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Adding getTetraMeshData()

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This commit is contained in:
Maarten Behn
2022-12-19 15:31:21 +01:00
parent 60512c7872
commit 9dd446609a
3 changed files with 59 additions and 0 deletions
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53
examples/SharedMemory/PhysicsServerCommandProcessor.cpp
View File

@@ -5718,6 +5718,54 @@ bool PhysicsServerCommandProcessor::processRequestMeshDataCommand(const struct S
return hasStatus;
}
bool PhysicsServerCommandProcessor::processRequestTetraMeshDataCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes)
{
bool hasStatus = true;
BT_PROFILE("CMD_REQUEST_MESH_DATA");
serverStatusOut.m_type = CMD_REQUEST_MESH_DATA_FAILED;
serverStatusOut.m_numDataStreamBytes = 0;
int sizeInBytes = 0;
InternalBodyHandle* bodyHandle = m_data->m_bodyHandles.getHandle(clientCmd.m_requestMeshDataArgs.m_bodyUniqueId);
if (bodyHandle)
{
int totalBytesPerTetra = sizeof(btVector3) * 4;
btVector3* verticesOut = (btVector3*)bufferServerToClient;
const btCollisionShape* colShape = 0;
#ifndef SKIP_SOFT_BODY_MULTI_BODY_DYNAMICS_WORLD
if (bodyHandle->m_softBody)
{
btSoftBody* psb = bodyHandle->m_softBody;
int numTetra = psb->m_tetras.size();
int maxNumnumVertecies = bufferSizeInBytes / totalBytesPerTetra - 1;
int numVerticesRemaining = numTetra * 4 - clientCmd.m_requestMeshDataArgs.m_startingVertex;
int verticesCopied = btMin(maxNumnumVertecies, numVerticesRemaining);
for (int i = 0; i < verticesCopied; i += 4)
{
const btSoftBody::Tetra& n = psb->m_tetras[i / 4];
verticesOut[i].setValue(n.m_n[0].m_x.x(), n.m_n[0].m_x.y(), n.m_n[0].m_x.z());
verticesOut[i+1].setValue(n.m_n[1].m_x.x(), n.m_n[1].m_x.y(), n.m_n[1].m_x.z());
verticesOut[i+2].setValue(n.m_n[2].m_x.x(), n.m_n[2].m_x.y(), n.m_n[2].m_x.z());
verticesOut[i+3].setValue(n.m_n[3].m_x.x(), n.m_n[3].m_x.y(), n.m_n[3].m_x.z());
}
sizeInBytes = verticesCopied * sizeof(btVector3);
serverStatusOut.m_type = CMD_REQUEST_TETRA_MESH_DATA_COMPLETED;
serverStatusOut.m_sendMeshDataArgs.m_numVerticesCopied = verticesCopied;
serverStatusOut.m_sendMeshDataArgs.m_startingVertex = clientCmd.m_requestMeshDataArgs.m_startingVertex;
serverStatusOut.m_sendMeshDataArgs.m_numVerticesRemaining = numVerticesRemaining - verticesCopied;
}
#endif //SKIP_SOFT_BODY_MULTI_BODY_DYNAMICS_WORLD
}
serverStatusOut.m_numDataStreamBytes = sizeInBytes;
return hasStatus;
}
bool PhysicsServerCommandProcessor::processCreateVisualShapeCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes)
{
bool hasStatus = true;
@@ -15120,6 +15168,11 @@ bool PhysicsServerCommandProcessor::processCommand(const struct SharedMemoryComm
hasStatus = processRequestMeshDataCommand(clientCmd, serverStatusOut, bufferServerToClient, bufferSizeInBytes);
break;
}
case CMD_REQUEST_TETRA_MESH_DATA:
{
hasStatus = processRequestTetraMeshDataCommand(clientCmd, serverStatusOut, bufferServerToClient, bufferSizeInBytes);
break;
}
case CMD_RESET_MESH_DATA:
{
hasStatus = processResetMeshDataCommand(clientCmd, serverStatusOut, bufferServerToClient, bufferSizeInBytes);

1
examples/SharedMemory/PhysicsServerCommandProcessor.h
View File

@@ -32,6 +32,7 @@ protected:
bool processCreateCollisionShapeCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes);
bool processCreateVisualShapeCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes);
bool processRequestMeshDataCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes);
bool processRequestTetraMeshDataCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes);
bool processResetMeshDataCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes);
bool processCustomCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes);
bool processUserDebugDrawCommand(const struct SharedMemoryCommand& clientCmd, struct SharedMemoryStatus& serverStatusOut, char* bufferServerToClient, int bufferSizeInBytes);

5
examples/SharedMemory/SharedMemoryPublic.h
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@@ -118,6 +118,8 @@ enum EnumSharedMemoryClientCommand
CMD_PERFORM_COLLISION_DETECTION,
CMD_RESET_MESH_DATA,
CMD_REQUEST_TETRA_MESH_DATA,
//don't go beyond this command!
CMD_MAX_CLIENT_COMMANDS,
};
@@ -244,6 +246,9 @@ enum EnumSharedMemoryServerStatus
CMD_PERFORM_COLLISION_DETECTION_COMPLETED,
CMD_RESET_MESH_DATA_COMPLETED,
CMD_RESET_MESH_DATA_FAILED,
CMD_REQUEST_TETRA_MESH_DATA_COMPLETED,
CMD_REQUEST_TETRA_MESH_DATA_FAILED,
//don't go beyond 'CMD_MAX_SERVER_COMMANDS!
CMD_MAX_SERVER_COMMANDS
};