private void UpdateObservedSurfaces()
{
var surfaces = spatialSurfaceObserver.GetObservedSurfaces();
foreach (var spatialMeshObject in SpatialMeshObjects)
{
if (!surfaces.TryGetValue(spatialMeshObject.Key, out _))
{
// We cannot call MeshInfo_Update since we no longer have a SpatialSurfaceInfo
RaiseMeshRemoved(spatialMeshObject.Value);
}
}
foreach (var surface in surfaces)
{
var surfaceBounds = surface.Value.TryGetBounds(WindowsMixedRealityUtilities.SpatialCoordinateSystem);
var surfaceChangeStatus = SpatialMeshObjects.TryGetValue(surface.Key, out var spatialMeshObject)
? SpatialObserverStatus.Updated
: SpatialObserverStatus.Added;
if (surfaceBounds.HasValue)
{
MeshInfo_Update(surface.Value, surfaceChangeStatus);
}
else
{
if (surfaceChangeStatus == SpatialObserverStatus.Updated)
{
// Only remove if we've already created a mesh for it.
MeshInfo_Update(surface.Value, SpatialObserverStatus.Removed);
}
}
}
}
/// <summary>
/// Handler for RequestMeshAsync which will be used to set the material on the resulting mesh
/// </summary>
/// <param name="bakedData">The resulting data from the RequestMeshAsync call</param>
/// <param name="outputWritten">Whether or not the output was written</param>
/// <param name="elapsedBakeTimeSeconds">How long the baking took in seconds</param>
protected override void SurfaceObserver_OnDataReady(SurfaceData bakedData, bool outputWritten, float elapsedBakeTimeSeconds)
{
if (bakedData.outputMesh != null)
{
GameObject go;
if (SpatialMeshObjects.TryGetValue(bakedData.id, out go) && go != null)
{
if (go.GetComponent <MeshRenderer>() == null)
{
MeshRenderer meshRenderer = go.AddComponent <MeshRenderer>();
meshRenderer.receiveShadows = false;
meshRenderer.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
}
ApplyRenderingSetting(bakedData.outputMesh.GetComponent <MeshRenderer>());
}
}
}
private async void MeshInfo_Update(SpatialSurfaceInfo meshInfo, SpatialObserverStatus statusType)
{
if (statusType == SpatialObserverStatus.Removed)
{
if (SpatialMeshObjects.TryGetValue(meshInfo.Id, out var removedMeshObject))
{
RaiseMeshRemoved(removedMeshObject);
}
return;
}
var spatialMeshObject = await RequestSpatialMeshObject(meshInfo.Id);
if (meshInfo.UpdateTime.ToUniversalTime() <= spatialMeshObject.LastUpdated.ToUniversalTime())
{
// No updates
return;
}
try
{
await GenerateMeshAsync(meshInfo, spatialMeshObject);
}
catch (Exception e)
{
Debug.LogError(e);
RaiseMeshRemoved(spatialMeshObject);
return;
}
if (!SpatialMeshObjects.TryGetValue(meshInfo.Id, out var meshObject))
{
Debug.LogWarning($"Failed to find a spatial mesh object for {meshInfo.Id}!");
// Likely it was removed before data could be cooked.
return;
}
// Apply the appropriate material to the mesh.
var displayOption = MeshDisplayOption;
if (displayOption != SpatialMeshDisplayOptions.None)
{
meshObject.Collider.enabled = true;
meshObject.Renderer.enabled = displayOption == SpatialMeshDisplayOptions.Visible ||
displayOption == SpatialMeshDisplayOptions.Occlusion;
meshObject.Renderer.sharedMaterial = displayOption == SpatialMeshDisplayOptions.Visible
? MeshVisibleMaterial
: MeshOcclusionMaterial;
}
else
{
meshObject.Renderer.enabled = false;
meshObject.Collider.enabled = false;
}
if (!meshObject.GameObject.activeInHierarchy)
{
meshObject.GameObject.SetActive(true);
}
switch (statusType)
{
case SpatialObserverStatus.Added:
RaiseMeshAdded(meshObject);
break;
case SpatialObserverStatus.Updated:
RaiseMeshUpdated(meshObject);
break;
default:
throw new ArgumentOutOfRangeException($"{nameof(SpatialObserverStatus)}.{statusType} was not handled!");
}
}
/// <summary>
/// Handles the SurfaceObserver's OnSurfaceChanged event.
