[ME] Hide AlphaMask on all body materials, make alpha_a and `alph…

…a_b` hidden everywhere (#295)

When copying the body material, the name of the new material becomes something like "cf_m_body.MECopy1". Such a name allows it to escape from previous blacklist rule and expose the properties in Material Editor. Should resolve #228

src/MaterialEditor.Core/Core.MaterialEditor.cs

@@ -18,6 +18,7 @@
 using UniRx;
 using UnityEngine;
 using XUnity.ResourceRedirector;
+using System.Text.RegularExpressions;
 using static MaterialEditorAPI.MaterialAPI;
 #if AI || HS2
 using AIChara;
@@ -886,10 +887,11 @@ private static Shader LoadShader(string shaderName, string assetBundlePath, stri
 
 #if KK || EC || KKS
         public override bool CheckBlacklist(string materialName, string propertyName)
-        {
-            if (materialName == "cf_m_body" || materialName == "cm_m_body")
-                if (propertyName == "alpha_a" || propertyName == "alpha_b" || propertyName == "AlphaMask")
-                    return true;
+        {
+            if (propertyName == "alpha_a" || propertyName == "alpha_b") return true;
+
+            if (Regex.IsMatch(materialName, @"^c[mf]_m_body(" + Regex.Escape(MaterialCopyPostfix) + @"\d+)?$") && propertyName == "AlphaMask") return true;
+
             return false;
         }
 #endif