/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#ifdef OBJFWHID_LOCAL_INCLUDES
# import "OFObject.h"
# import "OFString.h"
#else
# if defined(__has_feature) && __has_feature(modules)
@import ObjFW;
# else
# import <ObjFW/OFObject.h>
# import <ObjFW/OFString.h>
# endif
#endif
OF_ASSUME_NONNULL_BEGIN
/** @file */
@class OFArray OF_GENERIC(ObjectType);
@class OFMutableSet OF_GENERIC(ObjectType);
@class OFNumber;
@class OFSet OF_GENERIC(ObjectType);
/**
* @brief A button on a controller.
*
* Possible values are:
*
* * @ref OFGameControllerNorthButton
* * @ref OFGameControllerSouthButton
* * @ref OFGameControllerWestButton
* * @ref OFGameControllerEastButton
* * @ref OFGameControllerLeftTriggerButton
* * @ref OFGameControllerRightTriggerButton
* * @ref OFGameControllerLeftShoulderButton
* * @ref OFGameControllerRightShoulderButton
* * @ref OFGameControllerLeftStickButton
* * @ref OFGameControllerRightStickButton
* * @ref OFGameControllerDPadUpButton
* * @ref OFGameControllerDPadDownButton
* * @ref OFGameControllerDPadLeftButton
* * @ref OFGameControllerDPadRightButton
* * @ref OFGameControllerStartButton
* * @ref OFGameControllerSelectButton
* * @ref OFGameControllerHomeButton
* * @ref OFGameControllerCaptureButton
* * @ref OFGameControllerAButton
* * @ref OFGameControllerBButton
* * @ref OFGameControllerCButton
* * @ref OFGameControllerXButton
* * @ref OFGameControllerYButton
* * @ref OFGameControllerZButton
* * @ref OFGameControllerCPadUpButton
* * @ref OFGameControllerCPadDownButton
* * @ref OFGameControllerCPadLeftButton
* * @ref OFGameControllerCPadRightButton
* * @ref OFGameControllerPlusButton
* * @ref OFGameControllerMinusButton
* * @ref OFGameControllerSLButton
* * @ref OFGameControllerSRButton
* * @ref OFGameControllerModeButton
*/
typedef OFConstantString *OFGameControllerButton;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief The north button on a game controller's diamond pad.
*/
extern const OFGameControllerButton OFGameControllerNorthButton;
/**
* @brief The south button on a game controller's diamond pad.
*/
extern const OFGameControllerButton OFGameControllerSouthButton;
/**
* @brief The west button on a game controller's diamond pad.
*/
extern const OFGameControllerButton OFGameControllerWestButton;
/**
* @brief The east button on a game controller's diamond pad.
*/
extern const OFGameControllerButton OFGameControllerEastButton;
/**
* @brief The left trigger button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerLeftTriggerButton;
/**
* @brief The right trigger button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerRightTriggerButton;
/**
* @brief The left shoulder button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerLeftShoulderButton;
/**
* @brief The right shoulder button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerRightShoulderButton;
/**
* @brief The left stick button (pressing the left stick) on a game controller.
*/
extern const OFGameControllerButton OFGameControllerLeftStickButton;
/**
* @brief The right stick button (pressing the right stick) on a game
* controller.
*/
extern const OFGameControllerButton OFGameControllerRightStickButton;
/**
* @brief The D-Pad Up button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerDPadUpButton;
/**
* @brief The D-Pad Down button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerDPadDownButton;
/**
* @brief The D-Pad Left button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerDPadLeftButton;
/**
* @brief The D-Pad Right button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerDPadRightButton;
/**
* @brief The Start button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerStartButton;
/**
* @brief The Select button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerSelectButton;
/**
* @brief The Home button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerHomeButton;
/**
* @brief The Capture button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerCaptureButton;
/**
* @brief The A button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerAButton;
/**
* @brief The B button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerBButton;
/**
* @brief The C button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerCButton;
/**
* @brief The X button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerXButton;
/**
* @brief The Y button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerYButton;
/**
* @brief The Z button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerZButton;
/**
* @brief The C-Pad Up button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerCPadUpButton;
/**
* @brief The C-Pad Down button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerCPadDownButton;
/**
* @brief The C-Pad Left button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerCPadLeftButton;
/**
* @brief The C-Pad Right button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerCPadRightButton;
/**
* @brief The + button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerPlusButton;
/**
* @brief The - button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerMinusButton;
/**
* @brief The SL button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerSLButton;
/**
* @brief The SR button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerSRButton;
/**
* @brief The Mode button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerModeButton;
/**
* @brief The Assistant button on a game controller.
