10 files changed, 887 insertions, 0 deletions

diff --git a/old/world/Block.cpp b/old/world/Block.cpp
new file mode 100644
index 0000000..e88068a
--- /dev/null
+++ b/old/world/Block.cpp
@@ -0,0 +1,17 @@
+#include "Block.hpp"
+
+Block::~Block() {}
+
+Block::Block(unsigned short id, unsigned char state) : id(id), state(state) {}
+
+Block::Block() : id(0), state(0) {}
+
+bool operator<(const Block &lhs, const Block &rhs) {
+	if (lhs.id < rhs.id)
+		return true;
+	if (lhs.id == rhs.id) {
+		if (lhs.state != rhs.state)
+			return lhs.state < rhs.state;
+	}
+	return false;
+}
diff --git a/old/world/Block.hpp b/old/world/Block.hpp
new file mode 100644
index 0000000..2f823fe
--- /dev/null
+++ b/old/world/Block.hpp
@@ -0,0 +1,15 @@
+#pragma once
+
+struct Block {
+	Block();
+
+	Block(unsigned short id, unsigned char state);
+
+	~Block();
+
+	unsigned short id : 13;
+	unsigned char state : 4;
+	//unsigned char light:4;
+};
+
+bool operator<(const Block &lhs, const Block &rhs);
\ No newline at end of file
diff --git a/old/world/Collision.cpp b/old/world/Collision.cpp
new file mode 100644
index 0000000..4f2c837
--- /dev/null
+++ b/old/world/Collision.cpp
@@ -0,0 +1,28 @@
+#include "Collision.hpp"
+
+bool TestCollision(AABB first, AABB second) {
+	double firstXl = first.x;
+	double firstXr = first.x + first.w;
+
+	double firstYl = first.y;
+	double firstYr = first.y + first.h;
+
+	double firstZl = first.z;
+	double firstZr = first.z + first.l;
+
+
+	double secondXl = second.x;
+	double secondXr = second.x + second.w;
+
+	double secondYl = second.y;
+	double secondYr = second.y + second.h;
+
+	double secondZl = second.z;
+	double secondZr = second.z + second.l;
+
+	bool collidesOnX = firstXr >= secondXl && firstXl <= secondXr;
+	bool collidesOnY = firstYr >= secondYl && firstYl <= secondYr;
+	bool collidesOnZ = firstZr >= secondZl && firstZl <= secondZr;
+
+	return collidesOnX && collidesOnY && collidesOnZ;
+}
diff --git a/old/world/Collision.hpp b/old/world/Collision.hpp
new file mode 100644
index 0000000..b88fbf7
--- /dev/null
+++ b/old/world/Collision.hpp
@@ -0,0 +1,8 @@
+#pragma once
+
+struct AABB {
+	double x,y,z;
+	double w,l,h;
+};
+
+bool TestCollision(AABB first, AABB second);
\ No newline at end of file
diff --git a/old/world/GameState.cpp b/old/world/GameState.cpp
new file mode 100644
index 0000000..3ccff37
--- /dev/null
+++ b/old/world/GameState.cpp
@@ -0,0 +1,383 @@
+#include "GameState.hpp"
+
+GameState::GameState(NetworkClient *Net, bool &quit) : nc(Net), isRunning(quit) {
+	Front = glm::vec3(0.0f, 0.0f, -1.0f);
+	this->SetPosition(glm::vec3(0.0f, 0.0f, 3.0f));
+	this->WorldUp = glm::vec3(0.0f, 1.0f, 0.0f);
+	this->updateCameraVectors();
+}
+
+void GameState::Update(float deltaTime) {
+	if (g_IsGameStarted) {
+		std::chrono::steady_clock clock;
+		static auto timeOfPreviousSendedPacket(clock.now());
+		auto delta = clock.now() - timeOfPreviousSendedPacket;
+		using namespace std::chrono_literals;
+		if (delta >= 50ms) {
+			nc->SendPacket(std::make_shared<PacketPlayerPositionAndLookSB>(g_PlayerX, g_PlayerY, g_PlayerZ, g_PlayerYaw,
