Add Character control to btDiscreteDynamicsWorld (moved btCharacterControllerInterface/btKinematicCharacterController functionality from demo)

Remove ibmsdk from CcdPhysicsDemo and CollisionDemo

src/BulletDynamics/Character/btCharacterControllerInterface.h

@@ -0,0 +1,43 @@
+/*
+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 CHARACTER_CONTROLLER_INTERFACE_H
+#define CHARACTER_CONTROLLER_INTERFACE_H
+
+#include "LinearMath/btVector3.h"
+
+class btCollisionShape;
+class btRigidBody;
+class btCollisionWorld;
+
+class btCharacterControllerInterface
+{
+public:
+	btCharacterControllerInterface () {};
+	virtual ~btCharacterControllerInterface () {};
+	
+	virtual void	setWalkDirection(const btVector3& walkDirection) = 0;
+	virtual void	reset () = 0;
+	virtual void	warp (const btVector3& origin) = 0;
+
+	virtual void	preStep ( btCollisionWorld* collisionWorld) = 0;
+	virtual void	playerStep (btCollisionWorld* collisionWorld, btScalar dt) = 0;
+	virtual bool	canJump () const = 0;
+	virtual void	jump () = 0;
+
+	virtual bool	onGround () const = 0;
+};
+
+#endif