Cyber/Assets/Scripts/Networking/Clientside/SyncHandler.cs

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using Cyber.Console;
using Cyber.Entities;
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using Cyber.Entities.SyncBases;
using Cyber.Networking.Messages;
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using System.Collections.Generic;
using UnityEngine.Networking;
namespace Cyber.Networking.Clientside {
/// <summary>
/// A Short clientside class for handling sync packages.
/// It simply keeps track of sync-packages and will not apply them if they are too old.
/// </summary>
public class SyncHandler {
public static double LastTimestamp = NetworkHelper.GetCurrentSystemTime();
private SyncDB SyncDB;
private int LatestSyncID = -1;
/// <summary>
/// Creates the SyncHandler with SyncDB.
/// </summary>
/// <param name="syncDB"></param>
public SyncHandler(SyncDB syncDB) {
SyncDB = syncDB;
}
/// <summary>
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/// Handle a given Network message. Must be checked to be <see cref="PktType.Sync"/> first.
/// </summary>
/// <param name="message"></param>
public void HandleSyncPkt(NetworkMessage message) {
SyncPkt SyncPacket = new SyncPkt(SyncDB);
SyncPacket.Deserialize(message.reader);
if (LatestSyncID < SyncPacket.SyncPacketID) {
LatestSyncID = SyncPacket.SyncPacketID;
SyncPacket.ApplySync(message.reader);
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int[] SyncBases = SyncPacket.ChecksummedSyncBases;
int[] Checksums = SyncPacket.Checksums;
if (SyncBases.Length > 0) {
List<int> FailedSyncBases = new List<int>();
for (int i = 0; i < SyncBases.Length; i++) {
SyncBase SyncBase = SyncDB.Get(SyncBases[i]);
if (SyncBase.GenerateChecksum() != Checksums[i]) {
FailedSyncBases.Add(SyncBase.ID);
}
}
if (FailedSyncBases.Count > 0) {
Client.Send(PktType.FailedChecksums, new IntListPkt(FailedSyncBases.ToArray()));
}
LastTimestamp = SyncPacket.Timestamp;
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}
}
// Otherwise disregard the sync.
}
}
}