43 files changed, 3688 insertions, 0 deletions

diff --git a/code/Block.cpp b/code/Block.cpp
new file mode 100644
index 0000000..64e5330
--- /dev/null
+++ b/code/Block.cpp
@@ -0,0 +1,10 @@
+#include "Block.hpp"
+
+Block::~Block() {}
+
+Block::Block(unsigned short idAndState, unsigned char light) : id(idAndState >> 4), state(idAndState & 0x0F),
+                                                               light(light) {}
+
+Block::Block(unsigned short id, unsigned char state, unsigned char light) : id(id), state(state), light(light) {}
+
+Block::Block() : id(0), state(0), light(0) {}
diff --git a/code/Block.hpp b/code/Block.hpp
new file mode 100644
index 0000000..7c780c1
--- /dev/null
+++ b/code/Block.hpp
@@ -0,0 +1,15 @@
+#pragma once
+
+struct Block {
+    Block(unsigned short idAndState, unsigned char light);
+
+    Block(unsigned short id, unsigned char state, unsigned char light);
+
+    Block();
+
+    ~Block();
+
+    unsigned short id:13;
+    unsigned char state:4;
+    unsigned char light:4;
+};
\ No newline at end of file
diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
new file mode 100644
index 0000000..c084e3e
--- /dev/null
+++ b/code/CMakeLists.txt
@@ -0,0 +1,95 @@
+cmake_minimum_required(VERSION 3.0)
+project(AltCraft)
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules)
+
+if (CMAKE_COMPILER_IS_GNUCXX)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -w -Werror")
+    #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
+    #set(CMAKE_CXX_FLASG "${CMAKE_CXX_FLAGS} -g -O0")
+    #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
+    #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -pg")
+    set(PLATFORM_LIBRARIES "pthread")
+endif ()
+
+set(SOURCE_FILES main.cpp Field.hpp utility.cpp Packet.hpp FieldParser.hpp Network.hpp Network.cpp NetworkClient.cpp
+        NetworkClient.hpp json.hpp PacketBuilder.cpp PacketBuilder.hpp Packet.cpp FieldParser.cpp Field.cpp
+        PacketParser.cpp PacketParser.hpp PositionF.cpp PositionF.hpp PositionI.cpp PositionI.hpp Game.cpp
+        Game.hpp World.cpp World.hpp Block.cpp Block.hpp Section.cpp Section.hpp Nbt.hpp graphics/AssetManager.cpp
+        graphics/AssetManager.hpp graphics/Display.cpp graphics/Display.hpp graphics/Camera3D.hpp graphics/Camera3D.cpp
+        graphics/Shader.hpp graphics/Shader.cpp graphics/Texture.hpp graphics/Texture.cpp)
+
+add_executable(AltCraft ${SOURCE_FILES})
+target_link_libraries(AltCraft ${PLATFORM_LIBRARIES})
+
+add_subdirectory(depedencies)
+target_include_directories(AltCraft PUBLIC ./depedencies/include)
+target_link_libraries(AltCraft deps)
+
+#Setup SFML
+find_package(SFML 2 COMPONENTS system window graphics network REQUIRED)
+if (SFML_FOUND)
+    target_link_libraries(AltCraft ${SFML_LIBRARIES})
+    target_include_directories(AltCraft PUBLIC ${SFML_INCLUDE_DIR})
+else ()
+    message(FATAL_ERROR "SFML not found!")
+endif ()
+
+#Setup OpenGL
+find_package(OpenGL REQUIRED)
+if (OPENGL_FOUND)
+    target_link_libraries(AltCraft ${OPENGL_LIBRARIES})
+    target_include_directories(AltCraft PUBLIC ${OPENGL_INCLUDE_DIRS})
+else ()
+    message(FATAL_ERROR "OpenGL not found!")
+endif ()
+
+#Setup Zlib
+find_package(ZLIB REQUIRED)
+if (ZLIB_FOUND)
+    target_link_libraries(AltCraft ${ZLIB_LIBRARIES})
+    target_include_directories(AltCraft PUBLIC ${ZLIB_INCLUDE_DIR})
+else ()
+    message(FATAL_ERROR "Zlib not found!")
+endif ()
+
+
+#[[
+#Setup SFML
+find_package(SFML 2 COMPONENTS system network graphics window REQUIRED)
+include_directories(${SFML_INCLUDE_DIR})
+if (NOT SFML_FOUND)
+    message(FATAL_ERROR "SFML not found!")
+endif ()
+
+#Setup Zlib
+find_package(ZLIB REQUIRED)
+include_directories(${ZLIB_INCLUDE_DIR})
+if (NOT ZLIB_FOUND)
+    message(FATAL_ERROR "Zlib not found!")
+endif ()
+
+#Setup GLEW
+find_package(GLEW REQUIRED)
+include_directories(${GLEW_INCLUDE_DIRS})
+if (NOT GLEW_FOUND)
+    message(FATAL_ERROR "GLEW not found!")
+endif ()
+
+#Setup OpenGL
+find_package(OpenGL REQUIRED)
+include_directories(${OPENGL_INCLUDE_DIRS})
+if (NOT OPENGL_FOUND)
+    message(FATAL_ERROR "OpenGL not found!")
+endif ()
+
+set(SOURCE_FILES main.cpp Field.hpp utility.cpp Packet.hpp FieldParser.hpp Network.hpp Network.cpp NetworkClient.cpp
+        NetworkClient.hpp json.hpp PacketBuilder.cpp PacketBuilder.hpp Packet.cpp FieldParser.cpp Field.cpp
+        PacketParser.cpp PacketParser.hpp PositionF.cpp PositionF.hpp PositionI.cpp PositionI.hpp Game.cpp
+        Game.hpp World.cpp World.hpp Block.cpp Block.hpp Section.cpp Section.hpp Nbt.hpp graphics/AssetManager.cpp
+        graphics/AssetManager.hpp)
+
+add_executable(AltCraft ${SOURCE_FILES})
+target_link_libraries(AltCraft ${PLATFORM_LIBRARIES} ${SFML_LIBRARIES} ${ZLIB_LIBRARIES} ${SOIL_LIBRARY}
+        ${GLFW_LIBRARIES} ${OPENGL_LIBRARIES} ${GLEW_LIBRARIES})
+]]
\ No newline at end of file
diff --git a/code/Field.cpp b/code/Field.cpp
new file mode 100644
index 0000000..c95c32d
--- /dev/null
+++ b/code/Field.cpp
@@ -0,0 +1,307 @@
+#include <cmath>
+#include "Field.hpp"
+
+Field::Field() {
+}
+
+Field::Field(const Field &other) : m_dataLength(other.m_dataLength), m_type(other.m_type) {
+
+    m_data = new byte[m_dataLength];
+    std::copy(other.m_data,other.m_data+m_dataLength,m_data);
+}
+
+void Field::swap(Field &other) {
+    std::swap(other.m_dataLength, m_dataLength);
+    std::swap(other.m_data, m_data);
+    std::swap(other.m_type, m_type);
+}
+
+Field &Field::operator=(Field other) {
+    other.swap(*this);
+    return *this;
+}
+
+Field::~Field() {
+    Clear();
+}
+
+size_t Field::GetLength() {
+    if (m_data != nullptr && m_dataLength == 0)
+        throw 102;
+    return m_dataLength;
+}
+
+void Field::Clear() {
+    m_dataLength = 0;
+    delete[] m_data;
+    m_data = nullptr;
+}
+
+void Field::CopyToBuff(byte *ptr) {
+    if (m_dataLength > 0)
+        std::copy(m_data,m_data+m_dataLength,ptr);
+}
+
+void Field::SetRaw(byte *ptr, size_t len, FieldType type) {
+    Clear();
+    m_dataLength = len;
+    m_type = type;
+    m_data = new byte[m_dataLength];
+    std::copy(ptr,ptr+m_dataLength,m_data);
+}
+
+int Field::GetVarInt() {
+
+    size_t readed;
+    return VarIntRead(m_data, readed);
+
+}
+
+void Field::SetVarInt(int value) {
+    Clear();
+    m_type = VarInt;
+    m_data = new byte[5];
+    m_dataLength = VarIntWrite(value, m_data);
+}
+
+int Field::GetInt() {
+    int value = *(reinterpret_cast<int *>(m_data));
+    endswap(&value);
+    return value;
+}
+
+void Field::SetInt(int value) {
+    Clear();
+    m_type = Int;
+    m_data = new byte[4];
+    m_dataLength = 4;
+    int *p = reinterpret_cast<int *>(m_data);
+    *p = value;
+    endswap(p);
+}
+
+bool Field::GetBool() {
+    return *m_data != 0x00;
+}
+
+void Field::SetBool(bool value) {
+    Clear();
+    m_type = Boolean;
+    m_data = new byte[1];
+    m_dataLength = 1;
+    *m_data = value ? 0x01 : 0x00;
+}
+
+unsigned short Field::GetUShort() {
+    unsigned short *p = reinterpret_cast<unsigned short *>(m_data);
+    unsigned short t = *p;
+    endswap(&t);
+    return t;
+}
+
+void Field::SetUShort(unsigned short value) {
+    Clear();
+    m_type = UnsignedShort;
+    m_dataLength = 2;
+    m_data = new byte[2];
+    unsigned short *p = reinterpret_cast<unsigned short *>(m_data);
+    *p = value;
+    endswap(p);
+}
+
+std::string Field::GetString() {
+    Field fLen;
+    byte *ptr = m_data;
+    size_t l;
+    int val = VarIntRead(ptr, l);
+    ptr += l;
+    std::string s((char *) ptr, val);
+    return s;
+}
+
+void Field::SetString(std::string value) {
+    Clear();
+    m_type = String;
+    Field fLen;
+    fLen.SetVarInt(value.size());
+    m_dataLength = value.size() + fLen.GetLength();
+    m_data = new byte[m_dataLength];
+    byte *p = m_data;
+    fLen.CopyToBuff(p);
+    p += fLen.GetLength();
+    std::copy(value.begin(),value.end(),p);
+}
+
+long long Field::GetLong() {
+    long long t = *reinterpret_cast<long long *>(m_data);
+    endswap(&t);
+    return t;
+}
+
+void Field::SetLong(long long value) {
+    Clear();
+    m_type = Long;
+    m_dataLength = 8;
+    m_data = new byte[m_dataLength];
+    long long *p = reinterpret_cast<long long *>(m_data);
+    *p = value;
+    endswap(p);
+}
+
+FieldType Field::GetType() {
+    return m_type;
+}
+
+byte Field::GetUByte() {
+    byte t = *reinterpret_cast<byte *>(m_data);
+    endswap(&t);
+    return t;
+}
+
+void Field::SetUByte(byte value) {
+    Clear();
+    m_type = UnsignedByte;
+    endswap(&value);
+    m_dataLength = 1;
+    m_data = new byte[m_dataLength];
+    byte *p = reinterpret_cast<byte *>(m_data);
+    *p = value;
+}
+
+sbyte Field::GetByte() {
+    sbyte t = *reinterpret_cast<sbyte *>(m_data);
+    endswap(&t);
+    return t;
+}
+
+void Field::SetByte(sbyte value) {
+    Clear();
+    m_type = Byte8_t;
+    endswap(&value);
+    m_dataLength = 1;
+    m_data = new byte[m_dataLength];
+    sbyte *p = reinterpret_cast<sbyte *>(m_data);
+    *p = value;
+}
+
+float Field::GetFloat() {
+    float t = *reinterpret_cast<float *>(m_data);
+    endswap(&t);
+    return t;
+}
+
+void Field::SetFloat(float value) {
+    Clear();
+    m_type = Float;
+    endswap(&value);
+    m_dataLength = 4;
+    m_data = new byte[m_dataLength];
+    float *p = reinterpret_cast<float *>(m_data);
+    *p = value;
+}
+
+PositionI Field::GetPosition() {
+    unsigned long long t = *reinterpret_cast<unsigned long long *>(m_data);
+    endswap(&t);
+    int x = t >> 38;
+    int y = (t >> 26) & 0xFFF;
+    int z = t << 38 >> 38;
+    if (x >= pow(2, 25)) {
+        x -= pow(2, 26);
+    }
+    if (y >= pow(2, 11)) {
+        y -= pow(2, 12);
+    }
+    if (z >= pow(2, 25)) {
+        z -= pow(2, 26);
+    }
+    PositionI val;
+    val.SetX(x);
+    val.setZ(z);
+    val.SetY(y);
+    return val;
+}
+
+void Field::SetPosition(PositionI value) {
+    Clear();
+    m_type = Position;
+    m_dataLength = 8;
+    m_data = new byte[m_dataLength];
+    unsigned long long *t = reinterpret_cast<unsigned long long *>(m_data);
+    unsigned long long x = ((unsigned long long) value.GetX()) << 38;
+    unsigned long long y = ((unsigned long long) value.GetY()) << 26;
+    unsigned long long z = value.GetZ();
+    endswap(&x);
+    endswap(&z);
+    endswap(&y);
+    *t = x | y | z;
+}
+
+double Field::GetDouble() {
+    double t = *reinterpret_cast<double *>(m_data);
+    endswap(&t);
+    return t;
+}
+
+void Field::SetDouble(double value) {
+    Clear();
+    m_type = Double;
+    endswap(&value);
+    m_dataLength = 8;
+    m_data = new byte[m_dataLength];
+    double *p = reinterpret_cast<double *>(m_data);
+    *p = value;
+}
+
+size_t Field::GetFieldLength(FieldType type) {
+    switch (type) {
+        case Unknown:
+            return 0;
+        case Boolean:
+            return 1;
+        case Byte8_t:
+            return 1;
+        case UnsignedByte:
+            return 1;
+        case Short:
+            return 2;
+        case UnsignedShort:
+            return 2;
+        case Int:
+            return 4;
+        case Long:
+            return 8;
+        case Float:
+            return 4;
+        case Double:
+            return 8;
+        case Position:
+            return 8;
+        case Angle:
+            return 4;
+        case Uuid:
+            return 16;
+        default:
+            return 0;
+    }
+}
+
+std::vector<Field> Field::GetArray() {
+    /*std::vector<Field> vec;
+    if (m_type<20){
+        size_t fieldLen=GetFieldLength(m_type);
+        byte* ptr = m_data;
+        for (int i=0;i<m_dataLength/fieldLen;i++){
+            Field f;
+            f.SetRaw(ptr,fieldLen,m_type);
+            vec.push_back(f);
+            ptr+=fieldLen;
+        }
+        return vec;
+    }*/
+    return m_childs;
+}
+
+void Field::Attach(Field field) {
+    m_childs.push_back(field);
+}
diff --git a/code/Field.hpp b/code/Field.hpp
new file mode 100644
index 0000000..43769dc
--- /dev/null
+++ b/code/Field.hpp
@@ -0,0 +1,119 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <string>
+#include <vector>
+#include "utility.h"
+#include "PositionI.hpp"
+
+typedef unsigned char byte;
+typedef signed char sbyte;
+
+enum FieldType {
+    Unknown = 0,
+    Boolean,        //Bool
+    Byte8_t,           //int8_t
+    UnsignedByte,   //uint8_t
+    Short,          //int16_t
+    UnsignedShort,  //uint16_t
+    Int,            //int32_t
+    Long,           //int64_t
+    Float,          //float
+    Double,         //double
+    Position,       //PositionI
+    Angle,          //uint8_t
+    Uuid,           //byte* (2 bytes)
+    //Unknown-length data
+
+    String = 100,   //std::string
+    Chat,           //std::string
+    VarInt,         //int32_t
+    VarLong,        //int64_t
+    ChunkSection,   //byte*
+    EntityMetadata, //byte*
+    Slot,           //byte*
+    NbtTag,         //byte*
+    ByteArray,      //byte*
+};
+
+class Field {
+public:
+    Field();
+
+    Field(const Field &other);
+
+    void swap(Field &other);
+
+    Field &operator=(Field other);
+
+    ~Field();
+
+    size_t GetLength();
+
+    void Clear();
+
+    void CopyToBuff(byte *ptr);
+
+    void SetRaw(byte *ptr, size_t len = 0, FieldType type = Unknown);
+
+    FieldType GetType();
+
+    void Attach(Field field);
+
+    static size_t GetFieldLength(FieldType type);
+
+    //Cpp-types setters/getters for binary content of MC's data types
+
+    int GetVarInt();
+
+    void SetVarInt(int value);
+
