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add physics server loopback (both client and server in the same process, using shared memory)

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add physics server direct (client and server in the same process, directly processing commands without shared memory transport mechanism)
This commit is contained in:
erwincoumans
2015-11-22 20:50:32 -08:00
parent 7d6c2b77f7
commit 03bf78ef49
23 changed files with 2914 additions and 2086 deletions
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132
examples/SharedMemory/PhysicsClientSharedMemory.cpp
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@@ -10,26 +10,11 @@
#include "../../Extras/Serialize/BulletFileLoader/btBulletFile.h"
#include "../../Extras/Serialize/BulletFileLoader/autogenerated/bullet.h"
#include "SharedMemoryBlock.h"
#include "BodyJointInfoUtility.h"
// copied from btMultiBodyLink.h
enum JointType {
eRevoluteType = 0,
ePrismaticType = 1,
};
struct TmpFloat3 {
float m_x;
float m_y;
float m_z;
};
TmpFloat3 CreateTmpFloat3(float x, float y, float z) {
TmpFloat3 tmp;
tmp.m_x = x;
tmp.m_y = y;
tmp.m_z = z;
return tmp;
}
struct BodyJointInfoCache
{
@@ -72,14 +57,8 @@ struct PhysicsClientSharedMemoryInternalData {
bool canSubmitCommand() const;
};
static char* strDup(const char* const str)
{
#ifdef _WIN32
return _strdup(str);
#else
return strdup(str);
#endif
}
int PhysicsClientSharedMemory::getNumJoints(int bodyIndex) const
{
@@ -184,6 +163,7 @@ const SharedMemoryStatus* PhysicsClientSharedMemory::processServerStatus() {
EnumSharedMemoryServerStatus s = (EnumSharedMemoryServerStatus)serverCmd.m_type;
// consume the command
switch (serverCmd.m_type) {
case CMD_CLIENT_COMMAND_COMPLETED: {
if (m_data->m_verboseOutput) {
@@ -199,7 +179,7 @@ const SharedMemoryStatus* PhysicsClientSharedMemory::processServerStatus() {
if (serverCmd.m_dataStreamArguments.m_streamChunkLength > 0) {
bParse::btBulletFile bf(
this->m_data->m_testBlock1->m_bulletStreamDataServerToClient,
this->m_data->m_testBlock1->m_bulletStreamDataServerToClientRefactor,
serverCmd.m_dataStreamArguments.m_streamChunkLength);
bf.setFileDNAisMemoryDNA();
bf.parse(false);
@@ -209,98 +189,21 @@ const SharedMemoryStatus* PhysicsClientSharedMemory::processServerStatus() {
m_data->m_bodyJointMap.insert(bodyIndex,bodyJoints);
for (int i = 0; i < bf.m_multiBodies.size(); i++) {
int flag = bf.getFlags();
int qOffset = 7;
int uOffset = 6;
int flag = bf.getFlags();
if ((flag & bParse::FD_DOUBLE_PRECISION) != 0) {
Bullet::btMultiBodyDoubleData* mb =
(Bullet::btMultiBodyDoubleData*)bf.m_multiBodies[i];
if (mb->m_baseName) {
if (m_data->m_verboseOutput) {
b3Printf("mb->m_baseName = %s\n", mb->m_baseName);
}
}
for (int link = 0; link < mb->m_numLinks; link++) {
{
b3JointInfo info;
info.m_flags = 0;
info.m_jointIndex = link;
info.m_qIndex =
(0 < mb->m_links[link].m_posVarCount) ? qOffset : -1;
info.m_uIndex =
(0 < mb->m_links[link].m_dofCount) ? uOffset : -1;
if (mb->m_links[link].m_linkName) {
if (m_data->m_verboseOutput) {
b3Printf("mb->m_links[%d].m_linkName = %s\n", link,
mb->m_links[link].m_linkName);
}
info.m_linkName = strDup(mb->m_links[link].m_linkName);
