
 
 template <class T>
-void __WriteYaml(const T& obj, athena::io::YAMLDocWriter& w) {
+inline void __WriteYaml(const T& obj, athena::io::YAMLDocWriter& w) {
   const_cast<T&>(obj).template Enumerate<WriteYaml<PropType::None>>(w);
 }
 
 template <class T>
-void __ReadProp(T& obj, athena::io::IStreamReader& r) {
+inline void __ReadProp(T& obj, athena::io::IStreamReader& r) {
   /* Read root 0xffffffff hash (hashed empty string) */
   T::DNAEndian == Endian::Big ? r.readUint32Big() : r.readUint32Little();
   atInt64 size = T::DNAEndian == Endian::Big ? r.readUint16Big() : r.readUint16Little();
@@ -870,17 +877,17 @@ void __ReadProp(T& obj, athena::io::IStreamReader& r) {
 }
 
 template <class T>
-void __WriteProp(const T& obj, athena::io::IStreamWriter& w) {
+inline void __WriteProp(const T& obj, athena::io::IStreamWriter& w) {
   __Do<Write<PropType::CRC32>, T, T::DNAEndian>({}, const_cast<T&>(obj), w);
 }
 
 template <class T>
-void __BinarySizeProp(const T& obj, size_t& s) {
+inline void __BinarySizeProp(const T& obj, size_t& s) {
   __Do<BinarySize<PropType::CRC32>, T, T::DNAEndian>({}, const_cast<T&>(obj), s);
 }
 
 template <class T>
-void __ReadProp64(T& obj, athena::io::IStreamReader& r) {
+inline void __ReadProp64(T& obj, athena::io::IStreamReader& r) {
   /* Read root 0x0 hash (hashed empty string) */
   T::DNAEndian == Endian::Big ? r.readUint64Big() : r.readUint64Little();
   atInt64 size = T::DNAEndian == Endian::Big ? r.readUint16Big() : r.readUint16Little();
@@ -892,12 +899,12 @@ void __ReadProp64(T& obj, athena::io::IStreamReader& r) {
 }
 
 template <class T>
-void __WriteProp64(const T& obj, athena::io::IStreamWriter& w) {
+inline void __WriteProp64(const T& obj, athena::io::IStreamWriter& w) {
   __Do<Write<PropType::CRC64>, T, T::DNAEndian>({}, const_cast<T&>(obj), w);
 }
 
 template <class T>
-void __BinarySizeProp64(const T& obj, size_t& s) {
+inline void __BinarySizeProp64(const T& obj, size_t& s) {
   __Do<BinarySize<PropType::CRC64>, T, T::DNAEndian>({}, const_cast<T&>(obj), s);
 }
 
diff --git a/include/athena/DNAYaml.hpp b/include/athena/DNAYaml.hpp
index 0ca0ad4..01d8dc7 100644
--- a/include/athena/DNAYaml.hpp
+++ b/include/athena/DNAYaml.hpp
@@ -9,17 +9,17 @@
 namespace athena::io {
 
 template <class T>
-const char* __GetDNAName(const T& dna, std::enable_if_t<athena::io::__IsDNAVRecord_v<T>>* = nullptr) {
+inline const char* __GetDNAName(const T& dna, typename std::enable_if_t<athena::io::__IsDNAVRecord_v<T>>* = 0) {
   return dna.DNATypeV();
 }
 
 template <class T>
-const char* __GetDNAName(const T& dna, std::enable_if_t<!athena::io::__IsDNAVRecord_v<T>>* = nullptr) {
+inline const char* __GetDNAName(const T& dna, typename std::enable_if_t<!athena::io::__IsDNAVRecord_v<T>>* = 0) {
   return dna.DNAType();
 }
 
 template <class T>
-std::string ToYAMLString(const T& dna) {
+inline std::string ToYAMLString(const T& dna) {
   YAMLDocWriter docWriter(__GetDNAName(dna));
 
   std::string res;
@@ -35,7 +35,7 @@ std::string ToYAMLString(const T& dna) {
 }
 
 template <class T>
-bool FromYAMLString(T& dna, std::string_view str) {
+inline bool FromYAMLString(T& dna, std::string_view str) {
   YAMLStdStringViewReaderState reader(str);
   YAMLDocReader docReader;
   yaml_parser_set_input(docReader.getParser(), (yaml_read_handler_t*)YAMLStdStringReader, &reader);
@@ -46,7 +46,7 @@ bool FromYAMLString(T& dna, std::string_view str) {
 }
 
 template <class DNASubtype>
-bool ValidateFromYAMLString(std::string_view str) {
+inline bool ValidateFromYAMLString(std::string_view str) {
   YAMLStdStringViewReaderState reader(str);
   YAMLDocReader docReader;
   yaml_parser_set_input(docReader.getParser(), (yaml_read_handler_t*)YAMLStdStringReader, &reader);
@@ -55,7 +55,7 @@ bool ValidateFromYAMLString(std::string_view str) {
 }
 
 template <class T>
-bool ToYAMLStream(const T& dna, athena::io::IStreamWriter& fout) {
+inline bool ToYAMLStream(const T& dna, athena::io::IStreamWriter& fout) {
   YAMLDocWriter docWriter(__GetDNAName(dna));
 
   yaml_emitter_set_unicode(docWriter.getEmitter(), true);
@@ -66,7 +66,8 @@ bool ToYAMLStream(const T& dna, athena::io::IStreamWriter& fout) {
 }
 
 template <class T>
-bool ToYAMLStream(const T& dna, athena::io::IStreamWriter& fout, void (T::*fn)(YAMLDocWriter& out) const) {
+inline bool ToYAMLStream(const T& dna, athena::io::IStreamWriter& fout,
+                         void (T::*fn)(YAMLDocWriter& out) const) {
   YAMLDocWriter docWriter(__GetDNAName(dna));
 
   yaml_emitter_set_unicode(docWriter.getEmitter(), true);
@@ -77,7 +78,7 @@ bool ToYAMLStream(const T& dna, athena::io::IStreamWriter& fout, void (T::*fn)(Y
 }
 
 template <class T>
-bool FromYAMLStream(T& dna, athena::io::IStreamReader& fin) {
+inline bool FromYAMLStream(T& dna, athena::io::IStreamReader& fin) {
   YAMLDocReader docReader;
   if (!docReader.parse(&fin))
     return false;
@@ -86,7 +87,7 @@ bool FromYAMLStream(T& dna, athena::io::IStreamReader& fin) {
 }
 
 template <class T>
-bool FromYAMLStream(T& dna, athena::io::IStreamReader& fin, void (T::*fn)(YAMLDocReader& in)) {
+inline bool FromYAMLStream(T& dna, athena::io::IStreamReader& fin, void (T::*fn)(YAMLDocReader& in)) {
   YAMLDocReader docReader;
   if (!docReader.parse(&fin))
     return false;
@@ -95,7 +96,7 @@ bool FromYAMLStream(T& dna, athena::io::IStreamReader& fin, void (T::*fn)(YAMLDo
 }
 
 template <class T, typename NameT>
-bool MergeToYAMLFile(const T& dna, const NameT& filename) {
+inline bool MergeToYAMLFile(const T& dna, const NameT& filename) {
   athena::io::FileReader r(filename);
   YAMLDocWriter docWriter(__GetDNAName(dna), r.isOpen() ? &r : nullptr);
   r.close();
@@ -108,7 +109,7 @@ bool MergeToYAMLFile(const T& dna, const NameT& filename) {
 }
 
 template <class DNASubtype>
-bool ValidateFromYAMLStream(athena::io::IStreamReader& fin) {
+inline bool ValidateFromYAMLStream(athena::io::IStreamReader& fin) {
   YAMLDocReader reader;
   atUint64 pos = fin.position();
   yaml_parser_set_input(reader.getParser(), (yaml_read_handler_t*)YAMLAthenaReader, &fin);
diff --git a/include/athena/Dir.hpp b/include/athena/Dir.hpp
index 413800c..e18d080 100644
--- a/include/athena/Dir.hpp
+++ b/include/athena/Dir.hpp
@@ -14,7 +14,7 @@ public:
   explicit Dir(std::string_view path);
 
