From c7a9d4a6bd53ed7d61731770f2f10e8b9fd435f9 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Thu, 12 Feb 2026 22:33:32 -0800
Subject: Initial commit

---
 NET/worlds/network/netPacketReader.java | 160 ++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 NET/worlds/network/netPacketReader.java

(limited to 'NET/worlds/network/netPacketReader.java')

diff --git a/NET/worlds/network/netPacketReader.java b/NET/worlds/network/netPacketReader.java
new file mode 100644
index 0000000..b42f357
--- /dev/null
+++ b/NET/worlds/network/netPacketReader.java
@@ -0,0 +1,160 @@
+package NET.worlds.network;
+
+import NET.worlds.console.StatNetMUNode;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.Vector;
+
+public class netPacketReader extends Thread {
+   private Vector<receivedNetPacket> _msgQ;
+   private ServerInputStream _in;
+   private WorldServer _serv;
+   private static Class<receivedNetPacket>[] msgTable = new Class[255];
+
+   static {
+      String basePath = "NET.worlds.network.";
+      Vector<String> cmdList = new netCmds().recvCmdList();
+
+      for (int i = 0; i < cmdList.size(); i++) {
+         String cmdName = basePath + cmdList.elementAt(i);
+
+         try {
+            Class<receivedNetPacket> tmpCmdClass = (Class<receivedNetPacket>)Class.forName(cmdName);
+            receivedNetPacket tmpInstance = tmpCmdClass.newInstance();
+            int indx = tmpInstance.msgID();
+
+            assert indx > -1;
+
+            assert msgTable[indx] == null;
+
+            msgTable[indx] = tmpCmdClass;
+         } catch (NoSuchMethodError var11) {
+            NoSuchMethodError e = var11;
+            synchronized (System.out) {
+               System.out.println("netPacketReader:: " + e.getClass().getName() + " creating " + cmdName);
+               System.out.println("netPacketReader:: Exception: " + e.getMessage());
+               e.printStackTrace(System.out);
+            }
+
+            assert false;
+         } catch (Exception var12) {
+            Exception e = var12;
+            synchronized (System.out) {
+               System.out.println("netPacketReader:: " + e.getClass().getName() + " creating " + cmdName);
+               System.out.println("netPacketReader:: Exception: " + e.getMessage());
+               e.printStackTrace(System.out);
+            }
+
+            assert false;
+         }
+      }
+   }
+
+   public netPacketReader(ServerInputStream in) {
+      this._in = in;
+      this._msgQ = new Vector<receivedNetPacket>();
+   }
+
+   public netPacketReader(WorldServer serv, ServerInputStream in) {
+      this._serv = serv;
+      this._in = in;
+      this._msgQ = new Vector<receivedNetPacket>();
+      this._in.setVersion(this.getVersion());
+   }
+
+   public void setVersion(int vers) {
+      this._in.setVersion(vers);
+   }
+
+   public int getVersion() {
+      return this._serv.getVersion();
+   }
+
+   public void put(receivedNetPacket pkt) {
+      this._msgQ.addElement(pkt);
+   }
+
+   public receivedNetPacket get() {
+      assert this._msgQ != null;
+
+      if (this._msgQ.isEmpty()) {
+         return null;
+      } else {
+         receivedNetPacket packet = this._msgQ.firstElement();
+         this._msgQ.removeElement(packet);
+         return packet;
+      }
+   }
+
+   public int count() {
+      return this._msgQ.size();
+   }
+
+   private final void buildMsg() throws IOException {
+      this._in.readPacketSize();
+      byte[] packetData = new byte[this._in.bytesLeft() + 1];
+      packetData[0] = (byte)(this._in.bytesLeft() + 1);
+      this._in.readFully(packetData, 1, this._in.bytesLeft());
+      StatNetMUNode netStat = StatNetMUNode.getNode();
+      netStat.addBytesRcvd(packetData.length);
+      netStat.addPacketsRcvd(1);
+      ServerInputStream in = new ServerInputStream(new ByteArrayInputStream(packetData));
+      in.readPacketSize();
+      if ((WorldServer.getDebugLevel() & 2048) > 0) {
+         synchronized (System.out) {
+            System.out.print(this._serv + ": recv[");
+
+            for (int i = 0; i < packetData.length; i++) {
+               System.out.print(Integer.toString(packetData[i] & 255, 16) + " ");
+            }
+
+            System.out.println("]");
+         }
+      }
+
+      receivedNetPacket packet = null;
+      ObjID objID = new ObjID();
+      objID.parseNetData(in);
+      boolean isCO = objID.shortID() == 254;
+      int cmdType = in.readUnsignedByte();
+      if (cmdType < msgTable.length && msgTable[cmdType] != null) {
+         do {
+            if (isCO) {
+               objID = new ObjID();
+               objID.parseNetData(in);
+            }
+
+            try {
+               packet = msgTable[cmdType].newInstance();
+            } catch (Exception var8) {
+               System.out.println(var8 + ": " + var8.getMessage());
+
+               assert false;
+            }
+
+            packet.init(objID);
+            packet.parseNetData(in);
+            this._msgQ.addElement(packet);
+            yield();
+         } while (!in.isEmpty() && isCO);
+
+         assert in.isEmpty();
+      } else {
+         System.out.println("UNKNOWN SERVER MSG#" + String.valueOf(cmdType));
+         in.skipBytes(in.bytesLeft());
+
+         assert in.isEmpty();
+      }
+   }
+
+   @Override
+   public void run() {
+      try {
+         while (true) {
+            this.buildMsg();
+         }
+      } catch (IOException var2) {
+         this._msgQ.addElement(new ExceptionCmd(var2));
+      }
+   }
+}
-- 
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