This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_dxjoystick.c
1720 lines (1487 loc) · 61.5 KB
/
SDL_dxjoystick.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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
291
292
293
294
295
296
297
298
299
300
301
302
303
304
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
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
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
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
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
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
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#ifdef SDL_JOYSTICK_DINPUT
/* DirectInput joystick driver; written by Glenn Maynard, based on Andrei de
* A. Formiga's WINMM driver.
*
* Hats and sliders are completely untested; the app I'm writing this for mostly
* doesn't use them and I don't own any joysticks with them.
*
* We don't bother to use event notification here. It doesn't seem to work
* with polled devices, and it's fine to call IDirectInputDevice8_GetDeviceData and
* let it return 0 events. */
#include "SDL_error.h"
#include "SDL_assert.h"
#include "SDL_events.h"
#include "SDL_joystick.h"
#include "../SDL_sysjoystick.h"
#define INITGUID /* Only set here, if set twice will cause mingw32 to break. */
#include "SDL_dxjoystick_c.h"
#include "SDL_thread.h"
#include "SDL_timer.h"
#include "SDL_mutex.h"
#include "SDL_events.h"
#include "SDL_hints.h"
#if !SDL_EVENTS_DISABLED
#include "../../events/SDL_events_c.h"
#endif
#ifndef DIDFT_OPTIONAL
#define DIDFT_OPTIONAL 0x80000000
#endif
#define INPUT_QSIZE 32 /* Buffer up to 32 input messages */
#define MAX_JOYSTICKS 8
#define AXIS_MIN -32768 /* minimum value for axis coordinate */
#define AXIS_MAX 32767 /* maximum value for axis coordinate */
#define JOY_AXIS_THRESHOLD (((AXIS_MAX)-(AXIS_MIN))/100) /* 1% motion */
/* external variables referenced. */
extern HWND SDL_HelperWindow;
/* local variables */
static SDL_bool coinitialized = SDL_FALSE;
static LPDIRECTINPUT8 dinput = NULL;
static SDL_bool s_bDeviceAdded = SDL_FALSE;
static SDL_bool s_bDeviceRemoved = SDL_FALSE;
static SDL_JoystickID s_nInstanceID = -1;
static GUID *s_pKnownJoystickGUIDs = NULL;
static SDL_cond *s_condJoystickThread = NULL;
static SDL_mutex *s_mutexJoyStickEnum = NULL;
static SDL_Thread *s_threadJoystick = NULL;
static SDL_bool s_bJoystickThreadQuit = SDL_FALSE;
static SDL_bool s_bXInputEnabled = SDL_TRUE;
XInputGetState_t SDL_XInputGetState = NULL;
XInputSetState_t SDL_XInputSetState = NULL;
XInputGetCapabilities_t SDL_XInputGetCapabilities = NULL;
DWORD SDL_XInputVersion = 0;
static HANDLE s_pXInputDLL = 0;
static int s_XInputDLLRefCount = 0;
int
WIN_LoadXInputDLL(void)
{
DWORD version = 0;
if (s_pXInputDLL) {
SDL_assert(s_XInputDLLRefCount > 0);
s_XInputDLLRefCount++;
return 0; /* already loaded */
}
version = (1 << 16) | 4;
s_pXInputDLL = LoadLibrary( L"XInput1_4.dll" ); // 1.4 Ships with Windows 8.
if (!s_pXInputDLL) {
version = (1 << 16) | 3;
s_pXInputDLL = LoadLibrary( L"XInput1_3.dll" ); // 1.3 Ships with Vista and Win7, can be installed as a restributable component.
