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diff --git a/dep/g3dlite/G3D/Vector3int16.h b/dep/g3dlite/G3D/Vector3int16.h
new file mode 100644
index 00000000000..3197ea49d1a
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+++ b/dep/g3dlite/G3D/Vector3int16.h
@@ -0,0 +1,127 @@
+/**
+  @file Vector3int16.h
+  
+  @maintainer Morgan McGuire, matrix@brown.edu
+
+  @created 2003-04-07
+  @edited  2003-06-24
+  Copyright 2000-2004, Morgan McGuire.
+  All rights reserved.
+ */
+
+#ifndef VECTOR3INT16_H
+#define VECTOR3INT16_H
+
+#include "G3D/platform.h"
+#include "G3D/g3dmath.h"
+#include "G3D/HashTrait.h"
+
+#ifdef _MSC_VER
+// Turn off "conditional expression is constant" warning; MSVC generates this
+// for debug assertions in inlined methods.
+#pragma warning (disable : 4127)
+#endif
+
+
+namespace G3D {
+
+/**
+ \class Vector3int16
+ A Vector3 that packs its fields into uint16s.
+ */
+G3D_BEGIN_PACKED_CLASS(2)
+class Vector3int16 {
+private:
+    // Hidden operators
+    bool operator<(const Vector3int16&) const;
+    bool operator>(const Vector3int16&) const;
+    bool operator<=(const Vector3int16&) const;
+    bool operator>=(const Vector3int16&) const;
+
+public:
+    G3D::int16              x;
+    G3D::int16              y;
+    G3D::int16              z;
+
+    Vector3int16() : x(0), y(0), z(0) {}
+    Vector3int16(G3D::int16 _x, G3D::int16 _y, G3D::int16 _z) : x(_x), y(_y), z(_z) {}
+    Vector3int16(const class Vector3& v);
+    Vector3int16(class BinaryInput& bi);
+
+    void serialize(class BinaryOutput& bo) const;
+    void deserialize(class BinaryInput& bi);
+
+    inline G3D::int16& operator[] (int i) {
+        debugAssert(i <= 2);
+        return ((G3D::int16*)this)[i];
+    }
+
+    inline const G3D::int16& operator[] (int i) const {
+        debugAssert(i <= 2);
+        return ((G3D::int16*)this)[i];
+    }
+
+    inline Vector3int16 operator+(const Vector3int16& other) const {
+        return Vector3int16(x + other.x, y + other.y, z + other.z);
+    }
+
+    inline Vector3int16 operator-(const Vector3int16& other) const {
+        return Vector3int16(x - other.x, y - other.y, z - other.z);
+    }
+
+    inline Vector3int16 operator*(const Vector3int16& other) const {
+        return Vector3int16(x * other.x, y * other.y, z * other.z);
+    }
+
+    inline Vector3int16 operator*(const int s) const {
+        return Vector3int16(int16(x * s), int16(y * s), int16(z * s));
+    }
+
+    inline Vector3int16& operator+=(const Vector3int16& other) {
+        x += other.x;
+        y += other.y;
+        z += other.y;
+        return *this;
+    }
+
+    inline Vector3int16& operator-=(const Vector3int16& other) {
+        x -= other.x;
+        y -= other.y;
+        z -= other.z;
+        return *this;
+    }
+
+    inline Vector3int16& operator*=(const Vector3int16& other) {
+        x *= other.x;
+        y *= other.y;
+        z *= other.z;
+        return *this;
+    }
+
+    inline bool operator== (const Vector3int16& rkVector) const {
+        return ( x == rkVector.x && y == rkVector.y && z == rkVector.z );
+    }
+
+    inline bool operator!= (const Vector3int16& rkVector) const {
+        return ( x != rkVector.x || y != rkVector.y || z != rkVector.z );
+    }
+
+    Vector3int16 max(const Vector3int16& v) const {
+        return Vector3int16(std::max(x, v.x), std::max(y, v.y), std::max(z, v.z));
+    }
+
+    Vector3int16 min(const Vector3int16& v) const {
+        return Vector3int16(std::min(x, v.x), std::min(y, v.y), std::min(z, v.z));
+    }
+
+    std::string toString() const;
+}
+G3D_END_PACKED_CLASS(2)
+
+}
+
+template <> struct HashTrait<G3D::Vector3int16> {
+    static size_t hashCode(const G3D::Vector3int16& key) { return static_cast<size_t>(key.x + ((int)key.y << 5) + ((int)key.z << 10)); }
+};
+
+#endif