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unify helix mp3 code, some sound adjustments
[picodrive.git] / platform / common / config.c
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CommitLineData
1/*
2 * Human-readable config file management for PicoDrive
3 * (c) notaz, 2008
4 */
5
6#include <stdio.h>
7#include <string.h>
8#include <stdlib.h>
9#ifdef __EPOC32__
10#include <unistd.h>
11#endif
12#include "config.h"
13#include "input.h"
14#include "lprintf.h"
15
16static char *mystrip(char *str);
17
18#ifndef _MSC_VER
19
20#include "menu.h"
21#include "emu.h"
22#include <pico/pico.h>
23
24#define NL "\r\n"
25
26static int seek_sect(FILE *f, const char *section)
27{
28 char line[128], *tmp;
29 int len;
30
31 len = strlen(section);
32 // seek to the section needed
33 while (!feof(f))
34 {
35 tmp = fgets(line, sizeof(line), f);
36 if (tmp == NULL) break;
37
38 if (line[0] != '[') continue; // not section start
39 if (strncmp(line + 1, section, len) == 0 && line[len+1] == ']')
40 return 1; // found it
41 }
42
43 return 0;
44}
45
46
47static void custom_write(FILE *f, const menu_entry *me, int no_def)
48{
49 char str24[24];
50
51 switch (me->id)
52 {
53 case MA_OPT2_GAMMA:
54 if (no_def && defaultConfig.gamma == currentConfig.gamma) return;
55 fprintf(f, "Gamma correction = %.3f", (double)currentConfig.gamma / 100.0);
56 break;
57 case MA_OPT2_SQUIDGEHACK:
58 if (no_def && !((defaultConfig.EmuOpt^currentConfig.EmuOpt)&0x0010)) return;
59 fprintf(f, "Squidgehack = %i", (currentConfig.EmuOpt&0x0010)>>4);
60 break;
61 case MA_CDOPT_READAHEAD:
62 if (no_def && defaultConfig.s_PicoCDBuffers == PicoCDBuffers) return;
63 sprintf(str24, "%i", PicoCDBuffers * 2);
64 fprintf(f, "ReadAhead buffer = %s", str24);
65 break;
66 /* PSP */
67 case MA_OPT3_SCALE:
68 if (no_def && defaultConfig.scale == currentConfig.scale) return;
69 fprintf(f, "Scale factor = %.2f", currentConfig.scale);
70 break;
71 case MA_OPT3_HSCALE32:
72 if (no_def && defaultConfig.hscale32 == currentConfig.hscale32) return;
73 fprintf(f, "Hor. scale (for low res. games) = %.2f", currentConfig.hscale32);
74 break;
75 case MA_OPT3_HSCALE40:
76 if (no_def && defaultConfig.hscale40 == currentConfig.hscale40) return;
77 fprintf(f, "Hor. scale (for hi res. games) = %.2f", currentConfig.hscale40);
78 break;
79 case MA_OPT3_FILTERING:
80 if (no_def && defaultConfig.scaling == currentConfig.scaling) return;
81 fprintf(f, "Bilinear filtering = %i", currentConfig.scaling);
82 break;
83 case MA_OPT3_GAMMAA:
84 if (no_def && defaultConfig.gamma == currentConfig.gamma) return;
85 fprintf(f, "Gamma adjustment = %i", currentConfig.gamma);
86 break;
87 case MA_OPT3_BLACKLVL:
88 if (no_def && defaultConfig.gamma2 == currentConfig.gamma2) return;
89 fprintf(f, "Black level = %i", currentConfig.gamma2);
90 break;
91 case MA_OPT3_VSYNC:
92 if (no_def && (defaultConfig.EmuOpt&0x12000) == (currentConfig.gamma2&0x12000)) return;
93 strcpy(str24, "never");
94 if (currentConfig.EmuOpt & 0x2000)
95 strcpy(str24, (currentConfig.EmuOpt & 0x10000) ? "sometimes" : "always");
96 fprintf(f, "Wait for vsync = %s", str24);
97 break;
98
99 default:
100 lprintf("unhandled custom_write: %i\n", me->id);
101 return;
102 }
103 fprintf(f, NL);
104}
105
106
107static void keys_write(FILE *fn, const char *bind_str, int dev_id, const int *binds, int no_defaults)
108{
109 char act[48];
110 int key_count, k, i;
