improve filtering

LightlessSync/Services/ModelDecimation/MdlDecimator.cs

@@ -1343,22 +1343,11 @@ internal static class MdlDecimator
             return false;
         }
 
-        return IsBodyMaterial(mdl.Materials[mesh.MaterialIndex]);
+        return ModelDecimationFilters.IsBodyMaterial(mdl.Materials[mesh.MaterialIndex]);
     }
 
     private static bool IsBodyMaterial(string materialPath)
-    {
+        => ModelDecimationFilters.IsBodyMaterial(materialPath);
-        if (string.IsNullOrWhiteSpace(materialPath))
-        {
-            return false;
-        }
-
-        var normalized = materialPath.Replace('\\', '/').ToLowerInvariant();
-        var nameStart = normalized.LastIndexOf('/');
-        var fileName = nameStart >= 0 ? normalized[(nameStart + 1)..] : normalized;
-        return fileName.Contains("_bibo", StringComparison.Ordinal)
-            || fileName.EndsWith("_a.mtrl", StringComparison.Ordinal);
-    }
 
     private sealed class BodyCollisionData
     {

LightlessSync/Services/ModelDecimation/ModelDecimationFilters.cs

@@ -0,0 +1,126 @@
+namespace LightlessSync.Services.ModelDecimation;
+
+internal static class ModelDecimationFilters
+{
+    // MODELS ONLY HERE, NOT MATERIALS
+    internal static readonly string[] HairPaths =
+    [
+        "/hair/",
+        "hir.mdl",
+    ];
+
+    internal static readonly string[] ClothingPaths =
+    [
+        "chara/equipment/",
+        "/equipment/",
+
+        "met.mdl",
+        "top.mdl",
+        "glv.mdl",
+        "dwn.mdl",
+        "sho.mdl",
+    ];
+
+    internal static readonly string[] AccessoryPaths =
+    [
+        "/accessory/",
+        "chara/accessory/",
+
+        "ear.mdl",
+        "nek.mdl",
+        "wrs.mdl",
+        "ril.mdl",
+        "rir.mdl",
+    ];
+
+    internal static readonly string[] BodyPaths =
+    [
+        "/body/",
+        "chara/equipment/e0000/model/",
+        "chara/equipment/e9903/model/",
+        "chara/equipment/e9903/model/",
+    ];
+
+    internal static readonly string[] FaceHeadPaths =
+    [
+        "/face/",
+        "/obj/face/",
+        "/head/",
+        "fac.mdl",
+    ];
+
+    internal static readonly string[] TailOrEarPaths =
+    [
+        "/tail/",
+        "/obj/tail/",
+        "/zear/",
+        "/obj/zear/",
+
+        "til.mdl",
+        "zer.mdl",
+    ];
+
+    // BODY MATERIALS ONLY, NOT MESHES
+    internal static readonly string[] BodyMaterials =
+    [
+        "_bibo",
+        "_a.mtrl",
+        "_b.mtrl",
+    ];
+
+    internal static string NormalizePath(string path)
+        => path.Replace('\\', '/').ToLowerInvariant();
+
+    internal static bool IsHairPath(string normalizedPath)
+        => ContainsAny(normalizedPath, HairPaths);
+
+    internal static bool IsClothingPath(string normalizedPath)
+        => ContainsAny(normalizedPath, ClothingPaths);
+
+    internal static bool IsAccessoryPath(string normalizedPath)
+        => ContainsAny(normalizedPath, AccessoryPaths);
+
+
+    internal static bool IsBodyPath(string normalizedPath)
+        => ContainsAny(normalizedPath, BodyPaths);
+
+    internal static bool IsFaceHeadPath(string normalizedPath)
+        => ContainsAny(normalizedPath, FaceHeadPaths);
+
+    internal static bool IsTailOrEarPath(string normalizedPath)
+        => ContainsAny(normalizedPath, TailOrEarPaths);
+
+    internal static bool ContainsAny(string normalizedPath, IReadOnlyList<string> markers)
+    {
+        for (var i = 0; i < markers.Count; i++)
+        {
+            if (normalizedPath.Contains(markers[i], StringComparison.Ordinal))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    internal static bool IsBodyMaterial(string materialPath)
+    {
+        if (string.IsNullOrWhiteSpace(materialPath))
+        {
+            return false;
+        }
+
+        var normalized = NormalizePath(materialPath);
+        var nameStart = normalized.LastIndexOf('/');
+        var fileName = nameStart >= 0 ? normalized[(nameStart + 1)..] : normalized;
+        foreach (var marker in BodyMaterials)
+        {
+            if (fileName.Contains(marker, StringComparison.Ordinal))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}

LightlessSync/Services/ModelDecimation/ModelDecimationService.cs

@@ -348,46 +348,40 @@ public sealed class ModelDecimationService
             return true;
         }
 
-        var normalized = NormalizeGamePath(gamePath);
+        var normalized = ModelDecimationFilters.NormalizePath(gamePath);
-        if (normalized.Contains("/hair/", StringComparison.Ordinal))
+        if (ModelDecimationFilters.IsHairPath(normalized))
         {
             return false;
         }
 
-        if (normalized.Contains("/chara/equipment/", StringComparison.Ordinal))
+        if (ModelDecimationFilters.IsClothingPath(normalized))
         {
             return _performanceConfigService.Current.ModelDecimationAllowClothing;
         }
 
-        if (normalized.Contains("/chara/accessory/", StringComparison.Ordinal))
+        if (ModelDecimationFilters.IsAccessoryPath(normalized))
         {
             return _performanceConfigService.Current.ModelDecimationAllowAccessories;
         }
 
-        if (normalized.Contains("/chara/human/", StringComparison.Ordinal))
+        if (ModelDecimationFilters.IsBodyPath(normalized))
-        {
-            if (normalized.Contains("/body/", StringComparison.Ordinal))
         {
             return _performanceConfigService.Current.ModelDecimationAllowBody;
         }
 
-            if (normalized.Contains("/face/", StringComparison.Ordinal) || normalized.Contains("/head/", StringComparison.Ordinal))
+        if (ModelDecimationFilters.IsFaceHeadPath(normalized))
         {
             return _performanceConfigService.Current.ModelDecimationAllowFaceHead;
         }
 
-            if (normalized.Contains("/tail/", StringComparison.Ordinal))
+        if (ModelDecimationFilters.IsTailOrEarPath(normalized))
         {
             return _performanceConfigService.Current.ModelDecimationAllowTail;
         }
-        }
 
         return true;
     }
 
-    private static string NormalizeGamePath(string path)
-        => path.Replace('\\', '/').ToLowerInvariant();
-
     private bool TryGetDecimationSettings(out ModelDecimationSettings settings)
     {
         settings = new ModelDecimationSettings(