update world configs

src/EcsWorld.cs

@@ -95,7 +95,7 @@ namespace DCFApixels.DragonECS
         {
             if (config == null)
             {
-                config = EmptyConfig.Instance;
+                config = EcsWorldConfig.Empty;
             }
             _config = config;
 
@@ -570,21 +570,6 @@ namespace DCFApixels.DragonECS
             }
         }
         #endregion
-
-        #region EmptyConfig
-        private class EmptyConfig : IEcsWorldConfig
-        {
-            public static readonly EmptyConfig Instance = new EmptyConfig();
-            private EmptyConfig() { }
-            public bool IsLocked => true;
-            public T Get<T>(string valueName) { return default; }
-            public bool Has(string valueName) { return false; }
-            public void Lock() { }
-            public void Remove(string valueName) { }
-            public void Set<T>(string valueName, T value) { }
-            public bool TryGet<T>(string valueName, out T value) { value = default; return false; }
-        }
-        #endregion
     }
 
     #region Callbacks Interface

src/EcsWorldConfig.cs

@@ -1,25 +1,48 @@
-using System.Collections.Generic;
+using System;
+using System.Collections;
+using System.Collections.Generic;
 
 namespace DCFApixels.DragonECS
 {
     public interface IEcsWorldConfig
     {
+        int Count { get; }
         bool Has(string valueName);
         T Get<T>(string valueName);
         bool TryGet<T>(string valueName, out T value);
+        IEnumerable<KeyValuePair<string, object>> GetAllConfigs();
     }
     public interface IEcsWorldConfigWriter
     {
+        int Count { get; }
         void Set<T>(string valueName, T value);
         bool Has(string valueName);
         T Get<T>(string valueName);
         bool TryGet<T>(string valueName, out T value);
         void Remove(string valueName);
+        IEnumerable<KeyValuePair<string, object>> GetAllConfigs();
     }
-    public class EcsWorldConfig : IEcsWorldConfigWriter, IEcsWorldConfig
+    [Serializable]
+    public class EcsWorldConfig : IEcsWorldConfigWriter, IEcsWorldConfig, IEnumerable<KeyValuePair<string, object>>
     {
+        public static readonly IEcsWorldConfig Empty = new EmptyConfig();
+
         private Dictionary<string, object> _storage = new Dictionary<string, object>();
 
+        public EcsWorldConfig() { }
+        public EcsWorldConfig(IEnumerable<KeyValuePair<string, object>> range)
+        {
+            _storage = new Dictionary<string, object>(range);
+        }
+        public EcsWorldConfig(params KeyValuePair<string, object>[] range)
+        {
+            _storage = new Dictionary<string, object>(range);
+        }
+
+        public int Count
+        {
+            get { return _storage.Count; }
+        }
         public T Get<T>(string valueName)
         {
             return (T)_storage[valueName];
@@ -36,12 +59,41 @@ namespace DCFApixels.DragonECS
         {
             _storage[valueName] = value;
         }
+        public void Add(string key, object value)
+        {
+            _storage.Add(key, value);
+        }
+        public void Add(KeyValuePair<string, object> pair)
+        {
+            _storage.Add(pair.Key, pair.Value);
+        }
         public bool TryGet<T>(string valueName, out T value)
         {
             bool result = _storage.TryGetValue(valueName, out object rawValue);
             value = rawValue == null ? default : (T)rawValue;
             return result;
         }
+        public IEnumerable<KeyValuePair<string, object>> GetAllConfigs()
+        {
+            return _storage;
+        }
+        public IEnumerator<KeyValuePair<string, object>> GetEnumerator()
+        {
+            return GetAllConfigs().GetEnumerator();
+        }
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetAllConfigs().GetEnumerator();
+        }
+
+        private class EmptyConfig : IEcsWorldConfig
+        {
+            public int Count { get { return 0; } }
+            public T Get<T>(string valueName) { return default; }
+            public IEnumerable<KeyValuePair<string, object>> GetAllConfigs() { return Array.Empty<KeyValuePair<string, object>>(); }
+            public bool Has(string valueName) { return false; }
+            public bool TryGet<T>(string valueName, out T value) { value = default; return false; }
+        }
     }
     public static class EcsWorldConfigExtensions
     {