}
if (!s_pXInputDLL) {
s_pXInputDLL = LoadLibrary( L"bin\\XInput1_3.dll" );
}
if (!s_pXInputDLL) {
return -1;
}
SDL_assert(s_XInputDLLRefCount == 0);
SDL_XInputVersion = version;
s_XInputDLLRefCount = 1;
/* 100 is the ordinal for _XInputGetStateEx, which returns the same struct as XinputGetState, but with extra data in wButtons for the guide button, we think... */
SDL_XInputGetState = (XInputGetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, (LPCSTR)100 );
SDL_XInputSetState = (XInputSetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputSetState" );
SDL_XInputGetCapabilities = (XInputGetCapabilities_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputGetCapabilities" );
if ( !SDL_XInputGetState || !SDL_XInputSetState || !SDL_XInputGetCapabilities ) {
WIN_UnloadXInputDLL();
return -1;
}
return 0;
}
void
WIN_UnloadXInputDLL(void)
{
if ( s_pXInputDLL ) {
SDL_assert(s_XInputDLLRefCount > 0);
if (--s_XInputDLLRefCount == 0) {
FreeLibrary( s_pXInputDLL );
s_pXInputDLL = NULL;
}
} else {
SDL_assert(s_XInputDLLRefCount == 0);
}
}
extern HRESULT(WINAPI * DInputCreate) (HINSTANCE hinst, DWORD dwVersion,
LPDIRECTINPUT * ppDI,
LPUNKNOWN punkOuter);
struct JoyStick_DeviceData_
{
SDL_JoystickGUID guid;
DIDEVICEINSTANCE dxdevice;
char *joystickname;
Uint8 send_add_event;
SDL_JoystickID nInstanceID;
SDL_bool bXInputDevice;
Uint8 XInputUserId;
struct JoyStick_DeviceData_ *pNext;
};
typedef struct JoyStick_DeviceData_ JoyStick_DeviceData;
static JoyStick_DeviceData *SYS_Joystick; /* array to hold joystick ID values */
/* local prototypes */
static int SetDIerror(const char *function, HRESULT code);
static BOOL CALLBACK EnumJoysticksCallback(const DIDEVICEINSTANCE *
pdidInstance, VOID * pContext);
static BOOL CALLBACK EnumDevObjectsCallback(LPCDIDEVICEOBJECTINSTANCE dev,
LPVOID pvRef);
static void SortDevObjects(SDL_Joystick *joystick);
static Uint8 TranslatePOV(DWORD value);
static int SDL_PrivateJoystickAxis_Int(SDL_Joystick * joystick, Uint8 axis,
Sint16 value);
static int SDL_PrivateJoystickHat_Int(SDL_Joystick * joystick, Uint8 hat,
Uint8 value);
static int SDL_PrivateJoystickButton_Int(SDL_Joystick * joystick,
Uint8 button, Uint8 state);
// Taken from Wine - Thanks!
DIOBJECTDATAFORMAT dfDIJoystick2[] = {
{ &GUID_XAxis,DIJOFS_X,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_YAxis,DIJOFS_Y,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_ZAxis,DIJOFS_Z,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RxAxis,DIJOFS_RX,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RyAxis,DIJOFS_RY,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RzAxis,DIJOFS_RZ,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,DIJOFS_SLIDER(0),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,DIJOFS_SLIDER(1),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_POV,DIJOFS_POV(0),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
{ &GUID_POV,DIJOFS_POV(1),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
{ &GUID_POV,DIJOFS_POV(2),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
{ &GUID_POV,DIJOFS_POV(3),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(0),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(1),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(2),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(3),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(4),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(5),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(6),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(7),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(8),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(9),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(10),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(11),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(12),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(13),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(14),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(15),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(16),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(17),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(18),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(19),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(20),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(21),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(22),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(23),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(24),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(25),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(26),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(27),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(28),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(29),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(30),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(31),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(32),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(33),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(34),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(35),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(36),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(37),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(38),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(39),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(40),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(41),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(42),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(43),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(44),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(45),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(46),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(47),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(48),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(49),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(50),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(51),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(52),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(53),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(54),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(55),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(56),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(57),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(58),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(59),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(60),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(61),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(62),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(63),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(64),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(65),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(66),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(67),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(68),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(69),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(70),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(71),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(72),