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authorRémi Verschelde <rverschelde@gmail.com>2020-01-08 18:05:43 +0100
committerRémi Verschelde <rverschelde@gmail.com>2020-01-08 18:05:43 +0100
commit29e07dfa4e42b871ee30e398b1c35d1aea68cd57 (patch)
tree77cf7199b8f656302f600ac1c98506042924a1e8 /thirdparty/bullet/BulletDynamics/Featherstone/btMultiBodyInplaceSolverIslandCallback.h
parent98222130bfe5ec90c1030c2d1e4554e990c5e0f9 (diff)
bullet: Sync with upstream 2.89
This allows distro unbundling again for distros that ship Bullet 2.89+.
Diffstat (limited to 'thirdparty/bullet/BulletDynamics/Featherstone/btMultiBodyInplaceSolverIslandCallback.h')
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1 files changed, 247 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBodyInplaceSolverIslandCallback.h b/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBodyInplaceSolverIslandCallback.h
new file mode 100644
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+++ b/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBodyInplaceSolverIslandCallback.h
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+/*
+ Bullet Continuous Collision Detection and Physics Library
+ Copyright (c) 2019 Google Inc. http://bulletphysics.org
+ 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_MULTIBODY_INPLACE_SOLVER_ISLAND_CALLBACK_H
+#define BT_MULTIBODY_INPLACE_SOLVER_ISLAND_CALLBACK_H
+
+#include "BulletDynamics/Featherstone/btMultiBodyConstraintSolver.h"
+#include "BulletCollision/CollisionDispatch/btSimulationIslandManager.h"
+#include "BulletDynamics/Featherstone/btMultiBodyDynamicsWorld.h"
+#include "btMultiBodyConstraintSolver.h"
+
+SIMD_FORCE_INLINE int btGetConstraintIslandId2(const btTypedConstraint* lhs)
+{
+ int islandId;
+
+ const btCollisionObject& rcolObj0 = lhs->getRigidBodyA();
+ const btCollisionObject& rcolObj1 = lhs->getRigidBodyB();
+ islandId = rcolObj0.getIslandTag() >= 0 ? rcolObj0.getIslandTag() : rcolObj1.getIslandTag();
+ return islandId;
+}
+class btSortConstraintOnIslandPredicate2
+{
+public:
+ bool operator()(const btTypedConstraint* lhs, const btTypedConstraint* rhs) const
+ {
+ int rIslandId0, lIslandId0;
+ rIslandId0 = btGetConstraintIslandId2(rhs);
+ lIslandId0 = btGetConstraintIslandId2(lhs);
+ return lIslandId0 < rIslandId0;
+ }
+};
+
+SIMD_FORCE_INLINE int btGetMultiBodyConstraintIslandId(const btMultiBodyConstraint* lhs)
+{
+ int islandId;
+
+ int islandTagA = lhs->getIslandIdA();
+ int islandTagB = lhs->getIslandIdB();
+ islandId = islandTagA >= 0 ? islandTagA : islandTagB;
+ return islandId;
+}
+
+class btSortMultiBodyConstraintOnIslandPredicate
+{
+public:
+ bool operator()(const btMultiBodyConstraint* lhs, const btMultiBodyConstraint* rhs) const
+ {
+ int rIslandId0, lIslandId0;
+ rIslandId0 = btGetMultiBodyConstraintIslandId(rhs);
+ lIslandId0 = btGetMultiBodyConstraintIslandId(lhs);
+ return lIslandId0 < rIslandId0;
+ }
+};
+
+struct MultiBodyInplaceSolverIslandCallback : public btSimulationIslandManager::IslandCallback
+{
+
+ btContactSolverInfo* m_solverInfo;
+ btMultiBodyConstraintSolver* m_solver;
+ btMultiBodyConstraint** m_multiBodySortedConstraints;
+ int m_numMultiBodyConstraints;
+
+ btTypedConstraint** m_sortedConstraints;
+ int m_numConstraints;
+ btIDebugDraw* m_debugDrawer;
+ btDispatcher* m_dispatcher;
+
+ btAlignedObjectArray<btCollisionObject*> m_bodies;
+ btAlignedObjectArray<btCollisionObject*> m_softBodies;
+ btAlignedObjectArray<btPersistentManifold*> m_manifolds;
+ btAlignedObjectArray<btTypedConstraint*> m_constraints;
+ btAlignedObjectArray<btMultiBodyConstraint*> m_multiBodyConstraints;
+
+ btAlignedObjectArray<btSolverAnalyticsData> m_islandAnalyticsData;
+
+ MultiBodyInplaceSolverIslandCallback(btMultiBodyConstraintSolver* solver,
+ btDispatcher* dispatcher)
+ : m_solverInfo(NULL),
+ m_solver(solver),
+ m_multiBodySortedConstraints(NULL),
+ m_numConstraints(0),
+ m_debugDrawer(NULL),
+ m_dispatcher(dispatcher)
+ {
+ }
+
+ MultiBodyInplaceSolverIslandCallback& operator=(const MultiBodyInplaceSolverIslandCallback& other)
+ {
+ btAssert(0);
+ (void)other;
+ return *this;
+ }
+
+ SIMD_FORCE_INLINE virtual void setup(btContactSolverInfo* solverInfo, btTypedConstraint** sortedConstraints, int numConstraints, btMultiBodyConstraint** sortedMultiBodyConstraints, int numMultiBodyConstraints, btIDebugDraw* debugDrawer)
+ {
+ m_islandAnalyticsData.clear();