/// </summary>
/// <param name="surfaceId">The identifier assigned to the surface which has changed.</param>
/// <param name="changeType">The type of change that occurred on the surface.</param>
/// <param name="bounds">The bounds of the surface.</param>
/// <param name="updateTime">The date and time at which the change occurred.</param>
private async void SurfaceObserver_OnSurfaceChanged(SurfaceId surfaceId, SurfaceChange changeType, Bounds bounds, DateTime updateTime)
{
// If we're adding or updating a mesh
if (changeType != SurfaceChange.Removed)
{
var spatialMeshObject = await RequestSpatialMeshObject(surfaceId.handle);
spatialMeshObject.GameObject.name = $"SpatialMesh_{surfaceId.handle.ToString()}";
var worldAnchor = spatialMeshObject.GameObject.EnsureComponent <WorldAnchor>();
var surfaceData = new SurfaceData(surfaceId, spatialMeshObject.Filter, worldAnchor, spatialMeshObject.Collider, MeshTrianglesPerCubicMeter, true);
if (!observer.RequestMeshAsync(surfaceData, OnDataReady))
{
Debug.LogError($"Mesh request failed for spatial observer with Id {surfaceId.handle.ToString()}");
RaiseMeshRemoved(spatialMeshObject);
}
void OnDataReady(SurfaceData cookedData, bool outputWritten, float elapsedCookTimeSeconds)
{
if (!outputWritten)
{
Debug.LogWarning($"No output for {cookedData.id.handle}");
return;
}
if (!SpatialMeshObjects.TryGetValue(cookedData.id.handle, out SpatialMeshObject meshObject))
{
// Likely it was removed before data could be cooked.
return;
}
// Apply the appropriate material to the mesh.
SpatialMeshDisplayOptions displayOption = MeshDisplayOption;
if (displayOption != SpatialMeshDisplayOptions.None)
{
meshObject.Renderer.enabled = true;
meshObject.Renderer.sharedMaterial = (displayOption == SpatialMeshDisplayOptions.Visible)
? MeshVisibleMaterial
: MeshOcclusionMaterial;
}
else
{
meshObject.Renderer.enabled = false;
}
// Recalculate the mesh normals if requested.
if (MeshRecalculateNormals)
{
meshObject.Filter.sharedMesh.RecalculateNormals();
}
meshObject.GameObject.SetActive(true);
switch (changeType)
{
case SurfaceChange.Added:
RaiseMeshAdded(meshObject);
break;
case SurfaceChange.Updated:
RaiseMeshUpdated(meshObject);
break;
}
}
}
else if (SpatialMeshObjects.TryGetValue(surfaceId.handle, out SpatialMeshObject meshObject))
{
RaiseMeshRemoved(meshObject);
}
}
private async void MeshInfo_Update(MeshInfo meshInfo)
{
if (meshInfo.ChangeState == MeshChangeState.Unchanged)
{
return;
}
// If we're adding or updating a mesh
if (meshInfo.ChangeState != MeshChangeState.Removed)
{
var spatialMeshObject = await RequestSpatialMeshObject(meshInfo.MeshId.GetHashCode());
spatialMeshObject.GameObject.name = $"SpatialMesh_{meshInfo.MeshId.ToString()}";
var meshAttributes = MeshRecalculateNormals ? MeshVertexAttributes.Normals : MeshVertexAttributes.None;
try
{
meshSubsystem.GenerateMeshAsync(meshInfo.MeshId, spatialMeshObject.Mesh, spatialMeshObject.Collider, meshAttributes, OnMeshGenerated);
}
catch (Exception e)
{
Debug.LogError($"{e.Message}\n{e.StackTrace}");
}
void OnMeshGenerated(MeshGenerationResult result)
{
if (result.Status == MeshGenerationStatus.GenerationAlreadyInProgress)
{
return;
}
if (result.Status != MeshGenerationStatus.Success)
{
Debug.LogWarning($"No output for {result.MeshId.ToString()} | {result.Status}");
RaiseMeshRemoved(spatialMeshObject);
return;
}
if (!SpatialMeshObjects.TryGetValue(result.MeshId.GetHashCode(), out var meshObject))
{
Debug.LogWarning($"Failed to find a spatial mesh object for {result.MeshId.ToString()}!");
// Likely it was removed before data could be cooked.