+    int GetInt();
+
+    void SetInt(int value);
+
+    bool GetBool();
+
+    void SetBool(bool value);
+
+    unsigned short GetUShort();
+
+    void SetUShort(unsigned short value);
+
+    std::string GetString();
+
+    void SetString(std::string value);
+
+    long long GetLong();
+
+    void SetLong(long long value);
+
+    byte GetUByte();
+
+    void SetUByte(byte value);
+
+    sbyte GetByte();
+
+    void SetByte(sbyte value);
+
+    float GetFloat();
+
+    void SetFloat(float value);
+
+    PositionI GetPosition();
+
+    void SetPosition(PositionI value);
+
+    double GetDouble();
+
+    void SetDouble(double value);
+
+    std::vector<Field> GetArray();
+
+private:
+    size_t m_dataLength = 0;
+    byte *m_data = nullptr;
+    FieldType m_type = Unknown;
+    std::vector<Field> m_childs;
+};
diff --git a/code/FieldParser.cpp b/code/FieldParser.cpp
new file mode 100644
index 0000000..500a973
--- /dev/null
+++ b/code/FieldParser.cpp
@@ -0,0 +1,106 @@
+#include "FieldParser.hpp"
+
+Field FieldParser::Parse(FieldType type, byte *data, size_t len) {
+    switch (type) {
+        case VarInt:
+            return ParseVarInt(data, len);
+        case Boolean:
+            return ParseBool(data, len);
+        case String:
+            return ParseString(data, len);
+        case Long:
+            return ParseLong(data, len);
+        case Int:
+            return ParseInt(data, len);
+        case UnsignedByte:
+            return ParseUByte(data, len);
+        case Byte8_t:
+            return ParseByte(data, len);
+        case Float:
+            return ParseFloat(data, len);
+        case Position:
+            return ParsePosition(data, len);
+        case Double:
+            return ParseDouble(data, len);
+        case ByteArray:
+            return ParseByteArray(data, len);
+        default:
+            throw 105;
+    }
+}
+
+Field FieldParser::ParseString(byte *data, size_t len) {
+    Field fLen = ParseVarInt(data, 0);
+    Field f;
+    f.SetRaw(data, fLen.GetLength() + fLen.GetVarInt(), String);
+    return f;
+}
+
+Field FieldParser::ParseBool(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data,1,Boolean);
+    return f;
+}
+
+Field FieldParser::ParseVarInt(byte *data, size_t len) {
+    if (len != 0) {
+        Field f;
+        f.SetRaw(data, len, VarInt);
+        return f;
+    }
+    int val = VarIntRead(data, len);
+    Field f;
+    f.SetVarInt(val);
+    return f;
+}
+
+Field FieldParser::ParseLong(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data, 8, Long);
+    return f;
+}
+
+Field FieldParser::ParseInt(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data, 4, Int);
+    return f;
+}
+
+Field FieldParser::ParseUByte(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data, 1, UnsignedByte);
+    return f;
+}
+
+Field FieldParser::ParseByte(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data, 1, Byte8_t);
+    return f;
+}
+
+Field FieldParser::ParseFloat(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data, 4, Float);
+    return f;
+}
+
+Field FieldParser::ParsePosition(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data, 8, Position);
+    return f;
+}
+
+Field FieldParser::ParseDouble(byte *data, size_t len) {
+    Field f;
+    f.SetRaw(data, 8, Double);
+    return f;
+}
+
+Field FieldParser::ParseByteArray(byte *data, size_t len) {
+    if (len == 0)
+        throw 119;
+    Field f;
+    f.SetRaw(data, len, Byte8_t);
+    //f.SetRaw(data, len, ByteArray);
+    return f;
+}
diff --git a/code/FieldParser.hpp b/code/FieldParser.hpp
new file mode 100644
index 0000000..274ab9e
--- /dev/null
+++ b/code/FieldParser.hpp
@@ -0,0 +1,30 @@
+#pragma once
+
+#include "Field.hpp"
+
+class FieldParser {
+public:
+    static Field ParseVarInt(byte *data, size_t len);
+
+    static Field ParseBool(byte *data, size_t len);
+
+    static Field ParseString(byte *data, size_t len);
+
+    static Field Parse(FieldType type, byte* data, size_t len=0);
+
+    static Field ParseLong(byte *data, size_t len);
+
+    static Field ParseInt(byte *data, size_t len);
+
+    static Field ParseUByte(byte *data, size_t len);
+
+    static Field ParseByte(byte *data, size_t len);
+
+    static Field ParseFloat(byte *data, size_t len);
+
+    static Field ParsePosition(byte *data, size_t len);
+
+    static Field ParseDouble(byte *data, size_t len);
+
+    static Field ParseByteArray(byte *data, size_t len);
+};
\ No newline at end of file
diff --git a/code/Game.cpp b/code/Game.cpp
new file mode 100644
index 0000000..db38977
--- /dev/null
+++ b/code/Game.cpp
@@ -0,0 +1,159 @@
+#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();
+}
diff --git a/code/Game.hpp b/code/Game.hpp
new file mode 100644
index 0000000..b9096a5
--- /dev/null
+++ b/code/Game.hpp
@@ -0,0 +1,58 @@
+#pragma once
+
+#include "PositionI.hpp"
+#include "NetworkClient.hpp"
+#include "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;
+    PositionI 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/code/Nbt.hpp b/code/Nbt.hpp
new file mode 100644
index 0000000..3e43db7
--- /dev/null
+++ b/code/Nbt.hpp
@@ -0,0 +1,516 @@
+#pragma once
+
+#include <cstddef>
+#include <vector>
+#include <iostream>
+#include <zlib.h>
+#include <fstream>
+#include "utility.h"
+
+namespace nbt {
+    enum TagType {
+        End,        //nullptr
+        Byte,       //int8_t
+        Short,      //int16_t
+        Int,        //int32_t
+        Long,       //int64_t
+        Float,      //float
+        Double,     //double
+        ByteArray,  //std::vector<signed char>
+        String,     //std::string
+        List,       //std::vector<NbtTag>
+        Compound,   //std::vector<NbtTag>
+        IntArray,   //std::vector<int32_t>
+        Unknown,    //dummy value
+    };
+
+    class NbtTag;
+
+    typedef std::vector<NbtTag> compound_t;
+
+    typedef std::string string_t;
+
+    typedef std::vector<signed char> byteArray_t;
+
+    typedef std::vector<int> intArray_t;
+
+    class NbtTag {
+        TagType type = Unknown;
+        string_t name = "";
+        unsigned char *data = nullptr;
+    public:
+        NbtTag(TagType type, string_t name) : type(type), name(name) {
+            switch (type) {
+                case End:
+                    data = nullptr;
+                    break;
+                case Compound:
+                    data = (unsigned char *) new compound_t;
+                    break;
+                case String:
+                    data = (unsigned char *) new string_t;
+                    break;
+                case Int:
+                    data = (unsigned char *) new int32_t;
+                    break;
+                case Long:
+                    data = (unsigned char *) new int64_t;
+                    break;
+                case Byte:
+                    data = (unsigned char *) new int8_t;
+                    break;
+                case Short:
+                    data = (unsigned char *) new int16_t;
+                    break;
+                case Float:
+                    data = (unsigned char *) new float;
+                    break;
+                case Double:
+                    data = (unsigned char *) new double;
+                    break;
+                case ByteArray:
+                    data = (unsigned char *) new byteArray_t;
+                    break;
+                case List:
+                    data = (unsigned char *) new compound_t;
+                    break;
+                case IntArray:
+                    data = (unsigned char *) new intArray_t;
+            }
+        }
+
+        NbtTag(const NbtTag &other) : type(other.type), name(other.name) {
+            switch (type) {
+                case Byte:
+                    data = (unsigned char *) new int8_t;
+                    *((int8_t *) data) = *((int8_t *) other.data);
+                    break;
+                case Short:
+                    data = (unsigned char *) new int16_t;
+                    *((int16_t *) data) = *((int16_t *) other.data);
+                    break;
+                case Int:
+                    data = (unsigned char *) new int32_t;
+                    *((int32_t *) data) = *((int32_t *) other.data);
+                    break;
+                case Long:
+                    data = (unsigned char *) new int64_t;
+                    *((int64_t *) data) = *((int64_t *) other.data);
+                    break;
+                case Float:
+                    data = (unsigned char *) new float;
+                    *((float *) data) = *((float *) other.data);
+                    break;
+                case Double:
+                    data = (unsigned char *) new double;
+                    *((double *) data) = *((double *) other.data);
+                    break;
+                case ByteArray:
+                    data = (unsigned char *) new byteArray_t;
+                    *((std::vector<signed char> *) data) = *((std::vector<signed char> *) other.data);
+                    break;
+                case String:
+                    data = (unsigned char *) new string_t;
+                    *((std::string *) data) = *((std::string *) other.data);
+                    break;
+                case List:
+                    data = (unsigned char *) new compound_t;
+                    *((std::vector<NbtTag> *) data) = *((std::vector<NbtTag> *) other.data);
+                    break;
+                case Compound:
+                    data = (unsigned char *) new compound_t;
+                    *((std::vector<NbtTag> *) data) = *((std::vector<NbtTag> *) other.data);
+                    break;
+                case IntArray:
+                    data = (unsigned char *) new intArray_t;
+                    *((std::vector<int> *) data) = *((std::vector<int> *) other.data);
+                    break;
+            }
+        }
+
+        ~NbtTag() {
+            switch (type) {
+                case Byte:
+                    delete ((int8_t *) data);
+                    break;
+                case Short:
+                    delete ((int16_t *) data);
+                    break;
+                case Int:
+                    delete ((int32_t *) data);
+                    break;
+                case Long:
+                    delete ((int64_t *) data);
+                    break;
+                case Float:
+                    delete ((float *) data);
+                    break;
+                case Double:
+                    delete ((double *) data);
+                    break;
+                case ByteArray:
+                    delete ((std::vector<signed char> *) data);
+                    break;
+                case String:
+                    delete ((std::string *) data);
+                    break;
+                case List:
+                    delete ((std::vector<NbtTag> *) data);
+                    break;
+                case Compound:
+                    delete ((std::vector<NbtTag> *) data);
+                    break;
+                case IntArray:
+                    delete ((std::vector<int> *) data);
+                    break;
+            }
+        };
+
+        void swap(NbtTag &other) {
+            std::swap(other.data, data);
+            std::swap(other.name, name);
+            std::swap(other.type, type);
+        }
+
+        NbtTag &operator=(NbtTag other) {
+            other.swap(*this);
+            return *this;
+        }
+
+        TagType GetType() const{
+            return type;
+        }
+
+        string_t GetName() const{
+            return name;
+        }
+
+
+        string_t &GetString() {
+            string_t &val = *reinterpret_cast<std::string *>(data);
+            return val;
+        }
+
+        compound_t &GetCompound() {
+            std::vector<NbtTag> &val = *reinterpret_cast<std::vector<NbtTag> *>(data);
+            return val;
+        }
+
+        compound_t &GetList() {
+            std::vector<NbtTag> &val = *reinterpret_cast<std::vector<NbtTag> *>(data);
+            return val;
+        }
+
+        int64_t &GetLong() {
+            int64_t &val = *reinterpret_cast<int64_t *>(data);
+            return val;
+        }
+
+        float &GetFloat() {
+            float &val = *reinterpret_cast<float *>(data);
+            return val;
+        }
+
+        double &GetDouble() {
+            double &val = *reinterpret_cast<double *>(data);
+            return val;
+        }
+
+        byteArray_t &GetByteArray() {
+            auto &val = *reinterpret_cast<byteArray_t *>(data);
+            return val;
+        }
+
+        intArray_t &GetIntArray() {
+            auto &val = *reinterpret_cast<intArray_t *>(data);
+            return val;
+        }
+
+        int16_t &GetShort() {
+            auto &val = *reinterpret_cast<int16_t *>(data);
+            return val;
+        }
+
+        int32_t &GetInt() {
+            auto &val = *reinterpret_cast<int32_t *>(data);
+            return val;
+        }
+
+        int8_t &GetByte() {
+            auto &val = *reinterpret_cast<int8_t *>(data);
+            return val;
+        }
+    };
+
+    NbtTag ParseTag(unsigned char *data, size_t &size, TagType listItemType = Unknown) {
+        size = 0;
+        TagType type;
+        if (listItemType == Unknown) {
+            type = (TagType) *data;
+            data += 1;
+            size += 1;
+        } else
+            type = listItemType;
