bullet3/examples/RobotSimulator/b3RobotSimulatorClientAPI.cpp
2017-03-06 18:54:52 -08:00

846 lines
26 KiB
C++

#include "b3RobotSimulatorClientAPI.h"
//#include "SharedMemoryCommands.h"
#include "SharedMemory/PhysicsClientC_API.h"
#ifdef BT_ENABLE_ENET
#include "SharedMemory/PhysicsClientUDP_C_API.h"
#endif//PHYSICS_UDP
#ifdef BT_ENABLE_CLSOCKET
#include "SharedMemory/PhysicsClientTCP_C_API.h"
#endif//PHYSICS_TCP
#include "SharedMemory/PhysicsDirectC_API.h"
#include "SharedMemory/SharedMemoryInProcessPhysicsC_API.h"
#include "SharedMemory/SharedMemoryPublic.h"
#include "Bullet3Common/b3Logging.h"
struct b3RobotSimulatorClientAPI_InternalData
{
b3PhysicsClientHandle m_physicsClientHandle;
b3RobotSimulatorClientAPI_InternalData()
:m_physicsClientHandle(0)
{
}
};
b3RobotSimulatorClientAPI::b3RobotSimulatorClientAPI()
{
m_data = new b3RobotSimulatorClientAPI_InternalData();
}
b3RobotSimulatorClientAPI::~b3RobotSimulatorClientAPI()
{
delete m_data;
}
bool b3RobotSimulatorClientAPI::connect(int mode, const std::string& hostName, int portOrKey)
{
if (m_data->m_physicsClientHandle)
{
b3Warning ("Already connected, disconnect first.");
return false;
}
b3PhysicsClientHandle sm = 0;
int udpPort = 1234;
int tcpPort = 6667;
int key = SHARED_MEMORY_KEY;
bool connected = false;
switch (mode)
{
case eCONNECT_GUI:
{
int argc = 0;
char* argv[1] = {0};
#ifdef __APPLE__
sm = b3CreateInProcessPhysicsServerAndConnectMainThread(argc, argv);
#else
sm = b3CreateInProcessPhysicsServerAndConnect(argc, argv);
#endif
break;
}
case eCONNECT_DIRECT: {
sm = b3ConnectPhysicsDirect();
break;
}
case eCONNECT_SHARED_MEMORY: {
if (portOrKey>=0)
{
key = portOrKey;
}
sm = b3ConnectSharedMemory(key);
break;
}
case eCONNECT_UDP:
{
if (portOrKey>=0)
{
udpPort = portOrKey;
}
#ifdef BT_ENABLE_ENET
sm = b3ConnectPhysicsUDP(hostName.c_str(), udpPort);
#else
b3Warning("UDP is not enabled in this build");
#endif //BT_ENABLE_ENET
break;
}
case eCONNECT_TCP:
{
if (portOrKey>=0)
{
tcpPort = portOrKey;
}
#ifdef BT_ENABLE_CLSOCKET
sm = b3ConnectPhysicsTCP(hostName.c_str(), tcpPort);
#else
b3Warning("TCP is not enabled in this pybullet build");
#endif //BT_ENABLE_CLSOCKET
break;
}
default: {
b3Warning("connectPhysicsServer unexpected argument");
}
};
if (sm)
{
m_data->m_physicsClientHandle = sm;
if (!b3CanSubmitCommand(m_data->m_physicsClientHandle))
{
disconnect();
return false;
}
return true;
}
return false;
}
bool b3RobotSimulatorClientAPI::isConnected() const
{
return (m_data->m_physicsClientHandle!=0);
}
void b3RobotSimulatorClientAPI::disconnect()
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3DisconnectSharedMemory(m_data->m_physicsClientHandle);
m_data->m_physicsClientHandle = 0;
}
void b3RobotSimulatorClientAPI::syncBodies()
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle command;
b3SharedMemoryStatusHandle statusHandle;
int statusType;
command = b3InitSyncBodyInfoCommand(m_data->m_physicsClientHandle);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
statusType = b3GetStatusType(statusHandle);
}
void b3RobotSimulatorClientAPI::resetSimulation()
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryStatusHandle statusHandle;
statusHandle = b3SubmitClientCommandAndWaitStatus(
m_data->m_physicsClientHandle, b3InitResetSimulationCommand(m_data->m_physicsClientHandle));
}
