Major refactoring: State, mouse and more...

src/state.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "vmath.h"
+#include <memory>
+
+namespace VISEQ::APP{
+
+	struct AppSettings{
+		int mode = 0;
+		int width;
+		int height;
+		float grid;
+		float bpm;
+		float fps;
+		float speed = 16.0f;
+		int gui_selected_midi_out;
+	};
+	NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(AppSettings, mode, width, height, grid, bpm, fps, speed, gui_selected_midi_out)
+
+	class State{
+		public:
+			State(){}
+			State(State &state) = delete;
+			void operator=(const State &) = delete;
+			
+			AppSettings settings;
+			Vec2Df raw_mouse;
+			Vec2Df mod_mouse;
+
+			inline static std::shared_ptr<State> instance;
+			static std::shared_ptr<State> get() {
+				if(!instance){
+					instance.reset(new State());
+				}
+				return instance;
+			}
+	};
+}