Gamepad.h

/*
 * Gamedev Framework (gf)
 * Copyright (C) 2016-2021 Julien Bernard
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */
#ifndef GF_GAMEPAD_H
#define GF_GAMEPAD_H

#include <cstdint>
#include <vector>

#include "GraphicsApi.h"

namespace gf {
#ifndef DOXYGEN_SHOULD_SKIP_THIS
inline namespace v1 {
#endif

  enum class GamepadButton {
    Invalid,      
    A,            
    B,            
    X,            
    Y,            
    Back,         
    Guide,        
    Start,        
    LeftStick,    
    RightStick,   
    LeftBumper,   
    RightBumper,  
    DPadUp,       
    DPadDown,     
    DPadLeft,     
    DPadRight,    
  };

  enum class GamepadAxis {
    Invalid,      
    LeftX,        
    LeftY,        
    RightX,       
    RightY,       
    TriggerLeft,  
    TriggerRight, 
  };

  enum class GamepadAxisDirection {
    Positive, 
    Negative, 
  };


  enum class GamepadHwId : int
  #ifdef DOXYGEN_SHOULD_SKIP_THIS
  {
  }
  #endif
  ;

  enum class GamepadId : int32_t
  #ifdef DOXYGEN_SHOULD_SKIP_THIS
  {
  }
  #endif
  ;

  constexpr GamepadId AnyGamepad = static_cast<GamepadId>(INT32_C(-1));

  class GF_GRAPHICS_API Gamepad {
  public:
    static const char *getAxisName(GamepadAxis axis);

    static const char *getButtonName(GamepadButton button);

    static GamepadId open(GamepadHwId hwid);

    static bool isAttached(GamepadId id);

    static void close(GamepadId id);

    static const char *getName(GamepadId id);

    static void initialize();

    Gamepad() = delete;
  };


  struct Event;

  class GF_GRAPHICS_API GamepadTracker {
  public:
    GamepadTracker();

    std::size_t getConnectedGamepadCount() const;

    void processEvent(const Event& event);

  private:
    std::vector<GamepadId> m_ids;
  };

#ifndef DOXYGEN_SHOULD_SKIP_THIS
}
#endif
}

#endif // GF_GAMEPAD_H