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-rw-r--r--src/gamestate/GameState.cpp127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/gamestate/GameState.cpp b/src/gamestate/GameState.cpp
index 7bcc2d5..aaeecb1 100644
--- a/src/gamestate/GameState.cpp
+++ b/src/gamestate/GameState.cpp
@@ -1 +1,128 @@
#include "GameState.hpp"
+#include <nlohmann/json.hpp>
+#include "../packet/PacketParser.hpp"
+#include "../packet/PacketBuilder.hpp"
+
+GameState::GameState(NetworkClient *Net) : nc(Net) {
+ Packet *response = 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;
+ LOG(INFO) << g_PlayerName << "'s UUID is " << g_PlayerUuid;
+}
+
+void GameState::Update() {
+ Packet &packet = *nc->GetPacket();
+ if (&packet == nullptr)
+ return;
+
+ nlohmann::json json;
+
+ PacketParser::Parse(packet, m_networkState);
+
+ 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();
+ LOG(INFO) << "Gamemode is " << g_Gamemode << ", Difficulty is " << (int) g_Difficulty
+ << ", Level Type is " << g_LevelType;
+ 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();
+ LOG(INFO) << "Spawn position is " << g_SpawnPosition.GetX() << "," << g_SpawnPosition.GetY() << ","
+ << g_SpawnPosition.GetZ();
+ 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();
+ LOG(INFO) << "FOV modifier is " << g_PlayerFovModifier;
+ 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;
+ nc->AddPacketToQueue(PacketBuilder::CPlay0x03(0));
+ nc->AddPacketToQueue(PacketBuilder::CPlay0x00(packet.GetField(6).GetVarInt()));
+ LOG(INFO) << "Game is started!";
+ LOG(INFO) << "PlayerPos is " << g_PlayerX << ", " << g_PlayerY << ", " << g_PlayerZ << "\tAngle: "
+ << g_PlayerYaw
+ << "," << g_PlayerPitch;
+ 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:
+ world.ParseChunkData(packet);
+ break;
+ case 0x07:
+ LOG(INFO) << "Statistics: ";
+ for (int i = 0; i < packet.GetField(0).GetVarInt(); i++) {
+ LOG(INFO) << "\t" << packet.GetField(1).GetArray()[0].GetString() << ": "
+ << packet.GetField(1).GetArray()[1].GetVarInt();
+ }
+ break;
+ default:
+ 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) {
+ nc->AddPacketToQueue(
+ PacketBuilder::CPlay0x0D(g_PlayerX, g_PlayerY, g_PlayerZ, g_PlayerYaw, g_PlayerPitch, true));
+ timeOfPreviousSendedPpalPacket = clock.now();
+ }
+ }
+
+ delete &packet;
+}