Sync Bullet to upstream

This syncs Bullet to the latest upstream git version as of writing this.
(commit 47b0259b9700455022b5cf79b651cc1dc71dd59e).

1 files changed, 33 insertions, 13 deletions

diff --git a/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyJointMotor.h b/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyJointMotor.h
index 011aadcfa4b..1aca36352e7 100644
--- a/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyJointMotor.h
+++ b/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyJointMotor.h
@@ -24,34 +24,54 @@ struct btSolverInfo;
 class btMultiBodyJointMotor : public btMultiBodyConstraint
 {
 protected:
-
-
-	btScalar	m_desiredVelocity;
+	btScalar m_desiredVelocity;
+	btScalar m_desiredPosition;
+	btScalar m_kd;
+	btScalar m_kp;
+	btScalar m_erp;
+	btScalar m_rhsClamp;  //maximum error
 
 public:
-
 	btMultiBodyJointMotor(btMultiBody* body, int link, btScalar desiredVelocity, btScalar maxMotorImpulse);
 	btMultiBodyJointMotor(btMultiBody* body, int link, int linkDoF, btScalar desiredVelocity, btScalar maxMotorImpulse);
 	virtual ~btMultiBodyJointMotor();
-    virtual void finalizeMultiDof();
+	virtual void finalizeMultiDof();
 
 	virtual int getIslandIdA() const;
 	virtual int getIslandIdB() const;
 
 	virtual void createConstraintRows(btMultiBodyConstraintArray& constraintRows,
-		btMultiBodyJacobianData& data,
-		const btContactSolverInfo& infoGlobal);
+									  btMultiBodyJacobianData& data,
+									  const btContactSolverInfo& infoGlobal);
+
+	virtual void setVelocityTarget(btScalar velTarget, btScalar kd = 1.f)
+	{
+		m_desiredVelocity = velTarget;
+		m_kd = kd;
+	}
 
-    virtual void setVelocityTarget(btScalar velTarget)
-    {
-        m_desiredVelocity = velTarget;
-    }
+	virtual void setPositionTarget(btScalar posTarget, btScalar kp = 1.f)
+	{
+		m_desiredPosition = posTarget;
+		m_kp = kp;
+	}
 
+	virtual void setErp(btScalar erp)
+	{
+		m_erp = erp;
+	}
+	virtual btScalar getErp() const
+	{
+		return m_erp;
+	}
+	virtual void setRhsClamp(btScalar rhsClamp)
+	{
+		m_rhsClamp = rhsClamp;
+	}
 	virtual void debugDraw(class btIDebugDraw* drawer)
 	{
 		//todo(erwincoumans)
 	}
 };
 
-#endif //BT_MULTIBODY_JOINT_MOTOR_H
-
+#endif  //BT_MULTIBODY_JOINT_MOTOR_H