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reduce size of SharedMemoryStatus by moving state details into shared memory streaming block.

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This commit is contained in:
erwincoumans
2019-03-06 23:27:59 -08:00
parent 4c37558805
commit 0af0f193ee
13 changed files with 330 additions and 96 deletions
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136
examples/SharedMemory/PhysicsServerCommandProcessor.cpp
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@@ -6326,15 +6326,26 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
int bodyUniqueId = clientCmd.m_requestActualStateInformationCommandArgument.m_bodyUniqueId;
InternalBodyData* body = m_data->m_bodyHandles.getHandle(bodyUniqueId);
//we store the state details in the shared memory block, to reduce status size
SendActualStateSharedMemoryStorage* stateDetails = (SendActualStateSharedMemoryStorage*)bufferServerToClient;
//make sure the storage fits, otherwise
btAssert(sizeof(SendActualStateSharedMemoryStorage) < bufferSizeInBytes);
if (sizeof(SendActualStateSharedMemoryStorage) > bufferSizeInBytes)
{
//this forces an error report
body = 0;
}
if (body && body->m_multiBody)
{
btMultiBody* mb = body->m_multiBody;
SharedMemoryStatus& serverCmd = serverStatusOut;
serverStatusOut.m_type = CMD_ACTUAL_STATE_UPDATE_COMPLETED;
serverCmd.m_sendActualStateArgs.m_bodyUniqueId = bodyUniqueId;
serverCmd.m_sendActualStateArgs.m_numLinks = body->m_multiBody->getNumLinks();
serverCmd.m_sendActualStateArgs.m_stateDetails = 0;
int totalDegreeOfFreedomQ = 0;
int totalDegreeOfFreedomU = 0;
@@ -6370,26 +6381,26 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
body->m_rootLocalInertialFrame.getRotation()[3];
//base position in world space, carthesian
serverCmd.m_sendActualStateArgs.m_actualStateQ[0] = tr.getOrigin()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQ[1] = tr.getOrigin()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQ[2] = tr.getOrigin()[2];
stateDetails->m_actualStateQ[0] = tr.getOrigin()[0];
stateDetails->m_actualStateQ[1] = tr.getOrigin()[1];
stateDetails->m_actualStateQ[2] = tr.getOrigin()[2];
//base orientation, quaternion x,y,z,w, in world space, carthesian
serverCmd.m_sendActualStateArgs.m_actualStateQ[3] = tr.getRotation()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQ[4] = tr.getRotation()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQ[5] = tr.getRotation()[2];
serverCmd.m_sendActualStateArgs.m_actualStateQ[6] = tr.getRotation()[3];
stateDetails->m_actualStateQ[3] = tr.getRotation()[0];
stateDetails->m_actualStateQ[4] = tr.getRotation()[1];
stateDetails->m_actualStateQ[5] = tr.getRotation()[2];
stateDetails->m_actualStateQ[6] = tr.getRotation()[3];
totalDegreeOfFreedomQ += 7; //pos + quaternion
//base linear velocity (in world space, carthesian)
serverCmd.m_sendActualStateArgs.m_actualStateQdot[0] = mb->getBaseVel()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[1] = mb->getBaseVel()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[2] = mb->getBaseVel()[2];
stateDetails->m_actualStateQdot[0] = mb->getBaseVel()[0];
stateDetails->m_actualStateQdot[1] = mb->getBaseVel()[1];
stateDetails->m_actualStateQdot[2] = mb->getBaseVel()[2];
//base angular velocity (in world space, carthesian)