   std::string absolutePath() const;
-  static std::string absolutePath(std::string_view path) { return Dir(path).absolutePath(); }
+  static inline std::string absolutePath(std::string_view path) { return Dir(path).absolutePath(); }
 
   bool isDir() const;
   static bool isDir(std::string_view dir) { return Dir(dir).isDir(); }
diff --git a/include/athena/FileInfo.hpp b/include/athena/FileInfo.hpp
index 58cc753..1b8e01b 100644
--- a/include/athena/FileInfo.hpp
+++ b/include/athena/FileInfo.hpp
@@ -10,33 +10,33 @@ public:
   explicit FileInfo(std::string_view path = {});
 
   std::string absolutePath() const;
-  static std::string absolutePath(std::string_view lnk) { return FileInfo(lnk).absolutePath(); }
+  static inline std::string absolutePath(std::string_view lnk) { return FileInfo(lnk).absolutePath(); }
 
   std::string absoluteFilePath() const;
-  static std::string absoluteFilePath(std::string_view path) { return FileInfo(path).absoluteFilePath(); }
+  static inline std::string absoluteFilePath(std::string_view path) { return FileInfo(path).absoluteFilePath(); }
 
   std::string filename() const;
-  static std::string filename(std::string_view path) { return FileInfo(path).filename(); }
+  static inline std::string filename(std::string_view path) { return FileInfo(path).filename(); }
 
   std::string path() const { return m_path; }
-  static std::string path(std::string_view path) { return FileInfo(path).path(); }
+  static inline std::string path(std::string_view path) { return FileInfo(path).path(); }
 
   std::string extension() const;
-  static std::string extension(std::string_view path) { return FileInfo(path).extension(); }
+  static inline std::string extension(std::string_view path) { return FileInfo(path).extension(); }
 
   atUint64 size() const;
-  static atUint64 size(std::string_view path) { return FileInfo(path).size(); }
+  static inline atUint64 size(std::string_view path) { return FileInfo(path).size(); }
 
   bool exists() const;
-  static bool exists(std::string_view path) { return FileInfo(path).exists(); }
+  static inline bool exists(std::string_view path) { return FileInfo(path).exists(); }
 
   bool isLink() const;
-  static bool isLink(std::string_view lnk) { return FileInfo(lnk).isLink(); }
+  static inline bool isLink(std::string_view lnk) { return FileInfo(lnk).isLink(); }
   bool isFile() const;
-  static bool isFile(std::string_view path) { return FileInfo(path).isFile(); }
+  static inline bool isFile(std::string_view path) { return FileInfo(path).isFile(); }
 
   bool touch() const;
-  static bool touch(std::string_view path) { return FileInfo(path).touch(); }
+  static inline bool touch(std::string_view path) { return FileInfo(path).touch(); }
 
 private:
   std::string m_path;
diff --git a/include/athena/FileReader.hpp b/include/athena/FileReader.hpp
index 123b3ab..16e1f7f 100644
--- a/include/athena/FileReader.hpp
+++ b/include/athena/FileReader.hpp
@@ -18,9 +18,9 @@ class FileReader : public IStreamReader {
 public:
   FileReader(std::string_view filename, atInt32 cacheSize = (32 * 1024), bool globalErr = true);
   FileReader(std::wstring_view filename, atInt32 cacheSize = (32 * 1024), bool globalErr = true);
-  ~FileReader() override;
+  virtual ~FileReader();
 
-  std::string filename() const {
+  inline std::string filename() const {
 #if _WIN32
     return utility::wideToUtf8(m_filename);
 #else
@@ -28,7 +28,7 @@ public:
 #endif
   }
 
-  std::wstring wfilename() const {
+  inline std::wstring wfilename() const {
 #if _WIN32
     return m_filename;
 #else
@@ -38,12 +38,12 @@ public:
 
   void open();
   void close();
-  bool isOpen() const { return m_fileHandle != 0; }
+  inline bool isOpen() const { return m_fileHandle != 0; }
   bool save();
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
-  atUint64 position() const override;
-  atUint64 length() const override;
-  atUint64 readUBytesToBuf(void* buf, atUint64 len) override;
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
+  atUint64 position() const;
+  atUint64 length() const;
+  atUint64 readUBytesToBuf(void* buf, atUint64 len);
 
   void setCacheSize(const atInt32 blockSize);
 
diff --git a/include/athena/FileWriter.hpp b/include/athena/FileWriter.hpp
index a095d9b..3d8cf38 100644
--- a/include/athena/FileWriter.hpp
+++ b/include/athena/FileWriter.hpp
@@ -15,16 +15,16 @@ class FileWriter : public IStreamWriter {
 public:
   FileWriter(std::string_view filename, bool overwrite = true, bool globalErr = true);
   FileWriter(std::wstring_view filename, bool overwrite = true, bool globalErr = true);
-  ~FileWriter() override;
+  virtual ~FileWriter();
 
-  std::string filename() const {
+  inline std::string filename() const {
 #if _WIN32
     return utility::wideToUtf8(m_filename);
 #else
     return m_filename;
 #endif
   }
-  std::wstring wfilename() const {
+  inline std::wstring wfilename() const {
 #if _WIN32
     return m_filename;
 #else
@@ -34,11 +34,11 @@ public:
 
   void open(bool overwrite = true);
   void close();
-  bool isOpen() const { return m_fileHandle != 0; }
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
-  atUint64 position() const override;
-  atUint64 length() const override;
-  void writeUBytes(const atUint8* data, atUint64 len) override;
+  inline bool isOpen() const { return m_fileHandle != 0; }
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
+  atUint64 position() const;
+  atUint64 length() const;
+  void writeUBytes(const atUint8* data, atUint64 len);
 
 #if _WIN32
   using HandleType = HANDLE;
@@ -99,12 +99,12 @@ public:
     m_position = 0;
   }
 
-  atUint64 position() const override { return m_position; }
-  atUint64 length() const override { return m_deferredBuffer.size(); }
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
-  void writeUBytes(const atUint8* data, atUint64 len) override;
+  inline atUint64 position() const { return m_position; }
+  inline atUint64 length() const { return m_deferredBuffer.size(); }
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
+  void writeUBytes(const atUint8* data, atUint64 len);
 
-  ~TransactionalFileWriter() override { flush(); }
+  ~TransactionalFileWriter() { flush(); }
 };
 } // namespace athena::io
 
diff --git a/include/athena/Global.hpp b/include/athena/Global.hpp
index f15df4b..02b5309 100644
--- a/include/athena/Global.hpp
+++ b/include/athena/Global.hpp
@@ -134,15 +134,16 @@ template <Endian DNAE>
 struct DNAV;
 
 template <class T>
-using __IsDNARecord = std::disjunction<std::is_base_of<DNA<Endian::Big>, T>, std::is_base_of<DNA<Endian::Little>, T>>;
+using __IsDNARecord =
+    typename std::disjunction<std::is_base_of<DNA<Endian::Big>, T>, std::is_base_of<DNA<Endian::Little>, T>>;
 template <class T>
-constexpr bool __IsDNARecord_v = __IsDNARecord<T>::value;
+inline constexpr bool __IsDNARecord_v = __IsDNARecord<T>::value;
 
 template <class T>
 using __IsDNAVRecord =
-    std::disjunction<std::is_base_of<DNAV<Endian::Big>, T>, std::is_base_of<DNAV<Endian::Little>, T>>;
+    typename std::disjunction<std::is_base_of<DNAV<Endian::Big>, T>, std::is_base_of<DNAV<Endian::Little>, T>>;
 template <class T>
-constexpr bool __IsDNAVRecord_v = __IsDNAVRecord<T>::value;
+inline constexpr bool __IsDNAVRecord_v = __IsDNAVRecord<T>::value;
 } // namespace io
 } // namespace athena
 
