Terraria 1.4.0.5 Source Code

Social/Steam/SteamP2PWriter.cs

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+// Decompiled with JetBrains decompiler
+// Type: Terraria.Social.Steam.SteamP2PWriter
+// Assembly: Terraria, Version=1.4.0.5, Culture=neutral, PublicKeyToken=null
+// MVID: 67F9E73E-0A81-4937-A22C-5515CD405A83
+// Assembly location: C:\Users\mikeyisbaeyt\Downloads\depotdownloader-2.4.5\depots\105601\6707058\Terraria.exe
+
+using Steamworks;
+using System;
+using System.Collections.Generic;
+
+namespace Terraria.Social.Steam
+{
+  public class SteamP2PWriter
+  {
+    private const int BUFFER_SIZE = 1024;
+    private Dictionary<CSteamID, Queue<SteamP2PWriter.WriteInformation>> _pendingSendData = new Dictionary<CSteamID, Queue<SteamP2PWriter.WriteInformation>>();
+    private Dictionary<CSteamID, Queue<SteamP2PWriter.WriteInformation>> _pendingSendDataSwap = new Dictionary<CSteamID, Queue<SteamP2PWriter.WriteInformation>>();
+    private Queue<byte[]> _bufferPool = new Queue<byte[]>();
+    private int _channel;
+    private object _lock = new object();
+
+    public SteamP2PWriter(int channel) => this._channel = channel;
+
+    public void QueueSend(CSteamID user, byte[] data, int length)
+    {
+      lock (this._lock)
+      {
+        Queue<SteamP2PWriter.WriteInformation> writeInformationQueue;
+        if (this._pendingSendData.ContainsKey(user))
+          writeInformationQueue = this._pendingSendData[user];
+        else
+          this._pendingSendData[user] = writeInformationQueue = new Queue<SteamP2PWriter.WriteInformation>();
+        int val1 = length;
+        int sourceIndex = 0;
+        while (val1 > 0)
+        {
+          SteamP2PWriter.WriteInformation writeInformation;
+          if (writeInformationQueue.Count == 0 || 1024 - writeInformationQueue.Peek().Size == 0)
+          {
+            writeInformation = this._bufferPool.Count <= 0 ? new SteamP2PWriter.WriteInformation() : new SteamP2PWriter.WriteInformation(this._bufferPool.Dequeue());
+            writeInformationQueue.Enqueue(writeInformation);
+          }
+          else
+            writeInformation = writeInformationQueue.Peek();
+          int length1 = Math.Min(val1, 1024 - writeInformation.Size);
+          Array.Copy((Array) data, sourceIndex, (Array) writeInformation.Data, writeInformation.Size, length1);
+          writeInformation.Size += length1;
+          val1 -= length1;
+          sourceIndex += length1;
+        }
+      }
+    }
+
+    public void ClearUser(CSteamID user)
+    {
+      lock (this._lock)
+      {
+        if (this._pendingSendData.ContainsKey(user))
+        {
+          Queue<SteamP2PWriter.WriteInformation> writeInformationQueue = this._pendingSendData[user];
+          while (writeInformationQueue.Count > 0)
+            this._bufferPool.Enqueue(writeInformationQueue.Dequeue().Data);
+        }
+        if (!this._pendingSendDataSwap.ContainsKey(user))
+          return;
+        Queue<SteamP2PWriter.WriteInformation> writeInformationQueue1 = this._pendingSendDataSwap[user];
+        while (writeInformationQueue1.Count > 0)
+          this._bufferPool.Enqueue(writeInformationQueue1.Dequeue().Data);
+      }
+    }
+
+    public void SendAll()
+    {
+      lock (this._lock)
+        Utils.Swap<Dictionary<CSteamID, Queue<SteamP2PWriter.WriteInformation>>>(ref this._pendingSendData, ref this._pendingSendDataSwap);
+      foreach (KeyValuePair<CSteamID, Queue<SteamP2PWriter.WriteInformation>> keyValuePair in this._pendingSendDataSwap)
+      {
+        Queue<SteamP2PWriter.WriteInformation> writeInformationQueue = keyValuePair.Value;
+        while (writeInformationQueue.Count > 0)
+        {
+          SteamP2PWriter.WriteInformation writeInformation = writeInformationQueue.Dequeue();
+          SteamNetworking.SendP2PPacket(keyValuePair.Key, writeInformation.Data, (uint) writeInformation.Size, (EP2PSend) 2, this._channel);
+          this._bufferPool.Enqueue(writeInformation.Data);
+        }
+      }
+    }
+
+    public class WriteInformation
+    {
+      public byte[] Data;
+      public int Size;
+
+      public WriteInformation()
+      {
+        this.Data = new byte[1024];
+        this.Size = 0;
+      }
+
+      public WriteInformation(byte[] data)
+      {
+        this.Data = data;
+        this.Size = 0;
+      }
+    }
+  }
+}