CrowdControl/Assets/Scripts/AI/FSM_Template/Entities/GatherableResource.cs

using System;
using UnityEngine;
using UnityEngine.AI;

public class GatherableResource : MonoBehaviour
{
    [SerializeField] private int _totalAvailable = 20;
    
    private int _available;
    public bool IsDepleted => _available <= 0;

    private void OnEnable()
    {
        _available = _totalAvailable;
    }

    public bool Take()
    {
        if (_available <= 0)
            return false;
        _available--;

        UpdateSize();
        
        return true;
    }

    private void UpdateSize()
    {
        float scale = (float)_available / _totalAvailable;
        if (scale > 0 && scale < 1f)
        {
            var vectorScale = Vector3.one * scale;
            transform.localScale = vectorScale;
        }
        else if (scale <= 0)
        {
            gameObject.SetActive(false);
        }
        
    }

    [ContextMenu("Snap")]
    private void Snap()
    {
        if (NavMesh.SamplePosition(transform.position, out var hit, 5f, NavMesh.AllAreas))
        {
            transform.position = hit.position;
        }
    }

    public void SetAvailable(int amount) => _available = amount;
}