From 9a62661a3b833f7f74f65c1733af8d3a25af9702 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 3 Dec 2014 20:32:25 +0300
Subject: eathena: add packets CMSG_CHAT_JOIN_CHANNEL 0x0b07 and
 SMSG_CHAT_JOIN_CHANNEL 0x0b08

---
 src/net/eathena/chathandler.cpp | 47 ++++++++++++++++++++++++++++++++++++++---
 src/net/eathena/chathandler.h   |  2 ++
 src/net/eathena/packets.h       |  2 +-
 src/net/eathena/protocol.h      |  2 ++
 4 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/src/net/eathena/chathandler.cpp b/src/net/eathena/chathandler.cpp
index 9e1954679..4c3340836 100644
--- a/src/net/eathena/chathandler.cpp
+++ b/src/net/eathena/chathandler.cpp
@@ -31,6 +31,7 @@
 #include "gui/windows/chatwindow.h"
 
 #include "net/mercenaryhandler.h"
+#include "net/serverfeatures.h"
 
 #include "net/eathena/messageout.h"
 #include "net/eathena/protocol.h"
@@ -71,6 +72,7 @@ ChatHandler::ChatHandler() :
         SMSG_CHAT_DISPLAY,
         SMSG_CHAT_JOIN_ACK,
         SMSG_CHAT_LEAVE,
+        SMSG_CHAT_JOIN_CHANNEL,
         0
     };
     handledMessages = _messages;
@@ -147,6 +149,10 @@ void ChatHandler::handleMessage(Net::MessageIn &msg)
             processChatLeave(msg);
             break;
 
+        case SMSG_CHAT_JOIN_CHANNEL:
+            processJoinChannel(msg);
+            break;
+
         default:
             break;
     }
@@ -600,9 +606,44 @@ void ChatHandler::processChatLeave(Net::MessageIn &msg)
 
 void ChatHandler::joinChannel(const std::string &channel)
 {
-    // to join channel need use gm commands or send something.
-    // here we sending invisible message.
-    channelMessage(channel, "\302\202\302");
+    if (serverFeatures->haveJoinChannel())
+    {
+        createOutPacket(CMSG_CHAT_JOIN_CHANNEL);
+        outMsg.writeString(channel, 24, "channel name");
+    }
+    else
+    {
+        channelMessage(channel, "\302\202\302");
+    }
+}
+
+void ChatHandler::processJoinChannel(Net::MessageIn &msg)
+{
+    if (!chatWindow)
+        return;
+
+    const std::string channel = msg.readString(24, "channel name");
+    int flag = msg.readUInt8("flag");
+
+    if (channel.size() < 2)
+        return;
+    switch (flag)
+    {
+        case 0:
+        default:
+            chatWindow->channelChatLog(channel,
+                // TRANSLATORS: chat message
+                strprintf(_("Can't open channel. Channel "
+                "%s is not exists."), channel.c_str()),
+                ChatMsgType::BY_SERVER, false, false);
+            break;
+
+        case 1:
+        case 2:
+            chatWindow->addChannelTab(std::string("#").append(
+                channel.substr(1)), false);
+            break;
+    }
 }
 
 }  // namespace EAthena
diff --git a/src/net/eathena/chathandler.h b/src/net/eathena/chathandler.h
index c48d74470..f3893521e 100644
--- a/src/net/eathena/chathandler.h
+++ b/src/net/eathena/chathandler.h
@@ -113,6 +113,8 @@ class ChatHandler final : public MessageHandler, public Ea::ChatHandler
         static void processChatJoinAck(Net::MessageIn &msg);
 
         static void processChatLeave(Net::MessageIn &msg);
+
+        static void processJoinChannel(Net::MessageIn &msg);
 };
 
 }  // namespace EAthena
diff --git a/src/net/eathena/packets.h b/src/net/eathena/packets.h
index 1945f4c0d..afec3c4e2 100644
--- a/src/net/eathena/packets.h
+++ b/src/net/eathena/packets.h
@@ -281,7 +281,7 @@ int16_t packet_lengths[] =
 //0    1    2    3    4    5    6    7    8    9    a    b    c    d    e    f
 //0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15
 // #0x0B00
- 16,  -1,  10,  -1,  -1,  -1,  -1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+ 16,  -1,  10,  -1,  -1,  -1,  -1,   0,  27,   0,   0,   0,   0,   0,   0,   0,
   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
diff --git a/src/net/eathena/protocol.h b/src/net/eathena/protocol.h
index ccbf2ac19..7834b3c14 100644
--- a/src/net/eathena/protocol.h
+++ b/src/net/eathena/protocol.h
@@ -249,6 +249,7 @@
 #define SMSG_CHAT_DISPLAY            0x00d7
 #define SMSG_CHAT_JOIN_ACK           0x00db
 #define SMSG_CHAT_LEAVE              0x00dd
+#define SMSG_CHAT_JOIN_CHANNEL       0x0b08
 
 #define SMSG_MAIL_OPEN_WINDOW        0x0260
 
@@ -347,6 +348,7 @@
 #define CMSG_CHAT_WHISPER            0x0096
 #define CMSG_CHAT_WHO                0x00c1
 #define CMSG_CHAT_JOIN               0x00d9
+#define CMSG_CHAT_JOIN_CHANNEL       0x0b07
 #define CMSG_BATTLE_CHAT_MESSAGE     0x02db
 
 #define CMSG_CREAYE_CHAT_ROOM        0x00d5
-- 
cgit v1.2.3-60-g2f50