mirror of
https://github.com/bulletphysics/bullet3
synced 2024-12-16 06:30:05 +00:00
343 lines
10 KiB
C++
343 lines
10 KiB
C++
#include "PhysicsServerSharedMemory.h"
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#include "PosixSharedMemory.h"
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#include "Win32SharedMemory.h"
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#include "../CommonInterfaces/CommonRenderInterface.h"
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#include "../CommonInterfaces/CommonExampleInterface.h"
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#include "btBulletDynamicsCommon.h"
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#include "LinearMath/btTransform.h"
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#include "Bullet3Common/b3Logging.h"
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#include "../CommonInterfaces/CommonGUIHelperInterface.h"
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#include "SharedMemoryBlock.h"
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#include "PhysicsCommandProcessorInterface.h"
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//number of shared memory blocks == number of simultaneous connections
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#define MAX_SHARED_MEMORY_BLOCKS 2
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struct PhysicsServerSharedMemoryInternalData
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{
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///end handle management
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SharedMemoryInterface* m_sharedMemory;
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bool m_ownsSharedMemory;
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SharedMemoryBlock* m_testBlocks[MAX_SHARED_MEMORY_BLOCKS];
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int m_sharedMemoryKey;
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bool m_areConnected[MAX_SHARED_MEMORY_BLOCKS];
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bool m_verboseOutput;
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CommandProcessorInterface* m_commandProcessor;
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CommandProcessorCreationInterface* m_commandProcessorCreator;
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PhysicsServerSharedMemoryInternalData()
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:m_sharedMemory(0),
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m_ownsSharedMemory(false),
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m_sharedMemoryKey(SHARED_MEMORY_KEY),
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m_verboseOutput(false),
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m_commandProcessor(0)
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{
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for (int i=0;i<MAX_SHARED_MEMORY_BLOCKS;i++)
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{
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m_testBlocks[i]=0;
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m_areConnected[i]=false;
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}
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}
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SharedMemoryStatus& createServerStatus(int statusType, int sequenceNumber, int timeStamp, int blockIndex)
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{
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SharedMemoryStatus& serverCmd =m_testBlocks[blockIndex]->m_serverCommands[0];
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serverCmd .m_type = statusType;
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serverCmd.m_sequenceNumber = sequenceNumber;
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serverCmd.m_timeStamp = timeStamp;
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return serverCmd;
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}
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void submitServerStatus(SharedMemoryStatus& status,int blockIndex)
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{
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m_testBlocks[blockIndex]->m_numServerCommands++;
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}
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};
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PhysicsServerSharedMemory::PhysicsServerSharedMemory(CommandProcessorCreationInterface* commandProcessorCreator, SharedMemoryInterface* sharedMem, int bla)
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{
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m_data = new PhysicsServerSharedMemoryInternalData();
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m_data->m_commandProcessorCreator = commandProcessorCreator;
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if (sharedMem)
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{
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m_data->m_sharedMemory = sharedMem;
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m_data->m_ownsSharedMemory = false;
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} else
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{
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#ifdef _WIN32
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m_data->m_sharedMemory = new Win32SharedMemoryServer();
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#else
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m_data->m_sharedMemory = new PosixSharedMemory();
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#endif
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m_data->m_ownsSharedMemory = true;
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}
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m_data->m_commandProcessor = commandProcessorCreator->createCommandProcessor();
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}
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PhysicsServerSharedMemory::~PhysicsServerSharedMemory()
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{
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if (m_data->m_sharedMemory)
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{
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if (m_data->m_verboseOutput)
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{
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b3Printf("m_sharedMemory\n");
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}
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if (m_data->m_ownsSharedMemory)
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{
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delete m_data->m_sharedMemory;
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}
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m_data->m_sharedMemory = 0;
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}
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m_data->m_commandProcessorCreator->deleteCommandProcessor(m_data->m_commandProcessor);
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delete m_data;
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}
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/*void PhysicsServerSharedMemory::resetDynamicsWorld()
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{
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m_data->m_commandProcessor->deleteDynamicsWorld();
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m_data->m_commandProcessor ->createEmptyDynamicsWorld();
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}
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*/
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void PhysicsServerSharedMemory::setSharedMemoryKey(int key)
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{