@@ -162,7 +163,7 @@ std::ostream& operator<<(std::ostream& os, const athena::Endian& endian);
 template <typename First, typename... Rest>
 constexpr auto __FIRST_ARG__(First first, Rest...) { return first; }
 template <typename S, typename... Args>
-auto __make_args_checked__(const S& format_str, Args&&... args) {
+inline auto __make_args_checked__(const S& format_str, Args&&... args) {
   return fmt::internal::make_args_checked<Args...>(format_str, std::forward<Args>(args)...);
 }
 
diff --git a/include/athena/IStreamReader.hpp b/include/athena/IStreamReader.hpp
index 66ef6e4..752576e 100644
--- a/include/athena/IStreamReader.hpp
+++ b/include/athena/IStreamReader.hpp
@@ -15,14 +15,14 @@ namespace athena::io {
  */
 class IStreamReader : public IStream {
 public:
-  ~IStreamReader() override = default;
+  virtual ~IStreamReader() = default;
 
   /** @brief Sets the buffers position relative to the specified position.<br />
    *         It seeks relative to the current position by default.
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek relative to
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override = 0;
+  virtual void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) = 0;
 
   /** @brief Sets the buffer's position relative to the next 64-byte aligned position.<br />
    */
@@ -44,19 +44,19 @@ public:
    *
    *  @return True if at end; False otherwise.
    */
-  bool atEnd() const override { return position() >= length(); }
+  bool atEnd() const { return position() >= length(); }
 
   /** @brief Returns the current position in the stream.
    *
    *  @return The current position in the stream.
    */
-  atUint64 position() const override = 0;
+  virtual atUint64 position() const = 0;
 
   /** @brief Returns the length of the file.
    *
    *  @return True length of the file.
    */
-  atUint64 length() const override = 0;
+  virtual atUint64 length() const = 0;
 
   /** @brief Reads a byte at the current position and advances the current position
    *
@@ -68,15 +68,15 @@ public:
     return val;
   }
   template <class T>
-  atInt8 readVal(std::enable_if_t<std::is_same_v<T, atInt8>>* = nullptr) {
+  atInt8 readVal(typename std::enable_if<std::is_same<T, atInt8>::value>::type* = 0) {
     return readByte();
   }
   template <class T>
-  atInt8 readValLittle(std::enable_if_t<std::is_same_v<T, atInt8>>* = nullptr) {
+  atInt8 readValLittle(typename std::enable_if<std::is_same<T, atInt8>::value>::type* = 0) {
     return readByte();
   }
   template <class T>
-  atInt8 readValBig(std::enable_if_t<std::is_same_v<T, atInt8>>* = nullptr) {
+  atInt8 readValBig(typename std::enable_if<std::is_same<T, atInt8>::value>::type* = 0) {
     return readByte();
   }
 
@@ -86,15 +86,15 @@ public:
    */
   atUint8 readUByte() { return readByte(); }
   template <class T>
-  atUint8 readVal(std::enable_if_t<std::is_same_v<T, atUint8>>* = nullptr) {
+  atUint8 readVal(typename std::enable_if<std::is_same<T, atUint8>::value>::type* = 0) {
     return readUByte();
   }
   template <class T>
-  atUint8 readValLittle(std::enable_if_t<std::is_same_v<T, atUint8>>* = nullptr) {
+  atUint8 readValLittle(typename std::enable_if<std::is_same<T, atUint8>::value>::type* = 0) {
     return readUByte();
   }
   template <class T>
-  atUint8 readValBig(std::enable_if_t<std::is_same_v<T, atUint8>>* = nullptr) {
+  atUint8 readValBig(typename std::enable_if<std::is_same<T, atUint8>::value>::type* = 0) {
     return readUByte();
   }
 
@@ -144,7 +144,7 @@ public:
     return m_endian == Big ? utility::BigInt16(val) : utility::LittleInt16(val);
   }
   template <class T>
-  atInt16 readVal(std::enable_if_t<std::is_same_v<T, atInt16>>* = nullptr) {
+  atInt16 readVal(typename std::enable_if<std::is_same<T, atInt16>::value>::type* = 0) {
     return readInt16();
   }
 
@@ -159,7 +159,7 @@ public:
     return utility::LittleInt16(val);
   }
   template <class T>
-  atInt16 readValLittle(std::enable_if_t<std::is_same_v<T, atInt16>>* = nullptr) {
+  atInt16 readValLittle(typename std::enable_if<std::is_same<T, atInt16>::value>::type* = 0) {
     return readInt16Little();
   }
 
@@ -174,7 +174,7 @@ public:
     return utility::BigInt16(val);
   }
   template <class T>
-  atInt16 readValBig(std::enable_if_t<std::is_same_v<T, atInt16>>* = nullptr) {
+  atInt16 readValBig(typename std::enable_if<std::is_same<T, atInt16>::value>::type* = 0) {
     return readInt16Big();
   }
 
@@ -185,7 +185,7 @@ public:
    */
   atUint16 readUint16() { return readInt16(); }
   template <class T>
-  atUint16 readVal(std::enable_if_t<std::is_same_v<T, atUint16>>* = 0) {
+  atUint16 readVal(typename std::enable_if<std::is_same<T, atUint16>::value>::type* = 0) {
     return readUint16();
   }
 
@@ -200,7 +200,7 @@ public:
     return utility::LittleUint16(val);
   }
   template <class T>
-  atUint16 readValLittle(std::enable_if_t<std::is_same_v<T, atUint16>>* = nullptr) {
+  atUint16 readValLittle(typename std::enable_if<std::is_same<T, atUint16>::value>::type* = 0) {
     return readUint16Little();
   }
 
@@ -215,7 +215,7 @@ public:
     return utility::BigUint16(val);
   }
   template <class T>
-  atUint16 readValBig(std::enable_if_t<std::is_same_v<T, atUint16>>* = nullptr) {
+  atUint16 readValBig(typename std::enable_if<std::is_same<T, atUint16>::value>::type* = 0) {
     return readUint16Big();
   }
 
@@ -230,7 +230,7 @@ public:
     return m_endian == Big ? utility::BigInt32(val) : utility::LittleInt32(val);
   }
   template <class T>
-  atInt32 readVal(std::enable_if_t<std::is_same_v<T, atInt32>>* = nullptr) {
+  atInt32 readVal(typename std::enable_if<std::is_same<T, atInt32>::value>::type* = 0) {
     return readInt32();
   }
 
@@ -245,7 +245,7 @@ public:
     return utility::LittleInt32(val);
   }
   template <class T>
-  atInt32 readValLittle(std::enable_if_t<std::is_same_v<T, atInt32>>* = nullptr) {
+  atInt32 readValLittle(typename std::enable_if<std::is_same<T, atInt32>::value>::type* = 0) {
     return readInt32Little();
   }
 
@@ -260,7 +260,7 @@ public:
     return utility::BigInt32(val);
   }
   template <class T>
-  atInt32 readValBig(std::enable_if_t<std::is_same_v<T, atInt32>>* = nullptr) {
+  atInt32 readValBig(typename std::enable_if<std::is_same<T, atInt32>::value>::type* = 0) {
     return readInt32Big();
   }
 
@@ -271,7 +271,7 @@ public:
    */
   atUint32 readUint32() { return readInt32(); }
   template <class T>
-  atUint32 readVal(std::enable_if_t<std::is_same_v<T, atUint32>>* = nullptr) {
+  atUint32 readVal(typename std::enable_if<std::is_same<T, atUint32>::value>::type* = 0) {
     return readUint32();
   }
 
@@ -286,7 +286,7 @@ public:
     return utility::LittleUint32(val);
   }
   template <class T>
-  atInt32 readValLittle(std::enable_if_t<std::is_same_v<T, atUint32>>* = nullptr) {
+  atInt32 readValLittle(typename std::enable_if<std::is_same<T, atUint32>::value>::type* = 0) {
     return readUint32Little();
   }
 
@@ -301,7 +301,7 @@ public:
     return utility::BigUint32(val);
   }
   template <class T>
-  atUint32 readValBig(std::enable_if_t<std::is_same_v<T, atUint32>>* = nullptr) {
+  atUint32 readValBig(typename std::enable_if<std::is_same<T, atUint32>::value>::type* = 0) {
     return readUint32Big();
   }
 
