diff options
Diffstat (limited to 'extern/bullet2/BulletDynamics/ConstraintSolver/btTypedConstraint.h')
| -rw-r--r-- | extern/bullet2/BulletDynamics/ConstraintSolver/btTypedConstraint.h | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/extern/bullet2/BulletDynamics/ConstraintSolver/btTypedConstraint.h b/extern/bullet2/BulletDynamics/ConstraintSolver/btTypedConstraint.h deleted file mode 100644 index b24dc4a40ed..00000000000 --- a/extern/bullet2/BulletDynamics/ConstraintSolver/btTypedConstraint.h +++ /dev/null @@ -1,302 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2010 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 TYPED_CONSTRAINT_H -#define TYPED_CONSTRAINT_H - -class btRigidBody; -#include "LinearMath/btScalar.h" -#include "btSolverConstraint.h" -#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h" - -class btSerializer; - -enum btTypedConstraintType -{ - POINT2POINT_CONSTRAINT_TYPE=MAX_CONTACT_MANIFOLD_TYPE+1, - HINGE_CONSTRAINT_TYPE, - CONETWIST_CONSTRAINT_TYPE, - D6_CONSTRAINT_TYPE, - SLIDER_CONSTRAINT_TYPE, - CONTACT_CONSTRAINT_TYPE -}; - - -enum btConstraintParams -{ - BT_CONSTRAINT_ERP=1, - BT_CONSTRAINT_STOP_ERP, - BT_CONSTRAINT_CFM, - BT_CONSTRAINT_STOP_CFM -}; - -#if 1 - #define btAssertConstrParams(_par) btAssert(_par) -#else - #define btAssertConstrParams(_par) -#endif - - -///TypedConstraint is the baseclass for Bullet constraints and vehicles -class btTypedConstraint : public btTypedObject -{ - int m_userConstraintType; - int m_userConstraintId; - bool m_needsFeedback; - - btTypedConstraint& operator=(btTypedConstraint& other) - { - btAssert(0); - (void) other; - return *this; - } - -protected: - btRigidBody& m_rbA; - btRigidBody& m_rbB; - btScalar m_appliedImpulse; - btScalar m_dbgDrawSize; - - ///internal method used by the constraint solver, don't use them directly - btScalar getMotorFactor(btScalar pos, btScalar lowLim, btScalar uppLim, btScalar vel, btScalar timeFact); - - static btRigidBody& getFixedBody() - { - static btRigidBody s_fixed(0, 0,0); - s_fixed.setMassProps(btScalar(0.),btVector3(btScalar(0.),btScalar(0.),btScalar(0.))); - return s_fixed; - } - - -public: - - virtual ~btTypedConstraint() {}; - btTypedConstraint(btTypedConstraintType type, btRigidBody& rbA); - btTypedConstraint(btTypedConstraintType type, btRigidBody& rbA,btRigidBody& rbB); - - struct btConstraintInfo1 { - int m_numConstraintRows,nub; - }; - - struct btConstraintInfo2 { - // integrator parameters: frames per second (1/stepsize), default error - // reduction parameter (0..1). - btScalar fps,erp; - - // for the first and second body, pointers to two (linear and angular) - // n*3 jacobian sub matrices, stored by rows. these matrices will have - // been initialized to 0 on entry. if the second body is zero then the - // J2xx pointers may be 0. - btScalar *m_J1linearAxis,*m_J1angularAxis,*m_J2linearAxis,*m_J2angularAxis; - - // elements to jump from one row to the next in J's - int rowskip; - - // right hand sides of the equation J*v = c + cfm * lambda. cfm is the - // "constraint force mixing" vector. c is set to zero on entry, cfm is - // set to a constant value (typically very small or zero) value on entry. - btScalar *m_constraintError,*cfm; - - // lo and hi limits for variables (set to -/+ infinity on entry). - btScalar *m_lowerLimit,*m_upperLimit; - - // findex vector for variables. see the LCP solver interface for a - // description of what this does. this is set to -1 on entry. - // note that the returned indexes are relative to the first index of - // the constraint. - int *findex; - // number of solver iterations - int m_numIterations; - }; - - ///internal method used by the constraint solver, don't use them directly - virtual void buildJacobian() {}; - - ///internal method used by the constraint solver, don't use them directly - virtual void setupSolverConstraint(btConstraintArray& ca, int solverBodyA,int solverBodyB, btScalar timeStep) - { - (void)ca; - (void)solverBodyA; - (void)solverBodyB; - (void)timeStep; - } - - ///internal method used by the constraint solver, don't use them directly - virtual void getInfo1 (btConstraintInfo1* info)=0; - - ///internal method used by the constraint solver, don't use them directly - virtual void