using UnityEngine;
using System.Collections;

public class RigWalker : MonoBehaviour {
    public float speed = 5f;
    public float jumpMul = 4f;
    bool grounded = false;

    GameObject Cam;

    //Network Variables
    Vector3 objPos;
    Quaternion objRot;
    Vector3 rigVel;
    Vector3 angVel;
    Vector3 CamForward;
    Vector3 CamRight;
    float AxisVertical = 0f;
    float AxisHorizontal = 0f;

    // Use this for initialization
    void Start () {
        if(Network.isClient && networkView.isMine)
        {
            Cam = GameObject.Find("MainCamera");
            Cam.transform.parent = gameObject.transform;
        }
    }

    void OnCollisionStay()
    {
        grounded = true;
    }

    // Update is called once per frame
    void FixedUpdate () {
        if(Network.isServer)
        {
            Vector3 walkVec = CamForward * AxisVertical + CamRight * AxisHorizontal;
            walkVec = new Vector3(walkVec.x, 0, walkVec.z) * speed;

            Vector3 velocity = rigidbody.velocity;
            Vector3 velChange = (walkVec - velocity);
            velChange.y = 0;

            rigidbody.AddForce(velChange, ForceMode.VelocityChange);

            if(grounded && Input.GetButton("Jump"))
                rigidbody.AddForce(new Vector3(0, jumpMul * 10, 0));
        }

        grounded = false;
    }

    void OnSerializeNetworkView(BitStream stream, NetworkMessageInfo info)
    {
        if(stream.isWriting) //Sending information
        {
            if(Network.isServer) //Server -> Client
            {
                objPos = rigidbody.transform.position;
                objRot = rigidbody.transform.rotation;
                rigVel = rigidbody.velocity;
                angVel = rigidbody.angularVelocity;

                stream.Serialize(ref objPos);
                stream.Serialize(ref objRot);
                stream.Serialize(ref rigVel);
                stream.Serialize(ref angVel);
            }
            else if(Network.isClient) //Client -> Server
            {
                if(networkView.isMine) //Me -> Server
                {
                    AxisVertical = Input.GetAxis("Vertical");
                    AxisHorizontal = Input.GetAxis("Horizontal");
                    CamForward = Cam.transform.forward;
                    CamRight = Cam.transform.right;

                    stream.Serialize(ref AxisVertical);
                    stream.Serialize(ref AxisHorizontal);
                    stream.Serialize(ref CamForward);
                    stream.Serialize(ref CamRight);
                }
            }
        }
        else if(stream.isReading) //Receiving information
        {
            if(Network.isServer) //Client -> Server
            {
                stream.Serialize(ref AxisVertical);
                stream.Serialize(ref AxisHorizontal);
                stream.Serialize(ref CamForward);
                stream.Serialize(ref CamRight);
            }
            else if(Network.isClient) //Server -> Client
            {
                stream.Serialize(ref objPos);
                stream.Serialize(ref objRot);
                stream.Serialize(ref rigVel);
                stream.Serialize(ref angVel);

                rigidbody.MovePosition(objPos);
                rigidbody.MoveRotation(objRot);
                rigidbody.velocity = rigVel;
                rigidbody.angularVelocity = angVel;
            }
        }
    }
}