diff --git a/3dzavr b/3dzavr
index c671537..a6c37ff 160000
--- a/3dzavr
+++ b/3dzavr
@@ -1 +1 @@
-Subproject commit c671537f8d0c7047b481e2c4766fa6ed5de9d0b6
+Subproject commit a6c37ff6cfb910ed49d764ccc570761b530cfeb3
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 00c27d8..0091a24 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,6 @@ cmake_minimum_required(VERSION 3.17)
 project(shooter)
 
 set(CMAKE_CXX_STANDARD 20)
-
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
 
 add_executable(${CMAKE_PROJECT_NAME}
@@ -30,122 +29,8 @@ add_executable(${CMAKE_PROJECT_NAME}
         network/ShooterMsgType.cpp
         network/Chat.cpp
         network/Chat.h
-        # 3d engine:
-        3dzavr/engine/Consts.h
-        3dzavr/engine/math/Vec4D.h
-        3dzavr/engine/math/Vec4D.cpp
-        3dzavr/engine/math/Vec3D.cpp
-        3dzavr/engine/math/Vec3D.h
-        3dzavr/engine/math/Vec2D.cpp
-        3dzavr/engine/math/Vec2D.h
-        3dzavr/engine/math/Matrix4x4.h
-        3dzavr/engine/math/Matrix4x4.cpp
-        3dzavr/engine/Triangle.h
-        3dzavr/engine/Triangle.cpp
-        3dzavr/engine/math/Plane.h
-        3dzavr/engine/math/Plane.cpp
-        3dzavr/engine/Mesh.h
-        3dzavr/engine/Mesh.cpp
-        3dzavr/engine/utils/Log.h
-        3dzavr/engine/utils/Log.cpp
-        3dzavr/engine/utils/Time.h
-        3dzavr/engine/utils/Time.cpp
-        3dzavr/engine/utils/Timer.cpp
-        3dzavr/engine/utils/Timer.h
-        3dzavr/engine/utils/ResourceManager.h
-        3dzavr/engine/utils/ResourceManager.cpp
-        3dzavr/engine/World.h
-        3dzavr/engine/World.cpp
-        3dzavr/engine/Camera.h
-        3dzavr/engine/Camera.cpp
-        3dzavr/engine/io/Screen.h
-        3dzavr/engine/io/Screen.cpp
-        3dzavr/engine/Engine.h
-        3dzavr/engine/Engine.cpp
-        3dzavr/engine/io/Keyboard.cpp
-        3dzavr/engine/io/Keyboard.h
-        3dzavr/engine/io/Mouse.cpp
-        3dzavr/engine/io/Mouse.h
-        3dzavr/engine/io/SoundController.cpp
-        3dzavr/engine/io/SoundController.h
-        3dzavr/engine/utils/ObjectController.cpp
-        3dzavr/engine/utils/ObjectController.h
-        3dzavr/engine/animation/Animation.h
-        3dzavr/engine/animation/Timeline.cpp
-        3dzavr/engine/animation/Timeline.h
-        3dzavr/engine/animation/Interpolation.h
-        3dzavr/engine/animation/Animation.cpp
-        3dzavr/engine/animation/ATranslate.h
-        3dzavr/engine/animation/AScale.h
-        3dzavr/engine/animation/ARotate.h
-        3dzavr/engine/animation/AWait.h
-        3dzavr/engine/animation/AFunction.h
-        3dzavr/engine/animation/AAttractToPoint.h
-        3dzavr/engine/animation/ARotateRelativePoint.h
-        3dzavr/engine/animation/ARotateLeft.h
-        3dzavr/engine/animation/Interpolation.cpp
-        3dzavr/engine/animation/Animations.h
-        3dzavr/engine/animation/AShowCreation.h
-        3dzavr/engine/animation/AShowUncreation.h
-        3dzavr/engine/animation/ARotateLeftUpLookAt.h
-        3dzavr/engine/animation/ADecompose.h
-        3dzavr/engine/physics/RigidBody.cpp
-        3dzavr/engine/physics/RigidBody.h
-        3dzavr/engine/physics/Simplex.h
-        3dzavr/engine/physics/HitBox.cpp
-        3dzavr/engine/physics/HitBox.h
-        3dzavr/engine/Object.cpp
-        3dzavr/engine/Object.h
-        3dzavr/engine/gui/Button.cpp
-        3dzavr/engine/gui/Button.h
-        3dzavr/engine/gui/Window.cpp
-        3dzavr/engine/gui/Window.h
-        3dzavr/engine/network/ClientUDP.cpp
-        3dzavr/engine/network/ClientUDP.h
-        3dzavr/engine/network/MsgType.cpp
-        3dzavr/engine/network/MsgType.h
-        3dzavr/engine/network/ReliableMsg.cpp
-        3dzavr/engine/network/ReliableMsg.h
-        3dzavr/engine/network/ServerUDP.cpp
-        3dzavr/engine/network/ServerUDP.h
-        3dzavr/engine/network/UDPConnection.cpp
-        3dzavr/engine/network/UDPConnection.h
-        3dzavr/engine/network/UDPSocket.cpp
-        3dzavr/engine/network/UDPSocket.h
-        3dzavr/engine/utils/EventHandler.cpp
-        3dzavr/engine/utils/EventHandler.h)
+        )
 
