add: application run loop + logging

1 files changed, 48 insertions, 0 deletions

diff --git a/src/core/application.h b/src/core/application.h
new file mode 100644
index 0000000..1e4a08d
--- /dev/null
+++ b/src/core/application.h
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+
+namespace Hsdbg
+{
+    struct ApplicationSpec
+    {
+        std::string name = "hsdbg";
+        uint32_t width = 1600;
+        uint32_t height = 900;
+    };
+
+    class Application
+    {
+    public:
+        explicit Application(const ApplicationSpec& spec);
+        ~Application();
+
+        Application(const Application&) = delete;
+        Application(Application&&) = delete;
+        auto operator=(const Application&) -> Application& = delete;
+        auto operator=(Application&&) -> Application& = delete;
+
+        static auto get() -> Application&;
+
+        auto run() -> void;
+        auto close() -> void;
+
+        auto spec() const -> const ApplicationSpec& { return m_spec; }
+        auto is_running() const -> bool { return m_running; }
+        auto delta_time() const -> float { return m_delta_time; }
+        auto time() const -> float { return m_time; }
+        auto frame_count() const -> uint64_t { return m_frame_count; }
+
+    private:
+        auto update() -> void;
+
+        static Application* s_instance;
+
+        ApplicationSpec m_spec;
+        bool m_running = false;
+        float m_delta_time = 0.0f;
+        float m_time = 0.0f;
+        uint64_t m_frame_count = 0;
+    };
+}