forked from libretro/RetroArch
-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathssnes.c
1393 lines (1209 loc) · 41.5 KB
/
ssnes.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
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
* Copyright (C) 2010-2011 - Hans-Kristian Arntzen
*
* Some code herein may be based on code found in BSNES.
*
* SSNES is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* SSNES 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with SSNES.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <libsnes.hpp>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <time.h>
#include "driver.h"
#include "file.h"
#include "general.h"
#include "dynamic.h"
#include "record/ffemu.h"
#include "rewind.h"
#include "movie.h"
#include "netplay.h"
#include "strl.h"
#include <assert.h>
#ifdef HAVE_SRC
#include <samplerate.h>
#endif
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#ifdef __APPLE__
#include "SDL.h"
// OSX seems to really need -lSDLmain,
// so we include SDL.h here so it can hack our main.
// I had issues including this in Win32 for some reason. :)
#endif
struct global g_extern = {
.video_active = true,
.audio_active = true,
.game_type = SSNES_CART_NORMAL,
};
// To avoid continous switching if we hold the button down, we require that the button must go from pressed, unpressed back to pressed to be able to toggle between then.
static void set_fast_forward_button(bool new_button_state)
{
static bool old_button_state = false;
static bool syncing_state = false;
if (new_button_state && !old_button_state)
{
syncing_state = !syncing_state;
if (g_extern.video_active)
driver.video->set_nonblock_state(driver.video_data, syncing_state);
if (g_extern.audio_active)
driver.audio->set_nonblock_state(driver.audio_data, (g_settings.audio.sync) ? syncing_state : true);
if (syncing_state)
g_extern.audio_data.chunk_size = g_extern.audio_data.nonblock_chunk_size;
else
g_extern.audio_data.chunk_size = g_extern.audio_data.block_chunk_size;
}
old_button_state = new_button_state;
}
// libsnes: 0.065
// Format received is 16-bit 0RRRRRGGGGGBBBBB
static void video_frame(const uint16_t *data, unsigned width, unsigned height)
{
if ( !g_extern.video_active )
return;
#ifdef HAVE_FFMPEG
if (g_extern.recording)
{
struct ffemu_video_data ffemu_data = {
.data = data,
.pitch = height == 448 || height == 478 ? 1024 : 2048,
.width = width,
.height = height
};
ffemu_push_video(g_extern.rec, &ffemu_data);
}
#endif
const char *msg = msg_queue_pull(g_extern.msg_queue);
#ifdef HAVE_FILTER
if (g_extern.filter.active)
{
unsigned owidth = width;
unsigned oheight = height;
g_extern.filter.psize(&owidth, &oheight);
g_extern.filter.prender(g_extern.filter.colormap, g_extern.filter.buffer,
g_extern.filter.pitch, data, (height == 448 || height == 478) ? 1024 : 2048, width, height);
if (!driver.video->frame(driver.video_data, g_extern.filter.buffer, owidth, oheight, g_extern.filter.pitch, msg))
g_extern.video_active = false;
}
else if (!driver.video->frame(driver.video_data, data, width, height, (height == 448 || height == 478) ? 1024 : 2048, msg))
g_extern.video_active = false;
#else
if (!driver.video->frame(driver.video_data, data, width, height, (height == 448 || height == 478) ? 1024 : 2048, msg))
g_extern.video_active = false;
#endif
}
static void audio_sample(uint16_t left, uint16_t right)
{
if ( !g_extern.audio_active )
return;
#ifdef HAVE_FFMPEG
if (g_extern.recording)
{
static int16_t static_data[2];
static_data[0] = left;
static_data[1] = right;
struct ffemu_audio_data ffemu_data = {
.data = static_data,
.frames = 1
};
ffemu_push_audio(g_extern.rec, &ffemu_data);
}
#endif
g_extern.audio_data.data[g_extern.audio_data.data_ptr++] = (float)(int16_t)left/0x8000;
g_extern.audio_data.data[g_extern.audio_data.data_ptr++] = (float)(int16_t)right/0x8000;
if (g_extern.audio_data.data_ptr >= g_extern.audio_data.chunk_size)
{
if (g_extern.frame_is_reverse) // Disable fucked up audio when rewinding...
