added modfiers factory

Assets/Code/GameState/Entities/ModifiersFactory.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Nox.Game {
+    public interface IModfiersFactory {
+        IReadOnlyCollection<ModifierDefinition> GetAll();
+        ModifierDefinition GetById(string modifierId);
+        IReadOnlyCollection<ModifierDefinition> GetModifiersFor(CharacterDefinition character);
+        bool TryAddModifier(CharacterDefinition character, string modiferId);
+    }
+
+    public enum ModifierType {
+        None,
+        Flat,
+        Addition,
+        Multiplication,
+        Percentage
+    }
+
+    [Serializable]
+    public sealed class ModifierDefinition {
+        public string id;
+        public ModifierType type;
+        public float value;
+    }
+
+    [Serializable]
+    public sealed class ModifiersData {
+        public ModifierDefinition[] modifiers;
+    }
+
+    public class ModifiersFactory : IModfiersFactory {
+        private readonly ModifiersRegistry modifiersRegistry;
+        private readonly Dictionary<string, ModifierDefinition> modifierPool = new ();
+
+        public ModifiersFactory(ModifiersRegistry modifiersRegistry) {
+            this.modifiersRegistry = modifiersRegistry;
+        }
+
+        public IReadOnlyCollection<ModifierDefinition> GetAll() {
+            return modifiersRegistry.modifiersData.modifiers;
+        }
+        public ModifierDefinition GetById(string modifierId) {
+            return modifiersRegistry.modifiersData.modifiers.FirstOrDefault(m => m.id == modifierId);
+        }
+        public IReadOnlyCollection<ModifierDefinition> GetModifiersFor(CharacterDefinition character) {
+            throw new NotImplementedException();
+        }
+        public bool TryAddModifier(CharacterDefinition character, string modiferId) {
+            throw new NotImplementedException();
+        }
+    }
+}