From 769c041207521e8b5fd46a616b499fe21088c9a7 Mon Sep 17 00:00:00 2001
From: mrb0nk500 <b0nk@b0nk.xyz>
Date: Mon, 20 Mar 2023 14:02:23 -0300
Subject: TProtocol: Start work on the command senders

---
 context.h                    | 27 +++++++++++++++++++
 include/pso/TProtocol.h      |  9 +++++++
 include/pso/packet_classes.h | 18 +++++++++++++
 src/pso/TProtocol.cpp        | 63 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 117 insertions(+)

diff --git a/context.h b/context.h
index 3429793..ebda7eb 100644
--- a/context.h
+++ b/context.h
@@ -1235,6 +1235,24 @@ public:
 };
 
 // pso/packet_classes.h
+class TRegister {
+public:
+	packet_header header;
+	TPlySmth smth;
+	u32 sub_version;
+	u8 is_extended;
+	u8 language;
+	u16 unknown;
+	char serial_number[16];
+	char access_key[16];
+public:
+	void bswap() {
+		header.bswap();
+		smth.bswap();
+		bswap_32(&sub_version);
+	};
+};
+
 class TRecvPort {
 public:
 	packet_header header;
@@ -1627,5 +1645,14 @@ public:
 	void recv_emergency_call(packet &pkt);
 
 	// Send command handlers.
+	// 0x03
+	void send_regist();
+	// 0x04
+	void send_login2(int disable_udp);
+	// Doesn't send a command.
 	int send_login3();
+	// 0x05
+	void send_logout();
+	// 0x06
+	void send_chat(TPlyGuildCardTag &tag, char *mesg);
 };
diff --git a/include/pso/TProtocol.h b/include/pso/TProtocol.h
index 6991c67..31e6eab 100644
--- a/include/pso/TProtocol.h
+++ b/include/pso/TProtocol.h
@@ -245,7 +245,16 @@ public:
 	void recv_emergency_call(packet &pkt);
 
 	// Send command handlers.
+	// 0x03
+	void send_regist();
+	// 0x04
+	void send_login2(int disable_udp);
+	// Doesn't send a command.
 	int send_login3();
+	// 0x05
+	void send_logout();
+	// 0x06
+	void send_chat(TPlyGuildCardTag &tag, char *mesg);
 };
 
 #endif
diff --git a/include/pso/packet_classes.h b/include/pso/packet_classes.h
index 7fbec48..98f45bc 100644
--- a/include/pso/packet_classes.h
+++ b/include/pso/packet_classes.h
@@ -83,6 +83,24 @@ union game_command_union {
 	u8 bytes[1024];
 };
 
+class TRegister {
+public:
+	packet_header header;
+	TPlySmth smth;
+	u32 sub_version;
+	u8 is_extended;
+	u8 language;
+	u16 unknown;
+	char serial_number[16];
+	char access_key[16];
+public:
+	void bswap() {
+		header.bswap();
+		smth.bswap();
+		bswap_32(&sub_version);
+	};
+};
+
 class TRecvPort {
 public:
 	packet_header header;
diff --git a/src/pso/TProtocol.cpp b/src/pso/TProtocol.cpp
index e9b3226..5638a4d 100644
--- a/src/pso/TProtocol.cpp
+++ b/src/pso/TProtocol.cpp
@@ -24,6 +24,35 @@ void copy_packet(struct packet *pkt) {
 
 }
 
+void TProtocol::send_chat(TPlyGuildCardTag &tag, char *mesg) {
+	if (m_connected) {
+		TMessageBox tmp;
+
+		memset(&tmp, 0, sizeof(tmp));
+		tmp.header.command = 0x06;
+		tmp.header.flags = 0;
+		tmp.tag = tag;
+		strncpy(tmp.mesg, mesg, sizeof(tmp.mesg) - 1);
+		tmp.header.size = (strlen(tmp.mesg) + 16) & ~3;
+		// NOTE: Both the `const`ness of it, and it's placement
+		//       here are required to match.
+		const u16 size = tmp.header.size;
+
+		tmp.bswap();
+
+		send(as(u8 *, &tmp), size);
+	}
+}
+void TProtocol::send_logout() {
+	packet_header tmp;
+	tmp.command = 0x05;
+	tmp.flags = 0;
+	tmp.size = sizeof(tmp);
+	tmp.bswap();
+
+	send(as(u8 *, &tmp), sizeof(tmp));
+}
+
 int TProtocol::send_login3() {
 	int ret;
 	set_ip_address(new_ip_addr);
@@ -41,6 +70,40 @@ int TProtocol::send_login3() {
 	return ret;
 }
 
+void TProtocol::send_login2(int disable_udp) {
+	m_udp_disabled = disable_udp;
+	TRegister tmp;
+
+	memset(&tmp, 0, sizeof(tmp));
+	tmp.header.command = 0x04;
+	tmp.header.flags = m_udp_disabled;
+	tmp.header.size = sizeof(tmp);
+	tmp.smth = m_smth;
+	tmp.sub_version = m_sub_version;
+	tmp.language = m_language;
+	strncpy(tmp.serial_number, m_serial_number, sizeof(tmp.serial_number));
+	strncpy(tmp.access_key, m_access_key, sizeof(tmp.access_key));
+
+	tmp.bswap();
+	send(as(u8 *, &tmp), sizeof(tmp));
+}
+
+void TProtocol::send_regist() {
+	TRegister tmp;
+
+	memset(&tmp, 0, sizeof(tmp));
+	tmp.header.command = 0x03;
+	tmp.header.size = sizeof(tmp);
+	tmp.smth = m_smth;
+	tmp.sub_version = m_sub_version;
+	tmp.language = m_language;
+	strncpy(tmp.serial_number, m_serial_number, sizeof(tmp.serial_number));
+	strncpy(tmp.access_key, m_access_key, sizeof(tmp.access_key));
+
+	tmp.bswap();
+	send(as(u8 *, &tmp), sizeof(tmp));
+}
+
 void TProtocol::recv_emergency_call(packet &pkt) {
 	TMessageBox tmp = as(TMessageBox &, pkt);
 	tmp.bswap();
-- 
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