redgpu/bullet: Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

examples/SharedMemory/PhysicsDirect.cpp
1 835 строк55 KB
erwin coumans
add performCollisionDetection (stepSimulation also calls this, but does more, including solving constraints and integration)
26 мар 2021, 20:31
26 мар 2021, 20:31d1c4c41
#include "PhysicsDirect.h"

#include "PhysicsClientSharedMemory.h"
#include "../CommonInterfaces/CommonGUIHelperInterface.h"
#include "SharedMemoryCommands.h"
#include "PhysicsCommandProcessorInterface.h"
#include "../Utils/b3Clock.h"

#include "LinearMath/btHashMap.h"
#include "LinearMath/btAlignedObjectArray.h"
#include "../../Extras/Serialize/BulletFileLoader/btBulletFile.h"
#include "../../Extras/Serialize/BulletFileLoader/autogenerated/bullet.h"
#include "BodyJointInfoUtility.h"
#include <string>

#include "SharedMemoryUserData.h"
#include "LinearMath/btQuickprof.h"

struct BodyJointInfoCache2
{
	std::string m_baseName;
	btAlignedObjectArray<b3JointInfo> m_jointInfo;
	std::string m_bodyName;
	btAlignedObjectArray<int> m_userDataIds;
	int m_numDofs;

	~BodyJointInfoCache2()
	{
	}
};

struct PhysicsDirectInternalData
{
	DummyGUIHelper m_noGfx;

	btAlignedObjectArray<char> m_serverDNA;
	SharedMemoryCommand m_command;
	SharedMemoryStatus m_serverStatus;

	SharedMemoryCommand m_tmpInfoRequestCommand;
	SharedMemoryStatus m_tmpInfoStatus;
	bool m_hasStatus;
	bool m_verboseOutput;

	btAlignedObjectArray<TmpFloat3> m_debugLinesFrom;
	btAlignedObjectArray<TmpFloat3> m_debugLinesTo;
	btAlignedObjectArray<TmpFloat3> m_debugLinesColor;

	btHashMap<btHashInt, BodyJointInfoCache2*> m_bodyJointMap;
	btHashMap<btHashInt, b3UserConstraint> m_userConstraintInfoMap;

	btAlignedObjectArray<CProfileSample*> m_profileTimings;
	btHashMap<btHashString, std::string*> m_profileTimingStringArray;

	char m_bulletStreamDataServerToClient[SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE];
	btAlignedObjectArray<double> m_cachedMassMatrix;
	int m_cachedCameraPixelsWidth;
	int m_cachedCameraPixelsHeight;
	btAlignedObjectArray<unsigned char> m_cachedCameraPixelsRGBA;
	btAlignedObjectArray<float> m_cachedCameraDepthBuffer;
	btAlignedObjectArray<int> m_cachedSegmentationMask;

	btAlignedObjectArray<b3ContactPointData> m_cachedContactPoints;
	btAlignedObjectArray<b3OverlappingObject> m_cachedOverlappingObjects;

	btAlignedObjectArray<b3VisualShapeData> m_cachedVisualShapes;
	btAlignedObjectArray<b3CollisionShapeData> m_cachedCollisionShapes;

	b3MeshData m_cachedMeshData;
	btAlignedObjectArray<b3MeshVertex> m_cachedVertexPositions;

	btAlignedObjectArray<b3VRControllerEvent> m_cachedVREvents;

	btAlignedObjectArray<b3KeyboardEvent> m_cachedKeyboardEvents;
	btAlignedObjectArray<b3MouseEvent> m_cachedMouseEvents;

	btAlignedObjectArray<b3RayHitInfo> m_raycastHits;

	btHashMap<btHashInt, SharedMemoryUserData> m_userDataMap;
	btHashMap<SharedMemoryUserDataHashKey, int> m_userDataHandleLookup;

	btAlignedObjectArray<char> m_cachedReturnData;
	b3UserDataValue m_cachedReturnDataValue;


	PhysicsCommandProcessorInterface* m_commandProcessor;
	bool m_ownsCommandProcessor;
	double m_timeOutInSeconds;

	SendActualStateSharedMemoryStorage m_cachedState;

	PhysicsDirectInternalData()
		: m_hasStatus(false),
		  m_verboseOutput(false),
		  m_cachedCameraPixelsWidth(0),
		  m_cachedCameraPixelsHeight(0),
		  m_commandProcessor(NULL),
		  m_ownsCommandProcessor(false),
		  m_timeOutInSeconds(1e30)
	{
		memset(&m_cachedMeshData.m_numVertices, 0, sizeof(b3MeshData));
		memset(&m_command, 0, sizeof(m_command));
		memset(&m_serverStatus, 0, sizeof(m_serverStatus));
		memset(m_bulletStreamDataServerToClient, 0, sizeof(m_bulletStreamDataServerToClient));
	}
};

PhysicsDirect::PhysicsDirect(PhysicsCommandProcessorInterface* physSdk, bool passSdkOwnership)
{
	int sz = sizeof(SharedMemoryCommand);
	int sz2 = sizeof(SharedMemoryStatus);

	m_data = new PhysicsDirectInternalData;
	m_data->m_commandProcessor = physSdk;
	m_data->m_ownsCommandProcessor = passSdkOwnership;
}

PhysicsDirect::~PhysicsDirect()
{
	for (int i = 0; i < m_data->m_profileTimingStringArray.size(); i++)
	{
		std::string** str = m_data->m_profileTimingStringArray.getAtIndex(i);
		if (str)
		{
			delete *str;
		}
	}
	m_data->m_profileTimingStringArray.clear();

	if (m_data->m_commandProcessor->isConnected())
	{
		m_data->m_commandProcessor->disconnect();
	}
	if (m_data->m_ownsCommandProcessor)
	{
		delete m_data->m_commandProcessor;
	}

	resetData();

	delete m_data;
}

void PhysicsDirect::resetData()
{
	m_data->m_debugLinesFrom.clear();
	m_data->m_debugLinesTo.clear();
	m_data->m_debugLinesColor.clear();
	m_data->m_userConstraintInfoMap.clear();
	m_data->m_userDataMap.clear();
	m_data->m_userDataHandleLookup.clear();
	clearCachedBodies();
}

void PhysicsDirect::clearCachedBodies()
{
	for (int i = 0; i < m_data->m_bodyJointMap.size(); i++)
	{
		BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap.getAtIndex(i);
		if (bodyJointsPtr && *bodyJointsPtr)
		{
			delete (*bodyJointsPtr);
		}
	}
	m_data->m_bodyJointMap.clear();
}

// return true if connection succesfull, can also check 'isConnected'
bool PhysicsDirect::connect()
{
	bool connected = m_data->m_commandProcessor->connect();
	m_data->m_commandProcessor->setGuiHelper(&m_data->m_noGfx);

	if (connected)
	//also request serialization data
	{
		SharedMemoryCommand command;
		command.m_type = CMD_REQUEST_INTERNAL_DATA;
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
		if (hasStatus)
		{
			postProcessStatus(m_data->m_serverStatus);
		}
		else
		{
			b3Clock clock;
			double timeSec = clock.getTimeInSeconds();

			while ((!hasStatus) && (clock.getTimeInSeconds() - timeSec < 10))
			{
				const SharedMemoryStatus* stat = processServerStatus();
				if (stat)
				{
					hasStatus = true;
				}
			}
		}
	}

	return connected;
}

// return true if connection succesfull, can also check 'isConnected'
bool PhysicsDirect::connect(struct GUIHelperInterface* guiHelper)
{
	bool connected = m_data->m_commandProcessor->connect();

	m_data->m_commandProcessor->setGuiHelper(guiHelper);

	return connected;
}

void PhysicsDirect::renderScene()
{
	int renderFlags = 0;
	m_data->m_commandProcessor->renderScene(renderFlags);
}

void PhysicsDirect::debugDraw(int debugDrawMode)
{
	m_data->m_commandProcessor->physicsDebugDraw(debugDrawMode);
}

////todo: rename to 'disconnect'
void PhysicsDirect::disconnectSharedMemory()
{
	m_data->m_commandProcessor->disconnect();
	m_data->m_commandProcessor->setGuiHelper(0);
}

bool PhysicsDirect::isConnected() const
{
	return m_data->m_commandProcessor->isConnected();
}

// return non-null if there is a status, nullptr otherwise
const SharedMemoryStatus* PhysicsDirect::processServerStatus()
{
	if (!m_data->m_hasStatus)
	{
		m_data->m_hasStatus = m_data->m_commandProcessor->receiveStatus(m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
	}

