feat: rename engine.h to core.h + remove main.cpp file including in cmake

engine/src/renderer/core.cpp

@@ -0,0 +1,42 @@
+#include <memory>
+
+#include "engine/renderer/core.h"
+#include "engine/window/event.h"
+
+#include "engine/renderer/wavefront.h"
+
+std::unique_ptr<IApplication> Engine::s_app = nullptr;
+std::shared_ptr<Window> Engine::s_window = nullptr;
+bool Engine::s_running = false;
+
+void Engine::Run(std::unique_ptr<IApplication> app) {
+    s_app = std::move(app);
+    s_window = Window::GetInstance();
+    s_running = true;
+
+    s_app->OnInit();
+
+    s_window->Subscribe<WindowCloseRequested>([](const WindowCloseRequested& e) {
+        Engine::s_running = false;
+    });
+
+    s_window->Subscribe<WindowResized>([](const WindowResized& e) {
+        Engine::s_app->OnWindowResized(e);
+    });
+
+    while (s_running) {
+        s_window->ProcessEvents();
+
+        s_app->OnUpdate();
+
+        s_app->OnRender();
+
+        s_window->SwapBuffers();
+    }
+
+    s_app->OnShutdown();
+
+    s_window->Destroy();
+    s_app.reset();
+}
+