return;
}
// Apply the appropriate material to the mesh.
var displayOption = MeshDisplayOption;
if (displayOption != SpatialMeshDisplayOptions.None)
{
meshObject.Collider.enabled = true;
meshObject.Renderer.enabled = displayOption == SpatialMeshDisplayOptions.Visible ||
displayOption == SpatialMeshDisplayOptions.Occlusion;
meshObject.Renderer.sharedMaterial = displayOption == SpatialMeshDisplayOptions.Visible
? MeshVisibleMaterial
: MeshOcclusionMaterial;
}
else
{
meshObject.Renderer.enabled = false;
meshObject.Collider.enabled = false;
}
// Recalculate the mesh normals if requested.
if (MeshRecalculateNormals)
{
if (meshObject.Filter.sharedMesh != null)
{
meshObject.Filter.sharedMesh.RecalculateNormals();
}
else
{
meshObject.Filter.mesh.RecalculateNormals();
}
}
meshObject.GameObject.SetActive(true);
switch (meshInfo.ChangeState)
{
case MeshChangeState.Added:
RaiseMeshAdded(meshObject);
break;
case MeshChangeState.Updated:
RaiseMeshUpdated(meshObject);
break;
}
}
}
else if (SpatialMeshObjects.TryGetValue(meshInfo.MeshId.GetHashCode(), out var meshObject))
{
RaiseMeshRemoved(meshObject);
}
}
private async void MeshInfo_Update(MlMeshing2.MLMeshingBlockInfo meshInfo)
{
if (meshInfo.state == MlMeshing2.MLMeshingMeshState.Unchanged)
{
return;
}
// If we're adding or updating a mesh
if (meshInfo.state != MlMeshing2.MLMeshingMeshState.Deleted)
{
var spatialMeshObject = await RequestSpatialMeshObject(meshInfo.id.ToGuid());
MeshGenerationResult meshResult;
try
{
meshResult = await GenerateMeshAsync(meshInfo, spatialMeshObject);
}
catch (Exception e)
{
Debug.LogError(e);
RaiseMeshRemoved(spatialMeshObject);
return;
}
if (meshResult.Status == MlMeshing2.MLMeshingResult.Pending)
{
return;
}
if (meshResult.Status != MlMeshing2.MLMeshingResult.Success)
{
Debug.LogWarning($"No output for {meshResult.Id} | {meshResult.Status}");
RaiseMeshRemoved(spatialMeshObject);
return;
}
if (!SpatialMeshObjects.TryGetValue(meshResult.Id.ToGuid(), out var meshObject))
{
Debug.LogWarning($"Failed to find a spatial mesh object for {meshResult.Id}!");
// Likely it was removed before data could be cooked.
return;
}
// Apply the appropriate material to the mesh.
var displayOption = MeshDisplayOption;
if (displayOption != SpatialMeshDisplayOptions.None)
{
meshObject.Collider.enabled = true;
meshObject.Renderer.enabled = displayOption == SpatialMeshDisplayOptions.Visible ||
displayOption == SpatialMeshDisplayOptions.Occlusion;
meshObject.Renderer.sharedMaterial = displayOption == SpatialMeshDisplayOptions.Visible
? MeshVisibleMaterial
: MeshOcclusionMaterial;
}
else
{
meshObject.Renderer.enabled = false;
meshObject.Collider.enabled = false;
}
if (!meshObject.GameObject.activeInHierarchy)
{
meshObject.GameObject.SetActive(true);
}
switch (meshInfo.state)
{
case MlMeshing2.MLMeshingMeshState.New:
RaiseMeshAdded(meshObject);
break;
case MlMeshing2.MLMeshingMeshState.Updated:
RaiseMeshUpdated(meshObject);
break;
}
}
else if (SpatialMeshObjects.TryGetValue(meshInfo.id.ToGuid(), out var meshObject))
{
RaiseMeshRemoved(meshObject);
}
}