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quickstep improvements, thanks to Remotion

Browse Source 
http://www.bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=1557
This commit is contained in:
ejcoumans
2007-10-11 03:07:11 +00:00
parent 118ac651dd
commit bb89cbcf08
4 changed files with 132 additions and 45 deletions
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118
Extras/quickstep/OdeConstraintSolver.cpp
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@@ -56,13 +56,16 @@ subject to the following restrictions:
class BU_Joint;
//see below
//to bridge with ODE quickstep, we make a temp copy of the rigidbodies in each simultion island
#define ODE_MAX_SOLVER_BODIES 16384
#define ODE_MAX_SOLVER_JOINTS 65535
static OdeSolverBody gSolverBodyArray[ODE_MAX_SOLVER_BODIES];
static ContactJoint gJointArray[ODE_MAX_SOLVER_JOINTS];
static OdeTypedJoint gTypedJointArray[ODE_MAX_SOLVER_JOINTS];
// Remotion 10.10.07: we do not need thi any more!
//#define ODE_MAX_SOLVER_BODIES 16384
//#define ODE_MAX_SOLVER_JOINTS 65535
//static OdeSolverBody gSolverBodyArray[ODE_MAX_SOLVER_BODIES];
//static ContactJoint gJointArray[ODE_MAX_SOLVER_JOINTS];
//static OdeTypedJoint gTypedJointArray[ODE_MAX_SOLVER_JOINTS];
OdeConstraintSolver::OdeConstraintSolver():
@@ -72,7 +75,6 @@ OdeConstraintSolver::OdeConstraintSolver():
}
//iterative lcp and penalty method
btScalar OdeConstraintSolver::solveGroup(btCollisionObject** bodies,int numBulletBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer,btStackAlloc* stackAlloc,btDispatcher* dispatcher)
{
@@ -82,10 +84,29 @@ btScalar OdeConstraintSolver::solveGroup(btCollisionObject** bodies,int numBulle
m_CurJoint = 0;
m_CurTypedJoint = 0;
int numBodies = 0;
OdeSolverBody* odeBodies [ODE_MAX_SOLVER_BODIES];
// Remotion 10.10.07: to be sure just find max_contacts
int max_contacts = 0; /// should be 4 //Remotion
for (int j=0;j<numManifolds;j++){
btPersistentManifold* manifold = manifoldPtr[j];
if (manifold->getNumContacts() > max_contacts) max_contacts = manifold->getNumContacts();
}
//if(max_contacts > 4)
// printf(" max_contacts > 4");
int numBodies = 0;
m_odeBodies.clear();
m_odeBodies.reserve(numBulletBodies + 1); //???
// OdeSolverBody* odeBodies [ODE_MAX_SOLVER_BODIES];
int numJoints = 0;
BU_Joint* joints [ODE_MAX_SOLVER_JOINTS*2];
m_joints.clear();
m_joints.reserve(numManifolds * max_contacts + 4 + numConstraints + 1); //???
// BU_Joint* joints [ODE_MAX_SOLVER_JOINTS*2];
m_SolverBodyArray.resize(numBulletBodies + 1);
m_JointArray.resize(numManifolds * max_contacts + 4);
m_TypedJointArray.resize(numConstraints + 1);
//capture contacts
int j;
@@ -95,9 +116,9 @@ btScalar OdeConstraintSolver::solveGroup(btCollisionObject** bodies,int numBulle
btPersistentManifold* manifold = manifoldPtr[j];
if (manifold->getNumContacts() > 0)
{
body0 = ConvertBody((btRigidBody*)manifold->getBody0(),odeBodies,numBodies);
body1 = ConvertBody((btRigidBody*)manifold->getBody1(),odeBodies,numBodies);
ConvertConstraint(manifold,joints,numJoints,odeBodies,body0,body1,debugDrawer);
body0 = ConvertBody((btRigidBody*)manifold->getBody0(),m_odeBodies,numBodies);
body1 = ConvertBody((btRigidBody*)manifold->getBody1(),m_odeBodies,numBodies);
ConvertConstraint(manifold,m_joints,numJoints,m_odeBodies,body0,body1,debugDrawer);
}
}