-if(APPLE OR UNIX)
-    include_directories(/usr/local/include)
-else()
-    set(SFML_DIR "C:/Libraries/SFML/lib/cmake/SFML")
-    set(SFML_STATIC_LIBRARIES TRUE)
-endif()
-
-find_package(SFML 2.5.1 COMPONENTS graphics audio REQUIRED)
-
-if (SFML_FOUND)
-    include_directories(${SFML_INCLUDE_DIR})
-endif()
-
-target_link_libraries(${CMAKE_PROJECT_NAME} sfml-audio sfml-network sfml-graphics sfml-window sfml-system)
-
-# OpenGL part
-if (APPLE)
-    set(GLEW_H /usr/local/Cellar/glew/2.1.0/include/GL)
-    set(GLFW_H /usr/local/Cellar/glfw/3.2.1/include/GLFW)
-    include_directories(${GLEW_H} ${GLFW_H})
-
-    set(GLEW_LINK /usr/local/Cellar/glew/2.1.0/lib/libGLEW.2.1.dylib)
-    set(GLFW_LINK /usr/local/Cellar/glfw/3.2.1/lib/libglfw.3.dylib)
-    link_libraries(${OPENGL} ${GLEW_LINK} ${GLFW_LINK})
-
-    target_link_libraries(${CMAKE_PROJECT_NAME} "-framework OpenGL")
-    target_link_libraries(${CMAKE_PROJECT_NAME} "-framework GLUT")
-elseif(UNIX)
-    find_package(OpenGL REQUIRED)
-    find_package(GLUT REQUIRED)
-
-    target_link_libraries(${CMAKE_PROJECT_NAME} ${OPENGL_LIBRARIES})
-    target_link_libraries(${CMAKE_PROJECT_NAME} ${GLUT_LIBRARY})
-endif()
+# include 3dzavr engine into our project
+add_subdirectory(3dzavr/engine)
+target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC 3DZAVR)
diff --git a/Shooter.cpp b/Shooter.cpp
index 469c432..c0c5320 100644
--- a/Shooter.cpp
+++ b/Shooter.cpp
@@ -2,17 +2,17 @@
 // Created by Иван Ильин on 22.09.2021.
 //
 
-#include "Shooter.h"
-#include <fstream>
-#include <utility>
-#include "3dzavr/engine/animation/Animations.h"
-#include "ShooterConsts.h"
-#include "3dzavr/engine/io/SoundController.h"
-#include "network/Chat.h"
-#include "3dzavr/engine/utils/EventHandler.h"
 #include <iostream>
+#include <fstream>
+
+#include <animation/Animations.h>
+#include <io/SoundController.h>
+#include <utils/EventHandler.h>
+
+#include "Shooter.h"
+#include "ShooterConsts.h"
+#include "network/Chat.h"
 
-using namespace std;
 // Read server/client settings and start both.
 // If client doesn't connect to the localhost - server doesn't start.
 void Shooter::initNetwork() {
@@ -106,9 +106,9 @@ void Shooter::start() {
             [this](const std::string &weaponName, sf::Uint16 enemyId) {
                 changeEnemyWeapon(weaponName, enemyId);
             });
-    EventHandler::listen<void(const string&, const Vec3D&)>(
+    EventHandler::listen<void(const std::string&, const Vec3D&)>(
             Event("add_bonus"),
-            [this](const string &bonusName, const Vec3D &position) { addBonus(bonusName, position); }
+            [this](const std::string &bonusName, const Vec3D &position) { addBonus(bonusName, position); }
             );
     EventHandler::listen<void(const ObjectNameTag &)>(
             Event("remove_bonus"),
@@ -205,7 +205,7 @@ void Shooter::update() {
         screen->setTitle(ShooterConsts::PROJECT_NAME);
 
