forked from cgvr/DeltaVR
63 lines
2.1 KiB
C#
63 lines
2.1 KiB
C#
using FishNet.Object;
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using FishNet.Serializing;
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using FishNet.Transporting;
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using UnityEngine;
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namespace FishNet.Managing.Utility
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{
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public class Packets
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{
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/// <summary>
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/// Returns written data length for packet.
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/// </summary>
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internal static int GetPacketLength(ushort packetId, PooledReader reader, Channel channel)
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{
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/* Broadcast is a special circumstance where data
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* will not be purged even if unreliable.
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* This is because a broadcast receiver may not
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* be set, which could be intentional. Because of this
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* length is always sent to skip
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* past the broadcast data.
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*
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* Reliables also need length read in the instance a client
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* sends data to an object which server is despawning. Without
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* parsing length the remainer data from client will be corrupt. */
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PacketId pid = (PacketId)packetId;
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if (channel == Channel.Reliable ||
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pid == PacketId.Broadcast ||
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pid == PacketId.SyncVar
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)
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{
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return reader.ReadInt32();
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}
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//Unreliable purges remaining.
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else if (channel == Channel.Unreliable)
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{
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return (int)MissingObjectPacketLength.PurgeRemaiming;
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}
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/* Unhandled. This shouldn't be possible
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* since both reliable and unreliable is checked.
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* There are no other options. This is merely here
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* for a sanity check. */
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else
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{
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LogError($"Operation is unhandled for packetId {(PacketId)packetId} on channel {channel}.");
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return (int)MissingObjectPacketLength.PurgeRemaiming;
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}
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//Logs an error message.
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void LogError(string message)
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{
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if (reader.NetworkManager != null)
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reader.NetworkManager.LogError(message);
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else
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NetworkManager.StaticLogError(message);
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}
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}
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}
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} |