@@ -316,7 +316,7 @@ public:
     return m_endian == Big ? utility::BigInt64(val) : utility::LittleInt64(val);
   }
   template <class T>
-  atInt64 readVal(std::enable_if_t<std::is_same_v<T, atInt64>>* = nullptr) {
+  atInt64 readVal(typename std::enable_if<std::is_same<T, atInt64>::value>::type* = 0) {
     return readInt64();
   }
 
@@ -331,7 +331,7 @@ public:
     return utility::LittleInt64(val);
   }
   template <class T>
-  atInt64 readValLittle(std::enable_if_t<std::is_same_v<T, atInt64>>* = nullptr) {
+  atInt64 readValLittle(typename std::enable_if<std::is_same<T, atInt64>::value>::type* = 0) {
     return readInt64Little();
   }
 
@@ -346,7 +346,7 @@ public:
     return utility::BigInt64(val);
   }
   template <class T>
-  atInt64 readValBig(std::enable_if_t<std::is_same_v<T, atInt64>>* = nullptr) {
+  atInt64 readValBig(typename std::enable_if<std::is_same<T, atInt64>::value>::type* = 0) {
     return readInt64Big();
   }
 
@@ -357,7 +357,7 @@ public:
    */
   atUint64 readUint64() { return readInt64(); }
   template <class T>
-  atUint64 readVal(std::enable_if_t<std::is_same_v<T, atUint64>>* = nullptr) {
+  atUint64 readVal(typename std::enable_if<std::is_same<T, atUint64>::value>::type* = 0) {
     return readUint64();
   }
 
@@ -372,7 +372,7 @@ public:
     return utility::LittleUint64(val);
   }
   template <class T>
-  atUint64 readValLittle(std::enable_if_t<std::is_same_v<T, atUint64>>* = nullptr) {
+  atUint64 readValLittle(typename std::enable_if<std::is_same<T, atUint64>::value>::type* = 0) {
     return readUint64Little();
   }
 
@@ -387,7 +387,7 @@ public:
     return utility::BigUint64(val);
   }
   template <class T>
-  atUint64 readValBig(std::enable_if_t<std::is_same_v<T, atUint64>>* = nullptr) {
+  atUint64 readValBig(typename std::enable_if<std::is_same<T, atUint64>::value>::type* = 0) {
     return readUint64Big();
   }
 
@@ -402,7 +402,7 @@ public:
     return m_endian == Big ? utility::BigFloat(val) : utility::LittleFloat(val);
   }
   template <class T>
-  float readVal(std::enable_if_t<std::is_same_v<T, float>>* = nullptr) {
+  float readVal(typename std::enable_if<std::is_same<T, float>::value>::type* = 0) {
     return readFloat();
   }
 
@@ -417,7 +417,7 @@ public:
     return utility::LittleFloat(val);
   }
   template <class T>
-  float readValLittle(std::enable_if_t<std::is_same_v<T, float>>* = nullptr) {
+  float readValLittle(typename std::enable_if<std::is_same<T, float>::value>::type* = 0) {
     return readFloatLittle();
   }
 
@@ -432,7 +432,7 @@ public:
     return utility::BigFloat(val);
   }
   template <class T>
-  float readValBig(std::enable_if_t<std::is_same_v<T, float>>* = nullptr) {
+  float readValBig(typename std::enable_if<std::is_same<T, float>::value>::type* = 0) {
     return readFloatBig();
   }
 
@@ -447,7 +447,7 @@ public:
     return m_endian == Big ? utility::BigDouble(val) : utility::LittleDouble(val);
   }
   template <class T>
-  double readVal(std::enable_if_t<std::is_same_v<T, double>>* = nullptr) {
+  double readVal(typename std::enable_if<std::is_same<T, double>::value>::type* = 0) {
     return readDouble();
   }
 
@@ -462,7 +462,7 @@ public:
     return utility::LittleDouble(val);
   }
   template <class T>
-  double readValLittle(std::enable_if_t<std::is_same_v<T, double>>* = nullptr) {
+  double readValLittle(typename std::enable_if<std::is_same<T, double>::value>::type* = 0) {
     return readDoubleLittle();
   }
 
@@ -477,7 +477,7 @@ public:
     return utility::BigDouble(val);
   }
   template <class T>
-  double readValBig(std::enable_if_t<std::is_same_v<T, double>>* = nullptr) {
+  double readValBig(typename std::enable_if<std::is_same<T, double>::value>::type* = 0) {
     return readDoubleBig();
   }
 
@@ -491,15 +491,15 @@ public:
     return val != 0;
   }
   template <class T>
-  bool readVal(std::enable_if_t<std::is_same_v<T, bool>>* = nullptr) {
+  bool readVal(typename std::enable_if<std::is_same<T, bool>::value>::type* = 0) {
     return readBool();
   }
   template <class T>
-  bool readValLittle(std::enable_if_t<std::is_same_v<T, bool>>* = nullptr) {
+  bool readValLittle(typename std::enable_if<std::is_same<T, bool>::value>::type* = 0) {
     return readBool();
   }
   template <class T>
-  bool readValBig(std::enable_if_t<std::is_same_v<T, bool>>* = nullptr) {
+  bool readValBig(typename std::enable_if<std::is_same<T, bool>::value>::type* = 0) {
     return readBool();
   }
 
@@ -525,7 +525,7 @@ public:
     return s;
   }
   template <class T>
-  atVec2f readVal(std::enable_if_t<std::is_same_v<T, atVec2f>>* = nullptr) {
+  atVec2f readVal(typename std::enable_if<std::is_same<T, atVec2f>::value>::type* = 0) {
     return readVec2f();
   }
 
@@ -546,7 +546,7 @@ public:
     return s;
   }
   template <class T>
-  atVec2f readValLittle(std::enable_if_t<std::is_same_v<T, atVec2f>>* = nullptr) {
+  atVec2f readValLittle(typename std::enable_if<std::is_same<T, atVec2f>::value>::type* = 0) {
     return readVec2fLittle();
   }
 
@@ -567,7 +567,7 @@ public:
     return s;
   }
   template <class T>
-  atVec2f readValBig(std::enable_if_t<std::is_same_v<T, atVec2f>>* = nullptr) {
+  atVec2f readValBig(typename std::enable_if<std::is_same<T, atVec2f>::value>::type* = 0) {
     return readVec2fBig();
   }
 
@@ -594,7 +594,7 @@ public:
     return s;
   }
   template <class T>
-  atVec3f readVal(std::enable_if_t<std::is_same_v<T, atVec3f>>* = nullptr) {
+  atVec3f readVal(typename std::enable_if<std::is_same<T, atVec3f>::value>::type* = 0) {
     return readVec3f();
   }
 
@@ -615,7 +615,7 @@ public:
     return s;
   }
   template <class T>
-  atVec3f readValLittle(std::enable_if_t<std::is_same_v<T, atVec3f>>* = nullptr) {
+  atVec3f readValLittle(typename std::enable_if<std::is_same<T, atVec3f>::value>::type* = 0) {
     return readVec3fLittle();
   }
 
@@ -636,7 +636,7 @@ public:
     return s;
   }
   template <class T>
-  atVec3f readValBig(std::enable_if_t<std::is_same_v<T, atVec3f>>* = nullptr) {
+  atVec3f readValBig(typename std::enable_if<std::is_same<T, atVec3f>::value>::type* = 0) {
     return readVec3fBig();
   }
 
@@ -664,7 +664,7 @@ public:
     return s;
   }
   template <class T>
-  atVec4f readVal(std::enable_if_t<std::is_same_v<T, atVec4f>>* = nullptr) {
+  atVec4f readVal(typename std::enable_if<std::is_same<T, atVec4f>::value>::type* = 0) {
     return readVec4f();
   }
 
@@ -685,7 +685,7 @@ public:
     return s;
   }
   template <class T>
-  atVec4f readValLittle(std::enable_if_t<std::is_same_v<T, atVec4f>>* = nullptr) {
+  atVec4f readValLittle(typename std::enable_if<std::is_same<T, atVec4f>::value>::type* = 0) {
     return readVec4fLittle();
   }
 
