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#include "PhysicsServerSharedMemory.h"
#include "PosixSharedMemory.h"
#include "Win32SharedMemory.h"
#include "../CommonInterfaces/CommonRenderInterface.h"
#include "btBulletDynamicsCommon.h"
#include "LinearMath/btTransform.h"
#include "Bullet3Common/b3Logging.h"
#include "../CommonInterfaces/CommonGUIHelperInterface.h"
#include "SharedMemoryBlock.h"
#include "PhysicsServerCommandProcessor.h"
struct PhysicsServerSharedMemoryInternalData
{
///end handle management
SharedMemoryInterface* m_sharedMemory;
SharedMemoryBlock* m_testBlock1;
int m_sharedMemoryKey;
bool m_isConnected;
bool m_verboseOutput;
PhysicsServerCommandProcessor* m_commandProcessor;
PhysicsServerSharedMemoryInternalData()
:m_sharedMemory(0),
m_testBlock1(0),
m_sharedMemoryKey(SHARED_MEMORY_KEY),
m_isConnected(false),
m_verboseOutput(false),
m_commandProcessor(0)
{
}
SharedMemoryStatus& createServerStatus(int statusType, int sequenceNumber, int timeStamp)
{
SharedMemoryStatus& serverCmd =m_testBlock1->m_serverCommands[0];
serverCmd .m_type = statusType;
serverCmd.m_sequenceNumber = sequenceNumber;
serverCmd.m_timeStamp = timeStamp;
return serverCmd;
}
void submitServerStatus(SharedMemoryStatus& status)
{
m_testBlock1->m_numServerCommands++;
}
};
PhysicsServerSharedMemory::PhysicsServerSharedMemory()
{
m_data = new PhysicsServerSharedMemoryInternalData();
#ifdef _WIN32
m_data->m_sharedMemory = new Win32SharedMemoryServer();
#else
m_data->m_sharedMemory = new PosixSharedMemory();
#endif
m_data->m_commandProcessor = new PhysicsServerCommandProcessor;
m_data->m_commandProcessor ->createEmptyDynamicsWorld();
}
PhysicsServerSharedMemory::~PhysicsServerSharedMemory()
{
m_data->m_commandProcessor->deleteDynamicsWorld();
delete m_data->m_commandProcessor;
delete m_data;
}
void PhysicsServerSharedMemory::setSharedMemoryKey(int key)
{
m_data->m_sharedMemoryKey = key;
}
bool PhysicsServerSharedMemory::connectSharedMemory( struct GUIHelperInterface* guiHelper)
{
m_data->m_commandProcessor->setGuiHelper(guiHelper);
bool allowCreation = true;
if (m_data->m_isConnected)
{
b3Warning("connectSharedMemory, while already connected");
return m_data->m_isConnected;
}
int counter = 0;
do
{
m_data->m_testBlock1 = (SharedMemoryBlock*)m_data->m_sharedMemory->allocateSharedMemory(m_data->m_sharedMemoryKey, SHARED_MEMORY_SIZE,allowCreation);
if (m_data->m_testBlock1)
{
int magicId =m_data->m_testBlock1->m_magicId;
if (m_data->m_verboseOutput)
{
b3Printf("magicId = %d\n", magicId);
}
if (m_data->m_testBlock1->m_magicId !=SHARED_MEMORY_MAGIC_NUMBER)
{
InitSharedMemoryBlock(m_data->m_testBlock1);
if (m_data->m_verboseOutput)
{
b3Printf("Created and initialized shared memory block\n");
}
m_data->m_isConnected = true;
} else
{
m_data->m_sharedMemory->releaseSharedMemory(m_data->m_sharedMemoryKey, SHARED_MEMORY_SIZE);
m_data->m_testBlock1 = 0;
m_data->m_isConnected = false;
}
} else
{
b3Error("Cannot connect to shared memory");
m_data->m_isConnected = false;
}
} while (counter++ < 10 && !m_data->m_isConnected);
if (!m_data->m_isConnected)
{
b3Error("Server cannot connect to shared memory.\n");
}
return m_data->m_isConnected;
}
void PhysicsServerSharedMemory::disconnectSharedMemory(bool deInitializeSharedMemory)
{
m_data->m_commandProcessor->setGuiHelper(0);
if (m_data->m_verboseOutput)
{
b3Printf("releaseSharedMemory1\n");
}
if (m_data->m_testBlock1)
{
if (m_data->m_verboseOutput)
{
b3Printf("m_testBlock1\n");
}
if (deInitializeSharedMemory)
{
m_data->m_testBlock1->m_magicId = 0;
if (m_data->m_verboseOutput)
{
