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NitroxClient/MonoBehaviours/Gui/Input/KeyBindingManager.cs

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+using System.Collections.Generic;
+using System.Linq;
+using NitroxClient.MonoBehaviours.Gui.Input.KeyBindings;
+using NitroxClient.MonoBehaviours.Gui.Input.KeyBindings.Actions;
+using NitroxClient.Serialization;
+using NitroxModel.Helper;
+
+namespace NitroxClient.MonoBehaviours.Gui.Input
+{
+    public class KeyBindingManager
+    {
+        public List<KeyBinding> KeyboardKeyBindings { get; }
+
+        public KeyBindingManager()
+        {
+            ClientConfig cfg = ClientConfig.Load(NitroxUser.AppDataPath);
+            KeyboardKeyBindings = new List<KeyBinding>
+            {
+                // new bindings should not be set to a value equivalent to a pre-existing GameInput.Button enum or another custom binding
+                new((int)KeyBindingValues.CHAT, "Chat", GameInput.Device.Keyboard, new ChatKeyBindingAction(), cfg.OpenChatKeybindPrimary, cfg.OpenChatKeybindSecondary),
+                new((int)KeyBindingValues.FOCUS_DISCORD, "Focus Discord (Alt +)", GameInput.Device.Keyboard, new DiscordFocusBindingAction(), cfg.FocusDiscordKeybindPrimary, cfg.FocusDiscordKeybindSecondary),
+            };
+        }
+
+        // Returns highest custom key binding value. If no custom key bindings, returns 0. 
+        public int GetHighestKeyBindingValue()
+        {
+            return KeyboardKeyBindings.Select(keyBinding => (int)keyBinding.Button).DefaultIfEmpty(0).Max();
+        }
+    }
+
+    /// <summary>
+    ///     Refers the keybinding values used for button creation in the options menu, to a more clear form
+    /// </summary>
+    public enum KeyBindingValues
+    {
+        CHAT = 45,
+        FOCUS_DISCORD = 46
+    }
+}

NitroxClient/MonoBehaviours/Gui/Input/KeyBindings/Actions/ChatKeyBindingAction.cs

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+using NitroxClient.GameLogic.ChatUI;
+using NitroxModel.Core;
+
+namespace NitroxClient.MonoBehaviours.Gui.Input.KeyBindings.Actions
+{
+    public class ChatKeyBindingAction : KeyBindingAction
+    {
+        public override void Execute()
+        {
+            // If no other UWE input field is currently active then allow chat to open.
+            if (FPSInputModule.current.lastGroup == null)
+            {
+                NitroxServiceLocator.LocateService<PlayerChatManager>().SelectChat();
+            }
+        }
+    }
+}

NitroxClient/MonoBehaviours/Gui/Input/KeyBindings/Actions/DiscordFocusBindingAction.cs

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+using NitroxClient.MonoBehaviours.Discord;
+using UnityEngine;
+
+namespace NitroxClient.MonoBehaviours.Gui.Input.KeyBindings.Actions;
+
+public class DiscordFocusBindingAction : KeyBindingAction
+{
+    public override void Execute()
+    {
+        if (UnityEngine.Input.GetKey(KeyCode.LeftAlt))
+        {
+            DiscordJoinRequestGui.Select();
+        }
+    }
+}

NitroxClient/MonoBehaviours/Gui/Input/KeyBindings/Actions/KeyBindingAction.cs

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+namespace NitroxClient.MonoBehaviours.Gui.Input.KeyBindings.Actions
+{
+    public abstract class KeyBindingAction
+    {
+        public abstract void Execute();
+    }
+}

NitroxClient/MonoBehaviours/Gui/Input/KeyBindings/DefaultKeyBinding.cs

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+namespace NitroxClient.MonoBehaviours.Gui.Input.KeyBindings
+{
+    public class DefaultKeyBinding
+    {
+        public string Binding { get; }
+        public GameInput.BindingSet BindingSet { get; }
+
+        public DefaultKeyBinding(string defaultBinding, GameInput.BindingSet defaultBindingSet)
+        {
+            Binding = defaultBinding;
+            BindingSet = defaultBindingSet;
+        }
+    }
+}

NitroxClient/MonoBehaviours/Gui/Input/KeyBindings/KeyBinding.cs

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+using NitroxClient.MonoBehaviours.Gui.Input.KeyBindings.Actions;
+using NitroxModel.Helper;
+
+namespace NitroxClient.MonoBehaviours.Gui.Input.KeyBindings;
+
+public class KeyBinding
+{
+    public GameInput.Button Button { get; }
+    public GameInput.Device Device { get; }
+    public string Label { get; }
+    public string PrimaryKey { get; }
+    public string SecondaryKey { get; }
+    public KeyBindingAction Action { get; }
+
+    public KeyBinding(int keyBindingValue, string buttonLabel, GameInput.Device buttonDevice, KeyBindingAction buttonAction, string primaryKey, string secondaryKey = null)
+    {
+        Validate.NotNull(primaryKey);
+
+        Button = (GameInput.Button)keyBindingValue;
+        Device = buttonDevice;
+        Label = buttonLabel;
+        Action = buttonAction;
+        PrimaryKey = primaryKey;
+        SecondaryKey = secondaryKey;
+    }
+}