+			                                                               g_PlayerPitch, g_OnGround));
+			timeOfPreviousSendedPacket = clock.now();
+		}
+
+		const float gravity = -9.8f;
+		g_PlayerVelocityY += gravity * deltaTime;
+
+		bool isCollides = world.isPlayerCollides(g_PlayerX, g_PlayerY + g_PlayerVelocityY * deltaTime,
+		                                         g_PlayerZ);
+		if (!isCollides) {
+			g_PlayerY += g_PlayerVelocityY * deltaTime;
+			g_OnGround = false;
+		} else {
+			g_PlayerVelocityY = 0;
+			if (g_OnGround == false) {
+				auto updatePacket = std::make_shared<PacketPlayerPosition>(g_PlayerX, g_PlayerY, g_PlayerZ, true);
+				nc->SendPacket(updatePacket);
+			}
+			g_OnGround = true;
+		}
+
+		isCollides = world.isPlayerCollides(g_PlayerX + g_PlayerVelocityX * deltaTime, g_PlayerY,
+		                                    g_PlayerZ + g_PlayerVelocityZ * deltaTime);
+		if (!isCollides) {
+			g_PlayerX += g_PlayerVelocityX * deltaTime;
+			g_PlayerZ += g_PlayerVelocityZ * deltaTime;
+		}
+
+		const float AirResistance = 10.0f;
+		glm::vec3 vel(g_PlayerVelocityX, 0, g_PlayerVelocityZ);
+		glm::vec3 resistForce = -vel * AirResistance * deltaTime;
+		vel += resistForce;
+		g_PlayerVelocityX = vel.x;
+		g_PlayerVelocityZ = vel.z;
+	}
+
+
+	//Packet handling
+	auto ptr = nc->ReceivePacket();
+	while (ptr != nullptr) {
+		switch ((PacketNamePlayCB) ptr->GetPacketId()) {
+			case SpawnObject:
+				break;
+			case SpawnExperienceOrb:
+				break;
+			case SpawnGlobalEntity:
+				break;
+			case SpawnMob:
+				break;
+			case SpawnPainting:
+				break;
+			case SpawnPlayer:
+				break;
+			case AnimationCB:
+				break;
+			case Statistics:
+				break;
+			case BlockBreakAnimation:
+				break;
+			case UpdateBlockEntity:
+				break;
+			case BlockAction:
+				break;
+			case BlockChange:
+				break;
+			case BossBar:
+				break;
+			case ServerDifficulty:
+				break;
+			case TabCompleteCB:
+				break;
+			case ChatMessageCB:
+				break;
+			case MultiBlockChange:
+				break;
+			case ConfirmTransactionCB:
+				break;
+			case CloseWindowCB:
+				break;
+			case OpenWindow:
+				break;
+			case WindowItems:
+				break;
+			case WindowProperty:
+				break;
+			case SetSlot:
+				break;
+			case SetCooldown:
+				break;
+			case PluginMessageCB:
+				break;
+			case NamedSoundEffect:
+				break;
+			case DisconnectPlay: {
+				auto packet = std::static_pointer_cast<PacketDisconnectPlay>(ptr);
+				LOG(INFO) << "Disconnect reason: " << packet->Reason;
+				isRunning = false;
+				break;
+			}
+			case EntityStatus:
+				break;
+			case Explosion:
+				break;
+			case UnloadChunk:
+				break;
+			case ChangeGameState:
+				break;
+			case KeepAliveCB:
+				LOG(WARNING) << "Receive KeepAlive packet in GameState handler";
+				break;
+			case ChunkData: {
+				auto packet = std::static_pointer_cast<PacketChunkData>(ptr);
+				world.ParseChunkData(packet);
+				break;
+			}
+			case Effect:
+				break;
+			case Particle:
+				break;
+			case JoinGame: {
+				auto packet = std::static_pointer_cast<PacketJoinGame>(ptr);
+				g_PlayerEid = packet->EntityId;
+				g_Gamemode = (packet->Gamemode & 0b11111011);
+				g_Dimension = packet->Dimension;
