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#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::string>() << 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<double, std::milli> 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();
}
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