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diff --git a/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3SolverConstraint.h b/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3SolverConstraint.h
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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
+
+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 B3_SOLVER_CONSTRAINT_H
+#define B3_SOLVER_CONSTRAINT_H
+
+
+#include "Bullet3Common/b3Vector3.h"
+#include "Bullet3Common/b3Matrix3x3.h"
+//#include "b3JacobianEntry.h"
+#include "Bullet3Common/b3AlignedObjectArray.h"
+
+//#define NO_FRICTION_TANGENTIALS 1
+#include "b3SolverBody.h"
+
+
+///1D constraint along a normal axis between bodyA and bodyB. It can be combined to solve contact and friction constraints.
+B3_ATTRIBUTE_ALIGNED16 (struct) b3SolverConstraint
+{
+ B3_DECLARE_ALIGNED_ALLOCATOR();
+
+ b3Vector3 m_relpos1CrossNormal;
+ b3Vector3 m_contactNormal;
+
+ b3Vector3 m_relpos2CrossNormal;
+ //b3Vector3 m_contactNormal2;//usually m_contactNormal2 == -m_contactNormal
+
+ b3Vector3 m_angularComponentA;
+ b3Vector3 m_angularComponentB;
+
+ mutable b3SimdScalar m_appliedPushImpulse;
+ mutable b3SimdScalar m_appliedImpulse;
+ int m_padding1;
+ int m_padding2;
+ b3Scalar m_friction;
+ b3Scalar m_jacDiagABInv;
+ b3Scalar m_rhs;
+ b3Scalar m_cfm;
+
+ b3Scalar m_lowerLimit;
+ b3Scalar m_upperLimit;
+ b3Scalar m_rhsPenetration;
+ union
+ {
+ void* m_originalContactPoint;
+ b3Scalar m_unusedPadding4;
+ };
+
+ int m_overrideNumSolverIterations;
+ int m_frictionIndex;
+ int m_solverBodyIdA;
+ int m_solverBodyIdB;
+
+
+ enum b3SolverConstraintType
+ {
+ B3_SOLVER_CONTACT_1D = 0,
+ B3_SOLVER_FRICTION_1D
+ };
+};
+
+typedef b3AlignedObjectArray<b3SolverConstraint> b3ConstraintArray;
+
+
+#endif //B3_SOLVER_CONSTRAINT_H
+
+
+