memset(g_extern.audio_data.data, 0, g_extern.audio_data.chunk_size * sizeof(float));
#ifdef HAVE_SRC
SRC_DATA src_data = {
#else
struct hermite_data src_data = {
#endif
.data_in = g_extern.audio_data.data,
.data_out = g_extern.audio_data.outsamples,
.input_frames = g_extern.audio_data.chunk_size / 2,
.output_frames = g_extern.audio_data.chunk_size * 8,
.end_of_input = 0,
.src_ratio = (double)g_settings.audio.out_rate / (double)g_settings.audio.in_rate,
};
#ifdef HAVE_SRC
src_process(g_extern.audio_data.source, &src_data);
#else
hermite_process(g_extern.audio_data.source, &src_data);
#endif
if (g_extern.audio_data.use_float)
{
if (driver.audio->write(driver.audio_data, g_extern.audio_data.outsamples, src_data.output_frames_gen * sizeof(float) * 2) < 0)
{
fprintf(stderr, "SSNES [ERROR]: Audio backend failed to write. Will continue without sound.\n");
g_extern.audio_active = false;
}
}
else
{
for (unsigned i = 0; i < src_data.output_frames_gen * 2; i++)
{
int32_t val = g_extern.audio_data.outsamples[i] * 0x8000;
g_extern.audio_data.conv_outsamples[i] = (val > 0x7FFF) ? 0x7FFF : (val < -0x8000 ? -0x8000 : (int16_t)val);
}
if (driver.audio->write(driver.audio_data, g_extern.audio_data.conv_outsamples, src_data.output_frames_gen * sizeof(int16_t) * 2) < 0)
{
fprintf(stderr, "SSNES [ERROR]: Audio backend failed to write. Will continue without sound.\n");
g_extern.audio_active = false;
}
}
g_extern.audio_data.data_ptr = 0;
}
}
static void input_poll(void)
{
driver.input->poll(driver.input_data);
}
static int16_t input_state(bool port, unsigned device, unsigned index, unsigned id)
{
if (g_extern.bsv_movie && g_extern.bsv_movie_playback)
{
int16_t ret;
if (bsv_movie_get_input(g_extern.bsv_movie, &ret))
return ret;
else
{
g_extern.bsv_movie_end = true;
return 0;
}
}
const struct snes_keybind *binds[MAX_PLAYERS];
for (int i = 0; i < MAX_PLAYERS; i++)
binds[i] = g_settings.input.binds[i];
int16_t res = driver.input->input_state(driver.input_data, binds, port, device, index, id);
if (g_extern.bsv_movie && !g_extern.bsv_movie_playback)
bsv_movie_set_input(g_extern.bsv_movie, res);
return res;
}
static void fill_pathname(char *out_path, const char *in_path, const char *replace, size_t size)
{
char tmp_path[strlen(in_path) + 1];
strlcpy(tmp_path, in_path, sizeof(tmp_path));
char *tok = NULL;
tok = strrchr(tmp_path, '.');
if (tok != NULL)
*tok = '\0';
assert(strlcpy(out_path, tmp_path, size) < size);
assert(strlcat(out_path, replace, size) < size);
}
static void fill_pathname_noext(char *out_path, const char *in_path, const char *replace, size_t size)
{
assert(strlcpy(out_path, in_path, size) < size);
assert(strlcat(out_path, replace, size) < size);
}
#ifdef _WIN32
#define SSNES_DEFAULT_CONF_PATH_STR "\n\tDefaults to ssnes.cfg in same directory as ssnes.exe"
#elif defined(__APPLE__)
#define SSNES_DEFAULT_CONF_PATH_STR " Defaults to $HOME/.ssnes.cfg"
#else
#define SSNES_DEFAULT_CONF_PATH_STR " Defaults to $XDG_CONFIG_HOME/ssnes/ssnes.cfg"
#endif
#ifdef _WIN32
#define PACKAGE_VERSION "0.4-beta"
#endif
#include "config.features.h"
#define _PSUPP(var, name, desc) printf("\t%s:\n\t\t%s: %s\n", name, desc, _##var##_supp ? "yes" : "no")
static void print_features(void)
{
puts("");
puts("Features:");
_PSUPP(sdl, "SDL", "SDL drivers");
_PSUPP(alsa, "ALSA", "audio driver");
_PSUPP(oss, "OSS", "audio driver");
_PSUPP(jack, "Jack", "audio driver");
_PSUPP(rsound, "RSound", "audio driver");
_PSUPP(roar, "RoarAudio", "audio driver");
_PSUPP(pulse, "PulseAudio", "audio driver");
_PSUPP(xaudio, "XAudio2", "audio driver");
_PSUPP(al, "OpenAL", "audio driver");
_PSUPP(filter, "Filter", "CPU based video filters");
_PSUPP(cg, "Cg", "Cg pixel shaders");
