// WL-816e 실측 프로브 2 — 섬 타일 윗면 기하 · 길 메시 · Island01 텍스처 · 816a 머티리얼 값
public static class WL816e_Probe2
{
    public static void Run()
    {
        var sb = new System.Text.StringBuilder();

        // ── Island01.png 픽셀 ──────────────────────────────────────────
        var tex = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Texture2D>("Assets/FarmingIsland/Textures/Islands/Island01.png");
        sb.AppendLine("=== Island01.png " + (tex == null ? "null" : tex.width + "x" + tex.height + " fmt=" + tex.format) + " ===");
        if (tex != null)
        {
            var path = UnityEditor.AssetDatabase.GetAssetPath(tex);
            var imp = UnityEditor.AssetImporter.GetAtPath(path) as UnityEditor.TextureImporter;
            sb.AppendLine("  readable=" + (imp == null ? "?" : imp.isReadable.ToString()) + " filter=" + tex.filterMode + " wrap=" + tex.wrapMode);
            try
            {
                for (int y = tex.height - 1; y >= 0; y--)
                {
                    var line = new System.Text.StringBuilder("  y" + y + ": ");
                    for (int x = 0; x < tex.width; x++)
                    {
                        var c = tex.GetPixel(x, y);
                        line.Append("(" + c.r.ToString("F2") + "," + c.g.ToString("F2") + "," + c.b.ToString("F2") + ") ");
                    }
                    sb.AppendLine(line.ToString());
                }
            }
            catch (System.Exception e) { sb.AppendLine("  픽셀 읽기 실패: " + e.Message); }
        }

        // ── 816a 머티리얼 값 ───────────────────────────────────────────
        string[] mp = {
            "Assets/WL/Look/Farm/Materials/Farm_Island01_ToonTex.mat",
            "Assets/WL/Look/Farm/Materials/Farm_Palette_ToonTex.mat",
            "Assets/WL/Look/Farm/Materials/Farm_Road01_ToonTex.mat",
            "Assets/FarmingIsland/Materials/Islands/Island01.mat",
            "Assets/FarmingIsland/Materials/Roads/Road01.mat",
        };
        for (int i = 0; i < mp.Length; i++)
        {
            var m = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Material>(mp[i]);
            if (m == null) { sb.AppendLine("MAT 없음 " + mp[i]); continue; }
            sb.AppendLine("MAT " + m.name + " shader=" + m.shader.name);
            string[] keys = { "_DiffuseColor", "_ShadowDiffuseColor", "_BaseColor", "_Color", "_Shades", "_Brightness", "_MinimumDarkness", "_AmbientStrength", "_Outline", "_OutlineThickness" };
            for (int k = 0; k < keys.Length; k++)
            {
                if (!m.HasProperty(keys[k])) continue;
                int id = UnityEngine.Shader.PropertyToID(keys[k]);
                if (keys[k].Contains("Color") || keys[k] == "_Outline") sb.AppendLine("    " + keys[k] + "=" + m.GetColor(id).ToString("F4"));
                else sb.AppendLine("    " + keys[k] + "=" + m.GetFloat(id).ToString("F4"));
            }
            if (m.HasProperty("_BaseMap")) { var t = m.GetTexture("_BaseMap"); sb.AppendLine("    _BaseMap=" + (t == null ? "none" : t.name)); }
        }

        // ── Level01: 섬 메시 목록 · 윗면 기하 · 길 메시 ──────────────────
        UnityEditor.SceneManagement.EditorSceneManager.OpenScene("Assets/FarmingIsland/Scenes/Level01.unity",
            UnityEditor.SceneManagement.OpenSceneMode.Single);
        var mgr = UnityEngine.Object.FindFirstObjectByType<CryingSnow.FarmingIsland.IslandManager>(UnityEngine.FindObjectsInactive.Include);
        var t1 = typeof(CryingSnow.FarmingIsland.IslandManager);
        var fIsl = t1.GetField("islandMeshes", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
        var fRoad = t1.GetField("roadMeshes", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
        var islMeshes = fIsl.GetValue(mgr) as System.Collections.Generic.List<UnityEngine.Mesh>;
        var roadMeshes = fRoad.GetValue(mgr) as System.Collections.Generic.List<UnityEngine.Mesh>;
        sb.AppendLine("=== islandMeshes " + (islMeshes == null ? 0 : islMeshes.Count) + " · roadMeshes " + (roadMeshes == null ? 0 : roadMeshes.Count) + " ===");

        for (int i = 0; islMeshes != null && i < islMeshes.Count && i < 50; i++)
        {
            var m = islMeshes[i];
            if (m == null) { sb.AppendLine("  isl[" + i + "] null"); continue; }
            TopFace(m, sb, "  isl[" + i + "] " + m.name);
        }
        for (int i = 0; roadMeshes != null && i < roadMeshes.Count; i++)
        {
            var m = roadMeshes[i];
            if (m == null) { sb.AppendLine("  road[" + i + "] null"); continue; }
            TopFace(m, sb, "  road[" + i + "] " + m.name);
        }