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(73),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(74),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(75),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(76),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(77),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(78),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(79),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(80),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(81),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(82),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(83),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(84),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(85),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(86),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(87),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(88),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(89),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(90),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(91),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(92),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(93),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(94),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(95),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(96),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(97),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(98),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(99),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(100),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(101),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(102),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(103),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(104),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(105),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(106),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(107),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(108),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(109),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(110),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(111),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(112),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(113),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(114),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(115),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(116),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(117),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(118),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(119),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(120),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(121),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(122),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(123),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(124),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(125),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(126),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ NULL,DIJOFS_BUTTON(127),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
{ &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lVX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lVY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lVZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lVRx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lVRy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lVRz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglVSlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglVSlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lAX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lAY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lAZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lARx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lARy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lARz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglASlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglASlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lFX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lFY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lFZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lFRx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lFRy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lFRz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglFSlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
{ &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglFSlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
};
const DIDATAFORMAT c_dfDIJoystick2 = {
sizeof(DIDATAFORMAT),
sizeof(DIOBJECTDATAFORMAT),
DIDF_ABSAXIS,
sizeof(DIJOYSTATE2),
SDL_arraysize(dfDIJoystick2),
dfDIJoystick2
};
/* Convert a DirectInput return code to a text message */
static int
SetDIerror(const char *function, HRESULT code)
{
/*
return SDL_SetError("%s() [%s]: %s", function,
DXGetErrorString9A(code), DXGetErrorDescription9A(code));
*/
return SDL_SetError("%s() DirectX error %d", function, code);
}
#define SAFE_RELEASE(p) \
{ \
if (p) { \
(p)->lpVtbl->Release((p)); \
(p) = 0; \
} \
}
DEFINE_GUID(CLSID_WbemLocator, 0x4590f811,0x1d3a,0x11d0,0x89,0x1F,0x00,0xaa,0x00,0x4b,0x2e,0x24);
DEFINE_GUID(IID_IWbemLocator, 0xdc12a687,0x737f,0x11cf,0x88,0x4d,0x00,0xaa,0x00,0x4b,0x2e,0x24);
//-----------------------------------------------------------------------------
//
// code from MSDN: http://msdn.microsoft.com/en-us/library/windows/desktop/ee417014(v=vs.85).aspx
//
// Enum each PNP device using WMI and check each device ID to see if it contains
// "IG_" (ex. "VID_045E&PID_028E&IG_00"). If it does, then it's an XInput device
// Unfortunately this information can not be found by just using DirectInput
//-----------------------------------------------------------------------------
BOOL IsXInputDevice( const GUID* pGuidProductFromDirectInput )
{
IWbemLocator* pIWbemLocator = NULL;
IEnumWbemClassObject* pEnumDevices = NULL;
IWbemClassObject* pDevices[20];
IWbemServices* pIWbemServices = NULL;
DWORD uReturned = 0;
BSTR bstrNamespace = NULL;
BSTR bstrDeviceID = NULL;
BSTR bstrClassName = NULL;
SDL_bool bIsXinputDevice= SDL_FALSE;
UINT iDevice = 0;
VARIANT var;
HRESULT hr;
DWORD bCleanupCOM;
if (!s_bXInputEnabled)
{
return SDL_FALSE;
}
SDL_memset( pDevices, 0x0, sizeof(pDevices) );
// CoInit if needed
hr = CoInitialize(NULL);
bCleanupCOM = SUCCEEDED(hr);
// Create WMI
hr = CoCreateInstance( &CLSID_WbemLocator,
NULL,
CLSCTX_INPROC_SERVER,
&IID_IWbemLocator,
(LPVOID*) &pIWbemLocator);
if( FAILED(hr) || pIWbemLocator == NULL )
goto LCleanup;
bstrNamespace = SysAllocString( L"\\\\.\\root\\cimv2" );if( bstrNamespace == NULL ) goto LCleanup;
bstrClassName = SysAllocString( L"Win32_PNPEntity" ); if( bstrClassName == NULL ) goto LCleanup;
bstrDeviceID = SysAllocString( L"DeviceID" ); if( bstrDeviceID == NULL ) goto LCleanup;
// Connect to WMI
hr = IWbemLocator_ConnectServer( pIWbemLocator, bstrNamespace, NULL, NULL, 0L,
0L, NULL, NULL, &pIWbemServices );
if( FAILED(hr) || pIWbemServices == NULL )
goto LCleanup;
// Switch security level to IMPERSONATE.
