Question Dependency Issue.

I don't understand why this is an issue? Please help me understand.

Code (CSharp):

1. InvalidOperationException: The system TCC.ECS.Refactor.AuthoringRefactor.GraphSystem reads TCC.ECS.Refactor.AuthoringRefactor.ReferenceGraphDescriptorComponent via GraphSystem:GraphSystem_GraphInputRecorderComponent_UpdateData but that type was not assigned to the Dependency property. To ensure correct behavior of other systems, the job or a dependency must be assigned to the Dependency property before returning from the OnUpdate method.
2.  

Code (CSharp):

1.  
2.  
3. var dept0 = Entities
4.     .WithName($"GraphSystem_GraphInputRecorderComponent_UpdateData")
5.     .ForEach((Entity e, ref GraphInputRecorderComponent gi, in ReferenceGraphDescriptorComponent d) =>
6.     {
7.         Debug.Log($"GraphSystem_GraphInputRecorderComponent_UpdateData");
8.        
9.         var graphMaxCapacityX = GetComponent<GraphDescriptorComponent>(d.GraphDescriptorEntity).MaxCapacityX;
10.         var graphMaxCapacityZ = GetComponent<GraphDescriptorComponent>(d.GraphDescriptorEntity).MaxCapacityZ;
11.         float3 intersectPoint = float3.zero;
12.         float3 px = new float3(0f, 0f, -500f);
13.         float3 py = new float3(0f, 0f, graphMaxCapacityX*2);  
14.         float3 pz = new float3(graphMaxCapacityZ*4, 0f, -500f);
15.        
16.         bool hit = RayIntersectionUtils.Intersect
17.         (
18.             graphInputData.PointerWorldPosition,
19.             graphInputData.PointerCameraRayDirection,
20.             px,
21.             py,
22.             pz,
23.             ref intersectPoint
24.         );
25.  
26.         gi.Hit = hit;
27.         gi.LatestInputRayHitPosition = intersectPoint;
28.     }).Schedule(Dependency);
29.  

 

The Unity_Entities_SystemBase_Dependency section shows exactly how to manage the dependency of the system when explicitly assigning the dependency JobHandle to the Entities.ForEach call.

So if you manually assign the dependency to the Entities.ForEach call you should set the system's Dependency attribute after the call, like:

Code (CSharp):

1. var dep= Entities.ForEach(
2.                 (ref Translation translation) =>
3.                 {
4.                     /*Some logic here*/
5.                 }).Schedule(Dependency);
6.             this.Dependency = dep;

I too once got the same error when I manually assigned the dependency property to Entities.ForEach calls in my system which inherited from SystemBase, and setting the ForEach call's job handle to the Dependency attribute fixed it.

 

Yep this was it , thank you