+				g_Difficulty = packet->Difficulty;
+				g_MaxPlayers = packet->MaxPlayers;
+				g_LevelType = packet->LevelType;
+				g_ReducedDebugInfo = packet->ReducedDebugInfo;
+				LOG(INFO) << "Gamemode is " << g_Gamemode << ", Difficulty is " << (int) g_Difficulty
+				          << ", Level Type is " << g_LevelType;
+				break;
+			}
+			case Map:
+				break;
+			case EntityRelativeMove:
+				break;
+			case EntityLookAndRelativeMove:
+				break;
+			case EntityLook:
+				break;
+			case Entity:
+				break;
+			case VehicleMove:
+				break;
+			case OpenSignEditor:
+				break;
+			case PlayerAbilitiesCB:
+				break;
+			case CombatEvent:
+				break;
+			case PlayerListItem:
+				break;
+			case PlayerPositionAndLookCB: {
+				auto packet = std::static_pointer_cast<PacketPlayerPositionAndLookCB>(ptr);
+				if ((packet->Flags & 0x10) != 0) {
+					g_PlayerPitch += packet->Pitch;
+				} else {
+					g_PlayerPitch = packet->Pitch;
+				};
+
+				if ((packet->Flags & 0x08) != 0) {
+					g_PlayerYaw += packet->Yaw;
+				} else {
+					g_PlayerYaw = packet->Yaw;
+				}
+
+				if ((packet->Flags & 0x01) != 0) {
+					g_PlayerX += packet->X;
+				} else {
+					g_PlayerX = packet->X;
+				}
+
+				if ((packet->Flags & 0x02) != 0) {
+					g_PlayerY += packet->Y;
+				} else {
+					g_PlayerY = packet->Y;
+				}
+
+				if ((packet->Flags & 0x04) != 0) {
+					g_PlayerZ += packet->Z;
+				} else {
+					g_PlayerZ = packet->Z;
+				}
+
+				//if (!g_IsGameStarted)
+				LOG(INFO) << "PlayerPos is " << g_PlayerX << ", " << g_PlayerY << ", " << g_PlayerZ << "\t\tAngle: "
+				          << g_PlayerYaw << "," << g_PlayerPitch;
+
+				g_IsGameStarted = true;
+
+				auto packetResponse = std::make_shared<PacketTeleportConfirm>(packet->TeleportId);
+				auto packetPerformRespawn = std::make_shared<PacketClientStatus>(0);
+
+				nc->SendPacket(packetResponse);
+				nc->SendPacket(packetPerformRespawn);
+				break;
+			}
+			case UseBed:
+				break;
+			case UnlockRecipes:
+				break;
+			case DestroyEntities:
+				break;
+			case RemoveEntityEffect:
+				break;
+			case ResourcePackSend:
+				break;
+			case Respawn:
+				break;
+			case EntityHeadLook:
+				break;
+			case SelectAdvancementTab:
+				break;
+			case WorldBorder:
+				break;
+			case Camera:
+				break;
+			case HeldItemChangeCB:
+				break;
+			case DisplayScoreboard:
+				break;
+			case EntityMetadata:
+				break;
+			case AttachEntity:
+				break;
+			case EntityVelocity:
+				break;
+			case EntityEquipment:
+				break;
+			case SetExperience:
+				break;
+			case UpdateHealth: {
+				auto packet = std::static_pointer_cast<PacketUpdateHealth>(ptr);
+				g_PlayerHealth = packet->Health;
+				if (g_PlayerHealth <= 0) {
+					LOG(INFO) << "Player is dead. Respawning...";
+					auto packetPerformRespawn = std::make_shared<PacketClientStatus>(0);
+					nc->SendPacket(packetPerformRespawn);
+				}
+				break;
+			}
+			case ScoreboardObjective:
+				break;
+			case SetPassengers:
+				break;
+			case Teams:
+				break;
+			case UpdateScore:
+				break;
+			case SpawnPosition: {
+				auto packet = std::static_pointer_cast<PacketSpawnPosition>(ptr);