	SharedMemoryStatus* stat = 0;
	if (m_data->m_hasStatus)
	{
		stat = &m_data->m_serverStatus;

		postProcessStatus(m_data->m_serverStatus);

		m_data->m_hasStatus = false;
	}
	return stat;
}

SharedMemoryCommand* PhysicsDirect::getAvailableSharedMemoryCommand()
{
	return &m_data->m_command;
}

bool PhysicsDirect::canSubmitCommand() const
{
	return m_data->m_commandProcessor->isConnected();
}

bool PhysicsDirect::processDebugLines(const struct SharedMemoryCommand& orgCommand)
{
	SharedMemoryCommand command = orgCommand;

	const SharedMemoryStatus& serverCmd = m_data->m_serverStatus;

	do
	{
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

		b3Clock clock;
		double startTime = clock.getTimeInSeconds();
		double timeOutInSeconds = m_data->m_timeOutInSeconds;

		while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
		{
			const SharedMemoryStatus* stat = processServerStatus();
			if (stat)
			{
				hasStatus = true;
			}
		}

		m_data->m_hasStatus = hasStatus;

		if (hasStatus)
		{
			btAssert(m_data->m_serverStatus.m_type == CMD_DEBUG_LINES_COMPLETED);

			if (m_data->m_verboseOutput)
			{
				b3Printf("Success receiving %d debug lines",
						 serverCmd.m_sendDebugLinesArgs.m_numDebugLines);
			}

			int numLines = serverCmd.m_sendDebugLinesArgs.m_numDebugLines;
			float* linesFrom =
				(float*)&m_data->m_bulletStreamDataServerToClient[0];
			float* linesTo =
				(float*)(&m_data->m_bulletStreamDataServerToClient[0] +
						 numLines * 3 * sizeof(float));
			float* linesColor =
				(float*)(&m_data->m_bulletStreamDataServerToClient[0] +
						 2 * numLines * 3 * sizeof(float));

			m_data->m_debugLinesFrom.resize(serverCmd.m_sendDebugLinesArgs.m_startingLineIndex +
											numLines);
			m_data->m_debugLinesTo.resize(serverCmd.m_sendDebugLinesArgs.m_startingLineIndex +
										  numLines);
			m_data->m_debugLinesColor.resize(
				serverCmd.m_sendDebugLinesArgs.m_startingLineIndex + numLines);

			for (int i = 0; i < numLines; i++)
			{
				TmpFloat3 from = CreateTmpFloat3(linesFrom[i * 3], linesFrom[i * 3 + 1],
												 linesFrom[i * 3 + 2]);
				TmpFloat3 to =
					CreateTmpFloat3(linesTo[i * 3], linesTo[i * 3 + 1], linesTo[i * 3 + 2]);
				TmpFloat3 color = CreateTmpFloat3(linesColor[i * 3], linesColor[i * 3 + 1],
												  linesColor[i * 3 + 2]);

				m_data
					->m_debugLinesFrom[serverCmd.m_sendDebugLinesArgs.m_startingLineIndex + i] =
					from;
				m_data->m_debugLinesTo[serverCmd.m_sendDebugLinesArgs.m_startingLineIndex + i] =
					to;
				m_data->m_debugLinesColor[serverCmd.m_sendDebugLinesArgs.m_startingLineIndex +
										  i] = color;
			}

			if (serverCmd.m_sendDebugLinesArgs.m_numRemainingDebugLines > 0)
			{
				m_data->m_hasStatus = false;

				command.m_type = CMD_REQUEST_DEBUG_LINES;
				command.m_requestDebugLinesArguments.m_startingLineIndex =
					serverCmd.m_sendDebugLinesArgs.m_numDebugLines +
					serverCmd.m_sendDebugLinesArgs.m_startingLineIndex;
			}
		}

	} while (serverCmd.m_sendDebugLinesArgs.m_numRemainingDebugLines > 0);

	return m_data->m_hasStatus;
}

bool PhysicsDirect::processVisualShapeData(const struct SharedMemoryCommand& orgCommand)
{
	SharedMemoryCommand command = orgCommand;
	const SharedMemoryStatus& serverCmd = m_data->m_serverStatus;

	do
	{
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

		b3Clock clock;
		double startTime = clock.getTimeInSeconds();
		double timeOutInSeconds = m_data->m_timeOutInSeconds;

		while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
		{
			const SharedMemoryStatus* stat = processServerStatus();
			if (stat)
			{
				hasStatus = true;
			}
		}

		m_data->m_hasStatus = hasStatus;
		if (hasStatus)
		{
			if (m_data->m_verboseOutput)
			{
				b3Printf("Visual Shape Information Request OK\n");
			}
			int startVisualShapeIndex = serverCmd.m_sendVisualShapeArgs.m_startingVisualShapeIndex;
			int numVisualShapesCopied = serverCmd.m_sendVisualShapeArgs.m_numVisualShapesCopied;
			m_data->m_cachedVisualShapes.resize(startVisualShapeIndex + numVisualShapesCopied);
			b3VisualShapeData* shapeData = (b3VisualShapeData*)&m_data->m_bulletStreamDataServerToClient[0];
			for (int i = 0; i < numVisualShapesCopied; i++)
			{
				m_data->m_cachedVisualShapes[startVisualShapeIndex + i] = shapeData[i];
			}

			if (serverCmd.m_sendVisualShapeArgs.m_numRemainingVisualShapes > 0 && serverCmd.m_sendVisualShapeArgs.m_numVisualShapesCopied)
			{
				m_data->m_hasStatus = false;

				command.m_type = CMD_REQUEST_VISUAL_SHAPE_INFO;
				command.m_requestVisualShapeDataArguments.m_startingVisualShapeIndex = serverCmd.m_sendVisualShapeArgs.m_startingVisualShapeIndex + serverCmd.m_sendVisualShapeArgs.m_numVisualShapesCopied;
				command.m_requestVisualShapeDataArguments.m_bodyUniqueId = serverCmd.m_sendVisualShapeArgs.m_bodyUniqueId;
			}
		}
	} while (serverCmd.m_sendVisualShapeArgs.m_numRemainingVisualShapes > 0 && serverCmd.m_sendVisualShapeArgs.m_numVisualShapesCopied);

	return m_data->m_hasStatus;
}

bool PhysicsDirect::processOverlappingObjects(const struct SharedMemoryCommand& orgCommand)
{
	SharedMemoryCommand command = orgCommand;

	const SharedMemoryStatus& serverCmd = m_data->m_serverStatus;

	do
	{
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

		b3Clock clock;
		double startTime = clock.getTimeInSeconds();
		double timeOutInSeconds = m_data->m_timeOutInSeconds;

		while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
		{
			const SharedMemoryStatus* stat = processServerStatus();
			if (stat)
			{
				hasStatus = true;
			}
		}

		m_data->m_hasStatus = hasStatus;
		if (hasStatus)
		{
			if (m_data->m_verboseOutput)
			{
				b3Printf("Overlapping Objects Request OK\n");
			}

			int startOverlapIndex = serverCmd.m_sendOverlappingObjectsArgs.m_startingOverlappingObjectIndex;
			int numOverlapCopied = serverCmd.m_sendOverlappingObjectsArgs.m_numOverlappingObjectsCopied;
			m_data->m_cachedOverlappingObjects.resize(startOverlapIndex + numOverlapCopied);
			b3OverlappingObject* objects = (b3OverlappingObject*)&m_data->m_bulletStreamDataServerToClient[0];

			for (int i = 0; i < numOverlapCopied; i++)
			{
				m_data->m_cachedOverlappingObjects[startOverlapIndex + i] = objects[i];
			}

			if (serverCmd.m_sendOverlappingObjectsArgs.m_numRemainingOverlappingObjects > 0 && serverCmd.m_sendOverlappingObjectsArgs.m_numOverlappingObjectsCopied)
			{
				m_data->m_hasStatus = false;
				command.m_type = CMD_REQUEST_AABB_OVERLAP;
				command.m_requestOverlappingObjectsArgs.m_startingOverlappingObjectIndex = serverCmd.m_sendOverlappingObjectsArgs.m_startingOverlappingObjectIndex + serverCmd.m_sendOverlappingObjectsArgs.m_numOverlappingObjectsCopied;
			}
		}
	} while (serverCmd.m_sendOverlappingObjectsArgs.m_numRemainingOverlappingObjects > 0 && serverCmd.m_sendOverlappingObjectsArgs.m_numOverlappingObjectsCopied);

	return m_data->m_hasStatus;
}

bool PhysicsDirect::processContactPointData(const struct SharedMemoryCommand& orgCommand)
{
	SharedMemoryCommand command = orgCommand;

	const SharedMemoryStatus& serverCmd = m_data->m_serverStatus;

