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LuaVox/Src/Client/ServerSession.cpp
2025-03-11 19:37:36 +06:00

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#include "ServerSession.hpp"
#include "Client/Abstract.hpp"
#include "Common/Abstract.hpp"
#include "Common/Net.hpp"
#include "TOSLib.hpp"
#include <GLFW/glfw3.h>
#include <boost/asio/deadline_timer.hpp>
#include <boost/asio/this_coro.hpp>
#include <boost/date_time/posix_time/posix_time_duration.hpp>
#include <functional>
#include <memory>
#include <Common/Packets.hpp>
#include <glm/ext.hpp>
#include <unordered_map>
#include <unordered_set>
namespace LV::Client {
ParsedPacket::~ParsedPacket() = default;
struct PP_Content_ChunkVoxels : public ParsedPacket {
WorldId_c Id;
Pos::GlobalChunk Pos;
std::vector<VoxelCube> Cubes;
PP_Content_ChunkVoxels(ToClient::L1 l1, uint8_t l2, WorldId_c id, Pos::GlobalChunk pos, std::vector<VoxelCube> &&cubes)
: ParsedPacket(l1, l2), Id(id), Pos(pos), Cubes(std::move(cubes))
{}
};
struct PP_Content_ChunkRemove : public ParsedPacket {
WorldId_c Id;
Pos::GlobalChunk Pos;
PP_Content_ChunkRemove(ToClient::L1 l1, uint8_t l2, WorldId_c id, Pos::GlobalChunk pos)
: ParsedPacket(l1, l2), Id(id), Pos(pos)
{}
};
using namespace TOS;
ServerSession::~ServerSession() {
UseLock.wait_no_use();
}
coro<> ServerSession::asyncAuthorizeWithServer(tcp::socket &socket, const std::string username, const std::string token, int a_ar_r, std::function<void(const std::string&)> onProgress) {
assert(a_ar_r >= 0 && a_ar_r <= 2);
std::string progress;
auto addLog = [&](const std::string &msg) {
progress += '\n';
progress += msg;
if(onProgress)
onProgress('\n'+msg);
};
if(username.size() > 255) {
addLog("Имя пользователя слишком велико (>255)");
MAKE_ERROR(progress);
}
if(token.size() > 255) {
addLog("Пароль слишком велик (>255)");
MAKE_ERROR(progress);
}
Net::Packet packet;
packet.write((const std::byte*) "AlterLuanti", 11);
packet << uint8_t(0) << uint8_t(a_ar_r) << username << token;
addLog("Отправляем первый пакет, авторизация или регистрация");
co_await packet.sendAndFastClear(socket);
addLog("Ожидаем код ответа");
uint8_t code = co_await Net::AsyncSocket::read<uint8_t>(socket);
if(code == 0) {
addLog("Код = Авторизированы");
} else if(code == 1) {
addLog("Код = Зарегистрированы и авторизированы");
} else if(code == 2 || code == 3) {
if(code == 2)
addLog("Код = Не удалось зарегистрироваться");
else
addLog("Код = Не удалось авторизоваться");
std::string reason = co_await Net::AsyncSocket::read<std::string>(socket);
addLog(reason);
if(code == 2)
MAKE_ERROR("Не удалось зарегистрироваться, причина: " << reason);
else
MAKE_ERROR("Не удалось авторизоваться, причина: " << reason);
} else {
addLog("Получен неизвестный код ответа (может это не игровой сервер?), прерываем");
MAKE_ERROR(progress);
}
}
coro<std::unique_ptr<Net::AsyncSocket>> ServerSession::asyncInitGameProtocol(asio::io_context &ioc, tcp::socket &&socket, std::function<void(const std::string&)> onProgress) {
std::string progress;
auto addLog = [&](const std::string &msg) {
progress += '\n';
progress += msg;
if(onProgress)
onProgress('\n'+msg);
};
addLog("Инициализируем игровой протокол");
uint8_t code = 0;
co_await Net::AsyncSocket::write<>(socket, code);
asio::deadline_timer timer(socket.get_executor());
while(true) {
code = co_await Net::AsyncSocket::read<uint8_t>(socket);
if(code == 0) {
addLog("Код = Успешно");
break;
} else if(code == 1) {
addLog("Код = Ошибка с причиной");
addLog(co_await Net::AsyncSocket::read<std::string>(socket));
MAKE_ERROR(progress);
} else if(code == 2) {