@@ -105,26 +126,40 @@ btScalar OdeConstraintSolver::solveGroup(btCollisionObject** bodies,int numBulle
for (j=0;j<numConstraints;j++)
{
btTypedConstraint * typedconstraint = constraints[j];
body0 = ConvertBody((btRigidBody*)&typedconstraint->getRigidBodyA(),odeBodies,numBodies);
body1 = ConvertBody((btRigidBody*)&typedconstraint->getRigidBodyB(),odeBodies,numBodies);
ConvertTypedConstraint(typedconstraint,joints,numJoints,odeBodies,body0,body1,debugDrawer);
body0 = ConvertBody((btRigidBody*)&typedconstraint->getRigidBodyA(),m_odeBodies,numBodies);
body1 = ConvertBody((btRigidBody*)&typedconstraint->getRigidBodyB(),m_odeBodies,numBodies);
ConvertTypedConstraint(typedconstraint,m_joints,numJoints,m_odeBodies,body0,body1,debugDrawer);
}
//if(numBodies > numBulletBodies)
// printf(" numBodies > numBulletBodies");
//if(numJoints > numManifolds * 4 + numConstraints)
// printf(" numJoints > numManifolds * 4 + numConstraints");
END_PROFILE("prepareConstraints");
BEGIN_PROFILE("solveConstraints");
SolveInternal1(m_cfm,m_erp,odeBodies,numBodies,joints,numJoints,infoGlobal);
SolveInternal1(m_cfm,m_erp,m_odeBodies,numBodies,m_joints,numJoints,infoGlobal);
//write back resulting velocities
for (int i=0;i<numBodies;i++)
{
if (odeBodies[i]->m_invMass)
if (m_odeBodies[i]->m_invMass)
{
odeBodies[i]->m_originalBody->setLinearVelocity(odeBodies[i]->m_linearVelocity);
odeBodies[i]->m_originalBody->setAngularVelocity(odeBodies[i]->m_angularVelocity);
m_odeBodies[i]->m_originalBody->setLinearVelocity(m_odeBodies[i]->m_linearVelocity);
m_odeBodies[i]->m_originalBody->setAngularVelocity(m_odeBodies[i]->m_angularVelocity);
}
}
END_PROFILE("solveConstraints");
/// Remotion, just free all this here
m_odeBodies.clear();
m_joints.clear();
m_SolverBodyArray.clear();
m_JointArray.clear();
m_TypedJointArray.clear();
return 0.f;
}
@@ -160,7 +195,8 @@ void dRfromQ1 (dMatrix3 R, const dQuaternion q)
int OdeConstraintSolver::ConvertBody(btRigidBody* orgBody,OdeSolverBody** bodies,int& numBodies)
//int OdeConstraintSolver::ConvertBody(btRigidBody* orgBody,OdeSolverBody** bodies,int& numBodies)
int OdeConstraintSolver::ConvertBody(btRigidBody* orgBody,btAlignedObjectArray< OdeSolverBody*> &bodies,int& numBodies)
{
assert(orgBody);
if (!orgBody || (orgBody->getInvMass() == 0.f) )
@@ -176,7 +212,10 @@ int OdeConstraintSolver::ConvertBody(btRigidBody* orgBody,OdeSolverBody** bodies
int i,j;
//if not found, create a new body
OdeSolverBody* body = bodies[numBodies] = &gSolverBodyArray[numBodies];
// OdeSolverBody* body = bodies[numBodies] = &gSolverBodyArray[numBodies];
OdeSolverBody* body = &m_SolverBodyArray[numBodies];
bodies.push_back(body); // Remotion 10.10.07:
orgBody->setCompanionId(numBodies);
numBodies++;
@@ -232,13 +271,18 @@ int OdeConstraintSolver::ConvertBody(btRigidBody* orgBody,OdeSolverBody** bodies
void OdeConstraintSolver::ConvertConstraint(btPersistentManifold* manifold,BU_Joint** joints,int& numJoints,
OdeSolverBody** bodies,int _bodyId0,int _bodyId1,btIDebugDraw* debugDrawer)
void OdeConstraintSolver::ConvertConstraint(btPersistentManifold* manifold,
btAlignedObjectArray<BU_Joint*> &joints,int& numJoints,
const btAlignedObjectArray< OdeSolverBody*> &bodies,
int _bodyId0,int _bodyId1,btIDebugDraw* debugDrawer)
{
///refresh contact points is not needed anymore, it has been moved into the processCollision detection part.