b3Printf("De-initialized shared memory, magic id = %d\n",m_data->m_testBlock1->m_magicId);
}
}
btAssert(m_data->m_sharedMemory);
m_data->m_sharedMemory->releaseSharedMemory(m_data->m_sharedMemoryKey, SHARED_MEMORY_SIZE);
}
if (m_data->m_sharedMemory)
{
if (m_data->m_verboseOutput)
{
b3Printf("m_sharedMemory\n");
}
delete m_data->m_sharedMemory;
m_data->m_sharedMemory = 0;
m_data->m_testBlock1 = 0;
}
}
void PhysicsServerSharedMemory::releaseSharedMemory()
{
if (m_data->m_verboseOutput)
{
b3Printf("releaseSharedMemory1\n");
}
if (m_data->m_testBlock1)
{
if (m_data->m_verboseOutput)
{
b3Printf("m_testBlock1\n");
}
m_data->m_testBlock1->m_magicId = 0;
if (m_data->m_verboseOutput)
{
b3Printf("magic id = %d\n",m_data->m_testBlock1->m_magicId);
}
btAssert(m_data->m_sharedMemory);
m_data->m_sharedMemory->releaseSharedMemory( m_data->m_sharedMemoryKey
, SHARED_MEMORY_SIZE);
}
if (m_data->m_sharedMemory)
{
if (m_data->m_verboseOutput)
{
b3Printf("m_sharedMemory\n");
}
delete m_data->m_sharedMemory;
m_data->m_sharedMemory = 0;
m_data->m_testBlock1 = 0;
}
}
void PhysicsServerSharedMemory::processClientCommands()
{
if (m_data->m_isConnected && m_data->m_testBlock1)
{
#if 0
m_data->m_commandProcessor->processLogCommand();
if (m_data->m_logPlayback)
{
if (m_data->m_testBlock1->m_numServerCommands>m_data->m_testBlock1->m_numProcessedServerCommands)
{
m_data->m_testBlock1->m_numProcessedServerCommands++;
}
//push a command from log file
bool hasCommand = m_data->m_logPlayback->processNextCommand(&m_data->m_testBlock1->m_clientCommands[0]);
if (hasCommand)
{
m_data->m_testBlock1->m_numClientCommands++;
}
}
#endif
///we ignore overflow of integer for now
if (m_data->m_testBlock1->m_numClientCommands> m_data->m_testBlock1->m_numProcessedClientCommands)
{
//until we implement a proper ring buffer, we assume always maximum of 1 outstanding commands
btAssert(m_data->m_testBlock1->m_numClientCommands==m_data->m_testBlock1->m_numProcessedClientCommands+1);
const SharedMemoryCommand& clientCmd =m_data->m_testBlock1->m_clientCommands[0];
m_data->m_testBlock1->m_numProcessedClientCommands++;
//todo, timeStamp
int timeStamp = 0;
SharedMemoryStatus& serverStatusOut = m_data->createServerStatus(CMD_BULLET_DATA_STREAM_RECEIVED_COMPLETED,clientCmd.m_sequenceNumber,timeStamp);
bool hasStatus = m_data->m_commandProcessor->processCommand(clientCmd, serverStatusOut,&m_data->m_testBlock1->m_bulletStreamDataServerToClientRefactor[0],SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
if (hasStatus)
{
m_data->submitServerStatus(serverStatusOut);
}
}
}
}
void PhysicsServerSharedMemory::renderScene()
{
m_data->m_commandProcessor->renderScene();
}
void PhysicsServerSharedMemory::physicsDebugDraw(int debugDrawFlags)
{
m_data->m_commandProcessor->physicsDebugDraw(debugDrawFlags);
}
bool PhysicsServerSharedMemory::pickBody(const btVector3& rayFromWorld, const btVector3& rayToWorld)
{
return m_data->m_commandProcessor->pickBody(rayFromWorld,rayToWorld);
}
bool PhysicsServerSharedMemory::movePickedBody(const btVector3& rayFromWorld, const btVector3& rayToWorld)
{
return m_data->m_commandProcessor->movePickedBody(rayFromWorld,rayToWorld);
}
void PhysicsServerSharedMemory::removePickingConstraint()
{
m_data->m_commandProcessor->removePickingConstraint();
}
void PhysicsServerSharedMemory::enableCommandLogging(bool enable, const char* fileName)
{
m_data->m_commandProcessor->enableCommandLogging(enable,fileName);
}
void PhysicsServerSharedMemory::replayFromLogFile(const char* fileName)
{
m_data->m_commandProcessor->replayFromLogFile(fileName);
}
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