mirror of
https://github.com/Mezeporta/Erupe.git
synced 2025-12-13 15:34:38 +01:00
275 lines
9.1 KiB
Go
275 lines
9.1 KiB
Go
package channelserver
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import (
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"fmt"
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"math"
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"math/rand"
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"strings"
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"time"
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"erupe-ce/common/byteframe"
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"erupe-ce/network/binpacket"
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"erupe-ce/network/mhfpacket"
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)
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// MSG_SYS_CAST[ED]_BINARY types enum
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const (
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BinaryMessageTypeState = 0
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BinaryMessageTypeChat = 1
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BinaryMessageTypeData = 3
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BinaryMessageTypeMailNotify = 4
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BinaryMessageTypeEmote = 6
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)
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// MSG_SYS_CAST[ED]_BINARY broadcast types enum
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const (
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BroadcastTypeTargeted = 0x01
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BroadcastTypeStage = 0x03
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BroadcastTypeServer = 0x06
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BroadcastTypeWorld = 0x0a
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)
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func sendServerChatMessage(s *Session, message string) {
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// Make the inside of the casted binary
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bf := byteframe.NewByteFrame()
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bf.SetLE()
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msgBinChat := &binpacket.MsgBinChat{
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Unk0: 0,
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Type: 5,
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Flags: 0x80,
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Message: message,
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SenderName: "Erupe",
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}
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msgBinChat.Build(bf)
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castedBin := &mhfpacket.MsgSysCastedBinary{
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CharID: s.charID,
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MessageType: BinaryMessageTypeChat,
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RawDataPayload: bf.Data(),
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}
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s.QueueSendMHF(castedBin)
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}
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func handleMsgSysCastBinary(s *Session, p mhfpacket.MHFPacket) {
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pkt := p.(*mhfpacket.MsgSysCastBinary)
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tmp := byteframe.NewByteFrameFromBytes(pkt.RawDataPayload)
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if pkt.BroadcastType == 0x03 && pkt.MessageType == 0x03 && len(pkt.RawDataPayload) == 0x10 {
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if tmp.ReadUint16() == 0x0002 && tmp.ReadUint8() == 0x18 {
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_ = tmp.ReadBytes(9)
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tmp.SetLE()
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frame := tmp.ReadUint32()
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sendServerChatMessage(s, fmt.Sprintf("TIME : %d'%d.%03d (%dframe)", frame/30/60, frame/30%60, int(math.Round(float64(frame%30*100)/3)), frame))
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}
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}
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// Parse out the real casted binary payload
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var msgBinTargeted *binpacket.MsgBinTargeted
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var authorLen, msgLen uint16
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var msg []byte
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isDiceCommand := false
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if pkt.MessageType == BinaryMessageTypeChat {
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tmp.SetLE()
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tmp.Seek(int64(0), 0)
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_ = tmp.ReadUint32()
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authorLen = tmp.ReadUint16()
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msgLen = tmp.ReadUint16()
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msg = tmp.ReadNullTerminatedBytes()
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}
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// Customise payload
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realPayload := pkt.RawDataPayload
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if pkt.BroadcastType == BroadcastTypeTargeted {
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tmp.SetBE()
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tmp.Seek(int64(0), 0)
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msgBinTargeted = &binpacket.MsgBinTargeted{}
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err := msgBinTargeted.Parse(tmp)
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if err != nil {
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s.logger.Warn("Failed to parse targeted cast binary")
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return
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}
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realPayload = msgBinTargeted.RawDataPayload
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} else if pkt.MessageType == BinaryMessageTypeChat {
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if msgLen == 6 && string(msg) == "@dice" {
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isDiceCommand = true
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roll := byteframe.NewByteFrame()
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roll.WriteInt16(1) // Unk
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roll.SetLE()
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roll.WriteUint16(4) // Unk
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roll.WriteUint16(authorLen)
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rand.Seed(time.Now().UnixNano())
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dice := fmt.Sprintf("%d", rand.Intn(100)+1)
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roll.WriteUint16(uint16(len(dice) + 1))
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roll.WriteNullTerminatedBytes([]byte(dice))
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roll.WriteNullTerminatedBytes(tmp.ReadNullTerminatedBytes())
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realPayload = roll.Data()
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}
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}
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// Make the response to forward to the other client(s).
