1 files changed, 53 insertions, 0 deletions
diff --git a/src/core/application.h b/src/core/application.h
new file mode 100644
index 0000000..06c4e94
--- /dev/null
+++ b/src/core/application.h
@@ -0,0 +1,53 @@
+#pragma once
+
+#include "state_manager.h"
+#include "memory.h"
+#include "window.h"
+#include "event.h"
+#include "log.h"
+
+#include "engine/engine.h"
+
+namespace Donut
+{
+    class VulkanRenderer; // live-window Vulkan backend (platform/vulkan)
+
+    class Application
+    {
+    public:
+        Application(const std::string& name = "Donut",
+                    int width = 1280, int height = 720);
+        ~Application();
+
+        auto run() -> void;
+        auto close() -> void;
+
+        auto get_window() -> Window&             { return *m_window;        }
+        auto get_state_manager() -> StateManager& { return *m_state_manager; }
+        auto get_engine() -> Engine&             { return *m_engine;        }
+        static auto get() -> Application&         { return *s_instance;      }
+
+    private:
+        auto on_init() -> void;
+        auto on_shutdown() -> void;
+        auto on_update() -> void;
+        auto on_render() -> void;
+        auto on_event(Event& event) -> void;
+        auto setup_docking_layout() -> void;
+        auto build_vulkan_ui() -> void; // ImGui UI built each frame on the Vulkan path
+
+    private:
+        Scope<StateManager> m_state_manager;
+        Scope<Window> m_window;
+        Scope<Engine> m_engine;
+        Scope<VulkanRenderer> m_vulkan_renderer; // non-null only when the Vulkan API is selected
+
+        bool m_running;
+        bool m_minimized;
+
+        float m_delta_time = 0.0f;
+        float m_last_frame = 0.0f;
+
+        static Application* s_instance;
+    };
+}