CoSetProxyBlanket( (IUnknown *)pIWbemServices, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL,
RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE );
hr = IWbemServices_CreateInstanceEnum( pIWbemServices, bstrClassName, 0, NULL, &pEnumDevices );
if( FAILED(hr) || pEnumDevices == NULL )
goto LCleanup;
// Loop over all devices
for( ;; )
{
// Get 20 at a time
hr = IEnumWbemClassObject_Next( pEnumDevices, 10000, 20, pDevices, &uReturned );
if( FAILED(hr) )
goto LCleanup;
if( uReturned == 0 )
break;
for( iDevice=0; iDevice<uReturned; iDevice++ )
{
// For each device, get its device ID
hr = IWbemClassObject_Get( pDevices[iDevice], bstrDeviceID, 0L, &var, NULL, NULL );
if( SUCCEEDED( hr ) && var.vt == VT_BSTR && var.bstrVal != NULL )
{
// Check if the device ID contains "IG_". If it does, then it's an XInput device
// This information can not be found from DirectInput
char *pDeviceString = WIN_StringToUTF8( var.bstrVal );
if( SDL_strstr( pDeviceString, "IG_" ) )
{
// If it does, then get the VID/PID from var.bstrVal
long dwPid = 0, dwVid = 0;
char * strPid = NULL;
DWORD dwVidPid = 0;
char * strVid = SDL_strstr( pDeviceString, "VID_" );
if( strVid )
{
dwVid = SDL_strtol( strVid + 4, NULL, 16 );
}
strPid = SDL_strstr( pDeviceString, "PID_" );
if( strPid )
{
dwPid = SDL_strtol( strPid + 4, NULL, 16 );
}
// Compare the VID/PID to the DInput device
dwVidPid = MAKELONG( dwVid, dwPid );
if( dwVidPid == pGuidProductFromDirectInput->Data1 )
{
bIsXinputDevice = SDL_TRUE;
}
}
if ( pDeviceString )
SDL_free( pDeviceString );
if ( bIsXinputDevice )
break;
}
SAFE_RELEASE( pDevices[iDevice] );
}
}
LCleanup:
for( iDevice=0; iDevice<20; iDevice++ )
SAFE_RELEASE( pDevices[iDevice] );
SAFE_RELEASE( pEnumDevices );
SAFE_RELEASE( pIWbemLocator );
SAFE_RELEASE( pIWbemServices );
if ( bstrNamespace )
SysFreeString( bstrNamespace );
if ( bstrClassName )
SysFreeString( bstrClassName );
if ( bstrDeviceID )
SysFreeString( bstrDeviceID );
if( bCleanupCOM )
CoUninitialize();
return bIsXinputDevice;
}
static SDL_bool s_bWindowsDeviceChanged = SDL_FALSE;
/* windowproc for our joystick detect thread message only window, to detect any usb device addition/removal
*/
LRESULT CALLBACK SDL_PrivateJoystickDetectProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {
switch (message) {
case WM_DEVICECHANGE:
switch (wParam) {
case DBT_DEVICEARRIVAL:
if (((DEV_BROADCAST_HDR*)lParam)->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
s_bWindowsDeviceChanged = SDL_TRUE;
}
break;
case DBT_DEVICEREMOVECOMPLETE:
if (((DEV_BROADCAST_HDR*)lParam)->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
s_bWindowsDeviceChanged = SDL_TRUE;
}
break;
}
return 0;
}
return DefWindowProc (hwnd, message, wParam, lParam);
}
DEFINE_GUID(GUID_DEVINTERFACE_USB_DEVICE, 0xA5DCBF10L, 0x6530, 0x11D2, 0x90, 0x1F, 0x00, \
0xC0, 0x4F, 0xB9, 0x51, 0xED);
/* Function/thread to scan the system for joysticks.
