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diff --git a/extern/bullet2/BulletDynamics/Character/btKinematicCharacterController.h b/extern/bullet2/BulletDynamics/Character/btKinematicCharacterController.h
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+++ b/extern/bullet2/BulletDynamics/Character/btKinematicCharacterController.h
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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2008 Erwin Coumans  http://bulletphysics.com
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose, 
+including commercial applications, and to alter it and redistribute it freely, 
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef KINEMATIC_CHARACTER_CONTROLLER_H
+#define KINEMATIC_CHARACTER_CONTROLLER_H
+
+#include "LinearMath/btVector3.h"
+
+#include "btCharacterControllerInterface.h"
+
+#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h"
+
+
+class btCollisionShape;
+class btRigidBody;
+class btCollisionWorld;
+class btCollisionDispatcher;
+class btPairCachingGhostObject;
+
+///btKinematicCharacterController is an object that supports a sliding motion in a world.
+///It uses a ghost object and convex sweep test to test for upcoming collisions. This is combined with discrete collision detection to recover from penetrations.
+///Interaction between btKinematicCharacterController and dynamic rigid bodies needs to be explicity implemented by the user.
+class btKinematicCharacterController : public btCharacterControllerInterface
+{
+protected:
+
+	btScalar m_halfHeight;
+	
+	btPairCachingGhostObject* m_ghostObject;
+	btConvexShape*	m_convexShape;//is also in m_ghostObject, but it needs to be convex, so we store it here to avoid upcast
+	
+	btScalar m_fallSpeed;
+	btScalar m_jumpSpeed;
+	btScalar m_maxJumpHeight;
+
+	btScalar m_turnAngle;
+	
+	btScalar m_stepHeight;
+
+	btScalar	m_addedMargin;//@todo: remove this and fix the code
+
+	///this is the desired walk direction, set by the user
+	btVector3	m_walkDirection;
+	btVector3	m_normalizedDirection;
+
+	//some internal variables
+	btVector3 m_currentPosition;
+	btScalar  m_currentStepOffset;
+	btVector3 m_targetPosition;
+
+	///keep track of the contact manifolds
+	btManifoldArray	m_manifoldArray;
+
+	bool m_touchingContact;
+	btVector3 m_touchingNormal;
+
+	bool	m_useGhostObjectSweepTest;
+	bool	m_useWalkDirection;
+	btScalar	m_velocityTimeInterval;
+	int m_upAxis;
+
+	static btVector3* getUpAxisDirections();
+
+	btVector3 computeReflectionDirection (const btVector3& direction, const btVector3& normal);
+	btVector3 parallelComponent (const btVector3& direction, const btVector3& normal);
+	btVector3 perpindicularComponent (const btVector3& direction, const btVector3& normal);
+
+	bool recoverFromPenetration ( btCollisionWorld* collisionWorld);
+	void stepUp (btCollisionWorld* collisionWorld);
+	void updateTargetPositionBasedOnCollision (const btVector3& hit_normal, btScalar tangentMag = btScalar(0.0), btScalar normalMag = btScalar(1.0));
+	void stepForwardAndStrafe (btCollisionWorld* collisionWorld, const btVector3& walkMove);
+	void stepDown (btCollisionWorld* collisionWorld, btScalar dt);
+public:
+	btKinematicCharacterController (btPairCachingGhostObject* ghostObject,btConvexShape* convexShape,btScalar stepHeight, int upAxis = 1);
+	~btKinematicCharacterController ();
+	
+
+	///btActionInterface interface
+	virtual void updateAction( btCollisionWorld* collisionWorld,btScalar deltaTime)
+	{
+		preStep ( collisionWorld);
+		playerStep (collisionWorld, deltaTime);
+	}
+	
+	///btActionInterface interface
+	void	debugDraw(btIDebugDraw* debugDrawer);
+
+	void setUpAxis (int axis)
+	{
+		if (axis < 0)
+			axis = 0;
+		if (axis > 2)
+			axis = 2;
+		m_upAxis = axis;
+	}
+
+	/// This should probably be called setPositionIncrementPerSimulatorStep.
+	/// This is neither a direction nor a velocity, but the amount to
+	///   increment the position each simulation iteration, regardless
+	///   of dt.
+	/// This call will reset any velocity set by setVelocityForTimeInterval().
+	virtual void	setWalkDirection(const btVector3& walkDirection);
+
+	/// Caller provides a velocity with which the character should move for
+	///   the given time period.  After the time period, velocity is reset
+	///   to zero.
+	/// This call will reset any walk direction set by setWalkDirection().
+	/// Negative time intervals will result in no motion.
+	virtual void setVelocityForTimeInterval(const btVector3& velocity,
+				btScalar timeInterval);
+
+	void reset ();
+	void warp (const btVector3& origin);
+
+	void preStep (  btCollisionWorld* collisionWorld);
+	void playerStep ( btCollisionWorld* collisionWorld, btScalar dt);
+
+	void setFallSpeed (btScalar fallSpeed);
+	void setJumpSpeed (btScalar jumpSpeed);
+	void setMaxJumpHeight (btScalar maxJumpHeight);
+	bool canJump () const;
+	void jump ();
+
+	btPairCachingGhostObject* getGhostObject();
+	void	setUseGhostSweepTest(bool useGhostObjectSweepTest)
+	{
+		m_useGhostObjectSweepTest = useGhostObjectSweepTest;
+	}
+
+	bool onGround () const;
+};
+
+#endif // KINEMATIC_CHARACTER_CONTROLLER_H