Implement some packet parsers

network/mhfpacket/msg_mhf_enumerate_event.go

@@ -6,7 +6,11 @@ import (
 )
 
 // MsgMhfEnumerateEvent represents the MSG_MHF_ENUMERATE_EVENT
-type MsgMhfEnumerateEvent struct{}
+type MsgMhfEnumerateEvent struct {
+	AckHandle uint32
+	Unk0      uint16 // Hardcoded 0 in the binary
+	Unk1      uint16 // Hardcoded 0 in the binary
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgMhfEnumerateEvent) Opcode() network.PacketID {
@@ -15,10 +19,13 @@ func (m *MsgMhfEnumerateEvent) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgMhfEnumerateEvent) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint16()
+	m.Unk1 = bf.ReadUint16()
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgMhfEnumerateEvent) Build(bf *byteframe.ByteFrame) error {
 	panic("Not implemented")
-}
+}

network/mhfpacket/msg_mhf_enumerate_quest.go

@@ -6,7 +6,14 @@ import (
 )
 
 // MsgMhfEnumerateQuest represents the MSG_MHF_ENUMERATE_QUEST
-type MsgMhfEnumerateQuest struct{}
+type MsgMhfEnumerateQuest struct {
+	AckHandle uint32
+	Unk0      uint8 // Hardcoded 0 in the binary
+	Unk1      uint8
+	Unk2      uint16
+	Unk3      uint16
+	Unk4      uint8 // Hardcoded 0 in the binary
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgMhfEnumerateQuest) Opcode() network.PacketID {
@@ -15,10 +22,16 @@ func (m *MsgMhfEnumerateQuest) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgMhfEnumerateQuest) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint8()
+	m.Unk1 = bf.ReadUint8()
+	m.Unk2 = bf.ReadUint16()
+	m.Unk3 = bf.ReadUint16()
+	m.Unk4 = bf.ReadUint8()
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgMhfEnumerateQuest) Build(bf *byteframe.ByteFrame) error {
 	panic("Not implemented")
-}
+}

network/mhfpacket/msg_mhf_enumerate_ranking.go

@@ -6,7 +6,11 @@ import (
 )
 
 // MsgMhfEnumerateRanking represents the MSG_MHF_ENUMERATE_RANKING
-type MsgMhfEnumerateRanking struct{}
+type MsgMhfEnumerateRanking struct {
+	AckHandle uint32
+	Unk0      uint16 // Hardcoded 0 in the binary
+	Unk1      uint16 // Hardcoded 0 in the binary
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgMhfEnumerateRanking) Opcode() network.PacketID {
@@ -15,10 +19,13 @@ func (m *MsgMhfEnumerateRanking) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgMhfEnumerateRanking) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint16()
+	m.Unk1 = bf.ReadUint16()
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgMhfEnumerateRanking) Build(bf *byteframe.ByteFrame) error {
 	panic("Not implemented")
-}
+}

network/mhfpacket/msg_mhf_get_etc_points.go

@@ -15,10 +15,10 @@ func (m *MsgMhfGetEtcPoints) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgMhfGetEtcPoints) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgMhfGetEtcPoints) Build(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
-}
+}

network/mhfpacket/msg_mhf_read_mercenary_w.go

@@ -6,7 +6,12 @@ import (
 )
 
 // MsgMhfReadMercenaryW represents the MSG_MHF_READ_MERCENARY_W
-type MsgMhfReadMercenaryW struct{}
+type MsgMhfReadMercenaryW struct {
+	AckHandle uint32
+	Unk0      uint8
+	Unk1      uint8
+	Unk2      uint16
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgMhfReadMercenaryW) Opcode() network.PacketID {
@@ -15,10 +20,13 @@ func (m *MsgMhfReadMercenaryW) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgMhfReadMercenaryW) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint8()
+	m.Unk1 = bf.ReadUint8()
+	m.Unk2 = bf.ReadUint16()
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgMhfReadMercenaryW) Build(bf *byteframe.ByteFrame) error {
 	panic("Not implemented")
-}
+}

network/mhfpacket/msg_mhf_update_etc_point.go

@@ -6,7 +6,11 @@ import (
 )
 
 // MsgMhfUpdateEtcPoint represents the MSG_MHF_UPDATE_ETC_POINT
-type MsgMhfUpdateEtcPoint struct{}
+type MsgMhfUpdateEtcPoint struct {
+	AckHandle uint32
+	Unk0      uint8
+	Unk1      uint16
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgMhfUpdateEtcPoint) Opcode() network.PacketID {
@@ -15,10 +19,12 @@ func (m *MsgMhfUpdateEtcPoint) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgMhfUpdateEtcPoint) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint8()
+	m.Unk1 = bf.ReadUint16()
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgMhfUpdateEtcPoint) Build(bf *byteframe.ByteFrame) error {
 	panic("Not implemented")
-}
+}

network/mhfpacket/msg_sys_ack.go

@@ -6,7 +6,11 @@ import (
 )
 
