private void SetSelectionFromCursor()
{
ClearSelection();
if (!Physics.Raycast(_camera.ScreenPointToRay(Input.mousePosition), out RaycastHit hitInfo))
{
return;
}
_selectedRenderer = hitInfo.transform.GetComponent <MeshRenderer>();
_selectedOriginalMaterial = _selectedRenderer.sharedMaterial;
_selectedRenderer.material = _selectionMaterial;
var requestWrapper = new RequestWrapper
{
ElementTooltipRequest = new ElementTooltipRequest {
ElementId = _selectedRenderer.name
}
};
_backend.SendRequest(requestWrapper, replyWrapper =>
{
ElementTooltipReply tt = replyWrapper.ElementTooltipReply;
_selectionText =
$"Id: {tt.ElementId}\nClass: {tt.ClassLabel}\nCategory: {tt.CategoryLabel}\nModel: {tt.ModelLabel}";
});
}
public void OnUpdate()
{
if (_elementIdExportQueuePosition >= _elementIdExportQueueCount || _backend.HasPendingRequest)
{
return;
}
Profiler.BeginSample("Bentley.ExportMeshRequestManager.OnUpdate");
// This is all to work around RepeatedField generating garbage for each request:
// * RepeatedField can't use an existing buffer
// * RepeatedField.Clear releases the backing array, so we can't just Clear and then AddRange
// * RepeatedField has no option to mark Length vs Capacity, so we can't just reuse a larger RepeatedField
RequestWrapper requestWrapper;
int count = Math.Min(_elementIdExportQueueCount - _elementIdExportQueuePosition, BatchSize);
if (count == BatchSize)
{
RepeatedField <string> requestIds = _cachedRequestWrapper.ExportMeshesRequest.ElementIds;
for (int i = 0; i < count; ++i)
{
requestIds[i] = _elementIdExportQueue[i + _elementIdExportQueuePosition];
}
requestWrapper = _cachedRequestWrapper;
}
else
{
// Doesn't match size of cached MsgWrapper, so just allocate a one-off request object
requestWrapper = new RequestWrapper()
{
ExportMeshesRequest = new ExportMeshesRequest {
ChordTol = ChordTol
}
};
RepeatedField <string> requestIds = requestWrapper.ExportMeshesRequest.ElementIds;
for (int i = 0; i < count; ++i)
{
requestIds.Add(_elementIdExportQueue[i + _elementIdExportQueuePosition]);
}
}
_elementIdExportQueuePosition += count;
_backend.SendRequest(requestWrapper, msgWrapper => { _meshReader.QueueForRead(msgWrapper.ExportMeshesReply); });
Profiler.EndSample();
}
public void CalculateOffsetFromProjectExtents()
{
_backend.SendRequest(new RequestWrapper {
ProjectExtentsRequest = new ProjectExtentsRequest()
},
replyWrapper =>
{
ProjectExtentsReply msg = replyWrapper.ProjectExtentsReply;
// Center the geometry in XY plane for better floating point behavior.
_translationFromIModel = new Vector3d
{
X = -(msg.MinX + (msg.MaxX - msg.MinX) / 2),
Y = -(msg.MinY + (msg.MaxY - msg.MinY) / 2),
Z = -msg.MinZ
};
});
}
public void OnUpdate()
{
if (_requestIsActive)
{
return; // Only one request in flight at a time
}
if (!_forceRequest && Time.time < _nextRequestTime)
{
return; // Time-based throttling
}
Vector3 cameraPos = _cameraTransform.position;
Vector3 cameraFwd = _cameraTransform.forward;
if (!_forceRequest &&
Vector3.Distance(cameraPos, _lastCameraPos) < MinPositionChange &&
1.0f - Vector3.Dot(cameraFwd, _lastCameraFwd) < MinDirectionChange)
{
return;
}
Profiler.BeginSample("Bentley.GraphicsStreaming.OnUpdate");
_requestIsActive = true;
_forceRequest = false;
_lastCameraPos = cameraPos;
_lastCameraFwd = cameraFwd;
CalculateFrustumAABB(out Vector3 min, out Vector3 max);
string selectFilter = CreateSelectFilter(min, max);
_backend.SendRequest(
new RequestWrapper {
SelectElementIdsRequest = new SelectElementIdsRequest {
SelectFilter = selectFilter
}
},
replyWrapper =>
{
_meshRequestManager.AddElementIdsToQueue(replyWrapper.SelectElementIdsReply.ElementIds);
_requestIsActive = false;
_nextRequestTime = Time.time + MaxRequestFrequency;
});
Profiler.EndSample();
}
public Texture2D GetById(string elementId)
{
Texture2D result;
if (_cacheByElementId.TryGetValue(elementId, out result))
{
return(result);
}
result = new Texture2D(1, 1); // stub in until real texture is received
_cacheByElementId[elementId] = result;
_backend.SendRequest(new RequestWrapper {
TextureRequest = new TextureRequest {
TextureId = elementId
}
},
replyWrapper =>
{
result.LoadImage(replyWrapper.TextureReply.TextureData.ToByteArray());
});
return(result);
}
public void RequestViewsFromBackend()
{
_backend.SendRequest(new RequestWrapper {
CameraViewsRequest = new CameraViewsRequest()
}, HandleCameraViewsReply);
}