bool b3RobotSimulatorClientAPI::canSubmitCommand() const
{
if (!isConnected())
{
return false;
}
return (b3CanSubmitCommand(m_data->m_physicsClientHandle));
}
void b3RobotSimulatorClientAPI::stepSimulation()
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryStatusHandle statusHandle;
int statusType;
if (b3CanSubmitCommand(m_data->m_physicsClientHandle))
{
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, b3InitStepSimulationCommand(m_data->m_physicsClientHandle));
statusType = b3GetStatusType(statusHandle);
b3Assert(statusType==CMD_STEP_FORWARD_SIMULATION_COMPLETED);
}
}
void b3RobotSimulatorClientAPI::setGravity(const b3Vector3& gravityAcceleration)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle command = b3InitPhysicsParamCommand(m_data->m_physicsClientHandle);
b3SharedMemoryStatusHandle statusHandle;
b3PhysicsParamSetGravity(command, gravityAcceleration[0],gravityAcceleration[1],gravityAcceleration[2]);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
b3Assert(b3GetStatusType(statusHandle)==CMD_CLIENT_COMMAND_COMPLETED);
}
b3Quaternion b3RobotSimulatorClientAPI::getQuaternionFromEuler(const b3Vector3& rollPitchYaw)
{
double phi, the, psi;
phi = rollPitchYaw[0] / 2.0;
the = rollPitchYaw[1] / 2.0;
psi = rollPitchYaw[2] / 2.0;
double quat[4] = {
sin(phi) * cos(the) * cos(psi) - cos(phi) * sin(the) * sin(psi),
cos(phi) * sin(the) * cos(psi) + sin(phi) * cos(the) * sin(psi),
cos(phi) * cos(the) * sin(psi) - sin(phi) * sin(the) * cos(psi),
cos(phi) * cos(the) * cos(psi) + sin(phi) * sin(the) * sin(psi)};
// normalize the quaternion
double len = sqrt(quat[0] * quat[0] + quat[1] * quat[1] +
quat[2] * quat[2] + quat[3] * quat[3]);
quat[0] /= len;
quat[1] /= len;
quat[2] /= len;
quat[3] /= len;
b3Quaternion q(quat[0],quat[1],quat[2],quat[3]);
return q;
}
b3Vector3 b3RobotSimulatorClientAPI::getEulerFromQuaternion(const b3Quaternion& quat)
{
double squ;
double sqx;
double sqy;
double sqz;
double sarg;
b3Vector3 rpy;
sqx = quat[0] * quat[0];
sqy = quat[1] * quat[1];
sqz = quat[2] * quat[2];
squ = quat[3] * quat[3];
rpy[0] = atan2(2 * (quat[1] * quat[2] + quat[3] * quat[0]),
squ - sqx - sqy + sqz);
sarg = -2 * (quat[0] * quat[2] - quat[3] * quat[1]);
rpy[1] = sarg <= -1.0 ? -0.5 * 3.141592538
: (sarg >= 1.0 ? 0.5 * 3.141592538 : asin(sarg));
rpy[2] = atan2(2 * (quat[0] * quat[1] + quat[3] * quat[2]),
squ + sqx - sqy - sqz);
return rpy;
}
int b3RobotSimulatorClientAPI::loadURDF(const std::string& fileName, const struct b3RobotSimulatorLoadUrdfFileArgs& args)
{
int robotUniqueId = -1;
if (!isConnected())
{
b3Warning("Not connected");
return robotUniqueId;
}
b3SharedMemoryStatusHandle statusHandle;
int statusType;
b3SharedMemoryCommandHandle command = b3LoadUrdfCommandInit(m_data->m_physicsClientHandle, fileName.c_str());
//setting the initial position, orientation and other arguments are optional
b3LoadUrdfCommandSetStartPosition(command, args.m_startPosition[0],
args.m_startPosition[1],
args.m_startPosition[2]);
b3LoadUrdfCommandSetStartOrientation(command,args.m_startOrientation[0]
,args.m_startOrientation[1]
,args.m_startOrientation[2]
,args.m_startOrientation[3]);
if (args.m_forceOverrideFixedBase)
{
b3LoadUrdfCommandSetUseFixedBase(command,true);
}
b3LoadUrdfCommandSetUseMultiBody(command, args.m_useMultiBody);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
