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-rw-r--r--src/gamestate/Game.cpp173
-rw-r--r--src/gamestate/Game.hpp58
-rw-r--r--src/gamestate/GameState.cpp1
-rw-r--r--src/gamestate/GameState.hpp8
4 files changed, 240 insertions, 0 deletions
diff --git a/src/gamestate/Game.cpp b/src/gamestate/Game.cpp
new file mode 100644
index 0000000..15f83e6
--- /dev/null
+++ b/src/gamestate/Game.cpp
@@ -0,0 +1,173 @@
+#include "Game.hpp"
+#include "../packet/PacketParser.hpp"
+#include "../packet/PacketBuilder.hpp"
+#include <nlohmann/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;
+ //std::cout<<"Parsing packet: "<<std::hex<<packet.GetId()<<std::dec<<std::endl;
+ fflush(stdout);
+
+ 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);
+ {
+ std::vector<Vector>vec;
+ for (auto &it:m_world.m_sections) {
+ for (auto& it2:vec){
+ if (it2==it.first)
+ std::cout<<it.first<<std::endl;
+ }
+ vec.push_back(it.first);
+ }
+ }
+ 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();
+}
diff --git a/src/gamestate/Game.hpp b/src/gamestate/Game.hpp
new file mode 100644
index 0000000..adf9059
--- /dev/null
+++ b/src/gamestate/Game.hpp
@@ -0,0 +1,58 @@
+#pragma once
+
+#include "../utility/Vector.hpp"
+#include "../network/NetworkClient.hpp"
+#include "../world/World.hpp"
+#include "../graphics/Display.hpp"
+
+class Game {
+public:
+ Game();
+
+ ~Game();
+
+ void Exec();
+
+private:
+ //utility variables
+ NetworkClient *m_nc;
+ std::thread m_ncThread;
+ bool m_exit = false;
+ ConnectionState m_networkState = ConnectionState::Handshaking;
+ Display *m_display;
+ std::thread m_gameThread;
+
+ //utility methods
+ void ParsePackets();
+ void MainLoop();
+
+ //GameState update - condVars
+ std::condition_variable gameStartWaiter;
+
+ //game state variables
+ World m_world;
+
+ std::string g_PlayerUuid;
+ std::string g_PlayerName;
+ int g_PlayerEid;
+ byte g_Gamemode;
+ byte g_Difficulty;
+ int g_Dimension;
+ byte g_MaxPlayers;
+ std::string g_LevelType;
+ bool g_ReducedDebugInfo;
+ Vector g_SpawnPosition;
+ bool g_PlayerInvulnerable;
+ bool g_PlayerFlying;
+ bool g_PlayerAllowFlying;
+ bool g_PlayerCreativeMode;
+ int g_PlayerFlyingSpeed;
+ int g_PlayerFovModifier;
+ bool g_IsGameStarted = false;
+ float g_PlayerPitch;
+ float g_PlayerYaw;
+ double g_PlayerX;
+ double g_PlayerY;
+ double g_PlayerZ;
+};
+
diff --git a/src/gamestate/GameState.cpp b/src/gamestate/GameState.cpp
new file mode 100644
index 0000000..7bcc2d5
--- /dev/null
+++ b/src/gamestate/GameState.cpp
@@ -0,0 +1 @@
+#include "GameState.hpp"
diff --git a/src/gamestate/GameState.hpp b/src/gamestate/GameState.hpp
new file mode 100644
index 0000000..e9c433d
--- /dev/null
+++ b/src/gamestate/GameState.hpp
@@ -0,0 +1,8 @@
+#pragma once
+
+#include "../world/World.hpp"
+
+class GameState {
+public:
+ World world;
+};
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