Points & Team Scoring: Loop X that has flag, then update Y with same flag.

[shaunnortonAU]

Hello, I am making a team sport-like game. I am trying to get my head around scoring. I think the below information describes the scenario.

Data & Entity Structure:
EntityA

• Component: Score { int Value }
• Component: TeamRedFlag
• Exists as part of round initialization.

EntityB, C, D, E…

• Component: ScorePoint { int Value }
• Component: TeamRedFlag
• Created during play when a goal is reached.

I am not currently storing Entity references or buffers.
TeamRedFlag is IComponentData { bool Flag }, not SharedComponent, and not Tag.

Desired Outcome:
For Team Red, Score.Value = Sum(ScorePoint.Value)

In other words, each frame I want to process all the scorepoints and calculate the score for that team, store it in Score, then destroy the scorepoint. I will also calculate Blue team, but I’m fine with duplicate code/hardcoded teams for now.

What I’ve tried:
I could probably figure this out without Jobs, but I’ve tried to avoid Entities.ForEach in OnUpdate because in my early ECS scripts - for other features - I used nested ForEaches and I think it was pretty terrible.
These same early features used SharedComponentData, but I’ve also avoided these too. When I used them, I found their pattern of usage either really helpful (SetFilter) or unhelpful (unable to use them like I do with components).
I tried using the Boids as a reference for using data from one job in another, but the sample is just too complex to make sense of. I think there’s a need to store data in a third place, but I’m just not sure how, when or where.
I tried providing the job with ComponentDataFromEntity and NativeArray in various combinations. I had trouble setting data in the end.

So right now my Job is just empty. I really don’t know how to do this.

I am open to structural changes if you’re certain it’ll work

Thanks for your help.

EDIT: I think this is related to 2 other recent threads.

Cycle in a cycle by means of DOTS.

Hello. Forgive for a silly question. I tried to make it via the Chunk system. But could not understand as. How it is the best of all to make? (applying parallelism of JOB and ECS) for ( iFirst = 0; iFirst < iMax; iFirst++ ) { for ( iSecond = 0; iSecond < iMax; iSecond++ ) { } }

How to pass the intermediate data in NativeQueue from one parallel job to another?

Hi, I've a system that has two parallel jobs, the first one will run through chunks and populate some intermediate data into a NativeQueue, the second job is expected to work on the pass-in NativeQueue and get the final result. The problem is that the second job (IJobParallelFor) needs the length to schedule, which is not available at the point in main thread. I checked the IJobParallelForDefer but it needs a NativeList, which doesn't have a Concurrent version to replace the NativeQueue i…

[DreamingImLatios]

Entities.ForEach
IJobForEach.Run()

Write your result to a NativeArray of size 1. That should get you at least working. You can optimize later. But really, TagComponents would simplify the problem quite a bit.