}
if (mb->m_links[link].m_jointName) {
if (m_data->m_verboseOutput) {
b3Printf("mb->m_links[%d].m_jointName = %s\n", link,
mb->m_links[link].m_jointName);
}
info.m_jointName = strDup(mb->m_links[link].m_jointName);
}
info.m_jointType = mb->m_links[link].m_jointType;
if ((mb->m_links[link].m_jointType == eRevoluteType) ||
(mb->m_links[link].m_jointType == ePrismaticType)) {
info.m_flags |= JOINT_HAS_MOTORIZED_POWER;
}
bodyJoints->m_jointInfo.push_back(info);
}
qOffset += mb->m_links[link].m_posVarCount;
uOffset += mb->m_links[link].m_dofCount;
}
} else {
addJointInfoFromMultiBodyData(mb,bodyJoints, m_data->m_verboseOutput);
} else
{
Bullet::btMultiBodyFloatData* mb =
(Bullet::btMultiBodyFloatData*)bf.m_multiBodies[i];
if (mb->m_baseName) {
if (m_data->m_verboseOutput) {
b3Printf("mb->m_baseName = %s\n", mb->m_baseName);
}
}
for (int link = 0; link < mb->m_numLinks; link++) {
{
b3JointInfo info;
info.m_flags = 0;
info.m_jointIndex = link;
info.m_qIndex =
(0 < mb->m_links[link].m_posVarCount) ? qOffset : -1;
info.m_uIndex =
(0 < mb->m_links[link].m_dofCount) ? uOffset : -1;
if (mb->m_links[link].m_linkName) {
if (m_data->m_verboseOutput) {
b3Printf("mb->m_links[%d].m_linkName = %s\n", link,
mb->m_links[link].m_linkName);
}
info.m_linkName = strDup(mb->m_links[link].m_linkName);
}
if (mb->m_links[link].m_jointName) {
if (m_data->m_verboseOutput) {
b3Printf("mb->m_links[%d].m_jointName = %s\n", link,
mb->m_links[link].m_jointName);
}
info.m_jointName = strDup(mb->m_links[link].m_jointName);
}
info.m_jointType = mb->m_links[link].m_jointType;
if ((mb->m_links[link].m_jointType == eRevoluteType) ||
(mb->m_links[link].m_jointType == ePrismaticType)) {
info.m_flags |= JOINT_HAS_MOTORIZED_POWER;
}
bodyJoints->m_jointInfo.push_back(info);
}
qOffset += mb->m_links[link].m_posVarCount;
uOffset += mb->m_links[link].m_dofCount;
}
addJointInfoFromMultiBodyData(mb,bodyJoints, m_data->m_verboseOutput);
}
}
if (bf.ok()) {
@@ -406,6 +309,9 @@ const SharedMemoryStatus* PhysicsClientSharedMemory::processServerStatus() {
if (m_data->m_verboseOutput) {
b3Printf("CMD_RESET_SIMULATION_COMPLETED clean data\n");
}
m_data->m_debugLinesFrom.clear();
m_data->m_debugLinesTo.clear();
m_data->m_debugLinesColor.clear();
for (int i=0;i<m_data->m_bodyJointMap.size();i++)
{
BodyJointInfoCache** bodyJointsPtr = m_data->m_bodyJointMap.getAtIndex(i);
@@ -437,12 +343,12 @@ const SharedMemoryStatus* PhysicsClientSharedMemory::processServerStatus() {
int numLines = serverCmd.m_sendDebugLinesArgs.m_numDebugLines;
float* linesFrom =
(float*)&m_data->m_testBlock1->m_bulletStreamDataServerToClient[0];
(float*)&m_data->m_testBlock1->m_bulletStreamDataServerToClientRefactor[0];
float* linesTo =
(float*)(&m_data->m_testBlock1->m_bulletStreamDataServerToClient[0] +
(float*)(&m_data->m_testBlock1->m_bulletStreamDataServerToClientRefactor[0] +
numLines * 3 * sizeof(float));
float* linesColor =
(float*)(&m_data->m_testBlock1->m_bulletStreamDataServerToClient[0] +
(float*)(&m_data->m_testBlock1->m_bulletStreamDataServerToClientRefactor[0] +
2 * numLines * 3 * sizeof(float));
m_data->m_debugLinesFrom.resize(serverCmd.m_sendDebugLinesArgs.m_startingLineIndex +