	do
	{
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

		b3Clock clock;
		double startTime = clock.getTimeInSeconds();
		double timeOutInSeconds = m_data->m_timeOutInSeconds;

		while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
		{
			const SharedMemoryStatus* stat = processServerStatus();
			if (stat)
			{
				hasStatus = true;
			}
		}

		m_data->m_hasStatus = hasStatus;
		if (hasStatus)
		{
			if (m_data->m_verboseOutput)
			{
				b3Printf("Contact Point Information Request OK\n");
			}
			int startContactIndex = serverCmd.m_sendContactPointArgs.m_startingContactPointIndex;
			int numContactsCopied = serverCmd.m_sendContactPointArgs.m_numContactPointsCopied;

			m_data->m_cachedContactPoints.resize(startContactIndex + numContactsCopied);

			b3ContactPointData* contactData = (b3ContactPointData*)&m_data->m_bulletStreamDataServerToClient[0];

			for (int i = 0; i < numContactsCopied; i++)
			{
				m_data->m_cachedContactPoints[startContactIndex + i] = contactData[i];
			}

			if (serverCmd.m_sendContactPointArgs.m_numRemainingContactPoints > 0 && serverCmd.m_sendContactPointArgs.m_numContactPointsCopied)
			{
				m_data->m_hasStatus = false;

				command.m_type = CMD_REQUEST_CONTACT_POINT_INFORMATION;
				command.m_requestContactPointArguments.m_startingContactPointIndex = serverCmd.m_sendContactPointArgs.m_startingContactPointIndex + serverCmd.m_sendContactPointArgs.m_numContactPointsCopied;
				command.m_requestContactPointArguments.m_objectAIndexFilter = -1;
				command.m_requestContactPointArguments.m_objectBIndexFilter = -1;
			}
		}
	} while (serverCmd.m_sendContactPointArgs.m_numRemainingContactPoints > 0 && serverCmd.m_sendContactPointArgs.m_numContactPointsCopied);

	return m_data->m_hasStatus;
}

bool PhysicsDirect::processCamera(const struct SharedMemoryCommand& orgCommand)
{
	SharedMemoryCommand command = orgCommand;

	const SharedMemoryStatus& serverCmd = m_data->m_serverStatus;

	do
	{
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

		b3Clock clock;
		double startTime = clock.getTimeInSeconds();
		double timeOutInSeconds = m_data->m_timeOutInSeconds;

		while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
		{
			const SharedMemoryStatus* stat = processServerStatus();
			if (stat)
			{
				hasStatus = true;
			}
		}

		m_data->m_hasStatus = hasStatus;
		if (hasStatus)
		{
			btAssert(m_data->m_serverStatus.m_type == CMD_CAMERA_IMAGE_COMPLETED);

			if (m_data->m_verboseOutput)
			{
				b3Printf("Camera image OK\n");
			}

			int numBytesPerPixel = 4;  //RGBA
			int numTotalPixels = serverCmd.m_sendPixelDataArguments.m_startingPixelIndex +
								 serverCmd.m_sendPixelDataArguments.m_numPixelsCopied +
								 serverCmd.m_sendPixelDataArguments.m_numRemainingPixels;

			m_data->m_cachedCameraPixelsWidth = 0;
			m_data->m_cachedCameraPixelsHeight = 0;

			int numPixels = serverCmd.m_sendPixelDataArguments.m_imageWidth * serverCmd.m_sendPixelDataArguments.m_imageHeight;

			m_data->m_cachedCameraPixelsRGBA.reserve(numPixels * numBytesPerPixel);
			m_data->m_cachedCameraDepthBuffer.resize(numTotalPixels);
			m_data->m_cachedSegmentationMask.resize(numTotalPixels);
			m_data->m_cachedCameraPixelsRGBA.resize(numTotalPixels * numBytesPerPixel);

			unsigned char* rgbaPixelsReceived =
				(unsigned char*)&m_data->m_bulletStreamDataServerToClient[0];

			float* depthBuffer = (float*)&(m_data->m_bulletStreamDataServerToClient[serverCmd.m_sendPixelDataArguments.m_numPixelsCopied * 4]);
			int* segmentationMaskBuffer = (int*)&(m_data->m_bulletStreamDataServerToClient[serverCmd.m_sendPixelDataArguments.m_numPixelsCopied * 8]);

			//  printf("pixel = %d\n", rgbaPixelsReceived[0]);

			for (int i = 0; i < serverCmd.m_sendPixelDataArguments.m_numPixelsCopied; i++)
			{
				m_data->m_cachedCameraDepthBuffer[i + serverCmd.m_sendPixelDataArguments.m_startingPixelIndex] = depthBuffer[i];
			}
			for (int i = 0; i < serverCmd.m_sendPixelDataArguments.m_numPixelsCopied; i++)
			{
				m_data->m_cachedSegmentationMask[i + serverCmd.m_sendPixelDataArguments.m_startingPixelIndex] = segmentationMaskBuffer[i];
			}
			for (int i = 0; i < serverCmd.m_sendPixelDataArguments.m_numPixelsCopied * numBytesPerPixel; i++)
			{
				m_data->m_cachedCameraPixelsRGBA[i + serverCmd.m_sendPixelDataArguments.m_startingPixelIndex * numBytesPerPixel] = rgbaPixelsReceived[i];
			}

			if (serverCmd.m_sendPixelDataArguments.m_numRemainingPixels > 0 && serverCmd.m_sendPixelDataArguments.m_numPixelsCopied)
			{
				m_data->m_hasStatus = false;

				// continue requesting remaining pixels
				command.m_type = CMD_REQUEST_CAMERA_IMAGE_DATA;
				command.m_requestPixelDataArguments.m_startPixelIndex =
					serverCmd.m_sendPixelDataArguments.m_startingPixelIndex +
					serverCmd.m_sendPixelDataArguments.m_numPixelsCopied;
			}
			else
			{
				m_data->m_cachedCameraPixelsWidth = serverCmd.m_sendPixelDataArguments.m_imageWidth;
				m_data->m_cachedCameraPixelsHeight = serverCmd.m_sendPixelDataArguments.m_imageHeight;
			}
		}
	} while (serverCmd.m_sendPixelDataArguments.m_numRemainingPixels > 0 && serverCmd.m_sendPixelDataArguments.m_numPixelsCopied);

	return m_data->m_hasStatus;
}

bool PhysicsDirect::processMeshData(const struct SharedMemoryCommand& orgCommand)
{
	SharedMemoryCommand command = orgCommand;

	const SharedMemoryStatus& serverCmd = m_data->m_serverStatus;
	do
	{
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

		b3Clock clock;
		double startTime = clock.getTimeInSeconds();
		double timeOutInSeconds = m_data->m_timeOutInSeconds;

		while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
		{
			const SharedMemoryStatus* stat = processServerStatus();
			if (stat)
			{
				hasStatus = true;
			}
		}

		m_data->m_hasStatus = hasStatus;
		if (hasStatus)
		{
			btAssert(m_data->m_serverStatus.m_type == CMD_REQUEST_MESH_DATA_COMPLETED);

			if (m_data->m_verboseOutput)
			{
				b3Printf("Mesh data OK\n");
			}

			const b3SendMeshDataArgs& args = serverCmd.m_sendMeshDataArgs;
			int numTotalPixels = args.m_startingVertex +
								 args.m_numVerticesCopied + args.m_numVerticesRemaining;

			btVector3* verticesReceived =
				(btVector3*)&m_data->m_bulletStreamDataServerToClient[0];

			
			m_data->m_cachedVertexPositions.resize(args.m_startingVertex +
													args.m_numVerticesCopied);

			for (int i = 0; i < args.m_numVerticesCopied; i++)
			{
				m_data->m_cachedVertexPositions[i + args.m_startingVertex].x = verticesReceived[i].x();
				m_data->m_cachedVertexPositions[i + args.m_startingVertex].y = verticesReceived[i].y();
				m_data->m_cachedVertexPositions[i + args.m_startingVertex].z = verticesReceived[i].z();
				m_data->m_cachedVertexPositions[i + args.m_startingVertex].w = verticesReceived[i].w();
			}

			if (args.m_numVerticesRemaining > 0 && args.m_numVerticesCopied)
			{
				m_data->m_hasStatus = false;

