19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#import "OFEvdevGameController.h"
#import "OFArray.h"
#import "OFFileManager.h"
#import "OFLocale.h"
#import "OFNumber.h"
#import "OFSet.h"
#include <sys/ioctl.h>
#include <linux/input.h>
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
/*
* Controllers with tested correct mapping:
*
* Microsoft X-Box 360 pad [045E:028E]
* Joy-Con (L) [057E:2006]
* Joy-Con (R) [057E:2007]
* N64 Controller [057E:2019]
* Sony Interactive Entertainment DualSense Wireless Controller [054C:0CE6]
* 8BitDo Pro 2 Wired Controller [2DC8:3106]
* Stadia2SZY-0d6c [18D1:9400]
* Wireless Controller [054C:09CC]
*/
static const uint16_t vendorIDMicrosoft = 0x045E;
static const uint16_t vendorIDNintendo = 0x057E;
static const uint16_t vendorIDSony = 0x054C;
static const uint16_t vendorIDGoogle = 0x18D1;
/* Microsoft controllers */
static const uint16_t productIDXbox360 = 0x028E;
/* Nintendo controllers */
static const uint16_t productIDLeftJoyCon = 0x2006;
static const uint16_t productIDRightJoyCon = 0x2007;
static const uint16_t productIDN64Controller = 0x2019;
/* Sony controllers */
static const uint16_t productIDDualSense = 0x0CE6;
static const uint16_t productIDDualShock4 = 0x09CC;
/* Google controllers */
static const uint16_t productIDStadia = 0x9400;
static const uint16_t buttons[] = {
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,
BTN_DPAD_UP, BTN_DPAD_DOWN, BTN_DPAD_LEFT, BTN_DPAD_RIGHT,
BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2
};
static OFGameControllerButton
buttonToName(uint16_t button, uint16_t vendorID, uint16_t productID)
{
if (vendorID == vendorIDNintendo &&
productID == productIDLeftJoyCon) {
switch (button) {
case BTN_DPAD_RIGHT:
return OFGameControllerNorthButton;
case BTN_DPAD_LEFT:
return OFGameControllerSouthButton;
case BTN_DPAD_UP:
return OFGameControllerWestButton;
case BTN_DPAD_DOWN:
return OFGameControllerEastButton;
case BTN_Z:
return OFGameControllerCaptureButton;
case BTN_TR:
return @"SL";
case BTN_TR2:
return @"SR";
}
} else if (vendorID == vendorIDNintendo &&
productID == productIDRightJoyCon) {
switch (button) {
case BTN_WEST:
return OFGameControllerNorthButton;
case BTN_EAST:
return OFGameControllerSouthButton;
case BTN_SOUTH:
return OFGameControllerWestButton;
case BTN_NORTH:
return OFGameControllerEastButton;
case BTN_TL:
return @"SL";
case BTN_TL2:
return @"SR";
}
} else if (vendorID == vendorIDNintendo &&
productID == productIDN64Controller) {
switch (button) {
case BTN_B:
return OFGameControllerWestButton;
case BTN_SELECT:
return @"_C-Pad Up";
case BTN_X:
return @"_C-Pad Down";
case BTN_Y:
return @"_C-Pad Left";
case BTN_C:
return @"_C-Pad Right";
case BTN_Z:
return OFGameControllerCaptureButton;
}
} else if (vendorID == vendorIDSony &&
(productID == productIDDualSense ||
productID == productIDDualShock4)) {
switch (button) {
case BTN_NORTH:
return OFGameControllerNorthButton;
case BTN_WEST:
return OFGameControllerWestButton;
}
} else if (vendorID == vendorIDGoogle && productID == productIDStadia) {
switch (button) {
case BTN_TRIGGER_HAPPY1:
return @"Assistant";
case BTN_TRIGGER_HAPPY2:
return OFGameControllerCaptureButton;
}
}
switch (button) {
case BTN_Y:
return OFGameControllerNorthButton;
case BTN_A:
return OFGameControllerSouthButton;
case BTN_X:
return OFGameControllerWestButton;
case BTN_B:
return OFGameControllerEastButton;
case BTN_TL2:
return OFGameControllerLeftTriggerButton;
case BTN_TR2:
return OFGameControllerRightTriggerButton;
case BTN_TL:
return OFGameControllerLeftShoulderButton;
case BTN_TR:
return OFGameControllerRightShoulderButton;
case BTN_THUMBL:
return OFGameControllerLeftStickButton;
case BTN_THUMBR:
return OFGameControllerRightStickButton;
case BTN_DPAD_UP:
return OFGameControllerDPadUpButton;
case BTN_DPAD_DOWN:
return OFGameControllerDPadDownButton;
case BTN_DPAD_LEFT:
return OFGameControllerDPadLeftButton;