+        string_t name;
+        if (listItemType == Unknown && type != End) {
+            short nameLen = *((short *) data);
+            data += 2;
+            size += 2;
+            endswap(&nameLen);
+            name = std::string((char *) data, nameLen);
+            data += nameLen;
+            size += nameLen;
+        }
+        NbtTag tag(type, name);
+        switch (type) {
+            case Compound: {
+                do {
+                    size_t s;
+                    tag.GetCompound().push_back(ParseTag(data, s));
+                    data += s;
+                    size += s;
+                } while (tag.GetCompound().back().GetType() != End);
+                tag.GetCompound().pop_back();
+                return tag;
+            }
+            case String: {
+                short len = *((short *) data);
+                data += 2;
+                size += 2;
+                endswap(&len);
+                string_t str((char *) data, len);
+                data += len;
+                size += len;
+                tag.GetString() = str;
+                return tag;
+            }
+            case End:
+                return tag;
+            case Long:
+                tag.GetLong() = *((int64_t *) data);
+                endswap(&tag.GetLong());
+                data += 8;
+                size += 8;
+                return tag;
+            case Short:
+                tag.GetShort() = *((int16_t *) data);
+                endswap(&tag.GetShort());
+                data += 2;
+                size += 2;
+                return tag;
+            case Float:
+                tag.GetFloat() = *((float *) data);
+                endswap(&tag.GetFloat());
+                data += 4;
+                size += 4;
+                return tag;
+            case Double:
+                tag.GetDouble() = *((double *) data);
+                endswap(&tag.GetDouble());
+                data += 8;
+                size += 8;
+                return tag;
+            case Byte:
+                tag.GetByte() = *((int8_t *) data);
+                endswap(&tag.GetByte());
+                data += 1;
+                size += 1;
+                return tag;
+            case Int:
+                tag.GetInt() = *((int32_t *) data);
+                endswap(&tag.GetInt());
+                data += 4;
+                size += 4;
+                return tag;
+            case List: {
+                TagType listType = *((TagType *) data);
+                data += 1;
+                size += 1;
+                int32_t listLength = *((int32_t *) data);
+                endswap(&listLength);
+                data += 4;
+                size += 4;
+                for (int i = 0; i < listLength; i++) {
+                    size_t s = 0;
+                    std::vector<NbtTag> &vec = tag.GetCompound();
+                    vec.push_back(ParseTag(data, s, listType));
+                    data += s;
+                    size += s;
+                }
+                return tag;
+            }
+            case ByteArray: {
+                int32_t arrLength = *((int32_t *) data);
+                endswap(&arrLength);
+                data += 4;
+                size += 4;
+                for (int i = 0; i < arrLength; i++) {
+                    signed char val = (signed char) data[i];
+                    std::vector<signed char> &vec = tag.GetByteArray();
+                    vec.push_back(val);
+                }
+                data += arrLength;
+                size += arrLength;
+                return tag;
+            }
+            default:
+                throw 13;
+        }
+    }
+
+    NbtTag ParseTag(unsigned char *data, size_t *optionalSize = nullptr) {
+        size_t s = 0;
+        size_t &size = (optionalSize ? *optionalSize : s);
+        return ParseTag(data, size);
+    }
+
+    std::vector<unsigned char> Decompress(unsigned char *data, size_t dataLen) {
+        const size_t decompBuffSize = 1024 * 16;
+        unsigned char *decompBuff = new unsigned char[decompBuffSize];
+        std::vector<unsigned char> uncompressed;
+        for (int i = 0; i < decompBuffSize; i++)
+            decompBuff[i] = 0;
+
+
+        z_stream stream;
+        stream.zalloc = Z_NULL;
+        stream.zfree = Z_NULL;
+        stream.opaque = Z_NULL;
+        stream.next_in = data;
+        stream.avail_in = dataLen;
+        stream.next_out = decompBuff;
+        stream.avail_out = decompBuffSize;
+
+        if (inflateInit2(&stream, 15 + 32) != Z_OK) {
+            delete[] decompBuff;
+            throw 171;
+        }
+
+        int res;
+        do {
+            stream.avail_out = decompBuffSize;
+
+            switch ((res = inflate(&stream, Z_NO_FLUSH))) {
+                case Z_MEM_ERROR:
+                    throw 172;
+                case Z_DATA_ERROR:
+                    throw 173;
+                case Z_NEED_DICT:
+                    throw 174;
+            }
+
+            uncompressed.resize(uncompressed.size() + decompBuffSize);
+            std::copy(decompBuff, decompBuff + decompBuffSize, uncompressed.end() - decompBuffSize);
+        } while (stream.avail_out == 0);
+        if (res != Z_STREAM_END)
+            throw 175;
+        if (inflateEnd(&stream) != Z_OK)
+            throw 176;
+        delete[] decompBuff;
+        return uncompressed;
+    }
+
+    NbtTag ParseCompressed(unsigned char *data, size_t dataLen) {
+        auto uncompressed = Decompress(data, dataLen);
+        NbtTag root = ParseTag(uncompressed.data());
+        return root;
+    }
+
+    NbtTag Parse(unsigned char *data, size_t dataLen) {
+        bool isCompressed = *data!=10;
+        if (isCompressed)
+            return ParseCompressed(data,dataLen);
+        else
+            return ParseTag(data);
+    }
+
+    void PrintTree(NbtTag &tree, int deepness = 0, std::ostream &ostream = std::cout) {
+        ostream << std::string(deepness, '\t') << "Tag ";
+        switch (tree.GetType()) {
+            case Byte:
+                ostream << "byte";
+                break;
+            case Short:
+                ostream << "short";
+                break;
+            case Int:
+                ostream << "int";
+                break;
+            case Long:
+                ostream << "long";
+                break;
+            case Float:
+                ostream << "float";
+                break;
+            case Double:
+                ostream << "double";
+                break;
+            case ByteArray:
+                ostream << "byte array";
+                break;
+            case String:
+                ostream << "string";
+                break;
+            case List:
+                ostream << "list";
+                break;
+            case Compound:
+                ostream << "compound";
+                break;
+            case IntArray:
+                ostream << "int array";
+                break;
+            case End:
+                ostream << "end";
+                break;
+        }
+        if (tree.GetName().length() > 0)
+            ostream << " (" << tree.GetName() << ")";
+        ostream << ": ";
+
+        if (tree.GetType() == Compound || tree.GetType() == List) {
+            std::vector<NbtTag> &vec = (tree.GetType() == Compound ? tree.GetCompound() : tree.GetList());
+            ostream << vec.size() << " entries {" << std::endl;
+            for (auto it = vec.begin(); it != vec.end(); ++it) {
+                PrintTree(*it, deepness + 1, std::cout);
+            }
+            ostream << std::string(deepness, '\t') << "}" << std::endl;
+            return;
+        } else {
+            switch (tree.GetType()) {
+                case Int:
+                    ostream << tree.GetInt();
+                    break;
+                case String:
+                    ostream << "\"" << tree.GetString() << "\"";
+                    break;
+                case Double:
+                    ostream << tree.GetDouble();
+                    break;
+                case Float:
+                    ostream << tree.GetFloat();
+                    break;
+                case Short:
+                    ostream << tree.GetShort();
+                    break;
+                case Byte:
+                    ostream << (int) tree.GetByte();
+                    break;
+                case Long:
+                    ostream << tree.GetLong();
+                    break;
+                case ByteArray:
+                    ostream << "[" << tree.GetByteArray().size() << " bytes]: ";
+                    for (int i = 0; i < (tree.GetByteArray().size() > 10 ? 10 : tree.GetByteArray().size()); i++) {
+                        ostream << std::hex << "0x" << (tree.GetByteArray()[i] > 15 ? "" : "0")
+                                << (int) tree.GetByteArray()[i]
+                                << std::dec << " ";
+                    }
+                    break;
+                case IntArray:
+                    break;
+            }
+            ostream << std::endl;
+        }
+    }
+}
\ No newline at end of file
diff --git a/code/Network.cpp b/code/Network.cpp
new file mode 100644
index 0000000..d979037
--- /dev/null
+++ b/code/Network.cpp
@@ -0,0 +1,108 @@
+#include <iostream>
+#include "Network.hpp"
+#include "PacketBuilder.hpp"
+
+Network::Network(std::string address, unsigned short port) : m_address(address), m_port(port) {
+    std::cout << "Connecting to server " << m_address << ":" << m_port << std::endl;
+    sf::Socket::Status status = m_socket.connect(sf::IpAddress(m_address), m_port);
+    m_socket.setBlocking(true);
+    if (status != sf::Socket::Done) {
+        if (status == sf::Socket::Error) {
+            std::cerr << "Can't connect to remote server" << std::endl;
+            throw 14;
+        } else {
+            std::cerr << "Connection failed with unknown reason" << std::endl;
+            throw 13;
+        }
+    }
+    std::cout << "Connected." << std::endl;
+}
+
+Network::~Network() {
+    std::cout << "Disconnecting..." << std::endl;
+    m_socket.disconnect();
+}
+
+void Network::SendHandshake(std::string username) {
+    //Handshake packet
+    Packet handshakePacket = PacketBuilder::CHandshaking0x00(316, m_address, m_port, 2);
+    SendPacket(handshakePacket);
+
+    //LoginStart packet
+    Field fName;
+    fName.SetString(username);
+    Packet loginPacket(0);
+    loginPacket.AddField(fName);
+    SendPacket(loginPacket);
+}
+
+void Network::SendPacket(Packet &packet) {
+    m_socket.setBlocking(true);
+    byte *packetData = new byte[packet.GetLength()];
+    packet.CopyToBuff(packetData);
+    m_socket.send(packetData, packet.GetLength());
+    delete[] packetData;
+}
+
+Packet Network::ReceivePacket() {
+    byte bufLen[5] = {0};
+    size_t rec = 0;
+    for (int i = 0; i < 5; i++) {
+        byte buff = 0;
+        size_t r = 0;
+        m_socket.receive(&buff, 1, r);
+        rec += r;
+        bufLen[i] = buff;
+        if ((buff & 0b10000000) == 0) {
+            break;
+        }
+    }
+    Field fLen = FieldParser::Parse(VarInt, bufLen);
+    size_t packetLen = fLen.GetVarInt() + fLen.GetLength();
+    if (packetLen > 1024 * 1024 * 30)
+        std::cout << "OMG! SIZEOF PACKET IS " << packetLen << std::endl;
+    if (packetLen < rec) {
+        return Packet(bufLen);
+    }
+    byte *bufPack = new byte[packetLen];
+    std::copy(bufLen, bufLen + rec, bufPack);
+    size_t dataLen = rec;
+    while (m_socket.receive(bufPack + dataLen, packetLen - dataLen, rec) == sf::Socket::Done && dataLen < packetLen) {
+        dataLen += rec;
+    }
+    if (dataLen < packetLen)
+        throw 93;
+    else {
+        Packet p(bufPack);
+        delete[] bufPack;
+        return p;
+    }
+
+    /*if (m_socket.receive(bufPack + rec, packetLen - rec, rec) != sf::Socket::Done) {
+        delete[] bufPack;
+        throw 93;
+    }
+    rec++;
+    //Check for losted data
+    int losted = 0;
+    for (int i = packetLen - 2; i > 0; i--)
+        if (bufPack[i] == 'N')
+            losted++;
+    if (losted > 100) {
+        if (m_socket.receive(bufPack + rec, packetLen - rec, rec) != sf::Socket::Done) {
+            throw 93;
+        }
+        std::cout << "Keep receiving!" << std::endl;
+    }
+    //One more time
+    losted = 0;
+    for (int i = packetLen - 2; i > 0; i--)
+        if (bufPack[i] == 'N')
+            losted++;
+    if (losted > 100) {
+        std::cout << "\x1b[31m" << "Losted " << losted << " bytes of " << packetLen << "\x1b[0m" << std::endl;
+        delete[] bufPack;
+        throw 93;
+    }*/
+    throw 94;
+}
diff --git a/code/Network.hpp b/code/Network.hpp
new file mode 100644
index 0000000..74df92c
--- /dev/null
+++ b/code/Network.hpp
@@ -0,0 +1,26 @@
+#pragma once
+
+#include <string>
+#include <SFML/Network.hpp>
+#include "Packet.hpp"
+
+
+class Network {
+public:
+    Network(std::string address, unsigned short port);
+
+    ~Network();
+
+    void SendHandshake(std::string username);
+
+    void SendPacket(Packet &packet);
+
+    Packet ReceivePacket();
+
+private:
+    std::string m_address;
+    unsigned short m_port;
+    sf::TcpSocket m_socket;
+    bool m_isCommpress=false;
+};
+
diff --git a/code/NetworkClient.cpp b/code/NetworkClient.cpp
new file mode 100644
index 0000000..d6835e0
--- /dev/null
+++ b/code/NetworkClient.cpp
@@ -0,0 +1,107 @@
+#include "NetworkClient.hpp"
