From 668c0cc22b57e5eb24e90dfa8eb90874f9279cf0 Mon Sep 17 00:00:00 2001
From: zamalaev <zamalaev88@mail.ru>
Date: Wed, 19 Feb 2020 12:15:01 +0000
Subject: [PATCH] SMSG_AUTH_RESPONSE 5.4.7 18019

---
 src/game/Server/Opcodes.h        |   2 +-
 src/game/Server/WorldSession.cpp | 103 +++++++++++++++++++++++++++++--
 src/game/Server/WorldSession.h   |   1 +
 3 files changed, 99 insertions(+), 7 deletions(-)

diff --git a/src/game/Server/Opcodes.h b/src/game/Server/Opcodes.h
index 40e21b981..ae28c7050 100644
--- a/src/game/Server/Opcodes.h
+++ b/src/game/Server/Opcodes.h
@@ -44,7 +44,7 @@ enum Opcodes
     MSG_WOW_CONNECTION                                    = 0x4F57, // 4.3.4 15595
     SMSG_AUTH_CHALLENGE                                   = 0x0221, // 5.3.0 17055
     CMSG_AUTH_SESSION                                     = 0x14DA, // 5.4.1 17538
-    SMSG_AUTH_RESPONSE                                    = 0x0890, // 5.3.0 17055
+    SMSG_AUTH_RESPONSE                                    = 0x15A0, // 5.4.7 18019
     MSG_NULL_ACTION                                       = 0x1001,
     CMSG_BOOTME                                           = 0x1002,
     CMSG_DBLOOKUP                                         = 0x1003,
diff --git a/src/game/Server/WorldSession.cpp b/src/game/Server/WorldSession.cpp
index f1aa44145..e2a37ac9e 100644
--- a/src/game/Server/WorldSession.cpp
+++ b/src/game/Server/WorldSession.cpp
@@ -846,24 +846,115 @@ void WorldSession::SendAuthWaitQue(uint32 position)
 {
     if (position == 0)
     {
-        WorldPacket packet( SMSG_AUTH_RESPONSE, 2 );
-        packet.WriteBit(false);
-        packet.WriteBit(false);
-        packet << uint8( AUTH_OK );
+        WorldPacket packet(SMSG_AUTH_RESPONSE, 1);
+        packet.WriteBit(false);     // no account data
+        packet.WriteBit(false);     // no queue
+        packet << uint8(AUTH_OK);
         SendPacket(&packet);
     }
     else
     {
-        WorldPacket packet( SMSG_AUTH_RESPONSE, 1+4+1 );
+        WorldPacket packet(SMSG_AUTH_RESPONSE, 6);
+        packet.WriteBit(false);     // has account data
         packet.WriteBit(true);      // has queue
         packet.WriteBit(false);     // unk queue-related
-        packet.WriteBit(false);     // has account info
         packet << uint8(AUTH_WAIT_QUEUE);
         packet << uint32(position);
         SendPacket(&packet);
     }
 }
 
+struct ExpansionInfoStrunct
+{
+    uint8 raceOrClass;
+    uint8 expansion;
+};
+
+ExpansionInfoStrunct classExpansionInfo[MAX_CLASSES - 1] =
+{
+    { 1, 0 },
+    { 2, 0 },
+    { 3, 0 },
+    { 4, 0 },
+    { 5, 0 },
+    { 6, 2 },
+    { 7, 0 },
+    { 8, 0 },
+    { 9, 0 },
+    { 10, 4 },
+    { 11, 0 }
+};
+
+ExpansionInfoStrunct raceExpansionInfo[MAX_PLAYABLE_RACES] =
+{
+    { 1, 0 },
+    { 2, 0 },
+    { 3, 0 },
+    { 4, 0 },
+    { 5, 0 },
+    { 6, 0 },
+    { 7, 0 },
+    { 8, 0 },
+    { 9, 3 },
+    { 10, 1 },
+    { 11, 1 },
+    { 22, 3 },
+    { 24, 4 },
+    { 25, 4 },
+    { 26, 4 }
+};
+
+void WorldSession::SendAuthResponse(uint8 code, bool queued, uint32 queuePos)
+{
+    bool hasAccountData = true;
+
+    WorldPacket packet(SMSG_AUTH_RESPONSE, 1 /*bits*/ + 4 + 1 + 4 + 1 + 4 + 1 + 1 + (queued ? 4 : 0));
+    packet << uint8(code);
+    packet.WriteBit(queued);                            // IsInQueue
+    if (queued)
+        packet.WriteBit(1);                             // unk
+
+    packet.WriteBit(hasAccountData);
+    if (hasAccountData)
+    {
+        packet.WriteBit(0);
+        packet.WriteBits(0, 21);
+        packet.WriteBits(0, 21);
+        packet.WriteBits(MAX_PLAYABLE_RACES, 23);
+        packet.WriteBit(0);
+        packet.WriteBit(0);
+        packet.WriteBit(0);
+        packet.WriteBits(MAX_CLASSES - 1, 23);
+
+        packet << uint32(0);
+        packet << uint32(0);
+        packet << uint8(5); //TODO: FIXME uint8(Expansion());                   // Unknown, these two show the same
+
+        for (uint8 i = 0; i < MAX_PLAYABLE_RACES; ++i)
+        {
+            packet << uint8(raceExpansionInfo[i].expansion);
+            packet << uint8(raceExpansionInfo[i].raceOrClass);
+        }
+
+        packet << uint8(5); //TODO: FIXME uint8(Expansion());                   // Unknown, these two show the same
+        packet << uint32(0);
+
+        for (uint8 i = 0; i < MAX_CLASSES - 1; ++i)
+        {
+            packet << uint8(classExpansionInfo[i].raceOrClass);
+            packet << uint8(classExpansionInfo[i].expansion);
+        }
+
+        packet << uint32(0);
+        packet << uint32(0);
+    }
+
+    if (queued)
+        packet << uint32(queuePos);
+
+    SendPacket(&packet);
+}
+
 void WorldSession::LoadGlobalAccountData()
 {
     LoadAccountData(
diff --git a/src/game/Server/WorldSession.h b/src/game/Server/WorldSession.h
index 35cbc0c5e..fb299fdfe 100644
--- a/src/game/Server/WorldSession.h
+++ b/src/game/Server/WorldSession.h
@@ -349,6 +349,7 @@ class WorldSession
         void SendNameQueryOpcode(Player* p);
         void SendNameQueryOpcodeFromDB(ObjectGuid guid);
         static void SendNameQueryOpcodeFromDBCallBack(QueryResult* result, uint32 accountId);
+        void SendAuthResponse(uint8 code, bool queued, uint32 queuePos = 0);
 
         void SendTrainerList(ObjectGuid guid);
         void SendTrainerList(ObjectGuid guid, const std::string& strTitle);