case BTN_DPAD_RIGHT:
return OFGameControllerDPadRightButton;
case BTN_START:
return OFGameControllerStartButton;
case BTN_SELECT:
return OFGameControllerSelectButton;
case BTN_MODE:
return OFGameControllerHomeButton;
}
return nil;
}
static float
scale(float value, float min, float max)
{
if (value < min)
value = min;
if (value > max)
value = max;
return ((value - min) / (max - min) * 2) - 1;
}
static bool
emulateRightAnalogStick(uint16_t vendorID, uint16_t productID,
OFMutableSet *pressedButtons, OFPoint *rightAnalogStickPosition)
{
if (vendorID == vendorIDNintendo &&
productID == productIDN64Controller) {
if ([pressedButtons containsObject: @"_C-Pad Left"] &&
[pressedButtons containsObject: @"_C-Pad Right"])
rightAnalogStickPosition->x = -0.f;
else if ([pressedButtons containsObject: @"_C-Pad Left"])
rightAnalogStickPosition->x = -1.f;
else if ([pressedButtons containsObject: @"_C-Pad Right"])
rightAnalogStickPosition->x = 1.f;
else
rightAnalogStickPosition->x = 0.f;
if ([pressedButtons containsObject: @"_C-Pad Up"] &&
[pressedButtons containsObject: @"_C-Pad Down"])
rightAnalogStickPosition->y = -0.f;
else if ([pressedButtons containsObject: @"_C-Pad Up"])
rightAnalogStickPosition->y = -1.f;
else if ([pressedButtons containsObject: @"_C-Pad Down"])
rightAnalogStickPosition->y = 1.f;
else
rightAnalogStickPosition->y = 0.f;
return true;
}
return false;
}
OFEvdevGameController
@synthesize name = _name, buttons = _buttons;
@synthesize hasLeftAnalogStick = _hasLeftAnalogStick;
@synthesize hasRightAnalogStick = _hasRightAnalogStick;
@synthesize rightAnalogStickPosition = _rightAnalogStickPosition;
+ (OFArray OF_GENERIC(OFGameController *) *)controllers
{
OFMutableArray *controllers = [OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
for (OFString *device in [[OFFileManager defaultManager]
contentsOfDirectoryAtPath: @"/dev/input"]) {
OFString *path;
OFGameController *controller;
if (![device hasPrefix: @"event"])
continue;
path = [@"/dev/input" stringByAppendingPathComponent: device];
@try {
controller = [[[OFEvdevGameController alloc]
of_initWithPath: path] autorelease];
} @catch (OFOpenItemFailedException *e) {
if (e.errNo == EACCES)
continue;
@throw e;
} @catch (OFInvalidArgumentException *e) {
|
|
>
|
>
<
<
<
<
<
<
|
<
<
<
<
<
|
<
<
<
<
|
<
<
>
|
|
<
<
<
|
<
<
|
<
<
|
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
<
<
|
|
|
|
|
|
|
|
|
>
>
|
|
>
>
|
>
>
|
|
|
<
|
>
|
|
|
|
|
|
|
|
|
|
|
>
>
>
>
>
>
|
|
|
<
>
|
|
|
|
|
|
|
|
|
|
|
>
>
>
>
>
>
|
|
|
|
<
|
>
|
|
|
>
|
|
|
|
<
|
|
>
>
>
>
>
>
|
|
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
>
>
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
<
<
<
<
<
|
<
<
<
<
<
<
|
|
<
<
|
<
<
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
>
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
|
<
<
<
|
|
|
|
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#import "HIDEvdevGameController.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFFileManager.h"
#import "OFLocale.h"
#import "OFNumber.h"
#import "HIDGameControllerAxis.h"
#import "HIDGameControllerButton.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 HIDEvdevGameControllerAxis: HIDGameControllerAxis
{
@public
int32_t _minValue, _maxValue;
}
@end
@implementation HIDEvdevGameControllerAxis
@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,
BTN_DPAD_UP, BTN_DPAD_DOWN, BTN_DPAD_LEFT, BTN_DPAD_RIGHT,
BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2, BTN_TRIGGER_HAPPY3,
BTN_TRIGGER_HAPPY4, BTN_TRIGGER_HAPPY5, BTN_TRIGGER_HAPPY6,
BTN_TRIGGER_HAPPY7, BTN_TRIGGER_HAPPY8, BTN_TRIGGER_HAPPY9,
BTN_TRIGGER_HAPPY10, BTN_TRIGGER_HAPPY11, BTN_TRIGGER_HAPPY12,
BTN_TRIGGER_HAPPY13, BTN_TRIGGER_HAPPY14, BTN_TRIGGER_HAPPY15,
BTN_TRIGGER_HAPPY16, BTN_TRIGGER_HAPPY17, BTN_TRIGGER_HAPPY18,
BTN_TRIGGER_HAPPY19, BTN_TRIGGER_HAPPY20, BTN_TRIGGER_HAPPY21,
BTN_TRIGGER_HAPPY22, BTN_TRIGGER_HAPPY23, BTN_TRIGGER_HAPPY24,