+#include "PacketParser.hpp"
+#include "PacketBuilder.hpp"
+#include "json.hpp"
+
+ServerInfo NetworkClient::ServerPing(std::string address, unsigned short port) {
+    ServerInfo info;
+    Network network(address, port);
+    Packet packet_handshake = PacketBuilder::CHandshaking0x00(316, address, port, 1);
+    network.SendPacket(packet_handshake);
+    Packet packet_request(0);
+    network.SendPacket(packet_request);
+    Packet packet_response = network.ReceivePacket();
+    PacketParser::Parse(packet_response, Login);
+    //std::string json = static_cast<FieldString *>(packet_response_parsed.GetFieldById(0))->GetValue();
+    std::string json = packet_response.GetField(0).GetString();
+    try {
+        nlohmann::json j = nlohmann::json::parse(json);
+        info.protocol = j["version"]["protocol"].get<int>();
+        info.version = j["version"]["name"].get<std::string>();
+        info.players_max = j["players"]["max"].get<int>();
+        info.players_online = j["players"]["online"].get<int>();
+        info.description = j["description"]["text"].get<std::string>();
+        for (auto t:j["description"]["extra"]) {
+            info.description += t["text"].get<std::string>();
+        }
+        if (!j["favicon"].is_null())
+            info.favicon = j["favicon"].get<std::string>();
+        info.json = json;
+        for (auto t:j["players"]["sample"]) {
+            std::pair<std::string, std::string> player;
+            player.first = t["id"].get<std::string>();
+            player.second = t["name"].get<std::string>();
+            info.players.push_back(player);
+        }
+    } catch (const nlohmann::detail::exception e) {
+        std::cerr << "Parsed json is not valid (" << e.id << "): " << e.what() << std::endl;
+    }
+    //Ping
+    Packet packet_ping(0x01);
+    Field payload;
+    payload.SetLong(771235);
+    packet_ping.AddField(payload);
+    std::chrono::high_resolution_clock clock;
+    auto t1 = clock.now();
+    network.SendPacket(packet_ping);
+    Packet pong = network.ReceivePacket();
+    auto t2 = clock.now();
+    pong.ParseField(Long);
+    if (pong.GetField(0).GetLong() == 771235) {
+        std::chrono::duration<double, std::milli> pingTime = t2 - t1;
+        info.ping = pingTime.count();
+    }
+    return info;
+}
+
+NetworkClient::NetworkClient(std::string address, unsigned short port, std::string username) : m_network(address,
+                                                                                                         port) {
+    m_network.SendHandshake(username);
+    Update();
+    m_networkThread = std::thread(&NetworkClient::MainLoop, this);
+}
+
+NetworkClient::~NetworkClient() {
+    isContinue=false;
+    m_networkThread.join();
+}
+
+Packet * NetworkClient::GetPacket() {
+    if (m_received.size() < 1)
+        return nullptr;
+    Packet packet = m_received.front();
+    m_received.pop();
+    return new Packet(packet);
+}
+
+void NetworkClient::AddPacketToQueue(Packet packet) {
+    m_toSend.push(packet);
+}
+
+void NetworkClient::Update() {
+    if (m_toSend.size() > 0) {
+        m_network.SendPacket(m_toSend.front());
+        m_toSend.pop();
+    }
+    Packet received = m_network.ReceivePacket();
+    if (received.GetId() == 0x1F) {
+        PacketParser::Parse(received);
+        Packet response = PacketBuilder::CPlay0x0B(received.GetField(0).GetVarInt());
+        m_network.SendPacket(response);
+        return;
+    }
+    m_updateMutex.lock();
+    m_received.push(received);
+    m_updateMutex.unlock();
+}
+
+void NetworkClient::MainLoop() {
+    try {
+        while (isContinue) {
+            Update();
+        }
+    } catch (int e){
+        std::cerr<<"NetworkClient exception: "<<e<<std::endl;
+    }
+
+}
diff --git a/code/NetworkClient.hpp b/code/NetworkClient.hpp
new file mode 100644
index 0000000..a41b5f4
--- /dev/null
+++ b/code/NetworkClient.hpp
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <queue>
+#include <thread>
+#include <mutex>
+#include "Network.hpp"
+
+struct ServerInfo{
+    std::string version;
+    int protocol = 0;
+    int players_max = 0;
+    int players_online = 0;
+    std::vector<std::pair<std::string, std::string>> players;
+    std::string description;
+    double ping = 0;
+    std::string favicon;
+    std::string json;
+};
+class NetworkClient {
+public:
+    NetworkClient(std::string address, unsigned short port, std::string username);
+    ~NetworkClient();
+
+    void Update();
+
+    void MainLoop();
+
+    Packet * GetPacket();
+    void AddPacketToQueue(Packet packet);
+
+    static ServerInfo ServerPing(std::string address,unsigned short port);
+private:
+    std::mutex m_updateMutex;
+    std::thread m_networkThread;
+    bool isContinue=true;
+    NetworkClient (const NetworkClient&);
+    NetworkClient&operator=(const NetworkClient&);
+    Network m_network;
+    std::queue <Packet> m_received;
+    std::queue <Packet> m_toSend;
+};
+
diff --git a/code/Packet.cpp b/code/Packet.cpp
new file mode 100644
index 0000000..695e371
--- /dev/null
+++ b/code/Packet.cpp
@@ -0,0 +1,100 @@
+#include "Packet.hpp"
+
+Packet::Packet(int id) {
+    Field fLen;
+    fLen.SetVarInt(0);
+    m_fields.push_back(fLen);
+    Field fId;
+    fId.SetVarInt(id);
+    m_fields.push_back(fId);
+}
+
+Packet Packet::operator=(Packet other) {
+    other.swap(*this);
+    return *this;
+}
+
+void Packet::swap(Packet &other) {
+    std::swap(m_fields, other.m_fields);
+    std::swap(m_data, other.m_data);
+    std::swap(m_parsePtr, other.m_parsePtr);
+    std::swap(m_dataLength, other.m_dataLength);
+}
+
+void Packet::CopyToBuff(byte *ptr) {
+    m_fields[0].SetVarInt(GetLength() - m_fields[0].GetLength());
+    for (int i = 0; i < m_fields.size(); i++) {
+        m_fields[i].CopyToBuff(ptr);
+        ptr += m_fields[i].GetLength();
+    }
+}
+
+void Packet::ParseField(FieldType type, size_t len) {
+    if (type == ByteArray && len == 0)
+        throw 118;
+    Field f = FieldParser::Parse(type, m_parsePtr, len);
+    m_fields.push_back(f);
+    m_parsePtr += f.GetLength();
+    if (m_parsePtr == m_data + m_dataLength) {
+        delete[] m_data;
+        m_data = nullptr;
+        m_dataLength = 0;
+        m_parsePtr = nullptr;
+    }
+}
+
+Packet::Packet(byte *data) {
+    Field fLen = FieldParser::Parse(VarInt, data);
+    data += fLen.GetLength();
+    Field fId = FieldParser::Parse(VarInt, data);
+    data += fId.GetLength();
+    m_dataLength = fLen.GetVarInt() - fId.GetLength();
+    m_data = new byte[m_dataLength];
+    std::copy(data,data+m_dataLength,m_data);
+    m_parsePtr = m_data;
+    m_fields.push_back(fLen);
+    m_fields.push_back(fId);
+}
+
+Field &Packet::GetField(int id) {
+    if (id < -2 || id >= m_fields.size() - 2)
+        throw 111;
+    return m_fields[id + 2];
+}
+
+size_t Packet::GetLength() {
+    size_t len = 0;
+    for (int i = 0; i < m_fields.size(); i++)
+        len += m_fields[i].GetLength();
+    return len + m_dataLength;
+}
+
+void Packet::AddField(Field field) {
+    m_fields.push_back(field);
+}
+
+int Packet::GetId() {
+    return m_fields[1].GetVarInt();
+}
+
+Packet::Packet(const Packet &other) {
+    if (other.m_dataLength > 0) {
+        m_dataLength = other.m_dataLength;
+        m_data = new byte[m_dataLength];
+        m_parsePtr = m_data + (other.m_data - other.m_parsePtr);
+        std::copy(other.m_data, other.m_data + m_dataLength, m_data);
+    }
+    m_fields = other.m_fields;
+}
+
+void Packet::ParseFieldArray(Field &field, FieldType type, size_t len) {
+    Field f = FieldParser::Parse(type, m_parsePtr, len);
+    field.Attach(f);
+    m_parsePtr += f.GetLength();
+    if (m_parsePtr == m_data + m_dataLength) {
+        delete[] m_data;
+        m_data = nullptr;
+        m_dataLength = 0;
+        m_parsePtr = nullptr;
+    }
+}
diff --git a/code/Packet.hpp b/code/Packet.hpp
new file mode 100644
index 0000000..67e95e5
--- /dev/null
+++ b/code/Packet.hpp
@@ -0,0 +1,130 @@
+#pragma once
+
+#include <vector>
+#include "Field.hpp"
+#include "FieldParser.hpp"
+
+enum ConnectionState {
+    Login,
+    Handshaking,
+    Play,
+    Status,
+};
+
+enum PacketsClientBound{
+    SpawnObject=0x00,
+    SpawnExperienceOrb,
+    SpawnGlobalEntity,
+    SpawnMob,
+    SpawnPainting,
+    SpawnPlayer,
+    Animation,
+    Statistics,
+    BlockBreakAnimation,
+    UpdateBlockEntity,
+    BlockAction,
+    BlockChange,
+    BossBar,
+    ServerDifficulty,
+    Tab,
+    ChatMessage,
+    MultiBlockChange,
+    ConfirmTransaction,
+    CloseWindow,
+    OpenWindow,
+    WindowItems,
+    WindowProperty,
+    SetSlot,
+    SetCooldown,
+    PluginMessage,
+    NamedSoundEffect,
+    Disconnect,
+    EntityStatus,
+    Explosion,
+    UnloadChunk,
+    ChangeGameState,
+    KeepAlive,
+    ChunkData,
+    Effect,
+    Particle,
+    JoinGame,
+    Map,
+    EntityRelativeMove,
+    EntityLookAndRelativeMove,
+    EntityLook,
+    Entity,
+    VehicleMove,
+    OpenSignEditor,
+    PlayerAbilities,
+    CombatEvent,
+    PlayerListItem,
+    PlayerPositionAndLook,
+    UseBed,
+    DestroyEntities,
+    RemoveEntityEffect,
+    ResourcePackSend,
+    Respawn,
+    EntityHeadLook,
+    WorldBorder,
+    Camera,
+    HeldItemChange,
+    DisplayScoreboard,
+    EntityMetadata_,
+    AttachEntity,
+    EntityVelocity,
+    EntityEquipment,
+    SetExperience,
+    UpdateHealth,
+    ScoreboardObjective,
+    SetPassengers,
+    Teams,
+    UpdateScore,
+    SpawnPosition,
+    TimeUpdate,
+    Title,
+    SoundEffect,
+    PlayerListHeaderAndFooter,
+    CollectItem,
+    EntityTeleport,
+    EntityProperties,
+    EntityEffect,
+};
+
+class Packet {
+public:
+    Packet(int id);
+
+    Packet(byte *data);
+
+    Packet(const Packet &other);
+
+    ~Packet() {
+        delete[] m_data;
+    }
+
+    int GetId();
+
+    void AddField(Field field);
+
+    void ParseField(FieldType type, size_t len = 0);
+
+    void ParseFieldArray(Field &field, FieldType type, size_t len);
+
+    Field & GetField(int id);
+
+    size_t GetLength();
+
+    void CopyToBuff(byte *ptr);
+
+    void swap(Packet &other);
+
+    Packet operator=(Packet other);
+
+private:
+    Packet();
+
+    std::vector<Field> m_fields;
+    byte *m_data = nullptr;
+    byte *m_parsePtr = nullptr;
+    size_t m_dataLength = 0;
+};
\ No newline at end of file
diff --git a/code/PacketBuilder.cpp b/code/PacketBuilder.cpp
new file mode 100644
index 0000000..4083ea3
--- /dev/null
+++ b/code/PacketBuilder.cpp
@@ -0,0 +1,65 @@
+#include "PacketBuilder.hpp"
+
+Packet PacketBuilder::CHandshaking0x00(int protocolVerison, std::string address, unsigned short port, int nextState) {
+    Packet handshakePacket(0);
+    Field fProtocol;
+    fProtocol.SetVarInt(protocolVerison);
+    Field fAddress;
+    fAddress.SetString(address);
+    Field fPort;
+    fPort.SetUShort(port);
+    Field fNextState;
+    fNextState.SetVarInt(nextState);
+    handshakePacket.AddField(fProtocol);
+    handshakePacket.AddField(fAddress);
+    handshakePacket.AddField(fPort);
+    handshakePacket.AddField(fNextState);
+    return handshakePacket;
+}
+
+Packet PacketBuilder::CPlay0x0B(int keepAliveId) {
+    Packet keepAlivePacket(0x0B);
+    Field fKeepAlive;
+    fKeepAlive.SetVarInt(keepAliveId);
+    keepAlivePacket.AddField(fKeepAlive);
+    return keepAlivePacket;
+}
+
+Packet PacketBuilder::CPlay0x03(int actionId) {
+    Packet clientStatusPacket(0x03);
+    Field fActionId;
+    fActionId.SetVarInt(actionId);
+    clientStatusPacket.AddField(fActionId);
+    return clientStatusPacket;
+}
+
+Packet PacketBuilder::CPlay0x00(int teleportId) {
+    Packet teleportConfirmPacket(0x00);
+    Field fTeleportId;
+    fTeleportId.SetVarInt(teleportId);
+    teleportConfirmPacket.AddField(fTeleportId);
+    return teleportConfirmPacket;
+}
+
+Packet PacketBuilder::CPlay0x0D(double x, double y, double z, float yaw, float pitch, bool onGround) {
+    Packet playerPositionAndLookPacket(0x0D);
+    Field fX;
+    Field fY;
+    Field fZ;
+    Field fYaw;
+    Field fPitch;
+    Field fOnGround;
+    fX.SetDouble(x);
+    fY.SetDouble(y);
+    fZ.SetDouble(z);
+    fYaw.SetFloat(yaw);
+    fPitch.SetFloat(pitch);
+    fOnGround.SetBool(onGround);
+    playerPositionAndLookPacket.AddField(fX);
+    playerPositionAndLookPacket.AddField(fY);
+    playerPositionAndLookPacket.AddField(fZ);
+    playerPositionAndLookPacket.AddField(fYaw);
+    playerPositionAndLookPacket.AddField(fPitch);
+    playerPositionAndLookPacket.AddField(fOnGround);
+    return playerPositionAndLookPacket;
+}
diff --git a/code/PacketBuilder.hpp b/code/PacketBuilder.hpp
new file mode 100644
index 0000000..2fcb737
--- /dev/null
+++ b/code/PacketBuilder.hpp
@@ -0,0 +1,17 @@
+#pragma once
+
+
+#include "Packet.hpp"
+
+class PacketBuilder {
+public:
+    static Packet CHandshaking0x00(int protocolVerison, std::string address, unsigned short port, int nextState);
+    static Packet CPlay0x0B(int keepAliveId);
+
+    static Packet CPlay0x03(int actionId);
+
+    static Packet CPlay0x00(int teleportId);
+
+    static Packet CPlay0x0D(double x, double y, double z, float yaw, float pitch, bool onGround);
+};
+
diff --git a/code/PacketParser.cpp b/code/PacketParser.cpp
new file mode 100644
index 0000000..488c812
--- /dev/null
+++ b/code/PacketParser.cpp
@@ -0,0 +1,147 @@
+#include "PacketParser.hpp"
+
+void PacketParser::Parse(Packet &packet, ConnectionState state, bool ClientBound) {
+    if (ClientBound) {
