decode various Ryoudama packets

2025-12-14 07:55:33 +01:00 · 2023-05-28 16:01:16 +10:00
parent 0703577571
commit 430f27cfc3
4 changed files with 83 additions and 22 deletions
--- a/network/mhfpacket/msg_mhf_get_ryoudama.go
+++ b/network/mhfpacket/msg_mhf_get_ryoudama.go
@@ -11,8 +11,8 @@ import (
 // MsgMhfGetRyoudama represents the MSG_MHF_GET_RYOUDAMA
 type MsgMhfGetRyoudama struct {
 	AckHandle uint32
-	Unk0      uint8
-	Unk1      uint8
+	Request1  uint8
+	Request2  uint8
 	GuildID   uint32
 	Unk3      uint8
 }
@@ -25,8 +25,8 @@ func (m *MsgMhfGetRyoudama) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfGetRyoudama) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint8()
-	m.Unk1 = bf.ReadUint8()
+	m.Request1 = bf.ReadUint8()
+	m.Request2 = bf.ReadUint8()
 	m.GuildID = bf.ReadUint32()
 	m.Unk3 = bf.ReadUint8()
 	return nil
--- a/network/mhfpacket/msg_mhf_get_tiny_bin.go
+++ b/network/mhfpacket/msg_mhf_get_tiny_bin.go
@@ -1,19 +1,20 @@
 package mhfpacket

-import ( 
- "errors" 
+import (
+	"errors"

- 	"erupe-ce/network/clientctx"
-	"erupe-ce/network"
 	"erupe-ce/common/byteframe"
+	"erupe-ce/network"
+	"erupe-ce/network/clientctx"
 )

 // MsgMhfGetTinyBin represents the MSG_MHF_GET_TINY_BIN
 type MsgMhfGetTinyBin struct {
 	// Communicator type, multi-format. This might be valid for only one type.
 	AckHandle uint32
-	Unk0      uint16
+	Unk0      uint8
 	Unk1      uint8
+	Unk2      uint8
 }

 // Opcode returns the ID associated with this packet type.
@@ -24,8 +25,9 @@ func (m *MsgMhfGetTinyBin) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfGetTinyBin) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint16()
+	m.Unk0 = bf.ReadUint8()
 	m.Unk1 = bf.ReadUint8()
+	m.Unk2 = bf.ReadUint8()
 	return nil
 }

--- a/network/mhfpacket/msg_mhf_post_tiny_bin.go
+++ b/network/mhfpacket/msg_mhf_post_tiny_bin.go
@@ -11,9 +11,10 @@ import (
 // MsgMhfPostTinyBin represents the MSG_MHF_POST_TINY_BIN
 type MsgMhfPostTinyBin struct {
 	AckHandle uint32
-	Unk0      uint16
+	Unk0      uint8
 	Unk1      uint8
 	Unk2      uint8
+	Unk3      uint8
 	Data      []byte
 }

@@ -25,9 +26,10 @@ func (m *MsgMhfPostTinyBin) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfPostTinyBin) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint16()
+	m.Unk0 = bf.ReadUint8()
 	m.Unk1 = bf.ReadUint8()
 	m.Unk2 = bf.ReadUint8()
+	m.Unk3 = bf.ReadUint8()
 	m.Data = bf.ReadBytes(uint(bf.ReadUint16()))
 	return nil
 }
--- a/server/channelserver/handlers_caravan.go
+++ b/server/channelserver/handlers_caravan.go
@@ -1,22 +1,79 @@
 package channelserver

 import (
-	"encoding/hex"
 	"erupe-ce/common/byteframe"
+	"erupe-ce/common/stringsupport"
 	"erupe-ce/network/mhfpacket"
 )

