using XCEngine;
using XCEngine.Rendering;

namespace XCEngine.Rendering.Universal
{
    public sealed class BuiltinGaussianSplatRendererFeature
        : ScriptableRendererFeature
    {
        public RenderPassEvent passEvent =
            RenderPassEvent.BeforeRenderingTransparents;
        private readonly UniversalNativeSceneFeatureController m_controller =
            new UniversalNativeSceneFeatureController(
                NativeSceneFeaturePassId
                    .BuiltinGaussianSplat);

        protected override int ComputeRuntimeStateHash()
        {
            int hash =
                base.ComputeRuntimeStateHash();
            return m_controller.AppendRuntimeStateHash(
                hash,
                passEvent);
        }

        public override void Create()
        {
            m_controller.Create(passEvent);
        }

        public override void AddRenderPasses(
            ScriptableRenderer renderer,
            RenderingData renderingData)
        {
            if (renderer == null ||
                renderingData == null ||
                !renderingData.isMainSceneStage)
            {
                return;
            }

            CreateInstance();
            m_controller.EnqueuePass(
                renderer,
                renderingData,
                passEvent);
        }
    }
}