         if (isTypingMessage) {
-            string symbols = screen->getInputSymbols();
+            std::string symbols = screen->getInputSymbols();
             for (char s : symbols) {
                 if (s == (char)8) { //backspace
                     message = message.substr(0, message.size() - 1);
@@ -239,7 +239,7 @@ void Shooter::update() {
 
 void Shooter::drawChat() {
     sf::Color chatColor = isTypingMessage?  sf::Color(50, 50, 50, 255) : sf::Color(50, 50, 50, chat->update(Time::deltaTime()));
-    string chatText = isTypingMessage ? chat->getChat() : chat->getChatPreview();
+    std::string chatText = isTypingMessage ? chat->getChat() : chat->getChatPreview();
 
     screen->drawText(chatText, Vec2D{ 10, (double)screen->height()*0.25 }, 20, chatColor);
 
@@ -276,7 +276,7 @@ void Shooter::drawStatsTable() {
 
     screen->drawText(client->lastEvent(), Vec2D{10, 10}, 25, sf::Color(0, 0, 0, 100));
 
-    vector<shared_ptr < Player>>
+    std::vector<std::shared_ptr<Player>>
     allPlayers;
     allPlayers.push_back(player);
     for (auto&[playerId, player] : client->players())
@@ -406,7 +406,7 @@ void Shooter::removeFireTrace(const ObjectNameTag &traceName) {
     world->removeBody(traceName);
 }
 
-void Shooter::addBonus(const string &bonusName, const Vec3D &position) {
+void Shooter::addBonus(const std::string &bonusName, const Vec3D &position) {
 
     std::string name = bonusName.substr(6, bonusName.size() - 3 - 5);
 
diff --git a/Shooter.h b/Shooter.h
index 6ff4c27..a26c3bc 100644
--- a/Shooter.h
+++ b/Shooter.h
@@ -5,16 +5,15 @@
 #ifndef SHOOTER_SHOOTER_H
 #define SHOOTER_SHOOTER_H
 
-#include "3dzavr/engine/Engine.h"
+#include <Engine.h>
+#include <gui/Window.h>
+
 #include "player/Player.h"
 #include "player/PlayerController.h"
 #include "player/PlayerController.h"
-#include "3dzavr/engine/gui/Window.h"
-
 #include "network/ShooterClient.h"
 #include "network/ShooterServer.h"
 
-
 class Shooter final : public Engine {
 private:
     std::shared_ptr<Player> player = std::make_shared<Player>(ObjectNameTag("Player"),
@@ -28,7 +27,7 @@ private:
     std::shared_ptr<ShooterClient> client = std::make_shared<ShooterClient>(player);
     std::shared_ptr<ChatManager> chat = std::make_shared<ChatManager>();
     bool isTypingMessage = false;
-    string message = "";
+    std::string message;
 
     bool inGame = false;
     int fireTraces = 0;
diff --git a/ShooterConsts.h b/ShooterConsts.h
index d25c5fc..ef217db 100644
--- a/ShooterConsts.h
+++ b/ShooterConsts.h
@@ -6,6 +6,8 @@
 #define SHOOTER_SHOOTERCONSTS_H
 
 namespace ShooterConsts {
+
+    // Numeric constants
     const double GRAVITY = 35;
     const double HEALTH_MAX = 100;
     const double ABILITY_MAX = 10;
@@ -17,6 +19,7 @@ namespace ShooterConsts {
     const double BONUS_RECHARGE_TIME = 30;
     const int MAX_MESSAGE_LENGTH = 70;
 
+    // String constants
     const std::string PLAYER_NAME = "Player";
     const std::string PROJECT_NAME = "Shooter";
 
diff --git a/network/Chat.cpp b/network/Chat.cpp
index 817f651..9abacfc 100644
--- a/network/Chat.cpp
+++ b/network/Chat.cpp
@@ -1,8 +1,8 @@
-#include "Chat.h"
 #include <string>
-#include <iostream>
 
-void ChatManager::addNewMessage(std::string author, std::string message) {
+#include "Chat.h"
+
+void ChatManager::addNewMessage(const std::string& author, const std::string& message) {
 	hide = 7.0;
 	messages.push_back(message);
 	authors.push_back(author);
@@ -17,16 +17,18 @@ int ChatManager::update(double delta) {
 