BTN_TRIGGER_HAPPY25, BTN_TRIGGER_HAPPY26, BTN_TRIGGER_HAPPY27,
BTN_TRIGGER_HAPPY28, BTN_TRIGGER_HAPPY29, BTN_TRIGGER_HAPPY30,
BTN_TRIGGER_HAPPY31, BTN_TRIGGER_HAPPY32, BTN_TRIGGER_HAPPY33,
BTN_TRIGGER_HAPPY34, BTN_TRIGGER_HAPPY35, BTN_TRIGGER_HAPPY36,
BTN_TRIGGER_HAPPY37, BTN_TRIGGER_HAPPY38, BTN_TRIGGER_HAPPY39,
BTN_TRIGGER_HAPPY40
};
static const uint16_t axisIDs[] = {
ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ, ABS_THROTTLE, ABS_RUDDER,
ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X,
ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y, ABS_HAT3X, ABS_HAT3Y
};
static OFString *
buttonToName(uint16_t button)
{
switch (button) {
case BTN_A:
return @"A";
case BTN_B:
return @"B";
case BTN_C:
return @"C";
case BTN_X:
return @"X";
case BTN_Y:
return @"Y";
case BTN_Z:
return @"Z";
case BTN_TL:
return @"TL";
case BTN_TR:
return @"TR";
case BTN_TL2:
return @"TL2";
case BTN_TR2:
return @"TR2";
case BTN_SELECT:
return @"Select";
case BTN_START:
return @"Start";
case BTN_MODE:
return @"Mode";
case BTN_THUMBL:
return @"Thumb L";
case BTN_THUMBR:
return @"Thumb R";
case BTN_DPAD_UP:
return @"DPad Up";
case BTN_DPAD_DOWN:
return @"DPad Down";
case BTN_DPAD_LEFT:
return @"DPad Left";
case BTN_DPAD_RIGHT:
return @"DPad Right";
case BTN_TRIGGER_HAPPY1:
return @"Trigger Happy 1";
case BTN_TRIGGER_HAPPY2:
return @"Trigger Happy 2";
case BTN_TRIGGER_HAPPY3:
return @"Trigger Happy 3";
case BTN_TRIGGER_HAPPY4:
return @"Trigger Happy 4";
case BTN_TRIGGER_HAPPY5:
return @"Trigger Happy 5";
case BTN_TRIGGER_HAPPY6:
return @"Trigger Happy 6";
case BTN_TRIGGER_HAPPY7:
return @"Trigger Happy 7";
case BTN_TRIGGER_HAPPY8:
return @"Trigger Happy 8";
case BTN_TRIGGER_HAPPY9:
return @"Trigger Happy 9";
case BTN_TRIGGER_HAPPY10:
return @"Trigger Happy 10";
case BTN_TRIGGER_HAPPY11:
return @"Trigger Happy 11";
case BTN_TRIGGER_HAPPY12:
return @"Trigger Happy 12";
case BTN_TRIGGER_HAPPY13:
return @"Trigger Happy 13";
case BTN_TRIGGER_HAPPY14:
return @"Trigger Happy 14";
case BTN_TRIGGER_HAPPY15:
return @"Trigger Happy 15";
case BTN_TRIGGER_HAPPY16:
return @"Trigger Happy 16";
case BTN_TRIGGER_HAPPY17:
return @"Trigger Happy 17";
case BTN_TRIGGER_HAPPY18:
return @"Trigger Happy 18";
case BTN_TRIGGER_HAPPY19:
return @"Trigger Happy 19";
case BTN_TRIGGER_HAPPY20:
return @"Trigger Happy 20";
case BTN_TRIGGER_HAPPY21:
return @"Trigger Happy 21";
case BTN_TRIGGER_HAPPY22:
return @"Trigger Happy 22";
case BTN_TRIGGER_HAPPY23:
return @"Trigger Happy 23";
case BTN_TRIGGER_HAPPY24:
return @"Trigger Happy 24";
case BTN_TRIGGER_HAPPY25:
return @"Trigger Happy 25";
case BTN_TRIGGER_HAPPY26:
return @"Trigger Happy 26";
case BTN_TRIGGER_HAPPY27:
return @"Trigger Happy 27";
case BTN_TRIGGER_HAPPY28:
return @"Trigger Happy 28";
case BTN_TRIGGER_HAPPY29:
return @"Trigger Happy 29";
case BTN_TRIGGER_HAPPY30:
return @"Trigger Happy 30";
case BTN_TRIGGER_HAPPY31:
return @"Trigger Happy 31";
case BTN_TRIGGER_HAPPY32:
return @"Trigger Happy 32";
case BTN_TRIGGER_HAPPY33:
return @"Trigger Happy 33";
case BTN_TRIGGER_HAPPY34:
return @"Trigger Happy 34";
case BTN_TRIGGER_HAPPY35:
return @"Trigger Happy 35";
case BTN_TRIGGER_HAPPY36:
return @"Trigger Happy 36";
case BTN_TRIGGER_HAPPY37:
return @"Trigger Happy 37";
case BTN_TRIGGER_HAPPY38:
return @"Trigger Happy 38";
case BTN_TRIGGER_HAPPY39:
return @"Trigger Happy 39";
case BTN_TRIGGER_HAPPY40:
return @"Trigger Happy 40";
default:
return nil;
}
}
static OFString *
axisToName(uint16_t axis)
{
switch (axis) {
case ABS_X:
return @"X";
case ABS_Y:
return @"Y";
case ABS_Z:
return @"Z";
case ABS_RX:
return @"RX";
case ABS_RY:
return @"RY";
case ABS_RZ:
return @"RZ";
case ABS_THROTTLE:
return @"Throttle";
case ABS_RUDDER:
return @"Rudder";
case ABS_WHEEL:
return @"Wheel";
case ABS_GAS:
return @"Gas";
case ABS_BRAKE:
return @"Brake";
case ABS_HAT0X:
return @"HAT0X";
case ABS_HAT0Y:
return @"HAT0Y";
