Build a Health Bar

v2.0
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What You Will Build

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Component Details Settings
Component Details Settings

Step 1: Bind the Events

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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 2: Test in Play In Editor

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 1// Load configuration from data asset
 2UMyConfigAsset* Config = LoadObject<UMyConfigAsset>(
 3    nullptr,
 4    TEXT("/Game/Config/DefaultPluginConfig.DefaultPluginConfig")
 5);
 6
 7if (Config)
 8{
 9    Settings.MaxPoolSize = Config->MaxPoolSize;
10    Settings.TickRate = Config->TickRate;
11    Settings.bEnableDebugDraw = Config->bEnableDebugDraw;
12    Settings.LogVerbosity = Config->LogVerbosity;
13
14    UE_LOG(LogVoxelWaterPulse, Log, TEXT("Configuration loaded: PoolSize=%d, TickRate=%.2f"),
15        Settings.MaxPoolSize, Settings.TickRate);
16}

Step 3: Expose Values to Designers

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Plugin Toolbar Buttons
Plugin Toolbar Buttons

Step 4: Handle the Edge Cases

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 1; DefaultEngine.ini
 2[/Script/VoxelWaterPulse.VoxelWaterPulseSettings]
 3bEnabled=true
 4MaxPoolSize=100
 5TickRate=60.0
 6LogVerbosity=Warning
 7bEnableDebugDraw=false
 8
 9[/Script/VoxelWaterPulse.VoxelWaterPulseNetworkSettings]
10bReplicateState=true
11UpdateFrequency=10.0
12MaxReplicationDistance=10000.0

Step 5: Polish the Feedback

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Plugin Toolbar Buttons
Plugin Toolbar Buttons

Step 6: Profile the Result

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  1. Create a new Data Asset of type UMyConfigAsset
  2. Set the MaxPoolSize to match your expected load
  3. Configure TickRate based on your target frame budget
  4. Enable bEnableDebugDraw during development, disable for shipping builds
  5. Set LogVerbosity to Warning or higher for production
  6. Save the asset and reference it in your component's Details panel

Next Steps

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