Added a bunch of utilities and modfief the character data structue

Assets/Code/GameState/Entities/CharacterStatsFactory.cs

@@ -1,31 +1,25 @@
 using System;
+using System.Linq;
 
 namespace Nox.Game {
     public interface ICharacterStatsFactory {
         EntityStats Create(EntityAttributes attributes);
     }
 
-    public sealed class CharacterStatsFactoryOptions {
-        public EntityStats entityStats = new EntityStats() {
-            health = 10,
-            stamina = 10,
-            level = 1,
-            experience = 0
-        };
-    }
-
     public sealed class CharacterStatsFactory : ICharacterStatsFactory {
-        private readonly CharacterStatsFactoryOptions options;
+        private readonly CharacterRegistry characterRegistry;
 
-        public CharacterStatsFactory(CharacterStatsFactoryOptions options = null) {
-            this.options = options ?? new CharacterStatsFactoryOptions();
+        public CharacterStatsFactory(CharacterRegistry characterRegistry) {
+            this.characterRegistry = characterRegistry;
         }
 
         public EntityStats Create(EntityAttributes attributes) {
-            if(attributes == null) {
-                throw new ArgumentNullException(nameof(attributes));
+            if(attributes.attributes.All(a => a.value != 0)) {
+                throw new ArgumentOutOfRangeException( "attributes cannot be zero or negative.", new ArgumentException() );
             }
 
+            //TODO: Create stats based on attributes
+
             // int maxHealth = options.baseHealth + attributes.might * options.mightHealthBonus;
             // int maxStamina = options.baseStamina +
             //                  attributes.might * options.mightStaminaBonus +