serverCmd.m_sendActualStateArgs.m_actualStateQdot[3] = mb->getBaseOmega()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[4] = mb->getBaseOmega()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[5] = mb->getBaseOmega()[2];
stateDetails->m_actualStateQdot[3] = mb->getBaseOmega()[0];
stateDetails->m_actualStateQdot[4] = mb->getBaseOmega()[1];
stateDetails->m_actualStateQdot[5] = mb->getBaseOmega()[2];
totalDegreeOfFreedomU += 6; //3 linear and 3 angular DOF
}
@@ -6421,11 +6432,11 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
{
for (int d = 0; d < mb->getLink(l).m_posVarCount; d++)
{
serverCmd.m_sendActualStateArgs.m_actualStateQ[totalDegreeOfFreedomQ++] = mb->getJointPosMultiDof(l)[d];
stateDetails->m_actualStateQ[totalDegreeOfFreedomQ++] = mb->getJointPosMultiDof(l)[d];
}
for (int d = 0; d < mb->getLink(l).m_dofCount; d++)
{
serverCmd.m_sendActualStateArgs.m_jointMotorForce[totalDegreeOfFreedomU] = 0;
stateDetails->m_jointMotorForce[totalDegreeOfFreedomU] = 0;
if (mb->getLink(l).m_jointType == btMultibodyLink::eSpherical)
{
@@ -6434,7 +6445,7 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
{
btScalar impulse = motor->getAppliedImpulse(d);
btScalar force = impulse / m_data->m_physicsDeltaTime;
serverCmd.m_sendActualStateArgs.m_jointMotorForceMultiDof[totalDegreeOfFreedomU] = force;
stateDetails->m_jointMotorForceMultiDof[totalDegreeOfFreedomU] = force;
}
}
else
@@ -6446,19 +6457,19 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
if (motor && m_data->m_physicsDeltaTime > btScalar(0))
{
btScalar force = motor->getAppliedImpulse(0) / m_data->m_physicsDeltaTime;
serverCmd.m_sendActualStateArgs.m_jointMotorForceMultiDof[totalDegreeOfFreedomU] = force;
stateDetails->m_jointMotorForceMultiDof[totalDegreeOfFreedomU] = force;
}
}
}
serverCmd.m_sendActualStateArgs.m_actualStateQdot[totalDegreeOfFreedomU++] = mb->getJointVelMultiDof(l)[d];
stateDetails->m_actualStateQdot[totalDegreeOfFreedomU++] = mb->getJointVelMultiDof(l)[d];
}
if (0 == mb->getLink(l).m_jointFeedback)
{
for (int d = 0; d < 6; d++)
{
serverCmd.m_sendActualStateArgs.m_jointReactionForces[l * 6 + d] = 0;
stateDetails->m_jointReactionForces[l * 6 + d] = 0;
}
}
else
@@ -6466,16 +6477,16 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
btVector3 sensedForce = mb->getLink(l).m_jointFeedback->m_reactionForces.getLinear();
btVector3 sensedTorque = mb->getLink(l).m_jointFeedback->m_reactionForces.getAngular();
serverCmd.m_sendActualStateArgs.m_jointReactionForces[l * 6 + 0] = sensedForce[0];
serverCmd.m_sendActualStateArgs.m_jointReactionForces[l * 6 + 1] = sensedForce[1];
serverCmd.m_sendActualStateArgs.m_jointReactionForces[l * 6 + 2] = sensedForce[2];
stateDetails->m_jointReactionForces[l * 6 + 0] = sensedForce[0];
stateDetails->m_jointReactionForces[l * 6 + 1] = sensedForce[1];
stateDetails->m_jointReactionForces[l * 6 + 2] = sensedForce[2];
serverCmd.m_sendActualStateArgs.m_jointReactionForces[l * 6 + 3] = sensedTorque[0];
serverCmd.m_sendActualStateArgs.m_jointReactionForces[l * 6 + 4] = sensedTorque[1];
serverCmd.m_sendActualStateArgs.m_jointReactionForces[l * 6 + 5] = sensedTorque[2];
stateDetails->m_jointReactionForces[l * 6 + 3] = sensedTorque[0];
stateDetails->m_jointReactionForces[l * 6 + 4] = sensedTorque[1];
stateDetails->m_jointReactionForces[l * 6 + 5] = sensedTorque[2];
}
serverCmd.m_sendActualStateArgs.m_jointMotorForce[l] = 0;
stateDetails->m_jointMotorForce[l] = 0;