+        switch (state) {
+            case Login:
+                ParseLogin(packet);
+                break;
+            case Handshaking:
+                break;
+            case Play:
+                ParsePlay(packet);
+                break;
+            case Status:
+
+                break;
+        }
+    } else {
+        ParseServerBound(packet, state);
+    }
+}
+
+void PacketParser::ParseServerBound(Packet &packet, ConnectionState state) {
+    throw 107;
+}
+
+void PacketParser::ParseLogin(Packet &packet) {
+    switch (packet.GetId()) {
+        case 0x00:
+            ParseLogin0x00(packet);
+            break;
+        case 0x02:
+            ParseLogin0x02(packet);
+            break;
+        default:
+        {
+            int i = packet.GetId();
+            //throw 112;
+        }
+    }
+}
+
+void PacketParser::ParsePlay(Packet &packet) {
+    switch (packet.GetId()) {
+        case 0x23:
+            ParsePlay0x23(packet);
+            break;
+        case 0x1F:
+            ParsePlay0x1F(packet);
+            break;
+        case 0x0D:
+            ParsePlay0x0D(packet);
+            break;
+        case 0x2B:
+            ParsePlay0x2B(packet);
+            break;
+        case 0x43:
+            ParsePlay0x43(packet);
+            break;
+        case 0x2E:
+            ParsePlay0x2E(packet);
+            break;
+        case 0x1A:
+            ParsePlay0x1A(packet);
+            break;
+        case 0x20:
+            ParsePlay0x20(packet);
+            break;
+        case 0x07:
+            ParsePlay0x07(packet);
+        default:
+            //throw 113;
+            break;
+    }
+}
+
+void PacketParser::ParseLogin0x00(Packet &packet) {
+    packet.ParseField(String);
+}
+
+void PacketParser::ParseLogin0x02(Packet &packet) {
+    packet.ParseField(String);
+    packet.ParseField(String);
+}
+
+void PacketParser::ParsePlay0x23(Packet &packet) {
+    packet.ParseField(Int);
+    packet.ParseField(UnsignedByte);
+    packet.ParseField(Int);
+    packet.ParseField(UnsignedByte);
+    packet.ParseField(UnsignedByte);
+    packet.ParseField(String);
+    packet.ParseField(Boolean);
+}
+
+void PacketParser::ParsePlay0x1F(Packet &packet) {
+    packet.ParseField(VarInt);
+}
+
+void PacketParser::ParsePlay0x0D(Packet &packet) {
+    packet.ParseField(UnsignedByte);
+}
+
+void PacketParser::ParsePlay0x2B(Packet &packet) {
+    packet.ParseField(Byte8_t);
+    packet.ParseField(Float);
+    packet.ParseField(Float);
+}
+
+void PacketParser::ParsePlay0x43(Packet &packet) {
+    packet.ParseField(Position);
+}
+
+void PacketParser::ParsePlay0x2E(Packet &packet) {
+    packet.ParseField(Double);
+    packet.ParseField(Double);
+    packet.ParseField(Double);
+    packet.ParseField(Float);
+    packet.ParseField(Float);
+    packet.ParseField(Byte8_t);
+    packet.ParseField(VarInt);
+}
+
+void PacketParser::ParsePlay0x1A(Packet &packet) {
+    packet.ParseField(String);
+}
+
+void PacketParser::ParsePlay0x20(Packet &packet) {
+    packet.ParseField(Int);
+    packet.ParseField(Int);
+    packet.ParseField(Boolean);
+    packet.ParseField(VarInt);
+    packet.ParseField(VarInt);
+    packet.ParseField(ByteArray, packet.GetField(4).GetVarInt());
+    packet.ParseField(VarInt);
+    //packet.ParseField(NbtTag);
+    //packet.GetField(7).SetArray(packet.GetField(6).GetVarInt());
+}
+
+void PacketParser::ParsePlay0x07(Packet &packet) {
+    packet.ParseField(VarInt);
+    packet.AddField(Field());
+    for (int i=0;i<packet.GetField(0).GetVarInt();i++){
+        packet.ParseFieldArray(packet.GetField(1), String, 0);
+        packet.ParseFieldArray(packet.GetField(1), VarInt, 0);
+    }
+}
diff --git a/code/PacketParser.hpp b/code/PacketParser.hpp
new file mode 100644
index 0000000..8ca6195
--- /dev/null
+++ b/code/PacketParser.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+
+#include "Packet.hpp"
+
+class PacketParser {
+public:
+    static void Parse(Packet &packet, ConnectionState state = Play, bool ClientBound = true);
+
+    static void ParseServerBound(Packet &packet, ConnectionState state);
+
+    static void ParseLogin(Packet &packet);
+
+    static void ParsePlay(Packet &packet);
+
+    static void ParseLogin0x00(Packet &packet);
+
+    static void ParseLogin0x02(Packet &packet);
+
+    static void ParsePlay0x23(Packet &packet);
+
+    static void ParsePlay0x1F(Packet &packet);
+
+    static void ParsePlay0x0D(Packet &packet);
+
+    static void ParsePlay0x2B(Packet &packet);
+
+    static void ParsePlay0x43(Packet &packet);
+
+    static void ParsePlay0x2E(Packet &packet);
+
+    static void ParsePlay0x1A(Packet &packet);
+
+    static void ParsePlay0x20(Packet &packet);
+
+    static void ParsePlay0x07(Packet &packet);
+};
+
diff --git a/code/PositionF.cpp b/code/PositionF.cpp
new file mode 100644
index 0000000..8502b91
--- /dev/null
+++ b/code/PositionF.cpp
@@ -0,0 +1,50 @@
+#include "PositionF.hpp"
+
+PositionF::PositionF(double x, double z, double y) : m_x(x), m_y(y), m_z(z) {
+
+}
+
+PositionF::~PositionF() {
+
+}
+
+double PositionF::GetX() const {
+    return m_x;
+}
+
+double PositionF::GetY() const {
+    return m_y;
+}
+
+double PositionF::GetZ() const {
+    return m_z;
+}
+
+void PositionF::SetX(double x) {
+    m_x = x;
+}
+
+void PositionF::SetY(double y) {
+    m_y = y;
+}
+
+void PositionF::setZ(double z) {
+    m_z = z;
+}
+
+bool PositionF::operator==(const PositionF &other) const {
+    return other.m_x == m_x && other.m_z == m_z && other.m_y == other.m_y;
+}
+
+PositionF &PositionF::operator=(const PositionF &other) {
+    m_y = other.m_y;
+    m_z = other.m_z;
+    m_x = other.m_x;
+    return *this;
+}
+
+PositionF::PositionF(const PositionF &other) {
+    m_y = other.m_y;
+    m_z = other.m_z;
+    m_x = other.m_x;
+}
diff --git a/code/PositionF.hpp b/code/PositionF.hpp
new file mode 100644
index 0000000..b90a2a1
--- /dev/null
+++ b/code/PositionF.hpp
@@ -0,0 +1,29 @@
+#pragma once
+
+class PositionF {
+public:
+    PositionF(double x, double z, double y);
+
+    ~PositionF();
+
+    double GetX() const;
+
+    double GetY() const;
+
+    double GetZ() const;
+
+    void SetX(double x);
+
+    void SetY(double y);
+
+    void setZ(double z);
+
+    bool operator==(const PositionF &other) const;
+
+    PositionF &operator=(const PositionF &other);
+
+    PositionF(const PositionF &other);
+
+private:
+    double m_x, m_y, m_z;
+};
\ No newline at end of file
diff --git a/code/PositionI.cpp b/code/PositionI.cpp
new file mode 100644
index 0000000..7de5dc0
--- /dev/null
+++ b/code/PositionI.cpp
@@ -0,0 +1,120 @@
+#include <cmath>
+#include "PositionI.hpp"
+
+PositionI::PositionI(int x, int z, int y) : m_x(x), m_y(y), m_z(z) {
+
+}
+
+PositionI::~PositionI() {
+
+}
+
+int PositionI::GetX() const {
+    return m_x;
+}
+
+int PositionI::GetY() const {
+    return m_y;
+}
+
+int PositionI::GetZ() const {
+    return m_z;
+}
+
+void PositionI::SetX(int x) {
+    m_x = x;
+}
+
+void PositionI::SetY(int y) {
+    m_y = y;
+}
+
+void PositionI::setZ(int z) {
+    m_z = z;
+}
+
+bool PositionI::operator==(const PositionI &other) const {
+    return other.m_x == m_x && other.m_z == m_z && other.m_y == other.m_y;
+}
+
+PositionI &PositionI::operator=(const PositionI &other) {
+    m_y = other.m_y;
+    m_z = other.m_z;
+    m_x = other.m_x;
+    return *this;
+}
+
+PositionI::PositionI(const PositionI &other) {
+    m_y = other.m_y;
+    m_z = other.m_z;
+    m_x = other.m_x;
+}
+
+PositionI::PositionI() : m_x(0), m_y(0), m_z(0) {
+
+}
+
+bool PositionI::operator<(const PositionI &rhs) const {
+    if (m_x < rhs.m_x)
+        return true;
+    if (rhs.m_x < m_x)
+        return false;
+    if (m_y < rhs.m_y)
+        return true;
+    if (rhs.m_y < m_y)
+        return false;
+    return m_z < rhs.m_z;
+}
+
+bool PositionI::operator>(const PositionI &rhs) const {
+    return rhs < *this;
+}
+
+bool PositionI::operator<=(const PositionI &rhs) const {
+    return !(rhs < *this);
+}
+
+bool PositionI::operator>=(const PositionI &rhs) const {
+    return !(*this < rhs);
+}
+
+PositionI PositionI::operator-(const PositionI &other) const {
+    return PositionI(
+            m_x - other.m_x,
+            m_z - other.m_z,
+            m_y - other.m_y
+    );
+}
+
+double PositionI::GetDistance() {
+    return (std::sqrt(std::pow(m_x, 2) + std::pow(m_y, 2) + std::pow(m_z, 2)));
+}
+
+PositionI PositionI::operator*(int other) const {
+    return PositionI(
+            m_x * other,
+            m_z * other,
+            m_y * other
+    );
+}
+
+PositionI PositionI::operator*(const PositionI &other) const {
+    return PositionI(
+            m_x * other.m_x,
+            m_z * other.m_z,
+            m_y * other.m_y
+    );
+}
+
+PositionI PositionI::operator/(int other) const {
+    return PositionI(
+            m_x / other,
+            m_z / other,
+            m_y / other
+    );
+}
+
+std::ostream &operator<<(std::ostream &os, const PositionI &i) {
+    os << "(" << i.m_x << ", " << i.m_y << ", " << i.m_z << ")";
+    return os;
+}
diff --git a/code/PositionI.hpp b/code/PositionI.hpp
new file mode 100644
index 0000000..25455ef
--- /dev/null
+++ b/code/PositionI.hpp
@@ -0,0 +1,50 @@
+#pragma once
+
+#include <ostream>
+
+class PositionI {
+public:
+    PositionI(int x, int z, int y);
+
+    PositionI();
+
+    ~PositionI();
+
+    int GetX() const;
+
+    int GetY() const;
+
+    int GetZ() const;
+
+    void SetX(int x);
+
+    void SetY(int y);
+
+    void setZ(int z);
+
+    double GetDistance();
+
+    bool operator==(const PositionI &other) const;
+
+    PositionI &operator=(const PositionI &other);
+
+    PositionI(const PositionI &other);
+
+    bool operator<(const PositionI &rhs) const;
+
+    bool operator>(const PositionI &rhs) const;
+
+    bool operator<=(const PositionI &rhs) const;
+
+    bool operator>=(const PositionI &rhs) const;
+
+    PositionI operator-(const PositionI &other)const;
+    PositionI operator*(int other)const;
+    PositionI operator*(const PositionI &other)const;
+    PositionI operator/(int other)const;
+
+    friend std::ostream &operator<<(std::ostream &os, const PositionI &i);
+
+private:
+    int m_x, m_y, m_z;
+};
\ No newline at end of file
diff --git a/code/Section.cpp b/code/Section.cpp
new file mode 100644
index 0000000..8df5953
--- /dev/null
+++ b/code/Section.cpp
@@ -0,0 +1,132 @@
+#include <iostream>
+#include "Section.hpp"
+
+Section::Section(byte *dataBlocks, size_t dataBlocksLength, byte *dataLight, byte *dataSky, byte bitsPerBlock,
+                 std::vector<unsigned short> palette) {
+    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() {
+}
+
+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(PositionI pos) {
+    if (m_dataBlocks != nullptr) {
+        std::mutex parseMutex;
+        std::unique_lock<std::mutex> parseLocker(parseMutex);
+        parseWaiter.wait(parseLocker);
+        while (m_dataBlocks != nullptr) {
+            parseWaiter.wait(parseLocker);
+        }
+    }
+    return m_blocks[pos.GetY() * 256 + pos.GetZ() * 16 + pos.GetX()];
+}
+
+void Section::Parse() {
+    if (m_dataBlocks == nullptr)
+        return;
+
+    long long *longArray = reinterpret_cast<long long *>(m_dataBlocks);
+    for (int i = 0; i < m_dataBlocksLen / 8; i++)
+        endswap(&longArray[i]);
+    std::vector<unsigned short> blocks;
+    blocks.reserve(4096);
+    int bitPos = 0;
+    unsigned short t = 0;
+    for (int 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;
+            }
+        }
+    }
+
+    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, light[i]);
+        m_blocks.push_back(block);
+    }
+    if ((light.size() + blocks.size()) / 2 != 4096) {
+        throw 118;
+    }
+    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) {
+    other.swap(*this);
+    return *this;
+}
+
+void Section::swap(Section &other) {
+    std::swap(other.m_dataBlocksLen, m_dataBlocksLen);
+    std::swap(other.m_dataBlocks, m_dataBlocks);
+    std::swap(other.m_dataLight, m_dataLight);
+    std::swap(other.m_dataSkyLight, m_dataSkyLight);
+    std::swap(other.m_blocks, m_blocks);
+    std::swap(other.m_palette, m_palette);
+    std::swap(other.m_bitsPerBlock, m_bitsPerBlock);
+}
+
+Section::Section(const Section &other) {
+    m_dataBlocksLen = other.m_dataBlocksLen;
+    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);
+    }
+
+    m_palette = other.m_palette;
+    m_bitsPerBlock = other.m_bitsPerBlock;
+}
+
+
diff --git a/code/Section.hpp b/code/Section.hpp
new file mode 100644
index 0000000..8e1a0d1
--- /dev/null
+++ b/code/Section.hpp
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <vector>
+#include <map>
+#include <condition_variable>
+#include "Block.hpp"
+#include "Field.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;
+public:
+    void Parse();
+
+    Section(byte *dataBlocks, size_t dataBlocksLength, byte *dataLight, byte *dataSky, byte bitsPerBlock,
+            std::vector<unsigned short> palette);
+
+    Section();
+
+    ~Section();
+
+    Block &GetBlock(PositionI pos);
+
+    Section &operator=(Section other);
+
+    void swap(Section &other);
+
+    Section(const Section &other);
+
+};
\ No newline at end of file
diff --git a/code/World.cpp b/code/World.cpp
new file mode 100644
index 0000000..c19f88c
--- /dev/null
+++ b/code/World.cpp
@@ -0,0 +1,107 @@
+#include <iostream>
+#include <bitset>
+#include "World.hpp"
+
+void World::ParseChunkData(Packet packet) {