_PSUPP(xml, "XML", "bSNES XML pixel shaders");
_PSUPP(fbo, "FBO", "OpenGL render-to-texture (multi-pass shaders)");
_PSUPP(dynamic, "Dynamic", "Dynamic run-time loading of libsnes library");
_PSUPP(ffmpeg, "FFmpeg", "On-the-fly recording of gameplay with libavcodec");
_PSUPP(src, "SRC", "libsamplerate audio resampling");
_PSUPP(configfile, "Config file", "Configuration file support");
_PSUPP(freetype, "FreeType", "TTF font rendering with FreeType");
_PSUPP(netplay, "Netplay", "Peer-to-peer netplay");
}
#undef _PSUPP
static void print_help(void)
{
puts("===================================================================");
puts("ssnes: Simple Super Nintendo Emulator (libsnes) -- v" PACKAGE_VERSION " --");
puts("===================================================================");
puts("Usage: ssnes [rom file] [options...]");
puts("\t-h/--help: Show this help message");
puts("\t-s/--save: Path for save file (*.srm). Required when rom is input from stdin");
puts("\t-S/--savestate: Path to use for save states. If not selected, *.state will be assumed.");
#ifdef HAVE_CONFIGFILE
puts("\t-c/--config: Path for config file." SSNES_DEFAULT_CONF_PATH_STR);
#endif
puts("\t-g/--gameboy: Path to Gameboy ROM. Load SuperGameBoy as the regular rom.");
puts("\t-b/--bsx: Path to BSX rom. Load BSX BIOS as the regular rom.");
puts("\t-B/--bsxslot: Path to BSX slotted rom. Load BSX BIOS as the regular rom.");
puts("\t--sufamiA: Path to A slot of Sufami Turbo. Load Sufami base cart as regular rom.");
puts("\t--sufamiB: Path to B slot of Sufami Turbo.");
puts("\t-m/--mouse: Connect a virtual mouse into designated port of the SNES (1 or 2).");
puts("\t\tThis argument can be specified several times to connect more mice.");
puts("\t-p/--scope: Connect a virtual SuperScope into port 2 of the SNES.");
puts("\t-j/--justifier: Connect a virtual Konami Justifier into port 2 of the SNES.");
puts("\t-J/--justifiers: Daisy chain two virtual Konami Justifiers into port 2 of the SNES.");
puts("\t-4/--multitap: Connect a multitap to port 2 of the SNES.");
puts("\t-P/--bsvplay: Playback a BSV movie file.");
#ifdef HAVE_NETPLAY
puts("\t-H/--host: Host netplay as player 1.");
puts("\t-C/--connect: Connect to netplay as player 2.");
puts("\t--port: Port used to netplay. Default is 55435.");
puts("\t-F/--frames: Sync frames when using netplay.");
#endif
#ifdef HAVE_FFMPEG
puts("\t-r/--record: Path to record video file. Settings for video/audio codecs are found in config file.");
#endif
puts("\t-v/--verbose: Verbose logging");
puts("\t-U/--ups: Specifies path for UPS patch that will be applied to ROM.\n");
print_features();
}
static void set_basename(const char *path)
{
char tmp[strlen(path) + 1];
strcpy(tmp, path);
char *dst = strrchr(tmp, '.');
if (dst)
*dst = '\0';
strlcpy(g_extern.basename, tmp, sizeof(g_extern.basename));
}
static void parse_input(int argc, char *argv[])
{
if (argc < 2)
{
print_help();
exit(1);
}
int val = 0;
struct option opts[] = {
{ "help", 0, NULL, 'h' },
{ "save", 1, NULL, 's' },
#ifdef HAVE_FFMPEG
{ "record", 1, NULL, 'r' },
#endif
{ "verbose", 0, NULL, 'v' },
{ "gameboy", 1, NULL, 'g' },
#ifdef HAVE_CONFIGFILE
{ "config", 0, NULL, 'c' },
#endif
{ "mouse", 1, NULL, 'm' },
{ "scope", 0, NULL, 'p' },
{ "savestate", 1, NULL, 'S' },
{ "bsx", 1, NULL, 'b' },
{ "bsxslot", 1, NULL, 'B' },
{ "justifier", 0, NULL, 'j' },
{ "justifiers", 0, NULL, 'J' },
{ "multitap", 0, NULL, '4' },
{ "sufamiA", 1, NULL, 'Y' },
{ "sufamiB", 1, NULL, 'Z' },
{ "bsvplay", 1, NULL, 'P' },
{ "host", 0, NULL, 'H' },
{ "connect", 1, NULL, 'C' },
{ "frames", 1, NULL, 'F' },
{ "port", 1, &val, 'p' },
{ "ups", 1, NULL, 'U' },
{ NULL, 0, NULL, 0 }
};
int option_index = 0;