+				g_SpawnPosition = packet->Location;
+				LOG(INFO) << "Spawn position is " << g_SpawnPosition.GetX() << "," << g_SpawnPosition.GetY() << ","
+				          << g_SpawnPosition.GetZ();
+				break;
+			}
+			case TimeUpdate:
+				break;
+			case Title:
+				break;
+			case SoundEffect:
+				break;
+			case PlayerListHeaderAndFooter:
+				break;
+			case CollectItem:
+				break;
+			case EntityTeleport:
+				break;
+			case Advancements:
+				break;
+			case EntityProperties:
+				break;
+			case EntityEffect:
+				break;
+		}
+		ptr = nc->ReceivePacket();
+	}
+}
+
+void GameState::HandleMovement(GameState::Direction direction, float deltaTime) {
+	const float PlayerSpeed = 40.0;
+	float velocity = PlayerSpeed * deltaTime;
+	glm::vec3 vel(g_PlayerVelocityX, g_PlayerVelocityY, g_PlayerVelocityZ);
+	glm::vec3 front(cos(glm::radians(this->Yaw())) * cos(glm::radians(this->Pitch())), 0,
+	                sin(glm::radians(this->Yaw())) * cos(glm::radians(this->Pitch())));
+	front = glm::normalize(front);
+	glm::vec3 right = glm::normalize(glm::cross(front, this->WorldUp));
+	switch (direction) {
+		case FORWARD:
+			vel += front * velocity;
+			break;
+		case BACKWARD:
+			vel -= front * velocity;
+			break;
+		case RIGHT:
+			vel += right * velocity;
+			break;
+		case LEFT:
+			vel -= right * velocity;
+			break;
+		case JUMP:
+			if (g_OnGround) {
+				vel.y += 5;
+				g_OnGround = false;
+			}
+			break;
+	}
+	g_PlayerVelocityX = vel.x;
+	g_PlayerVelocityY = vel.y;
+	g_PlayerVelocityZ = vel.z;
+}
+
+void GameState::HandleRotation(double yaw, double pitch) {
+	this->SetYaw(Yaw() + yaw);
+	this->SetPitch(Pitch() + pitch);
+	if (this->Pitch() > 89.0f)
+		this->SetPitch(89.0f);
+	if (this->Pitch() < -89.0f)
+		this->SetPitch(-89.0f);
+	this->updateCameraVectors();
+
+	auto updatePacket = std::make_shared<PacketPlayerLook>(g_PlayerYaw, g_PlayerPitch, g_OnGround);
+	nc->SendPacket(updatePacket);
+}
+
+glm::mat4 GameState::GetViewMatrix() {
+	auto pos = this->Position();
+	pos.y+=1.62;
+	return glm::lookAt(pos, pos + this->Front, this->Up);
+}
+
+void GameState::updateCameraVectors() {
+	glm::vec3 front;
+	front.x = cos(glm::radians(this->Yaw())) * cos(glm::radians(this->Pitch()));
+	front.y = sin(glm::radians(this->Pitch()));
+	front.z = sin(glm::radians(this->Yaw())) * cos(glm::radians(this->Pitch()));
+	this->Front = glm::normalize(front);
+	this->Right = glm::normalize(glm::cross(this->Front, this->WorldUp));
+	this->Up = glm::normalize(glm::cross(this->Right, this->Front));
+}
+
+float GameState::Yaw() {
+	return g_PlayerYaw + 90;
+}
+
+float GameState::Pitch() {
+	return -g_PlayerPitch;
+}
+
+void GameState::SetYaw(float yaw) {
+	g_PlayerYaw = yaw - 90;
+}
+
+void GameState::SetPitch(float pitch) {
+	g_PlayerPitch = -pitch;
+}
+
+glm::vec3 GameState::Position() {
+	return glm::vec3(g_PlayerX, g_PlayerY, g_PlayerZ);
+}
+
+void GameState::SetPosition(glm::vec3 Position) {
+	g_PlayerX = Position.x;
+	g_PlayerY = Position.y;
+	g_PlayerZ = Position.z;
+}
diff --git a/old/world/GameState.hpp b/old/world/GameState.hpp
new file mode 100644
index 0000000..2635054
