Make a Multiplayer Lobby - DeltaCraft Hub Docs

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What You Will Build

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Step 1: Add the Component

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 1Blueprint Setup:
 21. Open your Actor Blueprint
 32. Add Component > search "My Plugin Component"
 43. In the Details panel, set:
 5   - Update Interval: 0.1
 6   - Auto Activate: true
 7   - Max Instances: 50
 84. Connect the OnStateChanged event to your handler
 95. Compile and Save the Blueprint

Step 2: Configure the Settings

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Step 3: Bind the Events

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 1# Plugin configuration (DeltaCraft Hub.yaml)
 2plugin:
 3  name: DeltaCraft Hub
 4  version: 2.0
 5  settings:
 6    max_pool_size: 100
 7    tick_rate: 60.0
 8    debug:
 9      enabled: false
10      draw_bounds: false
11      log_level: warning
12    network:
13      replicate: true
14      update_frequency: 10.0

Step 4: Test in Play In Editor

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 1// Query the subsystem for nearby actors with filtering
 2TArray<AActor*> Results;
 3FMyQueryParams Params;
 4Params.Origin = GetActorLocation();
 5Params.Radius = 1000.0f;
 6Params.MaxResults = 10;
 7Params.bIncludeHidden = false;
 8Params.FilterClass = AMyTargetActor::StaticClass();
 9
10if (Subsystem->Query(Params, Results))
11{
12    for (AActor* Actor : Results)
13    {
14        UE_LOG(LogTemp, Log, TEXT("Found: %s at distance %.1f"),
15            *Actor->GetName(),
16            FVector::Dist(Params.Origin, Actor->GetActorLocation()));
17    }
18}

Step 5: Expose Values to Designers

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 1Blueprint Setup:
 21. Open your Actor Blueprint
 32. Add Component > search "My Plugin Component"
 43. In the Details panel, set:
 5   - Update Interval: 0.1
 6   - Auto Activate: true
 7   - Max Instances: 50
 84. Connect the OnStateChanged event to your handler
 95. Compile and Save the Blueprint

Step 6: Handle the Edge Cases

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Next Steps

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