From 2a6c9ee76ce4a8b7e647e1bd954bdb69d3fe4eec Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Tue, 22 Apr 2025 18:15:13 -0400
Subject: [PATCH] Add support for Shanda (Chinese) logins to the lobby server

This only means logging into the lobby server works, trying to login to
a World doesn't work as even the current version is too old. It probably
won't work without modifications anyway.
---
 resources/opcodes.json  | 5 +++++
 src/bin/kawari-lobby.rs | 5 +++++
 src/lobby/ipc/mod.rs    | 6 ++++++
 3 files changed, 16 insertions(+)

diff --git a/resources/opcodes.json b/resources/opcodes.json
index 720cd27..8df8354 100644
--- a/resources/opcodes.json
+++ b/resources/opcodes.json
@@ -330,6 +330,11 @@
             "name": "LobbyCharacterAction",
             "opcode": 11,
             "size": 496
+        },
+        {
+            "name": "ShandaLogin",
+            "opcode": 6,
+            "size": 1456
         }
     ]
 }
diff --git a/src/bin/kawari-lobby.rs b/src/bin/kawari-lobby.rs
index f7f9d1b..bb80c6c 100644
--- a/src/bin/kawari-lobby.rs
+++ b/src/bin/kawari-lobby.rs
@@ -107,6 +107,11 @@ async fn main() {
                                 ClientLobbyIpcData::LobbyCharacterAction(character_action) => {
                                     connection.handle_character_action(character_action).await
                                 }
+                                ClientLobbyIpcData::ShandaLogin { unk } => {
+                                    dbg!(unk);
+
+                                    connection.send_account_list().await;
+                                }
                                 ClientLobbyIpcData::RequestEnterWorld {
                                     sequence,
                                     content_id,
diff --git a/src/lobby/ipc/mod.rs b/src/lobby/ipc/mod.rs
index 98dd2cf..8284581 100644
--- a/src/lobby/ipc/mod.rs
+++ b/src/lobby/ipc/mod.rs
@@ -115,6 +115,12 @@ pub enum ClientLobbyIpcData {
         content_id: u64,
         // TODO: what else is in here?
     },
+    #[br(pre_assert(*magic == ClientLobbyIpcType::ShandaLogin))]
+    ShandaLogin {
+        #[bw(pad_size_to = 1456)]
+        #[br(count = 1456)]
+        unk: Vec<u8>,
+    },
 }
 
 #[binrw]