lyra-wasm-scripting-test/guests/csharp/dotnet-guest-test/ExampleWorldImpl.cs

namespace ExampleWorld;

using ExampleWorld.wit.imports.lyra.api;
using LyraApi.Asset;
using LyraApi.Ecs;
using LyraApi.Engine;
using LyraApi.Math;

public class ExampleWorldImpl : IExampleWorld
{
    public static void OnInit(IEcs.EcsWorld gameWorld, IEcs.Entity owningEntity)
    {
        var world = new World(gameWorld);
        Entity entity = world.Spawn(new Vec3(7.0f, 30.0f, 18.0f));
        Console.WriteLine("C#:   Spawned entity with id {0}", entity.Id);

        foreach ((Entity en, Vec3 comp) in world.View<Vec3>())
        {
            Console.WriteLine("C#:   Found entity at ({0}, {1}, {2})", comp.X, comp.Y, comp.Z);
        }

        /* DeltaTime? dt = world.GetResource<DeltaTime>();
        if (dt != null) {
            Console.WriteLine($"C#:   Delta time: {dt?.Seconds:0.##}");
        } */

        AssetManager? man = world.GetResource<AssetManager>();
        if (man != null) {
            Handle<ImageHandle> han = man.Request<ImageHandle>("test_assets/white.png");
            Console.WriteLine($"C#:   Asset uuid: {han.Uuid}");

            // wait for asset to load before trying to get the data
            han.WaitForLoadRecursive();
            if (!han.IsLoaded)
            {
                Console.WriteLine("C#:   Asset is still not loaded, even after waiting!");
            }

            // will be null if the image hasn't loaded yet
            ImageHandle? img = han.GetData();
            Console.WriteLine($"C#:   Size of image: ({img?.Width}, {img?.Height})");
        }
        else
        {
            Console.WriteLine("C#:   No manager found");
        }
    }

    public static void OnUpdate(IEcs.EcsWorld gameWorld, IEcs.Entity owningEntity)
    {
        throw new NotImplementedException();
    }
}