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m_data->m_sharedMemoryKey = key;
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}
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bool PhysicsServerSharedMemory::connectSharedMemory( struct GUIHelperInterface* guiHelper)
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{
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m_data->m_commandProcessor->setGuiHelper(guiHelper);
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bool allowCreation = true;
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bool allConnected = false;
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int numConnected = 0;
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int counter = 0;
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for (int block=0;block<MAX_SHARED_MEMORY_BLOCKS;block++)
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{
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if (m_data->m_areConnected[block])
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{
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allConnected = true;
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numConnected++;
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b3Warning("connectSharedMemory, while already connected");
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continue;
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}
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do
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{
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m_data->m_testBlocks[block] = (SharedMemoryBlock*)m_data->m_sharedMemory->allocateSharedMemory(m_data->m_sharedMemoryKey+block, SHARED_MEMORY_SIZE,allowCreation);
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if (m_data->m_testBlocks[block])
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{
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int magicId =m_data->m_testBlocks[block]->m_magicId;
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if (m_data->m_verboseOutput)
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{
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b3Printf("magicId = %d\n", magicId);
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}
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if (m_data->m_testBlocks[block]->m_magicId !=SHARED_MEMORY_MAGIC_NUMBER)
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{
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InitSharedMemoryBlock(m_data->m_testBlocks[block]);
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if (m_data->m_verboseOutput)
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{
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b3Printf("Created and initialized shared memory block\n");
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}
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m_data->m_areConnected[block] = true;
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numConnected++;
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} else
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{
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m_data->m_sharedMemory->releaseSharedMemory(m_data->m_sharedMemoryKey+block, SHARED_MEMORY_SIZE);
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m_data->m_testBlocks[block] = 0;
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m_data->m_areConnected[block] = false;
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}
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} else
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{
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b3Error("Cannot connect to shared memory");
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m_data->m_areConnected[block] = false;
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}
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} while (counter++ < 10 && !m_data->m_areConnected[block]);
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if (!m_data->m_areConnected[block])
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{
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b3Error("Server cannot connect to shared memory.\n");
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}
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}
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allConnected = (numConnected==MAX_SHARED_MEMORY_BLOCKS);
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return allConnected;
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}
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void PhysicsServerSharedMemory::disconnectSharedMemory(bool deInitializeSharedMemory)
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{
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//m_data->m_commandProcessor->deleteDynamicsWorld();
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m_data->m_commandProcessor->setGuiHelper(0);
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if (m_data->m_verboseOutput)
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{
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b3Printf("releaseSharedMemory1\n");
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}
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for (int block = 0;block<MAX_SHARED_MEMORY_BLOCKS;block++)
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{
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if (m_data->m_testBlocks[block])
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{
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if (m_data->m_verboseOutput)
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{
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b3Printf("m_testBlock1\n");
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}
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if (deInitializeSharedMemory)
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{
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m_data->m_testBlocks[block]->m_magicId = 0;
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if (m_data->m_verboseOutput)
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{
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b3Printf("De-initialized shared memory, magic id = %d\n",m_data->m_testBlocks[block]->m_magicId);
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}
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}
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btAssert(m_data->m_sharedMemory);
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m_data->m_sharedMemory->releaseSharedMemory(m_data->m_sharedMemoryKey+block, SHARED_MEMORY_SIZE);
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}
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m_data->m_testBlocks[block] = 0;
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m_data->m_areConnected[block] = false;
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}
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}
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void PhysicsServerSharedMemory::releaseSharedMemory()
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{
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disconnectSharedMemory(true);
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}
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void PhysicsServerSharedMemory::stepSimulationRealTime(double dtInSec, const struct b3VRControllerEvent* vrEvents, int numVREvents, const struct b3KeyboardEvent* keyEvents, int numKeyEvents, const struct b3MouseEvent* mouseEvents, int numMouseEvents)
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{
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m_data->m_commandProcessor->stepSimulationRealTime(dtInSec,vrEvents, numVREvents, keyEvents,numKeyEvents,mouseEvents, numMouseEvents);
