Megacity/Assets/Scripts/Gameplay/Player/UpdateControlSettingsSystem.cs

using Unity.Entities;
using Unity.MegaCity.UI;
using static Unity.Entities.SystemAPI;

namespace Unity.MegaCity.Gameplay
{
    /// <summary>
    /// Updates Control Settings based on the Settings UI
    /// </summary>
    [WorldSystemFilter(WorldSystemFilterFlags.ClientSimulation)]
    public partial struct UpdateControlSettingsSystem : ISystem
    {
        public void OnCreate(ref SystemState state)
        {
            state.RequireForUpdate<ControlSettings>();
        }

        public void OnUpdate(ref SystemState state)
        {
            if (UIControlSettings.Instance == null || !UIControlSettings.Instance.ShouldUpdate)
                return;

            var controlSettings = GetSingletonRW<ControlSettings>().ValueRW;
            controlSettings.MouseSensitivity = UIControlSettings.Instance.MouseSensitivity;
            controlSettings.InverseLookHorizontal = UIControlSettings.Instance.InverseLookHorizontal;
            controlSettings.InverseLookVertical = UIControlSettings.Instance.InverseLookVertical;

            UIControlSettings.Instance.ShouldUpdate = false;
            SetSingleton(controlSettings);
        }
    }
}