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resp := &mhfpacket.MsgSysCastedBinary{
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CharID: s.charID,
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BroadcastType: pkt.BroadcastType, // (The client never uses Type0 upon receiving)
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MessageType: pkt.MessageType,
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RawDataPayload: realPayload,
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}
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// Send to the proper recipients.
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switch pkt.BroadcastType {
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case BroadcastTypeWorld:
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s.server.WorldcastMHF(resp, s, nil)
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case BroadcastTypeStage:
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if isDiceCommand {
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s.stage.BroadcastMHF(resp, nil) // send dice result back to caller
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} else {
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s.stage.BroadcastMHF(resp, s)
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}
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case BroadcastTypeServer:
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if pkt.MessageType == 1 {
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raviSema := getRaviSemaphore(s)
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if raviSema != "" {
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s.server.BroadcastMHF(resp, s)
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}
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} else {
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s.server.BroadcastMHF(resp, s)
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}
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case BroadcastTypeTargeted:
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for _, targetID := range (*msgBinTargeted).TargetCharIDs {
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char := s.server.FindSessionByCharID(targetID)
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if char != nil {
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char.QueueSendMHF(resp)
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}
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}
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default:
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s.Lock()
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haveStage := s.stage != nil
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if haveStage {
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s.stage.BroadcastMHF(resp, s)
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}
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s.Unlock()
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}
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// Handle chat
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if pkt.MessageType == BinaryMessageTypeChat {
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bf := byteframe.NewByteFrameFromBytes(realPayload)
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// IMPORTANT! Casted binary objects are sent _as they are in memory_,
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// this means little endian for LE CPUs, might be different for PS3/PS4/PSP/XBOX.
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bf.SetLE()
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chatMessage := &binpacket.MsgBinChat{}
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chatMessage.Parse(bf)
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fmt.Printf("Got chat message: %+v\n", chatMessage)
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// Set account rights
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if strings.HasPrefix(chatMessage.Message, "!rights") {
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var v uint32
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n, err := fmt.Sscanf(chatMessage.Message, "!rights %d", &v)
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if err != nil || n != 1 {
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sendServerChatMessage(s, "Error in command. Format: !rights n")
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} else {
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_, err = s.server.db.Exec("UPDATE users u SET rights=$1 WHERE u.id=(SELECT c.user_id FROM characters c WHERE c.id=$2)", v, s.charID)
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if err == nil {
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sendServerChatMessage(s, fmt.Sprintf("Set rights integer: %d", v))
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}
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}
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}
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// Discord integration
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if chatMessage.Type == binpacket.ChatTypeLocal || chatMessage.Type == binpacket.ChatTypeParty {
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s.server.DiscordChannelSend(chatMessage.SenderName, chatMessage.Message)
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}
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// RAVI COMMANDS V2
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if strings.HasPrefix(chatMessage.Message, "!ravi") {
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if getRaviSemaphore(s) != "" {
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s.server.raviente.Lock()
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if !strings.HasPrefix(chatMessage.Message, "!ravi ") {
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sendServerChatMessage(s, "No Raviente command specified!")
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} else {
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if strings.HasPrefix(chatMessage.Message, "!ravi start") {
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if s.server.raviente.register.startTime == 0 {
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s.server.raviente.register.startTime = s.server.raviente.register.postTime
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sendServerChatMessage(s, "The Great Slaying will begin in a moment")
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s.notifyRavi()
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} else {
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sendServerChatMessage(s, "The Great Slaying has already begun!")
