ObjFW  Check-in [f333689336]

LIB_PATCH = ${OBJFWHID_LIB_PATCH}

SRCS = OHGameController.m		\
       OHGameControllerAxis.m		\
       OHGameControllerButton.m		\
       OHGameControllerDirectionalPad.m	\
       OHGameControllerElement.m	\
       OHGameControllerProfile.m

INCLUDES := ${SRCS:.m=.h}	\
	    ObjFWHID.h

SRCS += OHGameControllerEmulatedAxis.m		\
	OHGameControllerEmulatedButton.m

 * <https://www.gnu.org/licenses/>.
 */

#import "OHGameController.h"

OF_ASSUME_NONNULL_BEGIN

@class OHGameControllerProfile;

@interface OHEvdevGameController: OHGameController
{
	OFString *_path;
	int _fd;
	bool _discardUntilReport;
	unsigned long *_evBits, *_keyBits, *_absBits;
	uint16_t _vendorID, _productID;
	OFString *_name;
	OHGameControllerProfile *_rawProfile;
}

- (instancetype)of_initWithPath: (OFString *)path OF_METHOD_FAMILY(init);
- (void)of_pollState;
@end

OF_ASSUME_NONNULL_END

#import "OFDictionary.h"
#import "OFFileManager.h"
#import "OFLocale.h"
#import "OFNumber.h"

#import "OHGameControllerAxis.h"
#import "OHGameControllerButton.h"
#import "OHGameControllerProfile.h"

#include <sys/ioctl.h>
#include <linux/input.h>

#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"

@interface OHEvdevGameControllerAxis: OHGameControllerAxis
{
@public
	int32_t _minValue, _maxValue;
}
@end

@interface OHEvdevGameControllerProfile: OHGameControllerProfile
- (instancetype)of_initWithButtons: (OFDictionary *)buttons
			      axes: (OFDictionary *)axes OF_METHOD_FAMILY(init);
@end

static const uint16_t buttonIDs[] = {
	BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TL2,
	BTN_TR2, BTN_SELECT, BTN_START, BTN_MODE, BTN_THUMBL, BTN_THUMBR,

	if (value > max)
		value = max;

	return ((value - min) / (max - min) * 2) - 1;
}

@implementation OHEvdevGameController
@synthesize name = _name, rawProfile = _rawProfile;

+ (OFArray OF_GENERIC(OHGameController *) *)controllers
{
	OFMutableArray *controllers = [OFMutableArray array];
	void *pool = objc_autoreleasePoolPush();

	for (OFString *device in [[OFFileManager defaultManager]

					[axes setObject: axis forKey: axisName];
				}
			}
		}
		[axes makeImmutable];

		_rawProfile = [[OHEvdevGameControllerProfile alloc]
		    of_initWithButtons: buttons
				  axes: axes];

		[self of_pollState];

		objc_autoreleasePoolPop(pool);
	} @catch (id e) {

		close(_fd);

	OFFreeMemory(_evBits);
	OFFreeMemory(_keyBits);
	OFFreeMemory(_absBits);

	[_name release];
	[_rawProfile release];

	[super dealloc];
}

- (OFNumber *)vendorID
{
	return [OFNumber numberWithUnsignedShort: _vendorID];

		if (!OFBitSetIsSet(_keyBits, buttonIDs[i]))
			continue;

		name = buttonToName(buttonIDs[i]);
		if (name == nil)
			continue;

		button = [_rawProfile.buttons objectForKey: name];
		if (button == nil)
			continue;

		if (OFBitSetIsSet(keyState, buttonIDs[i]))
			button.value = 1.f;
		else
			button.value = 0.f;

				continue;

			name = axisToName(axisIDs[i]);
			if (name == nil)
				continue;

			axis = (OHEvdevGameControllerAxis *)
			    [_rawProfile.axes objectForKey: name];
			if (axis == nil)
				continue;

			if (ioctl(_fd, EVIOCGABS(axisIDs[i]), &info) == -1)
				@throw [OFReadFailedException
				    exceptionWithObject: self
					requestedLength: sizeof(info)

			}
			break;
		case EV_KEY:
			name = buttonToName(event.code);
			if (name == nil)
				continue;

			button = [_rawProfile.buttons objectForKey: name];
			if (button == nil)
				continue;

			if (event.value)
				button.value = 1.f;
			else
				button.value = 0.f;

			break;
		case EV_ABS:
			name = axisToName(event.code);
			if (name == nil)
				continue;

			axis = (OHEvdevGameControllerAxis *)
			    [_rawProfile.axes objectForKey: name];
			if (axis == nil)
				continue;

			axis.value = scale(event.value,
			   axis->_minValue, axis->_maxValue);

			break;

	return OFOrderedSame;
}
@end

@implementation OHEvdevGameControllerAxis
@end

@implementation OHEvdevGameControllerProfile
- (instancetype)of_initWithButtons: (OFDictionary *)buttons
			      axes: (OFDictionary *)axes
{
	self = [super init];

	@try {
		_buttons = [buttons retain];

# endif
#endif

OF_ASSUME_NONNULL_BEGIN

@class OFArray OF_GENERIC(ObjectType);
@class OFNumber;
@class OHGameControllerProfile;

/**
 * @class OHGameController OHGameController.h ObjFWHID/OHGameController.h
 *
 * @brief A class for reading state from a game controller.
 */
@interface OHGameController: OFObject
{
	OF_RESERVE_IVARS(OHGameController, 4)
}

#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic)
    OFArray <OHGameController *> *controllers;
#endif

/**
 * @brief The name of the controller.