*/
static int
SDL_JoystickThread(void *_data)
{
HRESULT result = S_OK;
HWND messageWindow = 0;
HDEVNOTIFY hNotify = 0;
DEV_BROADCAST_DEVICEINTERFACE dbh;
SDL_bool bOpenedXInputDevices[4];
WNDCLASSEX wincl;
SDL_memset( bOpenedXInputDevices, 0x0, sizeof(bOpenedXInputDevices) );
result = WIN_CoInitialize();
SDL_memset( &wincl, 0x0, sizeof(wincl) );
wincl.hInstance = GetModuleHandle( NULL );
wincl.lpszClassName = L"Message";
wincl.lpfnWndProc = SDL_PrivateJoystickDetectProc; // This function is called by windows
wincl.cbSize = sizeof (WNDCLASSEX);
if (!RegisterClassEx (&wincl))
{
return SDL_SetError("Failed to create register class for joystick autodetect.", GetLastError());
}
messageWindow = (HWND)CreateWindowEx( 0, L"Message", NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL );
if ( !messageWindow )
{
return SDL_SetError("Failed to create message window for joystick autodetect.", GetLastError());
}
SDL_memset(&dbh, 0x0, sizeof(dbh));
dbh.dbcc_size = sizeof(dbh);
dbh.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
dbh.dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE;
hNotify = RegisterDeviceNotification( messageWindow, &dbh, DEVICE_NOTIFY_WINDOW_HANDLE );
if ( !hNotify )
{
return SDL_SetError("Failed to create notify device for joystick autodetect.", GetLastError());
}
SDL_LockMutex( s_mutexJoyStickEnum );
while ( s_bJoystickThreadQuit == SDL_FALSE )
{
MSG messages;
Uint8 userId;
int nCurrentOpenedXInputDevices = 0;
int nNewOpenedXInputDevices = 0;
SDL_CondWaitTimeout( s_condJoystickThread, s_mutexJoyStickEnum, 300 );
while ( s_bJoystickThreadQuit == SDL_FALSE && PeekMessage(&messages, messageWindow, 0, 0, PM_NOREMOVE) )
{
if ( GetMessage(&messages, messageWindow, 0, 0) != 0 ) {
TranslateMessage(&messages);
DispatchMessage(&messages);
}
}
if ( s_bXInputEnabled && XINPUTGETCAPABILITIES )
{
// scan for any change in XInput devices
for ( userId = 0; userId < 4; userId++ )
{
XINPUT_CAPABILITIES capabilities;
DWORD result;
if ( bOpenedXInputDevices[userId] == SDL_TRUE )
nCurrentOpenedXInputDevices++;
result = XINPUTGETCAPABILITIES( userId, XINPUT_FLAG_GAMEPAD, &capabilities );
if ( result == ERROR_SUCCESS )
{
bOpenedXInputDevices[userId] = SDL_TRUE;
nNewOpenedXInputDevices++;
}
else
{
bOpenedXInputDevices[userId] = SDL_FALSE;
}
}
}
if ( s_pKnownJoystickGUIDs && ( s_bWindowsDeviceChanged || nNewOpenedXInputDevices != nCurrentOpenedXInputDevices ) )
{
SDL_Delay( 300 ); // wait for direct input to find out about this device
s_bDeviceRemoved = SDL_TRUE;
s_bDeviceAdded = SDL_TRUE;
s_bWindowsDeviceChanged = SDL_FALSE;
}
}
SDL_UnlockMutex( s_mutexJoyStickEnum );
if ( hNotify )
UnregisterDeviceNotification( hNotify );
if ( messageWindow )
DestroyWindow( messageWindow );
UnregisterClass( wincl.lpszClassName, wincl.hInstance );
messageWindow = 0;
WIN_CoUninitialize();
return 1;
}
/* Function to scan the system for joysticks.
* This function should set SDL_numjoysticks to the number of available
* joysticks. Joystick 0 should be the system default joystick.