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}
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} else if strings.HasPrefix(chatMessage.Message, "!ravi sm") || strings.HasPrefix(chatMessage.Message, "!ravi setmultiplier") {
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var num uint16
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n, numerr := fmt.Sscanf(chatMessage.Message, "!ravi sm %d", &num)
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if numerr != nil || n != 1 {
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sendServerChatMessage(s, "Error in command. Format: !ravi sm n")
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} else if s.server.raviente.state.damageMultiplier == 1 {
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if num > 32 {
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sendServerChatMessage(s, "Raviente multiplier too high, defaulting to 32x")
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s.server.raviente.state.damageMultiplier = 32
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} else {
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sendServerChatMessage(s, fmt.Sprintf("Raviente multiplier set to %dx", num))
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s.server.raviente.state.damageMultiplier = uint32(num)
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}
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} else {
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sendServerChatMessage(s, fmt.Sprintf("Raviente multiplier is already set to %dx!", s.server.raviente.state.damageMultiplier))
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}
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} else if strings.HasPrefix(chatMessage.Message, "!ravi cm") || strings.HasPrefix(chatMessage.Message, "!ravi checkmultiplier") {
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sendServerChatMessage(s, fmt.Sprintf("Raviente multiplier is currently %dx", s.server.raviente.state.damageMultiplier))
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} else if strings.HasPrefix(chatMessage.Message, "!ravi sr") || strings.HasPrefix(chatMessage.Message, "!ravi sendres") {
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if s.server.raviente.state.stateData[28] > 0 {
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sendServerChatMessage(s, "Sending resurrection support!")
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s.server.raviente.state.stateData[28] = 0
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} else {
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sendServerChatMessage(s, "Resurrection support has not been requested!")
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}
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} else if strings.HasPrefix(chatMessage.Message, "!ravi ss") || strings.HasPrefix(chatMessage.Message, "!ravi sendsed") {
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sendServerChatMessage(s, "Sending sedation support if requested!")
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// Total BerRavi HP
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HP := s.server.raviente.state.stateData[0] + s.server.raviente.state.stateData[1] + s.server.raviente.state.stateData[2] + s.server.raviente.state.stateData[3] + s.server.raviente.state.stateData[4]
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s.server.raviente.support.supportData[1] = HP
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} else if strings.HasPrefix(chatMessage.Message, "!ravi rs") || strings.HasPrefix(chatMessage.Message, "!ravi reqsed") {
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sendServerChatMessage(s, "Requesting sedation support!")
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// Total BerRavi HP
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HP := s.server.raviente.state.stateData[0] + s.server.raviente.state.stateData[1] + s.server.raviente.state.stateData[2] + s.server.raviente.state.stateData[3] + s.server.raviente.state.stateData[4]
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s.server.raviente.support.supportData[1] = HP + 12
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} else {
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sendServerChatMessage(s, "Raviente command not recognised!")
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}
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}
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s.server.raviente.Unlock()
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} else {
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sendServerChatMessage(s, "No one has joined the Great Slaying!")
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}
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}
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// END RAVI COMMANDS V2
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if strings.HasPrefix(chatMessage.Message, "!tele ") {
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var x, y int16
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n, err := fmt.Sscanf(chatMessage.Message, "!tele %d %d", &x, &y)
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if err != nil || n != 2 {
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sendServerChatMessage(s, "Invalid command. Usage:\"!tele 500 500\"")
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} else {
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sendServerChatMessage(s, fmt.Sprintf("Teleporting to %d %d", x, y))
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// Make the inside of the casted binary
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payload := byteframe.NewByteFrame()
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payload.SetLE()
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payload.WriteUint8(2) // SetState type(position == 2)
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payload.WriteInt16(x) // X
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payload.WriteInt16(y) // Y
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payloadBytes := payload.Data()
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s.QueueSendMHF(&mhfpacket.MsgSysCastedBinary{
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CharID: s.charID,
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MessageType: BinaryMessageTypeState,
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RawDataPayload: payloadBytes,
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})
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}
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}
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}
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}
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func handleMsgSysCastedBinary(s *Session, p mhfpacket.MHFPacket) {}
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