pad.h

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#pragma once
 
#include <string>
 
#include <rex/bit.h>
#include <rex/types.h>
 
namespace rex::hid {
 
using rex::HasFlags;
using rex::operator|;
using rex::operator&;
using rex::operator^;
using rex::operator~;
using rex::operator|=;
using rex::operator&=;
using rex::operator^=;

enum PadButton : u16 {
  kPadDPadUp = 0x0001,
  kPadDPadDown = 0x0002,
  kPadDPadLeft = 0x0004,
  kPadDPadRight = 0x0008,
  kPadStart = 0x0010,
  kPadBack = 0x0020,
  kPadLeftThumb = 0x0040,  
  kPadRightThumb = 0x0080, 
  kPadLeftShoulder = 0x0100,
  kPadRightShoulder = 0x0200,
  kPadGuide = 0x0400,
  kPadA = 0x1000,
  kPadB = 0x2000,
  kPadX = 0x4000,
  kPadY = 0x8000,
};

struct PadState {
  u16 buttons = 0;
  u8 left_trigger = 0;  
  u8 right_trigger = 0; 
  i16 thumb_lx = 0;
  i16 thumb_ly = 0;
  i16 thumb_rx = 0;
  i16 thumb_ry = 0;
};

struct PadVibration {
  u16 left_motor = 0;  
  u16 right_motor = 0; 
};
 
struct PadCapabilities {
  u8 subtype = 0x01;   
  u16 flags = 0;       
  PadState supported;  
  PadVibration motors; 
};

struct PadKeystroke {
  u16 virtual_key = 0; 
  u16 unicode = 0;     
  u16 flags = 0;       
  u8 user = 0;         
  u8 hid_code = 0;     
};

enum class KeystrokeSource : u8 {
  kNone = 0x00,     
  kPad = 0x01,      
  kKeyboard = 0x02, 
};

enum class PadType : u8 {
  kUnknown,
  kStandard,
  kX360,
  kXOne,
  kPS3,
  kPS4,
  kPS5,
  kSwitchPro,
  kSwitchJoyCon,
};

struct PadInfo {
  PadType type = PadType::kUnknown;
  u16 vendor = 0;  
  u16 product = 0; 
};

struct PadDeviceID {
  u64 value = 0;
 
  constexpr bool operator==(const PadDeviceID&) const = default;
};

inline constexpr PadDeviceID kInvalidPadDeviceID{};

struct PadIdentity {
  i32 xinput_slot = -1; 
  u16 vendor = 0;       
  u16 product = 0;      
  std::string serial;   
};
 
struct PadDevice {
  PadDeviceID id = kInvalidPadDeviceID; 
  std::string name;
  PadInfo info;
  PadIdentity identity;
};
 
}  // namespace rex::hid
 
template <>
inline constexpr bool rex::is_flags_enum<rex::hid::KeystrokeSource> = true;