/// <summary>
/// Creates a new entity from a surface
/// </summary>
/// <param name="entityName">The entity Name</param>
/// <param name="surface">The hololens surface information</param>
/// <returns>The new entity</returns>
protected override Entity CreateNewSurfaceEntity(string entityName, SpatialMappingSurface surface)
{
var surfaceEntity = new Entity(entityName)
{
IsSerializable = false,
IsStatic = true
}
.AddComponent(new Transform3D());
if (!string.IsNullOrEmpty(this.MaterialPath))
{
surfaceEntity.AddComponent(new MaterialsMap()
{
DefaultMaterialPath = this.MaterialPath,
UseMaterialCopy = this.UseMaterialCopy,
});
}
this.RefreshModel(surface, surfaceEntity);
this.UpdateSurfaceEntity(surface, surfaceEntity);
this.RefreshCollider(surfaceEntity);
return surfaceEntity;
}
/// <summary>
/// Updates a surface entity
/// </summary>
/// <param name="surface">The hololens surface information</param>
/// <param name="surfaceEntity">The entity to update</param>
protected override void UpdateSurfaceEntity(SpatialMappingSurface surface, Entity surfaceEntity)
{
Transform3D transform = surfaceEntity.FindComponent<Transform3D>();
transform.LocalPosition = surface.Position;
transform.LocalScale = surface.Scale;
transform.LocalOrientation = surface.Orientation;
}
/// <summary>
/// Refresh the surface mesh
/// </summary>
/// <param name="surface">The hololens surface information</param>
/// <param name="surfaceEntity">The entity to update</param>
protected override void RefreshModel(SpatialMappingSurface surface, Entity surfaceEntity)
{
if (!surfaceEntity.IsDisposed)
{
surfaceEntity.RemoveComponent<Model>()
.RemoveComponent<ModelRenderer>()
.AddComponent(Model.CreateFromMesh(surface.Mesh));
if (this.IsVisible && !string.IsNullOrEmpty(this.MaterialPath))
{
surfaceEntity.AddComponent(new ModelRenderer());
}
}
}
/// <summary> /// Updates a surface entity /// </summary> /// <param name="surface">The hololens surface information</param> /// <param name="surfaceEntity">The entity to update</param> protected abstract void UpdateSurfaceEntity(SpatialMappingSurface surface, Entity surfaceEntity);
/// <summary> /// Refresh the surface mesh /// </summary> /// <param name="surface">The hololens surface information</param> /// <param name="surfaceEntity">The entity to update</param> protected abstract void RefreshModel(SpatialMappingSurface surface, Entity surfaceEntity);
/// <summary>
/// Handles the SurfaceObserver's OnSurfaceChanged event.
/// </summary>
/// <param name="id">The identifier assigned to the surface which has changed.</param>
/// <param name="surface">The surface</param>
/// <param name="changeType">The type of change that occurred on the surface.</param>
/// <param name="updateTime">The date and time at which the change occurred.</param>
protected virtual void OnSurfaceChanged(Guid id, SpatialMappingSurface surface, SurfaceChange changeType, DateTimeOffset updateTime)
{
WaveServices.Dispatcher.RunOnWaveThread(() =>
{
if (surface.Mesh == null)
{
return;
}
Debug.WriteLine("OnSurfaceChanged [" + changeType + "] " + id);
string entityId = this.GetEntityNameFromSurfaceId(id);
switch (changeType)
{
case SurfaceChange.Added:
case SurfaceChange.Updated:
var surfaceEntity = this.Owner.FindChild(entityId);
if (surfaceEntity == null)
{
surfaceEntity = this.CreateNewSurfaceEntity(entityId, surface);
surfaceEntity.Tag = SurfaceEntityTag;
if (surfaceEntity != null)
{
this.Owner.AddChild(surfaceEntity);
}
}
else
{
this.RefreshModel(surface, surfaceEntity);
this.UpdateSurfaceEntity(surface, surfaceEntity);
}
break;
case SurfaceChange.Removed:
// Remove the child entity
this.Owner.RemoveChild(entityId);
break;
default:
break;
}
});
}
/// <summary> /// Creates a new entity from a surface /// </summary> /// <param name="entityName">The entity Name</param> /// <param name="surface">The hololens surface information</param> /// <returns>The new entity</returns> protected abstract Entity CreateNewSurfaceEntity(string entityName, SpatialMappingSurface surface);
