Initial chat prototype

network/mhfpacket/msg_sys_ack.go

@@ -8,8 +8,7 @@ import (
 // MsgSysAck represents the MSG_SYS_ACK
 type MsgSysAck struct {
 	AckHandle uint32
-	Unk0      uint32
-	Unk1      uint32
+	AckData   []byte
 }
 
 // Opcode returns the ID associated with this packet type.
@@ -20,16 +19,12 @@ func (m *MsgSysAck) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgSysAck) Parse(bf *byteframe.ByteFrame) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadUint32()
-	m.Unk1 = bf.ReadUint32()
-
-	return nil
+	panic("No way to parse without prior context as the packet doesn't include it's own length.")
 }
 
 // Build builds a binary packet from the current data.
 func (m *MsgSysAck) Build(bf *byteframe.ByteFrame) error {
 	bf.WriteUint32(m.AckHandle)
-	bf.WriteUint32(m.Unk0)
-	bf.WriteUint32(m.Unk1)
+	bf.WriteBytes(m.AckData)
 	return nil
 }