--- /dev/null
+++ b/old/world/GameState.hpp
@@ -0,0 +1,71 @@
+#pragma once
+
+#include <nlohmann/json.hpp>
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+#include "World.hpp"
+#include "../network/NetworkClient.hpp"
+#include "../Vector.hpp"
+
+class GameState {
+	NetworkClient *nc;
+public:
+	GameState(NetworkClient *NetClient, bool &quit);
+
+	void Update(float deltaTime);
+
+	//Navigation
+	enum Direction {
+		FORWARD, BACKWARD, LEFT, RIGHT, JUMP
+	};
+	void HandleMovement(GameState::Direction direction, float deltaTime);
+	void HandleRotation(double yaw, double pitch);
+	glm::mat4 GetViewMatrix();
+	void updateCameraVectors();
+
+	float Yaw();
+	float Pitch();
+	void SetYaw(float yaw);
+	void SetPitch(float pitch);
+
+	glm::vec3 Position();
+	void SetPosition(glm::vec3 Position);
+	glm::vec3 Front;
+	glm::vec3 Up;
+	glm::vec3 Right;
+	glm::vec3 WorldUp;
+
+	//Everything other
+	World world;
+	bool &isRunning;
+
+	std::string g_PlayerUuid;
+	std::string g_PlayerName;
+	bool g_IsGameStarted;
+	int g_PlayerEid;
+	int g_Gamemode;
+	int g_Dimension;
+	byte g_Difficulty;
+	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;
+	float g_PlayerFlyingSpeed;
+	float g_PlayerFovModifier;
+	float g_PlayerPitch;
+	float g_PlayerYaw;
+	double g_PlayerX;
+	double g_PlayerY;
+	double g_PlayerZ;
+	float g_PlayerHealth;
+
+	bool g_OnGround = true;
+	double g_PlayerVelocityX = 0;
+	double g_PlayerVelocityY = 0;
+	double g_PlayerVelocityZ = 0;
+};
diff --git a/old/world/Section.cpp b/old/world/Section.cpp
new file mode 100644
index 0000000..8b86afd
--- /dev/null
+++ b/old/world/Section.cpp
@@ -0,0 +1,147 @@
+#include "Section.hpp"
+
+
+Section::Section(Vector position, byte *dataBlocks, size_t dataBlocksLength, byte *dataLight, byte *dataSky,
+                 byte bitsPerBlock,
+                 std::vector<unsigned short> palette) {
+	worldPosition = position;
+
+	m_dataBlocksLen = dataBlocksLength;
+	m_dataBlocks = new byte[m_dataBlocksLen];
+	std::copy(dataBlocks, dataBlocks + m_dataBlocksLen, m_dataBlocks);
+
+	m_dataLight = new byte[2048];
+	std::copy(dataLight, dataLight + 2048, m_dataLight);
+
+	if (dataSky) {
+		m_dataSkyLight = new byte[2048];
+		std::copy(dataSky, dataSky + 2048, m_dataSkyLight);
+	}
+
+	m_palette = palette;
+	m_bitsPerBlock = bitsPerBlock;
+}
+
+Section::~Section() {
+	delete[] m_dataBlocks;
+	m_dataBlocksLen = 0;
+	m_dataBlocks = nullptr;
+	delete[] m_dataLight;
+	m_dataLight = nullptr;
+	delete[] m_dataSkyLight;
+	m_dataSkyLight = nullptr;
+}
+
+Block &Section::GetBlock(Vector pos) {
+	return m_blocks[pos.GetY() * 256 + pos.GetZ() * 16 + pos.GetX()];
+}
+
+double totalParsingTime = 0;
+
+void Section::Parse() {
+	if (!m_blocks.empty())
+		return;
+
+	long long *longArray = reinterpret_cast<long long *>(m_dataBlocks);
+	for (size_t i = 0; i < m_dataBlocksLen / 8; i++)
+		endswap(&longArray[i]);
+	std::vector<unsigned short> blocks;
+	blocks.reserve(4096);
+	{
+		auto begin = std::chrono::steady_clock::now();
+		int bitPos = 0;
+		unsigned short t = 0;
+		for (size_t i = 0; i < m_dataBlocksLen; i++) {
+			for (int j = 0; j < 8; j++) {
