From a2af952c687ff666208a316d8b7b4e394df19d2f Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 9 Sep 2015 22:15:19 +0300
Subject: Read server packet version from server (hercules).

---
 src/client.cpp                |  2 ++
 src/dyetool/client.cpp        |  1 +
 src/net/eathena/loginrecv.cpp | 16 ++++++++++++++++
 src/net/tmwa/loginrecv.cpp    |  3 +++
 4 files changed, 22 insertions(+)

(limited to 'src')

diff --git a/src/client.cpp b/src/client.cpp
index 8c8276f7e..d0c4e38c0 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -171,6 +171,7 @@ extern FPSmanager fpsManager;
 volatile bool runCounters;
 bool isSafeMode = false;
 int serverVersion = 0;
+int packetVersion = 0;
 unsigned int tmwServerVersion = 0;
 int start_time;
 unsigned int mLastHost = 0;
@@ -1010,6 +1011,7 @@ int Client::gameExec()
 
                     loginData.clearUpdateHost();
                     serverVersion = 0;
+                    packetVersion = 0;
                     tmwServerVersion = 0;
 
                     // Allow changing this using a server choice dialog
diff --git a/src/dyetool/client.cpp b/src/dyetool/client.cpp
index 77964bd17..72e58385e 100644
--- a/src/dyetool/client.cpp
+++ b/src/dyetool/client.cpp
@@ -94,6 +94,7 @@ extern FPSmanager fpsManager;
 volatile bool runCounters;
 bool isSafeMode = false;
 int serverVersion = 0;
+int packetVersion = 0;
 unsigned int tmwServerVersion = 0;
 int start_time;
 unsigned int mLastHost = 0;
diff --git a/src/net/eathena/loginrecv.cpp b/src/net/eathena/loginrecv.cpp
index 472ce76be..cd0a09060 100644
--- a/src/net/eathena/loginrecv.cpp
+++ b/src/net/eathena/loginrecv.cpp
@@ -35,6 +35,8 @@
 
 #include "debug.h"
 
+extern int packetVersion;
+
 namespace EAthena
 {
 
@@ -145,9 +147,23 @@ void LoginRecv::processServerVersion(Net::MessageIn &msg)
     msg.readInt32("unused");
     serverVersion = msg.readInt32("server version");
     if (serverVersion > 0)
+    {
         logger->log("Evol2 server version: %d", serverVersion);
+        if (serverVersion >= 8)
+        {
+            packetVersion = msg.readInt32("packet version");
+            logger->log("Hercules packet version: %d", packetVersion);
+        }
+        else
+        {
+            packetVersion = 20150000;
+            logger->log("Possible hercules packet version: %d", packetVersion);
+        }
+    }
     else
+    {
         logger->log("Hercules without version");
+    }
     client->setState(STATE_LOGIN);
 }
 
diff --git a/src/net/tmwa/loginrecv.cpp b/src/net/tmwa/loginrecv.cpp
index 772691573..d5ca68241 100644
--- a/src/net/tmwa/loginrecv.cpp
+++ b/src/net/tmwa/loginrecv.cpp
@@ -33,6 +33,8 @@
 
 #include "debug.h"
 
+extern int packetVersion;
+
 namespace TmwAthena
 {
 
@@ -45,6 +47,7 @@ enum ServerFlags
 
 void LoginRecv::processServerVersion(Net::MessageIn &msg)
 {
+    packetVersion = 0;
     const uint8_t b1 = msg.readUInt8("b1");  // -1
     const uint8_t b2 = msg.readUInt8("b2");
     const uint8_t b3 = msg.readUInt8("b3");
-- 
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