// ToonTerrain 이 터레인 스플랫(_Control) 을 실제로 쓰는지 최종 판정.
// R=마젠타 · G=시안 으로 동시에 바꾼 뒤 아레나 카메라(각도 43.61°)와 탑다운 둘 다 찍는다.
public static class WL814q_Probe3
{
    const string ScenePath = "Assets/WL/Look/Arena/Scenes/WL_ArenaProto.unity";
    const string NewMat = "Assets/WL/Look/Arena/Materials/WL_ArenaTerrain.mat";

    static UnityEngine.Texture2D Shot(UnityEngine.Camera cam, int w, int h)
    {
        var rt = new UnityEngine.RenderTexture(w, h, 24, UnityEngine.RenderTextureFormat.ARGB32,
            UnityEngine.RenderTextureReadWrite.sRGB);
        rt.Create(); cam.targetTexture = rt; cam.Render();
        var old = UnityEngine.RenderTexture.active; 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 = old; cam.targetTexture = null;
        rt.Release(); UnityEngine.Object.DestroyImmediate(rt);
        return tex;
    }

    static string Px(UnityEngine.Texture2D t, int x, int y)
    {
        var c = t.GetPixel(x, y);
        return string.Format("({0},{1},{2})", (int)(c.r * 255), (int)(c.g * 255), (int)(c.b * 255));
    }

    public static string Run()
    {
        var sb = new System.Text.StringBuilder();
        var m = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Material>(NewMat);
        var red = m.GetColor("_RedHighlight"); var grn = m.GetColor("_GreenHighlight");
        m.SetColor("_RedHighlight", new UnityEngine.Color(1f, 0f, 1f, 0f));   // 마젠타
        m.SetColor("_GreenHighlight", new UnityEngine.Color(0f, 1f, 1f, 0f)); // 시안
        UnityEditor.EditorUtility.SetDirty(m); UnityEditor.AssetDatabase.SaveAssets();

        UnityEditor.SceneManagement.EditorSceneManager.OpenScene(ScenePath,
            UnityEditor.SceneManagement.OpenSceneMode.Single);
        UnityEngine.Camera cam = null;
        foreach (var c in UnityEngine.Object.FindObjectsByType<UnityEngine.Camera>(UnityEngine.FindObjectsSortMode.None))
            if (c.gameObject.name == "Main Camera") cam = c;
        for (int i = 0; i < 3; i++) UnityEngine.Object.DestroyImmediate(Shot(cam, 64, 64));

        var a = Shot(cam, 540, 960);   // 아레나 도트A 각도 · 화면 전부가 반경 5 m 안쪽(스플랫상 흙 1.0)
        sb.AppendLine("arena-cam(ortho3.4) 지면: " + Px(a, 120, 620) + " " + Px(a, 430, 200) + " " + Px(a, 270, 350));
        UnityEngine.Object.DestroyImmediate(a);

        cam.orthographic = true; cam.orthographicSize = 22f;
        cam.transform.position = new UnityEngine.Vector3(0f, 30f, 0f);
        cam.transform.rotation = UnityEngine.Quaternion.Euler(90f, 0f, 0f);
        var b = Shot(cam, 540, 960);
        // (270,480)=중앙(캐릭터가 있으니 살짝 비켜서 샘플) · 안쪽 r≈4 m · 바깥 r≈20 m
        sb.AppendLine("top-down 중앙옆(r~2m): " + Px(b, 300, 480) + "  r~5m: " + Px(b, 340, 560)
            + "  r~20m: " + Px(b, 60, 100) + " " + Px(b, 500, 880));
        UnityEngine.Object.DestroyImmediate(b);

        m.SetColor("_RedHighlight", red); m.SetColor("_GreenHighlight", grn);
        UnityEditor.EditorUtility.SetDirty(m); UnityEditor.AssetDatabase.SaveAssets();
        sb.AppendLine("restored R=" + m.GetColor("_RedHighlight") + " G=" + m.GetColor("_GreenHighlight"));
        return sb.ToString();
    }
}