GunController.cs

using UnityEngine;
using System.Collections;

public class GunController : MonoBehaviour 
{
	public Transform weaponHold;
	public Gun startingGun;
	
	Gun equippedGun;
	
	void Start()
	{
		if (startingGun != null)
		{
			EquipGun(startingGun);
		}
	}
	
	public void EquipGun(Gun gunToEquip)
	{
		if (equippedGun != null)
		{
			Destroy(equippedGun.gameObject);
		}
		
		equippedGun = Instantiate(gunToEquip, weaponHold.position, weaponHold.rotation) as Gun;
		equippedGun.transform.parent = weaponHold;
	}
	
	public void OnTriggerHold()
	{
		if (equippedGun != null)
		{
			equippedGun.OnTriggerHold();
		}
	}
	
	public void OnTriggerRelease()
	{
		if (equippedGun != null)
		{
			equippedGun.OnTriggerRelease();
		}
	}
	
	public float GunHeight
	{
		get
		{
			return weaponHold.position.y;
		}
	}
	
	public void Aim(Vector3 aimPoint)
	{
		if (equippedGun != null)
		{
			equippedGun.Aim(aimPoint);
		}
	}
	
	public void Reload()
	{
		if (equippedGun != null)
		{
			equippedGun.Reload();
		}
	}
}