diff --git a/CMakeLists.txt b/CMakeLists.txt
index 786b8e9..5fed5f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,6 +37,7 @@ add_library(Math
     include/Global.hpp
     include/MathLib.hpp
     include/TVectorUnion.hpp
+    include/CVector2i.hpp
     include/CVector2f.hpp
     include/CVector3f.hpp
     include/CVector3d.hpp
diff --git a/include/CMatrix4f.hpp b/include/CMatrix4f.hpp
index 14e96f0..6b59364 100644
--- a/include/CMatrix4f.hpp
+++ b/include/CMatrix4f.hpp
@@ -132,6 +132,12 @@ public:
         return ret;
     }
 
+    inline CVector3f multiplyOneOverW(const CVector3f& point) const
+    {
+        CVector4f xfVec = *this * point;
+        return xfVec.toVec3f() / xfVec.w;
+    }
+
     union
     {
         float m[4][4];
diff --git a/include/CTransform.hpp b/include/CTransform.hpp
index 37772d5..c73c7a1 100644
--- a/include/CTransform.hpp
+++ b/include/CTransform.hpp
@@ -126,6 +126,11 @@ public:
         m_basis[1] -= b0;
     }
 
+    inline CVector3f transposeRotate(const CVector3f& in) const
+    {
+        return CVector3f(m_basis[0].dot(in), m_basis[1].dot(in), m_basis[2].dot(in));
+    }
+
     inline void scaleBy(float factor)
     { CTransform xfrm(CMatrix3f(CVector3f(factor, factor, factor))); *this = *this * xfrm; }
 
diff --git a/include/CVector2i.hpp b/include/CVector2i.hpp
new file mode 100644
index 0000000..dd41242
--- /dev/null
+++ b/include/CVector2i.hpp
@@ -0,0 +1,34 @@
+#ifndef CVECTOR2i_HPP
+#define CVECTOR2i_HPP
+
+#include "Global.hpp"
+#include "Math.hpp"
+
+#if ZE_ATHENA_TYPES
+#include <Athena/IStreamReader.hpp>
+#endif
+
+#include <math.h>
+#include <assert.h>
+
+namespace Zeus
+{
+
+class CVector2i
+{
+public:
+    union
+    {
+        struct
+        {
+            int x, y;
+        };
+        int v[2];
+    };
+    CVector2i() = default;
+    CVector2i(int xin, int yin) : x(xin), y(yin) {}
+};
+
+}
+
+#endif // CVECTOR2i_HPP
diff --git a/include/CVector4f.hpp b/include/CVector4f.hpp
index 08f4c50..ded0556 100644
--- a/include/CVector4f.hpp
+++ b/include/CVector4f.hpp
@@ -88,12 +88,25 @@ public:
 
     CVector4f(const CVector3f& other)
     {
+#if __SSE__
+        mVec128 = other.mVec128;
+#else
         x = other.x;
         y = other.y;
         z = other.z;
+#endif
         w = 1.0f;
     }
 
+    inline CVector3f toVec3f() const
+    {
+#if __SSE__
+        return CVector3f(mVec128);
+#else
+        return CVector3f(x, y, z);
+#endif
+    }
+
     CVector4f& operator=(const CColor& other);
     inline bool operator ==(const CVector4f& rhs) const
     {