update debug

src/Debug/EcsDebugUtility.cs

@@ -384,6 +384,10 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region GetCachedTypeMeta
+        public static TypeMetaDataCached GetMeta(this object self)
+        {
+            return GetCachedTypeMeta(self);
+        }
         private static readonly Dictionary<Type, TypeMetaDataCached> _metaCache = new Dictionary<Type, TypeMetaDataCached>();
         public static TypeMetaDataCached GetCachedTypeMeta(object obj)
         {

src/Debug/MetaAttributes/EcsMetaAttribute.cs

@@ -0,0 +1,6 @@
+using System;
+
+namespace DCFApixels.DragonECS
+{
+    public abstract class EcsMetaAttribute : Attribute { }
+}

src/Debug/MetaAttributes/MetaColorAttribute.cs

@@ -4,7 +4,7 @@ using System.Runtime.InteropServices;
 namespace DCFApixels.DragonECS
 {
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
-    public sealed class MetaColorAttribute : Attribute
+    public sealed class MetaColorAttribute : EcsMetaAttribute
     {
         public readonly MetaColor color;
         public byte R => color.r;

src/Debug/MetaAttributes/MetaDescriptionAttribute.cs

@@ -3,7 +3,7 @@
 namespace DCFApixels.DragonECS
 {
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
-    public sealed class MetaDescriptionAttribute : Attribute
+    public sealed class MetaDescriptionAttribute : EcsMetaAttribute
     {
         public readonly string description;
         public MetaDescriptionAttribute(string description) => this.description = description;

src/Debug/MetaAttributes/MetaGroupAttribute.cs

@@ -4,7 +4,7 @@ using System.Text.RegularExpressions;
 namespace DCFApixels.DragonECS
 {
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
-    public sealed class MetaGroupAttribute : Attribute
+    public sealed class MetaGroupAttribute : EcsMetaAttribute
     {
         public static readonly MetaGroupAttribute Empty = new MetaGroupAttribute("");
         public readonly string name;

src/Debug/MetaAttributes/MetaNameAttribute.cs

@@ -3,7 +3,7 @@
 namespace DCFApixels.DragonECS
 {
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
-    public sealed class MetaNameAttribute : Attribute
+    public sealed class MetaNameAttribute : EcsMetaAttribute
     {
         public readonly string name;
         public MetaNameAttribute(string name) => this.name = name;

src/Debug/MetaAttributes/MetaTagsAttribute.cs

@@ -5,9 +5,9 @@ using System.Linq;
 namespace DCFApixels.DragonECS
 {
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
-    public sealed class MetaTagsAttribute : Attribute
+    public sealed class MetaTagsAttribute : EcsMetaAttribute
     {
-        private readonly string[] _tags;
+        private readonly string[] _tags = Array.Empty<string>();
         public IReadOnlyCollection<string> Tags => _tags;
 
         [Obsolete("With empty parameters, this attribute makes no sense.", true)]