+type RyoudamaReward struct {
+	Unk0 uint8
+	Unk1 uint8
+	Unk2 uint16
+	Unk3 uint16
+	Unk4 uint16
+	Unk5 uint16
+}
+
+type RyoudamaKeyScore struct {
+	Unk0 uint8
+	Unk1 int32
+}
+
+type RyoudamaCharInfo struct {
+	CID  uint32
+	Unk0 int32
+	Name string
+}
+
+type RyoudamaBoostInfo struct {
+	Unk0 uint32
+	Unk1 uint32
+}
+
+type Ryoudama struct {
+	Reward    []RyoudamaReward
+	KeyScore  []RyoudamaKeyScore
+	CharInfo  []RyoudamaCharInfo
+	BoostInfo []RyoudamaBoostInfo
+	Score     []int32
+}
+
 func handleMsgMhfGetRyoudama(s *Session, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfGetRyoudama)
-	// likely guild related
-	// REQ: 00 04 13 53 8F 18 00
-	// RSP: 0A 21 8E AD 00 00 00 00 00 00 00 00 00 00 00 01 00 01 FE 4E
-	// REQ: 00 06 13 53 8F 18 00
-	// RSP: 0A 21 8E AD 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00
-	// REQ: 00 05 13 53 8F 18 00
-	// RSP: 0A 21 8E AD 00 00 00 00 00 00 00 00 00 00 00 0E 2A 15 9E CC 00 00 00 01 82 79 83 4E 83 8A 81 5B 83 69 00 00 00 00 1E 55 B0 2F 00 00 00 01 8D F7 00 00 00 00 00 00 00 00 00 00 00 00 2A 15 9E CC 00 00 00 02 82 79 83 4E 83 8A 81 5B 83 69 00 00 00 00 03 D5 30 56 00 00 00 02 95 BD 91 F2 97 42 00 00 00 00 00 00 00 00 3F 57 76 9F 00 00 00 03 93 56 92 6E 96 B3 97 70 00 00 00 00 00 00 38 D9 0E C4 00 00 00 03 87 64 83 78 83 42 00 00 00 00 00 00 00 00 23 F3 B9 77 00 00 00 04 82 B3 82 CC 82 DC 82 E9 81 99 00 00 00 00 3F 1B 17 9C 00 00 00 04 82 B1 82 A4 82 BD 00 00 00 00 00 00 00 00 00 B9 F9 C0 00 00 00 05 82 CD 82 E9 82 A9 00 00 00 00 00 00 00 00 23 9F 9A EA 00 00 00 05 83 70 83 62 83 4C 83 83 83 49 00 00 00 00 38 D9 0E C4 00 00 00 06 87 64 83 78 83 42 00 00 00 00 00 00 00 00 1E 55 B0 2F 00 00 00 06 8D F7 00 00 00 00 00 00 00 00 00 00 00 00 03 D5 30 56 00 00 00 07 95 BD 91 F2 97 42 00 00 00 00 00 00 00 00 02 D3 B8 77 00 00 00 07 6F 77 6C 32 35 32 35 00 00 00 00 00 00 00
-	data, _ := hex.DecodeString("0A218EAD0000000000000000000000010000000000000000")
-	doAckBufSucceed(s, pkt.AckHandle, data)
+
+	bf := byteframe.NewByteFrame()
+	bf.WriteUint32(uint32(s.server.erupeConfig.DevModeOptions.EarthIDOverride))
+	bf.WriteUint32(0)
+	bf.WriteUint32(0)
+
+	ryoudama := Ryoudama{
+		Score: []int32{0},
+	}
+	switch pkt.Request2 {
+	case 4:
+		bf.WriteUint32(uint32(len(ryoudama.Score)))
+		for _, score := range ryoudama.Score {
+			bf.WriteInt32(score)
+		}
+	case 5:
+		bf.WriteUint32(uint32(len(ryoudama.CharInfo)))
+		for _, info := range ryoudama.CharInfo {
+			bf.WriteUint32(info.CID)
+			bf.WriteInt32(info.Unk0)
+			bf.WriteBytes(stringsupport.PaddedString(info.Name, 14, true))
+		}
+	case 6:
+		bf.WriteUint32(uint32(len(ryoudama.BoostInfo)))
+		for _, info := range ryoudama.BoostInfo {
+			bf.WriteUint32(info.Unk0)
+			bf.WriteUint32(info.Unk1)
+		}
+	default:
+		bf.WriteUint32(0)
+	}
+
+	doAckBufSucceed(s, pkt.AckHandle, bf.Data())
 }

 func handleMsgMhfPostRyoudama(s *Session, p mhfpacket.MHFPacket) {}