        // ── 마스크 그림(메시 47 · 0 · 46) ───────────────────────────────
        int[] show = { 47, 0, 46, 33 };
        for (int s = 0; s < show.Length; s++)
        {
            if (islMeshes == null || show[s] >= islMeshes.Count) continue;
            Ascii(islMeshes[show[s]], sb, "ISLAND MASK [" + show[s] + "] " + islMeshes[show[s]].name, 0.001f);
        }
        if (roadMeshes != null && roadMeshes.Count > 15) Ascii(roadMeshes[15], sb, "ROAD MASK [15] " + roadMeshes[15].name, 0.001f);
        if (roadMeshes != null && roadMeshes.Count > 5) Ascii(roadMeshes[5], sb, "ROAD MASK [5] " + roadMeshes[5].name, 0.001f);

        UnityEngine.Debug.Log(sb.ToString());
    }

    static void TopFace(UnityEngine.Mesh m, System.Text.StringBuilder sb, string label)
    {
        var v = m.vertices; var tri = m.triangles;
        int upTri = 0; float area = 0f; float maxY = -9999f, topY = -9999f;
        for (int i = 0; i < v.Length; i++) if (v[i].y > maxY) maxY = v[i].y;
        for (int i = 0; i + 2 < tri.Length; i += 3)
        {
            var a = v[tri[i]]; var b = v[tri[i + 1]]; var c = v[tri[i + 2]];
            var n = UnityEngine.Vector3.Cross(b - a, c - a);
            if (n.y <= 0f) continue;
            float ay = (a.y + b.y + c.y) / 3f;
            if (ay < maxY - 0.05f) continue;
            upTri++;
            area += n.magnitude * 0.5f;
            if (ay > topY) topY = ay;
        }
        sb.AppendLine(label + " verts=" + v.Length + " tris=" + (tri.Length / 3) + " bounds=" + m.bounds.ToString()
                      + " maxY=" + maxY.ToString("F3") + " 윗면tri=" + upTri + " 윗면면적=" + area.ToString("F2") + "㎡");
    }

    static void Ascii(UnityEngine.Mesh m, System.Text.StringBuilder sb, string label, float eps)
    {
        sb.AppendLine("--- " + label + " (32x32 over local -4..4) ---");
        var v = m.vertices; var tri = m.triangles;
        float maxY = -9999f;
        for (int i = 0; i < v.Length; i++) if (v[i].y > maxY) maxY = v[i].y;
        for (int r = 31; r >= 0; r--)
        {
            var line = new System.Text.StringBuilder("  ");
            for (int c = 0; c < 32; c++)
            {
                float x = -4f + (c + 0.5f) * 0.25f;
                float z = -4f + (r + 0.5f) * 0.25f;
                line.Append(Inside(v, tri, x, z, maxY) ? '#' : '.');
            }
            sb.AppendLine(line.ToString());
        }
    }

    static bool Inside(UnityEngine.Vector3[] v, int[] tri, float px, float pz, float maxY)
    {
        for (int i = 0; i + 2 < tri.Length; i += 3)
        {
            var a = v[tri[i]]; var b = v[tri[i + 1]]; var c = v[tri[i + 2]];
            var n = UnityEngine.Vector3.Cross(b - a, c - a);
            if (n.y <= 0f) continue;
            if ((a.y + b.y + c.y) / 3f < maxY - 0.05f) continue;
            float d1 = (px - b.x) * (a.z - b.z) - (a.x - b.x) * (pz - b.z);
            float d2 = (px - c.x) * (b.z - c.z) - (b.x - c.x) * (pz - c.z);
            float d3 = (px - a.x) * (c.z - a.z) - (c.x - a.x) * (pz - a.z);
            bool neg = (d1 < 0) || (d2 < 0) || (d3 < 0);
            bool pos = (d1 > 0) || (d2 > 0) || (d3 > 0);
            if (!(neg && pos)) return true;
        }
        return false;
    }
}