statusType = b3GetStatusType(statusHandle);
b3Assert(statusType==CMD_URDF_LOADING_COMPLETED);
if (statusType==CMD_URDF_LOADING_COMPLETED)
{
robotUniqueId = b3GetStatusBodyIndex(statusHandle);
}
return robotUniqueId;
}
bool b3RobotSimulatorClientAPI::loadMJCF(const std::string& fileName, b3RobotSimulatorLoadFileResults& results)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3SharedMemoryStatusHandle statusHandle;
int statusType;
b3SharedMemoryCommandHandle command;
command = b3LoadMJCFCommandInit(m_data->m_physicsClientHandle, fileName.c_str());
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
statusType = b3GetStatusType(statusHandle);
if (statusType != CMD_MJCF_LOADING_COMPLETED)
{
b3Warning("Couldn't load .mjcf file.");
return false;
}
int numBodies = b3GetStatusBodyIndices(statusHandle, 0,0);
if (numBodies)
{
results.m_uniqueObjectIds.resize(numBodies);
int numBodies;
numBodies = b3GetStatusBodyIndices(statusHandle, &results.m_uniqueObjectIds[0],results.m_uniqueObjectIds.size());
}
return true;
}
bool b3RobotSimulatorClientAPI::loadBullet(const std::string& fileName, b3RobotSimulatorLoadFileResults& results)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3SharedMemoryStatusHandle statusHandle;
int statusType;
b3SharedMemoryCommandHandle command;
command = b3LoadBulletCommandInit(m_data->m_physicsClientHandle, fileName.c_str());
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
statusType = b3GetStatusType(statusHandle);
if (statusType != CMD_BULLET_LOADING_COMPLETED)
{
return false;
}
int numBodies = b3GetStatusBodyIndices(statusHandle, 0,0);
if (numBodies)
{
results.m_uniqueObjectIds.resize(numBodies);
int numBodies;
numBodies = b3GetStatusBodyIndices(statusHandle, &results.m_uniqueObjectIds[0],results.m_uniqueObjectIds.size());
}
return true;
}
bool b3RobotSimulatorClientAPI::loadSDF(const std::string& fileName, b3RobotSimulatorLoadFileResults& results, const struct b3RobotSimulatorLoadSdfFileArgs& args)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
bool statusOk = false;
b3SharedMemoryStatusHandle statusHandle;
int statusType;
b3SharedMemoryCommandHandle command = b3LoadSdfCommandInit(m_data->m_physicsClientHandle, fileName.c_str());
b3LoadSdfCommandSetUseMultiBody(command, args.m_useMultiBody);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
statusType = b3GetStatusType(statusHandle);
b3Assert(statusType == CMD_SDF_LOADING_COMPLETED);
if (statusType == CMD_SDF_LOADING_COMPLETED)
{
int numBodies = b3GetStatusBodyIndices(statusHandle, 0,0);
if (numBodies)
{
results.m_uniqueObjectIds.resize(numBodies);
int numBodies;
numBodies = b3GetStatusBodyIndices(statusHandle, &results.m_uniqueObjectIds[0],results.m_uniqueObjectIds.size());
}
statusOk = true;
}
return statusOk;
}
bool b3RobotSimulatorClientAPI::getBodyInfo(int bodyUniqueId, struct b3BodyInfo* bodyInfo)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
int result = b3GetBodyInfo(m_data->m_physicsClientHandle, bodyUniqueId, bodyInfo);
return (result != 0);
}
bool b3RobotSimulatorClientAPI::getBasePositionAndOrientation(int bodyUniqueId, b3Vector3& basePosition, b3Quaternion& baseOrientation) const
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3SharedMemoryCommandHandle cmd_handle =
b3RequestActualStateCommandInit(m_data->m_physicsClientHandle, bodyUniqueId);
b3SharedMemoryStatusHandle status_handle =
