using XCEngine;
using XCEngine.Rendering;

namespace XCEngine.Rendering.Renderer
{
    public abstract class RendererBackedRenderPipelineAsset
        : ScriptableRenderPipelineAsset
    {
        protected RendererBackedRenderPipelineAsset()
        {
        }

        protected internal override ScriptableRenderPipeline CreatePipeline()
        {
            ScriptableRendererData rendererData =
                ResolveRendererData();
            return rendererData != null
                ? new RendererDrivenRenderPipeline(rendererData)
                : null;
        }

        protected internal override void ConfigureCameraRenderRequest(
            ScriptableRenderPipelineCameraRequestContext context)
        {
            ScriptableRendererData rendererData =
                ResolveRendererData();
            if (rendererData != null)
            {
                rendererData.ConfigureCameraRenderRequestInstance(
                    context);
            }
        }

        protected internal override void ConfigureCameraFramePlan(
            ScriptableRenderPipelinePlanningContext context)
        {
            ScriptableRendererData rendererData =
                ResolveRendererData();
            if (rendererData != null)
            {
                rendererData.ConfigureCameraFramePlanInstance(
                    context);
            }
        }

        protected abstract ScriptableRendererData GetRendererData();

        private ScriptableRendererData ResolveRendererData()
        {
            return GetRendererData();
        }
    }
}