diff --git a/math/quat.cpp b/math/quat.cpp
index cc6d2695f1c..324557dd26c 100644
--- a/math/quat.cpp
+++ b/math/quat.cpp
@@ -87,5 +87,5 @@ Matrix4 Quaternion::toMatrix() {
 	dst.setData(newMat);
 	return dst;
 }
-	
+
 }
diff --git a/math/quat.h b/math/quat.h
index c544d3e1ba3..4e802261bc8 100644
--- a/math/quat.h
+++ b/math/quat.h
@@ -41,13 +41,15 @@ public:
 	Quaternion() : Vector4d(0, 0, 0, 0) {}
 	Quaternion(float lx, float ly, float lz, float lw) : Vector4d(lx, ly, lz, lw) {}
 	Quaternion(const Quaternion &q) : Vector4d(q.x(), q.y(), q.z(), q.w()) {} 
-
+	Quaternion(const Vector4d &vec) : Vector4d(vec.x(), vec.y(), vec.z(), vec.w()) {}
+	
 	Matrix4 toMatrix();
 	void slerpQuat(Quaternion dst, const Quaternion from, const Quaternion to, const float t);
 	
 	inline static Quaternion get_quaternion(const char *data) {
 		return Quaternion(get_float(data), get_float(data + 4), get_float(data + 8), get_float(data + 12));
 	}
+	Quaternion& operator=(Vector4d &vec);
 };
 
 } // end of namespace Math
diff --git a/math/vector2d.cpp b/math/vector2d.cpp
index 3743fe5e782..94d41e311f8 100644
--- a/math/vector2d.cpp
+++ b/math/vector2d.cpp
@@ -21,7 +21,7 @@
  */
 
 #include "math/vector2d.h"
-
+#include "common/stream.h"
 #include "common/streamdebug.h"
 
 namespace Math {
@@ -66,5 +66,12 @@ Vector3d Vector2d::toVector3d() const {
 	Vector3d v(value(0), value(1), 0);
 	return v;
 }
+	
+void Vector2d::readFromStream(Common::ReadStream *stream) {
+	char buf[8];
+	stream->read(buf, 8);
+	setX(get_float(buf));
+	setY(get_float(buf + 4));
+}
 
 }
diff --git a/math/vector2d.h b/math/vector2d.h
index d48ff8153b6..79b0780b0a4 100644
--- a/math/vector2d.h
+++ b/math/vector2d.h
@@ -26,6 +26,10 @@
 #include "math/vector.h"
 #include "math/vector3d.h"
 
+namespace Common {
+class ReadStream;
+}
+
 namespace Math {
 
 template<>
@@ -45,6 +49,12 @@ public:
 	Angle getAngle() const;
 
 	Vector3d toVector3d() const;
+	
+	/**
+	 * Reads 2 floats from the passed stream, and uses them
+	 * as x and y in chronological order.
+	 */
+	void readFromStream(Common::ReadStream *stream);
 };
 
 typedef Matrix<2, 1> Vector2d;
diff --git a/math/vector3d.cpp b/math/vector3d.cpp
index 483a63b7e81..0ee456cb1de 100644
--- a/math/vector3d.cpp
+++ b/math/vector3d.cpp
@@ -21,7 +21,7 @@
  */
 
 #include "common/streamdebug.h"
-
+#include "common/stream.h"
 #include "math/vector3d.h"
 
 namespace Math {
@@ -55,5 +55,13 @@ void Vector3d::set(float lx, float ly, float lz) {
 Angle Vector3d::unitCircleAngle() const {
 	return Angle::arcTangent2(y(), x());
 }
-
+	
+void Vector3d::readFromStream(Common::ReadStream *stream) {
+	char buf[12];
+	stream->read(buf, 12);
+	x() = get_float(buf);
+	y() = get_float(buf + 4);
+	z() = get_float(buf + 8);
 }
+
+} // end of namespace Math
diff --git a/math/vector3d.h b/math/vector3d.h
index e831c3ad2c5..8eb31e7a6fc 100644
--- a/math/vector3d.h
+++ b/math/vector3d.h
@@ -29,6 +29,10 @@
 #include "math/vector.h"
 #include "math/angle.h"
 
+namespace Common {
+class ReadStream;
+}
+
 namespace Math {
 
 typedef Matrix<3, 1> Vector3d;
@@ -67,7 +71,12 @@ public:
 	inline static Vector3d get_vector3d(const char *data) {
 		return Vector3d(get_float(data), get_float(data + 4), get_float(data + 8));
 	}
-
+	
+	/**
+	 * Reads 3 floats from the passed stream, and uses them
+	 * as x,y,z in chronological order.
+	 */
+	void readFromStream(Common::ReadStream *stream);
 };
 
 } // end of namespace Math
diff --git a/math/vector4d.cpp b/math/vector4d.cpp
index bdaecd07489..14dfa6aab5a 100644
--- a/math/vector4d.cpp
+++ b/math/vector4d.cpp
@@ -21,7 +21,7 @@
  */
 
 #include "common/streamdebug.h"
-
+#include "common/stream.h"
 #include "math/vector4d.h"
 
 namespace Math {
@@ -50,5 +50,14 @@ Vector4d::Matrix(const float *data) :
 void Vector4d::set(float lx, float ly, float lz, float lw) {
 	x() = lx; y() = ly; z() = lz; w() = lw;
 }
-
+	
+void Vector4d::readFromStream(Common::ReadStream *stream) {
+	char buf[16];
+	stream->read(buf, 16);
+	x() = get_float(buf);
+	y() = get_float(buf + 4);
+	z() = get_float(buf + 8);
+	w() = get_float(buf + 12);
 }
+	
+} // end of namespace Math
diff --git a/math/vector4d.h b/math/vector4d.h
index c58c82e9d1b..425e1a785e7 100644
--- a/math/vector4d.h
+++ b/math/vector4d.h
@@ -29,6 +29,10 @@
 #include "math/vector.h"
 #include "math/angle.h"
 
+namespace Common {
+class ReadStream;
+}
+
 namespace Math {
 
 typedef Matrix<4, 1> Vector4d;
@@ -59,7 +63,12 @@ public:
 	inline static Vector4d get_vector4d(const char *data) {
 		return Vector4d(get_float(data), get_float(data + 4), get_float(data + 8), get_float(data + 12));
 	}
-
+	
+	/**
+	 * Reads 4 floats from the passed stream, and uses them
+	 * as x,y,z,w in chronological order.
+	 */
+	void readFromStream(Common::ReadStream *stream);
 };
 
 } // end of namespace Math