+ btAssert(solverInfo);
+ m_solverInfo = solverInfo;
+
+ m_multiBodySortedConstraints = sortedMultiBodyConstraints;
+ m_numMultiBodyConstraints = numMultiBodyConstraints;
+ m_sortedConstraints = sortedConstraints;
+ m_numConstraints = numConstraints;
+
+ m_debugDrawer = debugDrawer;
+ m_bodies.resize(0);
+ m_manifolds.resize(0);
+ m_constraints.resize(0);
+ m_multiBodyConstraints.resize(0);
+ }
+
+ void setMultiBodyConstraintSolver(btMultiBodyConstraintSolver* solver)
+ {
+ m_solver = solver;
+ }
+
+ virtual void processIsland(btCollisionObject** bodies, int numBodies, btPersistentManifold** manifolds, int numManifolds, int islandId)
+ {
+ if (islandId < 0)
+ {
+ ///we don't split islands, so all constraints/contact manifolds/bodies are passed into the solver regardless the island id
+ m_solver->solveMultiBodyGroup(bodies, numBodies, manifolds, numManifolds, m_sortedConstraints, m_numConstraints, &m_multiBodySortedConstraints[0], m_numConstraints, *m_solverInfo, m_debugDrawer, m_dispatcher);
+ if (m_solverInfo->m_reportSolverAnalytics&1)
+ {
+ m_solver->m_analyticsData.m_islandId = islandId;
+ m_islandAnalyticsData.push_back(m_solver->m_analyticsData);
+ }
+ }
+ else
+ {
+ //also add all non-contact constraints/joints for this island
+ btTypedConstraint** startConstraint = 0;
+ btMultiBodyConstraint** startMultiBodyConstraint = 0;
+
+ int numCurConstraints = 0;
+ int numCurMultiBodyConstraints = 0;
+
+ int i;
+
+ //find the first constraint for this island
+
+ for (i = 0; i < m_numConstraints; i++)
+ {
+ if (btGetConstraintIslandId2(m_sortedConstraints[i]) == islandId)
+ {
+ startConstraint = &m_sortedConstraints[i];
+ break;
+ }
+ }
+ //count the number of constraints in this island
+ for (; i < m_numConstraints; i++)
+ {
+ if (btGetConstraintIslandId2(m_sortedConstraints[i]) == islandId)
+ {
+ numCurConstraints++;
+ }
+ }
+
+ for (i = 0; i < m_numMultiBodyConstraints; i++)
+ {
+ if (btGetMultiBodyConstraintIslandId(m_multiBodySortedConstraints[i]) == islandId)
+ {
+ startMultiBodyConstraint = &m_multiBodySortedConstraints[i];
+ break;
+ }
+ }
+ //count the number of multi body constraints in this island
+ for (; i < m_numMultiBodyConstraints; i++)
+ {
+ if (btGetMultiBodyConstraintIslandId(m_multiBodySortedConstraints[i]) == islandId)
+ {
+ numCurMultiBodyConstraints++;
+ }
+ }
+
+ //if (m_solverInfo->m_minimumSolverBatchSize<=1)
+ //{
+ // m_solver->solveGroup( bodies,numBodies,manifolds, numManifolds,startConstraint,numCurConstraints,*m_solverInfo,m_debugDrawer,m_dispatcher);
+ //} else
+ {
+ for (i = 0; i < numBodies; i++)
+ {
+ bool isSoftBodyType = (bodies[i]->getInternalType() & btCollisionObject::CO_SOFT_BODY);
+ if (!isSoftBodyType)
+ {
+ m_bodies.push_back(bodies[i]);
+ }
+ else
+ {
+ m_softBodies.push_back(bodies[i]);
+ }
+ }
+ for (i = 0; i < numManifolds; i++)
+ m_manifolds.push_back(manifolds[i]);
+ for (i = 0; i < numCurConstraints; i++)
+ m_constraints.push_back(startConstraint[i]);
+
+ for (i = 0; i < numCurMultiBodyConstraints; i++)
+ m_multiBodyConstraints.push_back(startMultiBodyConstraint[i]);
+
+ if ((m_multiBodyConstraints.size() + m_constraints.size() + m_manifolds.size()) > m_solverInfo->m_minimumSolverBatchSize)
+ {
+ processConstraints(islandId);
+ }
+ else
+ {
+ //printf("deferred\n");
+ }
+ }
+ }
+ }
+
+ virtual void processConstraints(int islandId=-1)
+ {
+ btCollisionObject** bodies = m_bodies.size() ? &m_bodies[0] : 0;
+ btPersistentManifold** manifold = m_manifolds.size() ? &m_manifolds[0] : 0;
+ btTypedConstraint** constraints = m_constraints.size() ? &m_constraints[0] : 0;
+ btMultiBodyConstraint** multiBodyConstraints = m_multiBodyConstraints.size() ? &m_multiBodyConstraints[0] : 0;
+
+ //printf("mb contacts = %d, mb constraints = %d\n", mbContacts, m_multiBodyConstraints.size());
+
+ m_solver->solveMultiBodyGroup(bodies, m_bodies.size(), manifold, m_manifolds.size(), constraints, m_constraints.size(), multiBodyConstraints, m_multiBodyConstraints.size(), *m_solverInfo, m_debugDrawer, m_dispatcher);
+ if (m_bodies.size() && (m_solverInfo->m_reportSolverAnalytics&1))
+ {
+ m_solver->m_analyticsData.m_islandId = islandId;
+ m_islandAnalyticsData.push_back(m_solver->m_analyticsData);
+ }
+ m_bodies.resize(0);
+ m_softBodies.resize(0);
+ m_manifolds.resize(0);
+ m_constraints.resize(0);
+ m_multiBodyConstraints.resize(0);
+ }
+};
+
+
+#endif /*BT_MULTIBODY_INPLACE_SOLVER_ISLAND_CALLBACK_H */