#ifdef HAVE_FFMPEG
#define FFMPEG_RECORD_ARG "r:"
#else
#define FFMPEG_RECORD_ARG
#endif
#ifdef HAVE_CONFIGFILE
#define CONFIG_FILE_ARG "c:"
#else
#define CONFIG_FILE_ARG
#endif
char optstring[] = "hs:vS:m:p4jJg:b:B:Y:Z:P:HC:F:U:" FFMPEG_RECORD_ARG CONFIG_FILE_ARG;
for(;;)
{
val = 0;
int c = getopt_long(argc, argv, optstring, opts, &option_index);
int port;
if (c == -1)
break;
switch (c)
{
case 'h':
print_help();
exit(0);
case '4':
g_extern.has_multitap = true;
break;
case 'j':
g_extern.has_justifier = true;
break;
case 'J':
g_extern.has_justifiers = true;
break;
case 's':
strlcpy(g_extern.savefile_name_srm, optarg, sizeof(g_extern.savefile_name_srm));
g_extern.has_set_save_path = true;
break;
case 'g':
strlcpy(g_extern.gb_rom_path, optarg, sizeof(g_extern.gb_rom_path));
g_extern.game_type = SSNES_CART_SGB;
break;
case 'b':
strlcpy(g_extern.bsx_rom_path, optarg, sizeof(g_extern.bsx_rom_path));
g_extern.game_type = SSNES_CART_BSX;
break;
case 'B':
strlcpy(g_extern.bsx_rom_path, optarg, sizeof(g_extern.bsx_rom_path));
g_extern.game_type = SSNES_CART_BSX_SLOTTED;
break;
case 'Y':
strlcpy(g_extern.sufami_rom_path[0], optarg, sizeof(g_extern.sufami_rom_path[0]));
g_extern.game_type = SSNES_CART_SUFAMI;
break;
case 'Z':
strlcpy(g_extern.sufami_rom_path[1], optarg, sizeof(g_extern.sufami_rom_path[1]));
g_extern.game_type = SSNES_CART_SUFAMI;
break;
case 'S':
strlcpy(g_extern.savestate_name, optarg, sizeof(g_extern.savestate_name));
g_extern.has_set_state_path = true;
break;
case 'v':
g_extern.verbose = true;
break;
case 'm':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > 2)
{
SSNES_ERR("Connect mouse to port 1 or 2.\n");
print_help();
exit(1);
}
g_extern.has_mouse[port - 1] = true;
break;
case 'p':
g_extern.has_scope[1] = true;
break;
#ifdef HAVE_CONFIGFILE
case 'c':
strlcpy(g_extern.config_path, optarg, sizeof(g_extern.config_path));
break;
#endif
#ifdef HAVE_FFMPEG
case 'r':
strlcpy(g_extern.record_path, optarg, sizeof(g_extern.record_path));
g_extern.recording = true;
break;
#endif
case 'P':
strlcpy(g_extern.bsv_movie_path, optarg, sizeof(g_extern.bsv_movie_path));
g_extern.bsv_movie_playback = true;
break;
case 'H':
g_extern.netplay_enable = true;
break;
case 'C':
g_extern.netplay_enable = true;
strlcpy(g_extern.netplay_server, optarg, sizeof(g_extern.netplay_server));
break;
case 'F':
g_extern.netplay_sync_frames = strtol(optarg, NULL, 0);
if (g_extern.netplay_sync_frames > 32)
g_extern.netplay_sync_frames = 32;
break;
case 'U':
strlcpy(g_extern.ups_name, optarg, sizeof(g_extern.ups_name));
break;
case 0:
switch (val)
{
case 'p':
g_extern.netplay_port = strtol(optarg, NULL, 0);
break;
default:
break;
}
break;
case '?':
print_help();
exit(1);
default:
SSNES_ERR("Error parsing arguments.\n");
exit(1);
}
}
if (optind < argc)
{
set_basename(argv[optind]);
SSNES_LOG("Opening file: \"%s\"\n", argv[optind]);
g_extern.rom_file = fopen(argv[optind], "rb");
if (g_extern.rom_file == NULL)
{
SSNES_ERR("Could not open file: \"%s\"\n", argv[optind]);
exit(1);
}
// strl* would be nice :D
if (!g_extern.has_set_save_path)
fill_pathname_noext(g_extern.savefile_name_srm, g_extern.basename, ".srm", sizeof(g_extern.savefile_name_srm));
if (!g_extern.has_set_state_path)
fill_pathname_noext(g_extern.savestate_name, g_extern.basename, ".state", sizeof(g_extern.savestate_name));
}
else if (strlen(g_extern.savefile_name_srm) == 0)
{
SSNES_ERR("Need savefile path argument (--save) when reading rom from stdin.\n");
print_help();
exit(1);
}
else if (strlen(g_extern.savestate_name) == 0)
{
SSNES_ERR("Need savestate path argument (--savefile) when reading rom from stdin.\n");
print_help();
exit(1);
}
}
// TODO: Add rest of the controllers.