b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, cmd_handle);
const int status_type = b3GetStatusType(status_handle);
const double* actualStateQ;
if (status_type != CMD_ACTUAL_STATE_UPDATE_COMPLETED) {
return false;
}
b3GetStatusActualState(
status_handle, 0 /* body_unique_id */,
0 /* num_degree_of_freedom_q */, 0 /* num_degree_of_freedom_u */,
0 /*root_local_inertial_frame*/, &actualStateQ,
0 /* actual_state_q_dot */, 0 /* joint_reaction_forces */);
basePosition[0] = actualStateQ[0];
basePosition[1] = actualStateQ[1];
basePosition[2] = actualStateQ[2];
baseOrientation[0] = actualStateQ[3];
baseOrientation[1] = actualStateQ[4];
baseOrientation[2] = actualStateQ[5];
baseOrientation[3] = actualStateQ[6];
return true;
}
bool b3RobotSimulatorClientAPI::resetBasePositionAndOrientation(int bodyUniqueId, b3Vector3& basePosition, b3Quaternion& baseOrientation)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3SharedMemoryCommandHandle commandHandle;
commandHandle = b3CreatePoseCommandInit(m_data->m_physicsClientHandle, bodyUniqueId);
b3CreatePoseCommandSetBasePosition(commandHandle, basePosition[0], basePosition[1], basePosition[2]);
b3CreatePoseCommandSetBaseOrientation(commandHandle, baseOrientation[0], baseOrientation[1],
baseOrientation[2], baseOrientation[3]);
b3SharedMemoryStatusHandle statusHandle;
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, commandHandle);
return true;
}
void b3RobotSimulatorClientAPI::setRealTimeSimulation(bool enableRealTimeSimulation)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle command = b3InitPhysicsParamCommand(m_data->m_physicsClientHandle);
b3SharedMemoryStatusHandle statusHandle;
int ret = b3PhysicsParamSetRealTimeSimulation(command, enableRealTimeSimulation);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
b3Assert(b3GetStatusType(statusHandle) == CMD_CLIENT_COMMAND_COMPLETED);
}
int b3RobotSimulatorClientAPI::getNumJoints(int bodyUniqueId) const
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
return b3GetNumJoints(m_data->m_physicsClientHandle,bodyUniqueId);
}
bool b3RobotSimulatorClientAPI::getJointInfo(int bodyUniqueId, int jointIndex, b3JointInfo* jointInfo)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
return (b3GetJointInfo(m_data->m_physicsClientHandle,bodyUniqueId, jointIndex,jointInfo)!=0);
}
void b3RobotSimulatorClientAPI::createConstraint(int parentBodyIndex, int parentJointIndex, int childBodyIndex, int childJointIndex, b3JointInfo* jointInfo)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryStatusHandle statusHandle;
b3Assert(b3CanSubmitCommand(m_data->m_physicsClientHandle));
if (b3CanSubmitCommand(m_data->m_physicsClientHandle))
{
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, b3InitCreateUserConstraintCommand(m_data->m_physicsClientHandle, parentBodyIndex, parentJointIndex, childBodyIndex, childJointIndex, jointInfo));
}
}
bool b3RobotSimulatorClientAPI::getJointState(int bodyUniqueId, int jointIndex, struct b3JointSensorState *state)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3SharedMemoryCommandHandle command = b3RequestActualStateCommandInit(m_data->m_physicsClientHandle,bodyUniqueId);
b3SharedMemoryStatusHandle statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
int statusType = b3GetStatusType(statusHandle);
if (statusType == CMD_ACTUAL_STATE_UPDATE_COMPLETED)
