DarkflameServer/dNet/ClientPackets.cpp

250 lines
7.9 KiB
C++

/*
* Darkflame Universe
* Copyright 2018
*/
#include "ClientPackets.h"
#include "dCommonVars.h"
#include "PositionUpdate.h"
#include "LDFFormat.h"
#include "ZCompression.h"
namespace ClientPackets {
void LoadStaticZone::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write<uint16_t>(zoneID.GetMapID());
bitStream.Write<uint16_t>(zoneID.GetInstanceID());
bitStream.Write<uint32_t>(checksum);
bitStream.Write<uint8_t>(editorEnabled);
bitStream.Write<uint8_t>(editorLevel);
bitStream.Write(position.x);
bitStream.Write(position.y);
bitStream.Write(position.z);
bitStream.Write<uint32_t>(instanceType);
}
void CharacterCreationResponse::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write(response);
}
void CharacterRenameResponse::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write(response);
}
void CharacterDeleteResponse::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write<uint8_t>(success);
}
void TransferToWorld::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write(LUString(serverIP));
bitStream.Write<uint16_t>(serverPort);
bitStream.Write<uint8_t>(mythranShift);
}
void ServerState::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write<uint8_t>(serverReady);
}
void CreateCharacter::Serialize(RakNet::BitStream &bitStream) const {
RakNet::BitStream data;
data.Write<uint32_t>(7); //LDF key count
std::unique_ptr<LDFData<LWOOBJID>> objidLDF(new LDFData<LWOOBJID>(u"objid", objid));
objidLDF->WriteToPacket(data);
std::unique_ptr<LDFData<LOT>> templateIDLDF(new LDFData<LOT>(u"template", templateID));
templateIDLDF->WriteToPacket(data);
std::unique_ptr<LDFData<std::u16string>> nameLDF(new LDFData<std::u16string>(u"name", name));
nameLDF->WriteToPacket(data);
std::unique_ptr<LDFData<int32_t>> gmlevelLDF(new LDFData<int32_t>(u"gmlevel", static_cast<int32_t>(gmLevel)));
gmlevelLDF->WriteToPacket(data);
std::unique_ptr<LDFData<int32_t>> chatModeLDF(new LDFData<int32_t>(u"chatmode", static_cast<int32_t>(chatMode)));
chatModeLDF->WriteToPacket(data);
std::unique_ptr<LDFData<std::string>> xmlConfigData(new LDFData<std::string>(u"xmlData", xmlData));
xmlConfigData->WriteToPacket(data);
std::unique_ptr<LDFData<int64_t>> reputationLdf(new LDFData<int64_t>(u"reputation", reputation));
reputationLdf->WriteToPacket(data);
//Compress the data before sending:
const uint32_t reservedSize = ZCompression::GetMaxCompressedLength(data.GetNumberOfBytesUsed());
uint8_t* compressedData = new uint8_t[reservedSize];
if (!compressedData) {
throw std::runtime_error("Failed to allocate memory for compressed data");
}
size_t size = ZCompression::Compress(data.GetData(), data.GetNumberOfBytesUsed(), compressedData, reservedSize);
assert(size <= reservedSize);
bitStream.Write<uint32_t>(size + 9); //size of data + header bytes (8)
bitStream.Write<uint8_t>(1); //compressed boolean, true
bitStream.Write<uint32_t>(data.GetNumberOfBytesUsed());
bitStream.Write<uint32_t>(size);
/**
* In practice, this warning serves no purpose for us. We allocate the max memory needed on the heap
* and then compress the data. In the off chance that the compression actually increases the size,
* an assertion is done to prevent bad data from being saved or sent.
*/
#pragma warning(disable:6385) // C6385 Reading invalid data from 'compressedData'.