				// continue requesting remaining vertices
				command.m_type = CMD_REQUEST_MESH_DATA;
				command.m_requestMeshDataArgs.m_startingVertex =
					args.m_startingVertex + args.m_numVerticesCopied;
			}
			else
			{
				m_data->m_cachedMeshData.m_numVertices = args.m_startingVertex +
														 args.m_numVerticesCopied;
			}
		}
	} while (serverCmd.m_sendMeshDataArgs.m_numVerticesRemaining > 0 && serverCmd.m_sendMeshDataArgs.m_numVerticesCopied);

	return m_data->m_hasStatus;
}

void PhysicsDirect::processBodyJointInfo(int bodyUniqueId, const SharedMemoryStatus& serverCmd)
{
	BodyJointInfoCache2** cachePtr = m_data->m_bodyJointMap[bodyUniqueId];
	//don't process same bodyUniqueId multiple times
	if (cachePtr)
	{
		return;
	}

	bParse::btBulletFile bf(
		&m_data->m_bulletStreamDataServerToClient[0],
		serverCmd.m_numDataStreamBytes);
	if (m_data->m_serverDNA.size())
	{
		bf.setFileDNA(false, &m_data->m_serverDNA[0], m_data->m_serverDNA.size());
	}
	else
	{
		bf.setFileDNAisMemoryDNA();
	}
	{
		BT_PROFILE("bf.parse");
		bf.parse(false);
	}

	BodyJointInfoCache2* bodyJoints = new BodyJointInfoCache2;
	m_data->m_bodyJointMap.insert(bodyUniqueId, bodyJoints);
	bodyJoints->m_bodyName = serverCmd.m_dataStreamArguments.m_bodyName;

	for (int i = 0; i < bf.m_multiBodies.size(); i++)
	{
		int flag = bf.getFlags();
		if ((flag & bParse::FD_DOUBLE_PRECISION) != 0)
		{
			Bullet::btMultiBodyDoubleData* mb =
				(Bullet::btMultiBodyDoubleData*)bf.m_multiBodies[i];

			if (mb->m_baseName)
			{
				bodyJoints->m_baseName = mb->m_baseName;
			}
			addJointInfoFromMultiBodyData(mb, bodyJoints, m_data->m_verboseOutput);
		}
		else
		{
			Bullet::btMultiBodyFloatData* mb =
				(Bullet::btMultiBodyFloatData*)bf.m_multiBodies[i];

			if (mb->m_baseName)
			{
				bodyJoints->m_baseName = mb->m_baseName;
			}
			addJointInfoFromMultiBodyData(mb, bodyJoints, m_data->m_verboseOutput);
	
	}
	}
	if (bf.ok())
	{
		if (m_data->m_verboseOutput)
		{
			b3Printf("Received robot description ok!\n");
		}
	}
	else
	{
		b3Warning("Robot description not received");
	}
}

void PhysicsDirect::processAddUserData(const struct SharedMemoryStatus& serverCmd)
{
	const UserDataResponseArgs response = serverCmd.m_userDataResponseArgs;
	BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[response.m_bodyUniqueId];
	if (bodyJointsPtr && *bodyJointsPtr)
	{
		const char* dataStream = m_data->m_bulletStreamDataServerToClient;
		SharedMemoryUserData* userData = m_data->m_userDataMap[response.m_userDataId];
		if (userData)
		{
			// Only replace the value.
			userData->replaceValue(dataStream, response.m_valueLength, response.m_valueType);
		}
		else
		{
			// Add a new user data entry.
			const char* key = response.m_key;
			m_data->m_userDataMap.insert(response.m_userDataId, SharedMemoryUserData(key, response.m_bodyUniqueId, response.m_linkIndex, response.m_visualShapeIndex));
			userData = m_data->m_userDataMap[response.m_userDataId];
			userData->replaceValue(dataStream, response.m_valueLength, response.m_valueType);
			m_data->m_userDataHandleLookup.insert(SharedMemoryUserDataHashKey(userData), response.m_userDataId);
			(*bodyJointsPtr)->m_userDataIds.push_back(response.m_userDataId);
		}
	}
}

void PhysicsDirect::postProcessStatus(const struct SharedMemoryStatus& serverCmd)
{
	switch (serverCmd.m_type)
	{
		case CMD_REQUEST_RAY_CAST_INTERSECTIONS_COMPLETED:
		{
			if (m_data->m_verboseOutput)
			{
				b3Printf("Raycast completed");
			}
			m_data->m_raycastHits.clear();
			b3RayHitInfo* rayHits = (b3RayHitInfo*)m_data->m_bulletStreamDataServerToClient;
			for (int i = 0; i < serverCmd.m_raycastHits.m_numRaycastHits; i++)
			{
				m_data->m_raycastHits.push_back(rayHits[i]);
			}
			break;
		}
		case CMD_REQUEST_VR_EVENTS_DATA_COMPLETED:
		{
			if (m_data->m_verboseOutput)
			{
				b3Printf("Request VR Events completed");
			}
			m_data->m_cachedVREvents.resize(serverCmd.m_sendVREvents.m_numVRControllerEvents);
			for (int i = 0; i < serverCmd.m_sendVREvents.m_numVRControllerEvents; i++)
			{
				m_data->m_cachedVREvents[i] = serverCmd.m_sendVREvents.m_controllerEvents[i];
			}
			break;
		}
		case CMD_REQUEST_KEYBOARD_EVENTS_DATA_COMPLETED:
		{
			if (m_data->m_verboseOutput)
			{
				b3Printf("Request keyboard events completed");
			}
			m_data->m_cachedKeyboardEvents.resize(serverCmd.m_sendKeyboardEvents.m_numKeyboardEvents);
			for (int i = 0; i < serverCmd.m_sendKeyboardEvents.m_numKeyboardEvents; i++)
			{
				m_data->m_cachedKeyboardEvents[i] = serverCmd.m_sendKeyboardEvents.m_keyboardEvents[i];
			}
			break;
		}

		case CMD_REQUEST_MOUSE_EVENTS_DATA_COMPLETED:
		{
			B3_PROFILE("CMD_REQUEST_MOUSE_EVENTS_DATA_COMPLETED");
			if (m_data->m_verboseOutput)
			{
				b3Printf("Request mouse events completed");
			}
			m_data->m_cachedMouseEvents.resize(serverCmd.m_sendMouseEvents.m_numMouseEvents);
			for (int i = 0; i < serverCmd.m_sendMouseEvents.m_numMouseEvents; i++)
			{
				m_data->m_cachedMouseEvents[i] = serverCmd.m_sendMouseEvents.m_mouseEvents[i];
			}
			break;
		}

		case CMD_REQUEST_INTERNAL_DATA_COMPLETED:
		{
			if (serverCmd.m_numDataStreamBytes)
			{
				int numStreamBytes = serverCmd.m_numDataStreamBytes;
				m_data->m_serverDNA.resize(numStreamBytes);
				for (int i = 0; i < numStreamBytes; i++)
				{
					m_data->m_serverDNA[i] = m_data->m_bulletStreamDataServerToClient[i];
				}
			}
			break;
		}
		case CMD_RESET_SIMULATION_COMPLETED:
		{
			resetData();
			break;
		}

		case CMD_USER_CONSTRAINT_INFO_COMPLETED:
		case CMD_USER_CONSTRAINT_COMPLETED:
		{
			int cid = serverCmd.m_userConstraintResultArgs.m_userConstraintUniqueId;
			m_data->m_userConstraintInfoMap.insert(cid, serverCmd.m_userConstraintResultArgs);
			break;
		}
		case CMD_REMOVE_USER_CONSTRAINT_COMPLETED:
		{
			int cid = serverCmd.m_userConstraintResultArgs.m_userConstraintUniqueId;
			m_data->m_userConstraintInfoMap.remove(cid);
			break;
		}
		case CMD_REMOVE_BODY_FAILED:
		{
			b3Warning("Remove body failed\n");
			break;
		}
		case CMD_REMOVE_BODY_COMPLETED:
		{
			for (int i = 0; i < serverCmd.m_removeObjectArgs.m_numBodies; i++)
			{
				int bodyUniqueId = serverCmd.m_removeObjectArgs.m_bodyUniqueIds[i];
				removeCachedBody(bodyUniqueId);
			}
			for (int i = 0; i < serverCmd.m_removeObjectArgs.m_numUserConstraints; i++)
			{
				int key = serverCmd.m_removeObjectArgs.m_userConstraintUniqueIds[i];
				m_data->m_userConstraintInfoMap.remove(key);
			}