#ifdef FORCE_REFESH_CONTACT_MANIFOLDS
manifold->refreshContactPoints(((btRigidBody*)manifold->getBody0())->getCenterOfMassTransform(),
((btRigidBody*)manifold->getBody1())->getCenterOfMassTransform());
#endif //FORCE_REFESH_CONTACT_MANIFOLDS
int bodyId0 = _bodyId0,bodyId1 = _bodyId1;
@@ -282,11 +326,13 @@ void OdeConstraintSolver::ConvertConstraint(btPersistentManifold* manifold,BU_Jo
color);
}
assert (m_CurJoint < ODE_MAX_SOLVER_JOINTS);
//assert (m_CurJoint < ODE_MAX_SOLVER_JOINTS);
// if (manifold->getContactPoint(i).getDistance() < 0.0f)
{
ContactJoint* cont = new (&gJointArray[m_CurJoint++]) ContactJoint( manifold ,i, swapBodies,body0,body1);
ContactJoint* cont = new (&m_JointArray[m_CurJoint++]) ContactJoint( manifold ,i, swapBodies,body0,body1);
//ContactJoint* cont = new (&gJointArray[m_CurJoint++]) ContactJoint( manifold ,i, swapBodies,body0,body1);
cont->node[0].joint = cont;
cont->node[0].body = bodyId0 >= 0 ? bodies[bodyId0] : 0;
@@ -294,7 +340,10 @@ void OdeConstraintSolver::ConvertConstraint(btPersistentManifold* manifold,BU_Jo
cont->node[1].joint = cont;
cont->node[1].body = bodyId1 >= 0 ? bodies[bodyId1] : 0;
joints[numJoints++] = cont;
// joints[numJoints++] = cont;
joints.push_back(cont); // Remotion 10.10.07:
numJoints++;
for (int i=0;i<6;i++)
cont->lambda[i] = 0.f;
@@ -306,8 +355,9 @@ void OdeConstraintSolver::ConvertConstraint(btPersistentManifold* manifold,BU_Jo
}
void OdeConstraintSolver::ConvertTypedConstraint(
btTypedConstraint * constraint,BU_Joint** joints,int& numJoints,
OdeSolverBody** bodies,int _bodyId0,int _bodyId1,btIDebugDraw* debugDrawer)
btTypedConstraint * constraint,
btAlignedObjectArray<BU_Joint*> &joints,int& numJoints,
const btAlignedObjectArray< OdeSolverBody*> &bodies,int _bodyId0,int _bodyId1,btIDebugDraw* debugDrawer)
{
int bodyId0 = _bodyId0,bodyId1 = _bodyId1;
@@ -334,7 +384,7 @@ void OdeConstraintSolver::ConvertTypedConstraint(
assert(bodyId0 >= 0);
assert (m_CurTypedJoint < ODE_MAX_SOLVER_JOINTS);
//assert (m_CurTypedJoint < ODE_MAX_SOLVER_JOINTS);
OdeTypedJoint * cont = NULL;
@@ -345,7 +395,8 @@ void OdeConstraintSolver::ConvertTypedConstraint(
{
case POINT2POINT_CONSTRAINT_TYPE:
case D6_CONSTRAINT_TYPE:
cont = new (&gTypedJointArray[m_CurTypedJoint ++]) OdeTypedJoint(constraint,0, swapBodies,body0,body1);
cont = new (&m_TypedJointArray[m_CurTypedJoint ++]) OdeTypedJoint(constraint,0, swapBodies,body0,body1);
//cont = new (&gTypedJointArray[m_CurTypedJoint ++]) OdeTypedJoint(constraint,0, swapBodies,body0,body1);
break;
};
@@ -358,7 +409,10 @@ void OdeConstraintSolver::ConvertTypedConstraint(
cont->node[1].joint = cont;
cont->node[1].body = bodyId1 >= 0 ? bodies[bodyId1] : 0;
joints[numJoints++] = cont;
// joints[numJoints++] = cont;
joints.push_back(cont); // Remotion 10.10.07:
numJoints++;
for (int i=0;i<6;i++)
cont->lambda[i] = 0.f;