 // MsgSysAck represents the MSG_SYS_ACK
-type MsgSysAck struct{}
+type MsgSysAck struct {
+	AckHandle uint32
+	Unk0      uint32
+	Unk1      uint32
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgSysAck) Opcode() network.PacketID {
@@ -15,10 +19,17 @@ func (m *MsgSysAck) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysAck) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint32()
+	m.Unk1 = bf.ReadUint32()
+
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysAck) Build(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	bf.WriteUint32(m.AckHandle)
-}
+	bf.WriteUint32(m.Unk0)
+	bf.WriteUint32(m.Unk1)
+	return nil
+}

network/mhfpacket/msg_sys_end.go

@@ -15,10 +15,10 @@ func (m *MsgSysEnd) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysEnd) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysEnd) Build(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
-}
+}

network/mhfpacket/msg_sys_extend_threshold.go

@@ -15,10 +15,10 @@ func (m *MsgSysExtendThreshold) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysExtendThreshold) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysExtendThreshold) Build(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
 }

network/mhfpacket/msg_sys_login.go

@@ -6,7 +6,17 @@ import (
 )
 
 // MsgSysLogin represents the MSG_SYS_LOGIN
-type MsgSysLogin struct{}
+type MsgSysLogin struct {
+	AckHandle              uint32
+	CharID0                uint32
+	LoginTokenNumber       uint32
+	HardcodedZero0         uint16
+	RequestVersion         uint16
+	CharID1                uint32
+	HardcodedZero1         uint16
+	LoginTokenStringLength uint16 // Hardcoded to 0x11
+	LoginTokenString       string
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgSysLogin) Opcode() network.PacketID {
@@ -15,10 +25,20 @@ func (m *MsgSysLogin) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysLogin) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.CharID0 = bf.ReadUint32()
+	m.LoginTokenNumber = bf.ReadUint32()
+	m.HardcodedZero0 = bf.ReadUint16()
+	m.RequestVersion = bf.ReadUint16()
+	m.CharID1 = bf.ReadUint32()
+	m.HardcodedZero1 = bf.ReadUint16()
+	m.LoginTokenStringLength = bf.ReadUint16()
+	m.LoginTokenString = string(bf.ReadBytes(17)) // TODO(Andoryuuta): What encoding is this string?
+
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysLogin) Build(bf *byteframe.ByteFrame) error {
 	panic("Not implemented")
-}
+}

network/mhfpacket/msg_sys_nop.go

@@ -15,10 +15,10 @@ func (m *MsgSysNop) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysNop) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysNop) Build(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	return nil
-}
+}

network/mhfpacket/msg_sys_ping.go

@@ -6,7 +6,10 @@ import (
 )
 
 // MsgSysPing represents the MSG_SYS_PING
-type MsgSysPing struct{}
+type MsgSysPing struct {
+	AckHandle uint32
+	Unk0      uint16
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgSysPing) Opcode() network.PacketID {
@@ -15,10 +18,14 @@ func (m *MsgSysPing) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysPing) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.AckHandle = bf.ReadUint32()
+	m.Unk0 = bf.ReadUint16()
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysPing) Build(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	bf.WriteUint32(m.AckHandle)
-}
+	bf.WriteUint16(m.Unk0)
+	return nil
+}

network/mhfpacket/msg_sys_time.go

@@ -6,7 +6,10 @@ import (
 )
 
 // MsgSysTime represents the MSG_SYS_TIME
-type MsgSysTime struct{}
+type MsgSysTime struct {
+	Unk0      uint8
+	Timestamp uint32 // unix timestamp, e.g. 1577105879
+}
 
 // Opcode returns the ID associated with this packet type.
 func (m *MsgSysTime) Opcode() network.PacketID {
@@ -15,10 +18,14 @@ func (m *MsgSysTime) Opcode() network.PacketID {
 
 // Parse parses the packet from binary
 func (m *MsgSysTime) Parse(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	m.Unk0 = bf.ReadUint8()
+	m.Timestamp = bf.ReadUint32()
+	return nil
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysTime) Build(bf *byteframe.ByteFrame) error {
-	panic("Not implemented")
+	bf.WriteUint8(m.Unk0)
-}
+	bf.WriteUint32(m.Timestamp)
+	return nil
+}