{
if (b3GetJointState(m_data->m_physicsClientHandle, statusHandle, jointIndex, state))
{
return true;
}
}
return false;
}
bool b3RobotSimulatorClientAPI::resetJointState(int bodyUniqueId, int jointIndex, double targetValue)
{
b3SharedMemoryCommandHandle commandHandle;
b3SharedMemoryStatusHandle statusHandle;
int numJoints;
numJoints = b3GetNumJoints(m_data->m_physicsClientHandle, bodyUniqueId);
if ((jointIndex >= numJoints) || (jointIndex < 0)) {
return false;
}
commandHandle = b3CreatePoseCommandInit(m_data->m_physicsClientHandle, bodyUniqueId);
b3CreatePoseCommandSetJointPosition(m_data->m_physicsClientHandle, commandHandle, jointIndex,
targetValue);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, commandHandle);
return false;
}
void b3RobotSimulatorClientAPI::setJointMotorControl(int bodyUniqueId, int jointIndex, const b3RobotSimulatorJointMotorArgs& args)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryStatusHandle statusHandle;
switch (args.m_controlMode)
{
case CONTROL_MODE_VELOCITY:
{
b3SharedMemoryCommandHandle command = b3JointControlCommandInit2( m_data->m_physicsClientHandle, bodyUniqueId, CONTROL_MODE_VELOCITY);
b3JointInfo jointInfo;
b3GetJointInfo(m_data->m_physicsClientHandle, bodyUniqueId, jointIndex, &jointInfo);
int uIndex = jointInfo.m_uIndex;
b3JointControlSetKd(command,uIndex,args.m_kd);
b3JointControlSetDesiredVelocity(command,uIndex,args.m_targetVelocity);
b3JointControlSetMaximumForce(command,uIndex,args.m_maxTorqueValue);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
break;
}
case CONTROL_MODE_POSITION_VELOCITY_PD:
{
b3SharedMemoryCommandHandle command = b3JointControlCommandInit2( m_data->m_physicsClientHandle, bodyUniqueId, CONTROL_MODE_POSITION_VELOCITY_PD);
b3JointInfo jointInfo;
b3GetJointInfo(m_data->m_physicsClientHandle, bodyUniqueId, jointIndex, &jointInfo);
int uIndex = jointInfo.m_uIndex;
int qIndex = jointInfo.m_qIndex;
b3JointControlSetDesiredPosition(command,qIndex,args.m_targetPosition);
b3JointControlSetKp(command,uIndex,args.m_kp);
b3JointControlSetDesiredVelocity(command,uIndex,args.m_targetVelocity);
b3JointControlSetKd(command,uIndex,args.m_kd);
b3JointControlSetMaximumForce(command,uIndex,args.m_maxTorqueValue);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
break;
}
case CONTROL_MODE_TORQUE:
{
b3SharedMemoryCommandHandle command = b3JointControlCommandInit2( m_data->m_physicsClientHandle, bodyUniqueId, CONTROL_MODE_TORQUE);
b3JointInfo jointInfo;
b3GetJointInfo(m_data->m_physicsClientHandle, bodyUniqueId, jointIndex, &jointInfo);
int uIndex = jointInfo.m_uIndex;
b3JointControlSetDesiredForceTorque(command,uIndex,args.m_maxTorqueValue);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
break;
}
default:
{
b3Error("Unknown control command in b3RobotSimulationClientAPI::setJointMotorControl");
}
}
}
void b3RobotSimulatorClientAPI::setNumSolverIterations(int numIterations)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle command = b3InitPhysicsParamCommand(m_data->m_physicsClientHandle);
b3SharedMemoryStatusHandle statusHandle;
b3PhysicsParamSetNumSolverIterations(command, numIterations);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
b3Assert(b3GetStatusType(statusHandle)==CMD_CLIENT_COMMAND_COMPLETED);
}
