VillageBuilder/Assets/Scripts/UIController.cs

using UnityEngine;
using TMPro;

public class UIController : MonoBehaviour
{
    public static UIController Instance;
    
    [SerializeField] TextMeshProUGUI wood, stone, population;
    
    void Awake()
    {
        Instance = this;
    }

    void Start()
    {
        UpdateStats();
    }

    public void UpdateStats()
    {
        wood.text = GameManager.Instance.GetResource(Resource.ResourceType.Wood).ToString();
        stone.text = GameManager.Instance.GetResource(Resource.ResourceType.Stone).ToString();
        population.text = GameManager.Instance.GetResource(Resource.ResourceType.Population).ToString();
    }

    // Called by left-clicking a JobButton
    public void AddJob(NPC.Job jobToAssign)
    {
        NPC[] npcs = FindObjectsByType<NPC>(FindObjectsSortMode.None);
        foreach(NPC npc in npcs)
        {
            // Find a Citizen and give them the new job
            if(npc.job == NPC.Job.Citizen) 
            {
                npc.SetJob(jobToAssign);
                Debug.Log($"Assigned a Citizen to {jobToAssign}");
                break; // Stop after assigning one
            }
        }
    }

    // Called by right-clicking a JobButton
    public void RemoveJob(NPC.Job jobToRemove)
    {
        NPC[] npcs = FindObjectsByType<NPC>(FindObjectsSortMode.None);
        foreach(NPC npc in npcs)
        {
            // Find an NPC currently doing this job and revert them to a Citizen
            if(npc.job == jobToRemove)
            {
                npc.SetJob(NPC.Job.Citizen);
                Debug.Log($"Removed a {jobToRemove} and made them a Citizen");
                break; // Stop after removing one
            }
        }
    }
}