Characters

Game/Scripts/Networking/NetworkIdentity.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace MegaKoop.Game.Networking
+{
+    [DisallowMultipleComponent]
+    public class NetworkIdentity : MonoBehaviour
+    {
+        private static readonly Dictionary<int, NetworkIdentity> registry = new();
+        private static int nextId = 1;
+
+        [SerializeField] private int networkId;
+        [SerializeField] private bool assignOnAwake = true;
+
+        public int NetworkId => networkId;
+
+        private void Awake()
+        {
+            if (assignOnAwake && networkId == 0)
+            {
+                networkId = nextId++;
+            }
+
+            Register();
+        }
+
+        private void OnDestroy()
+        {
+            if (registry.TryGetValue(networkId, out NetworkIdentity existing) && existing == this)
+            {
+                registry.Remove(networkId);
+            }
+        }
+
+        private void Register()
+        {
+            if (networkId == 0)
+            {
+                Debug.LogWarning($"[NetworkIdentity] {name} has no network id and won't be tracked.");
+                return;
+            }
+
+            if (registry.TryGetValue(networkId, out NetworkIdentity existing) && existing != this)
+            {
+                Debug.LogWarning($"[NetworkIdentity] Duplicate network id {networkId} detected. Overwriting reference.");
+            }
+
+            registry[networkId] = this;
+        }
+
+        public static bool TryGet(int id, out NetworkIdentity identity) => registry.TryGetValue(id, out identity);
+    }
+}