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Diffstat (limited to 'thirdparty/bullet/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.h')
| -rw-r--r-- | thirdparty/bullet/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.h | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/thirdparty/bullet/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.h b/thirdparty/bullet/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.h deleted file mode 100644 index 16c7eb74c1..0000000000 --- a/thirdparty/bullet/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.h +++ /dev/null @@ -1,196 +0,0 @@ -/* -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 BT_SEQUENTIAL_IMPULSE_CONSTRAINT_SOLVER_H -#define BT_SEQUENTIAL_IMPULSE_CONSTRAINT_SOLVER_H - -class btIDebugDraw; -class btPersistentManifold; -class btDispatcher; -class btCollisionObject; -#include "BulletDynamics/ConstraintSolver/btTypedConstraint.h" -#include "BulletDynamics/ConstraintSolver/btContactSolverInfo.h" -#include "BulletDynamics/ConstraintSolver/btSolverBody.h" -#include "BulletDynamics/ConstraintSolver/btSolverConstraint.h" -#include "BulletCollision/NarrowPhaseCollision/btManifoldPoint.h" -#include "BulletDynamics/ConstraintSolver/btConstraintSolver.h" - -typedef btSimdScalar(*btSingleConstraintRowSolver)(btSolverBody&, btSolverBody&, const btSolverConstraint&); - -///The btSequentialImpulseConstraintSolver is a fast SIMD implementation of the Projected Gauss Seidel (iterative LCP) method. -ATTRIBUTE_ALIGNED16(class) btSequentialImpulseConstraintSolver : public btConstraintSolver -{ -protected: - btAlignedObjectArray<btSolverBody> m_tmpSolverBodyPool; - btConstraintArray m_tmpSolverContactConstraintPool; - btConstraintArray m_tmpSolverNonContactConstraintPool; - btConstraintArray m_tmpSolverContactFrictionConstraintPool; - btConstraintArray m_tmpSolverContactRollingFrictionConstraintPool; - - btAlignedObjectArray<int> m_orderTmpConstraintPool; - btAlignedObjectArray<int> m_orderNonContactConstraintPool; - btAlignedObjectArray<int> m_orderFrictionConstraintPool; - btAlignedObjectArray<btTypedConstraint::btConstraintInfo1> m_tmpConstraintSizesPool; - int m_maxOverrideNumSolverIterations; - int m_fixedBodyId; - // When running solvers on multiple threads, a race condition exists for Kinematic objects that - // participate in more than one solver. - // The getOrInitSolverBody() function writes the companionId of each body (storing the index of the solver body - // for the current solver). For normal dynamic bodies it isn't an issue because they can only be in one island - // (and therefore one thread) at a time. But kinematic bodies can be in multiple islands at once. - // To avoid this race condition, this solver does not write the companionId, instead it stores the solver body - // index in this solver-local table, indexed by the uniqueId of the body. - btAlignedObjectArray<int> m_kinematicBodyUniqueIdToSolverBodyTable; // only used for multithreading - - btSingleConstraintRowSolver m_resolveSingleConstraintRowGeneric; - btSingleConstraintRowSolver m_resolveSingleConstraintRowLowerLimit; - btSingleConstraintRowSolver m_resolveSplitPenetrationImpulse; - int m_cachedSolverMode; // used to check if SOLVER_SIMD flag has been changed - void setupSolverFunctions( bool useSimd ); - - btScalar m_leastSquaresResidual; - - void setupFrictionConstraint( btSolverConstraint& solverConstraint, const btVector3& normalAxis,int solverBodyIdA,int solverBodyIdB, - btManifoldPoint& cp,const btVector3& rel_pos1,const btVector3& rel_pos2, - btCollisionObject* colObj0,btCollisionObject* colObj1, btScalar relaxation, - const btContactSolverInfo& infoGlobal, - btScalar desiredVelocity=0., btScalar cfmSlip=0.); - - void setupTorsionalFrictionConstraint( btSolverConstraint& solverConstraint, const btVector3& normalAxis,int solverBodyIdA,int solverBodyIdB, - btManifoldPoint& cp,btScalar combinedTorsionalFriction, const btVector3& rel_pos1,const btVector3& rel_pos2, - btCollisionObject* colObj0,btCollisionObject* colObj1, btScalar relaxation, - btScalar desiredVelocity=0., btScalar cfmSlip=0.); - - btSolverConstraint& addFrictionConstraint(const btVector3& normalAxis,int solverBodyIdA,int solverBodyIdB,int frictionIndex,btManifoldPoint& cp,const btVector3& rel_pos1,const btVector3& rel_pos2,btCollisionObject* colObj0,btCollisionObject* colObj1, btScalar relaxation, const btContactSolverInfo& infoGlobal, btScalar desiredVelocity=0., btScalar cfmSlip=0.); - btSolverConstraint& addTorsionalFrictionConstraint(const btVector3& normalAxis,int solverBodyIdA,int solverBodyIdB,int frictionIndex,btManifoldPoint& cp,btScalar torsionalFriction, const btVector3& rel_pos1,const btVector3& rel_pos2,btCollisionObject* colObj0,btCollisionObject* colObj1, btScalar relaxation, btScalar desiredVelocity=0, btScalar cfmSlip=0.f); - - - void setupContactConstraint(btSolverConstraint& solverConstraint, int solverBodyIdA, int