Add MetaIDAttribute

src/DebugUtils/MetaAttributes/MetaIDAttribute.cs

@@ -1,13 +1,12 @@
 using DCFApixels.DragonECS.Internal;
 using System;
-using System.Collections.Generic;
 
 namespace DCFApixels.DragonECS
 {
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
     public sealed class MetaIDAttribute : EcsMetaAttribute
     {
-        private static HashSet<string> _ids;
+        //private static HashSet<string> _ids = new HashSet<string>();
 
         public readonly string ID;
         public MetaIDAttribute(string id)
@@ -16,12 +15,41 @@ namespace DCFApixels.DragonECS
             {
                 Throw.ArgumentNull(nameof(id));
             }
-            if (_ids.Add(id))
+            if (id.Contains(','))
             {
-                //TODO перевести ексепшен
+                Throw.ArgumentException($"Аргумент {nameof(id)} не может содержать символ запятой ','");
-                Throw.ArgumentException($"Дублирование MetaID: {ID}");
             }
+            //if (_ids.Add(id) == false) //этот ексепшен не работает, так как атрибуты не кешируются а пересоздаются
+            //{
+            //    //TODO перевести ексепшен
+            //    Throw.ArgumentException($"Дублирование MetaID: {id}");
+            //}
             ID = id;
         }
     }
+
+    public static class MetaIDUtility
+    {
+        public static unsafe string GenerateNewUniqueID()
+        {
+            long ticks = DateTime.Now.Ticks;
+            byte* hibits = stackalloc byte[8];
+            hibits = (byte*)ticks;
+
+            byte[] byteArray = Guid.NewGuid().ToByteArray();
+
+            fixed (byte* ptr = byteArray)
+            {
+                for (int i = 0; i < 8; i++)
+                {
+                    byteArray[i] = hibits[i];
+                }
+            }
+            return BitConverter.ToString(byteArray).Replace("-", "");
+        }
+        public static unsafe string GenerateNewUniqueIDWithAttribute()
+        {
+            return $"[MetaID(\"{GenerateNewUniqueID()}\")]";
+        }
+    }
 }

src/DebugUtils/TypeMeta.cs

@@ -65,6 +65,25 @@ namespace DCFApixels.DragonECS
             get { return null; }
         }
 
+        private static bool CheckEcsMemener(Type checkedType)
+        {
+#if (DEBUG && !DISABLE_DEBUG) || !REFLECTION_DISABLED
+            return checkedType.IsInterface == false && checkedType.IsAbstract == false && typeof(IEcsMember).IsAssignableFrom(checkedType);
+#else
+            EcsDebug.PrintWarning($"Reflection is not available, the {nameof(MetaGenerator)}.{nameof(GetTags)} method does not work.");
+            return false;
+#endif
+        }
+        public static bool IsHasMeta(Type type)
+        {
+#if (DEBUG && !DISABLE_DEBUG) || !REFLECTION_DISABLED
+            return (CheckEcsMemener(type) || Attribute.GetCustomAttributes(type, typeof(EcsMetaAttribute), false).Length > 0);
+#else
+            EcsDebug.PrintWarning($"Reflection is not available, the {nameof(MetaGenerator)}.{nameof(GetTags)} method does not work.");
+            return false;
+#endif
+        }
+
         #region Constructors
         public static TypeMeta Get(Type type)
         {