public Memory <T> Allocate <T>(ulong count, int align) where T : unmanaged
{
Memory <byte> allocatedMemory = Allocate((ulong)Unsafe.SizeOf <T>() * count, align);
if (allocatedMemory.IsEmpty)
{
return(Memory <T> .Empty);
}
return(SpanMemoryManager <T> .Cast(allocatedMemory));
}
public StateUpdater(ReadOnlyMemory <byte> input, Memory <byte> output, uint processHandle, BehaviourContext behaviourContext)
{
_input = input;
_inputOrigin = _input;
_output = output;
_outputOrigin = _output;
_processHandle = processHandle;
_behaviourContext = behaviourContext;
_inputHeader = SpanIOHelper.Read <UpdateDataHeader>(ref _input);
_outputHeader = SpanMemoryManager <UpdateDataHeader> .Cast(_output.Slice(0, Unsafe.SizeOf <UpdateDataHeader>()));
OutputHeader.Initialize(_behaviourContext.UserRevision);
_output = _output.Slice(Unsafe.SizeOf <UpdateDataHeader>());
}
public void Initialize(Memory <byte> nodeStatesWorkBuffer, int nodeCount)
{
int workBufferSize = GetWorkBufferSize(nodeCount);
Debug.Assert(nodeStatesWorkBuffer.Length >= workBufferSize);
_nodeCount = nodeCount;
int edgeMatrixWorkBufferSize = EdgeMatrix.GetWorkBufferSize(nodeCount);
_discovered.Initialize(nodeStatesWorkBuffer.Slice(0, edgeMatrixWorkBufferSize), nodeCount);
_finished.Initialize(nodeStatesWorkBuffer.Slice(edgeMatrixWorkBufferSize, edgeMatrixWorkBufferSize), nodeCount);
nodeStatesWorkBuffer = nodeStatesWorkBuffer.Slice(edgeMatrixWorkBufferSize * 2);
_resultArray = SpanMemoryManager <int> .Cast(nodeStatesWorkBuffer.Slice(0, sizeof(int) * nodeCount));
nodeStatesWorkBuffer = nodeStatesWorkBuffer.Slice(sizeof(int) * nodeCount);
Memory <int> stackWorkBuffer = SpanMemoryManager <int> .Cast(nodeStatesWorkBuffer.Slice(0, Stack.CalcBufferSize(nodeCount *nodeCount)));
_stack.Reset(stackWorkBuffer, nodeCount * nodeCount);
}