+    int chunkX = packet.GetField(0).GetInt();
+    int chunkZ = packet.GetField(1).GetInt();
+    bool isGroundContinuous = packet.GetField(2).GetBool();
+    std::bitset<16> bitmask(packet.GetField(3).GetVarInt());
+    int entities = packet.GetField(5).GetVarInt();
+
+    size_t dataLen = packet.GetField(5).GetLength();
+    byte *content = new byte[dataLen];
+    byte *contentOrigPtr = content;
+    packet.GetField(5).CopyToBuff(content);
+
+    if (isGroundContinuous)
+        dataLen -= 256;
+
+    byte *biomes = content + packet.GetField(5).GetLength() - 256;
+    for (int i = 0; i < 16; i++) {
+        if (bitmask[i]) {
+            size_t len = 0;
+            m_sections[PositionI(chunkX, chunkZ, i)] = ParseSection(content, len);
+            m_sectionToParse.push(m_sections.find(PositionI(chunkX, chunkZ, i)));
+            m_parseSectionWaiter.notify_one();
+            content += len;
+        }
+    }
+    delete[] contentOrigPtr;
+}
+
+Section World::ParseSection(byte *data, size_t &dataLen) {
+    dataLen = 0;
+
+    Field fBitsPerBlock = FieldParser::Parse(UnsignedByte, data);
+    byte bitsPerBlock = fBitsPerBlock.GetUByte();
+    data += fBitsPerBlock.GetLength();
+    dataLen += fBitsPerBlock.GetLength();
+
+    Field fPaletteLength = FieldParser::Parse(VarInt, data);
+    int paletteLength = fPaletteLength.GetVarInt();
+    data += fPaletteLength.GetLength();
+    dataLen += fPaletteLength.GetLength();
+
+    std::vector<unsigned short> palette;
+    if (paletteLength > 0) {
+        for (unsigned char i = 0; i < paletteLength; i++) {
+            endswap(&i);
+            Field f = FieldParser::Parse(VarInt, data);
+            data += f.GetLength();
+            dataLen += f.GetLength();
+            palette.push_back(f.GetVarInt());
+            endswap(&i);
+        }
+    }
+
+    Field fDataLength = FieldParser::Parse(VarInt, data);
+    data += fDataLength.GetLength();
+    dataLen += fDataLength.GetLength();
+
+    int dataLength = fDataLength.GetVarInt();
+    size_t dataSize = dataLength * 8;
+    dataLen += dataSize;
+    byte *dataBlocks = data;
+
+    data += 2048;
+    dataLen += 2048;
+    byte *dataLight = data;
+
+    byte *dataSky = nullptr;
+    if (m_dimension == 0) {
+        data += 2048;
+        dataLen += 2048;
+        dataSky = data;
+    }
+
+    return Section(dataBlocks, dataSize, dataLight, dataSky, bitsPerBlock, palette);
+}
+
+World::~World() {
+    isContinue = false;
+    m_parseSectionWaiter.notify_all();
+    m_sectionParseThread.join();
+}
+
+void World::SectionParsingThread() {
+    while (isContinue) {
+        std::unique_lock<std::mutex> sectionParseLocker(m_parseSectionMutex);
+        m_parseSectionWaiter.wait(sectionParseLocker);
+        while (m_sectionToParse.size() == 0 && isContinue) {
+            m_parseSectionWaiter.wait(sectionParseLocker);
+        }
+        while (m_sectionToParse.size() > 0) {
+            auto it = m_sectionToParse.front();
+            m_sectionToParse.pop();
+            it->second.Parse();
+            /*std::cout << "Parsed chunk" << it->first.GetX() << "x" << it->first.GetY() << "x" << it->first.GetZ()
+                      << std::endl;*/
+        }
+    }
+}
+
+World::World() {
+    m_sectionParseThread = std::thread(&World::SectionParsingThread, this);
+}
+
diff --git a/code/World.hpp b/code/World.hpp
new file mode 100644
index 0000000..1f35585
--- /dev/null
+++ b/code/World.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <map>
+#include <thread>
+#include <mutex>
+#include <condition_variable>
+#include <queue>
+#include "Block.hpp"
+#include "Packet.hpp"
+#include "Section.hpp"
+
+class World {
+    //utility vars
+    World(const World& other);
+    World&operator=(const World &other);
+    bool isContinue=true;
+    std::mutex m_parseSectionMutex;
+    std::condition_variable m_parseSectionWaiter;
+    std::thread m_sectionParseThread;
+    std::queue<std::map<PositionI,Section>::iterator> m_sectionToParse;
+    //utility methods
+    void SectionParsingThread();
+    //game vars
+    int m_dimension = 0;
+    //game methods
+    Section ParseSection(byte *data, size_t &dataLen);
+public:
+    World();
+    ~World();
+    void ParseChunkData(Packet packet);
+    std::map<PositionI, Section> m_sections;
+};
\ No newline at end of file
diff --git a/code/graphics/AssetManager.cpp b/code/graphics/AssetManager.cpp
new file mode 100644
index 0000000..1840c63
--- /dev/null
+++ b/code/graphics/AssetManager.cpp
@@ -0,0 +1,143 @@
+#include "AssetManager.hpp"
+
+const std::string pathToAssets = "./assets/";
+const std::string pathToObjects = pathToAssets + "objects/";
+const std::string pathToIndexFile = pathToAssets + "indexes/1.11.json";
+const std::string pathToAssetsMc = "./assetsMc/";
+
+const std::map<Asset::AssetType, std::string> assetTypeFileExtensions{
+        std::make_pair(Asset::AssetType::Texture, ".png"),
+        std::make_pair(Asset::AssetType::Lang, ".lang"),
+        std::make_pair(Asset::AssetType::Sound, ".ogg"),
+};
+
+AssetManager::AssetManager() {
+    std::ifstream indexFile(pathToIndexFile);
+    if (!indexFile) {
+        std::cerr << "Can't open file " << pathToIndexFile << std::endl;
+    }
+    nlohmann::json json = nlohmann::json::parse(indexFile)["objects"];
+    for (auto it = json.begin(); it != json.end(); ++it) {
+        size_t fileNameExtensionPos = -1;
+        std::string name = it.key();
+        Asset::AssetType type = Asset::Unknown;
+        for (auto &it:assetTypeFileExtensions) {
+            if ((fileNameExtensionPos = name.find(it.second)) != std::string::npos) {
+                type = it.first;
+                name = name.substr(0, fileNameExtensionPos);
+                break;
+            }
+        }
+        std::string hash = it.value()["hash"].get<std::string>();
+        size_t size = it.value()["size"].get<int>();
+        Asset asset{name, hash, Asset::AssetData(), size, type};
+        this->assets[name] = asset;
+    }
+}
+
+AssetManager::~AssetManager() {
+
+}
+
+Asset &AssetManager::GetAsset(std::string AssetName) {
+    if (instance().assets.find(AssetName) == instance().assets.end() || !instance().assets[AssetName].isParsed())
+        LoadAsset(AssetName);
+    return instance().assets[AssetName];
+}
+
+void AssetManager::LoadAsset(std::string AssetName) {
+    if (instance().assets.find(AssetName) != instance().assets.end() && instance().assets[AssetName].isParsed())
+        return;
+    std::string AssetFileName = GetPathToAsset(AssetName);
+    Asset &asset = instance().assets[AssetName];
+
+
+    if (asset.type == Asset::Texture) {
+        asset.data.texture = new Texture(AssetFileName,GL_CLAMP_TO_BORDER,GL_NEAREST);
+        //asset.data.texture.loadFromFile((asset.name + assetTypeFileExtensions.at(asset.type)));
+    }
+}
+
+std::string AssetManager::GetPathToAsset(std::string AssetName) {
+    if (instance().assets.find(AssetName) != instance().assets.end()){
+        auto it = instance().assets.find(AssetName);
+        return pathToObjects + std::string(instance().assets[AssetName].hash.c_str(), 2) + "/" +
+               instance().assets[AssetName].hash;
+    }
+
+    instance().assets[AssetName].hash="";
+    instance().assets[AssetName].type=Asset::AssetType::Texture;
+    instance().assets[AssetName].name=AssetName;
+    instance().assets[AssetName].size=0;
+    return pathToAssetsMc + "" + instance().assets[AssetName].name +
+           assetTypeFileExtensions.at(instance().assets[AssetName].type);
+}
+
+std::string AssetManager::GetAssetNameByBlockId(unsigned short id) {
+    std::string assetBase = "minecraft/textures/blocks/";
+    std::string textureName;
+    switch (id){
+        case 0:
+            textureName="air";
+            break;
+        case 1:
+            textureName="stone";
+            break;
+        case 2:
+            textureName="grass";
+            break;
+        case 3:
+            textureName="dirt";
+            break;
+        case 16:
+            textureName="coal_ore";
+            break;
+        case 17:
+            textureName="log_oak";
+            break;
+        case 31:
+            textureName="air";
+            break;
+        default:
+            //std::cout<<id<<std::endl;
+            textureName="beacon";
+            break;
+    }
+    return assetBase+textureName;
+}
+
+bool Asset::isParsed() {
+    switch (type) {
+        case Unknown:
+            return false;
+            break;
+        case Texture:
+            return this->data.texture != nullptr;
+            break;
+        case Sound:
+            return false;
+            break;
+        case Model:
+            return false;
+            break;
+        case Lang:
+            return false;
+            break;
+    }
+}
+
+Asset::~Asset() {
+    switch (type) {
+        case Unknown:
+            break;
+        case Texture:
+            delete this->data.texture;
+            break;
+        case Sound:
+            break;
+        case Model:
+            break;
+        case Lang:
+            break;
+    }
+}
diff --git a/code/graphics/AssetManager.hpp b/code/graphics/AssetManager.hpp
new file mode 100644
index 0000000..c7ef81a
--- /dev/null
+++ b/code/graphics/AssetManager.hpp
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <fstream>
+#include <string>
+#include <map>
+#include "../json.hpp"
+#include "Texture.hpp"
+
+struct Asset {
+    std::string name = "";
+    std::string hash = "";
+    union AssetData{
+        Texture *texture;
+    } data;
+    size_t size = 0;
+    enum AssetType {
+        Unknown,
+        Texture,
+        Sound,
+        Model,
+        Lang,
+    } type = Unknown;
+    bool isParsed();
+    ~Asset();
+};
+
+class AssetManager {
+    AssetManager();
+
+    ~AssetManager();
+
+    AssetManager(const AssetManager &);
+
+    AssetManager &operator=(const AssetManager &);
+
+    std::map<std::string, Asset> assets;
+
+    static AssetManager &instance() {
+        static AssetManager assetManager;
+        return assetManager;
+    }
+
+    static std::string GetPathToAsset(std::string AssetName);
+public:
+
+    static Asset &GetAsset(std::string AssetName);
+
+    static void LoadAsset(std::string AssetName);
+
+    static std::string GetAssetNameByBlockId(unsigned short id);
+};
+
diff --git a/code/graphics/Camera3D.cpp b/code/graphics/Camera3D.cpp
new file mode 100644
index 0000000..eb740e4
--- /dev/null
+++ b/code/graphics/Camera3D.cpp
@@ -0,0 +1,79 @@
+#include "Camera3D.hpp"
+
+Camera3D::Camera3D(glm::vec3 position, glm::vec3 up, GLfloat yaw, GLfloat pitch) : Front(glm::vec3(0.0f, 0.0f, -1.0f)),
+                                                                               MovementSpeed(SPEED),
+                                                                               MouseSensitivity(SENSITIVTY),
+                                                                               Zoom(ZOOM) {
+    this->Position = position;
+    this->WorldUp = up;
+    this->Yaw = yaw;
+    this->Pitch = pitch;
+    this->updateCameraVectors();
+}
+
+Camera3D::Camera3D(GLfloat posX, GLfloat posY, GLfloat posZ, GLfloat upX, GLfloat upY, GLfloat upZ, GLfloat yaw,
+               GLfloat pitch) : Front(glm::vec3(0.0f, 0.0f, -1.0f)), MovementSpeed(SPEED), MouseSensitivity(SENSITIVTY),
+                                Zoom(ZOOM) {
+    this->Position = glm::vec3(posX, posY, posZ);
+    this->WorldUp = glm::vec3(upX, upY, upZ);
+    this->Yaw = yaw;
+    this->Pitch = pitch;
+    this->updateCameraVectors();
+}
+
+glm::mat4 Camera3D::GetViewMatrix() {
+    return glm::lookAt(this->Position, this->Position + this->Front, this->Up);
+}
+
+void Camera3D::ProcessKeyboard(Camera_Movement direction, GLfloat deltaTime) {
+    GLfloat velocity = this->MovementSpeed * deltaTime;
+    if (direction == FORWARD)
+        this->Position += this->Front * velocity;
+    if (direction == BACKWARD)
+        this->Position -= this->Front * velocity;
+    if (direction == LEFT)
+        this->Position -= this->Right * velocity;
+    if (direction == RIGHT)
+        this->Position += this->Right * velocity;
+}
+
+void Camera3D::ProcessMouseMovement(GLfloat xoffset, GLfloat yoffset, GLboolean constrainPitch) {
+    xoffset *= this->MouseSensitivity;
+    yoffset *= this->MouseSensitivity;
+
+    this->Yaw += xoffset;
+    this->Pitch += yoffset;
+
+    // Make sure that when pitch is out of bounds, screen doesn't get flipped
+    if (constrainPitch) {
+        if (this->Pitch > 89.0f)
+            this->Pitch = 89.0f;
+        if (this->Pitch < -89.0f)
+            this->Pitch = -89.0f;
+    }
+
+    // Update Front, Right and Up Vectors using the updated Eular angles
+    this->updateCameraVectors();
+}
+
+void Camera3D::ProcessMouseScroll(GLfloat yoffset) {
+    if (this->Zoom >= 1.0f && this->Zoom <= 45.0f)
+        this->Zoom -= yoffset/5.0f;
+    if (this->Zoom <= 1.0f)
+        this->Zoom = 1.0f;
+    if (this->Zoom >= 45.0f)
+        this->Zoom = 45.0f;
+}
+
+void Camera3D::updateCameraVectors() {
+    // Calculate the new Front vector
+    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);
+    // Also re-calculate the Right and Up vector
+    this->Right = glm::normalize(glm::cross(this->Front,
+                                            this->WorldUp));  // Normalize the vectors, because their length gets closer to 0 the more you look up or down which results in slower movement.
