working on multiplayer

Runtime/Engine/Code/Development/DevToolsService.cs

@@ -0,0 +1,50 @@
+using System;
+using RebootKit.Engine.Foundation;
+using RebootKit.Engine.Services.Console;
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+namespace RebootKit.Engine.Services.Development {
+    static class DebugConfig {
+        [ConfigVar("debug.overlay", 0, "Controls overlay visibility. 0 - hidden, 1 - visible")] public static ConfigVar s_OverlayMode;
+    }
+
+    public class DevToolsService : ServiceMonoBehaviour {
+        [SerializeField] DebugOverlayView m_DebugOverlayView;
+
+        IDisposable m_CVarChangedListener;
+
+        void Start() {
+            ConfigVar.StateChanged += OnCVarChanged;
+            OnCVarChanged(DebugConfig.s_OverlayMode);
+        }
+
+        void OnDisable() {
+            Dispose();
+        }
+
+        public override void Dispose() {
+            ConfigVar.StateChanged -= OnCVarChanged;
+        }
+
+        void Update() {
+            if (InputSystem.GetDevice<Keyboard>().f3Key.wasReleasedThisFrame) {
+                DebugConfig.s_OverlayMode.Set(DebugConfig.s_OverlayMode.IndexValue == 1 ? 0 : 1);
+            }
+        }
+
+        void OnOverlayModeChanged(int mode) {
+            if (mode == 1) {
+                m_DebugOverlayView.gameObject.SetActive(true);
+            } else {
+                m_DebugOverlayView.gameObject.SetActive(false);
+            }
+        }
+
+        void OnCVarChanged(ConfigVar cvar) {
+            if (cvar == DebugConfig.s_OverlayMode) {
+                OnOverlayModeChanged(cvar.IndexValue);
+            }
+        }
+    }
+}