* It should return 0, or -1 on an unrecoverable fatal error.
*/
int
SDL_SYS_JoystickInit(void)
{
HRESULT result;
HINSTANCE instance;
const char *env = SDL_GetHint(SDL_HINT_XINPUT_ENABLED);
if (env && !SDL_atoi(env)) {
s_bXInputEnabled = SDL_FALSE;
}
result = WIN_CoInitialize();
if (FAILED(result)) {
return SetDIerror("CoInitialize", result);
}
coinitialized = SDL_TRUE;
result = CoCreateInstance(&CLSID_DirectInput8, NULL, CLSCTX_INPROC_SERVER,
&IID_IDirectInput8, (LPVOID)&dinput);
if (FAILED(result)) {
SDL_SYS_JoystickQuit();
return SetDIerror("CoCreateInstance", result);
}
/* Because we used CoCreateInstance, we need to Initialize it, first. */
instance = GetModuleHandle(NULL);
if (instance == NULL) {
SDL_SYS_JoystickQuit();
return SDL_SetError("GetModuleHandle() failed with error code %d.", GetLastError());
}
result = IDirectInput8_Initialize(dinput, instance, DIRECTINPUT_VERSION);
if (FAILED(result)) {
SDL_SYS_JoystickQuit();
return SetDIerror("IDirectInput::Initialize", result);
}
s_mutexJoyStickEnum = SDL_CreateMutex();
s_condJoystickThread = SDL_CreateCond();
s_bDeviceAdded = SDL_TRUE; // force a scan of the system for joysticks this first time
SDL_SYS_JoystickDetect();
if ((s_bXInputEnabled) && (WIN_LoadXInputDLL() == -1)) {
s_bXInputEnabled = SDL_FALSE; /* oh well. */
}
if ( !s_threadJoystick )
{
s_bJoystickThreadQuit = SDL_FALSE;
/* spin up the thread to detect hotplug of devices */
#if defined(__WIN32__) && !defined(HAVE_LIBC)
#undef SDL_CreateThread
s_threadJoystick= SDL_CreateThread( SDL_JoystickThread, "SDL_joystick", NULL, NULL, NULL );
#else
s_threadJoystick = SDL_CreateThread( SDL_JoystickThread, "SDL_joystick", NULL );
#endif
}
return SDL_SYS_NumJoysticks();
}
/* return the number of joysticks that are connected right now */
int SDL_SYS_NumJoysticks()
{
int nJoysticks = 0;
JoyStick_DeviceData *device = SYS_Joystick;
while ( device )
{
nJoysticks++;
device = device->pNext;
}
return nJoysticks;
}
static int s_iNewGUID = 0;
/* helper function for direct input, gets called for each connected joystick */
static BOOL CALLBACK
EnumJoysticksCallback(const DIDEVICEINSTANCE * pdidInstance, VOID * pContext)
{
JoyStick_DeviceData *pNewJoystick;
JoyStick_DeviceData *pPrevJoystick = NULL;
SDL_bool bXInputDevice;
pNewJoystick = *(JoyStick_DeviceData **)pContext;
while ( pNewJoystick )
{
if ( !SDL_memcmp( &pNewJoystick->dxdevice.guidInstance, &pdidInstance->guidInstance, sizeof(pNewJoystick->dxdevice.guidInstance) ) )
{
/* if we are replacing the front of the list then update it */
if ( pNewJoystick == *(JoyStick_DeviceData **)pContext )
{
*(JoyStick_DeviceData **)pContext = pNewJoystick->pNext;
}
else if ( pPrevJoystick )
{
pPrevJoystick->pNext = pNewJoystick->pNext;
}
pNewJoystick->pNext = SYS_Joystick;
SYS_Joystick = pNewJoystick;
s_pKnownJoystickGUIDs[ s_iNewGUID ] = pdidInstance->guidInstance;
s_iNewGUID++;
if ( s_iNewGUID < MAX_JOYSTICKS )
return DIENUM_CONTINUE; // already have this joystick loaded, just keep going
else
return DIENUM_STOP;
}