void b3RobotSimulatorClientAPI::setTimeStep(double timeStepInSeconds)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle command = b3InitPhysicsParamCommand(m_data->m_physicsClientHandle);
b3SharedMemoryStatusHandle statusHandle;
int ret;
ret = b3PhysicsParamSetTimeStep(command, timeStepInSeconds);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
}
void b3RobotSimulatorClientAPI::setNumSimulationSubSteps(int numSubSteps)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle command = b3InitPhysicsParamCommand(m_data->m_physicsClientHandle);
b3SharedMemoryStatusHandle statusHandle;
b3PhysicsParamSetNumSubSteps(command, numSubSteps);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
b3Assert(b3GetStatusType(statusHandle)==CMD_CLIENT_COMMAND_COMPLETED);
}
bool b3RobotSimulatorClientAPI::calculateInverseKinematics(const struct b3RobotSimulatorInverseKinematicArgs& args, struct b3RobotSimulatorInverseKinematicsResults& results)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3Assert(args.m_endEffectorLinkIndex>=0);
b3Assert(args.m_bodyUniqueId>=0);
b3SharedMemoryCommandHandle command = b3CalculateInverseKinematicsCommandInit(m_data->m_physicsClientHandle,args.m_bodyUniqueId);
if ((args.m_flags & B3_HAS_IK_TARGET_ORIENTATION) && (args.m_flags & B3_HAS_NULL_SPACE_VELOCITY))
{
b3CalculateInverseKinematicsPosOrnWithNullSpaceVel(command, args.m_numDegreeOfFreedom, args.m_endEffectorLinkIndex, args.m_endEffectorTargetPosition, args.m_endEffectorTargetOrientation, &args.m_lowerLimits[0], &args.m_upperLimits[0], &args.m_jointRanges[0], &args.m_restPoses[0]);
} else if (args.m_flags & B3_HAS_IK_TARGET_ORIENTATION)
{
b3CalculateInverseKinematicsAddTargetPositionWithOrientation(command,args.m_endEffectorLinkIndex,args.m_endEffectorTargetPosition,args.m_endEffectorTargetOrientation);
} else if (args.m_flags & B3_HAS_NULL_SPACE_VELOCITY)
{
b3CalculateInverseKinematicsPosWithNullSpaceVel(command, args.m_numDegreeOfFreedom, args.m_endEffectorLinkIndex, args.m_endEffectorTargetPosition, &args.m_lowerLimits[0], &args.m_upperLimits[0], &args.m_jointRanges[0], &args.m_restPoses[0]);
} else
{
b3CalculateInverseKinematicsAddTargetPurePosition(command,args.m_endEffectorLinkIndex,args.m_endEffectorTargetPosition);
}
if (args.m_flags & B3_HAS_JOINT_DAMPING)
{
b3CalculateInverseKinematicsSetJointDamping(command, args.m_numDegreeOfFreedom, &args.m_jointDamping[0]);
}
b3SharedMemoryStatusHandle statusHandle;
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
int numPos=0;
bool result = b3GetStatusInverseKinematicsJointPositions(statusHandle,
&results.m_bodyUniqueId,
&numPos,
0)!=0;
if (result && numPos)
{
results.m_calculatedJointPositions.resize(numPos);
result = b3GetStatusInverseKinematicsJointPositions(statusHandle,
&results.m_bodyUniqueId,
&numPos,
&results.m_calculatedJointPositions[0])!=0;
}
return result;
}
bool b3RobotSimulatorClientAPI::getBodyJacobian(int bodyUniqueId, int linkIndex, const double* localPosition, const double* jointPositions, const double* jointVelocities, const double* jointAccelerations, double* linearJacobian, double* angularJacobian)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3SharedMemoryCommandHandle command = b3CalculateJacobianCommandInit(m_data->m_physicsClientHandle, bodyUniqueId, linkIndex, localPosition, jointPositions, jointVelocities, jointAccelerations);