			break;
		}
		case CMD_CHANGE_USER_CONSTRAINT_COMPLETED:
		{
			int cid = serverCmd.m_userConstraintResultArgs.m_userConstraintUniqueId;
			b3UserConstraint* userConstraintPtr = m_data->m_userConstraintInfoMap[cid];
			if (userConstraintPtr)
			{
				const b3UserConstraint* serverConstraint = &serverCmd.m_userConstraintResultArgs;
				if (serverCmd.m_updateFlags & USER_CONSTRAINT_CHANGE_PIVOT_IN_B)
				{
					userConstraintPtr->m_childFrame[0] = serverConstraint->m_childFrame[0];
					userConstraintPtr->m_childFrame[1] = serverConstraint->m_childFrame[1];
					userConstraintPtr->m_childFrame[2] = serverConstraint->m_childFrame[2];
				}
				if (serverCmd.m_updateFlags & USER_CONSTRAINT_CHANGE_FRAME_ORN_IN_B)
				{
					userConstraintPtr->m_childFrame[3] = serverConstraint->m_childFrame[3];
					userConstraintPtr->m_childFrame[4] = serverConstraint->m_childFrame[4];
					userConstraintPtr->m_childFrame[5] = serverConstraint->m_childFrame[5];
					userConstraintPtr->m_childFrame[6] = serverConstraint->m_childFrame[6];
				}
				if (serverCmd.m_updateFlags & USER_CONSTRAINT_CHANGE_MAX_FORCE)
				{
					userConstraintPtr->m_maxAppliedForce = serverConstraint->m_maxAppliedForce;
				}
				if (serverCmd.m_updateFlags & USER_CONSTRAINT_CHANGE_GEAR_RATIO)
				{
					userConstraintPtr->m_gearRatio = serverConstraint->m_gearRatio;
				}
				if (serverCmd.m_updateFlags & USER_CONSTRAINT_CHANGE_RELATIVE_POSITION_TARGET)
				{
					userConstraintPtr->m_relativePositionTarget = serverConstraint->m_relativePositionTarget;
				}
				if (serverCmd.m_updateFlags & USER_CONSTRAINT_CHANGE_ERP)
				{
					userConstraintPtr->m_erp = serverConstraint->m_erp;
				}
				if (serverCmd.m_updateFlags & USER_CONSTRAINT_CHANGE_GEAR_AUX_LINK)
				{
					userConstraintPtr->m_gearAuxLink = serverConstraint->m_gearAuxLink;
				}
			}
			break;
		}
		case CMD_USER_CONSTRAINT_REQUEST_STATE_COMPLETED:
		{
			break;
		}
		case CMD_SYNC_BODY_INFO_COMPLETED:
		case CMD_MJCF_LOADING_COMPLETED:
		case CMD_SDF_LOADING_COMPLETED:
		{
			//we'll stream further info from the physics server
			//so serverCmd will be invalid, make a copy

			btAlignedObjectArray<int> bodyIdArray;
			btAlignedObjectArray<int> constraintIdArray;

			int numConstraints = serverCmd.m_sdfLoadedArgs.m_numUserConstraints;
			int numBodies = serverCmd.m_sdfLoadedArgs.m_numBodies;
			
			bodyIdArray.reserve(numBodies);
			constraintIdArray.reserve(numConstraints);

			if (serverCmd.m_type == CMD_SYNC_BODY_INFO_COMPLETED)
			{
				clearCachedBodies();
				const int* bodyIds = (int*)m_data->m_bulletStreamDataServerToClient;
				const int* constaintIds = bodyIds + numBodies;

				for (int i = 0; i < numConstraints; i++)
				{
					int constraintUid = constaintIds[i];
					constraintIdArray.push_back(constraintUid);
				}
				for (int i = 0; i < numBodies; i++)
				{
					int bodyUid = bodyIds[i];
					bodyIdArray.push_back(bodyUid);
				}
			}
			else
			{
				for (int i = 0; i < numConstraints; i++)
				{
					int constraintUid = serverCmd.m_sdfLoadedArgs.m_userConstraintUniqueIds[i];
					constraintIdArray.push_back(constraintUid);
				}
				for (int i = 0; i < numBodies; i++)
				{
					int bodyUid = serverCmd.m_sdfLoadedArgs.m_bodyUniqueIds[i];
					bodyIdArray.push_back(bodyUid);
				}

			}
			
			
			for (int i = 0; i < numConstraints; i++)
			{
				int constraintUid = constraintIdArray[i];

				m_data->m_tmpInfoRequestCommand.m_type = CMD_USER_CONSTRAINT;
				m_data->m_tmpInfoRequestCommand.m_updateFlags = USER_CONSTRAINT_REQUEST_INFO;
				m_data->m_tmpInfoRequestCommand.m_userConstraintArguments.m_userConstraintUniqueId = constraintUid;

				bool hasStatus = m_data->m_commandProcessor->processCommand(m_data->m_tmpInfoRequestCommand, m_data->m_tmpInfoStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

				b3Clock clock;
				double startTime = clock.getTimeInSeconds();
				double timeOutInSeconds = m_data->m_timeOutInSeconds;

				while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
				{
					hasStatus = m_data->m_commandProcessor->receiveStatus(m_data->m_tmpInfoStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
				}

				if (hasStatus)
				{
					int cid = m_data->m_tmpInfoStatus.m_userConstraintResultArgs.m_userConstraintUniqueId;
					m_data->m_userConstraintInfoMap.insert(cid, m_data->m_tmpInfoStatus.m_userConstraintResultArgs);
				}
			}

			
			for (int i = 0; i < numBodies; i++)
			{
				int bodyUniqueId = bodyIdArray[i];

				m_data->m_tmpInfoRequestCommand.m_type = CMD_REQUEST_BODY_INFO;
				m_data->m_tmpInfoRequestCommand.m_sdfRequestInfoArgs.m_bodyUniqueId = bodyUniqueId;

				bool hasStatus = m_data->m_commandProcessor->processCommand(m_data->m_tmpInfoRequestCommand, m_data->m_tmpInfoStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

				b3Clock clock;
				double startTime = clock.getTimeInSeconds();
				double timeOutInSeconds = m_data->m_timeOutInSeconds;
				while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
				{
					hasStatus = m_data->m_commandProcessor->receiveStatus(m_data->m_tmpInfoStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
				}

				if (hasStatus)
				{
					processBodyJointInfo(bodyUniqueId, m_data->m_tmpInfoStatus);
				}
			}
			break;
		}
		case CMD_CREATE_MULTI_BODY_COMPLETED:
		case CMD_URDF_LOADING_COMPLETED:
		{
			if (serverCmd.m_numDataStreamBytes > 0)
			{
				int bodyIndex = serverCmd.m_dataStreamArguments.m_bodyUniqueId;
				processBodyJointInfo(bodyIndex, serverCmd);
			}
			break;
		}
		case CMD_BULLET_LOADING_FAILED:
		{
			b3Warning("Couldn't load .bullet file");
			break;
		}
		case CMD_BULLET_LOADING_COMPLETED:
		{
			break;
		}

		case CMD_REQUEST_OPENGL_VISUALIZER_CAMERA_COMPLETED:
		{
			break;
		}

		case CMD_REQUEST_OPENGL_VISUALIZER_CAMERA_FAILED:
		{
			//b3Warning("requestOpenGLVisualizeCamera failed");
			break;
		}
		case CMD_REMOVE_USER_CONSTRAINT_FAILED:
		{
			b3Warning("removeConstraint failed");
			break;
		}
		case CMD_CHANGE_USER_CONSTRAINT_FAILED:
		{
			//b3Warning("changeConstraint failed");
			break;
		}

		case CMD_USER_CONSTRAINT_FAILED:
		{
			b3Warning("createConstraint failed");
			break;
		}

		case CMD_CREATE_COLLISION_SHAPE_FAILED:
		{
			b3Warning("createCollisionShape failed");
			break;
		}
		case CMD_CREATE_COLLISION_SHAPE_COMPLETED:
		{
			break;
		}

		case CMD_CREATE_VISUAL_SHAPE_FAILED:
		{
			b3Warning("createVisualShape failed");
			break;
		}

		case CMD_CREATE_VISUAL_SHAPE_COMPLETED:
		{
			break;
		}

		case CMD_CREATE_MULTI_BODY_FAILED:
		{
			b3Warning("createMultiBody failed");
			break;
		}
		case CMD_REQUEST_COLLISION_INFO_COMPLETED:
		{
			break;
		}
		case CMD_REQUEST_COLLISION_INFO_FAILED:
		{
			b3Warning("Request getCollisionInfo failed");
			break;
		}
	  case CMD_REQUEST_MESH_DATA_COMPLETED:
		{
			break;
		}
		case CMD_REQUEST_MESH_DATA_FAILED:
		{
			b3Warning("Request mesh data failed");
			break;
		}
		
