fixes for support unity 2020.1.x

src/Collections/EcsSpan.cs

@@ -28,7 +28,7 @@ namespace DCFApixels.DragonECS
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get => _values.Length;
         }
-        public readonly int this[int index]
+        public int this[int index]
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get => _values[index];

src/DataInterfaces.cs

@@ -75,7 +75,7 @@ namespace DCFApixels.DragonECS
     internal sealed class ComponentResetHandler<T> : IEcsComponentReset<T>
         where T : IEcsComponentReset<T>
     {
-        private T _fakeInstnace;
+        private T _fakeInstnace = default;
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void Reset(ref T component) => _fakeInstnace.Reset(ref component);
     }

src/EcsMask.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e1975c74e7ab50e4dba6bf01902e26e9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/EcsRunner.cs

@@ -138,12 +138,12 @@ namespace DCFApixels.DragonECS
                     throw new Exception();
                 }
 
-                Type GetRunnerBaseType(Type type)
+                Type GetRunnerBaseType(Type inType)
                 {
-                    if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(EcsRunner<>))
-                        return type;
-                    if (type.BaseType != null)
-                        return GetRunnerBaseType(type.BaseType);
+                    if (inType.IsGenericType && inType.GetGenericTypeDefinition() == typeof(EcsRunner<>))
+                        return inType;
+                    if (inType.BaseType != null)
+                        return GetRunnerBaseType(inType.BaseType);
                     return null;
                 }
                 Type baseType = GetRunnerBaseType(type);
@@ -291,7 +291,7 @@ namespace DCFApixels.DragonECS
                             name = Regex.Replace(name, @"\bEcs|Process\b", "");
                             if (Regex.IsMatch(name, "`\\w{1,}$"))
                             {
-                                var s = name.Split("`");
+                                var s = name.Split('`');
                                 name = s[0] + $"<{s[1]}>";
                             }
                             _processes.Add(type, new ProcessInterface(type, name));

src/Utils/ArraySortHalperX.cs.meta

@@ -0,0 +1,11 @@
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+guid: a591de1858028504d819333121bfddd6
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src/Utils/BitsUtility.cs.meta

@@ -0,0 +1,11 @@
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+MonoImporter:
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+  serializedVersion: 2
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src/Utils/ReadOnlySpanDummy.cs

@@ -68,12 +68,14 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Object
+#pragma warning disable CS0809 // Óñòàðåâøèé ÷ëåí ïåðåîïðåäåëÿåò íåóñòàðåâøèé ÷ëåí
         [Obsolete("Equals() on ReadOnlySpan will always throw an exception. Use the equality operator instead.")]
         [EditorBrowsable(EditorBrowsableState.Never)]
         public override bool Equals(object obj) => throw new NotSupportedException();
         [Obsolete("GetHashCode() on ReadOnlySpan will always throw an exception.")]
         [EditorBrowsable(EditorBrowsableState.Never)]
         public override int GetHashCode() => throw new NotSupportedException();
+#pragma warning restore CS0809 // Óñòàðåâøèé ÷ëåí ïåðåîïðåäåëÿåò íåóñòàðåâøèé ÷ëåí
         public override string ToString()
         {
             //if (typeof(T) == typeof(char))
@@ -154,6 +156,18 @@ namespace DCFApixels.DragonECS
         //    }
         //    return retVal;
         //}
+        public void CopyTo(T[] array)
+        {
+            if (_length > array.Length)
+            {
+                throw new ArgumentOutOfRangeException();
+            }
+
+            for (int i = 0; i < _length; i++)
+            {
+                array[i] = _array[i];
+            }
+        }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ReadOnlySpan<T> Slice(int start)

src/Utils/UnsafeArray.cs.meta

@@ -0,0 +1,11 @@
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