ADD: Abstract Scenes, #closes 16

src/engine/core/scenes/Scene.cpp

@@ -0,0 +1,21 @@
+//
+// Created by sebastian on 21.04.26.
+//
+
+#include "Scene.h"
+
+void Scene::onUpdate() {
+    for (const auto& layer : layers) {
+        layer->onUpdate();
+    }
+}
+
+void Scene::onRender() {
+    for (const auto& layer : layers) {
+        layer->onRender();
+    }
+}
+
+void Scene::addLayer(std::unique_ptr<Layer> layer) {
+    layers.push_back(std::move(layer));
+}

src/engine/core/scenes/Scene.h

@@ -0,0 +1,29 @@
+//
+// Created by sebastian on 21.04.26.
+//
+
+#ifndef SCENE_H
+#define SCENE_H
+#include <memory>
+#include <vector>
+
+#include "../../layer/Layer.h"
+
+
+class Scene {
+public:
+    virtual ~Scene() = default;
+    virtual void onEnter() {} //Layer registrieren
+    virtual void onExit() {} //Aufräumen, Daten unloaden
+    void onUpdate();
+    void onRender();
+
+protected:
+    std::vector<std::unique_ptr<Layer>> layers;
+
+    void addLayer(std::unique_ptr<Layer> layer);
+};
+
+
+
+#endif //SCENE_H