+    this->Up = glm::normalize(glm::cross(this->Right, this->Front));
+}
diff --git a/code/graphics/Camera3D.hpp b/code/graphics/Camera3D.hpp
new file mode 100644
index 0000000..eac1f47
--- /dev/null
+++ b/code/graphics/Camera3D.hpp
@@ -0,0 +1,66 @@
+#pragma once
+
+// Std. Includes
+#include <vector>
+
+// GL Includes
+#include <GL/glew.h>
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+
+// Defines several possible options for camera movement. Used as abstraction to stay away from window-system specific input methods
+enum Camera_Movement {
+    FORWARD,
+    BACKWARD,
+    LEFT,
+    RIGHT
+};
+
+// Default camera values
+const GLfloat YAW = -90.0f;
+const GLfloat PITCH = 0.0f;
+const GLfloat SPEED = 30.0f;
+const GLfloat SENSITIVTY = 0.2f;
+const GLfloat ZOOM = 45.0f;
+
+// An abstract camera class that processes input and calculates the corresponding Eular Angles, Vectors and Matrices for use in OpenGL
+class Camera3D {
+public:
+    // Camera3D Attributes
+    glm::vec3 Position;
+    glm::vec3 Front;
+    glm::vec3 Up;
+    glm::vec3 Right;
+    glm::vec3 WorldUp;
+    // Eular Angles
+    GLfloat Yaw;
+    GLfloat Pitch;
+    // Camera3D options
+    GLfloat MovementSpeed;
+    GLfloat MouseSensitivity;
+    GLfloat Zoom;
+
+    // Constructor with vectors
+    explicit Camera3D(glm::vec3 position = glm::vec3(0.0f, 0.0f, 3.0f), glm::vec3 up = glm::vec3(0.0f, 1.0f, 0.0f),
+           GLfloat yaw = YAW, GLfloat pitch = PITCH);
+
+    // Constructor with scalar values
+    Camera3D(GLfloat posX, GLfloat posY, GLfloat posZ, GLfloat upX, GLfloat upY, GLfloat upZ, GLfloat yaw, GLfloat pitch);
+
+    // Returns the view matrix calculated using Eular Angles and the LookAt Matrix
+    glm::mat4 GetViewMatrix();
+
+    // Processes input received from any keyboard-like input system. Accepts input parameter in the form of camera defined ENUM (to abstract it from windowing systems)
+    void ProcessKeyboard(Camera_Movement direction, GLfloat deltaTime);
+
+    // Processes input received from a mouse input system. Expects the offset value in both the x and y direction.
+    void ProcessMouseMovement(GLfloat xoffset, GLfloat yoffset, GLboolean constrainPitch = true);
+
+    // Processes input received from a mouse scroll-wheel event. Only requires input on the vertical wheel-axis
+    void ProcessMouseScroll(GLfloat yoffset);
+
+private:
+    // Calculates the front vector from the Camera3D's (updated) Eular Angles
+    void updateCameraVectors();
+};
\ No newline at end of file
diff --git a/code/graphics/Display.cpp b/code/graphics/Display.cpp
new file mode 100644
index 0000000..a68c35b
--- /dev/null
+++ b/code/graphics/Display.cpp
@@ -0,0 +1,268 @@
+#include <iomanip>
+#include "Display.hpp"
+#include "AssetManager.hpp"
+
+Display::Display(unsigned int winWidth, unsigned int winHeight, const char *winTitle, World *worldPtr) : world(
+        worldPtr) {
+    sf::ContextSettings contextSetting;
+    contextSetting.majorVersion = 3;
+    contextSetting.minorVersion = 3;
+    contextSetting.attributeFlags = contextSetting.Core;
+    contextSetting.depthBits = 24;
+    window = new sf::Window(sf::VideoMode(winWidth, winHeight), winTitle, sf::Style::Default, contextSetting);
+    window->setVerticalSyncEnabled(true);
+    window->setMouseCursorVisible(false);
+    sf::Mouse::setPosition(sf::Vector2i(window->getSize().x / 2, window->getSize().y / 2), *window);
+
+    //Glew
+    glewExperimental = GL_TRUE;
+    if (glewInit() != GLEW_OK) {
+        std::cout << "Failed to initialize GLEW" << std::endl;
+        throw 3;
+    }
+    glViewport(0, 0, width(), height());
+    glEnable(GL_DEPTH_TEST);
+}
+
+bool Display::IsClosed() {
+    return !window->isOpen();
+}
+
+void Display::SetPlayerPos(double playerX, double playerY, double playerZ) {
+    camera.Position = glm::vec3(playerX, playerY, playerZ);
+    const int ChunkDistance = 1;
+    PositionI playerChunk = PositionI((int) playerX / 16, (int) playerZ / 16, (int) playerY / 16);
+    /*std::cout << "Player chunk position: " << playerChunk.GetX() << " "
+              << playerChunk.GetZ() << " " << playerChunk.GetY() << std::endl;*/
+    for (auto &it:world->m_sections) {
+        PositionI chunkPosition = it.first;
+        PositionI delta = chunkPosition - playerChunk;
+        if (delta.GetDistance() > ChunkDistance)
+            continue;
+        /*std::cout << "Rendering " << delta.GetDistance() << " Detailed: " << delta.GetX() << " " << delta.GetZ() << " "
+                  << delta.GetY() << std::endl <<
+                  "\t" << chunkPosition.GetX() << " " << chunkPosition.GetZ() << " "
+                  << chunkPosition.GetY() << std::endl;*/
+        toRender.push_back(it.first);
+    }
+    std::cout << "Chunks to render: " << toRender.size() << std::endl;
+}
+
+void Display::MainLoop() {
+    Shader shader("./shaders/simple.vs", "./shaders/simple.fs");
+
+    GLfloat vertices[] = {
+            -0.5f, -0.5f, -0.5f, 0.0f, 0.0f,
+            0.5f, -0.5f, -0.5f, 1.0f, 0.0f,
+            0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
+            0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
+            -0.5f, 0.5f, -0.5f, 0.0f, 1.0f,
+            -0.5f, -0.5f, -0.5f, 0.0f, 0.0f,
+
+            -0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
+            0.5f, -0.5f, 0.5f, 1.0f, 0.0f,
+            0.5f, 0.5f, 0.5f, 1.0f, 1.0f,
+            0.5f, 0.5f, 0.5f, 1.0f, 1.0f,
+            -0.5f, 0.5f, 0.5f, 0.0f, 1.0f,
+            -0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
+
+            -0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
+            -0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
+            -0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
+            -0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
+            -0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
+            -0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
+
+            0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
+            0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
+            0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
+            0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
+            0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
+            0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
+
+            -0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
+            0.5f, -0.5f, -0.5f, 1.0f, 1.0f,
+            0.5f, -0.5f, 0.5f, 1.0f, 0.0f,
+            0.5f, -0.5f, 0.5f, 1.0f, 0.0f,
+            -0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
+            -0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
+
+            -0.5f, 0.5f, -0.5f, 0.0f, 1.0f,
+            0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
+            0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
+            0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
+            -0.5f, 0.5f, 0.5f, 0.0f, 0.0f,
+            -0.5f, 0.5f, -0.5f, 0.0f, 1.0f
+    };
+    GLuint indices[] = {
+            0, 1, 2,
+            0, 2, 3
+    };
+    GLuint VBO, VAO, EBO;
+    glGenBuffers(1, &VBO);
+    glGenBuffers(1, &EBO);
+    glGenVertexArrays(1, &VAO);
+
+    glBindVertexArray(VAO);
+    {
+        glBindBuffer(GL_ARRAY_BUFFER, VBO);
+        glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
+        glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
+
+        glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(GLfloat), 0);
+        glEnableVertexAttribArray(0);
+        glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(GLfloat), (GLvoid *) (3 * sizeof(GLfloat)));
+        glEnableVertexAttribArray(2);
+    }
+    glBindVertexArray(0);
+
+    shader.Use();
+
+    bool captureMouse = true;
+
+    bool isRunning = true;
+    while (isRunning) {
+        static sf::Clock clock, clock1;
+        float deltaTime = clock.getElapsedTime().asSeconds();
+        float absTime = clock1.getElapsedTime().asSeconds();
+        clock.restart();
+        sf::Event event;
+        while (window->pollEvent(event)) {
+            switch (event.type) {
+                case sf::Event::Closed:
+                    window->close();
+                    isRunning = false;
+                    break;
+                case sf::Event::Resized:
+                    glViewport(0, 0, width(), height());
+                    break;
+                case sf::Event::KeyPressed:
+                    switch (event.key.code) {
+                        case sf::Keyboard::Escape:
+                            isRunning = false;
+                            break;
+                        case sf::Keyboard::T:
+                            captureMouse = !captureMouse;
+                            window->setMouseCursorVisible(!captureMouse);
+                            sf::Mouse::setPosition(sf::Vector2i(window->getSize().x / 2, window->getSize().y / 2),
+                                                   *window);
+                            break;
+                        case sf::Keyboard::R:
+                            shader.Reload();
+                            break;
+                        default:
+                            break;
+                    }
+                case sf::Event::MouseWheelScrolled:
+                    camera.ProcessMouseScroll(event.mouseWheelScroll.delta);
+                    break;
+                default:
+                    break;
+            }
+        }
+        std::ostringstream toWindow;
+        glm::highp_vec3 cameraPosition(camera.Position);
+        toWindow << std::setprecision(2) << std::fixed << "Pos: " << cameraPosition.x << ", " << cameraPosition.y
+                 << ", " << cameraPosition.z << "; ";
+        toWindow << "FPS: " << (1.0f / deltaTime) << " ";
+        window->setTitle(toWindow.str());
+        if (captureMouse) {
+            sf::Vector2i mousePos = sf::Mouse::getPosition(*window);
+            sf::Vector2i center = sf::Vector2i(window->getSize().x / 2, window->getSize().y / 2);
+            sf::Mouse::setPosition(center, *window);
+            int deltaX = (mousePos - center).x, deltaY = (center - mousePos).y;
+            camera.ProcessMouseMovement(deltaX, deltaY);
+        }
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::W))
+            camera.ProcessKeyboard(Camera_Movement::FORWARD, deltaTime);
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::S))
+            camera.ProcessKeyboard(Camera_Movement::BACKWARD, deltaTime);
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::A))
+            camera.ProcessKeyboard(Camera_Movement::LEFT, deltaTime);
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::D))
+            camera.ProcessKeyboard(Camera_Movement::RIGHT, deltaTime);
+
+
+        //Render code
+        glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+        shader.Use();
+
+        GLint modelLoc = glGetUniformLocation(shader.Program, "model");
+        GLint projectionLoc = glGetUniformLocation(shader.Program, "projection");
+        GLint viewLoc = glGetUniformLocation(shader.Program, "view");
+        GLint blockLoc = glGetUniformLocation(shader.Program, "block");
+        GLint timeLoc = glGetUniformLocation(shader.Program, "time");
+        glm::mat4 projection = glm::perspective(camera.Zoom, (float) width() / (float) height(), 0.1f, 1000.0f);
+        glm::mat4 view = camera.GetViewMatrix();
+        glUniformMatrix4fv(projectionLoc, 1, GL_FALSE, glm::value_ptr(projection));
+        glUniformMatrix4fv(viewLoc, 1, GL_FALSE, glm::value_ptr(view));
+        glUniform1f(timeLoc, absTime);
+
+        glBindVertexArray(VAO);
+        /*for (GLuint i = 0; i < 10; i++) {
+            glm::mat4 model;
+            glm::vec3 cubePositions[] = {
+                    glm::vec3(0, 0, 0),
+                    glm::vec3(0, 0, 1),
+                    glm::vec3(0, 0, 2),
+                    glm::vec3(1, 0, 0),
+                    glm::vec3(1, 0, 1),
+                    glm::vec3(1, 0, 2),
+                    glm::vec3(2, 0, 0),
+                    glm::vec3(2, 0, 1),
+                    glm::vec3(2, 0, 2),
+                    glm::vec3(3, 0, 3),
+            };
+            if (toRender.size()<1)
+                continue;
+            model = glm::translate(model,
+                                   glm::vec3(toRender[0].GetX() * 16, toRender[0].GetZ() * 16,
+                                             toRender[0].GetY() * 16));
+            model = glm::translate(model, cubePositions[i]);
+