@@ -706,7 +706,7 @@ public:
     return s;
   }
   template <class T>
-  atVec4f readValBig(std::enable_if_t<std::is_same_v<T, atVec4f>>* = nullptr) {
+  atVec4f readValBig(typename std::enable_if<std::is_same<T, atVec4f>::value>::type* = 0) {
     return readVec4fBig();
   }
 
@@ -732,7 +732,7 @@ public:
     return s;
   }
   template <class T>
-  atVec2d readVal(std::enable_if_t<std::is_same_v<T, atVec2d>>* = nullptr) {
+  atVec2d readVal(typename std::enable_if<std::is_same<T, atVec2d>::value>::type* = 0) {
     return readVec2d();
   }
 
@@ -753,7 +753,7 @@ public:
     return s;
   }
   template <class T>
-  atVec2d readValLittle(std::enable_if_t<std::is_same_v<T, atVec2d>>* = nullptr) {
+  atVec2d readValLittle(typename std::enable_if<std::is_same<T, atVec2d>::value>::type* = 0) {
     return readVec2dLittle();
   }
 
@@ -774,7 +774,7 @@ public:
     return s;
   }
   template <class T>
-  atVec2d readValBig(std::enable_if_t<std::is_same_v<T, atVec2d>>* = nullptr) {
+  atVec2d readValBig(typename std::enable_if<std::is_same<T, atVec2d>::value>::type* = 0) {
     return readVec2dBig();
   }
 
@@ -801,7 +801,7 @@ public:
     return s;
   }
   template <class T>
-  atVec3d readVal(std::enable_if_t<std::is_same_v<T, atVec3d>>* = nullptr) {
+  atVec3d readVal(typename std::enable_if<std::is_same<T, atVec3d>::value>::type* = 0) {
     return readVec3d();
   }
 
@@ -822,7 +822,7 @@ public:
     return s;
   }
   template <class T>
-  atVec3d readValLittle(std::enable_if_t<std::is_same_v<T, atVec3d>>* = nullptr) {
+  atVec3d readValLittle(typename std::enable_if<std::is_same<T, atVec3d>::value>::type* = 0) {
     return readVec3dLittle();
   }
 
@@ -843,7 +843,7 @@ public:
     return s;
   }
   template <class T>
-  atVec3d readValBig(std::enable_if_t<std::is_same_v<T, atVec3d>>* = nullptr) {
+  atVec3d readValBig(typename std::enable_if<std::is_same<T, atVec3d>::value>::type* = 0) {
     return readVec3dBig();
   }
 
@@ -871,7 +871,7 @@ public:
     return s;
   }
   template <class T>
-  atVec4d readVal(std::enable_if_t<std::is_same_v<T, atVec4d>>* = nullptr) {
+  atVec4d readVal(typename std::enable_if<std::is_same<T, atVec4d>::value>::type* = 0) {
     return readVec4d();
   }
 
@@ -892,7 +892,7 @@ public:
     return s;
   }
   template <class T>
-  atVec4d readValLittle(std::enable_if_t<std::is_same_v<T, atVec4d>>* = nullptr) {
+  atVec4d readValLittle(typename std::enable_if<std::is_same<T, atVec4d>::value>::type* = 0) {
     return readVec4dLittle();
   }
 
@@ -913,7 +913,7 @@ public:
     return s;
   }
   template <class T>
-  atVec4d readValBig(std::enable_if_t<std::is_same_v<T, atVec4d>>* = nullptr) {
+  atVec4d readValBig(typename std::enable_if<std::is_same<T, atVec4d>::value>::type* = 0) {
     return readVec4dBig();
   }
 
@@ -944,7 +944,7 @@ public:
     return ret;
   }
   template <class T>
-  std::string readVal(std::enable_if_t<std::is_same_v<T, std::string>>* = nullptr) {
+  std::string readVal(typename std::enable_if<std::is_same<T, std::string>::value>::type* = 0) {
     return readString();
   }
 
@@ -976,7 +976,7 @@ public:
     return ret;
   }
   template <class T>
-  std::wstring readVal(std::enable_if_t<std::is_same_v<T, std::wstring>>* = nullptr) {
+  std::wstring readVal(typename std::enable_if<std::is_same<T, std::wstring>::value>::type* = 0) {
     return readWString();
   }
 
@@ -1009,7 +1009,7 @@ public:
     return ret;
   }
   template <class T>
-  std::wstring readValLittle(std::enable_if_t<std::is_same_v<T, std::wstring>>* = nullptr) {
+  std::wstring readValLittle(typename std::enable_if<std::is_same<T, std::wstring>::value>::type* = 0) {
     return readWStringLittle();
   }
 
@@ -1041,7 +1041,7 @@ public:
     return ret;
   }
   template <class T>
-  std::wstring readValBig(std::enable_if_t<std::is_same_v<T, std::wstring>>* = nullptr) {
+  std::wstring readValBig(typename std::enable_if<std::is_same<T, std::wstring>::value>::type* = 0) {
     return readWStringBig();
   }
 
@@ -1073,7 +1073,7 @@ public:
     return ret;
   }
   template <class T>
-  std::u16string readValBig(std::enable_if_t<std::is_same_v<T, std::u16string>>* = nullptr) {
+  std::u16string readValBig(typename std::enable_if<std::is_same<T, std::u16string>::value>::type* = 0) {
     return readU16StringBig();
   }
 
@@ -1105,7 +1105,7 @@ public:
     return ret;
   }
   template <class T>
-  std::u32string readValBig(std::enable_if_t<std::is_same_v<T, std::u32string>>* = nullptr) {
+  std::u32string readValBig(typename std::enable_if<std::is_same<T, std::u32string>::value>::type* = 0) {
     return readU32StringBig();
   }
 
@@ -1119,8 +1119,8 @@ public:
   template <class T>
   void
   enumerate(std::vector<T>& vector, size_t count,
-            std::enable_if<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> ||
-                           std::is_same_v<T, atVec3f> || std::is_same_v<T, atVec4f>>* = nullptr) {
+            typename std::enable_if<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                                    std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value>::type* = 0) {
     vector.clear();
     vector.reserve(count);
     for (size_t i = 0; i < count; ++i)
@@ -1135,9 +1135,10 @@ public:
    *  Endianness is little
    */
   template <class T>
-  void enumerateLittle(std::vector<T>& vector, size_t count,
-                       std::enable_if_t<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> ||
-                                        std::is_same_v<T, atVec3f> || std::is_same_v<T, atVec4f>>* = nullptr) {
+  void enumerateLittle(
+      std::vector<T>& vector, size_t count,
+      typename std::enable_if<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                              std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value>::type* = 0) {
     vector.clear();
     vector.reserve(count);
     for (size_t i = 0; i < count; ++i)
@@ -1152,9 +1153,10 @@ public:
    *  Endianness is big
    */
   template <class T>
-  void enumerateBig(std::vector<T>& vector, size_t count,
-                    std::enable_if_t<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> ||
-                                     std::is_same_v<T, atVec3f> || std::is_same_v<T, atVec4f>>* = nullptr) {
+  void
+  enumerateBig(std::vector<T>& vector, size_t count,
+               typename std::enable_if<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                                       std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value>::type* = 0) {
     vector.clear();
     vector.reserve(count);
     for (size_t i = 0; i < count; ++i)
@@ -1167,9 +1169,10 @@ public:
    *  @param count The number of elements to read into vector
    */
   template <class T>
-  void enumerate(std::vector<T>& vector, size_t count,
-                 std::enable_if_t<!std::is_arithmetic_v<T> && !std::is_same_v<T, atVec2f> &&
-                                  !std::is_same_v<T, atVec3f> && !std::is_same_v<T, atVec4f>>* = nullptr) {
+  void
+  enumerate(std::vector<T>& vector, size_t count,
+            typename std::enable_if<!std::is_arithmetic<T>::value && !std::is_same<T, atVec2f>::value &&
+                                    !std::is_same<T, atVec3f>::value && !std::is_same<T, atVec4f>::value>::type* = 0) {
     vector.clear();
     vector.reserve(count);
     for (size_t i = 0; i < count; ++i) {
diff --git a/include/athena/IStreamWriter.hpp b/include/athena/IStreamWriter.hpp
index 5dcfe20..edfd34e 100644
--- a/include/athena/IStreamWriter.hpp
+++ b/include/athena/IStreamWriter.hpp
@@ -9,14 +9,14 @@
 namespace athena::io {
 class IStreamWriter : public IStream {
 public:
-  ~IStreamWriter() override = default;
+  virtual ~IStreamWriter() = default;
 