case ABS_HAT1X:
return @"HAT1X";
case ABS_HAT1Y:
return @"HAT1Y";
case ABS_HAT2X:
return @"HAT2X";
case ABS_HAT2Y:
return @"HAT2Y";
case ABS_HAT3X:
return @"HAT3X";
case ABS_HAT3Y:
return @"HAT3Y";
default:
return nil;
}
}
static float
scale(float value, float min, float max)
{
if (value < min)
value = min;
if (value > max)
value = max;
return ((value - min) / (max - min) * 2) - 1;
}
@implementation HIDEvdevGameController
@synthesize name = _name, buttons = _buttons, axes = _axes;
+ (OFArray OF_GENERIC(HIDGameController *) *)controllers
{
OFMutableArray *controllers = [OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
for (OFString *device in [[OFFileManager defaultManager]
contentsOfDirectoryAtPath: @"/dev/input"]) {
OFString *path;
HIDGameController *controller;
if (![device hasPrefix: @"event"])
continue;
path = [@"/dev/input" stringByAppendingPathComponent: device];
@try {
controller = [[[HIDEvdevGameController alloc]
of_initWithPath: path] autorelease];
} @catch (OFOpenItemFailedException *e) {
if (e.errNo == EACCES)
continue;
@throw e;
} @catch (OFInvalidArgumentException *e) {
|
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
|
- (instancetype)of_initWithPath: (OFString *)path
{
self = [super init];
@try {
OFStringEncoding encoding = [OFLocale encoding];
unsigned long evBits[OFRoundUpToPowerOf2(OF_ULONG_BIT,
EV_MAX) / OF_ULONG_BIT] = { 0 };
unsigned long absBits[OFRoundUpToPowerOf2(OF_ULONG_BIT,
ABS_MAX) / OF_ULONG_BIT] = { 0 };
if (ioctl(_fd, EVIOCGBIT(0, sizeof(evBits)), evBits) == -1)
@throw [OFInitializationFailedException exception];
if (!OFBitSetIsSet(evBits, EV_KEY))
@throw [OFInvalidArgumentException exception];
_keyBits = OFAllocZeroedMemory(OFRoundUpToPowerOf2(OF_ULONG_BIT,
KEY_MAX) / OF_ULONG_BIT, sizeof(unsigned long));
if (ioctl(_fd, EVIOCGBIT(EV_KEY, OFRoundUpToPowerOf2(
OF_ULONG_BIT, KEY_MAX) / OF_ULONG_BIT *
|
<
<
<
<
>
>
>
>
|
>
>
|
|
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
|
- (instancetype)of_initWithPath: (OFString *)path
{
self = [super init];
@try {
OFStringEncoding encoding = [OFLocale encoding];
struct input_id inputID;
char name[128];
OFMutableDictionary *buttons, *axes;
_path = [path copy];
if ((_fd = open([_path cStringWithEncoding: encoding],
O_RDONLY | O_NONBLOCK)) == -1)
@throw [OFOpenItemFailedException
exceptionWithPath: _path
mode: @"r"
errNo: errno];
_evBits = OFAllocZeroedMemory(OFRoundUpToPowerOf2(OF_ULONG_BIT,
EV_MAX) / OF_ULONG_BIT, sizeof(unsigned long));
if (ioctl(_fd, EVIOCGBIT(0, OFRoundUpToPowerOf2(
OF_ULONG_BIT, EV_MAX) / OF_ULONG_BIT *
sizeof(unsigned long)), _evBits) == -1)
@throw [OFInitializationFailedException exception];
if (!OFBitSetIsSet(_evBits, EV_KEY))
@throw [OFInvalidArgumentException exception];
_keyBits = OFAllocZeroedMemory(OFRoundUpToPowerOf2(OF_ULONG_BIT,
KEY_MAX) / OF_ULONG_BIT, sizeof(unsigned long));
if (ioctl(_fd, EVIOCGBIT(EV_KEY, OFRoundUpToPowerOf2(
OF_ULONG_BIT, KEY_MAX) / OF_ULONG_BIT *
|
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
|
if (ioctl(_fd, EVIOCGNAME(sizeof(name)), name) == -1)
@throw [OFInitializationFailedException exception];
_name = [[OFString alloc] initWithCString: name
encoding: encoding];
_buttons = [[OFMutableSet alloc] init];
for (size_t i = 0; i < sizeof(buttons) / sizeof(*buttons);
i++) {
if (OFBitSetIsSet(_keyBits, buttons[i])) {
OFGameControllerButton button = buttonToName(
buttons[i], _vendorID, _productID);
if (button != nil && ![button hasPrefix: @"_"])
[_buttons addObject: button];
}
}
_pressedButtons = [[OFMutableSet alloc] init];
if (OFBitSetIsSet(evBits, EV_ABS)) {
if (ioctl(_fd, EVIOCGBIT(EV_ABS, sizeof(absBits)),
absBits) == -1)
@throw [OFInitializationFailedException
exception];
if (_vendorID == vendorIDNintendo &&
_productID == productIDRightJoyCon) {
/*
* Make the right analog stick on the right
* Joy-Con the left analog stick so that it can
* be used as a single controller.