*/
extern const OFGameControllerButton OFGameControllerAssistantButton;
#ifdef __cplusplus
}
#endif
/**
* @brief A class for reading state from a game controller.
*/
OF_SUBCLASSING_RESTRICTED
@interface OFGameController: OFObject
{
#if defined(OF_LINUX)
OFString *_path;
int _fd;
uint16_t _vendorID, _productID;
OFString *_name;
OFMutableSet *_buttons, *_pressedButtons;
bool _hasLeftAnalogStick, _hasRightAnalogStick;
bool _hasLeftTriggerPressure, _hasRightTriggerPressure;
unsigned int _leftTriggerPressureBit, _rightTriggerPressureBit;
OFPoint _leftAnalogStickPosition, _rightAnalogStickPosition;
float _leftTriggerPressure, _rightTriggerPressure;
int32_t _leftAnalogStickMinX, _leftAnalogStickMaxX;
int32_t _leftAnalogStickMinY, _leftAnalogStickMaxY;
unsigned int _rightAnalogStickXBit, _rightAnalogStickYBit;
int32_t _rightAnalogStickMinX, _rightAnalogStickMaxX;
int32_t _rightAnalogStickMinY, _rightAnalogStickMaxY;
int32_t _leftTriggerMinPressure, _leftTriggerMaxPressure;
int32_t _rightTriggerMinPressure, _rightTriggerMaxPressure;
#elif defined(OF_NINTENDO_DS)
OFMutableSet *_pressedButtons;
#elif defined(OF_NINTENDO_3DS)
OFMutableSet *_pressedButtons;
OFPoint _leftAnalogStickPosition;
#elif defined(OF_WINDOWS)
DWORD _index;
OFNumber *_Nullable _vendorID, *_Nullable productID;
OFMutableSet *_pressedButtons;
OFPoint _leftAnalogStickPosition, _rightAnalogStickPosition;
float _leftTriggerPressure, _rightTriggerPressure;
#endif
}
#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic)
OFArray <OFGameController *> *controllers;
#endif
/**
* @brief The name of the controller.
*/
@property (readonly, nonatomic, copy) OFString *name;
/**
* @brief The vendor ID of the controller or `nil` if unavailable.
*/
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFNumber *vendorID;
/**
* @brief The product ID of the controller or `nil` if unavailable.
*/
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFNumber *productID;
/**
* @brief The buttons the controller has.
*/
@property (readonly, nonatomic, copy)
OFSet OF_GENERIC(OFGameControllerButton) *buttons;
/**
* @brief The currently pressed buttons on the controller.
*/
@property (readonly, nonatomic, copy)
OFSet OF_GENERIC(OFGameControllerButton) *pressedButtons;
/**
* @brief Whether the controller has a left analog stick.
*/
@property (readonly, nonatomic) bool hasLeftAnalogStick;
/**
* @brief The position of the left analog stick.
*
* The range is from (-1, -1) to (1, 1).
*/
@property (readonly, nonatomic) OFPoint leftAnalogStickPosition;
/**
* @brief Whether the controller has a right analog stick.
*/
@property (readonly, nonatomic) bool hasRightAnalogStick;
/**
* @brief The position of the right analog stick.
*
* The range is from (-1, -1) to (1, 1).
*/
@property (readonly, nonatomic) OFPoint rightAnalogStickPosition;
/**
* @brief Returns the available controllers.
*
* @return The available controllers
*/
+ (OFArray OF_GENERIC(OFGameController *) *)controllers;
- (instancetype)init OF_UNAVAILABLE;
/**
* @brief Retrieve the current state from the game controller.
*
* The state returned by @ref OFGameController's messages does not change until
* this method is called.
*
* @throw OFReadFailedException The controller's state could not be read
*/
- (void)retrieveState;
/**
* @brief Returns how hard the specified button is pressed.
*
* The returned value is in the range from 0 to 1.
*
* @param button The button for which to return how hard it is pressed.
* @return How hard the specified button is pressed
*/
- (float)pressureForButton: (OFGameControllerButton)button;
@end
OF_ASSUME_NONNULL_END