From 6be1e0c92789f93f43f0ce46fe923a4e36915aa5 Mon Sep 17 00:00:00 2001
From: wish <wish@sek.ai>
Date: Sun, 22 Jan 2023 22:43:34 +1100
Subject: [PATCH] handle stampcard progression

---
 network/mhfpacket/msg_mhf_stampcard_stamp.go | 48 ++++++++++----------
 patch-schema/stampcard.sql                   |  5 ++
 server/channelserver/handlers.go             | 28 ++++++++++--
 3 files changed, 53 insertions(+), 28 deletions(-)
 create mode 100644 patch-schema/stampcard.sql

diff --git a/network/mhfpacket/msg_mhf_stampcard_stamp.go b/network/mhfpacket/msg_mhf_stampcard_stamp.go
index fd0e0ef1e..8d18ae971 100644
--- a/network/mhfpacket/msg_mhf_stampcard_stamp.go
+++ b/network/mhfpacket/msg_mhf_stampcard_stamp.go
@@ -1,27 +1,25 @@
 package mhfpacket
 
-import ( 
- "errors" 
+import (
+	"errors"
 
- 	"erupe-ce/network/clientctx"
-	"erupe-ce/network"
 	"erupe-ce/common/byteframe"
+	"erupe-ce/network"
+	"erupe-ce/network/clientctx"
 )
 
 // MsgMhfStampcardStamp represents the MSG_MHF_STAMPCARD_STAMP
 type MsgMhfStampcardStamp struct {
-	// Field-size accurate.
 	AckHandle uint32
-	Unk0      uint16
-	Unk1      uint16
-	Unk2      uint16
-	Unk3      uint16 // Hardcoded 0 in binary
-	Unk4      uint32
-	Unk5      uint32
-	Unk6      uint32
-	Unk7      uint32
-	Unk8      uint32
-	Unk9      uint32
+	HR        uint16
+	GR        uint16
+	Stamps    uint16
+	Reward1   uint16
+	Reward2   uint16
+	Item1     uint16
+	Item2     uint16
+	Quantity1 uint16
+	Quantity2 uint16
 }
 
 // Opcode returns the ID associated with this packet type.
@@ -32,16 +30,16 @@ func (m *MsgMhfStampcardStamp) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfStampcardStamp) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint16()
-	m.Unk1 = bf.ReadUint16()
-	m.Unk2 = bf.ReadUint16()
-	m.Unk3 = bf.ReadUint16()
-	m.Unk4 = bf.ReadUint32()
-	m.Unk5 = bf.ReadUint32()
-	m.Unk6 = bf.ReadUint32()
-	m.Unk7 = bf.ReadUint32()
-	m.Unk8 = bf.ReadUint32()
-	m.Unk9 = bf.ReadUint32()
+	m.HR = bf.ReadUint16()
+	m.GR = bf.ReadUint16()
+	m.Stamps = bf.ReadUint16()
+	_ = bf.ReadUint16()
+	m.Reward1 = uint16(bf.ReadUint32())
+	m.Reward2 = uint16(bf.ReadUint32())
+	m.Item1 = uint16(bf.ReadUint32())
+	m.Item2 = uint16(bf.ReadUint32())
+	m.Quantity1 = uint16(bf.ReadUint32())
+	m.Quantity2 = uint16(bf.ReadUint32())
 	return nil
 }
 
diff --git a/patch-schema/stampcard.sql b/patch-schema/stampcard.sql
new file mode 100644
index 000000000..f2c6b7d10
--- /dev/null
+++ b/patch-schema/stampcard.sql
@@ -0,0 +1,5 @@
+BEGIN;
+
+ALTER TABLE characters ADD stampcard INT NOT NULL DEFAULT 0;
+
+END;
\ No newline at end of file
diff --git a/server/channelserver/handlers.go b/server/channelserver/handlers.go
index 78c012ced..0194e18e6 100644
--- a/server/channelserver/handlers.go
+++ b/server/channelserver/handlers.go
@@ -1545,9 +1545,31 @@ func handleMsgMhfUpdateEtcPoint(s *Session, p mhfpacket.MHFPacket) {
 
 func handleMsgMhfStampcardStamp(s *Session, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfStampcardStamp)
-	// TODO: Work out where it gets existing stamp count from, its format and then
-	// update the actual sent values to be correct
-	doAckBufSucceed(s, pkt.AckHandle, []byte{0x03, 0xe7, 0x03, 0xe7, 0x02, 0x99, 0x02, 0x9c, 0x00, 0x00, 0x00, 0x00, 0x14, 0xf8, 0x69, 0x54})
+	bf := byteframe.NewByteFrame()
+	bf.WriteUint16(pkt.HR)
+	bf.WriteUint16(pkt.GR)
+	var stamps uint16
+	_ = s.server.db.QueryRow(`SELECT stampcard FROM characters WHERE id = $1`, s.charID).Scan(&stamps)
+	bf.WriteUint16(stamps)
+	stamps += pkt.Stamps
+	bf.WriteUint16(stamps)
+	s.server.db.Exec(`UPDATE characters SET stampcard = $1 WHERE id = $2`, stamps, s.charID)
+	if stamps%30 == 0 {
+		bf.WriteUint16(2)
+		bf.WriteUint16(pkt.Reward2)
+		bf.WriteUint16(pkt.Item2)
+		bf.WriteUint16(pkt.Quantity2)
+		addWarehouseGift(s, "item", mhfpacket.WarehouseStack{ItemID: pkt.Item2, Quantity: pkt.Quantity2})
+	} else if stamps%15 == 0 {
+		bf.WriteUint16(1)
+		bf.WriteUint16(pkt.Reward1)
+		bf.WriteUint16(pkt.Item1)
+		bf.WriteUint16(pkt.Quantity1)
+		addWarehouseGift(s, "item", mhfpacket.WarehouseStack{ItemID: pkt.Item1, Quantity: pkt.Quantity1})
+	} else {
+		bf.WriteBytes(make([]byte, 8))
+	}
+	doAckBufSucceed(s, pkt.AckHandle, bf.Data())
 }
 
 func handleMsgMhfStampcardPrize(s *Session, p mhfpacket.MHFPacket) {}