new-horizons/NewHorizons/Handlers/InvulnerabilityHandler.cs

using NewHorizons.Utility.OWML;
using UnityEngine;

namespace NewHorizons.Handlers
{
    internal class InvulnerabilityHandler
    {
        private static float _defaultImpactDeathSpeed = -1f;

        public static void MakeInvulnerable(bool invulnerable)
        {
            NHLogger.Log($"Toggling immortality: {invulnerable}");

            var deathManager = GetDeathManager();
            var resources = GetPlayerResouces();

            if (invulnerable)
            {
                if (_defaultImpactDeathSpeed == -1f)
                    _defaultImpactDeathSpeed = deathManager._impactDeathSpeed;

                deathManager._impactDeathSpeed = Mathf.Infinity;
                deathManager._invincible = true;
            }
            else
            {
                deathManager._impactDeathSpeed = _defaultImpactDeathSpeed;
                resources._currentHealth = 100f;
                deathManager._invincible = false;
            }
        }

        private static DeathManager GetDeathManager() => GameObject.FindObjectOfType<DeathManager>();
        private static PlayerResources GetPlayerResouces() => GameObject.FindObjectOfType<PlayerResources>();
    }
}