add inheriting for meta color & group

src/DebugUtils/MetaAttributes/MetaColorAttribute.cs

@@ -26,6 +26,7 @@ namespace DCFApixels.DragonECS
     public sealed class MetaColorAttribute : EcsMetaAttribute, IMetaColor
     {
         public readonly MetaColor color;
+        public readonly Type InheritingColorType;
 
         #region Properties
         public byte R
@@ -71,6 +72,10 @@ namespace DCFApixels.DragonECS
         {
             color = new MetaColor(colorCode, true);
         }
+        public MetaColorAttribute(Type inheritingColorType)
+        {
+            InheritingColorType = inheritingColorType;
+        }
         #endregion
     }
     [Serializable]

src/DebugUtils/MetaAttributes/MetaGroupAttribute.cs

@@ -12,61 +12,102 @@ namespace DCFApixels.DragonECS
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
     public sealed class MetaGroupAttribute : EcsMetaAttribute
     {
-        public const char SEPARATOR = '/';
-        public readonly MetaGroup Data;
+        public const char SEPARATOR = MetaGroup.SEPARATOR;
+        public readonly Type InheritingGroupType = null;
+        public readonly string RelativeName = string.Empty;
 
         [Obsolete(EcsMetaAttributeHalper.EMPTY_NO_SENSE_MESSAGE)]
-        public MetaGroupAttribute() { Data = MetaGroup.Empty; }
-        public MetaGroupAttribute(string name) { Data = new MetaGroup(name); }
-        public MetaGroupAttribute(params string[] path) : this(string.Join(SEPARATOR, path)) { }
+        public MetaGroupAttribute() { }
+        public MetaGroupAttribute(string name) { RelativeName = name; }
+        public MetaGroupAttribute(params string[] path) { RelativeName = string.Join(SEPARATOR, path); }
+        public MetaGroupAttribute(Type inheritingGroupType) { InheritingGroupType = inheritingGroupType; }
+        public MetaGroupAttribute(Type inheritingGroupType, string relativeName)
+        {
+            InheritingGroupType = inheritingGroupType;
+            RelativeName = relativeName;
+        }
+        public MetaGroupAttribute(Type inheritingGroupType, params string[] relativePath)
+        {
+            InheritingGroupType = inheritingGroupType;
+            RelativeName = string.Join(SEPARATOR, relativePath);
+        }
     }
     [DebuggerDisplay("{Name}")]
     public class MetaGroup
     {
-        public const char SEPARATOR = MetaGroupAttribute.SEPARATOR;
+        public const char SEPARATOR = '/';
+        private const string SEPARATOR_STR = "/";
         public const string UNGROUPED = "<UNGROUPED>";
         private const string PATTERN = @"Module(?=/)";
-        public static readonly MetaGroup Empty = new MetaGroup(UNGROUPED);
+        public static readonly MetaGroup Empty = new MetaGroup(null, UNGROUPED);
 