bitStream.WriteAlignedBytes(compressedData, size);
#pragma warning(default:6385)
delete[] compressedData;
};
void ChatModerationString::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write<uint8_t>(rejectedWords.empty()); // Accepted
bitStream.Write<uint16_t>(0); // padding
bitStream.Write(chatChannel);
bitStream.Write(chatMode);
bitStream.Write(LUWString(receiver, 42));
for (auto it : rejectedWords) {
bitStream.Write<uint8_t>(it.first); // start index
bitStream.Write<uint8_t>(it.second); // length
}
// Pad out the rest of the packet
// The client expects 64 items, so we need to write 64 - rejectedWords.size() empty items
for (int i = rejectedWords.size(); 64 > i; i++) {
bitStream.Write<uint16_t>(0);
}
}
void GMLevelChange::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write<uint8_t>(success);
bitStream.Write(static_cast<uint16_t>(highestLevel));
bitStream.Write(static_cast<uint16_t>(prevLevel));
bitStream.Write(static_cast<uint16_t>(newLevel));
}
void DebugOutput::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write<uint32_t>(data.size());
bitStream.Write(data);
}
void HTTPMonitorInfoResponse::Serialize(RakNet::BitStream &bitStream) const {
bitStream.Write<uint16_t>(port);
bitStream.Write<uint8_t>(openWeb);
bitStream.Write<uint8_t>(supportsSum);
bitStream.Write<uint8_t>(supportsDetail);
bitStream.Write<uint8_t>(supportsWho);
bitStream.Write<uint8_t>(supportsObjects);
}
}
ChatMessage ClientPackets::HandleChatMessage(Packet* packet) {
CINSTREAM_SKIP_HEADER;
ChatMessage message;
uint32_t messageLength;
inStream.Read(message.chatChannel);
inStream.Read(message.unknown);
inStream.Read(messageLength);
for (uint32_t i = 0; i < (messageLength - 1); ++i) {
uint16_t character;
inStream.Read(character);
message.message.push_back(character);
}
return message;
}
PositionUpdate ClientPackets::HandleClientPositionUpdate(Packet* packet) {
PositionUpdate update;
CINSTREAM_SKIP_HEADER;
inStream.Read(update.position.x);
inStream.Read(update.position.y);
inStream.Read(update.position.z);
inStream.Read(update.rotation.x);
inStream.Read(update.rotation.y);
inStream.Read(update.rotation.z);
inStream.Read(update.rotation.w);
inStream.Read(update.onGround);
inStream.Read(update.onRail);
bool velocityFlag = false;
inStream.Read(velocityFlag);
if (velocityFlag) {
inStream.Read(update.velocity.x);
inStream.Read(update.velocity.y);
inStream.Read(update.velocity.z);
}
bool angVelocityFlag = false;
inStream.Read(angVelocityFlag);
if (angVelocityFlag) {
inStream.Read(update.angularVelocity.x);
inStream.Read(update.angularVelocity.y);
inStream.Read(update.angularVelocity.z);
}
// TODO figure out how to use these. Ignoring for now, but reading in if they exist.
bool hasLocalSpaceInfo{};
if (inStream.Read(hasLocalSpaceInfo) && hasLocalSpaceInfo) {
inStream.Read(update.localSpaceInfo.objectId);
inStream.Read(update.localSpaceInfo.position.x);
inStream.Read(update.localSpaceInfo.position.y);
inStream.Read(update.localSpaceInfo.position.z);
bool hasLinearVelocity = false;
if (inStream.Read(hasLinearVelocity) && hasLinearVelocity) {
inStream.Read(update.localSpaceInfo.linearVelocity.x);
inStream.Read(update.localSpaceInfo.linearVelocity.y);
inStream.Read(update.localSpaceInfo.linearVelocity.z);
}
}
bool hasRemoteInputInfo{};
if (inStream.Read(hasRemoteInputInfo) && hasRemoteInputInfo) {
inStream.Read(update.remoteInputInfo.m_RemoteInputX);
inStream.Read(update.remoteInputInfo.m_RemoteInputY);
inStream.Read(update.remoteInputInfo.m_IsPowersliding);
inStream.Read(update.remoteInputInfo.m_IsModified);
}
return update;
}
ChatModerationRequest ClientPackets::HandleChatModerationRequest(Packet* packet) {
CINSTREAM_SKIP_HEADER;
ChatModerationRequest request;
inStream.Read(request.chatLevel);
inStream.Read(request.requestID);
for (uint32_t i = 0; i < 42; ++i) {
uint16_t character;
inStream.Read(character);
request.receiver.push_back(static_cast<uint8_t>(character));
}
if (!request.receiver.empty()) {
if (std::string(request.receiver.c_str(), 4) == "[GM]") { // Shift the string forward if we are speaking to a GM as the client appends "[GM]" if they are
request.receiver = std::string(request.receiver.c_str() + 4, request.receiver.size() - 4);
}
}
uint16_t messageLength;
inStream.Read(messageLength);
for (uint32_t i = 0; i < messageLength; ++i) {
uint16_t character;
inStream.Read(character);
request.message.push_back(static_cast<uint8_t>(character));
}
return request;
}