addLog("Код = Подождать 4 секунды");
timer.expires_from_now(boost::posix_time::seconds(4));
co_await timer.async_wait();
addLog("Ожидаем новый код");
} else {
addLog("Получен неизвестный код ответа (может это не игровой сервер?), прерываем");
MAKE_ERROR(progress);
}
}
co_return std::make_unique<Net::AsyncSocket>(ioc, std::move(socket));
}
void ServerSession::shutdown(EnumDisconnect type) {
IsGoingShutdown = true;
Socket->closeRead();
Net::Packet packet;
packet << (uint8_t) ToServer::L1::System
<< (uint8_t) ToServer::L2System::Disconnect
<< (uint8_t) type;
Socket->pushPacket(std::move(packet));
std::string reason;
if(type == EnumDisconnect::ByInterface)
reason = "по запросу интерфейса";
else if(type == EnumDisconnect::CriticalError)
reason = "на сервере произошла критическая ошибка";
else if(type == EnumDisconnect::ProtocolError)
reason = "ошибка протокола (клиент)";
LOG.info() << "Отключение от сервера: " << reason;
}
void ServerSession::onResize(uint32_t width, uint32_t height) {
}
void ServerSession::onChangeFocusState(bool isFocused) {
if(!isFocused)
CursorMode = EnumCursorMoveMode::Default;
}
void ServerSession::onCursorPosChange(int32_t width, int32_t height) {
}
void ServerSession::onCursorMove(float xMove, float yMove) {
xMove /= 10.f;
yMove /= 10.f;
glm::vec3 deltaPYR;
static constexpr float PI = glm::pi<float>(), PI2 = PI*2, PI_HALF = PI/2, PI_DEG = PI/180;
deltaPYR.x = std::clamp(PYR.x + yMove*PI_DEG, -PI_HALF+PI_DEG, PI_HALF-PI_DEG)-PYR.x;
deltaPYR.y = std::fmod(PYR.y + xMove*PI_DEG, PI2)-PYR.y;
deltaPYR.z = 0;
double gTime = GTime;
float deltaTime = 1-std::min<float>(gTime-PYR_At, 1/PYR_TIME_DELTA)*PYR_TIME_DELTA;
PYR_At = GTime;
PYR += deltaPYR;
PYR_Offset = deltaPYR+deltaTime*PYR_Offset;
}
void ServerSession::onCursorBtn(ISurfaceEventListener::EnumCursorBtn btn, bool state) {
}
void ServerSession::onKeyboardBtn(int btn, int state) {
if(btn == GLFW_KEY_TAB && !state) {
CursorMode = CursorMode == EnumCursorMoveMode::Default ? EnumCursorMoveMode::MoveAndHidden : EnumCursorMoveMode::Default;
Keys.clear();
}
if(CursorMode == EnumCursorMoveMode::MoveAndHidden)
{
if(btn == GLFW_KEY_W)
Keys.W = state;
else if(btn == GLFW_KEY_A)
Keys.A = state;
else if(btn == GLFW_KEY_S)
Keys.S = state;
else if(btn == GLFW_KEY_D)
Keys.D = state;
else if(btn == GLFW_KEY_LEFT_SHIFT)
Keys.SHIFT = state;
else if(btn == GLFW_KEY_SPACE)
Keys.SPACE = state;
else if(btn == GLFW_KEY_LEFT_CONTROL)
Keys.CTRL = state;
}
}
void ServerSession::onJoystick() {
}
void ServerSession::atFreeDrawTime(GlobalTime gTime, float dTime) {
GTime = gTime;
Pos += glm::vec3(Speed) * dTime;
Speed -= glm::dvec3(Speed) * double(dTime);
glm::mat4 rot(1);
float deltaTime = 1-std::min<float>(gTime-PYR_At, 1/PYR_TIME_DELTA)*PYR_TIME_DELTA;
rot = glm::rotate(rot, PYR.y-deltaTime*PYR_Offset.y, {0, 1, 0});
float mltpl = 16*dTime*Pos::Object_t::BS;
if(Keys.CTRL)
mltpl *= 16;
Speed += glm::vec3(rot*glm::vec4(0, 0, 1, 1)*float(Keys.W))*mltpl;
Speed += glm::vec3(rot*glm::vec4(-1, 0, 0, 1)*float(Keys.A))*mltpl;
Speed += glm::vec3(rot*glm::vec4(0, 0, -1, 1)*float(Keys.S))*mltpl;
Speed += glm::vec3(rot*glm::vec4(1, 0, 0, 1)*float(Keys.D))*mltpl;
Speed += glm::vec3(0, -1, 0)*float(Keys.SHIFT)*mltpl;
Speed += glm::vec3(0, 1, 0)*float(Keys.SPACE)*mltpl;
{
std::unordered_map<WorldId_c, std::tuple<std::unordered_set<Pos::GlobalChunk>, std::unordered_set<Pos::GlobalChunk>>> changeOrAddList_removeList;
// Пакеты
ParsedPacket *pack;
while(NetInputPackets.pop(pack)) {
if(pack->Level1 == ToClient::L1::Content) {
ToClient::L2Content l2 = ToClient::L2Content(pack->Level2);
if(l2 == ToClient::L2Content::ChunkVoxels) {