   /** @brief Sets the buffers position relative to the specified position.<br />
    *         It seeks relative to the current position by default.
    *  @param position where in the buffer to seek
    *  @param origin The location to seek relative to
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override = 0;
+  virtual void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) = 0;
 
   /** @brief Sets the buffers position relative to the next 32-byte aligned position.<br />
    */
@@ -36,19 +36,19 @@ public:
    *
    *  @return True if at end; False otherwise.
    */
-  bool atEnd() const override { return position() >= length(); }
+  bool atEnd() const { return position() >= length(); }
 
   /** @brief Returns the current position in the stream.
    *
    *  @return The current position in the stream.
    */
-  atUint64 position() const override = 0;
+  virtual atUint64 position() const = 0;
 
   /** @brief Returns whether or not the stream is at the end.
    *
    *  @return True if at end; False otherwise.
    */
-  atUint64 length() const override = 0;
+  virtual atUint64 length() const = 0;
 
   /** @brief Writes a byte at the current position and advances the position by one byte.
    *  @param val The value to write
@@ -989,9 +989,10 @@ public:
    *  Endianness is set with setEndian
    */
   template <class T>
-  void enumerate(const std::vector<T>& vector,
-                 std::enable_if_t<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> || std::is_same_v<T, atVec3f> ||
-                                  std::is_same_v<T, atVec4f>>* = nullptr) {
+  void
+  enumerate(const std::vector<T>& vector,
+            typename std::enable_if<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                                    std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value>::type* = 0) {
     for (const T& item : vector)
       writeVal(item);
   }
@@ -1002,9 +1003,10 @@ public:
    *  Endianness is little
    */
   template <class T>
-  void enumerateLittle(const std::vector<T>& vector,
-                       std::enable_if_t<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> ||
-                                        std::is_same_v<T, atVec3f> || std::is_same_v<T, atVec4f>>* = nullptr) {
+  void enumerateLittle(
+      const std::vector<T>& vector,
+      typename std::enable_if<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                              std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value>::type* = 0) {
     for (const T& item : vector)
       writeValLittle(item);
   }
@@ -1015,9 +1017,10 @@ public:
    *  Endianness is big
    */
   template <class T>
-  void enumerateBig(const std::vector<T>& vector,
-                    std::enable_if_t<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> ||
-                                     std::is_same_v<T, atVec3f> || std::is_same_v<T, atVec4f>>* = nullptr) {
+  void
+  enumerateBig(const std::vector<T>& vector,
+               typename std::enable_if<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                                       std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value>::type* = 0) {
     for (const T& item : vector)
       writeValBig(item);
   }
@@ -1026,9 +1029,10 @@ public:
    *  @param vector The std::vector read from when writing data
    */
   template <class T>
-  void enumerate(const std::vector<T>& vector,
-                 std::enable_if_t<!std::is_arithmetic_v<T> && !std::is_same_v<T, atVec2f> &&
-                                  !std::is_same_v<T, atVec3f> && !std::is_same_v<T, atVec4f>>* = nullptr) {
+  void
+  enumerate(const std::vector<T>& vector,
+            typename std::enable_if<!std::is_arithmetic<T>::value && !std::is_same<T, atVec2f>::value &&
+                                    !std::is_same<T, atVec3f>::value && !std::is_same<T, atVec4f>::value>::type* = 0) {
     for (const T& item : vector)
       item.write(*this);
   }
diff --git a/include/athena/MemoryReader.hpp b/include/athena/MemoryReader.hpp
index 6d7064a..1a82c27 100644
--- a/include/athena/MemoryReader.hpp
+++ b/include/athena/MemoryReader.hpp
@@ -19,7 +19,7 @@ protected:
   MemoryReader() = default;
 
 public:
-  ~MemoryReader() override;
+  virtual ~MemoryReader();
 
   /*! \brief This constructor references an existing buffer to read from.
    *
@@ -34,19 +34,19 @@ public:
    *  \param position where in the buffer to seek
    *  \param origin The Origin to seek \sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
 
   /*! \brief Returns the current position in the stream.
    *
    *  \return Int64 The current position in the stream.
    */
-  atUint64 position() const override { return m_position; }
+  inline atUint64 position() const { return m_position; }
 
   /*! \brief Returns whether or not the stream is at the end.
    *
    *  \return bool True if at end; False otherwise.
    */
-  atUint64 length() const override { return m_length; }
+  inline atUint64 length() const { return m_length; }
 
   /*! \brief Sets the buffer to the given one, deleting the current one.<br />
    *         <b>BEWARE:</b> As this deletes the current buffer it WILL cause a loss of data
@@ -74,7 +74,7 @@ public:
    *  \param len Length to read
    *  \return Number of bytes read
    */
-  atUint64 readUBytesToBuf(void* buf, atUint64 len) override;
+  atUint64 readUBytesToBuf(void* buf, atUint64 len);
 
 protected:
   const void* m_data = nullptr;
diff --git a/include/athena/MemoryWriter.hpp b/include/athena/MemoryWriter.hpp
index b18a9bc..28c4d23 100644
--- a/include/athena/MemoryWriter.hpp
+++ b/include/athena/MemoryWriter.hpp
@@ -17,7 +17,7 @@ namespace athena::io {
  */
 class MemoryWriter : public IStreamWriter {
 public:
-  ~MemoryWriter() override;
+  virtual ~MemoryWriter();
 
   /*! @brief This constructor references an existing buffer to write to in-place.
    *
@@ -31,21 +31,21 @@ public:
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek @sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
 
   /*! @brief Returns the current position in the stream.
    *
    *  @return Int64 The current position in the stream.
    */
-  atUint64 position() const override { return m_position; }
+  inline atUint64 position() const { return m_position; }
 
   /*! @brief Returns the length of the stream.
    *
    *  @return Int64 The length of the stream.
    */
-  atUint64 length() const override { return m_length; }
+  inline atUint64 length() const { return m_length; }
 
-  bool isOpen() const { return true; }
+  inline bool isOpen() const { return true; }
 
   /** @brief Sets the buffer to the given one, deleting the current one if it owns it.<br />
    *  @param data The new buffer.
@@ -65,12 +65,12 @@ public:
    *
    *  @param filepath The path to write to.
    */
-  void setFilepath(const std::string& filepath) { m_filepath = filepath; }
+  inline void setFilepath(const std::string& filepath) { m_filepath = filepath; }
 
   /*! @brief
    * Returns the target file
    */
-  std::string filepath() const { return m_filepath; }
+  inline std::string filepath() const { return m_filepath; }
 
   /*! @brief Saves the file to the specified file.
    *
@@ -85,7 +85,7 @@ public:
    * @param data The buffer to write
    * @param length The amount to write
    */
-  void writeUBytes(const atUint8* data, atUint64 len) override;
+  void writeUBytes(const atUint8* data, atUint64 len);
 
 protected:
   MemoryWriter() {}
@@ -116,7 +116,7 @@ public:
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek @sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
 
   /*! @brief Sets the buffer to the given one, deleting the current one.<br />
    *         <b>BEWARE:</b> As this deletes the current buffer it WILL cause a loss of data
@@ -135,7 +135,7 @@ public:
    * @param data The buffer to write
    * @param length The amount to write
    */
-  void writeUBytes(const atUint8* data, atUint64 len) override;
+  void writeUBytes(const atUint8* data, atUint64 len);
 
 protected:
   std::unique_ptr<atUint8[]> m_dataCopy;
diff --git a/include/athena/Utility.hpp b/include/athena/Utility.hpp
index 1602564..e2c7c08 100644
--- a/include/athena/Utility.hpp
+++ b/include/athena/Utility.hpp
@@ -181,9 +181,9 @@ atUint64 rand64();
 std::string join(const std::vector<std::string>& elems, std::string_view delims);
 void tolower(std::string& str);
 void toupper(std::string& str);
-bool parseBool(std::string_view boolean, bool* valid = nullptr);
+bool parseBool(std::string_view boolean, bool* valid = NULL);
 
