using XCEngine;

namespace XCEngine.Rendering
{
    public abstract class ScriptableRenderPipelineAsset : RenderPipelineAsset
    {
        private int m_runtimeResourceVersion = 1;

        protected ScriptableRenderPipelineAsset()
        {
        }

        internal void ReleaseRuntimeResourcesInstance()
        {
            ReleaseRuntimeResources();
        }

        internal void ConfigureCameraFramePlanInstance(
            ScriptableRenderPipelinePlanningContext context)
        {
            ConfigureCameraFramePlan(context);
        }

        internal int GetRuntimeResourceVersionInstance()
        {
            SynchronizeRuntimeResourceVersion();
            return m_runtimeResourceVersion;
        }

        protected virtual ScriptableRenderPipeline CreatePipeline()
        {
            return null;
        }

        protected virtual void ConfigureCameraRenderRequest(
            CameraRenderRequestContext context)
        {
        }

        protected virtual void ConfigureCameraFramePlan(
            ScriptableRenderPipelinePlanningContext context)
        {
        }

        protected virtual FinalColorSettings GetDefaultFinalColorSettings()
        {
            return FinalColorSettings.CreateDefault();
        }

        protected virtual string GetPipelineRendererAssetKey()
        {
            return string.Empty;
        }

        protected virtual string GetPipelineRendererAssetKeyContextual(
            int rendererIndex)
        {
            return GetPipelineRendererAssetKey();
        }

        protected virtual bool UsesNativeCameraFramePlanBaseline()
        {
            return false;
        }

        protected virtual bool UsesNativeCameraFramePlanBaselineContextual(
            int rendererIndex)
        {
            return UsesNativeCameraFramePlanBaseline();
        }

        protected virtual string GetRenderSceneSetupPolicyAssetKey()
        {
            return string.Empty;
        }

        protected virtual string
            GetRenderSceneSetupPolicyAssetKeyContextual(
                int rendererIndex)
        {
            return GetRenderSceneSetupPolicyAssetKey();
        }

        protected virtual string GetCameraFrameStandalonePassAssetKey(
            CameraFrameStage stage)
        {
            return string.Empty;
        }

        protected virtual string
            GetCameraFrameStandalonePassAssetKeyContextual(
                CameraFrameStage stage,
                int rendererIndex)
        {
            return GetCameraFrameStandalonePassAssetKey(
                stage);
        }

        protected virtual string
            GetDirectionalShadowPlanningPolicyAssetKey()
        {
            return string.Empty;
        }

        protected virtual string
            GetDirectionalShadowExecutionPolicyAssetKey()
        {
            return string.Empty;
        }

        protected virtual string
            GetDirectionalShadowExecutionPolicyAssetKeyContextual(
                int rendererIndex)
        {
            return GetDirectionalShadowExecutionPolicyAssetKey();
        }

        protected virtual void ReleaseRuntimeResources()
        {
        }

        protected virtual void SynchronizeRuntimeResourceVersion()
        {
        }

        protected void SetDirty()
        {
            ReleaseRuntimeResources();

            unchecked
            {
                ++m_runtimeResourceVersion;
            }

            if (m_runtimeResourceVersion <= 0)
            {
                m_runtimeResourceVersion = 1;
            }
        }
    }
}