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}
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void PhysicsServerSharedMemory::enableRealTimeSimulation(bool enableRealTimeSim)
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{
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m_data->m_commandProcessor->enableRealTimeSimulation(enableRealTimeSim);
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}
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bool PhysicsServerSharedMemory::isRealTimeSimulationEnabled() const
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{
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return m_data->m_commandProcessor->isRealTimeSimulationEnabled();
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}
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void PhysicsServerSharedMemory::processClientCommands()
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{
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for (int block = 0;block<MAX_SHARED_MEMORY_BLOCKS;block++)
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{
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if (m_data->m_areConnected[block] && m_data->m_testBlocks[block])
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{
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m_data->m_commandProcessor->replayLogCommand(&m_data->m_testBlocks[block]->m_bulletStreamDataServerToClientRefactor[0],SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
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///we ignore overflow of integer for now
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if (m_data->m_testBlocks[block]->m_numClientCommands> m_data->m_testBlocks[block]->m_numProcessedClientCommands)
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{
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//BT_PROFILE("processClientCommand");
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//until we implement a proper ring buffer, we assume always maximum of 1 outstanding commands
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btAssert(m_data->m_testBlocks[block]->m_numClientCommands==m_data->m_testBlocks[block]->m_numProcessedClientCommands+1);
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const SharedMemoryCommand& clientCmd =m_data->m_testBlocks[block]->m_clientCommands[0];
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m_data->m_testBlocks[block]->m_numProcessedClientCommands++;
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//todo, timeStamp
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int timeStamp = 0;
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SharedMemoryStatus& serverStatusOut = m_data->createServerStatus(CMD_BULLET_DATA_STREAM_RECEIVED_COMPLETED,clientCmd.m_sequenceNumber,timeStamp,block);
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bool hasStatus = m_data->m_commandProcessor->processCommand(clientCmd, serverStatusOut,&m_data->m_testBlocks[block]->m_bulletStreamDataServerToClientRefactor[0],SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
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if (hasStatus)
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{
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m_data->submitServerStatus(serverStatusOut,block);
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}
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}
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}
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}
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}
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void PhysicsServerSharedMemory::renderScene(int renderFlags)
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{
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m_data->m_commandProcessor->renderScene(renderFlags);
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}
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void PhysicsServerSharedMemory::syncPhysicsToGraphics()
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{
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m_data->m_commandProcessor->syncPhysicsToGraphics();
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}
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void PhysicsServerSharedMemory::physicsDebugDraw(int debugDrawFlags)
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{
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m_data->m_commandProcessor->physicsDebugDraw(debugDrawFlags);
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}
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bool PhysicsServerSharedMemory::pickBody(const btVector3& rayFromWorld, const btVector3& rayToWorld)
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{
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return m_data->m_commandProcessor->pickBody(rayFromWorld,rayToWorld);
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}
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bool PhysicsServerSharedMemory::movePickedBody(const btVector3& rayFromWorld, const btVector3& rayToWorld)
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{
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return m_data->m_commandProcessor->movePickedBody(rayFromWorld,rayToWorld);
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}
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void PhysicsServerSharedMemory::removePickingConstraint()
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{
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m_data->m_commandProcessor->removePickingConstraint();
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}
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void PhysicsServerSharedMemory::enableCommandLogging(bool enable, const char* fileName)
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{
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m_data->m_commandProcessor->enableCommandLogging(enable,fileName);
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}
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void PhysicsServerSharedMemory::replayFromLogFile(const char* fileName)
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{
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m_data->m_commandProcessor->replayFromLogFile(fileName);
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}
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const btVector3& PhysicsServerSharedMemory::getVRTeleportPosition() const
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{
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return m_data->m_commandProcessor->getVRTeleportPosition();
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}
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void PhysicsServerSharedMemory::setVRTeleportPosition(const btVector3& vrTeleportPos)
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{
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m_data->m_commandProcessor->setVRTeleportPosition(vrTeleportPos);
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}
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const btQuaternion& PhysicsServerSharedMemory::getVRTeleportOrientation() const
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{
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return m_data->m_commandProcessor->getVRTeleportOrientation();
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}
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void PhysicsServerSharedMemory::setVRTeleportOrientation(const btQuaternion& vrTeleportOrn)
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{
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m_data->m_commandProcessor->setVRTeleportOrientation(vrTeleportOrn);
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}
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