PP_Content_ChunkVoxels &p = *dynamic_cast<PP_Content_ChunkVoxels*>(pack);
Pos::GlobalRegion rPos(p.Pos.X >> 4, p.Pos.Y >> 4, p.Pos.Z >> 4);
Pos::Local16_u cPos(p.Pos.X & 0xf, p.Pos.Y & 0xf, p.Pos.Z & 0xf);
External.Worlds[p.Id].Regions[rPos].Chunks[cPos].Voxels = std::move(p.Cubes);
auto &pair = changeOrAddList_removeList[p.Id];
std::get<0>(pair).insert(p.Pos);
} else if(l2 == ToClient::L2Content::RemoveChunk) {
PP_Content_ChunkRemove &p = *dynamic_cast<PP_Content_ChunkRemove*>(pack);
Pos::GlobalRegion rPos(p.Pos.X >> 4, p.Pos.Y >> 4, p.Pos.Z >> 4);
Pos::Local16_u cPos(p.Pos.X & 0xf, p.Pos.Y & 0xf, p.Pos.Z & 0xf);
auto &obj = External.Worlds[p.Id].Regions[rPos].Chunks;
auto iter = obj.find(cPos);
if(iter != obj.end())
obj.erase(iter);
auto &pair = changeOrAddList_removeList[p.Id];
std::get<1>(pair).insert(p.Pos);
}
}
delete pack;
}
if(RS && !changeOrAddList_removeList.empty()) {
for(auto &pair : changeOrAddList_removeList) {
// Если случится что чанк был изменён и удалён, то исключаем его обновления
for(Pos::GlobalChunk removed : std::get<1>(pair.second))
std::get<0>(pair.second).erase(removed);
RS->onChunksChange(pair.first, std::get<0>(pair.second), std::get<1>(pair.second));
}
}
}
// Расчёт камеры
{
float deltaTime = 1-std::min<float>(gTime-PYR_At, 1/PYR_TIME_DELTA)*PYR_TIME_DELTA;
glm::quat quat =
glm::angleAxis(PYR.x-deltaTime*PYR_Offset.x, glm::vec3(1.f, 0.f, 0.f))
* glm::angleAxis(PYR.y-deltaTime*PYR_Offset.y, glm::vec3(0.f, -1.f, 0.f));
if(RS)
RS->setCameraPos(0, Pos, quat);
// Отправка текущей позиции камеры
if(gTime-LastSendPYR_POS > 1/20.f)
{
LastSendPYR_POS = gTime;
Net::Packet packet;
ToServer::PacketQuat q;
q.fromQuat(quat);
packet << (uint8_t) ToServer::L1::System
<< (uint8_t) ToServer::L2System::Test_CAM_PYR_POS
<< Pos.x << Pos.y << Pos.z;
for(int iter = 0; iter < 5; iter++)
packet << q.Data[iter];
Socket->pushPacket(std::move(packet));
}
}
}
coro<> ServerSession::run() {
auto useLock = UseLock.lock();
try {
while(!IsGoingShutdown && IsConnected) {
co_await readPacket(*Socket);
}
} catch(const std::exception &exc) {
// if(const auto *errc = dynamic_cast<const boost::system::system_error*>(&exc);
// errc && errc->code() == boost::asio::error::operation_aborted)
// {
// co_return;
// }
TOS::Logger("ServerSession").warn() << exc.what();
}
IsConnected = false;
co_return;
}
void ServerSession::protocolError() {
shutdown(EnumDisconnect::ProtocolError);
}
coro<> ServerSession::readPacket(Net::AsyncSocket &sock) {
uint8_t first = co_await sock.read<uint8_t>();
switch((ToClient::L1) first) {
case ToClient::L1::System: co_await rP_System(sock); co_return;
case ToClient::L1::Resource: co_await rP_Resource(sock); co_return;
case ToClient::L1::Definition: co_await rP_Definition(sock); co_return;
case ToClient::L1::Content: co_await rP_Content(sock); co_return;
default:
protocolError();
}
}
coro<> ServerSession::rP_System(Net::AsyncSocket &sock) {
uint8_t second = co_await sock.read<uint8_t>();
switch((ToClient::L2System) second) {
case ToClient::L2System::Init:
co_return;
case ToClient::L2System::Disconnect:
{
EnumDisconnect type = (EnumDisconnect) co_await sock.read<uint8_t>();
std::string reason = co_await sock.read<std::string>();
if(type == EnumDisconnect::ByInterface)
reason = "по запросу интерфейса " + reason;
else if(type == EnumDisconnect::CriticalError)
reason = "на сервере произошла критическая ошибка " + reason;
else if(type == EnumDisconnect::ProtocolError)
reason = "ошибка протокола (сервер) " + reason;
LOG.info() << "Отключение от сервера: " << reason;
co_return;
}
case ToClient::L2System::LinkCameraToEntity:
co_return;
case ToClient::L2System::UnlinkCamera:
co_return;
default:
protocolError();
}
}
coro<> ServerSession::rP_Resource(Net::AsyncSocket &sock) {
uint8_t second = co_await sock.read<uint8_t>();
switch((ToClient::L2Resource) second) {
case ToClient::L2Resource::Texture:
co_return;
case ToClient::L2Resource::FreeTexture:
co_return;
case ToClient::L2Resource::Sound:
co_return;
case ToClient::L2Resource::FreeSound:
co_return;
case ToClient::L2Resource::Model:
co_return;
case ToClient::L2Resource::FreeModel:
co_return;
case ToClient::L2Resource::InitResSend:
co_return;
case ToClient::L2Resource::ChunkSend:
co_return;
case ToClient::L2Resource::SendCanceled:
co_return;
default:
protocolError();
}
}
coro<> ServerSession::rP_Definition(Net::AsyncSocket &sock) {
uint8_t second = co_await sock.read<uint8_t>();
switch((ToClient::L2Definition) second) {
case ToClient::L2Definition::World: {
DefWorldId_c cdId = co_await sock.read<DefWorldId_c>();
co_return;
}
case ToClient::L2Definition::FreeWorld: {
DefWorldId_c cdId = co_await sock.read<DefWorldId_c>();
co_return;
}
case ToClient::L2Definition::Voxel: {
DefVoxelId_c cdId = co_await sock.read<DefVoxelId_c>();
co_return;
}
case ToClient::L2Definition::FreeVoxel: {
DefVoxelId_c cdId = co_await sock.read<DefVoxelId_c>();
co_return;
}
case ToClient::L2Definition::Node:
co_return;
case ToClient::L2Definition::FreeNode:
co_return;
case ToClient::L2Definition::Portal:
co_return;
case ToClient::L2Definition::FreePortal:
co_return;
case ToClient::L2Definition::Entity:
co_return;
case ToClient::L2Definition::FreeEntity:
co_return;
default:
protocolError();
}
}
coro<> ServerSession::rP_Content(Net::AsyncSocket &sock) {
uint8_t second = co_await sock.read<uint8_t>();
switch((ToClient::L2Content) second) {
case ToClient::L2Content::World:
co_return;
case ToClient::L2Content::RemoveWorld:
co_return;
case ToClient::L2Content::Portal:
co_return;
case ToClient::L2Content::RemovePortal:
co_return;
case ToClient::L2Content::Entity:
co_return;
case ToClient::L2Content::RemoveEntity:
co_return;
case ToClient::L2Content::ChunkVoxels:
{
WorldId_c wcId = co_await sock.read<WorldId_c>();
Pos::GlobalChunk::Key posKey = co_await sock.read<Pos::GlobalChunk::Key>();
Pos::GlobalChunk pos = *(Pos::GlobalChunk*) &posKey;
std::vector<VoxelCube> cubes(co_await sock.read<uint16_t>());
uint16_t debugCubesCount = cubes.size();
if(debugCubesCount > 1) {
int g = 0;
g++;
}
for(size_t iter = 0; iter < cubes.size(); iter++) {
VoxelCube &cube = cubes[iter];
cube.VoxelId = co_await sock.read<uint16_t>();
cube.Left.X = co_await sock.read<uint8_t>();
cube.Left.Y = co_await sock.read<uint8_t>();
cube.Left.Z = co_await sock.read<uint8_t>();
cube.Size.X = co_await sock.read<uint8_t>();
cube.Size.Y = co_await sock.read<uint8_t>();
cube.Size.Z = co_await sock.read<uint8_t>();
}
PP_Content_ChunkVoxels *packet = new PP_Content_ChunkVoxels(
ToClient::L1::Content,
(uint8_t) ToClient::L2Content::ChunkVoxels,
wcId,
pos,
std::move(cubes)
);
while(!NetInputPackets.push(packet));
co_return;
}
case ToClient::L2Content::ChunkNodes:
co_return;
case ToClient::L2Content::ChunkLightPrism:
co_return;
case ToClient::L2Content::RemoveChunk: {
WorldId_c wcId = co_await sock.read<uint8_t>();
Pos::GlobalChunk::Key posKey = co_await sock.read<Pos::GlobalChunk::Key>();
Pos::GlobalChunk pos = *(Pos::GlobalChunk*) &posKey;
PP_Content_ChunkRemove *packet = new PP_Content_ChunkRemove(
ToClient::L1::Content,
(uint8_t) ToClient::L2Content::RemoveChunk,
wcId,
pos
);
while(!NetInputPackets.push(packet));
co_return;
}
default:
protocolError();
}
}
}