+        public readonly MetaGroup ParentGroup;
         public readonly string Name;
-        private string[] _path = null;
+        private string[] _splited = null;
         public IReadOnlyCollection<string> Splited
         {
             get
             {
-                if (_path == null)
+                if (_splited == null)
                 {
-                    _path = EcsMetaAttributeHalper.Split(SEPARATOR, Name);
+                    _splited = EcsMetaAttributeHalper.Split(SEPARATOR, Name);
                 }
-                return _path;
+                return _splited;
             }
         }
         public bool IsEmpty
         {
             get { return this == Empty; }
         }
-        public MetaGroup(string name)
+        private MetaGroup(MetaGroup parentGroup, string name)
         {
             if (string.IsNullOrEmpty(name))
             {
                 Name = UNGROUPED;
                 return;
             }
-            name = name.Replace('\\', SEPARATOR);
+            name = Regex.Replace(name, @"(\s*[\/\\]+\s*)+", SEPARATOR_STR).Trim();
             if (name[name.Length - 1] != SEPARATOR)
             {
                 name += SEPARATOR;
             }
+            if (name[0] == SEPARATOR)
+            {
+                name = name.Substring(1);
+            }
             Name = Regex.Replace(name, PATTERN, "");
             Name = string.Intern(Name);
         }
+        public static MetaGroup FromName(string name)
+        {
+            return FromName(null, name);
+        }
+        public static MetaGroup FromName(MetaGroup parentGroup, string name)
+        {
+            if(parentGroup == null || parentGroup == Empty)
+            {
+                if (string.IsNullOrWhiteSpace(name))
+                {
+                    return Empty;
+                }
+                return new MetaGroup(null, name);
+            }
+            else
+            {
+                if (string.IsNullOrWhiteSpace(name))
+                {
+                    return new MetaGroup(parentGroup, parentGroup.Name);
+                }
+                return new MetaGroup(parentGroup, parentGroup.Name + name);
+            }
+        }
         public static MetaGroup FromNameSpace(Type type)
         {
             if (string.IsNullOrWhiteSpace(type.Namespace))
             {
                 return Empty;
             }
-            return new MetaGroup(type.Namespace.Replace('.', SEPARATOR));
+            return new MetaGroup(null, type.Namespace.Replace('.', SEPARATOR));
         }
         public override string ToString() { return Name; }
     }

src/DebugUtils/TypeMeta.cs

@@ -86,7 +86,7 @@ namespace DCFApixels.DragonECS
                 _typeName = NULL_NAME,
                 _color = new MetaColor(MetaColor.Black),
                 _description = new MetaDescription("", NULL_NAME),
-                _group = new MetaGroup(""),
+                _group = MetaGroup.Empty,
                 _tags = Array.Empty<string>(),
                 _metaID = string.Empty,
                 _typeCode = EcsTypeCodeManager.Get(typeof(void)),
@@ -508,7 +508,6 @@ namespace DCFApixels.DragonECS
             #endregion
 
             #region GetColor
-
             private static MetaColor AutoColor(TypeMeta meta)
             {
                 int hash;
@@ -522,14 +521,22 @@ namespace DCFApixels.DragonECS
                 }
                 return MetaColor.FromHashCode(hash).UpContrast();
             }
+            private static MetaColor GetColorFromAttribute(MetaColorAttribute atr)
+            {
+                if(atr.InheritingColorType == null)
+                {
+                    return atr.color;
+                }
+                return atr.InheritingColorType.ToMeta().Color;
+            }
             public static (MetaColor, bool) GetColor(TypeMeta meta)
             {
 #if DEBUG || !REFLECTION_DISABLED //в дебажных утилитах REFLECTION_DISABLED только в релизном билде работает
                 bool isCustom = meta.Type.TryGetAttribute(out MetaColorAttribute atr);
-                return (isCustom ? atr.color : AutoColor(meta), isCustom);
+                return (isCustom ? GetColorFromAttribute(atr) : AutoColor(meta), isCustom);
 #else
                 EcsDebug.PrintWarning($"Reflection is not available, the {nameof(MetaGenerator)}.{nameof(GetColor)} method does not work.");
-                return (AutoColor(type), false);
+                return (MetaColor.White, false);
 #endif
             }
             #endregion
@@ -538,7 +545,7 @@ namespace DCFApixels.DragonECS
             public static MetaGroup GetGroup(Type type)
             {
 #if DEBUG || !REFLECTION_DISABLED //в дебажных утилитах REFLECTION_DISABLED только в релизном билде работает
-                return type.TryGetAttribute(out MetaGroupAttribute atr) ? atr.Data : MetaGroup.FromNameSpace(type);
+                return type.TryGetAttribute(out MetaGroupAttribute atr) ? MetaGroup.FromName(atr.InheritingGroupType.GetMeta().Group, atr.RelativeName) : MetaGroup.FromNameSpace(type);
 #else
                 EcsDebug.PrintWarning($"Reflection is not available, the {nameof(MetaGenerator)}.{nameof(GetGroup)} method does not work.");
                 return MetaGroup.Empty;