From 0024073cee37a5f9cb404220743772548cdb4670 Mon Sep 17 00:00:00 2001
From: KimLS <KimLS@peqtgc.com>
Date: Tue, 24 Mar 2026 23:59:42 -0700
Subject: [PATCH] Login exploration

---
 obr/packets/login/OP_ChatMessage.txt   | 19 +++++++++++++++++++
 obr/packets/login/OP_ExpansionList.txt |  1 +
 obr/packets/login/OP_Login.txt         | 18 ++++++++++++++++++
 obr/packets/login/OP_SessionReady.txt  | 16 ++++++++++++++++
 4 files changed, 54 insertions(+)
 create mode 100644 obr/packets/login/OP_ChatMessage.txt
 create mode 100644 obr/packets/login/OP_ExpansionList.txt
 create mode 100644 obr/packets/login/OP_Login.txt
 create mode 100644 obr/packets/login/OP_SessionReady.txt

diff --git a/obr/packets/login/OP_ChatMessage.txt b/obr/packets/login/OP_ChatMessage.txt
new file mode 100644
index 000000000..9455318f0
--- /dev/null
+++ b/obr/packets/login/OP_ChatMessage.txt
@@ -0,0 +1,19 @@
+// 0x01
+
+struct LoginBase
+{
+    u32 sequence_id;
+    u8 compressed;
+    u8 encrypt_type;
+    u32 unknown08;
+};
+
+struct Packet {
+    LoginBase base;
+    u8 success;
+    s32 error_str_id;
+    char error_msg[];
+    char other_msg[];
+};
+
+Packet packet @0x00;
\ No newline at end of file
diff --git a/obr/packets/login/OP_ExpansionList.txt b/obr/packets/login/OP_ExpansionList.txt
new file mode 100644
index 000000000..7931c18b4
--- /dev/null
+++ b/obr/packets/login/OP_ExpansionList.txt
@@ -0,0 +1 @@
+// 0x30
\ No newline at end of file
diff --git a/obr/packets/login/OP_Login.txt b/obr/packets/login/OP_Login.txt
new file mode 100644
index 000000000..3743394da
--- /dev/null
+++ b/obr/packets/login/OP_Login.txt
@@ -0,0 +1,18 @@
+// 0x02
+
+#include <std/mem.pat>
+
+struct LoginBase
+{
+    u32 sequence_id;
+    u8 compressed;
+    u8 encrypt_type;
+    u32 unknown08;
+};
+
+struct Packet {
+    LoginBase base;
+    u8 payload[std::mem::size() - $];
+};
+
+Packet packet @0x00;
diff --git a/obr/packets/login/OP_SessionReady.txt b/obr/packets/login/OP_SessionReady.txt
new file mode 100644
index 000000000..3be35d4e2
--- /dev/null
+++ b/obr/packets/login/OP_SessionReady.txt
@@ -0,0 +1,16 @@
+// 0x01
+
+struct LoginBase
+{
+    u32 sequence_id;
+    u8 compressed;
+    u8 encrypt_type;
+    u32 unknown08;
+};
+
+struct Packet {
+    LoginBase base;
+    u16 unknown0a;
+};
+
+Packet packet @0x00;