evershade/Assets/Scripts/Managers/PlayerManager.cs

using UnityEngine;

namespace Managers
{
    public class PlayerManager : MonoBehaviour
    {
        public PlayerData playerData;
        public static PlayerManager Instance { get; private set; }

        private void Awake()
        {
            if (Instance == null)
            {
                Instance = this;
                DontDestroyOnLoad(gameObject);
            }
            else
            {
                Destroy(gameObject);
            }
        }

        public void TakeDamage(int damage)
        {
            playerData.health -= damage;
            if (playerData.health <= 0) GameManager.Instance.EndGame();
        }

        public void Heal(int amount)
        {
            playerData.health += amount;
            if (playerData.health > playerData.maxHealth) playerData.health = playerData.maxHealth;
        }

        public void AddExperience(int amount)
        {
            playerData.experience += amount;
            if (playerData.experience >= 100)
            {
                playerData.level++;
                playerData.experience = 0;
            }
        }

        public void AddGold(int amount)
        {
            playerData.gold += amount;
        }

        public void AddItemToInventory(GameItem item)
        {
            GameManager.Instance.InventoryManager.AddItemToOpenSlot(item);
        }
    }
}