[RequireComponent( typeof( PhotonView ) )]
    public class PickupObjectNetwork : Photon.MonoBehaviour {
	public GameObject mainCamera;
	public bool carrying;
	GameObject carriedObject;
	public float distance;
	public float smooth;
	public float throwPower = 10f;
	private float chargeTime = 0f;
        private PhotonView pView;
	// Use this for initialization
	void Start () {
		mainCamera = GameObject.FindWithTag("MainCamera");
	}

	// Update is called once per frame
	void Update () {
		if(photonView.isMine)
		{
			if(carriedObject == null)
			{
				carrying = false;
			}
			if(gameObject == null)
				return;

			if(carrying) {
				photonView.RPC("carry", PhotonTargets.AllBuffered);
				photonView.RPC("checkDrop", PhotonTargets.AllBuffered);

				if (Input.GetMouseButtonUp (0)) {
					float pushForce = chargeTime * 10;
					pushForce = Mathf.Clamp (pushForce, 1, 20);
					photonView.RPC("throwObject", PhotonTargets.AllBuffered, pushForce);
					chargeTime = 0;
				}
			} else {
				if(Input.GetKeyDown (KeyCode.E)) {
					photonView.RPC("pickup", PhotonTargets.AllBuffered);
				}
			}

			if(Input.GetMouseButton(0)){
				chargeTime += Time.deltaTime;
			}
		}
	}

	[PunRPC]
	void carry() {
		if (carriedObject == null)
		{
			return;
		}
		Debug.Log("picked up object with id: " + carriedObject.GetComponent<PhotonView>().viewID);
		carriedObject.transform.position = Vector3.Lerp (carriedObject.transform.position, mainCamera.transform.position + mainCamera.transform.forward * distance, Time.deltaTime * smooth);
		carriedObject.transform.rotation = Quaternion.identity;
	}

	[PunRPC]
	void pickup() {
			int x = Screen.width / 2;
			int y = Screen.height / 2;

			Ray ray = mainCamera.GetComponent<Camera>().ScreenPointToRay(new Vector3(x,y));
			RaycastHit hit;
			if(Physics.Raycast(ray, out hit)) {
				Pickupable p = hit.collider.GetComponent<Pickupable>();
				if(p != null && hit.distance < 5) {
					carrying = true;
					carriedObject = p.gameObject;
					pView = carriedObject.GetComponent<PhotonView>();
					pView.viewID = PhotonNetwork.AllocateViewID();
					p.gameObject.GetComponent<Rigidbody>().velocity = Vector3.zero;
					p.gameObject.GetComponent<Rigidbody>().useGravity = false;
				}
			}
	}
	[PunRPC]
	void checkDrop() {
		if(Input.GetKeyDown (KeyCode.E)) {
			dropObject();
		}
	}
	[PunRPC]
	void dropObject() {
		carrying = false;
		carriedObject.gameObject.GetComponent<Rigidbody>().useGravity = true;
		carriedObject = null;
	}
	[PunRPC]
	void throwObject(float pushForce){
		carrying = false;
		if(carriedObject.tag != "BoxMultiplayer")
			carriedObject.tag = "Projectile";
		carriedObject.GetComponent<Rigidbody> ().AddForce(Camera.main.transform.forward * pushForce * 200);
		carriedObject.gameObject.GetComponent<Rigidbody> ().useGravity = true;
		carriedObject = null;
	}
}