static void init_controllers(void)
{
if (g_extern.has_justifier)
{
SSNES_LOG("Connecting Justifier to port 2.\n");
psnes_set_controller_port_device(SNES_PORT_2, SNES_DEVICE_JUSTIFIER);
}
else if (g_extern.has_justifiers)
{
SSNES_LOG("Connecting Justifiers to port 2.\n");
psnes_set_controller_port_device(SNES_PORT_2, SNES_DEVICE_JUSTIFIERS);
}
else if (g_extern.has_multitap)
{
SSNES_LOG("Connecting multitap to port 2.\n");
psnes_set_controller_port_device(SNES_PORT_2, SNES_DEVICE_MULTITAP);
}
else
{
for (int i = 0; i < 2; i++)
{
if (g_extern.has_mouse[i])
{
SSNES_LOG("Connecting mouse to port %d\n", i + 1);
psnes_set_controller_port_device(i, SNES_DEVICE_MOUSE);
}
else if (g_extern.has_scope[i])
{
SSNES_LOG("Connecting scope to port %d\n", i + 1);
psnes_set_controller_port_device(i, SNES_DEVICE_SUPER_SCOPE);
}
}
}
}
static inline void load_save_files(void)
{
switch (g_extern.game_type)
{
case SSNES_CART_NORMAL:
load_ram_file(g_extern.savefile_name_srm, SNES_MEMORY_CARTRIDGE_RAM);
load_ram_file(g_extern.savefile_name_rtc, SNES_MEMORY_CARTRIDGE_RTC);
break;
case SSNES_CART_SGB:
save_ram_file(g_extern.savefile_name_srm, SNES_MEMORY_GAME_BOY_RAM);
save_ram_file(g_extern.savefile_name_rtc, SNES_MEMORY_GAME_BOY_RTC);
break;
case SSNES_CART_BSX:
case SSNES_CART_BSX_SLOTTED:
load_ram_file(g_extern.savefile_name_srm, SNES_MEMORY_BSX_RAM);
load_ram_file(g_extern.savefile_name_psrm, SNES_MEMORY_BSX_PRAM);
break;
case SSNES_CART_SUFAMI:
load_ram_file(g_extern.savefile_name_asrm, SNES_MEMORY_SUFAMI_TURBO_A_RAM);
load_ram_file(g_extern.savefile_name_bsrm, SNES_MEMORY_SUFAMI_TURBO_B_RAM);
break;
default:
break;
}
}
static inline void save_files(void)
{
switch (g_extern.game_type)
{
case SSNES_CART_NORMAL:
save_ram_file(g_extern.savefile_name_srm, SNES_MEMORY_CARTRIDGE_RAM);
save_ram_file(g_extern.savefile_name_rtc, SNES_MEMORY_CARTRIDGE_RTC);
break;
case SSNES_CART_SGB:
save_ram_file(g_extern.savefile_name_srm, SNES_MEMORY_GAME_BOY_RAM);
save_ram_file(g_extern.savefile_name_rtc, SNES_MEMORY_GAME_BOY_RTC);
break;
case SSNES_CART_BSX:
case SSNES_CART_BSX_SLOTTED:
save_ram_file(g_extern.savefile_name_srm, SNES_MEMORY_BSX_RAM);
save_ram_file(g_extern.savefile_name_psrm, SNES_MEMORY_BSX_PRAM);
break;
case SSNES_CART_SUFAMI:
save_ram_file(g_extern.savefile_name_asrm, SNES_MEMORY_SUFAMI_TURBO_A_RAM);
save_ram_file(g_extern.savefile_name_bsrm, SNES_MEMORY_SUFAMI_TURBO_B_RAM);
break;
default:
break;
}
}
#ifdef HAVE_FFMPEG
static void init_recording(void)
{
// Hardcode these options at the moment. Should be specificed in the config file later on.