getInfo2 (btConstraintInfo2* info)=0; - - ///internal method used by the constraint solver, don't use them directly - void internalSetAppliedImpulse(btScalar appliedImpulse) - { - m_appliedImpulse = appliedImpulse; - } - ///internal method used by the constraint solver, don't use them directly - btScalar internalGetAppliedImpulse() - { - return m_appliedImpulse; - } - - ///internal method used by the constraint solver, don't use them directly - virtual void solveConstraintObsolete(btRigidBody& bodyA,btRigidBody& bodyB,btScalar timeStep) {}; - - - const btRigidBody& getRigidBodyA() const - { - return m_rbA; - } - const btRigidBody& getRigidBodyB() const - { - return m_rbB; - } - - btRigidBody& getRigidBodyA() - { - return m_rbA; - } - btRigidBody& getRigidBodyB() - { - return m_rbB; - } - - int getUserConstraintType() const - { - return m_userConstraintType ; - } - - void setUserConstraintType(int userConstraintType) - { - m_userConstraintType = userConstraintType; - }; - - void setUserConstraintId(int uid) - { - m_userConstraintId = uid; - } - - int getUserConstraintId() const - { - return m_userConstraintId; - } - - int getUid() const - { - return m_userConstraintId; - } - - bool needsFeedback() const - { - return m_needsFeedback; - } - - ///enableFeedback will allow to read the applied linear and angular impulse - ///use getAppliedImpulse, getAppliedLinearImpulse and getAppliedAngularImpulse to read feedback information - void enableFeedback(bool needsFeedback) - { - m_needsFeedback = needsFeedback; - } - - ///getAppliedImpulse is an estimated total applied impulse. - ///This feedback could be used to determine breaking constraints or playing sounds. - btScalar getAppliedImpulse() const - { - btAssert(m_needsFeedback); - return m_appliedImpulse; - } - - btTypedConstraintType getConstraintType () const - { - return btTypedConstraintType(m_objectType); - } - - void setDbgDrawSize(btScalar dbgDrawSize) - { - m_dbgDrawSize = dbgDrawSize; - } - btScalar getDbgDrawSize() - { - return m_dbgDrawSize; - } - - ///override the default global value of a parameter (such as ERP or CFM), optionally provide the axis (0..5). - ///If no axis is provided, it uses the default axis for this constraint. - virtual void setParam(int num, btScalar value, int axis = -1) = 0; - - ///return the local value of parameter - virtual btScalar getParam(int num, int axis = -1) const = 0; - - virtual int calculateSerializeBufferSize() const; - - ///fills the dataBuffer and returns the struct name (and 0 on failure) - virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const; - -}; - -// returns angle in range [-SIMD_2_PI, SIMD_2_PI], closest to one of the limits -// all arguments should be normalized angles (i.e. in range [-SIMD_PI, SIMD_PI]) -SIMD_FORCE_INLINE btScalar btAdjustAngleToLimits(btScalar angleInRadians, btScalar angleLowerLimitInRadians, btScalar angleUpperLimitInRadians) -{ - if(angleLowerLimitInRadians >= angleUpperLimitInRadians) - { - return angleInRadians; - } - else if(angleInRadians < angleLowerLimitInRadians) - { - btScalar diffLo = btNormalizeAngle(angleLowerLimitInRadians - angleInRadians); // this is positive - btScalar diffHi = btFabs(btNormalizeAngle(angleUpperLimitInRadians - angleInRadians)); - return (diffLo < diffHi) ? angleInRadians : (angleInRadians + SIMD_2_PI); - } - else if(angleInRadians > angleUpperLimitInRadians) - { - btScalar diffHi = btNormalizeAngle(angleInRadians - angleUpperLimitInRadians); // this is positive - btScalar diffLo = btFabs(btNormalizeAngle(angleInRadians - angleLowerLimitInRadians)); - return (diffLo < diffHi) ? (angleInRadians - SIMD_2_PI) : angleInRadians; - } - else - { - return angleInRadians; - } -} - -///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64 -struct btTypedConstraintData -{ - btRigidBodyData *m_rbA; - btRigidBodyData *m_rbB; - char *m_name; - - int m_objectType; - int m_userConstraintType; - int m_userConstraintId; - int m_needsFeedback; - - float m_appliedImpulse; - float m_dbgDrawSize; - - int m_disableCollisionsBetweenLinkedBodies; - char m_pad4[4]; - -}; - -SIMD_FORCE_INLINE int btTypedConstraint::calculateSerializeBufferSize() const -{ - return sizeof(btTypedConstraintData); -} - - - - -#endif //TYPED_CONSTRAINT_H |