/**
 * @brief The product ID of the controller or `nil` if unavailable.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFNumber *productID;

/**
 * @brief The raw profile for the game controller, meaning no remapping is
 *	  being performed.
 */
@property (readonly, nonatomic) OHGameControllerProfile *rawProfile;

/**
 * @brief Returns the available controllers.
 *
 * @return The available controllers
 */
+ (OFArray OF_GENERIC(OHGameController *) *)controllers;

#import "OFSet.h"

#if defined(OF_LINUX) && defined(OF_HAVE_FILES)
# include "OHEvdevGameController.h"
#endif

@implementation OHGameController
@dynamic name, rawProfile;

+ (OFArray OF_GENERIC(OHGameController *) *)controllers
{
#if defined(OF_LINUX) && defined(OF_HAVE_FILES)
	return [OHEvdevGameController controllers];
#else
	return [OFArray array];

@class OFDictionary OF_GENERIC(KeyType, ObjectType);
@class OHGameControllerAxis;
@class OHGameControllerButton;
@class OHGameControllerDirectionalPad;

/**
 * @class OHGameControllerProfile \
 *	  OHGameControllerProfile.h ObjFWHID/OHGameControllerProfile.h
 *
 * @brief A profile for a @ref OHGameController.
 */
@interface OHGameControllerProfile: OFObject
{
	OFDictionary OF_GENERIC(OFString *, OHGameControllerButton *) *_buttons;
	OFDictionary OF_GENERIC(OFString *, OHGameControllerAxis *) *_axes;
	OFDictionary OF_GENERIC(OFString *, OHGameControllerDirectionalPad *)
	    *_directionalPads;
	OF_RESERVE_IVARS(OHGameControllerProfile, 4)
}

/**
 * @brief A map of all button names to their @ref OHGameControllerButton.
 */
@property (readonly, nonatomic)
    OFDictionary OF_GENERIC(OFString *, OHGameControllerButton *) *buttons;

 * 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/>.
 */

#include "config.h"

#import "OHGameControllerProfile.h"
#import "OFDictionary.h"

@implementation OHGameControllerProfile: OFObject
@synthesize buttons = _buttons, axes = _axes;
@synthesize directionalPads = _directionalPads;

- (void)dealloc
{
	[_buttons release];
	[_axes release];

#import "OFThread.h"
#import "OFValue.h"

#import "OTTestCase.h"

#import "OHGameController.h"
#import "OHGameControllerButton.h"
#import "OHGameControllerProfile.h"

#import "OTAssertionFailedException.h"
#import "OTTestSkippedException.h"

#ifdef OF_IOS
# include <CoreFoundation/CoreFoundation.h>
#endif

		[OFStdOut writeLine: @"Press A to continue"];

		for (;;) {
			void *pool = objc_autoreleasePoolPush();
			OHGameController *controller =
			    [[OHGameController controllers] objectAtIndex: 0];
			OHGameControllerButton *button =

			    [controller.rawProfile.buttons objectForKey: @"A"];

			[controller retrieveState];

			if (button.pressed)
				break;

			[OFThread waitForVerticalBlank];

	for (;;) {
		void *pool = objc_autoreleasePoolPush();
		OHGameController *controller =
		    [[OHGameController controllers] objectAtIndex: 0];
		OHGameControllerButton *button =
# ifdef OF_WII
		    [controller.rawProfile.buttons objectForKey: @"Home"];
# else
		    [controller.rawProfile.buttons objectForKey: @"Start"];
# endif

		[controller retrieveState];

		if (button.pressed)
			break;

#import "OFNumber.h"
#import "OFStdIOStream.h"
#import "OFThread.h"

#import "OHGameController.h"
#import "OHGameControllerAxis.h"
#import "OHGameControllerButton.h"
#import "OHGameControllerProfile.h"

#import "OFReadFailedException.h"

#if defined(OF_NINTENDO_DS)
static size_t buttonsPerLine = 2;
#elif defined(OF_NINTENDO_3DS)
static size_t buttonsPerLine = 3;

			[OFStdOut clear];
		}

		[OFStdOut setCursorPosition: OFMakePoint(0, 0)];

		for (OHGameController *controller in _controllers) {
			OHGameControllerProfile *profile =
			    controller.rawProfile;
			OFArray OF_GENERIC(OFString *) *buttons =
			    profile.buttons.allKeys.sortedArray;
			OFArray OF_GENERIC(OFString *) *axes =
			    profile.axes.allKeys.sortedArray;
			size_t i;

			[OFStdOut setForegroundColor: [OFColor green]];
			[OFStdOut writeString: controller.description];

			@try {
				[controller retrieveState];
			} @catch (OFReadFailedException *e) {
				[OFStdOut setForegroundColor: [OFColor red]];
				[OFStdOut writeFormat: @"\n%@", e.description];
				continue;
			}

			i = 0;
			for (OFString *name in buttons) {
				OHGameControllerButton *button =
				    [profile.buttons objectForKey: name];

				if (i == 0)
					[OFStdOut writeString: @"\n"];

				if (button.value == 1)
					[OFStdOut setForegroundColor:
					    [OFColor red]];

			}
			[OFStdOut setForegroundColor: [OFColor gray]];
			[OFStdOut writeString: @"\n"];

			i = 0;
			for (OFString *name in axes) {
				OHGameControllerAxis *axis =
				    [profile.axes objectForKey: name];

				if (i == 0)
					[OFStdOut writeString: @"\n"];

				[OFStdOut writeFormat: @"%@: %5.2f ",
						       name, axis.value];