if (g_extern.recording)
{
struct ffemu_rational ntsc_fps = {60000, 1000};
struct ffemu_rational pal_fps = {50000, 1000};
struct ffemu_params params = {
.vcodec = FFEMU_VIDEO_H264,
.acodec = FFEMU_AUDIO_VORBIS,
.rescaler = FFEMU_RESCALER_POINT,
.out_width = 512,
.out_height = 448,
.channels = 2,
.samplerate = 32000,
.filename = g_extern.record_path,
.fps = psnes_get_region() == SNES_REGION_NTSC ? ntsc_fps : pal_fps,
.aspect_ratio = 4.0/3
};
SSNES_LOG("Recording with FFmpeg to %s.\n", g_extern.record_path);
g_extern.rec = ffemu_new(¶ms);
if (!g_extern.rec)
{
SSNES_ERR("Failed to start FFmpeg recording.\n");
g_extern.recording = false;
}
}
}
static void deinit_recording(void)
{
if (g_extern.recording)
{
ffemu_finalize(g_extern.rec);
ffemu_free(g_extern.rec);
}
}
#endif
static void init_msg_queue(void)
{
g_extern.msg_queue = msg_queue_new(8);
assert(g_extern.msg_queue);
}
static void deinit_msg_queue(void)
{
if (g_extern.msg_queue)
msg_queue_free(g_extern.msg_queue);
}
static void init_rewind(void)
{
if (g_settings.rewind_enable)
{
size_t serial_size = psnes_serialize_size();
g_extern.state_buf = malloc((serial_size + 3) & ~3); // Make sure we allocate at least 4-byte multiple.
psnes_serialize(g_extern.state_buf, serial_size);
SSNES_LOG("Initing rewind buffer with size: %u MB\n", (unsigned)g_settings.rewind_buffer_size / 1000000);
g_extern.state_manager = state_manager_new((serial_size + 3) & ~3, g_settings.rewind_buffer_size, g_extern.state_buf);
if (!g_extern.state_manager)
SSNES_WARN("Failed to init rewind buffer. Rewinding will be disabled!\n");
}
}
static void deinit_rewind(void)
{
if (g_extern.state_manager)
state_manager_free(g_extern.state_manager);
if (g_extern.state_buf)
free(g_extern.state_buf);
}
static void init_movie(void)
{
if (g_extern.bsv_movie_playback)
{
g_extern.bsv_movie = bsv_movie_init(g_extern.bsv_movie_path, SSNES_MOVIE_PLAYBACK);
if (!g_extern.bsv_movie)
{
SSNES_ERR("Failed to load movie file: \"%s\"!\n", g_extern.bsv_movie_path);
exit(1);
}
msg_queue_push(g_extern.msg_queue, "Starting movie playback!", 2, 180);
SSNES_LOG("Starting movie playback!\n");
}
}
static void deinit_movie(void)
{
if (g_extern.bsv_movie)
bsv_movie_free(g_extern.bsv_movie);
}
#define SSNES_DEFAULT_PORT 55435
#ifdef HAVE_NETPLAY
static void init_netplay(void)
{
if (g_extern.netplay_enable)
{
struct snes_callbacks cbs = {
.frame_cb = video_frame,
.sample_cb = audio_sample,
.poll_cb = input_poll,
.state_cb = input_state
};
if (strlen(g_extern.netplay_server) > 0)
{
SSNES_LOG("Connecting to netplay host...\n");
g_extern.netplay_is_client = true;
}
else
SSNES_LOG("Waiting for client...\n");
g_extern.netplay = netplay_new(g_extern.netplay_is_client ? g_extern.netplay_server : NULL, g_extern.netplay_port ? g_extern.netplay_port : SSNES_DEFAULT_PORT, g_extern.netplay_sync_frames, &cbs);
if (!g_extern.netplay)
{
g_extern.netplay_is_client = false;
SSNES_WARN("Failed to init netplay...\n");
}
}
}
#endif
#ifdef HAVE_NETPLAY
static void deinit_netplay(void)