+				t |= (m_dataBlocks[i] & 0x01) ? 0x80 : 0x00;
+				t >>= 1;
+				m_dataBlocks[i] >>= 1;
+				bitPos++;
+				if (bitPos >= m_bitsPerBlock) {
+					bitPos = 0;
+					t >>= m_bitsPerBlock - 1;
+					blocks.push_back(t);
+					t = 0;
+				}
+			}
+		}
+		auto end = std::chrono::steady_clock::now();
+		std::chrono::duration<double, std::milli> time = end - begin;
+		totalParsingTime += time.count();
+	}
+	std::vector<byte> light;
+	light.reserve(4096);
+	for (int i = 0; i < 2048; i++) {
+		byte t = m_dataLight[i];
+		byte first = t & 0b11110000;
+		byte second = t >> 4;
+		light.push_back(first);
+		light.push_back(second);
+	}
+	for (int i = 0; i < 4096; i++) {
+		unsigned short blockId = m_palette.size() > 0 ? m_palette[blocks[i]] : blocks[i];
+		Block block(blockId >> 4, blockId & 0xF);
+		m_blocks.push_back(block);
+	}
+	delete[] m_dataBlocks;
+	m_dataBlocksLen = 0;
+	m_dataBlocks = nullptr;
+	delete[] m_dataLight;
+	m_dataLight = nullptr;
+	delete[] m_dataSkyLight;
+	m_dataSkyLight = nullptr;
+
+	parseWaiter.notify_all();
+}
+
+Section &Section::operator=(Section other) {
+	std::swap(*this, other);
+	return *this;
+}
+
+void swap(Section &a, Section &b) {
+	using std::swap;
+	swap(a.m_dataBlocksLen, b.m_dataBlocksLen);
+	swap(a.m_dataBlocks, b.m_dataBlocks);
+	swap(a.m_dataLight, b.m_dataLight);
+	swap(a.m_dataSkyLight, b.m_dataSkyLight);
+	swap(a.m_blocks, b.m_blocks);
+	swap(a.m_palette, b.m_palette);
+	swap(a.m_bitsPerBlock, b.m_bitsPerBlock);
+}
+
+Section::Section(const Section &other) {
+	worldPosition = other.worldPosition;
+	m_dataBlocksLen = other.m_dataBlocksLen;
+	if (other.m_blocks.empty()) {
+		m_dataBlocks = new byte[m_dataBlocksLen];
+		std::copy(other.m_dataBlocks, other.m_dataBlocks + m_dataBlocksLen, m_dataBlocks);
+
+		m_dataLight = new byte[2048];
+		std::copy(other.m_dataLight, other.m_dataLight + 2048, m_dataLight);
+
+		if (other.m_dataSkyLight) {
+			m_dataSkyLight = new byte[2048];
+			std::copy(other.m_dataSkyLight, other.m_dataSkyLight + 2048, m_dataSkyLight);
+		}
+	} else {
+		std::copy(other.m_blocks.begin(), other.m_blocks.end(), std::back_inserter(m_blocks));
+	}
+
+	m_palette = other.m_palette;
+	m_bitsPerBlock = other.m_bitsPerBlock;
+}
+
+Vector Section::GetPosition() {
+	return worldPosition;
+}
+
+size_t Section::GetHash() {
+	if (m_blocks.empty()) return 0;
+
+	unsigned char *from = reinterpret_cast<unsigned char *>(m_blocks.data());
+	size_t length = m_blocks.size() * sizeof(Block);
+
+	std::string str(from, from + length);
+	return std::hash<std::string>{}(str);
+}
\ No newline at end of file
diff --git a/old/world/Section.hpp b/old/world/Section.hpp
new file mode 100644
index 0000000..e98e231
--- /dev/null
+++ b/old/world/Section.hpp
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <vector>
+#include <map>
+#include <condition_variable>
+#include <functional>
+
+#include <easylogging++.h>
+
+#include "Block.hpp"
+#include "../Vector.hpp"
+#include "../Utility.hpp"
+
+const int SECTION_WIDTH = 16;
+const int SECTION_LENGTH = 16;
+const int SECTION_HEIGHT = 16;
+
+class Section {
+	std::vector<unsigned short> m_palette;
+	byte *m_dataBlocks = nullptr;