*/
_leftAnalogStickXBit = ABS_RX;
_leftAnalogStickYBit = ABS_RY;
_rightAnalogStickXBit = ABS_X;
_rightAnalogStickYBit = ABS_Y;
_leftTriggerPressureBit = ABS_Z;
_rightTriggerPressureBit = ABS_RZ;
} else if (_vendorID == vendorIDGoogle &&
_productID == productIDStadia) {
/*
* It's unclear how this can be screwed up
* *this* bad.
*/
_leftAnalogStickXBit = ABS_X;
_leftAnalogStickYBit = ABS_Y;
_rightAnalogStickXBit = ABS_Z;
_rightAnalogStickYBit = ABS_RZ;
_leftTriggerPressureBit = ABS_BRAKE;
_rightTriggerPressureBit = ABS_GAS;
} else {
_leftAnalogStickXBit = ABS_X;
_leftAnalogStickYBit = ABS_Y;
_rightAnalogStickXBit = ABS_RX;
_rightAnalogStickYBit = ABS_RY;
_leftTriggerPressureBit = ABS_Z;
_rightTriggerPressureBit = ABS_RZ;
}
if (OFBitSetIsSet(absBits, _leftAnalogStickXBit) &&
OFBitSetIsSet(absBits, _leftAnalogStickYBit))
_hasLeftAnalogStick = true;
if (OFBitSetIsSet(absBits, _rightAnalogStickXBit) &&
OFBitSetIsSet(absBits, _rightAnalogStickYBit))
_hasRightAnalogStick = true;
if (_vendorID == vendorIDNintendo &&
_productID == productIDN64Controller &&
OFBitSetIsSet(_keyBits, BTN_Y) &&
OFBitSetIsSet(_keyBits, BTN_C) &&
OFBitSetIsSet(_keyBits, BTN_SELECT) &&
OFBitSetIsSet(_keyBits, BTN_X))
_hasRightAnalogStick = true;
if (OFBitSetIsSet(absBits, ABS_HAT0X) &&
OFBitSetIsSet(absBits, ABS_HAT0Y)) {
_DPadIsHAT0 = true;
[_buttons addObject:
OFGameControllerDPadLeftButton];
[_buttons addObject:
OFGameControllerDPadRightButton];
[_buttons addObject:
OFGameControllerDPadUpButton];
[_buttons addObject:
OFGameControllerDPadDownButton];
}
if (OFBitSetIsSet(absBits, _leftTriggerPressureBit)) {
_hasLeftTriggerPressure = true;
[_buttons addObject:
OFGameControllerLeftTriggerButton];
}
if (OFBitSetIsSet(absBits, _rightTriggerPressureBit)) {
_hasRightTriggerPressure = true;
[_buttons addObject:
OFGameControllerRightTriggerButton];
}
}
[_buttons makeImmutable];
@try {
[self of_pollState];
} @catch (OFReadFailedException *e) {
@throw [OFInitializationFailedException exception];
}
[_pressedButtons release];
[super dealloc];
}
- (OFNumber *)vendorID
{
return [OFNumber numberWithUnsignedShort: _vendorID];
|
>
|
|
|
>
|
|
>
>
>
|
|
|
>
|
|
|
>
>
|
>
>
>
>
|
>
|
|
|
>
|
<
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
|
<
<
<
|
<
<
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
<
<
<
|
<
<
|
<
|
|
<
<
<
<
|
|
|
|
<
|
<
<
<
>
>
|
|
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
|
if (ioctl(_fd, EVIOCGNAME(sizeof(name)), name) == -1)
@throw [OFInitializationFailedException exception];
_name = [[OFString alloc] initWithCString: name
encoding: encoding];
buttons = [[OFMutableDictionary alloc] init];
_buttons = buttons;
for (size_t i = 0; i < sizeof(buttonIDs) / sizeof(*buttonIDs);
i++) {
if (OFBitSetIsSet(_keyBits, buttonIDs[i])) {
OFString *buttonName;
HIDGameControllerButton *button;
buttonName = buttonToName(buttonIDs[i]);
if (buttonName == nil)
continue;
button = [[[HIDGameControllerButton alloc]
initWithName: buttonName] autorelease];
[buttons setObject: button forKey: buttonName];
}
}
[buttons makeImmutable];
axes = [[OFMutableDictionary alloc] init];
_axes = axes;
if (OFBitSetIsSet(_evBits, EV_ABS)) {
_absBits = OFAllocZeroedMemory(OFRoundUpToPowerOf2(
OF_ULONG_BIT, ABS_MAX) / OF_ULONG_BIT,
sizeof(unsigned long));
if (ioctl(_fd, EVIOCGBIT(EV_ABS, OFRoundUpToPowerOf2(
OF_ULONG_BIT, ABS_MAX) / OF_ULONG_BIT *
sizeof(unsigned long)), _absBits) == -1)
@throw [OFInitializationFailedException
exception];
for (size_t i = 0;
i < sizeof(axisIDs) / sizeof(*axisIDs); i++) {
if (OFBitSetIsSet(_absBits, axisIDs[i])) {
OFString *axisName;
HIDEvdevGameControllerAxis *axis;
axisName = axisToName(axisIDs[i]);
if (axisName == nil)