solverBodyIdB, btManifoldPoint& cp, - const btContactSolverInfo& infoGlobal,btScalar& relaxation, const btVector3& rel_pos1, const btVector3& rel_pos2); - - static void applyAnisotropicFriction(btCollisionObject* colObj,btVector3& frictionDirection, int frictionMode); - - void setFrictionConstraintImpulse( btSolverConstraint& solverConstraint, int solverBodyIdA,int solverBodyIdB, - btManifoldPoint& cp, const btContactSolverInfo& infoGlobal); - - ///m_btSeed2 is used for re-arranging the constraint rows. improves convergence/quality of friction - unsigned long m_btSeed2; - - - btScalar restitutionCurve(btScalar rel_vel, btScalar restitution, btScalar velocityThreshold); - - virtual void convertContacts(btPersistentManifold** manifoldPtr, int numManifolds, const btContactSolverInfo& infoGlobal); - - void convertContact(btPersistentManifold* manifold,const btContactSolverInfo& infoGlobal); - - - btSimdScalar resolveSplitPenetrationSIMD(btSolverBody& bodyA,btSolverBody& bodyB, const btSolverConstraint& contactConstraint) - { - return m_resolveSplitPenetrationImpulse( bodyA, bodyB, contactConstraint ); - } - - btSimdScalar resolveSplitPenetrationImpulseCacheFriendly(btSolverBody& bodyA,btSolverBody& bodyB, const btSolverConstraint& contactConstraint) - { - return m_resolveSplitPenetrationImpulse( bodyA, bodyB, contactConstraint ); - } - - //internal method - int getOrInitSolverBody(btCollisionObject& body,btScalar timeStep); - void initSolverBody(btSolverBody* solverBody, btCollisionObject* collisionObject, btScalar timeStep); - - btSimdScalar resolveSingleConstraintRowGeneric(btSolverBody& bodyA,btSolverBody& bodyB,const btSolverConstraint& contactConstraint); - btSimdScalar resolveSingleConstraintRowGenericSIMD(btSolverBody& bodyA,btSolverBody& bodyB,const btSolverConstraint& contactConstraint); - btSimdScalar resolveSingleConstraintRowLowerLimit(btSolverBody& bodyA,btSolverBody& bodyB,const btSolverConstraint& contactConstraint); - btSimdScalar resolveSingleConstraintRowLowerLimitSIMD(btSolverBody& bodyA,btSolverBody& bodyB,const btSolverConstraint& contactConstraint); - btSimdScalar resolveSplitPenetrationImpulse(btSolverBody& bodyA,btSolverBody& bodyB, const btSolverConstraint& contactConstraint) - { - return m_resolveSplitPenetrationImpulse( bodyA, bodyB, contactConstraint ); - } - -protected: - - - virtual void solveGroupCacheFriendlySplitImpulseIterations(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); - virtual btScalar solveGroupCacheFriendlyFinish(btCollisionObject** bodies,int numBodies,const btContactSolverInfo& infoGlobal); - virtual btScalar solveSingleIteration(int iteration, btCollisionObject** bodies ,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); - - virtual btScalar solveGroupCacheFriendlySetup(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); - virtual btScalar solveGroupCacheFriendlyIterations(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer); - - -public: - - BT_DECLARE_ALIGNED_ALLOCATOR(); - - btSequentialImpulseConstraintSolver(); - virtual ~btSequentialImpulseConstraintSolver(); - - virtual btScalar solveGroup(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifold,int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& info, btIDebugDraw* debugDrawer,btDispatcher* dispatcher); - - ///clear internal cached data and reset random seed - virtual void reset(); - - unsigned long btRand2(); - - int btRandInt2 (int n); - - void setRandSeed(unsigned long seed) - { - m_btSeed2 = seed; - } - unsigned long getRandSeed() const - { - return m_btSeed2; - } - - - virtual btConstraintSolverType getSolverType() const - { - return BT_SEQUENTIAL_IMPULSE_SOLVER; - } - - btSingleConstraintRowSolver getActiveConstraintRowSolverGeneric() - { - return m_resolveSingleConstraintRowGeneric; - } - void setConstraintRowSolverGeneric(btSingleConstraintRowSolver rowSolver) - { - m_resolveSingleConstraintRowGeneric = rowSolver; - } - btSingleConstraintRowSolver getActiveConstraintRowSolverLowerLimit() - { - return m_resolveSingleConstraintRowLowerLimit; - } - void setConstraintRowSolverLowerLimit(btSingleConstraintRowSolver rowSolver) - { - m_resolveSingleConstraintRowLowerLimit = rowSolver; - } - - ///Various implementations of solving a single constraint row using a generic equality constraint, using scalar reference, SSE2 or SSE4 - btSingleConstraintRowSolver getScalarConstraintRowSolverGeneric(); - btSingleConstraintRowSolver getSSE2ConstraintRowSolverGeneric(); - btSingleConstraintRowSolver getSSE4_1ConstraintRowSolverGeneric(); - - ///Various implementations of solving a single constraint row using an inequality (lower limit) constraint, using scalar reference, SSE2 or SSE4 - btSingleConstraintRowSolver getScalarConstraintRowSolverLowerLimit(); - btSingleConstraintRowSolver getSSE2ConstraintRowSolverLowerLimit(); - btSingleConstraintRowSolver getSSE4_1ConstraintRowSolverLowerLimit(); -}; - - - - -#endif //BT_SEQUENTIAL_IMPULSE_CONSTRAINT_SOLVER_H - |