some work on pad emulation (WIP)

src/Emulator/HLE/Libraries/LibPad/controller.h

@@ -0,0 +1,33 @@
+#pragma once
+#include <types.h>
+#include "Lib/Threads.h"
+
+namespace Emulator::Host::Controller {
+struct State {
+    u32 buttonsState;
+};
+
+constexpr u32 MAX_STATES = 64;
+
+class GameController {
+  public:
+    GameController();
+    virtual ~GameController() = default;
+
+    void readState(State* state, bool* isConnected, int* connectedCount);
+    State getLastState() const;
+    void checKButton(int id, u32 button, bool isPressed);
+    void addState(const State& state);
+
+
+  private:
+    Lib::Mutex m_mutex;
+    bool m_connected = false;
+    State m_last_state;
+    int m_connected_count = 0;
+    u32 m_states_num = 0;
+    u32 m_first_state = 0;
+    State m_states[MAX_STATES];
+};
+
+}  // namespace Emulator::HLE::Libraries::Controller