#include "Game.hpp" #include "PacketParser.hpp" #include "PacketBuilder.hpp" #include "json.hpp" Game::Game() { m_display = new Display(1280, 720, "AltCraft", &m_world); m_nc = new NetworkClient("127.0.0.1", 25565, "HelloOne"); Packet &response = *m_nc->GetPacket(); if (response.GetId() != 0x02) { std::cout << response.GetId() << std::endl; throw 127; } PacketParser::Parse(response, Login); g_PlayerUuid = response.GetField(0).GetString(); g_PlayerName = response.GetField(1).GetString(); delete &response; m_networkState = ConnectionState::Play; std::cout << g_PlayerName << "'s UUID is " << g_PlayerUuid << std::endl; } Game::~Game() { std::cout << "Stopping game thread..." << std::endl; m_exit=true; m_gameThread.join(); std::cout << "Stopping graphics..." << std::endl; delete m_display; std::cout << "Stopping network..." << std::endl; delete m_nc; } void Game::MainLoop() { while (!m_exit) { ParsePackets(); if (m_display->IsClosed()) m_exit = true; } } void Game::ParsePackets() { Packet *packetPtr = m_nc->GetPacket(); if (!packetPtr) { using namespace std::chrono_literals; std::this_thread::sleep_for(16ms); return; } Packet packet = *packetPtr; delete packetPtr; PacketParser::Parse(packet); nlohmann::json json; switch (packet.GetId()) { case 0x23: g_PlayerEid = packet.GetField(0).GetInt(); g_Gamemode = (packet.GetField(1).GetUByte() & 0b11111011); g_Dimension = packet.GetField(2).GetInt(); g_Difficulty = packet.GetField(3).GetUByte(); g_MaxPlayers = packet.GetField(4).GetUByte(); g_LevelType = packet.GetField(5).GetString(); g_ReducedDebugInfo = packet.GetField(6).GetBool(); std::cout << "Gamemode is " << (int) g_Gamemode << ", Difficulty is " << (int) g_Difficulty << ", Level Type is " << g_LevelType << std::endl; break; case 0x0D: g_Difficulty = packet.GetField(0).GetUByte(); std::cout << "Difficulty now is " << (int) g_Difficulty << std::endl; break; case 0x43: g_SpawnPosition = packet.GetField(0).GetPosition(); std::cout << "Spawn position is " << g_SpawnPosition.GetX() << "," << g_SpawnPosition.GetY() << "," << g_SpawnPosition.GetZ() << std::endl; break; case 0x2B: g_PlayerInvulnerable = (packet.GetField(0).GetByte() & 0x01) != 0; g_PlayerFlying = (packet.GetField(0).GetByte() & 0x02) != 0; g_PlayerAllowFlying = (packet.GetField(0).GetByte() & 0x04) != 0; g_PlayerCreativeMode = (packet.GetField(0).GetByte() & 0x08) != 0; g_PlayerFlyingSpeed = packet.GetField(1).GetFloat(); g_PlayerFovModifier = packet.GetField(2).GetFloat(); std::cout << "Fov modifier is " << g_PlayerFovModifier << std::endl; break; case 0x2E: if ((packet.GetField(5).GetByte() & 0x10) != 0) { g_PlayerPitch += packet.GetField(4).GetFloat(); } else { g_PlayerPitch = packet.GetField(4).GetFloat(); }; if ((packet.GetField(5).GetByte() & 0x08) != 0) { g_PlayerYaw += packet.GetField(3).GetFloat(); } else { g_PlayerYaw = packet.GetField(3).GetFloat(); } if ((packet.GetField(5).GetByte() & 0x01) != 0) { g_PlayerX += packet.GetField(0).GetDouble(); } else { g_PlayerX = packet.GetField(0).GetDouble(); } if ((packet.GetField(5).GetByte() & 0x02) != 0) { g_PlayerY += packet.GetField(1).GetDouble(); } else { g_PlayerY = packet.GetField(1).GetDouble(); } if ((packet.GetField(5).GetByte() & 0x04) != 0) { g_PlayerZ += packet.GetField(2).GetDouble(); } else { g_PlayerZ = packet.GetField(2).GetDouble(); } g_IsGameStarted = true; m_nc->AddPacketToQueue(PacketBuilder::CPlay0x03(0)); m_nc->AddPacketToQueue(PacketBuilder::CPlay0x00(packet.GetField(6).GetVarInt())); std::cout << "Game is started! " << std::endl; std::cout << "PlayerPos is " << g_PlayerX << "," << g_PlayerY << "," << g_PlayerZ << "\tAngle: " << g_PlayerYaw << "," << g_PlayerPitch << std::endl; m_display->SetPlayerPos(g_PlayerX, g_PlayerY,g_PlayerZ); gameStartWaiter.notify_all(); break; case 0x1A: json = nlohmann::json::parse(packet.GetField(0).GetString()); std::cout << "Disconnect reason: " << json["text"].get() << std::endl; throw 119; break; case 0x20: m_world.ParseChunkData(packet); break; case 0x07: std::cout << "Statistics:" << std::endl; //int items = packet.GetField(0).GetVarInt(); for (int i = 0; i < packet.GetField(0).GetVarInt(); i++) { std::cout << "\t" << packet.GetField(1).GetArray()[0].GetString() << ": " << packet.GetField(1).GetArray()[1].GetVarInt() << std::endl; } break; default: //std::cout << std::hex << packet.GetId() << std::dec << std::endl; break; } if (g_IsGameStarted) { std::chrono::steady_clock clock; static auto timeOfPreviousSendedPpalPacket(clock.now()); std::chrono::duration delta = clock.now() - timeOfPreviousSendedPpalPacket; if (delta.count() >= 50) { m_nc->AddPacketToQueue( PacketBuilder::CPlay0x0D(g_PlayerX, g_PlayerY, g_PlayerZ, g_PlayerYaw, g_PlayerPitch, true)); timeOfPreviousSendedPpalPacket = clock.now(); /*std::cout << "PlayerPos is " << g_PlayerX << "," << g_PlayerY << "," << g_PlayerZ << " " << g_PlayerYaw << "," << g_PlayerPitch << std::endl;*/ } } } void Game::Exec() { m_gameThread = std::thread(&Game::MainLoop, this); m_display->MainLoop(); }