continue;
axis = [[[HIDEvdevGameControllerAxis
alloc] initWithName: axisName]
autorelease];
[axes setObject: axis forKey: axisName];
}
}
}
[axes makeImmutable];
[self of_pollState];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_path release];
if (_fd != -1)
close(_fd);
OFFreeMemory(_evBits);
OFFreeMemory(_keyBits);
OFFreeMemory(_absBits);
[_name release];
[_buttons release];
[_axes release];
[super dealloc];
}
- (OFNumber *)vendorID
{
return [OFNumber numberWithUnsignedShort: _vendorID];
|
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
|
if (ioctl(_fd, EVIOCGKEY(sizeof(keyState)), &keyState) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(keyState)
errNo: errno];
[_pressedButtons removeAllObjects];
if (OFBitSetIsSet(_keyBits, buttons[i]) &&
OFBitSetIsSet(keyState, buttons[i])) {
OFGameControllerButton button = buttonToName(
buttons[i], _vendorID, _productID);
if (button != nil)
[_pressedButtons addObject: button];
}
}
if (_DPadIsHAT0) {
struct input_absinfo infoX, infoY;
if (ioctl(_fd, EVIOCGABS(ABS_HAT0X), &infoX) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(infoX)
errNo: errno];
if (ioctl(_fd, EVIOCGABS(ABS_HAT0Y), &infoY) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(infoY)
errNo: errno];
if (infoX.value < 0)
[_pressedButtons addObject:
OFGameControllerDPadLeftButton];
else if (infoX.value > 0)
[_pressedButtons addObject:
OFGameControllerDPadRightButton];
if (infoY.value < 0)
[_pressedButtons addObject:
OFGameControllerDPadUpButton];
else if (infoY.value > 0)
[_pressedButtons addObject:
OFGameControllerDPadDownButton];
}
if (_hasLeftAnalogStick) {
struct input_absinfo infoX, infoY;
if (ioctl(_fd, EVIOCGABS(_leftAnalogStickXBit), &infoX) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(infoX)
errNo: errno];
if (ioctl(_fd, EVIOCGABS(_leftAnalogStickYBit), &infoY) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(infoY)
errNo: errno];
_leftAnalogStickMinX = infoX.minimum;
_leftAnalogStickMaxX = infoX.maximum;
_leftAnalogStickMinY = infoY.minimum;
_leftAnalogStickMaxY = infoY.maximum;
_leftAnalogStickPosition.x = scale(infoX.value,
_leftAnalogStickMinX, _leftAnalogStickMaxX);
_leftAnalogStickPosition.y = scale(infoY.value,
_leftAnalogStickMinY, _leftAnalogStickMaxY);
}
if (!emulateRightAnalogStick(_vendorID, _productID, _pressedButtons,
&_rightAnalogStickPosition) && _hasRightAnalogStick) {
struct input_absinfo infoX, infoY;
if (ioctl(_fd, EVIOCGABS(_rightAnalogStickXBit), &infoX) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(infoX)
errNo: errno];
if (ioctl(_fd, EVIOCGABS(_rightAnalogStickYBit), &infoY) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(infoY)
errNo: errno];
_rightAnalogStickMinX = infoX.minimum;
_rightAnalogStickMaxX = infoX.maximum;
_rightAnalogStickMinY = infoY.minimum;
_rightAnalogStickMaxY = infoY.maximum;
_rightAnalogStickPosition.x = scale(infoX.value,
_rightAnalogStickMinX, _rightAnalogStickMaxX);
_rightAnalogStickPosition.y = scale(infoY.value,
_rightAnalogStickMinY, _rightAnalogStickMaxY);
}
if (_hasLeftTriggerPressure) {
struct input_absinfo info;
if (ioctl(_fd, EVIOCGABS( _leftTriggerPressureBit), &info) ==
-1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(info)
errNo: errno];
_leftTriggerMinPressure = info.minimum;
_leftTriggerMaxPressure = info.maximum;
_leftTriggerPressure = scale(info.value,
_leftTriggerMinPressure, _leftTriggerMaxPressure);
}
if (_hasRightTriggerPressure) {
struct input_absinfo info;
if (ioctl(_fd, EVIOCGABS(_rightTriggerPressureBit), &info) ==
-1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(info)
errNo: errno];
_rightTriggerMinPressure = info.minimum;
_rightTriggerMaxPressure = info.maximum;
