// WL-816a — Play 중 오프스크린 캡처 + 룩 진단 (배치모드 헤드리스에서도 동작)
public static class WL816a_PlayCap
{
    const string Dir = "Screenshots_WL/WL816a/";
    const int W = 1080, H = 1920;

    public static void Run()
    {
        var sb = new System.Text.StringBuilder();
        sb.AppendLine("isPlaying=" + UnityEngine.Application.isPlaying);
        sb.AppendLine("FarmLook  : mode=" + WL.Look.Farm.WLFarmLook.AppliedMode + " · " + WL.Look.Farm.WLFarmLook.LastLog);
        sb.AppendLine("RefLook   : applied=" + WL.Look.Arena.WLReferenceLook.IsApplied
                    + " · outlined=" + WL.Look.Arena.WLReferenceLook.OutlinedRenderers
                    + " · contrastMat=" + WL.Look.Arena.WLReferenceLook.ContrastMaterials
                    + " · rim=" + WL.Look.Arena.WLReferenceLook.RimRenderers
                    + " · " + WL.Look.Arena.WLReferenceLook.LastLog);
        sb.AppendLine("ambient   : " + UnityEngine.RenderSettings.ambientMode + " " + UnityEngine.RenderSettings.ambientLight
                    + " · skybox=" + (UnityEngine.RenderSettings.skybox != null ? UnityEngine.RenderSettings.skybox.name : "없음"));
        var ls = UnityEngine.Object.FindObjectsByType<UnityEngine.Light>(UnityEngine.FindObjectsInactive.Exclude, UnityEngine.FindObjectsSortMode.None);
        for (int i = 0; i < ls.Length; i++)
            sb.AppendLine("light     : " + ls[i].name + " " + ls[i].type + " " + ls[i].color + " I=" + ls[i].intensity + " " + ls[i].shadows);

        Shot(FindCam("MainCamera"), Dir + "p_play_main.png");
        Shot(DemoAngleCam(), Dir + "p_play_demoangle.png");
        sb.AppendLine("캡처 p_play_main.png · p_play_demoangle.png");
        UnityEngine.Debug.Log("[WL816a PlayCap]\n" + sb.ToString());
    }

    static UnityEngine.Camera DemoAngleCam()
    {
        var go = UnityEngine.GameObject.Find("__WL816aDemoAngle");
        if (go == null) { go = new UnityEngine.GameObject("__WL816aDemoAngle"); go.hideFlags = UnityEngine.HideFlags.DontSave; }
        var c = go.GetComponent<UnityEngine.Camera>();
        if (c == null) c = go.AddComponent<UnityEngine.Camera>();
        c.orthographic = true; c.orthographicSize = 10f;
        c.nearClipPlane = 0.3f; c.farClipPlane = 500f;
        c.clearFlags = UnityEngine.CameraClearFlags.Skybox;
        c.backgroundColor = new UnityEngine.Color(0.192f, 0.302f, 0.475f, 0f);
        c.depth = -100f;
        var rot = UnityEngine.Quaternion.Euler(30f, 60f, 0f);
        go.transform.rotation = rot;
        go.transform.position = new UnityEngine.Vector3(0f, 0.6f, 0f) - rot * UnityEngine.Vector3.forward * 60f;
        if (go.GetComponent<UnityEngine.Rendering.Universal.UniversalAdditionalCameraData>() == null)
            go.AddComponent<UnityEngine.Rendering.Universal.UniversalAdditionalCameraData>();
        return c;
    }

    static UnityEngine.Camera FindCam(string name)
    {
        var cams = UnityEngine.Object.FindObjectsByType<UnityEngine.Camera>(
            UnityEngine.FindObjectsInactive.Exclude, UnityEngine.FindObjectsSortMode.None);
        for (int i = 0; i < cams.Length; i++) if (cams[i].name == name) return cams[i];
        return cams.Length > 0 ? cams[0] : null;
    }

    static void Shot(UnityEngine.Camera cam, string path)
    {
        if (cam == null) return;
        var rt = new UnityEngine.RenderTexture(W, H, 24, UnityEngine.RenderTextureFormat.ARGB32, UnityEngine.RenderTextureReadWrite.sRGB);
        rt.antiAliasing = 1;
        var pT = cam.targetTexture; var pA = UnityEngine.RenderTexture.active;
        cam.targetTexture = rt; cam.Render();
        UnityEngine.RenderTexture.active = rt;
        var tex = new UnityEngine.Texture2D(W, H, UnityEngine.TextureFormat.RGB24, false);
        tex.ReadPixels(new UnityEngine.Rect(0, 0, W, H), 0, 0); tex.Apply();
        UnityEngine.RenderTexture.active = pA; cam.targetTexture = pT;
        var d = System.IO.Path.GetDirectoryName(path);
        if (!System.IO.Directory.Exists(d)) System.IO.Directory.CreateDirectory(d);
        System.IO.File.WriteAllBytes(path, UnityEngine.ImageConversion.EncodeToPNG(tex));
        UnityEngine.Object.DestroyImmediate(tex); UnityEngine.Object.DestroyImmediate(rt);
    }
}