using System;
using XCEngine;
using XCEngine.Rendering;

namespace XCEngine.Rendering.Universal
{
    public class UniversalRendererData : ScriptableRendererData
    {
        public UniversalMainSceneData mainScene;
        public ShadowCasterBlockData shadowCaster;
        public DepthPrepassBlockData depthPrepass;

        public UniversalRendererData()
            : this(true)
        {
        }

        protected UniversalRendererData(
            bool initializeDefaultRendererFeatures)
        {
            mainScene = UniversalMainSceneData.CreateDefault();
            shadowCaster = ShadowCasterBlockData.CreateDefault();
            depthPrepass = DepthPrepassBlockData.CreateDefault();
            if (initializeDefaultRendererFeatures)
            {
                ResetRendererFeaturesToDefault();
            }
        }

        protected override ScriptableRenderer CreateRenderer()
        {
            return new UniversalRenderer(this);
        }

        protected override ScriptableRendererFeature[]
        CreateDefaultRendererFeatures()
        {
            return UniversalDefaultRendererFeatureFactory
                .CreateDefaultRendererFeatures();
        }

        internal UniversalMainSceneData GetMainSceneInstance()
        {
            if (mainScene == null)
            {
                mainScene =
                    UniversalMainSceneData.CreateDefault();
            }

            return mainScene;
        }

        internal ShadowCasterBlockData GetShadowCasterBlockInstance()
        {
            if (shadowCaster == null)
            {
                shadowCaster =
                    ShadowCasterBlockData.CreateDefault();
            }

            return shadowCaster;
        }

        internal DepthPrepassBlockData GetDepthPrepassBlockInstance()
        {
            if (depthPrepass == null)
            {
                depthPrepass =
                    DepthPrepassBlockData.CreateDefault();
            }

            return depthPrepass;
        }
    }
}