		case CMD_CUSTOM_COMMAND_FAILED:
		{
			b3Warning("custom plugin command failed");
			break;
		}
		case CMD_CLIENT_COMMAND_COMPLETED:
		{
			break;
		}
		case CMD_CALCULATED_JACOBIAN_COMPLETED:
		{
			break;
		}
		case CMD_CALCULATED_JACOBIAN_FAILED:
		{
			b3Warning("jacobian calculation failed");
			break;
		}
		case CMD_CALCULATED_MASS_MATRIX_FAILED:
		{
			b3Warning("calculate mass matrix failed");
			break;
		}
		case CMD_CALCULATED_MASS_MATRIX_COMPLETED:
		{
			double* matrixData = (double*)&m_data->m_bulletStreamDataServerToClient[0];
			m_data->m_cachedMassMatrix.resize(serverCmd.m_massMatrixResultArgs.m_dofCount * serverCmd.m_massMatrixResultArgs.m_dofCount);
			for (int i = 0; i < serverCmd.m_massMatrixResultArgs.m_dofCount * serverCmd.m_massMatrixResultArgs.m_dofCount; i++)
			{
				m_data->m_cachedMassMatrix[i] = matrixData[i];
			}
			break;
		}
		case CMD_ACTUAL_STATE_UPDATE_COMPLETED:
		{
			SendActualStateSharedMemoryStorage* serverState = (SendActualStateSharedMemoryStorage*)&m_data->m_bulletStreamDataServerToClient[0];
			m_data->m_cachedState = *serverState;
			m_data->m_serverStatus.m_sendActualStateArgs.m_stateDetails = &m_data->m_cachedState;
			break;
		}
		case CMD_DESIRED_STATE_RECEIVED_COMPLETED:
		{
			break;
		}
		case CMD_STEP_FORWARD_SIMULATION_COMPLETED:
		{
			break;
		}
		case CMD_PERFORM_COLLISION_DETECTION_COMPLETED:
		{
			break;
		}
		case CMD_REQUEST_PHYSICS_SIMULATION_PARAMETERS_COMPLETED:
		{
			break;
		}
		case CMD_SAVE_STATE_COMPLETED:
		{
			break;
		}
		case CMD_COLLISION_SHAPE_INFO_FAILED:
		{
			b3Warning("getCollisionShapeData failed");
			break;
		}
		case CMD_COLLISION_SHAPE_INFO_COMPLETED:
		{
			B3_PROFILE("CMD_COLLISION_SHAPE_INFO_COMPLETED");
			if (m_data->m_verboseOutput)
			{
				b3Printf("Collision Shape Information Request OK\n");
			}
			int numCollisionShapesCopied = serverCmd.m_sendCollisionShapeArgs.m_numCollisionShapes;
			m_data->m_cachedCollisionShapes.resize(numCollisionShapesCopied);
			b3CollisionShapeData* shapeData = (b3CollisionShapeData*)&m_data->m_bulletStreamDataServerToClient[0];
			for (int i = 0; i < numCollisionShapesCopied; i++)
			{
				m_data->m_cachedCollisionShapes[i] = shapeData[i];
			}
			break;
		}
		case CMD_RESTORE_STATE_FAILED:
		{
			b3Warning("restoreState failed");
			break;
		}
		case CMD_RESTORE_STATE_COMPLETED:
		{
			break;
		}
		case CMD_BULLET_SAVING_COMPLETED:
		{
			break;
		}
		case CMD_LOAD_SOFT_BODY_FAILED:
		{
			b3Warning("loadSoftBody failed");
			break;
		}
		case CMD_LOAD_SOFT_BODY_COMPLETED:
		{
                       int bodyUniqueId = serverCmd.m_loadSoftBodyResultArguments.m_objectUniqueId;
                       BodyJointInfoCache2* bodyJoints = new BodyJointInfoCache2;
                       m_data->m_bodyJointMap.insert(bodyUniqueId, bodyJoints);
                       bodyJoints->m_bodyName = serverCmd.m_dataStreamArguments.m_bodyName;
                       bodyJoints->m_baseName = serverCmd.m_dataStreamArguments.m_bodyName;
                       break;
		}
		case CMD_SYNC_USER_DATA_FAILED:
		{
			b3Warning("Synchronizing user data failed.");
			break;
		}
		case CMD_ADD_USER_DATA_FAILED:
		{
			b3Warning("Adding user data failed (do the specified body and link exist?)");
			break;
		}
		case CMD_REMOVE_USER_DATA_FAILED:
		{
			b3Warning("Removing user data failed");
			break;
		}
		case CMD_ADD_USER_DATA_COMPLETED:
		{
			processAddUserData(serverCmd);
			break;
		}
		case CMD_SYNC_USER_DATA_COMPLETED:
		{
			B3_PROFILE("CMD_SYNC_USER_DATA_COMPLETED");
			if (serverCmd.m_syncUserDataArgs.m_clearCachedUserDataEntries) {
				// Remove all cached user data entries.
				m_data->m_userDataMap.clear();
				m_data->m_userDataHandleLookup.clear();
				for (int i = 0; i < m_data->m_bodyJointMap.size(); i++)
				{
					BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap.getAtIndex(i);
					if (bodyJointsPtr && *bodyJointsPtr)
					{
						(*bodyJointsPtr)->m_userDataIds.clear();
					}
				}
			}
			const int numIdentifiers = serverCmd.m_syncUserDataArgs.m_numUserDataIdentifiers;
			int* identifiers = new int[numIdentifiers];
			memcpy(identifiers, &m_data->m_bulletStreamDataServerToClient[0], numIdentifiers * sizeof(int));

			for (int i = 0; i < numIdentifiers; i++)
			{
				m_data->m_tmpInfoRequestCommand.m_type = CMD_REQUEST_USER_DATA;
				m_data->m_tmpInfoRequestCommand.m_userDataRequestArgs.m_userDataId = identifiers[i];

				bool hasStatus = m_data->m_commandProcessor->processCommand(m_data->m_tmpInfoRequestCommand, m_data->m_tmpInfoStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

				b3Clock clock;
				double startTime = clock.getTimeInSeconds();
				double timeOutInSeconds = m_data->m_timeOutInSeconds;

				while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
				{
					hasStatus = m_data->m_commandProcessor->receiveStatus(m_data->m_tmpInfoStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
				}

				if (hasStatus)
				{
					processAddUserData(m_data->m_tmpInfoStatus);
				}
			}
			delete[] identifiers;
			break;
		}
		case CMD_REMOVE_USER_DATA_COMPLETED:
		{
			const int userDataId = serverCmd.m_removeUserDataResponseArgs.m_userDataId;
			SharedMemoryUserData* userData = m_data->m_userDataMap[userDataId];
			if (userData)
			{
				BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[userData->m_bodyUniqueId];
				if (bodyJointsPtr && *bodyJointsPtr)
				{
					(*bodyJointsPtr)->m_userDataIds.remove(userDataId);
				}
				m_data->m_userDataHandleLookup.remove(SharedMemoryUserDataHashKey(userData));
				m_data->m_userDataMap.remove(userDataId);
			}
			break;
		}
		case CMD_REMOVE_STATE_FAILED:
		{
			break;
		}
		case CMD_REMOVE_STATE_COMPLETED:
		{
			break;
		}
		case CMD_CUSTOM_COMMAND_COMPLETED:
		{
			break;
		}
		default:
		{
			//b3Warning("Unknown server status type");
		}

	};
}


bool PhysicsDirect::processCustomCommand(const struct SharedMemoryCommand& orgCommand)
{
	SharedMemoryCommand command = orgCommand;

	const SharedMemoryStatus& serverCmd = m_data->m_serverStatus;

	int remaining = 0;
	do
	{
		bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);

		b3Clock clock;
		double startTime = clock.getTimeInSeconds();
		double timeOutInSeconds = m_data->m_timeOutInSeconds;

		while ((!hasStatus) && (clock.getTimeInSeconds() - startTime < timeOutInSeconds))
		{
			const SharedMemoryStatus* stat = processServerStatus();
			if (stat)
			{
				hasStatus = true;
			}
		}

		m_data->m_hasStatus = hasStatus;

		if (hasStatus)
		{
			
			if (m_data->m_verboseOutput)
			{
				b3Printf("Success receiving %d return data\n",
					serverCmd.m_numDataStreamBytes);
			}

			
			btAssert(m_data->m_serverStatus.m_type == CMD_CUSTOM_COMMAND_COMPLETED);

			if (m_data->m_serverStatus.m_type == CMD_CUSTOM_COMMAND_COMPLETED)
			{
				m_data->m_cachedReturnData.resize(serverCmd.m_customCommandResultArgs.m_returnDataSizeInBytes);
				m_data->m_cachedReturnDataValue.m_length = serverCmd.m_customCommandResultArgs.m_returnDataSizeInBytes;

				if (serverCmd.m_customCommandResultArgs.m_returnDataSizeInBytes)
				{
					m_data->m_cachedReturnDataValue.m_type = serverCmd.m_customCommandResultArgs.m_returnDataType;
					m_data->m_cachedReturnDataValue.m_data1 = &m_data->m_cachedReturnData[0];
					for (int i = 0; i < serverCmd.m_numDataStreamBytes; i++)
					{
						m_data->m_cachedReturnData[i+ serverCmd.m_customCommandResultArgs.m_returnDataStart] = m_data->m_bulletStreamDataServerToClient[i];
					}
				}
				int totalReceived = serverCmd.m_numDataStreamBytes + serverCmd.m_customCommandResultArgs.m_returnDataStart;
				remaining = serverCmd.m_customCommandResultArgs.m_returnDataSizeInBytes - totalReceived;

				if (remaining > 0)
				{
					m_data->m_hasStatus = false;
					command.m_type = CMD_CUSTOM_COMMAND;
					command.m_customCommandArgs.m_startingReturnBytes =
						totalReceived;
				}
			}
		}

