From a76180aaf4e38a1623a93586800e0f3e54d58c1b Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Sun, 23 Aug 2026 17:21:37 +0200
Subject: feat: complete RHI api

---
 src/core/application.h | 53 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 37 insertions(+), 16 deletions(-)

(limited to 'src/core/application.h')

diff --git a/src/core/application.h b/src/core/application.h
index f2b5656..84cc600 100644
--- a/src/core/application.h
+++ b/src/core/application.h
@@ -1,13 +1,17 @@
 #pragma once
 
-#include "state_manager.h"
 #include "memory.h"
 #include "window.h"
 #include "event.h"
 #include "log.h"
+#include "camera.h"
 
-#include "engine/engine.h"
-#include "rendering/renderer_backend.h"
+#include "rendering/rhi.h"
+#include "rendering/scene_renderer.h"
+#include "rendering/black_hole_renderer.h"
+
+#include <string>
+#include <vector>
 
 namespace Donut
 {
@@ -21,33 +25,50 @@ namespace Donut
         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;      }
+        auto get_window() -> Window&      { return *m_window;   }
+        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_ui() -> void;
         auto build_scene_ui() -> void;
 
+        auto process_input() -> void;
+        auto set_free_fly(bool enabled) -> void;
+        auto reset_camera() -> void;
+        auto set_hdri(const std::string& path) -> void;
+
+        auto render_frame() -> void;
+
     private:
-        Scope<StateManager> m_state_manager;
         Scope<Window> m_window;
-        Scope<Engine> m_engine;
-        Scope<RendererBackend> m_renderer;
+
+        Scope<RHI::Device>        m_device;
+        Scope<SceneRenderer>      m_scene_renderer;
+        Scope<BlackHoleRenderer>  m_black_hole_renderer;
+        Ref<RHI::Texture>         m_cubemap;
+
+        Camera m_camera{ 60.0f, 16.0f / 9.0f, 0.1f, 100.0f };
+        Camera m_scene_camera{ 45.0f, 16.0f / 9.0f, 0.1f, 1000.0f };
+
+        BlackHoleParams m_bh_params;
+        std::vector<SceneObject> m_scene_objects{ SceneObject{} };
+        int  m_selected_object = 0;
+        bool m_scene_mode = false;
+        std::string m_hdri_path;
+
+        bool   m_left_was_down = false;
+        double m_fps_last_x = 0.0, m_fps_last_y = 0.0;
+        double m_last_frame_time = 0.0;
+        double m_start_time = 0.0;
+        bool   m_user_moving = false;
 
         bool m_running;
         bool m_minimized;
 
-        float m_delta_time = 0.0f;
-        float m_last_frame = 0.0f;
-
         static Application* s_instance;
     };
 }
-- 
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