-int countChar(std::string_view str, char chr, int* lastOccur = nullptr);
+int countChar(std::string_view str, const char chr, int* lastOccur = NULL);
 
 // trim from start
 std::string& ltrim(std::string& s);
diff --git a/include/athena/VectorWriter.hpp b/include/athena/VectorWriter.hpp
index 7257812..f17e160 100644
--- a/include/athena/VectorWriter.hpp
+++ b/include/athena/VectorWriter.hpp
@@ -22,21 +22,21 @@ public:
    *  @param position where in the buffer to seek
    *  @param origin The Origin to seek @sa SeekOrigin
    */
-  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current) override;
+  void seek(atInt64 pos, SeekOrigin origin = SeekOrigin::Current);
 
   /*! @brief Returns the current position in the stream.
    *
    *  @return Int64 The current position in the stream.
    */
-  atUint64 position() const override { return m_position; }
+  inline atUint64 position() const { return m_position; }
 
   /*! @brief Returns the length of the stream.
    *
    *  @return Int64 The length of the stream.
    */
-  atUint64 length() const override { return m_data.size(); }
+  inline atUint64 length() const { return m_data.size(); }
 
-  bool isOpen() const { return true; }
+  inline bool isOpen() const { return true; }
 
   /*! @brief Obtains reference to underlying std::vector store */
   const std::vector<uint8_t>& data() const { return m_data; }
@@ -48,7 +48,7 @@ public:
    * @param data The buffer to write
    * @param length The amount to write
    */
-  void writeUBytes(const atUint8* data, atUint64 len) override;
+  void writeUBytes(const atUint8* data, atUint64 len);
 
 protected:
   std::vector<uint8_t> m_data;
diff --git a/include/athena/YAMLCommon.hpp b/include/athena/YAMLCommon.hpp
index 01e56bd..7617b14 100644
--- a/include/athena/YAMLCommon.hpp
+++ b/include/athena/YAMLCommon.hpp
@@ -27,14 +27,14 @@ struct YAMLNode {
 
   YAMLNode(yaml_node_type_t type) : m_type(type) {}
 
-  const YAMLNode* findMapChild(std::string_view key) const {
+  inline const YAMLNode* findMapChild(std::string_view key) const {
     for (const auto& item : m_mapChildren)
       if (!item.first.compare(key))
         return item.second.get();
     return nullptr;
   }
 
-  void assignMapChild(std::string_view key, std::unique_ptr<YAMLNode>&& node) {
+  inline void assignMapChild(std::string_view key, std::unique_ptr<YAMLNode>&& node) {
     for (auto& item : m_mapChildren)
       if (!item.first.compare(key)) {
         item.second = std::move(node);
diff --git a/include/athena/YAMLDocReader.hpp b/include/athena/YAMLDocReader.hpp
index 45f160c..8fa4c00 100644
--- a/include/athena/YAMLDocReader.hpp
+++ b/include/athena/YAMLDocReader.hpp
@@ -19,15 +19,15 @@ public:
 
   void reset();
 
-  yaml_parser_t* getParser() { return &m_parser; }
+  inline yaml_parser_t* getParser() { return &m_parser; }
 
   bool parse(athena::io::IStreamReader* reader);
 
   bool ClassTypeOperation(std::function<bool(const char* dnaType)> func);
   bool ValidateClassType(const char* expectedType);
 
-  const YAMLNode* getRootNode() const { return m_rootNode.get(); }
-  const YAMLNode* getCurNode() const { return m_subStack.empty() ? nullptr : m_subStack.back(); }
+  inline const YAMLNode* getRootNode() const { return m_rootNode.get(); }
+  inline const YAMLNode* getCurNode() const { return m_subStack.empty() ? nullptr : m_subStack.back(); }
   std::unique_ptr<YAMLNode> releaseRootNode() { return std::move(m_rootNode); }
 
   class RecordRAII {
@@ -54,7 +54,7 @@ public:
   RecordRAII enterSubRecord(const char* name);
 
   template <class T>
-  void enumerate(const char* name, T& record, std::enable_if_t<__IsDNARecord_v<T>>* = nullptr) {
+  void enumerate(const char* name, T& record, typename std::enable_if_t<__IsDNARecord_v<T>>* = 0) {
     if (auto rec = enterSubRecord(name))
       record.read(*this);
   }
@@ -77,9 +77,10 @@ public:
   VectorRAII enterSubVector(const char* name, size_t& countOut);
 
   template <class T>
-  size_t enumerate(const char* name, std::vector<T>& vector,
-                   std::enable_if_t<!std::is_arithmetic_v<T> && !std::is_same_v<T, atVec2f> &&
-                                    !std::is_same_v<T, atVec3f> && !std::is_same_v<T, atVec4f>>* = nullptr) {
+  size_t
+  enumerate(const char* name, std::vector<T>& vector,
+            typename std::enable_if_t<!std::is_arithmetic<T>::value && !std::is_same<T, atVec2f>::value &&
+                                      !std::is_same<T, atVec3f>::value && !std::is_same<T, atVec4f>::value>* = 0) {
     size_t countOut;
     if (auto v = enterSubVector(name, countOut)) {
       vector.clear();
@@ -95,8 +96,8 @@ public:
 
   template <class T>
   size_t enumerate(const char* name, std::vector<T>& vector,
-                   std::enable_if_t<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> ||
-                                    std::is_same_v<T, atVec3f> || std::is_same_v<T, atVec4f>>* = nullptr) {
+                   typename std::enable_if_t<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                                             std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value>* = 0) {
     size_t countOut;
     if (auto v = enterSubVector(name, countOut)) {
       vector.clear();
diff --git a/include/athena/YAMLDocWriter.hpp b/include/athena/YAMLDocWriter.hpp
index c590674..ae9cbc4 100644
--- a/include/athena/YAMLDocWriter.hpp
+++ b/include/athena/YAMLDocWriter.hpp
@@ -20,7 +20,7 @@ public:
 
   bool finish(athena::io::IStreamWriter* fout);
 
-  YAMLNode* getCurNode() const { return m_subStack.empty() ? nullptr : m_subStack.back(); }
+  inline YAMLNode* getCurNode() const { return m_subStack.empty() ? nullptr : m_subStack.back(); }
 
   class RecordRAII {
     friend class YAMLDocWriter;
@@ -40,7 +40,7 @@ public:
   RecordRAII enterSubRecord(const char* name);
 
   template <class T>
-  void enumerate(const char* name, T& record, std::enable_if_t<__IsDNARecord_v<T>>* = nullptr) {
+  void enumerate(const char* name, T& record, typename std::enable_if_t<__IsDNARecord_v<T>>* = 0) {
     if (auto rec = enterSubRecord(name))
       record.write(*this);
   }
@@ -63,11 +63,11 @@ public:
   VectorRAII enterSubVector(const char* name);
 
   template <class T>
-  void
-  enumerate(const char* name, const std::vector<T>& vector,
-            std::enable_if_t<!std::is_arithmetic_v<T> && !std::is_same_v<T, atVec2f> && !std::is_same_v<T, atVec3f> &&
-                             !std::is_same_v<T, atVec4f> && !std::is_same_v<T, atVec2d> &&
-                             !std::is_same_v<T, atVec3d> && !std::is_same_v<T, atVec4d>>* = nullptr) {
+  void enumerate(const char* name, const std::vector<T>& vector,
+                 typename std::enable_if_t<!std::is_arithmetic<T>::value && !std::is_same<T, atVec2f>::value &&
+                                           !std::is_same<T, atVec3f>::value && !std::is_same<T, atVec4f>::value &&
+                                           !std::is_same<T, atVec2d>::value && !std::is_same<T, atVec3d>::value &&
+                                           !std::is_same<T, atVec4d>::value>* = 0) {
     if (auto v = enterSubVector(name))
       for (const T& item : vector)
         if (auto rec = enterSubRecord(nullptr))
@@ -76,9 +76,10 @@ public:
 