	} while (remaining > 0);

	return m_data->m_hasStatus;
}

bool PhysicsDirect::submitClientCommand(const struct SharedMemoryCommand& command)
{
	if (command.m_type == CMD_CUSTOM_COMMAND)
	{
		return processCustomCommand(command);
	}
	if (command.m_type == CMD_REQUEST_DEBUG_LINES)
	{
		return processDebugLines(command);
	}

	if (command.m_type == CMD_REQUEST_CAMERA_IMAGE_DATA)
	{
		return processCamera(command);
	}
	if (command.m_type == CMD_REQUEST_CONTACT_POINT_INFORMATION)
	{
		return processContactPointData(command);
	}

	if (command.m_type == CMD_REQUEST_VISUAL_SHAPE_INFO)
	{
		return processVisualShapeData(command);
	}
	if (command.m_type == CMD_REQUEST_AABB_OVERLAP)
	{
		return processOverlappingObjects(command);
	}

  if (command.m_type == CMD_REQUEST_MESH_DATA)
	{
		return processMeshData(command);
	}

	bool hasStatus = m_data->m_commandProcessor->processCommand(command, m_data->m_serverStatus, &m_data->m_bulletStreamDataServerToClient[0], SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
	m_data->m_hasStatus = hasStatus;

	if (m_data->m_ownsCommandProcessor)
	{
		m_data->m_commandProcessor->reportNotifications();
	}
	/*if (hasStatus)
	{
		postProcessStatus(m_data->m_serverStatus);
		m_data->m_hasStatus = false;
	}
	*/
	return hasStatus;
}

int PhysicsDirect::getNumBodies() const
{
	return m_data->m_bodyJointMap.size();
}

void PhysicsDirect::removeCachedBody(int bodyUniqueId)
{
	BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[bodyUniqueId];
	if (bodyJointsPtr && *bodyJointsPtr)
	{
		for (int i = 0; i < (*bodyJointsPtr)->m_userDataIds.size(); i++)
		{
			const int userDataId = (*bodyJointsPtr)->m_userDataIds[i];
			SharedMemoryUserData* userData = m_data->m_userDataMap[userDataId];
			m_data->m_userDataHandleLookup.remove(SharedMemoryUserDataHashKey(userData));
			m_data->m_userDataMap.remove(userDataId);
		}
		delete (*bodyJointsPtr);
		m_data->m_bodyJointMap.remove(bodyUniqueId);
	}
}

int PhysicsDirect::getNumUserConstraints() const
{
	return m_data->m_userConstraintInfoMap.size();
}

int PhysicsDirect::getUserConstraintInfo(int constraintUniqueId, struct b3UserConstraint& info) const
{
	b3UserConstraint* constraintPtr = m_data->m_userConstraintInfoMap[constraintUniqueId];
	if (constraintPtr)
	{
		info = *constraintPtr;
		return 1;
	}
	return 0;
}

int PhysicsDirect::getUserConstraintId(int serialIndex) const
{
	if ((serialIndex >= 0) && (serialIndex < getNumUserConstraints()))
	{
		return m_data->m_userConstraintInfoMap.getKeyAtIndex(serialIndex).getUid1();
	}
	return -1;
}

int PhysicsDirect::getBodyUniqueId(int serialIndex) const
{
	if ((serialIndex >= 0) && (serialIndex < getNumBodies()))
	{
		return m_data->m_bodyJointMap.getKeyAtIndex(serialIndex).getUid1();
	}
	return -1;
}

bool PhysicsDirect::getBodyInfo(int bodyUniqueId, struct b3BodyInfo& info) const
{
	BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[bodyUniqueId];
	if (bodyJointsPtr && *bodyJointsPtr)
	{
		BodyJointInfoCache2* bodyJoints = *bodyJointsPtr;
		strcpy(info.m_baseName, bodyJoints->m_baseName.c_str());
		strcpy(info.m_bodyName, bodyJoints->m_bodyName.c_str());
		return true;
	}

	return false;
}

int PhysicsDirect::getNumJoints(int bodyUniqueId) const
{
	BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[bodyUniqueId];
	if (bodyJointsPtr && *bodyJointsPtr)
	{
		BodyJointInfoCache2* bodyJoints = *bodyJointsPtr;
		return bodyJoints->m_jointInfo.size();
	}
	btAssert(0);
	return 0;
}

int PhysicsDirect::getNumDofs(int bodyUniqueId) const
{
        BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[bodyUniqueId];
        if (bodyJointsPtr && *bodyJointsPtr)
        {
                BodyJointInfoCache2* bodyJoints = *bodyJointsPtr;
                return bodyJoints->m_numDofs;
        }
        btAssert(0);
        return 0;
}

bool PhysicsDirect::getJointInfo(int bodyIndex, int jointIndex, struct b3JointInfo& info) const
{
	BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[bodyIndex];
	if (bodyJointsPtr && *bodyJointsPtr)
	{
		BodyJointInfoCache2* bodyJoints = *bodyJointsPtr;
		if ((jointIndex >= 0) && (jointIndex < bodyJoints->m_jointInfo.size()))
		{
			info = bodyJoints->m_jointInfo[jointIndex];
			info.m_qSize = 0;
			info.m_uSize = 0;
			
			switch (info.m_jointType)
			{
				case eSphericalType:
				{
					info.m_qSize = 4;//quaterion x,y,z,w
					info.m_uSize = 3;
					break;
				}
				case ePlanarType:
				{
					info.m_qSize = 2;
					info.m_uSize = 2;
					break;
				}
				case ePrismaticType:
				case eRevoluteType:
				{
					info.m_qSize = 1;
					info.m_uSize = 1;
					break;
				}

				default:
				{
				}
			}


			return true;
		}
	}
	return false;
}

void PhysicsDirect::setSharedMemoryKey(int key)
{
}

void PhysicsDirect::uploadBulletFileToSharedMemory(const char* data, int len)
{
	if (len > SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE)
	{
		len = SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE;
	}
	for (int i = 0; i < len; i++)
	{
		m_data->m_bulletStreamDataServerToClient[i] = data[i];
	}
	//m_data->m_physicsClient->uploadBulletFileToSharedMemory(data,len);
}

void PhysicsDirect::uploadRaysToSharedMemory(struct SharedMemoryCommand& command, const double* rayFromWorldArray, const double* rayToWorldArray, int numRays)
{
	int curNumStreamingRays = command.m_requestRaycastIntersections.m_numStreamingRays;
	int newNumRays = curNumStreamingRays + numRays;
	btAssert(newNumRays < MAX_RAY_INTERSECTION_BATCH_SIZE_STREAMING);

	if (newNumRays < MAX_RAY_INTERSECTION_BATCH_SIZE_STREAMING)
	{
		for (int i = 0; i < numRays; i++)
		{
			b3RayData* rayDataStream = (b3RayData*)m_data->m_bulletStreamDataServerToClient;
			rayDataStream[curNumStreamingRays + i].m_rayFromPosition[0] = rayFromWorldArray[i * 3 + 0];
			rayDataStream[curNumStreamingRays + i].m_rayFromPosition[1] = rayFromWorldArray[i * 3 + 1];
			rayDataStream[curNumStreamingRays + i].m_rayFromPosition[2] = rayFromWorldArray[i * 3 + 2];
			rayDataStream[curNumStreamingRays + i].m_rayToPosition[0] = rayToWorldArray[i * 3 + 0];
			rayDataStream[curNumStreamingRays + i].m_rayToPosition[1] = rayToWorldArray[i * 3 + 1];
			rayDataStream[curNumStreamingRays + i].m_rayToPosition[2] = rayToWorldArray[i * 3 + 2];
			command.m_requestRaycastIntersections.m_numStreamingRays++;
		}
	}
}