_rightTriggerPressure = scale(info.value,
_rightTriggerMinPressure, _rightTriggerMaxPressure);
}
}
- (void)retrieveState
{
struct input_event event;
for (;;) {
OFGameControllerButton button;
errno = 0;
if (read(_fd, &event, sizeof(event)) < (int)sizeof(event)) {
if (errno == EWOULDBLOCK)
return;
|
<
<
|
<
<
<
<
|
|
<
|
<
|
<
<
|
<
<
<
<
<
<
<
<
<
<
|
|
<
|
<
<
<
<
|
<
<
|
|
|
|
<
<
|
<
<
<
<
<
<
<
<
<
<
|
<
<
<
<
<
<
<
<
<
|
<
<
>
|
>
>
<
<
>
|
<
<
>
|
<
<
<
<
|
<
<
<
<
<
<
<
<
|
|
>
|
|
|
<
|
|
|
|
|
|
|
<
<
|
<
<
|
<
<
<
<
<
<
<
<
<
<
<
>
|
>
|
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
|
if (ioctl(_fd, EVIOCGKEY(sizeof(keyState)), &keyState) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(keyState)
errNo: errno];
for (size_t i = 0; i < sizeof(buttonIDs) / sizeof(*buttonIDs);
i++) {
OFString *name;
HIDGameControllerButton *button;
if (!OFBitSetIsSet(_keyBits, buttonIDs[i]))
continue;
name = buttonToName(buttonIDs[i]);
if (name == nil)
continue;
button = [_buttons objectForKey: name];
if (button == nil)
continue;
button.value = (OFBitSetIsSet(keyState, buttonIDs[i]) ? 1 : 0);
}
if (OFBitSetIsSet(_evBits, EV_ABS)) {
for (size_t i = 0; i < sizeof(axisIDs) / sizeof(*axisIDs);
i++) {
struct input_absinfo info;
OFString *name;
HIDEvdevGameControllerAxis *axis;
if (!OFBitSetIsSet(_absBits, axisIDs[i]))
continue;
name = axisToName(axisIDs[i]);
if (name == nil)
continue;
axis = (HIDEvdevGameControllerAxis *)
[_axes objectForKey: name];
if (axis == nil)
continue;
if (ioctl(_fd, EVIOCGABS(axisIDs[i]), &info) == -1)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(info)
errNo: errno];
axis->_minValue = info.minimum;
axis->_maxValue = info.maximum;
axis.value = scale(info.value,
info.minimum, info.maximum);
}
}
}
- (void)retrieveState
{
struct input_event event;
for (;;) {
OFString *name;
HIDGameControllerButton *button;
HIDEvdevGameControllerAxis *axis;
errno = 0;
if (read(_fd, &event, sizeof(event)) < (int)sizeof(event)) {
if (errno == EWOULDBLOCK)
return;
|
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
|
case EV_SYN:
if (event.value == SYN_DROPPED) {
_discardUntilReport = true;
continue;
}
break;
case EV_KEY:
if ((button = buttonToName(event.code, _vendorID,
_productID)) != nil) {
if (event.value)
[_pressedButtons addObject: button];
else
[_pressedButtons removeObject: button];
emulateRightAnalogStick(_vendorID, _productID,
_pressedButtons,
&_rightAnalogStickPosition);
}
if (event.code == _leftAnalogStickXBit)
_leftAnalogStickPosition.x = scale(event.value,
_leftAnalogStickMinX, _leftAnalogStickMaxX);
else if (event.code == _leftAnalogStickYBit)
_leftAnalogStickPosition.y = scale(event.value,
_leftAnalogStickMinY, _leftAnalogStickMaxY);
else if (event.code == _rightAnalogStickXBit)
_rightAnalogStickPosition.x = scale(event.value,
_rightAnalogStickMinX,
_rightAnalogStickMaxX);
else if (event.code == _rightAnalogStickYBit)
_rightAnalogStickPosition.y = scale(event.value,
_rightAnalogStickMinY,
_rightAnalogStickMaxY);
else if (event.code == ABS_HAT0X) {
if (event.value < 0) {
[_pressedButtons addObject:
OFGameControllerDPadLeftButton];
[_pressedButtons removeObject:
OFGameControllerDPadRightButton];
} else if (event.value > 0) {
[_pressedButtons addObject:
OFGameControllerDPadRightButton];
[_pressedButtons removeObject:
OFGameControllerDPadLeftButton];
} else {
[_pressedButtons removeObject:
OFGameControllerDPadLeftButton];
[_pressedButtons removeObject:
OFGameControllerDPadRightButton];
}
} else if (event.code == ABS_HAT0Y) {
if (event.value < 0) {
[_pressedButtons addObject:
OFGameControllerDPadUpButton];
[_pressedButtons removeObject:
OFGameControllerDPadDownButton];
} else if (event.value > 0) {
