sdl3_input_backend.h

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#ifndef YAZE_APP_EMU_INPUT_SDL3_INPUT_BACKEND_H_
#define YAZE_APP_EMU_INPUT_SDL3_INPUT_BACKEND_H_
 
#include "app/emu/input/input_backend.h"
#include "app/platform/sdl_compat.h"
 
namespace yaze {
namespace emu {
namespace input {
 
class SDL3InputBackend : public IInputBackend {
 public:
  SDL3InputBackend();
  ~SDL3InputBackend() override;
 
  // IInputBackend interface
  bool Initialize(const InputConfig& config) override;
  void Shutdown() override;
  ControllerState Poll(int player = 1) override;
  void ProcessEvent(void* event) override;
  InputConfig GetConfig() const override;
  void SetConfig(const InputConfig& config) override;
  std::string GetBackendName() const override;
  bool IsInitialized() const override;
 
 private:
  void UpdateEventState(int keycode, bool pressed);
 
  void PollGamepad(ControllerState& state, int player);
 
  void HandleGamepadEvent(const SDL_Event& event);
 
  InputConfig config_;
  bool initialized_ = false;
  ControllerState event_state_;  // Cached state for event-based mode
 
  // Gamepad handles for up to 4 players
  platform::GamepadHandle gamepads_[4] = {nullptr, nullptr, nullptr, nullptr};
 
  // Axis deadzone for analog sticks
  static constexpr int16_t kAxisDeadzone = 8000;
};
 
}  // namespace input
}  // namespace emu
}  // namespace yaze
 
#endif  // YAZE_APP_EMU_INPUT_SDL3_INPUT_BACKEND_H_