{
if (g_extern.netplay)
netplay_free(g_extern.netplay);
}
#endif
static void init_autosave(void)
{
int ram_types[2] = {-1, -1};
const char *ram_paths[2] = {NULL, NULL};
switch (g_extern.game_type)
{
case SSNES_CART_BSX:
case SSNES_CART_BSX_SLOTTED:
ram_types[0] = SNES_MEMORY_BSX_RAM;
ram_types[1] = SNES_MEMORY_BSX_PRAM;
ram_paths[0] = g_extern.savefile_name_srm;
ram_paths[1] = g_extern.savefile_name_psrm;
break;
case SSNES_CART_SUFAMI:
ram_types[0] = SNES_MEMORY_SUFAMI_TURBO_A_RAM;
ram_types[1] = SNES_MEMORY_SUFAMI_TURBO_B_RAM;
ram_paths[0] = g_extern.savefile_name_asrm;
ram_paths[1] = g_extern.savefile_name_bsrm;
break;
case SSNES_CART_SGB:
ram_types[0] = SNES_MEMORY_GAME_BOY_RAM;
ram_types[1] = SNES_MEMORY_GAME_BOY_RTC;
ram_paths[0] = g_extern.savefile_name_srm;
ram_paths[1] = g_extern.savefile_name_rtc;
break;
default:
ram_types[0] = SNES_MEMORY_CARTRIDGE_RAM;
ram_types[1] = SNES_MEMORY_CARTRIDGE_RTC;
ram_paths[0] = g_extern.savefile_name_srm;
ram_paths[1] = g_extern.savefile_name_rtc;
}
if (g_settings.autosave_interval > 0)
{
for (unsigned i = 0; i < sizeof(g_extern.autosave)/sizeof(g_extern.autosave[0]); i++)
{
if (ram_paths[i] && strlen(ram_paths[i]) > 0 && psnes_get_memory_size(ram_types[i]) > 0)
{
g_extern.autosave[i] = autosave_new(ram_paths[i],
psnes_get_memory_data(ram_types[i]),
psnes_get_memory_size(ram_types[i]),
g_settings.autosave_interval);
if (!g_extern.autosave[i])
SSNES_WARN("Could not initialize autosave.\n");
}
}
}
}
static void deinit_autosave(void)
{
for (unsigned i = 0; i < sizeof(g_extern.autosave)/sizeof(g_extern.autosave[0]); i++)
{
if (g_extern.autosave[i])
autosave_free(g_extern.autosave[i]);
}
}
static void fill_pathnames(void)
{
switch (g_extern.game_type)
{
case SSNES_CART_BSX:
case SSNES_CART_BSX_SLOTTED:
// BSX PSRM
if (!g_extern.has_set_save_path)
fill_pathname(g_extern.savefile_name_srm, g_extern.bsx_rom_path, ".srm", sizeof(g_extern.savefile_name_srm));
if (!g_extern.has_set_state_path)
fill_pathname(g_extern.savestate_name, g_extern.bsx_rom_path, ".state", sizeof(g_extern.savestate_name));
fill_pathname(g_extern.savefile_name_psrm, g_extern.savefile_name_srm, ".psrm", sizeof(g_extern.savefile_name_psrm));
break;
case SSNES_CART_SUFAMI:
// SUFAMI ARAM
fill_pathname(g_extern.savefile_name_asrm, g_extern.savefile_name_srm, ".asrm", sizeof(g_extern.savefile_name_asrm));
// SUFAMI BRAM
fill_pathname(g_extern.savefile_name_bsrm, g_extern.savefile_name_srm, ".bsrm", sizeof(g_extern.savefile_name_bsrm));
break;
case SSNES_CART_SGB:
if (!g_extern.has_set_save_path)
fill_pathname(g_extern.savefile_name_srm, g_extern.gb_rom_path, ".srm", sizeof(g_extern.savefile_name_srm));
if (!g_extern.has_set_state_path)
fill_pathname(g_extern.savestate_name, g_extern.gb_rom_path, ".state", sizeof(g_extern.savestate_name));
fill_pathname(g_extern.savefile_name_rtc, g_extern.savefile_name_srm, ".rtc", sizeof(g_extern.savefile_name_rtc));
break;
default:
// Infer .rtc save path from save ram path.
