Photon Unity Networking Free内のソースよんだので覚え書きいろいろ。 Photon Unity Networking/Demos/MacroPolo

GameLogic.cs

using UnityEngine;
using System.Collections;

// プレイヤーIDをプレイヤーの上に表示させる処理がメイン
public class GameLogic : MonoBehaviour
{

    public static int playerWhoIsIt = 0;
    private static PhotonView ScenePhotonView;

    // Use this for initialization
    public void Start()
    {
        ScenePhotonView = this.GetComponent<PhotonView>();
    }

    public void OnJoinedRoom()
    {
        // game logic: if this is the only player, we're "it"
        if (PhotonNetwork.playerList.Length == 1)
        {
            playerWhoIsIt = PhotonNetwork.player.ID;
        }

        Debug.Log("playerWhoIsIt: " + playerWhoIsIt);
    }

    public void OnPhotonPlayerConnected(PhotonPlayer player)
    {
        Debug.Log("OnPhotonPlayerConnected: " + player);

        // when new players join, we send "who's it" to let them know
        // only one player will do this: the "master"

        if (PhotonNetwork.isMasterClient)
        {
            TagPlayer(playerWhoIsIt);
        }
    }

    public static void TagPlayer(int playerID)
    {
        Debug.Log("TagPlayer: " + playerID);
        ScenePhotonView.RPC("TaggedPlayer", PhotonTargets.All, playerID);
    }

    [RPC]
    public void TaggedPlayer(int playerID)
    {
        playerWhoIsIt = playerID;
        Debug.Log("TaggedPlayer: " + playerID);
    }

    public void OnPhotonPlayerDisconnected(PhotonPlayer player)
    {
        Debug.Log("OnPhotonPlayerDisconnected: " + player);

        if (PhotonNetwork.isMasterClient)
        {
            if (player.ID == playerWhoIsIt)
            {
                // if the player who left was "it", the "master" is the new "it"
                TagPlayer(PhotonNetwork.player.ID);
            }
        }
    }

    public void OnMasterClientSwitched()
    {
        Debug.Log("OnMasterClientSwitched");
    }
}

NetworkCharacter.cs

using UnityEngine;

// プレイヤーの動作をクライアント間でどうきさせる処理いろいろ
public class NetworkCharacter : Photon.MonoBehaviour
{
    private Vector3 correctPlayerPos = Vector3.zero; // We lerp towards this
    private Quaternion correctPlayerRot = Quaternion.identity; // We lerp towards this
    // Update is called once per frame
    void Update()
    {
        // 自分以外のプレイヤーの場合はデータ補正(Vector3.Lerp、Quaternion.Lerpを使うとなめらかに動作してくれる)
        if (!photonView.isMine)
        {
            transform.position = Vector3.Lerp(transform.position, this.correctPlayerPos, Time.deltaTime * 5);
            transform.rotation = Quaternion.Lerp(transform.rotation, this.correctPlayerRot, Time.deltaTime * 5);
        }
    }

    // プレイヤーのデータを送受信
    void OnPhotonSerializeView(PhotonStream stream, PhotonMessageInfo info)
    {
        if (stream.isWriting)
        {
            // データの送信
            stream.SendNext(transform.position);
            stream.SendNext(transform.rotation);

            myThirdPersonController myC = GetComponent<myThirdPersonController>();
            stream.SendNext((int)myC._characterState);
        }
        else
        {
            // データの受信
            this.correctPlayerPos = (Vector3)stream.ReceiveNext();
            this.correctPlayerRot = (Quaternion)stream.ReceiveNext();

            myThirdPersonController myC = GetComponent<myThirdPersonController>();
            myC._characterState = (CharacterState)stream.ReceiveNext();
        }
    }
}

RandomMatchmaker.cs

using UnityEngine;

public class RandomMatchmaker : Photon.MonoBehaviour
{
    private PhotonView myPhotonView;

    // Use this for initialization
    void Start()
    {
        // Wizardで設定ししたAppID,リージョンでロビーに接続する
        // 接続が完了するとOnJoinedLobby()をコール
        PhotonNetwork.ConnectUsingSettings("0.1");
    }

    // PhotonNetwork.ConnectUsingSettings()でロビー接続が完了したときによばれるメソッド
    void OnJoinedLobby()
    {
        Debug.Log("JoinRandom");
        // ランダムにルームへ接続
        // ルームがない場合はOnPhotonRandomJoinFailed()をコール
        PhotonNetwork.JoinRandomRoom();
    }

    // PhotonNetwork.JoinRandomRoom()でルームがなかったときにコールされるメソッド
    void OnPhotonRandomJoinFailed()
    {
        // ルームがなかったのでルームを作成
        // ただ今回はランダムでルームへjoinしているだけなのでルーム名を指定して作成していない。
        PhotonNetwork.CreateRoom(null);
    }

    // ルームへの接続が完了するとコールされるメソッド
    // ここにゲームをはじめるにあたって必要な処理を記述
    void OnJoinedRoom()
    {
        // プレイヤーのインスタンス化
        GameObject monster = PhotonNetwork.Instantiate("monsterprefab", Vector3.zero, Quaternion.identity, 0);
        monster.GetComponent<myThirdPersonController>().isControllable = true;
        myPhotonView = monster.GetComponent<PhotonView>();
    }

    void OnGUI()
    {
        GUILayout.Label(PhotonNetwork.connectionStateDetailed.ToString());

        if (PhotonNetwork.connectionStateDetailed == PeerState.Joined)
        {
            bool shoutMarco = GameLogic.playerWhoIsIt == PhotonNetwork.player.ID;

            if (shoutMarco && GUILayout.Button("Marco!"))
            {
                myPhotonView.RPC("Marco", PhotonTargets.All);
            }
            if (!shoutMarco && GUILayout.Button("Polo!"))
            {
                myPhotonView.RPC("Polo", PhotonTargets.All);
            }
        }
    }
}

【参考】
Unity 4.3 x Photon Cloud 2Dオンラインアプリチュートリアル（前編）
http://dev.classmethod.jp/etc/unity-photon-2d-physics-online-game-01/

Unity 4.3 x Photon Cloud 2Dオンラインアプリチュートリアル（後編）
http://dev.classmethod.jp/etc/unity-photon-2d-physics-online-game-02/

【参考】
[Unity3D]NetworkViewを使って通信対戦 その6
http://terasur.blog.fc2.com/blog-entry-72.html

NetworkViewの話だけどRPCはこちらが参考になりました。