WeaponAmmo.cs

using System;

public class WeaponAmmo
{
	private int _ammoNotInClip;
	private int _ammoInClip;
	private int _maxAmmoPerClip;

	private bool HasAmmoReady { get { return _ammoInClip > 0; } }

	public WeaponAmmo(WeaponSettings weaponSettings)
	{
		_ammoNotInClip = weaponSettings.StartingAmmo;
		_maxAmmoPerClip = weaponSettings.AmmoPerClip;
		Reload();
	}

	public void Reload()
	{
		int spaceRemaining = _maxAmmoPerClip - _ammoInClip;
		int desiredAmmoToMove = Math.Min(_maxAmmoPerClip, spaceRemaining);
		int amountToMove = Math.Min(desiredAmmoToMove, _ammoNotInClip);

		if (amountToMove > 0)
		{
			_ammoNotInClip -= amountToMove;
			_ammoInClip += amountToMove;
		}
	}

	public bool TryTakeBullet()
	{
		if (HasAmmoReady == false)
			return false;

		_ammoInClip--;
		return true;
	}
}