+            GLfloat angle = 20.0f * (i);
+            //model = glm::rotate(model, glm::radians(angle * absTime), glm::vec3(1.0f, 0.3f, 0.5f));
+            glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model));
+
+            glDrawArrays(GL_TRIANGLES, 0, 36);
+        }*/
+
+        for (auto &sectionPos:toRender) {
+            Section &section = world->m_sections[sectionPos];
+            for (int y = 0; y < 16; y++) {
+                for (int z = 0; z < 16; z++) {
+                    for (int x = 0; x < 16; x++) {
+                        glm::mat4 model;
+                        model = glm::translate(model,
+                                               glm::vec3(sectionPos.GetX() * 16, sectionPos.GetY() * 16,
+                                                         sectionPos.GetZ() * 16));
+                        model = glm::translate(model, glm::vec3(x, y, z));
+
+                        Block block = section.GetBlock(PositionI(x, z, y));
+                        glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model));
+                        glUniform1i(blockLoc, block.id);
+
+                        std::string textureName = AssetManager::GetAssetNameByBlockId(block.id);
+                        if (textureName.find("air") != std::string::npos)
+                            continue;
+                        Texture &texture1 = *(AssetManager::GetAsset(textureName).data.texture);
+
+                        glActiveTexture(GL_TEXTURE0);
+                        glBindTexture(GL_TEXTURE_2D, texture1.texture);
+                        glUniform1i(glGetUniformLocation(shader.Program, "blockTexture"), 0);
+
+                        glDrawArrays(GL_TRIANGLES, 0, 36);
+                    }
+                }
+            }
+        }
+        glBindVertexArray(0);
+
+        //End of render code
+
+        window->display();
+    }
+
+}
diff --git a/code/graphics/Display.hpp b/code/graphics/Display.hpp
new file mode 100644
index 0000000..314ef5d
--- /dev/null
+++ b/code/graphics/Display.hpp
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <SFML/Window.hpp>
+#include "../World.hpp"
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtc/type_ptr.hpp>
+#include "Shader.hpp"
+#include "Texture.hpp"
+#include "Camera3D.hpp"
+
+class Display {
+    sf::Window *window;
+    World* world;
+    std::vector<PositionI> toRender;
+    Camera3D camera;
+public:
+    Display(unsigned int winWidth, unsigned int winHeight, const char winTitle[9], World *worldPtr);
+
+    bool IsClosed();
+
+    void SetPlayerPos(double playerX, double playerY, double playerZ);
+
+    void MainLoop();
+
+    unsigned int width() {
+        return window->getSize().x;
+    }
+
+    unsigned int height() {
+        return window->getSize().y;
+    }
+};
\ No newline at end of file
diff --git a/code/graphics/Shader.cpp b/code/graphics/Shader.cpp
new file mode 100644
index 0000000..c84e169
--- /dev/null
+++ b/code/graphics/Shader.cpp
@@ -0,0 +1,90 @@
+#include "Shader.hpp"
+
+Shader::Shader(const GLchar *vertexPath, const GLchar *fragmentPath) {
+    vertex = vertexPath;
+    fragment = fragmentPath;
+    // 1. Получаем исходный код шейдера из filePath
+    std::string vertexCode;
+    std::string fragmentCode;
+    std::ifstream vShaderFile;
+    std::ifstream fShaderFile;
+    // Удостоверимся, что ifstream объекты могут выкидывать исключения
+    vShaderFile.exceptions(std::ifstream::failbit);
+    fShaderFile.exceptions(std::ifstream::failbit);
+    try {
+        // Открываем файлы
+        vShaderFile.open(vertexPath);
+        fShaderFile.open(fragmentPath);
+        std::stringstream vShaderStream, fShaderStream;
+        // Считываем данные в потоки
+        vShaderStream << vShaderFile.rdbuf();
+        fShaderStream << fShaderFile.rdbuf();
+        // Закрываем файлы
+        vShaderFile.close();
+        fShaderFile.close();
+        // Преобразовываем потоки в массив GLchar
+        vertexCode = vShaderStream.str();
+        fragmentCode = fShaderStream.str();
+    }
+    catch (std::ifstream::failure e) {
+        std::cout << "ERROR::SHADER::FILE_NOT_SUCCESFULLY_READ" << std::endl;
+    }
+    const GLchar *vShaderCode = vertexCode.c_str();
+    const GLchar *fShaderCode = fragmentCode.c_str();
+
+
+    // 2. Сборка шейдеров
+    GLuint vertex, fragment;
+    GLint success;
+    GLchar infoLog[512];
+
+    // Вершинный шейдер
+    vertex = glCreateShader(GL_VERTEX_SHADER);
+    glShaderSource(vertex, 1, &vShaderCode, NULL);
+    glCompileShader(vertex);
+    // Если есть ошибки - вывести их
+    glGetShaderiv(vertex, GL_COMPILE_STATUS, &success);
+    if (!success) {
+        glGetShaderInfoLog(vertex, 512, NULL, infoLog);
+        std::cout << "ERROR::SHADER::VERTEX::COMPILATION_FAILED\n" << infoLog << std::endl;
+    };
+
+    // Вершинный шейдер
+    fragment = glCreateShader(GL_FRAGMENT_SHADER);
+    glShaderSource(fragment, 1, &fShaderCode, NULL);
+    glCompileShader(fragment);
+    // Если есть ошибки - вывести их
+    glGetShaderiv(fragment, GL_COMPILE_STATUS, &success);
+    if (!success) {
+        glGetShaderInfoLog(fragment, 512, NULL, infoLog);
+        std::cout << "ERROR::SHADER::FRAGMENT::COMPILATION_FAILED\n" << infoLog << std::endl;
+    };
+
+    // Шейдерная программа
+    this->Program = glCreateProgram();
+    glAttachShader(this->Program, vertex);
+    glAttachShader(this->Program, fragment);
+    glLinkProgram(this->Program);
+    //Если есть ошибки - вывести их
+    glGetProgramiv(this->Program, GL_LINK_STATUS, &success);
+    if (!success) {
+        glGetProgramInfoLog(this->Program, 512, NULL, infoLog);
+        std::cout << "ERROR::SHADER::PROGRAM::LINKING_FAILED\n" << infoLog << std::endl;
+    }
+
+    // Удаляем шейдеры, поскольку они уже в программу и нам больше не нужны.
+    glDeleteShader(vertex);
+    glDeleteShader(fragment);
+}
+
+void Shader::Use() {
+    glUseProgram(this->Program);
+}
+
+void Shader::Reload() {
+    const GLchar *vertexPath = vertex;
+    const GLchar *fragmentPath = fragment;
+    this->~Shader();
+    new(this) Shader(vertexPath, fragmentPath);
+    std::cout<<"Shader is realoded!"<<std::endl;
+}
diff --git a/code/graphics/Shader.hpp b/code/graphics/Shader.hpp
new file mode 100644
index 0000000..8178d2a
--- /dev/null
+++ b/code/graphics/Shader.hpp
@@ -0,0 +1,22 @@
+#include <string>
+#include <fstream>
+#include <sstream>
+#include <iostream>
+
+#include <GL/glew.h>
+
+class Shader
+{
+private:
+    const GLchar *vertex;
+    const GLchar *fragment;
+public:
+    // Идентификатор программы
+    GLuint Program;
+    // Конструктор считывает и собирает шейдер
+    Shader(const GLchar* vertexPath, const GLchar* fragmentPath);
+    // Использование программы
+    void Use();
+
+    void Reload();
+};
\ No newline at end of file
diff --git a/code/graphics/Texture.cpp b/code/graphics/Texture.cpp
new file mode 100644
index 0000000..0104530
--- /dev/null
+++ b/code/graphics/Texture.cpp
@@ -0,0 +1,39 @@
+#include <iostream>
+#include <SFML/Graphics.hpp>
+#include "Texture.hpp"
+
+Texture::Texture(std::string filename, GLenum textureWrapping, GLenum textureFiltering) {
+    glGenTextures(1, &texture);
+    glBindTexture(GL_TEXTURE_2D, texture);
+
+    //Texture options
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, textureWrapping);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, textureWrapping);
+
+    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,textureFiltering);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+    //Image load
+    sf::Image image;
+    if (!image.loadFromFile(filename)) {
+        std::cout << "Can't open image " << filename << std::endl;
+        throw 201;
+    }
+    if (image.getPixelsPtr()==nullptr){
+        std::cout<<"Image data is corrupted!"<<std::endl;
+        throw 202;
+    }
+    image.flipVertically();
+
+
+    //Creating texture
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image.getSize().x, image.getSize().y, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                 (GLvoid *) image.getPixelsPtr());
+    glGenerateMipmap(GL_TEXTURE_2D);
+    glBindTexture(GL_TEXTURE_2D, 0);
+
+}
+
+Texture::~Texture() {
+    glDeleteTextures(1, &texture);
+}
diff --git a/code/graphics/Texture.hpp b/code/graphics/Texture.hpp
new file mode 100644
index 0000000..8e3f1af
--- /dev/null
+++ b/code/graphics/Texture.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <GL/glew.h>
+
+class Texture {
+    Texture(Texture&);
+    Texture&operator=(Texture&);
+public:
+    GLuint texture;
+    Texture(std::string filename, GLenum textureWrapping = GL_CLAMP_TO_BORDER, GLenum textureFiltering = GL_NEAREST);
+    ~Texture();
+};
\ No newline at end of file
diff --git a/code/main.cpp b/code/main.cpp
new file mode 100644
index 0000000..a88baf9
--- /dev/null
+++ b/code/main.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+#include "Game.hpp"
+#include "graphics/AssetManager.hpp"
+
+int main() {
+
+        Game game;
+        game.Exec();
+    return 0;
+}
\ No newline at end of file
diff --git a/code/shaders/simple.fs b/code/shaders/simple.fs
new file mode 100644
index 0000000..2d2a582
--- /dev/null
+++ b/code/shaders/simple.fs
@@ -0,0 +1,22 @@
+#version 330 core
+in vec2 TexCoord;
+
+out vec4 color;
+
+uniform sampler2D blockTexture;
+uniform int block;
+uniform float time;
+
+void main()
+{
+    //color = mix(texture(texture1, TexCoord), texture(texture2, TexCoord), 0.0);
+    /*if (block==1)
+        color = vec4(0.2,0.2,0.2,1);
+    else if (block==0)
+        color = vec4(0,0,0,1);
+    else
+        color = vec4(1,1,1,1);*/
+    color = texture(blockTexture,TexCoord);
+    //color = vec4(TexCoord.x,TexCoord.y,0,1);
+}
+
diff --git a/code/shaders/simple.vs b/code/shaders/simple.vs
new file mode 100644
index 0000000..7233efc
--- /dev/null
+++ b/code/shaders/simple.vs
@@ -0,0 +1,15 @@
+#version 330 core
+layout (location = 0) in vec3 position;
+layout (location = 2) in vec2 texCoord;
+
+out vec2 TexCoord;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
+void main()
+{
+    gl_Position = projection * view * model * vec4(position, 1.0f);
+    TexCoord = vec2(texCoord.x, texCoord.y);
+}
\ No newline at end of file
diff --git a/code/utility.cpp b/code/utility.cpp
new file mode 100644
index 0000000..aa50e9f
--- /dev/null
+++ b/code/utility.cpp
@@ -0,0 +1,66 @@
+#include "utility.h"
+
+int VarIntRead(unsigned char *data, size_t &readed) {
+    readed = 0;
+    int result = 0;
+    char read;
+    do {
+        read = data[readed];
+        int value = (read & 0b01111111);
+        result |= (value << (7 * readed));
+
+        readed++;
+        if (readed > 5) {
+            throw "VarInt is too big";
+        }
+    } while ((read & 0b10000000) != 0);
+
+    return result;
+}
+
+size_t VarIntWrite(unsigned int value, unsigned char *data) {
+    size_t len = 0;
+    do {
+        unsigned char temp = (unsigned char) (value & 0b01111111);
+        value >>= 7;
+        if (value != 0) {
+            temp |= 0b10000000;
+        }
+        data[len] = temp;
+        len++;
+    } while (value != 0);
+    return len;
+}
+
+long long int ReadVarLong(unsigned char *data, int &readed) {
+    readed = 0;
+    long long result = 0;
+    unsigned char read;
+    do {
+        read = data[readed];
+        long long value = (read & 0b01111111);
+        result |= (value << (7 * readed));
+
+        readed++;
+        if (readed > 10) {
+            throw "VarLong is too big";
+        }
+    } while ((read & 0b10000000) != 0);
+    return result;
+}
+
+unsigned char *WriteVarLong(unsigned long long int value, int &len) {
+    unsigned char *data = new unsigned char[10];
+    len = 0;
+    do {
+        unsigned char temp = (unsigned char) (value & 0b01111111);
+        value >>= 7;
+        if (value != 0) {
+            temp |= 0b10000000;
+        }
+        data[len] = temp;
+        len++;
+    } while (value != 0);
+
+    return data;
+}
\ No newline at end of file
diff --git a/code/utility.h b/code/utility.h
new file mode 100644
index 0000000..32120cb
--- /dev/null
+++ b/code/utility.h
@@ -0,0 +1,16 @@
+#pragma once
+#include <algorithm>
+
+int VarIntRead(unsigned char *data, size_t &readed);
+
+size_t VarIntWrite(unsigned int value, unsigned char *data);
+
+long long int ReadVarLong(unsigned char *data, int &readed);
+
+unsigned char *WriteVarLong(unsigned long long int value, int &len);
+
+template<class T>
+void endswap(T *objp) {
+    unsigned char *memp = reinterpret_cast<unsigned char *>(objp);
+    std::reverse(memp, memp + sizeof(T));
+}
\ No newline at end of file