pPrevJoystick = pNewJoystick;
pNewJoystick = pNewJoystick->pNext;
}
s_bDeviceAdded = SDL_TRUE;
bXInputDevice = IsXInputDevice( &pdidInstance->guidProduct );
pNewJoystick = (JoyStick_DeviceData *)SDL_malloc( sizeof(JoyStick_DeviceData) );
if ( bXInputDevice )
{
pNewJoystick->bXInputDevice = SDL_TRUE;
pNewJoystick->XInputUserId = INVALID_XINPUT_USERID;
}
else
{
pNewJoystick->bXInputDevice = SDL_FALSE;
}
SDL_memcpy(&(pNewJoystick->dxdevice), pdidInstance,
sizeof(DIDEVICEINSTANCE));
pNewJoystick->joystickname = WIN_StringToUTF8(pdidInstance->tszProductName);
pNewJoystick->send_add_event = 1;
pNewJoystick->nInstanceID = ++s_nInstanceID;
SDL_memcpy( &pNewJoystick->guid, &pdidInstance->guidProduct, sizeof(pNewJoystick->guid) );
pNewJoystick->pNext = NULL;
if ( SYS_Joystick )
{
pNewJoystick->pNext = SYS_Joystick;
}
SYS_Joystick = pNewJoystick;
s_pKnownJoystickGUIDs[ s_iNewGUID ] = pdidInstance->guidInstance;
s_iNewGUID++;
if ( s_iNewGUID < MAX_JOYSTICKS )
return DIENUM_CONTINUE; // already have this joystick loaded, just keep going
else
return DIENUM_STOP;
}
/* detect any new joysticks being inserted into the system */
void SDL_SYS_JoystickDetect()
{
HRESULT result;
JoyStick_DeviceData *pCurList = NULL;
/* only enum the devices if the joystick thread told us something changed */
if ( s_bDeviceAdded || s_bDeviceRemoved )
{
s_bDeviceAdded = SDL_FALSE;
s_bDeviceRemoved = SDL_FALSE;
pCurList = SYS_Joystick;
SYS_Joystick = NULL;
s_iNewGUID = 0;
SDL_LockMutex( s_mutexJoyStickEnum );
if ( !s_pKnownJoystickGUIDs )
s_pKnownJoystickGUIDs = SDL_malloc( sizeof(GUID)*MAX_JOYSTICKS );
SDL_memset( s_pKnownJoystickGUIDs, 0x0, sizeof(GUID)*MAX_JOYSTICKS );
/* Look for joysticks, wheels, head trackers, gamepads, etc.. */
result = IDirectInput8_EnumDevices(dinput,
DI8DEVCLASS_GAMECTRL,
EnumJoysticksCallback,
&pCurList, DIEDFL_ATTACHEDONLY);
SDL_UnlockMutex( s_mutexJoyStickEnum );
}
if ( pCurList )
{
while ( pCurList )
{
JoyStick_DeviceData *pListNext = NULL;
#if !SDL_EVENTS_DISABLED
SDL_Event event;
event.type = SDL_JOYDEVICEREMOVED;
if (SDL_GetEventState(event.type) == SDL_ENABLE) {
event.jdevice.which = pCurList->nInstanceID;
if ((SDL_EventOK == NULL)
|| (*SDL_EventOK) (SDL_EventOKParam, &event)) {
SDL_PushEvent(&event);
}
}
#endif // !SDL_EVENTS_DISABLED
pListNext = pCurList->pNext;
SDL_free(pCurList->joystickname);
SDL_free( pCurList );
pCurList = pListNext;
}
}
if ( s_bDeviceAdded )
{
JoyStick_DeviceData *pNewJoystick;
int device_index = 0;
s_bDeviceAdded = SDL_FALSE;
pNewJoystick = SYS_Joystick;
while ( pNewJoystick )
{
if ( pNewJoystick->send_add_event )
{
#if !SDL_EVENTS_DISABLED
SDL_Event event;
event.type = SDL_JOYDEVICEADDED;
if (SDL_GetEventState(event.type) == SDL_ENABLE) {
event.jdevice.which = device_index;
if ((SDL_EventOK == NULL)
|| (*SDL_EventOK) (SDL_EventOKParam, &event)) {
SDL_PushEvent(&event);
}
}
#endif /* !SDL_EVENTS_DISABLED */
pNewJoystick->send_add_event = 0;
}
device_index++;
pNewJoystick = pNewJoystick->pNext;
}
}
}