 }
 std::string ChatManager::getChat() {
-	updateChat(); return chatStr;
+	updateChat();
+    return chatStr;
 }
 std::string ChatManager::getChatPreview() {
-	updateChat(); return chatStrPrev;
+	updateChat();
+    return chatStrPrev;
 }
 
 void ChatManager::updateChat() {
 	if (isChatUpdate) {
 		isChatUpdate = false;
-		int size = messages.size();
+        size_t size = messages.size();
 		chatStr = "";
 		chatStrPrev = "";
 		for (int messageIndex = size - 1; messageIndex >= 0; messageIndex--)
diff --git a/network/Chat.h b/network/Chat.h
index 9a568f5..abe1a17 100644
--- a/network/Chat.h
+++ b/network/Chat.h
@@ -1,23 +1,28 @@
-//#ifndef SHOOTER_SHOOTERSERVER_H
-#ifndef CHAT_H
-#define CHAT_H
+#ifndef SHOOTER_CHAT_H
+#define SHOOTER_CHAT_H
+
 #include <vector>
 #include <string>
-using namespace std;
 
 class ChatManager final {
 private:
 	std::vector<std::string> messages;
 	std::vector<std::string> authors;
+
 	bool isChatUpdate = true;
-	std::string chatStr = "";
-	std::string chatStrPrev = "";
+	std::string chatStr;
+	std::string chatStrPrev;
+
 	double hide = 0.0;
-	void updateChat();
+
+    void updateChat();
 public:
-	void addNewMessage(std::string author, std::string message);
+	void addNewMessage(const std::string& author, const std::string& message);
 	int update(double delta);
+
 	std::string getChat();
 	std::string getChatPreview();
 };
-#endif 
\ No newline at end of file
+
+
+#endif
\ No newline at end of file
diff --git a/network/ShooterClient.cpp b/network/ShooterClient.cpp
index e39e666..84c6889 100644
--- a/network/ShooterClient.cpp
+++ b/network/ShooterClient.cpp
@@ -2,16 +2,19 @@
 // Created by Иван Ильин on 25.05.2021.
 //
 
-#include "ShooterClient.h"
-
-#include <SFML/Network/Ftp.hpp>
 #include <string>
 #include <utility>
-#include "../3dzavr/engine/utils/Log.h"
-#include "../3dzavr/engine/animation/Timeline.h"
+
+#include <SFML/Network/Ftp.hpp>
+
+#include <animation/Animations.h>
+#include <animation/Timeline.h>
+#include <utils/EventHandler.h>
+#include <utils/Log.h>
+
+#include "ShooterClient.h"
 #include "ShooterMsgType.h"
-#include "../3dzavr/engine/animation/Animations.h"
-#include "../3dzavr/engine/utils/EventHandler.h"
+
 
 
 ShooterClient::ShooterClient(std::shared_ptr<Player> player) : _player(player) {
@@ -143,7 +146,7 @@ void ShooterClient::processDisconnect(sf::Uint16 targetId) {
     }
 }
 
-void ShooterClient::sendMessage(string message){
+void ShooterClient::sendMessage(const std::string& message){
     
     if (message.length() == 0)
         return;
@@ -153,7 +156,7 @@ void ShooterClient::sendMessage(string message){
     _socket.send(packet, _socket.serverId());
 }
 
-void ShooterClient::sendChatMessage(string message, string name) {
+void ShooterClient::sendChatMessage(const std::string& message, const std::string& name) {
     chatManager->addNewMessage(name, message);
 }
 
@@ -164,7 +167,7 @@ void ShooterClient::processCustomPacket(sf::Packet &packet) {
 
