/// <summary>
/// Stop the MLMeshinddg API before live code changes are compiled.
/// </summary>
void StopAPIBeforeAssemblyReload()
{
if (MLMeshing.IsStarted)
{
MLMeshing.Stop();
}
}
/// <summary>
/// Stop the MLMeshing API.
/// </summary>
void OnDestroy()
{
#if PLATFORM_LUMIN
if (MLMeshing.IsStarted)
{
MLMeshing.Stop();
}
#if UNITY_EDITOR
UnityEditor.AssemblyReloadEvents.beforeAssemblyReload -= StopAPIBeforeAssemblyReload;
#endif
#endif
}
/// <summary>
/// Verify required members and start the MLMeshing API.
/// </summary>
void Start()
{
if (MeshParent == null)
{
Debug.LogError("Error: MLMeshingBehavior.MeshParent is not set, disabling script.");
enabled = false;
return;
}
if (MeshPrefab == null)
{
Debug.LogError("Error: MLMeshingBehavior.MeshPrefab is not set, disabling script.");
enabled = false;
return;
}
if ((MeshType == MeshingType.PointCloud && PointCloudMeshMaterial == null) || (MeshType == MeshingType.Triangles && TriangleMeshMaterial == null))
{
Debug.LogErrorFormat("Error: MLMeshingBehavior failed because material member required for mesh type {0} is null, disbling script.", MeshType.ToString());
enabled = false;
return;
}
#if PLATFORM_LUMIN
MLMeshing.MeshSettings initSettings;
if (UseDefaultSettings)
{
initSettings = MLMeshing.MeshSettings.Create();
SetSettings(ref initSettings);
}
else
{
initSettings = GetSettings();
}
MLResult result = MLMeshing.Start(initSettings);
if (!result.IsOk)
{
Debug.LogErrorFormat("Error: MLMeshingBehavior failed starting MLMeshing, disabling script. Reason: {0}", result);
enabled = false;
return;
}
#if UNITY_EDITOR
UnityEditor.AssemblyReloadEvents.beforeAssemblyReload += StopAPIBeforeAssemblyReload;
#endif
#endif
}
/// <summary>
/// Processes latest Mesh Info request results.
/// </summary>
private void ProcessMeshInfoRequests()
{
#if PLATFORM_LUMIN
MLResult result = MLMeshing.RequestMeshInfo(in meshExtents);
if (!result.IsOk)
{
Debug.LogErrorFormat("Error: MLMeshingBehavior failed to create a new mesh info request, disabling script. Reason: {0}", result);
enabled = false;
return;
}
MLMeshing.GetMeshInfoResults(out Dictionary <MagicLeapNativeBindings.MLCoordinateFrameUID, Tuple <MLMeshing.BlockInfo, ulong> > results);
if (results.Count > 0)
{
foreach (Tuple <MLMeshing.BlockInfo, ulong> pair in results.Values)
{
switch (pair.Item1.State)
{
case MLMeshing.MeshState.New:
case MLMeshing.MeshState.Updated:
case MLMeshing.MeshState.Unchanged:
AddToQueueIfNecessary(pair.Item1);
break;
case MLMeshing.MeshState.Deleted:
OnMeshRemoved?.Invoke(pair.Item1.ID);
meshesToGenerateIDs.Remove(pair.Item1.ID);
if (meshObjMap.TryGetValue(pair.Item1.ID, out MeshObject meshObj))
{
Destroy(meshObj.Obj);
meshObjMap.Remove(pair.Item1.ID);
}
break;
default:
break;
}
}
}
#endif
}