Feature/rb 40 scene manager class

src/Client/CMakeLists.txt

@@ -9,7 +9,7 @@ target_include_directories(
 target_sources(
     ${PROJECT_NAME_CLIENT}
     PRIVATE
-    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/SceneManager.cpp
 )
 
 add_subdirectory(Systems)

src/Client/SceneManager.cpp

@@ -0,0 +1,90 @@
+/*
+** EPITECH PROJECT, 2023
+** R-Bus
+** File description:
+** SceneManager implementation
+*/
+
+#include "SceneManager.hpp"
+#include "raylib.h"
+#include "ClientSystems.hpp"
+#include "Registry.hpp"
+#include "SystemManagersDirector.hpp"
+
+constexpr int screenWidth  = 1920;
+constexpr int screenHeight = 1080;
+constexpr int fps          = 60;
+
+// NOLINTBEGIN(cppcoreguidelines-avoid-non-const-global-variables)
+bool SceneManager::_init             = false;
+SceneManager SceneManager::_instance = SceneManager();
+// NOLINTEND(cppcoreguidelines-avoid-non-const-global-variables)
+
+static void initRaylib()
+{
+    InitWindow(screenWidth, screenHeight, "R-Bus");
+    SetTargetFPS(fps);
+    InitAudioDevice();
+}
+
+static void initSystemManagers()
+{
+    auto &director = Systems::SystemManagersDirector::getInstance();
+
+    for (auto systems : Systems::getSystemsGroups()) {
+        director.addSystemManager(systems);
+    }
+    initRaylib();
+}
+
+SceneManager &SceneManager::getInstance()
+{
+    if (!_init) {
+        _init = true;
+        initSystemManagers();
+    }
+    return _instance;
+}
+
+SceneManager::SceneManager() : _currentScene(Scene::MAIN_GAME), _stop(false)
+{
+}
+
+static void destroyRaylib()
+{
+    CloseAudioDevice();
+    CloseWindow();
+}
+
+int SceneManager::run()
+{
+    auto &director = Systems::SystemManagersDirector::getInstance();
+
+    try {
+        while (!_stop && !WindowShouldClose()) {
+            BeginDrawing();
+            ClearBackground(RAYWHITE);
+            auto scene = _scenes.at(_currentScene);
+            for (auto &systemManager : scene) {
+                director.getSystemManager(systemManager).updateSystems();
+            }
+            EndDrawing();
+        }
+        destroyRaylib();
+    } catch (std::exception &e) {
+        std::cout << e.what() << std::endl;
+        return ReturnValue::ERROR;
+    }
+    return ReturnValue::OK;
+}
+
+void SceneManager::changeScene(Scene scene)
+{
+    _currentScene = scene;
+    Registry::getInstance().clear();
+}
+
+void SceneManager::stop()
+{
+    _stop = true;
+}

src/Client/SceneManager.hpp

@@ -0,0 +1,43 @@
+/*
+** EPITECH PROJECT, 2023
+** R-Bus
+** File description:
+** SceneManager
+*/
+
+#pragma once
+
+#include <array>
+#include <cstddef>
+#include <functional>
+#include <optional>
+#include <vector>
+
+enum ReturnValue { OK = 0, ERROR = 84 };
+
+enum Scene { MAIN_GAME, MENU, SCENE_MAX };
+
+enum SystemManagers { GAME, EVENTS, DISPLAY, MANAGER_MAX };
+
+class SceneManager {
+    public:
+        static SceneManager &getInstance();
+        int run();
+        void changeScene(Scene scene);
+        void stop();
+
+    private:
+        SceneManager();
+
+        Scene _currentScene;
+        bool _stop;
+        const std::array<std::vector<SystemManagers>, 2> _scenes = {
+            std::vector<SystemManagers> {EVENTS, GAME, DISPLAY},
+            std::vector<SystemManagers> {EVENTS,      DISPLAY    }
+        };
+
+        // NOLINTBEGIN(cppcoreguidelines-avoid-non-const-global-variables)
+        static bool _init;
+        static SceneManager _instance;
+        // NOLINTEND(cppcoreguidelines-avoid-non-const-global-variables)
+};

src/Client/Systems/CMakeLists.txt

@@ -11,3 +11,6 @@ target_sources(
     PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/ClientSystems.cpp
 )
+
+add_subdirectory(Graphic)
+add_subdirectory(Events)