[_pressedButtons addObject:
OFGameControllerDPadDownButton];
[_pressedButtons removeObject:
OFGameControllerDPadUpButton];
} else {
[_pressedButtons removeObject:
OFGameControllerDPadUpButton];
[_pressedButtons removeObject:
OFGameControllerDPadDownButton];
}
} else if (event.code == _leftTriggerPressureBit) {
_leftTriggerPressure = scale(event.value,
_leftTriggerMinPressure,
_leftTriggerMaxPressure);
if (_leftTriggerPressure > 0)
[_pressedButtons addObject:
OFGameControllerLeftTriggerButton];
else
[_pressedButtons removeObject:
OFGameControllerLeftTriggerButton];
} else if (event.code == _rightTriggerPressureBit) {
_rightTriggerPressure = scale(event.value,
_rightTriggerMinPressure,
_rightTriggerMaxPressure);
if (_rightTriggerPressure > 0)
[_pressedButtons addObject:
OFGameControllerRightTriggerButton];
else
[_pressedButtons removeObject:
OFGameControllerRightTriggerButton];
}
- (OFComparisonResult)compare: (OFEvdevGameController *)otherController
{
unsigned long long selfIndex, otherIndex;
if (![otherController isKindOfClass: [OFEvdevGameController class]])
@throw [OFInvalidArgumentException exception];
selfIndex = [_path substringFromIndex: 16].unsignedLongLongValue;
otherIndex = [otherController->_path substringFromIndex: 16]
.unsignedLongLongValue;
if (selfIndex > otherIndex)
return OFOrderedDescending;
if (selfIndex < otherIndex)
return OFOrderedAscending;
return OFOrderedSame;
}
- (OFSet *)pressedButtons
{
OFMutableSet *pressedButtons =
[OFMutableSet setWithCapacity: _pressedButtons.count];
for (OFGameControllerButton button in _pressedButtons)
if (![button hasPrefix: @"_"])
[pressedButtons addObject: button];
[pressedButtons makeImmutable];
return pressedButtons;
}
- (OFPoint)leftAnalogStickPosition
{
if (_vendorID == vendorIDNintendo && _productID == productIDLeftJoyCon)
return OFMakePoint(
_leftAnalogStickPosition.y, -_leftAnalogStickPosition.x);
if (_vendorID == vendorIDNintendo && _productID == productIDRightJoyCon)
return OFMakePoint(
-_leftAnalogStickPosition.y, _leftAnalogStickPosition.x);
return _leftAnalogStickPosition;
}
- (float)pressureForButton: (OFGameControllerButton)button
{
if (button == OFGameControllerLeftTriggerButton &&
_hasLeftTriggerPressure)
return _leftTriggerPressure;
if (button == OFGameControllerRightTriggerButton &&
_hasRightTriggerPressure)
return _rightTriggerPressure;
return [super pressureForButton: button];
}
|
|
|
|
|
|
|
>
<
|
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
|
<
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
|
<
|
<
|
<
<
<
<
<
<
<
|
<
|
<
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
|
case EV_SYN:
if (event.value == SYN_DROPPED) {
_discardUntilReport = true;
continue;
}
break;
case EV_KEY:
name = buttonToName(event.code);
if (name == nil)
continue;
button = [_buttons objectForKey: name];
if (button == nil)
continue;
button.value = (event.value ? 1 : 0);
break;
case EV_ABS:
name = axisToName(event.code);
if (name == nil)
continue;
axis = (HIDEvdevGameControllerAxis *)
[_axes objectForKey: name];
if (axis == nil)
continue;
axis.value = scale(event.value,
axis->_minValue, axis->_maxValue);
break;
}
}
}
- (OFComparisonResult)compare: (HIDEvdevGameController *)otherController
{
unsigned long long selfIndex, otherIndex;
if (![otherController isKindOfClass: [HIDEvdevGameController class]])
@throw [OFInvalidArgumentException exception];
selfIndex = [_path substringFromIndex: 16].unsignedLongLongValue;
otherIndex = [otherController->_path substringFromIndex: 16]
.unsignedLongLongValue;
if (selfIndex > otherIndex)
return OFOrderedDescending;
if (selfIndex < otherIndex)
return OFOrderedAscending;
return OFOrderedSame;
}
@end
|