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1362906f94
Ensures there's only one joystick manager, which is shared by all machines, with input going only to the key window.
81 lines
2.3 KiB
Objective-C
81 lines
2.3 KiB
Objective-C
//
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// CSJoystickManager.h
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// Clock Signal
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//
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// Created by Thomas Harte on 19/07/2018.
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// Copyright © 2018 Thomas Harte. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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/*!
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Models a single joystick button.
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Buttons have an index and are either currently pressed, or not.
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*/
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@interface CSJoystickButton: NSObject
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/// The button index. By convention the USB spec defines the first button as number 1.
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@property(nonatomic, readonly) NSInteger index;
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@property(nonatomic, readonly) bool isPressed;
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@end
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typedef NS_ENUM(NSInteger, CSJoystickAxisType) {
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CSJoystickAxisTypeX,
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CSJoystickAxisTypeY,
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CSJoystickAxisTypeZ,
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};
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/*!
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Models a joystick axis.
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Axes have a nominated type and a continuous value between 0 and 1.
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*/
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@interface CSJoystickAxis: NSObject
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@property(nonatomic, readonly) CSJoystickAxisType type;
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/// The current position of this axis in the range [0, 1].
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@property(nonatomic, readonly) float position;
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@end
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typedef NS_OPTIONS(NSInteger, CSJoystickHatDirection) {
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CSJoystickHatDirectionUp = 1 << 0,
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CSJoystickHatDirectionDown = 1 << 1,
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CSJoystickHatDirectionLeft = 1 << 2,
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CSJoystickHatDirectionRight = 1 << 3,
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};
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/*!
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Models a joystick hat.
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A hat is a digital directional input, so e.g. this is how thumbpads are represented.
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*/
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@interface CSJoystickHat: NSObject
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@property(nonatomic, readonly) CSJoystickHatDirection direction;
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@end
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/*!
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Models a joystick.
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A joystick is a collection of buttons, axes and hats, each of which holds a current
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state. The holder must use @c update to cause this joystick to read a fresh copy
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of its state.
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*/
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@interface CSJoystick: NSObject
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@property(nonatomic, readonly) NSArray<CSJoystickButton *> *buttons;
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@property(nonatomic, readonly) NSArray<CSJoystickAxis *> *axes;
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@property(nonatomic, readonly) NSArray<CSJoystickHat *> *hats;
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- (void)update;
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@end
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/*!
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The joystick manager watches for joystick connections and disconnections and
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offers a list of joysticks currently attached.
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Be warned: this means using Apple's IOKit directly to watch for Bluetooth and
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USB HID devices. So to use this code, make sure you have USB and Bluetooth
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enabled for the app's sandbox.
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*/
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@interface CSJoystickManager : NSObject
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@property(nonatomic, readonly) NSArray<CSJoystick *> *joysticks;
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/// Updates all joysticks.
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- (void)update;
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@end
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