repository cleanup

network/binpacket/msg_bin_chat.go

@@ -0,0 +1,59 @@
+package binpacket
+
+import (
+	"erupe-ce/common/byteframe"
+	"erupe-ce/common/stringsupport"
+	"erupe-ce/network"
+)
+
+// ChatType represents the chat message type (Thanks to @Alice on discord for identifying these!)
+type ChatType uint8
+
+// Chat types
+const (
+	ChatTypeLocal    ChatType = 1
+	ChatTypeGuild             = 2
+	ChatTypeAlliance          = 3
+	ChatTypeParty             = 4
+	ChatTypeWhisper           = 5
+)
+
+// MsgBinChat is a binpacket for chat messages.
+type MsgBinChat struct {
+	Unk0       uint8
+	Type       ChatType
+	Flags      uint16
+	Message    string
+	SenderName string
+}
+
+// Opcode returns the ID associated with this packet type.
+func (m *MsgBinChat) Opcode() network.PacketID {
+	return network.MSG_SYS_CAST_BINARY
+}
+
+// Parse parses the packet from binary
+func (m *MsgBinChat) Parse(bf *byteframe.ByteFrame) error {
+	m.Unk0 = bf.ReadUint8()
+	m.Type = ChatType(bf.ReadUint8())
+	m.Flags = bf.ReadUint16()
+	_ = bf.ReadUint16() // lenSenderName
+	_ = bf.ReadUint16() // lenMessage
+	m.Message = stringsupport.SJISToUTF8(bf.ReadNullTerminatedBytes())
+	m.SenderName = stringsupport.SJISToUTF8(bf.ReadNullTerminatedBytes())
+	return nil
+}
+
+// Build builds a binary packet from the current data.
+func (m *MsgBinChat) Build(bf *byteframe.ByteFrame) error {
+	bf.WriteUint8(m.Unk0)
+	bf.WriteUint8(uint8(m.Type))
+	bf.WriteUint16(m.Flags)
+	cMessage := stringsupport.UTF8ToSJIS(m.Message)
+	cSenderName := stringsupport.UTF8ToSJIS(m.SenderName)
+	bf.WriteUint16(uint16(len(cSenderName) + 1))
+	bf.WriteUint16(uint16(len(cMessage) + 1))
+	bf.WriteNullTerminatedBytes(cMessage)
+	bf.WriteNullTerminatedBytes(cSenderName)
+	return nil
+}