+	size_t m_dataBlocksLen;
+	byte *m_dataLight = nullptr;
+	byte *m_dataSkyLight = nullptr;
+	byte m_bitsPerBlock = 0;
+	std::vector<Block> m_blocks;
+	std::condition_variable parseWaiter;
+
+	Section();
+
+	Vector worldPosition;
+
+public:
+	void Parse();
+
+	Section(Vector position, byte *dataBlocks, size_t dataBlocksLength, byte *dataLight, byte *dataSky, byte bitsPerBlock,
+	        std::vector<unsigned short> palette);
+
+	~Section();
+
+	Block &GetBlock(Vector pos);
+
+	Section &operator=(Section other);
+
+	friend void swap(Section &a, Section &b);
+
+	Section(const Section &other);
+
+	Vector GetPosition();
+
+    size_t GetHash();
+};
\ No newline at end of file
diff --git a/old/world/World.cpp b/old/world/World.cpp
new file mode 100644
index 0000000..487f4ba
--- /dev/null
+++ b/old/world/World.cpp
@@ -0,0 +1,129 @@
+#include "World.hpp"
+
+void World::ParseChunkData(std::shared_ptr<PacketChunkData> packet) {
+	StreamBuffer chunkData(packet->Data.data(), packet->Data.size());
+	std::bitset<16> bitmask(packet->PrimaryBitMask);
+	for (int i = 0; i < 16; i++) {
+		if (bitmask[i]) {
+			Vector chunkPosition = Vector(packet->ChunkX, i, packet->ChunkZ);
+			Section section = ParseSection(&chunkData, chunkPosition);
+			section.Parse();
+			sectionMutexes[chunkPosition].lock();
+			auto it = sections.find(chunkPosition);
+			if (it == sections.end()) {
+				sections.insert(std::make_pair(chunkPosition, section));
+			} else {
+				using std::swap;
+				swap(it->second, section);
+			}
+			sectionMutexes[chunkPosition].unlock();
+		}
+	}
+}
+
+Section World::ParseSection(StreamInput *data, Vector position) {
+	unsigned char bitsPerBlock = data->ReadUByte();
+	int paletteLength = data->ReadVarInt();
+	std::vector<unsigned short> palette;
+	for (int i = 0; i < paletteLength; i++) {
+		palette.push_back(data->ReadVarInt());
+	}
+	int dataArrayLength = data->ReadVarInt();
+	auto dataArray = data->ReadByteArray(dataArrayLength * 8);
+	auto blockLight = data->ReadByteArray(4096 / 2);
+	std::vector<unsigned char> skyLight;
+	if (dimension == 0)
+		skyLight = data->ReadByteArray(4096 / 2);
+	return Section(position, dataArray.data(), dataArray.size(), blockLight.data(),
+	               (skyLight.size() > 0 ? skyLight.data() : nullptr), bitsPerBlock, palette);
+}
+
+World::~World() {
+}
+
+World::World() {
+
+}
+
+bool World::isPlayerCollides(double X, double Y, double Z) {
+	Vector PlayerChunk(floor(X / 16.0), floor(Y / 16.0), floor(Z / 16.0));
+	std::vector<Vector> closestSectionsCoordinates = {
+			Vector(PlayerChunk.GetX(), PlayerChunk.GetY(), PlayerChunk.GetZ()),
+			Vector(PlayerChunk.GetX() + 1, PlayerChunk.GetY(), PlayerChunk.GetZ()),
+			Vector(PlayerChunk.GetX() - 1, PlayerChunk.GetY(), PlayerChunk.GetZ()),
+			Vector(PlayerChunk.GetX(), PlayerChunk.GetY() + 1, PlayerChunk.GetZ()),
+			Vector(PlayerChunk.GetX(), PlayerChunk.GetY() - 1, PlayerChunk.GetZ()),
+			Vector(PlayerChunk.GetX(), PlayerChunk.GetY(), PlayerChunk.GetZ() + 1),
+			Vector(PlayerChunk.GetX(), PlayerChunk.GetY(), PlayerChunk.GetZ() - 1),
+	};
+	std::vector<std::map<Vector, Section>::iterator> closestSections;