/* we need to poll if we have pending hotplug device changes or connected devices */
SDL_bool SDL_SYS_JoystickNeedsPolling()
{
/* we have a new device or one was pulled, we need to think this frame please */
if ( s_bDeviceAdded || s_bDeviceRemoved )
return SDL_TRUE;
return SDL_FALSE;
}
/* Function to get the device-dependent name of a joystick */
const char *
SDL_SYS_JoystickNameForDeviceIndex(int device_index)
{
JoyStick_DeviceData *device = SYS_Joystick;
for (; device_index > 0; device_index--)
device = device->pNext;
return device->joystickname;
}
/* Function to perform the mapping between current device instance and this joysticks instance id */
SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
{
JoyStick_DeviceData *device = SYS_Joystick;
int index;
for (index = device_index; index > 0; index--)
device = device->pNext;
return device->nInstanceID;
}
/* Function to open a joystick for use.
The joystick to open is specified by the index field of the joystick.
This should fill the nbuttons and naxes fields of the joystick structure.
It returns 0, or -1 if there is an error.
*/
int
SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
{
HRESULT result;
LPDIRECTINPUTDEVICE8 device;
DIPROPDWORD dipdw;
JoyStick_DeviceData *joystickdevice = SYS_Joystick;
for (; device_index > 0; device_index--)
joystickdevice = joystickdevice->pNext;
SDL_memset(&dipdw, 0, sizeof(DIPROPDWORD));
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
/* allocate memory for system specific hardware data */
joystick->instance_id = joystickdevice->nInstanceID;
joystick->closed = 0;
joystick->hwdata =
(struct joystick_hwdata *) SDL_malloc(sizeof(struct joystick_hwdata));
if (joystick->hwdata == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(joystick->hwdata, 0, sizeof(struct joystick_hwdata));
joystick->hwdata->buffered = 1;
joystick->hwdata->removed = 0;
joystick->hwdata->Capabilities.dwSize = sizeof(DIDEVCAPS);
joystick->hwdata->guid = joystickdevice->guid;
if ( joystickdevice->bXInputDevice )
{
XINPUT_CAPABILITIES capabilities;
Uint8 userId = 0;
DWORD result;
JoyStick_DeviceData *joysticklist = SYS_Joystick;
// scan the opened joysticks and pick the next free xinput userid for this one
for( ; joysticklist; joysticklist = joysticklist->pNext)
{
if ( joysticklist->bXInputDevice && joysticklist->XInputUserId == userId )
userId++;
}
if ( s_bXInputEnabled && XINPUTGETCAPABILITIES )
{
result = XINPUTGETCAPABILITIES( userId, XINPUT_FLAG_GAMEPAD, &capabilities );
if ( result == ERROR_SUCCESS )
{
const SDL_bool bIs14OrLater = (SDL_XInputVersion >= ((1<<16)|4));
SDL_bool bIsSupported = SDL_FALSE;
// Current version of XInput mistakenly returns 0 as the Type. Ignore it and ensure the subtype is a gamepad.
bIsSupported = ( capabilities.SubType == XINPUT_DEVSUBTYPE_GAMEPAD );
if ( !bIsSupported )
{
joystickdevice->bXInputDevice = SDL_FALSE;
}
else
{
// valid
joystick->hwdata->bXInputDevice = SDL_TRUE;
if ((!bIs14OrLater) || (capabilities.Flags & XINPUT_CAPS_FFB_SUPPORTED)) {
joystick->hwdata->bXInputHaptic = SDL_TRUE;
}