Initial commit of Unity files, Network Library, Project settings (Compiler flags for networking to work on Unity), Unity Version 2019.4 LTS

Assets/Runtime/Extensions/DoubleDictionary.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public static class DoubleDictionary<Key, Value>{
+
+  static Dictionary<Key, Value> keys;
+  static Dictionary<Value, Key> values;
+
+  static DoubleDictionary(){
+    Create();
+  }
+
+  public static void Create(){
+    keys = new Dictionary<Key, Value>();
+    values = new Dictionary<Value, Key>();
+  }
+
+  public static void Set(Key key, Value value){
+    keys.Add(key, value);
+    values.Add(value, key);
+  }
+
+  public static void Remove(Key key){
+    Value value;
+    if (keys.TryGetValue(key, out value)){
+      keys.Remove(key);
+      values.Remove(value);
+    }
+  }
+
+  public static void Remove(Value value){
+    Key key;
+    if (values.TryGetValue(value, out key)){
+      keys.Remove(key);
+      values.Remove(value);
+    }
+  }
+
+  public static void Remove(Key key, Value value){
+    keys.Remove(key);
+    values.Remove(value);
+  }
+
+  public static Key Get(Value value){
+    Key key;
+    return values.TryGetValue(value, out key) ? key : default;
+  }
+
+  public static Value Get(Key key){
+    Value value;
+    return keys.TryGetValue(key, out value) ? value : default;
+  }
+
+}

Assets/Runtime/Extensions/DoubleDictionary.cs.meta

@@ -0,0 +1,11 @@
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Assets/Runtime/Extensions/StringExtension.cs

@@ -0,0 +1,21 @@
+public static class StringExtensionMethods
+{
+    public static int GetStableHashCode(this string str)
+    {
+        unchecked
+        {
+            int hash1 = 5381;
+            int hash2 = hash1;
+
+            for(int i = 0; i < str.Length && str[i] != '\0'; i += 2)
+            {
+                hash1 = ((hash1 << 5) + hash1) ^ str[i];
+                if (i == str.Length - 1 || str[i+1] == '\0')
+                    break;
+                hash2 = ((hash2 << 5) + hash2) ^ str[i+1];
+            }
+
+            return hash1 + (hash2*1566083941);
+        }
+    }
+}

Assets/Runtime/Extensions/StringExtension.cs.meta

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