From ea13520ca93ef5c89e151a163c393002b0db43c3 Mon Sep 17 00:00:00 2001
From: Andrew Gutekanst <andrew.gutekanst@gmail.com>
Date: Thu, 23 Jan 2020 14:46:15 -0500
Subject: [PATCH] Implement MsgSysReserveStage

---
 network/mhfpacket/msg_sys_reserve_stage.go | 15 ++++++++++++---
 server/channelserver/handlers.go           |  8 +++++++-
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/network/mhfpacket/msg_sys_reserve_stage.go b/network/mhfpacket/msg_sys_reserve_stage.go
index daf097bd2..d6c65f7ea 100644
--- a/network/mhfpacket/msg_sys_reserve_stage.go
+++ b/network/mhfpacket/msg_sys_reserve_stage.go
@@ -6,7 +6,12 @@ import (
 )
 
 // MsgSysReserveStage represents the MSG_SYS_RESERVE_STAGE
-type MsgSysReserveStage struct{}
+type MsgSysReserveStage struct {
+	AckHandle     uint32
+	Unk0          uint8 // Made with: `16 * x | 1;`, unknown `x` values.
+	StageIDLength uint8
+	StageID       string // NULL terminated string.
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgSysReserveStage) Opcode() network.PacketID {
@@ -15,10 +20,14 @@ func (m *MsgSysReserveStage) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysReserveStage) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint8()
+	m.StageIDLength = bf.ReadUint8()
+	m.StageID = string(bf.ReadBytes(uint(m.StageIDLength)))
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysReserveStage) Build(bf *byteframe.ByteFrame) error {
 	panic("Not implemented")
-}
\ No newline at end of file
+}
diff --git a/server/channelserver/handlers.go b/server/channelserver/handlers.go
index 74a7aa8ef..2b9126034 100644
--- a/server/channelserver/handlers.go
+++ b/server/channelserver/handlers.go
@@ -287,7 +287,13 @@ func handleMsgSysLockStage(s *Session, p mhfpacket.MHFPacket) {}
 
 func handleMsgSysUnlockStage(s *Session, p mhfpacket.MHFPacket) {}
 
-func handleMsgSysReserveStage(s *Session, p mhfpacket.MHFPacket) {}
+func handleMsgSysReserveStage(s *Session, p mhfpacket.MHFPacket) {
+	pkt := p.(*mhfpacket.MsgSysReserveStage)
+
+	fmt.Printf("Got reserve stage req, Unk0:%v, StageID:%q\n", pkt.Unk0, pkt.StageID)
+
+	s.QueueAck(pkt.AckHandle, []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+}
 
 func handleMsgSysUnreserveStage(s *Session, p mhfpacket.MHFPacket) {}