Notes

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Weapon : MonoBehaviour
{
[Header("References")]
public Transform cam;
public Transform attackPoint;
public GameObject bullet;

[Header("Settings")]
public int ammo;
public float rpm;

[Header("Shoot")]
public KeyCode shootKey = KeyCode.Mouse0;
public float bulletForce;
public float bulletUpwardForce;

bool readyToShoot;
public Animator;
void Start()
{
readyToShoot = true;
}

// Update is called once per frame
void Update()
{
if(Input.GetKeyDown(shootKey) && readyToShoot && ammo > 0)
{
Shoot();
}
if(Input.GetKeyDown(KeyCode.R) || ammo <= 0)
{
Reload();
}
}

void Reload()
{
if (ammo > 0 && ammo < 30)
{
animator.Play("Reload", 0, 0.0f);
Debug.oog("Reload with ammo");
} else if (ammo <= 0)
{
Debug.oog("Reload without ammo");
}
}
private void Shoot()
{
readyToShoot = false;
GameObject projectile =
Instantiate(bullet, attackPoint.position, cam.rotation);
Rigidbody projectileRb = projectile.GetComponent<Rigidbody>();
Vector3 forceToAdd = cam.transform.forward * bulletForce +
transform.up * bulletUpwardForce;
projectileRb.AddForce(forceToAdd, ForceMode.Impulse);
ammo--;
Invoke(nameof(ResetShot), rpm);
}

private void ResetShot()
{
readyToShoot = true;
}
}