+	for (auto &coord:closestSectionsCoordinates) {
+		auto it = sections.find(coord);
+		if (it != sections.end())
+			closestSections.push_back(it);
+	}
+	if (closestSections.empty())
+		return false;
+
+	for (auto &it:closestSections) {
+
+		const double PlayerWidth = 0.6;
+		const double PlayerHeight = 1.82;
+		const double PlayerLength = 0.6;
+
+		AABB playerColl;
+		playerColl.x = X - PlayerWidth / 2.0;
+		playerColl.w = PlayerWidth;
+		playerColl.y = Y;
+		playerColl.h = PlayerHeight;
+		playerColl.z = Z - PlayerLength / 2.0;
+		playerColl.l = PlayerLength;
+
+		for (int x = 0; x < 16; x++) {
+			for (int y = 0; y < 16; y++) {
+				for (int z = 0; z < 16; z++) {
+					Block block = it->second.GetBlock(Vector(x, y, z));
+					if (block.id == 0 || block.id == 31)
+						continue;
+					AABB blockColl{(x + it->first.GetX() * 16.0),
+					               (y + it->first.GetY() * 16.0),
+					               (z + it->first.GetZ() * 16.0), 1, 1, 1};
+					if (TestCollision(playerColl, blockColl))
+						return true;
+				}
+			}
+		}
+	}
+	return false;
+}
+
+Block &World::GetBlock(Vector pos) {
+	Vector sectionPos (floor(pos.GetX() / 16.0f),floor(pos.GetY() / 16.0f),floor(pos.GetZ()/16.0f));
+	Vector inSectionPos = pos - (sectionPos * 16);
+	if (sections.find(sectionPos)==sections.end()){
+		static Block block(0,0);
+		return block;
+	}
+	sectionMutexes[sectionPos].lock();
+	Block& block = sections.find(sectionPos)->second.GetBlock(inSectionPos);
+	sectionMutexes[sectionPos].unlock();
+	return block;
+}
+
+std::vector<Vector> World::GetSectionsList() {
+	std::vector<Vector> sectionsList;
+	for (auto& it:sections) {
+		sectionsList.push_back(it.first);
+	}
+	return sectionsList;
+}
+
+Section &World::GetSection(Vector sectionPos) {
+	sectionMutexes[sectionPos].lock();
+	sectionMutexes[sectionPos].unlock();
+	return sections.find(sectionPos)->second;
+}
+
+glm::vec3 World::Raycast(glm::vec3 position, glm::vec3 direction, float maxLength, float minPrecision) {
+    return glm::vec3(position * direction / maxLength * minPrecision);
+}
diff --git a/old/world/World.hpp b/old/world/World.hpp
new file mode 100644
index 0000000..05fe57d
--- /dev/null
+++ b/old/world/World.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include <map>
+#include <bitset>
+
+#include <easylogging++.h>
+
+#include <old/world/Block.hpp>
+#include <old/world/Section.hpp>
+#include <old/network/Packet.hpp>
+#include <old/world/Collision.hpp>
+
+class World {
+	std::map<Vector, Section> sections;
+	std::map<Vector, std::mutex> sectionMutexes;
+	int dimension = 0;
+
+	Section ParseSection(StreamInput *data, Vector position);
+
+	World(const World &other);
+	World &operator=(const World &other);
+public:
+	World();
+
+	~World();
+
+	void ParseChunkData(std::shared_ptr<PacketChunkData> packet);
+
+	bool isPlayerCollides(double X, double Y, double Z);
+
+	Block &GetBlock(Vector pos);
+
+	std::vector<Vector> GetSectionsList();
+
+	Section &GetSection(Vector sectionPos);
+
+	glm::vec3 Raycast(glm::vec3 position, glm::vec3 direction, float maxLength = 1000.0f, float minPrecision = 0.01f);
+};
\ No newline at end of file