     ShooterMsgType type;
     packet >> type;
-    string name, message;
+    std::string name, message;
 
     switch (type) {
         case ShooterMsgType::Kill:
@@ -238,14 +241,14 @@ void ShooterClient::processCustomPacket(sf::Packet &packet) {
             break;
         case ShooterMsgType::InitBonuses:
             while (packet >> tmp >> dbuff[0] >> dbuff[1] >> dbuff[2]) {
-                EventHandler::call<void(const string&, const Vec3D&)>(
+                EventHandler::call<void(const std::string&, const Vec3D&)>(
                         Event("add_bonus"), tmp, Vec3D(dbuff[0], dbuff[1], dbuff[2]));
             }
             break;
 
         case ShooterMsgType::AddBonus:
             packet >> tmp >> dbuff[0] >> dbuff[1] >> dbuff[2];
-            EventHandler::call<void(const string&, const Vec3D&)>(
+            EventHandler::call<void(const std::string&, const Vec3D&)>(
                     Event("add_bonus"), tmp, Vec3D(dbuff[0], dbuff[1], dbuff[2]));
 
             break;
diff --git a/network/ShooterClient.h b/network/ShooterClient.h
index 0560a02..59fe3df 100644
--- a/network/ShooterClient.h
+++ b/network/ShooterClient.h
@@ -5,9 +5,11 @@
 #ifndef SHOOTER_SHOOTERCLIENT_H
 #define SHOOTER_SHOOTERCLIENT_H
 
-#include "../3dzavr/engine/network/ClientUDP.h"
-#include "../player/Player.h"
 #include <SFML/Config.hpp>
+
+#include <network/ClientUDP.h>
+
+#include "../player/Player.h"
 #include "Chat.h"
 
 class ShooterClient final : public ClientUDP {
@@ -30,9 +32,9 @@ private:
 public:
     explicit ShooterClient(std::shared_ptr<Player> player);
 
-    void sendMessage(std::string message);
+    void sendMessage(const std::string& message);
 
-    void sendChatMessage(std::string message, std::string name);
+    void sendChatMessage(const std::string& message, const std::string& name);
 
     void updatePacket() override;
 
diff --git a/network/ShooterServer.cpp b/network/ShooterServer.cpp
index 350c692..4791c5b 100644
--- a/network/ShooterServer.cpp
+++ b/network/ShooterServer.cpp
@@ -2,8 +2,9 @@
 // Created by Иван Ильин on 25.05.2021.
 //
 
+#include <utils/Log.h>
+
 #include "ShooterServer.h"
-#include "../3dzavr/engine/utils/Log.h"
 #include "ShooterMsgType.h"
 
 void ShooterServer::broadcast() {
diff --git a/network/ShooterServer.h b/network/ShooterServer.h
index b1e5e86..a619d47 100644
--- a/network/ShooterServer.h
+++ b/network/ShooterServer.h
@@ -5,7 +5,8 @@
 #ifndef SHOOTER_SHOOTERSERVER_H
 #define SHOOTER_SHOOTERSERVER_H
 
-#include "../3dzavr/engine/network/ServerUDP.h"
+#include <network/ServerUDP.h>
+
 #include "../player/Player.h"
 
 struct BonusInfo final {
diff --git a/player/Player.cpp b/player/Player.cpp
index 30e1f98..8c5f736 100644
--- a/player/Player.cpp
+++ b/player/Player.cpp
@@ -2,14 +2,14 @@
 // Created by Иван Ильин on 14.03.2021.
 //
 
-#include "Player.h"
-
 #include <utility>
-#include "../3dzavr/engine/io/Screen.h"
-#include "../3dzavr/engine/utils/Log.h"
-#include "../3dzavr/engine/animation/Animations.h"
-#include "../3dzavr/engine/utils/EventHandler.h"
 
+#include <animation/Animations.h>
+#include <utils/EventHandler.h>
+#include <utils/Log.h>
+#include <io/Screen.h>
+
+#include "Player.h"
 
 Player::Player(ObjectNameTag name, const std::string &filename, const Vec3D &scale) : RigidBody(std::move(name), filename, scale) {
     setAcceleration(Vec3D{0, -ShooterConsts::GRAVITY, 0});
diff --git a/player/Player.h b/player/Player.h
index ffc74c8..923e113 100644
--- a/player/Player.h
+++ b/player/Player.h
@@ -5,11 +5,14 @@
 #ifndef SHOOTER_PLAYER_H
 #define SHOOTER_PLAYER_H
 
-#include <SFML/Audio/Sound.hpp>
 #include <utility>
-#include "../3dzavr/engine/utils/ResourceManager.h"
-#include "../3dzavr/engine/Camera.h"
-#include "../3dzavr/engine/World.h"
+
+#include <SFML/Audio/Sound.hpp>
+
+#include <utils/ResourceManager.h>
+#include <Camera.h>
+#include <World.h>
+
 #include "../weapon/Ak47.h"
 #include "../weapon/Shotgun.h"
 #include "../weapon/Gun.h"
diff --git a/player/PlayerController.cpp b/player/PlayerController.cpp
index db8daf5..5676c2c 100644
--- a/player/PlayerController.cpp
+++ b/player/PlayerController.cpp
@@ -4,9 +4,10 @@
 