int PhysicsDirect::getNumDebugLines() const
{
	return m_data->m_debugLinesFrom.size();
}

const float* PhysicsDirect::getDebugLinesFrom() const
{
	if (getNumDebugLines())
	{
		return &m_data->m_debugLinesFrom[0].m_x;
	}
	return 0;
}
const float* PhysicsDirect::getDebugLinesTo() const
{
	if (getNumDebugLines())
	{
		return &m_data->m_debugLinesTo[0].m_x;
	}
	return 0;
}
const float* PhysicsDirect::getDebugLinesColor() const
{
	if (getNumDebugLines())
	{
		return &m_data->m_debugLinesColor[0].m_x;
	}
	return 0;
}

void PhysicsDirect::getCachedCameraImage(b3CameraImageData* cameraData)
{
	if (cameraData)
	{
		cameraData->m_pixelWidth = m_data->m_cachedCameraPixelsWidth;
		cameraData->m_pixelHeight = m_data->m_cachedCameraPixelsHeight;
		cameraData->m_depthValues = m_data->m_cachedCameraDepthBuffer.size() ? &m_data->m_cachedCameraDepthBuffer[0] : 0;
		cameraData->m_rgbColorData = m_data->m_cachedCameraPixelsRGBA.size() ? &m_data->m_cachedCameraPixelsRGBA[0] : 0;
		cameraData->m_segmentationMaskValues = m_data->m_cachedSegmentationMask.size() ? &m_data->m_cachedSegmentationMask[0] : 0;
	}
}

void PhysicsDirect::getCachedMeshData(struct b3MeshData* meshData)
{
	m_data->m_cachedMeshData.m_numVertices = m_data->m_cachedVertexPositions.size();

	m_data->m_cachedMeshData.m_vertices = m_data->m_cachedMeshData.m_numVertices ? &m_data->m_cachedVertexPositions[0] : 0;

	*meshData = m_data->m_cachedMeshData;
}

void PhysicsDirect::getCachedContactPointInformation(struct b3ContactInformation* contactPointData)
{
	contactPointData->m_numContactPoints = m_data->m_cachedContactPoints.size();
	contactPointData->m_contactPointData = contactPointData->m_numContactPoints ? &m_data->m_cachedContactPoints[0] : 0;
}

void PhysicsDirect::getCachedOverlappingObjects(struct b3AABBOverlapData* overlappingObjects)
{
	overlappingObjects->m_numOverlappingObjects = m_data->m_cachedOverlappingObjects.size();
	overlappingObjects->m_overlappingObjects = m_data->m_cachedOverlappingObjects.size() ? &m_data->m_cachedOverlappingObjects[0] : 0;
}

void PhysicsDirect::getCachedVisualShapeInformation(struct b3VisualShapeInformation* visualShapesInfo)
{
	visualShapesInfo->m_numVisualShapes = m_data->m_cachedVisualShapes.size();
	visualShapesInfo->m_visualShapeData = visualShapesInfo->m_numVisualShapes ? &m_data->m_cachedVisualShapes[0] : 0;
}

void PhysicsDirect::getCachedCollisionShapeInformation(struct b3CollisionShapeInformation* collisionShapesInfo)
{
	collisionShapesInfo->m_numCollisionShapes = m_data->m_cachedCollisionShapes.size();
	collisionShapesInfo->m_collisionShapeData = collisionShapesInfo->m_numCollisionShapes ? &m_data->m_cachedCollisionShapes[0] : 0;
}

void PhysicsDirect::getCachedVREvents(struct b3VREventsData* vrEventsData)
{
	vrEventsData->m_numControllerEvents = m_data->m_cachedVREvents.size();
	vrEventsData->m_controllerEvents = vrEventsData->m_numControllerEvents ? &m_data->m_cachedVREvents[0] : 0;
}

void PhysicsDirect::getCachedKeyboardEvents(struct b3KeyboardEventsData* keyboardEventsData)
{
	keyboardEventsData->m_numKeyboardEvents = m_data->m_cachedKeyboardEvents.size();
	keyboardEventsData->m_keyboardEvents = keyboardEventsData->m_numKeyboardEvents ? &m_data->m_cachedKeyboardEvents[0] : 0;
}

void PhysicsDirect::getCachedMouseEvents(struct b3MouseEventsData* mouseEventsData)
{
	mouseEventsData->m_numMouseEvents = m_data->m_cachedMouseEvents.size();
	mouseEventsData->m_mouseEvents = mouseEventsData->m_numMouseEvents ? &m_data->m_cachedMouseEvents[0] : 0;
}

void PhysicsDirect::getCachedRaycastHits(struct b3RaycastInformation* raycastHits)
{
	raycastHits->m_numRayHits = m_data->m_raycastHits.size();
	raycastHits->m_rayHits = raycastHits->m_numRayHits ? &m_data->m_raycastHits[0] : 0;
}

void PhysicsDirect::getCachedMassMatrix(int dofCountCheck, double* massMatrix)
{
	int sz = dofCountCheck * dofCountCheck;
	if (sz == m_data->m_cachedMassMatrix.size())
	{
		for (int i = 0; i < sz; i++)
		{
			massMatrix[i] = m_data->m_cachedMassMatrix[i];
		}
	}
}

bool PhysicsDirect::getCachedReturnData(b3UserDataValue* returnData)
{
	if (m_data->m_cachedReturnDataValue.m_length)
	{
		*returnData = m_data->m_cachedReturnDataValue;
		return true;
	}
	return false;
}

void PhysicsDirect::setTimeOut(double timeOutInSeconds)
{
	m_data->m_timeOutInSeconds = timeOutInSeconds;
}

double PhysicsDirect::getTimeOut() const
{
	return m_data->m_timeOutInSeconds;
}

bool PhysicsDirect::getCachedUserData(int userDataId, struct b3UserDataValue& valueOut) const
{
	SharedMemoryUserData* userDataPtr = m_data->m_userDataMap[userDataId];
	if (!userDataPtr)
	{
		return false;
	}
	valueOut.m_type = (userDataPtr)->m_type;
	valueOut.m_length = userDataPtr->m_bytes.size();
	valueOut.m_data1 = userDataPtr->m_bytes.size() ? &userDataPtr->m_bytes[0] : 0;
	return true;
}

int PhysicsDirect::getCachedUserDataId(int bodyUniqueId, int linkIndex, int visualShapeIndex, const char* key) const
{
	int* userDataId = m_data->m_userDataHandleLookup.find(SharedMemoryUserDataHashKey(key, bodyUniqueId, linkIndex, visualShapeIndex));
	if (!userDataId)
	{
		return -1;
	}
	return *userDataId;
}

int PhysicsDirect::getNumUserData(int bodyUniqueId) const
{
	BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[bodyUniqueId];
	if (!bodyJointsPtr || !(*bodyJointsPtr))
	{
		return 0;
	}
	return (*bodyJointsPtr)->m_userDataIds.size();
}

void PhysicsDirect::getUserDataInfo(int bodyUniqueId, int userDataIndex, const char** keyOut, int* userDataIdOut, int* linkIndexOut, int* visualShapeIndexOut) const
{
	BodyJointInfoCache2** bodyJointsPtr = m_data->m_bodyJointMap[bodyUniqueId];
	if (!bodyJointsPtr || !(*bodyJointsPtr) || userDataIndex < 0 || userDataIndex > (*bodyJointsPtr)->m_userDataIds.size())
	{
		*keyOut = 0;
		*userDataIdOut = -1;
		return;
	}
	int userDataId = (*bodyJointsPtr)->m_userDataIds[userDataIndex];
	SharedMemoryUserData* userData = m_data->m_userDataMap[userDataId];

	*userDataIdOut = userDataId;
	*keyOut = userData->m_key.c_str();
	*linkIndexOut = userData->m_linkIndex;
	*visualShapeIndexOut = userData->m_visualShapeIndex;
}

void PhysicsDirect::pushProfileTiming(const char* timingName)
{
	std::string** strPtr = m_data->m_profileTimingStringArray[timingName];
	std::string* str = 0;
	if (strPtr)
	{
		str = *strPtr;
	}
	else
	{
		str = new std::string(timingName);
		m_data->m_profileTimingStringArray.insert(timingName, str);
	}
	m_data->m_profileTimings.push_back(new CProfileSample(str->c_str()));
}

void PhysicsDirect::popProfileTiming()
{
	if (m_data->m_profileTimings.size())
	{
		CProfileSample* sample = m_data->m_profileTimings[m_data->m_profileTimings.size() - 1];
		m_data->m_profileTimings.pop_back();
		delete sample;
	}
}