fill_pathname(g_extern.savefile_name_rtc, g_extern.savefile_name_srm, ".rtc", sizeof(g_extern.savefile_name_rtc));
}
if (!g_extern.bsv_movie_playback)
fill_pathname(g_extern.bsv_movie_path, g_extern.savefile_name_srm, "", sizeof(g_extern.bsv_movie_path));
if (!(*g_extern.ups_name) && *g_extern.basename)
fill_pathname_noext(g_extern.ups_name, g_extern.basename, ".ups", sizeof(g_extern.ups_name));
}
// Save or load state here.
static void check_savestates(void)
{
static bool old_should_savestate = false;
bool should_savestate = driver.input->key_pressed(driver.input_data, SSNES_SAVE_STATE_KEY);
if (should_savestate && !old_should_savestate)
{
char save_path[strlen(g_extern.savestate_name) * 2];
if (g_extern.state_slot > 0)
snprintf(save_path, sizeof(save_path), "%s%u", g_extern.savestate_name, g_extern.state_slot);
else
snprintf(save_path, sizeof(save_path), "%s", g_extern.savestate_name);
if(!save_state(save_path))
{
msg_queue_clear(g_extern.msg_queue);
char msg[512];
snprintf(msg, sizeof(msg), "Failed to save state to \"%s\"", save_path);
msg_queue_push(g_extern.msg_queue, msg, 2, 180);
}
else
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Saved state!", 1, 180);
}
}
old_should_savestate = should_savestate;
static bool old_should_loadstate = false;
bool should_loadstate = driver.input->key_pressed(driver.input_data, SSNES_LOAD_STATE_KEY);
if (!should_savestate && should_loadstate && !old_should_loadstate)
{
char load_path[strlen(g_extern.savestate_name) * 2];
if (g_extern.state_slot > 0)
snprintf(load_path, sizeof(load_path), "%s%u", g_extern.savestate_name, g_extern.state_slot);
else
snprintf(load_path, sizeof(load_path), "%s", g_extern.savestate_name);
if(!load_state(load_path))
{
msg_queue_clear(g_extern.msg_queue);
char msg[512];
snprintf(msg, sizeof(msg), "Failed to load state from \"%s\"", load_path);
msg_queue_push(g_extern.msg_queue, msg, 2, 180);
}
else
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Loaded state!", 1, 180);
}
}
old_should_loadstate = should_loadstate;
}
static void check_fullscreen(void)
{
// If we go fullscreen we drop all drivers and reinit to be safe.
if (driver.input->key_pressed(driver.input_data, SSNES_FULLSCREEN_TOGGLE_KEY))
{
g_settings.video.fullscreen = !g_settings.video.fullscreen;
uninit_drivers();
init_drivers();
}
}
static void check_stateslots(void)
{
// Save state slots
static bool old_should_slot_increase = false;
bool should_slot_increase = driver.input->key_pressed(driver.input_data, SSNES_STATE_SLOT_PLUS);
if (should_slot_increase && !old_should_slot_increase)
{
g_extern.state_slot++;
msg_queue_clear(g_extern.msg_queue);
char msg[256];
snprintf(msg, sizeof(msg), "Save state/movie slot: %u", g_extern.state_slot);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
SSNES_LOG("%s\n", msg);
}
old_should_slot_increase = should_slot_increase;
static bool old_should_slot_decrease = false;
bool should_slot_decrease = driver.input->key_pressed(driver.input_data, SSNES_STATE_SLOT_MINUS);
if (should_slot_decrease && !old_should_slot_decrease)
{
if (g_extern.state_slot > 0)
g_extern.state_slot--;
msg_queue_clear(g_extern.msg_queue);
char msg[256];
snprintf(msg, sizeof(msg), "Save state/movie slot: %u", g_extern.state_slot);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
SSNES_LOG("%s\n", msg);
}
old_should_slot_decrease = should_slot_decrease;
}
static void check_input_rate(void)
{
bool display = false;
if (driver.input->key_pressed(driver.input_data, SSNES_AUDIO_INPUT_RATE_PLUS))
{
g_settings.audio.in_rate += g_settings.audio.rate_step;
display = true;
}
else if (driver.input->key_pressed(driver.input_data, SSNES_AUDIO_INPUT_RATE_MINUS))