 #include <cmath>
 
+#include <animation/Animations.h>
+#include <utils/Log.h>
+
 #include "PlayerController.h"
-#include "../3dzavr/engine/utils/Log.h"
-#include "../3dzavr/engine/animation/Animations.h"
 
 PlayerController::PlayerController(std::shared_ptr<Player> player,
                                    std::shared_ptr<Keyboard> keyboard,
diff --git a/player/PlayerController.h b/player/PlayerController.h
index 5d08915..1edbe20 100644
--- a/player/PlayerController.h
+++ b/player/PlayerController.h
@@ -5,9 +5,10 @@
 #ifndef SHOOTER_PLAYERCONTROLLER_H
 #define SHOOTER_PLAYERCONTROLLER_H
 
+#include <io/Keyboard.h>
+#include <io/Mouse.h>
+
 #include "Player.h"
-#include "../3dzavr/engine/io/Keyboard.h"
-#include "../3dzavr/engine/io/Mouse.h"
 
 class PlayerController final {
 private:
diff --git a/weapon/Gun.h b/weapon/Gun.h
index 328c9f6..ce2ed92 100644
--- a/weapon/Gun.h
+++ b/weapon/Gun.h
@@ -6,7 +6,6 @@
 #define SHOOTER_GUN_H
 
 #include "Weapon.h"
-#include "../3dzavr/engine/utils/ResourceManager.h"
 #include "../ShooterConsts.h"
 
 class Gun final : public Weapon {
diff --git a/weapon/Rifle.h b/weapon/Rifle.h
index bd6efef..00db26f 100644
--- a/weapon/Rifle.h
+++ b/weapon/Rifle.h
@@ -6,7 +6,6 @@
 #define SHOOTER_RIFLE_H
 
 #include "Weapon.h"
-#include "../3dzavr/engine/utils/ResourceManager.h"
 #include "../ShooterConsts.h"
 
 class Rifle final : public Weapon {
diff --git a/weapon/Shotgun.h b/weapon/Shotgun.h
index 0bb7a4f..8a5eaa3 100644
--- a/weapon/Shotgun.h
+++ b/weapon/Shotgun.h
@@ -6,7 +6,6 @@
 #define SHOOTER_SHOTGUN_H
 
 #include "Weapon.h"
-#include "../3dzavr/engine/utils/ResourceManager.h"
 #include "../ShooterConsts.h"
 
 class Shotgun final : public Weapon {
diff --git a/weapon/Weapon.cpp b/weapon/Weapon.cpp
index 7e73fc3..1452c71 100644
--- a/weapon/Weapon.cpp
+++ b/weapon/Weapon.cpp
@@ -2,11 +2,11 @@
 // Created by Иван Ильин on 01.06.2021.
 //
 
+#include <utils/EventHandler.h>
+#include <utils/Log.h>
+
 #include "Weapon.h"
-#include "../3dzavr/engine/utils/ResourceManager.h"
-#include "../3dzavr/engine/utils/Log.h"
 #include "../ShooterConsts.h"
-#include "../3dzavr/engine/utils/EventHandler.h"
 
 using namespace std;
 
diff --git a/weapon/Weapon.h b/weapon/Weapon.h
index bd21883..50a2b93 100644
--- a/weapon/Weapon.h
+++ b/weapon/Weapon.h
@@ -5,15 +5,16 @@
 #ifndef SHOOTER_WEAPON_H
 #define SHOOTER_WEAPON_H
 
-
 #include <string>
-#include "../3dzavr/engine/World.h"
-#include "../3dzavr/engine/Camera.h"
+
 #include <SFML/Audio/Sound.hpp>
-#include "../3dzavr/engine/Mesh.h"
-#include "../3dzavr/engine/utils/Time.h"
-#include "../3dzavr/engine/io/SoundController.h"
-#include "../3dzavr/engine/Consts.h"
+
+#include <io/SoundController.h>
+#include <geometry/Mesh.h>
+#include <utils/Time.h>
+#include <Camera.h>
+#include <Consts.h>
+#include <World.h>
 
 struct FireInformation final {
     const std::map<ObjectNameTag, double> damagedPlayers;