godot-host-test/Game/Level/LevelServiceSource.cs

using System;
using System.Diagnostics;
using Godot;
using GodotHostTest.AetherBind;
using GodotHostTest.Game.Target;
using GodotHostTest.Interfaces;
using OwofGames.AetherBind;
using OwofGames.GodotHost.Observability;
using OwofGames.GodotLume;
using ServiceSource = GodotHostTest.AetherBind.ServiceSource;

namespace GodotHostTest.Game.Level;

public partial class LevelServiceSource : ServiceSource
{
    private Activity? _activityValue;
    [Export] private TargetSpawner _targetSpawner = null!;

    protected override void OnScopeCreated(IProvider serviceProvider)
    {
        OnScopeCreatedWithProvider(serviceProvider);
    }

    [WithProvider]
    private void OnScopeCreated(IValueSetter<ITargetCollector> targetCollector,
        IValueSetter<ITargetSpawner> targetSpawner, IActivitySourceFactory activitySourceFactory,
        IValueSetter<Activity> activity)
    {
        // ReSharper disable once ExplicitCallerInfoArgument - the caller name is not significant in this case
        _activityValue = activitySourceFactory.ActivitySource.StartActivity("Level") ??
                         throw new InvalidOperationException(
                             "No listeners for the activity - is OpenTelemetry running?");
        activity.Set(_activityValue);
        targetCollector.Set(_targetSpawner);
        targetSpawner.Set(_targetSpawner);
    }

    public override void _Ready()
    {
        // after 3 seconds, dispose the activity for simulation purposes
        GetTree().CreateTimer(3).Timeout += _activityValue!.Dispose;
    }
}