using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Cysharp.Threading.Tasks;
using ProjSG.Resource;

public class ShaderUtility
{

    public static void InitGlobalParams()
    {
        Shader.SetGlobalColor("_Gbl_Lgt", new Color(0.8f, 0.8f, 0.8f, 1));
        Shader.SetGlobalColor("_Gbl_Pnt", new Color(1, 1, 1, 1));
        Shader.SetGlobalColor("_Gbl_Amb", new Color(1, 1, 1, 1));
        Shader.SetGlobalColor("_Gbl_Spc", new Color(0.8f, 0.8f, 0.8f, 1));
        Shader.SetGlobalColor("_Gbl_Rim", new Color(1, 1, 1, 1));
        Shader.SetGlobalColor("_Gbl_Wat", new Color(1, 1, 1, 1));
    }

    [System.Obsolete("US2: Use WarmUpAllAsync. Sync loading removed. Final preload+cache pattern in T044.")]
    public static void WarmUpAll()
    {
        // US2: Sync AB loading removed. Use WarmUpAllAsync instead.
        Shader.WarmupAllShaders();
    }

    /// <summary>
    /// US2: Async shader warm up via YooAsset. Temporary API — will be replaced by preload+cache in T044.
    /// </summary>
    public static async UniTask WarmUpAllAsync()
    {
        if (AssetSource.isUseAssetBundle)
        {
            await YooAssetService.Instance.LoadAllAssetsAsync<Shader>("Assets/ResourcesOut/Shader");
        }
        Shader.WarmupAllShaders();
    }


}