if (supportsJointMotor(mb, l))
{
@@ -6484,7 +6495,7 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
if (motor && m_data->m_physicsDeltaTime > btScalar(0))
{
btScalar force = motor->getAppliedImpulse(0) / m_data->m_physicsDeltaTime;
serverCmd.m_sendActualStateArgs.m_jointMotorForce[l] =
stateDetails->m_jointMotorForce[l] =
force;
//if (force>0)
//{
@@ -6498,13 +6509,13 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
btVector3 linkCOMOrigin = mb->getLink(l).m_cachedWorldTransform.getOrigin();
btQuaternion linkCOMRotation = mb->getLink(l).m_cachedWorldTransform.getRotation();
serverCmd.m_sendActualStateArgs.m_linkState[l * 7 + 0] = linkCOMOrigin.getX();
serverCmd.m_sendActualStateArgs.m_linkState[l * 7 + 1] = linkCOMOrigin.getY();
serverCmd.m_sendActualStateArgs.m_linkState[l * 7 + 2] = linkCOMOrigin.getZ();
serverCmd.m_sendActualStateArgs.m_linkState[l * 7 + 3] = linkCOMRotation.x();
serverCmd.m_sendActualStateArgs.m_linkState[l * 7 + 4] = linkCOMRotation.y();
serverCmd.m_sendActualStateArgs.m_linkState[l * 7 + 5] = linkCOMRotation.z();
serverCmd.m_sendActualStateArgs.m_linkState[l * 7 + 6] = linkCOMRotation.w();
stateDetails->m_linkState[l * 7 + 0] = linkCOMOrigin.getX();
stateDetails->m_linkState[l * 7 + 1] = linkCOMOrigin.getY();
stateDetails->m_linkState[l * 7 + 2] = linkCOMOrigin.getZ();
stateDetails->m_linkState[l * 7 + 3] = linkCOMRotation.x();
stateDetails->m_linkState[l * 7 + 4] = linkCOMRotation.y();
stateDetails->m_linkState[l * 7 + 5] = linkCOMRotation.z();
stateDetails->m_linkState[l * 7 + 6] = linkCOMRotation.w();
btVector3 worldLinVel(0, 0, 0);
btVector3 worldAngVel(0, 0, 0);
@@ -6516,21 +6527,21 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
worldAngVel = linkRotMat * omega[l + 1];
}
serverCmd.m_sendActualStateArgs.m_linkWorldVelocities[l * 6 + 0] = worldLinVel[0];
serverCmd.m_sendActualStateArgs.m_linkWorldVelocities[l * 6 + 1] = worldLinVel[1];
serverCmd.m_sendActualStateArgs.m_linkWorldVelocities[l * 6 + 2] = worldLinVel[2];
serverCmd.m_sendActualStateArgs.m_linkWorldVelocities[l * 6 + 3] = worldAngVel[0];
serverCmd.m_sendActualStateArgs.m_linkWorldVelocities[l * 6 + 4] = worldAngVel[1];
serverCmd.m_sendActualStateArgs.m_linkWorldVelocities[l * 6 + 5] = worldAngVel[2];
stateDetails->m_linkWorldVelocities[l * 6 + 0] = worldLinVel[0];
stateDetails->m_linkWorldVelocities[l * 6 + 1] = worldLinVel[1];
stateDetails->m_linkWorldVelocities[l * 6 + 2] = worldLinVel[2];
stateDetails->m_linkWorldVelocities[l * 6 + 3] = worldAngVel[0];
stateDetails->m_linkWorldVelocities[l * 6 + 4] = worldAngVel[1];
stateDetails->m_linkWorldVelocities[l * 6 + 5] = worldAngVel[2];
serverCmd.m_sendActualStateArgs.m_linkLocalInertialFrames[l * 7 + 0] = linkLocalInertialOrigin.getX();
serverCmd.m_sendActualStateArgs.m_linkLocalInertialFrames[l * 7 + 1] = linkLocalInertialOrigin.getY();
serverCmd.m_sendActualStateArgs.m_linkLocalInertialFrames[l * 7 + 2] = linkLocalInertialOrigin.getZ();
stateDetails->m_linkLocalInertialFrames[l * 7 + 0] = linkLocalInertialOrigin.getX();
stateDetails->m_linkLocalInertialFrames[l * 7 + 1] = linkLocalInertialOrigin.getY();
stateDetails->m_linkLocalInertialFrames[l * 7 + 2] = linkLocalInertialOrigin.getZ();
serverCmd.m_sendActualStateArgs.m_linkLocalInertialFrames[l * 7 + 3] = linkLocalInertialRotation.x();
serverCmd.m_sendActualStateArgs.m_linkLocalInertialFrames[l * 7 + 4] = linkLocalInertialRotation.y();