   template <class T>
   void enumerate(const char* name, const std::vector<T>& vector,
-                 std::enable_if_t<std::is_arithmetic_v<T> || std::is_same_v<T, atVec2f> || std::is_same_v<T, atVec3f> ||
-                                  std::is_same_v<T, atVec4f> || std::is_same_v<T, atVec2d> ||
-                                  std::is_same_v<T, atVec3d> || std::is_same_v<T, atVec4d>>* = nullptr) {
+                 typename std::enable_if_t<std::is_arithmetic<T>::value || std::is_same<T, atVec2f>::value ||
+                                           std::is_same<T, atVec3f>::value || std::is_same<T, atVec4f>::value ||
+                                           std::is_same<T, atVec2d>::value || std::is_same<T, atVec3d>::value ||
+                                           std::is_same<T, atVec4d>::value>* = 0) {
     if (auto v = enterSubVector(name))
       for (T item : vector)
         writeVal<T>(nullptr, item);
diff --git a/src/LZ77/LZType11.cpp b/src/LZ77/LZType11.cpp
index de26bd8..41cee43 100644
--- a/src/LZ77/LZType11.cpp
+++ b/src/LZ77/LZType11.cpp
@@ -106,7 +106,7 @@ atUint32 LZType11::compress(const atUint8* src, atUint8** dst, atUint32 srcLengt
   }
 
   delete[] compressedBytes;
-  compressedBytes = nullptr;
+  compressedBytes = NULL;
 
   // Add zeros until the file is a multiple of 4
   while ((outbuff.position() % 4) != 0)
diff --git a/src/athena/Compression.cpp b/src/athena/Compression.cpp
index ff23040..4f72837 100644
--- a/src/athena/Compression.cpp
+++ b/src/athena/Compression.cpp
@@ -10,7 +10,7 @@
 namespace athena::io::Compression {
 
 atInt32 decompressZlib(const atUint8* src, atUint32 srcLen, atUint8* dst, atUint32 dstLen) {
-  z_stream strm = {};
+  z_stream strm = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
   strm.total_in = strm.avail_in = srcLen;
   strm.total_out = strm.avail_out = dstLen;
   strm.next_in = (Bytef*)src;
@@ -45,7 +45,7 @@ atInt32 decompressZlib(const atUint8* src, atUint32 srcLen, atUint8* dst, atUint
 }
 
 atInt32 compressZlib(const atUint8* src, atUint32 srcLen, atUint8* dst, atUint32 dstLen) {
-  z_stream strm = {};
+  z_stream strm = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
   strm.total_in = strm.avail_in = srcLen;
   strm.total_out = strm.avail_out = dstLen;
   strm.next_in = (Bytef*)src;
diff --git a/src/athena/Dir.cpp b/src/athena/Dir.cpp
index c9d6d98..6f6a02c 100644
--- a/src/athena/Dir.cpp
+++ b/src/athena/Dir.cpp
@@ -45,7 +45,7 @@ bool Dir::cd(std::string_view path) {
 bool Dir::rm(std::string_view path) { return !(remove((m_path + "/" + path.data()).c_str()) < 0); }
 
 bool Dir::touch() {
-  std::srand(std::time(nullptr));
+  srand(time(NULL));
   atUint64 tmp = utility::rand64();
   std::string tmpFile = fmt::format(fmt("{:016X}.tmp"), tmp);
   bool ret = FileInfo(m_path + "/" + tmpFile).touch();
diff --git a/src/athena/FileInfo.cpp b/src/athena/FileInfo.cpp
index d78913c..fb47e01 100644
--- a/src/athena/FileInfo.cpp
+++ b/src/athena/FileInfo.cpp
@@ -104,7 +104,7 @@ bool FileInfo::touch() const {
     (void)athena::io::FileWriter(m_path);
     return true;
   }
-  if (utimes(m_path.c_str(), nullptr) < 0) {
+  if (utimes(m_path.c_str(), NULL) < 0) {
     return false;
   }
 #elif defined(_WIN32)
@@ -114,7 +114,7 @@ bool FileInfo::touch() const {
   wchar_t date[80], time[80];
 
 #if !WINDOWS_STORE
-  fh = CreateFileA(m_path.c_str(), GENERIC_READ | FILE_WRITE_ATTRIBUTES, 0, nullptr, CREATE_NEW, 0, nullptr);
+  fh = CreateFileA(m_path.c_str(), GENERIC_READ | FILE_WRITE_ATTRIBUTES, 0, NULL, CREATE_NEW, 0, NULL);
 
   if (fh == INVALID_HANDLE_VALUE)
     return false;
@@ -122,14 +122,14 @@ bool FileInfo::touch() const {
   /*
    * Use GetFileTime() to get the file modification time.
    */
-  if (GetFileTime(fh, nullptr, nullptr, &modtime) == 0) {
+  if (GetFileTime(fh, NULL, NULL, &modtime) == 0) {
     CloseHandle(fh);
     return false;
   }
 
   FileTimeToSystemTime(&modtime, &st);
-  if (GetDateFormatW(LOCALE_USER_DEFAULT, DATE_LONGDATE, &st, nullptr, date, sizeof date / sizeof date[0]) == 0 ||
-      GetTimeFormatW(LOCALE_USER_DEFAULT, 0, &st, nullptr, time, sizeof time / sizeof time[0]) == 0) {
+  if (GetDateFormatW(LOCALE_USER_DEFAULT, DATE_LONGDATE, &st, NULL, date, sizeof date / sizeof date[0]) == 0 ||
+      GetTimeFormatW(LOCALE_USER_DEFAULT, 0, &st, NULL, time, sizeof time / sizeof time[0]) == 0) {
     CloseHandle(fh);
     return false;
   }
@@ -139,13 +139,13 @@ bool FileInfo::touch() const {
    * to the current time.
    */
   GetSystemTime(&st);
-  if (GetDateFormatW(LOCALE_USER_DEFAULT, DATE_LONGDATE, &st, nullptr, date, sizeof date / sizeof date[0]) == 0 ||
-      GetTimeFormatW(LOCALE_USER_DEFAULT, 0, &st, nullptr, time, sizeof time / sizeof time[0]) == 0) {
+  if (GetDateFormatW(LOCALE_USER_DEFAULT, DATE_LONGDATE, &st, NULL, date, sizeof date / sizeof date[0]) == 0 ||
+      GetTimeFormatW(LOCALE_USER_DEFAULT, 0, &st, NULL, time, sizeof time / sizeof time[0]) == 0) {
     CloseHandle(fh);
     return false;
   }
   SystemTimeToFileTime(&st, &modtime);
-  if (SetFileTime(fh, nullptr, nullptr, &modtime) == 0) {
+  if (SetFileTime(fh, NULL, NULL, &modtime) == 0) {
     CloseHandle(fh);
     return false;
   }
diff --git a/src/athena/Socket.cpp b/src/athena/Socket.cpp
index 129972a..8f2f7c4 100644
--- a/src/athena/Socket.cpp
+++ b/src/athena/Socket.cpp
@@ -45,8 +45,8 @@ void IPAddress::resolve(const std::string& address) {
       addrinfo hints;
       memset(&hints, 0, sizeof(hints));
       hints.ai_family = AF_INET;
-      addrinfo* result = nullptr;
-      if (getaddrinfo(address.c_str(), nullptr, &hints, &result) == 0) {
+      addrinfo* result = NULL;
+      if (getaddrinfo(address.c_str(), NULL, &hints, &result) == 0) {
         if (result) {
           addr = reinterpret_cast<sockaddr_in*>(result->ai_addr)->sin_addr;
           freeaddrinfo(result);
diff --git a/src/athena/Utility.cpp b/src/athena/Utility.cpp
index c0665fc..da36334 100644
--- a/src/athena/Utility.cpp
+++ b/src/athena/Utility.cpp
@@ -100,7 +100,7 @@ int countChar(std::string_view str, const char chr, int* lastOccur) {
 
   for (char c : str) {
     if (c == chr) {
-      if (lastOccur != nullptr)
+      if (lastOccur != NULL)
         *lastOccur = index;
 
       ret++;