using XCEngine;
using XCEngine.Rendering;

namespace XCEngine.Rendering.Universal
{
    internal sealed class UniversalNativeSceneFeatureController
    {
        private readonly NativeSceneFeaturePassId m_featurePassId;
        private NativeSceneFeaturePass m_pass;

        public UniversalNativeSceneFeatureController(
            NativeSceneFeaturePassId featurePassId)
        {
            m_featurePassId =
                featurePassId;
        }

        public int AppendRuntimeStateHash(
            int hash,
            RenderPassEvent passEvent)
        {
            return RuntimeStateHashUtility.Combine(
                hash,
                (int)passEvent);
        }

        public void Create(
            RenderPassEvent passEvent)
        {
            if (m_pass == null)
            {
                m_pass = new NativeSceneFeaturePass(
                    m_featurePassId,
                    passEvent);
                return;
            }

            m_pass.Configure(passEvent);
        }

        public void EnqueuePass(
            ScriptableRenderer renderer,
            RenderingData renderingData,
            RenderPassEvent passEvent)
        {
            Create(passEvent);
            UniversalMainSceneFeatureUtility.EnqueuePass(
                renderer,
                renderingData,
                m_pass);
        }
    }
}