serverCmd.m_sendActualStateArgs.m_linkLocalInertialFrames[l * 7 + 5] = linkLocalInertialRotation.z();
serverCmd.m_sendActualStateArgs.m_linkLocalInertialFrames[l * 7 + 6] = linkLocalInertialRotation.w();
stateDetails->m_linkLocalInertialFrames[l * 7 + 3] = linkLocalInertialRotation.x();
stateDetails->m_linkLocalInertialFrames[l * 7 + 4] = linkLocalInertialRotation.y();
stateDetails->m_linkLocalInertialFrames[l * 7 + 5] = linkLocalInertialRotation.z();
stateDetails->m_linkLocalInertialFrames[l * 7 + 6] = linkLocalInertialRotation.w();
}
serverCmd.m_sendActualStateArgs.m_numDegreeOfFreedomQ = totalDegreeOfFreedomQ;
@@ -6545,35 +6556,36 @@ bool PhysicsServerCommandProcessor::processRequestActualStateCommand(const struc
btRigidBody* rb = body->m_rigidBody;
SharedMemoryStatus& serverCmd = serverStatusOut;
serverCmd.m_type = CMD_ACTUAL_STATE_UPDATE_COMPLETED;
serverCmd.m_sendActualStateArgs.m_bodyUniqueId = bodyUniqueId;
serverCmd.m_sendActualStateArgs.m_numLinks = 0;
serverCmd.m_sendActualStateArgs.m_stateDetails = 0;
int totalDegreeOfFreedomQ = 0;
int totalDegreeOfFreedomU = 0;
btTransform tr = rb->getWorldTransform();
//base position in world space, carthesian
serverCmd.m_sendActualStateArgs.m_actualStateQ[0] = tr.getOrigin()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQ[1] = tr.getOrigin()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQ[2] = tr.getOrigin()[2];
stateDetails->m_actualStateQ[0] = tr.getOrigin()[0];
stateDetails->m_actualStateQ[1] = tr.getOrigin()[1];
stateDetails->m_actualStateQ[2] = tr.getOrigin()[2];
//base orientation, quaternion x,y,z,w, in world space, carthesian
serverCmd.m_sendActualStateArgs.m_actualStateQ[3] = tr.getRotation()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQ[4] = tr.getRotation()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQ[5] = tr.getRotation()[2];
serverCmd.m_sendActualStateArgs.m_actualStateQ[6] = tr.getRotation()[3];
stateDetails->m_actualStateQ[3] = tr.getRotation()[0];
stateDetails->m_actualStateQ[4] = tr.getRotation()[1];
stateDetails->m_actualStateQ[5] = tr.getRotation()[2];
stateDetails->m_actualStateQ[6] = tr.getRotation()[3];
totalDegreeOfFreedomQ += 7; //pos + quaternion
//base linear velocity (in world space, carthesian)
serverCmd.m_sendActualStateArgs.m_actualStateQdot[0] = rb->getLinearVelocity()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[1] = rb->getLinearVelocity()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[2] = rb->getLinearVelocity()[2];
stateDetails->m_actualStateQdot[0] = rb->getLinearVelocity()[0];
stateDetails->m_actualStateQdot[1] = rb->getLinearVelocity()[1];
stateDetails->m_actualStateQdot[2] = rb->getLinearVelocity()[2];
//base angular velocity (in world space, carthesian)
serverCmd.m_sendActualStateArgs.m_actualStateQdot[3] = rb->getAngularVelocity()[0];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[4] = rb->getAngularVelocity()[1];
serverCmd.m_sendActualStateArgs.m_actualStateQdot[5] = rb->getAngularVelocity()[2];
stateDetails->m_actualStateQdot[3] = rb->getAngularVelocity()[0];
stateDetails->m_actualStateQdot[4] = rb->getAngularVelocity()[1];
stateDetails->m_actualStateQdot[5] = rb->getAngularVelocity()[2];
totalDegreeOfFreedomU += 6; //3 linear and 3 angular DOF
serverCmd.m_sendActualStateArgs.m_numDegreeOfFreedomQ = totalDegreeOfFreedomQ;