b3SharedMemoryStatusHandle statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
if (b3GetStatusType(statusHandle) == CMD_CALCULATED_JACOBIAN_COMPLETED)
{
b3GetStatusJacobian(statusHandle, linearJacobian, angularJacobian);
return true;
}
return false;
}
bool b3RobotSimulatorClientAPI::getLinkState(int bodyUniqueId, int linkIndex, b3LinkState* linkState)
{
if (!isConnected())
{
b3Warning("Not connected");
return false;
}
b3SharedMemoryCommandHandle command = b3RequestActualStateCommandInit(m_data->m_physicsClientHandle,bodyUniqueId);
b3SharedMemoryStatusHandle statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, command);
if (b3GetStatusType(statusHandle) == CMD_ACTUAL_STATE_UPDATE_COMPLETED)
{
b3GetLinkState(m_data->m_physicsClientHandle, statusHandle, linkIndex, linkState);
return true;
}
return false;
}
void b3RobotSimulatorClientAPI::configureDebugVisualizer(b3ConfigureDebugVisualizerEnum flag, int enable)
{
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle commandHandle = b3InitConfigureOpenGLVisualizer(m_data->m_physicsClientHandle);
b3ConfigureOpenGLVisualizerSetVisualizationFlags(commandHandle, flag, enable);
b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, commandHandle);
}
void b3RobotSimulatorClientAPI::getVREvents(b3VREventsData* vrEventsData)
{
vrEventsData->m_numControllerEvents = 0;
vrEventsData->m_controllerEvents = 0;
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle commandHandle = b3RequestVREventsCommandInit(m_data->m_physicsClientHandle);
b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, commandHandle);
b3GetVREventsData(m_data->m_physicsClientHandle, vrEventsData);
}
void b3RobotSimulatorClientAPI::getKeyboardEvents(b3KeyboardEventsData* keyboardEventsData)
{
keyboardEventsData->m_numKeyboardEvents = 0;
keyboardEventsData->m_keyboardEvents = 0;
if (!isConnected())
{
b3Warning("Not connected");
return;
}
b3SharedMemoryCommandHandle commandHandle = b3RequestKeyboardEventsCommandInit(m_data->m_physicsClientHandle);
b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, commandHandle);
b3GetKeyboardEventsData(m_data->m_physicsClientHandle,keyboardEventsData);
}
int b3RobotSimulatorClientAPI::startStateLogging(b3StateLoggingType loggingType, const std::string& fileName, const b3AlignedObjectArray<int>& objectUniqueIds)
{
int loggingUniqueId = -1;
b3SharedMemoryCommandHandle commandHandle;
commandHandle = b3StateLoggingCommandInit(m_data->m_physicsClientHandle);
b3StateLoggingStart(commandHandle,loggingType,fileName.c_str());
for ( int i=0;i<objectUniqueIds.size();i++)
{
int objectUid = objectUniqueIds[i];
b3StateLoggingAddLoggingObjectUniqueId(commandHandle,objectUid);
}
b3SharedMemoryStatusHandle statusHandle;
int statusType;
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, commandHandle);
statusType = b3GetStatusType(statusHandle);
if (statusType==CMD_STATE_LOGGING_START_COMPLETED)
{
loggingUniqueId = b3GetStatusLoggingUniqueId(statusHandle);
}
return loggingUniqueId;
}
void b3RobotSimulatorClientAPI::stopStateLogging(int stateLoggerUniqueId)
{
b3SharedMemoryCommandHandle commandHandle;
b3SharedMemoryStatusHandle statusHandle;
commandHandle = b3StateLoggingCommandInit(m_data->m_physicsClientHandle);
b3StateLoggingStop(commandHandle, stateLoggerUniqueId);
statusHandle = b3SubmitClientCommandAndWaitStatus(m_data->m_physicsClientHandle, commandHandle);
}