correctly parse some ravi packets & ignore zeroes

network/mhfpacket/msg_sys_operate_register.go

@@ -1,8 +1,7 @@
 package mhfpacket
 
 import (
-	"fmt"
-
+	"errors"
 	"erupe-ce/common/byteframe"
 	"erupe-ce/network"
 	"erupe-ce/network/clientctx"
@@ -12,7 +11,6 @@ import (
 type MsgSysOperateRegister struct {
 	AckHandle      uint32
 	SemaphoreID    uint32
-	fixedZero      uint16
 	RawDataPayload []byte
 }
 
@@ -25,12 +23,7 @@ func (m *MsgSysOperateRegister) Opcode() network.PacketID {
 func (m *MsgSysOperateRegister) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
 	m.SemaphoreID = bf.ReadUint32()
-	m.fixedZero = bf.ReadUint16()
-
-	if m.fixedZero != 0 {
-		return fmt.Errorf("expected fixed-0 values, got %d", m.fixedZero)
-	}
-
+	_ = bf.ReadUint16()
 	dataSize := bf.ReadUint16()
 	m.RawDataPayload = bf.ReadBytes(uint(dataSize))
 	return nil
@@ -38,11 +31,5 @@ func (m *MsgSysOperateRegister) Parse(bf *byteframe.ByteFrame, ctx *clientctx.Cl
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysOperateRegister) Build(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
-	bf.WriteUint32(m.AckHandle)
-	bf.WriteUint32(m.SemaphoreID)
-	bf.WriteUint16(0)
-	bf.WriteUint16(uint16(len(m.RawDataPayload)))
-	bf.WriteBytes(m.RawDataPayload)
-
-	return nil
+	return errors.New("NOT IMPLEMENTED")
 }