111 const int *def_binds;
112
113 key_count = in_get_dev_info(dev_id, IN_INFO_BIND_COUNT);
114 def_binds = in_get_dev_def_binds(dev_id);
115
116 for (k = 0; k < key_count; k++)
117 {
118 const char *name;
119 int t, mask;
120 act[0] = act[31] = 0;
121
122 for (t = 0; t < IN_BINDTYPE_COUNT; t++)
123 if (binds[IN_BIND_OFFS(k, t)] != def_binds[IN_BIND_OFFS(k, t)])
124 break;
125
126 if (no_defaults && t == IN_BINDTYPE_COUNT)
127 continue; /* no change from defaults */
128
129 name = in_get_key_name(dev_id, k);
130
131 for (t = 0; t < IN_BINDTYPE_COUNT; t++)
132 if (binds[IN_BIND_OFFS(k, t)] != 0 || def_binds[IN_BIND_OFFS(k, t)] == 0)
133 break;
134
135 if (t == IN_BINDTYPE_COUNT) {
136 /* key has default bind removed */
137 fprintf(fn, "%s %s =" NL, bind_str, name);
138 continue;
139 }
140
141 for (i = 0; i < sizeof(me_ctrl_actions) / sizeof(me_ctrl_actions[0]); i++) {
142 mask = me_ctrl_actions[i].mask;
143 if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
144 strncpy(act, me_ctrl_actions[i].name, 31);
145 fprintf(fn, "%s %s = player1 %s" NL, bind_str, name, mystrip(act));
146 }
147 mask = me_ctrl_actions[i].mask << 16;
148 if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
149 strncpy(act, me_ctrl_actions[i].name, 31);
150 fprintf(fn, "%s %s = player2 %s" NL, bind_str, name, mystrip(act));
151 }
152 }
153
154 for (i = 0; emuctrl_actions[i].name != NULL; i++) {
155 mask = emuctrl_actions[i].mask;
156 if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_EMU)]) {
157 strncpy(act, emuctrl_actions[i].name, 31);
158 fprintf(fn, "%s %s = %s" NL, bind_str, name, mystrip(act));
159 }
160 }
161 }
162}
163
164
165static int default_var(const menu_entry *me)
166{
167 switch (me->id)
168 {
169 case MA_OPT_ACC_TIMING:
170 case MA_OPT_ACC_SPRITES:
171 case MA_OPT_ARM940_SOUND:
172 case MA_OPT_6BUTTON_PAD:
173 case MA_OPT2_ENABLE_Z80:
174 case MA_OPT2_ENABLE_YM2612:
175 case MA_OPT2_ENABLE_SN76496:
176 case MA_OPT2_SVP_DYNAREC:
177 case MA_CDOPT_CDDA:
178 case MA_CDOPT_PCM:
179 case MA_CDOPT_SAVERAM:
180 case MA_CDOPT_SCALEROT_CHIP:
181 case MA_CDOPT_BETTER_SYNC:
182 return defaultConfig.s_PicoOpt;
183
184 case MA_OPT_SHOW_FPS:
185 case MA_OPT_ENABLE_SOUND:
186 case MA_OPT_SRAM_STATES:
187 case MA_OPT2_A_SN_GAMMA:
188 case MA_OPT2_VSYNC:
189 case MA_OPT2_GZIP_STATES:
190 case MA_OPT2_NO_LAST_ROM:
191 case MA_OPT2_RAMTIMINGS:
192 case MA_CDOPT_LEDS:
193 return defaultConfig.EmuOpt;
194
195 case MA_CTRL_TURBO_RATE: return defaultConfig.turbo_rate;
196 case MA_OPT_SCALING: return defaultConfig.scaling;
197 case MA_OPT_ROTATION: return defaultConfig.rotation;
198
199 case MA_OPT_SAVE_SLOT:
200 default:
201 return 0;
202 }
203}
204
205int config_writesect(const char *fname, const char *section)
206{
207 FILE *fo = NULL, *fn = NULL; // old and new
208 int no_defaults = 0; // avoid saving defaults
209 menu_entry *me;
210 int t, tlen, ret;
211 char line[128], *tmp;
212
213 if (section != NULL)
214 {
215 no_defaults = 1;
216
217 fo = fopen(fname, "r");
218 if (fo == NULL) {
219 fn = fopen(fname, "w");
220 goto write;
221 }
222
223 ret = seek_sect(fo, section);
224 if (!ret) {
225 // sect not found, we can simply append
226 fclose(fo); fo = NULL;
227 fn = fopen(fname, "a");
228 goto write;
229 }
230
231 // use 2 files..
232 fclose(fo);
233 rename(fname, "tmp.cfg");
234 fo = fopen("tmp.cfg", "r");
235 fn = fopen(fname, "w");
236 if (fo == NULL || fn == NULL) goto write;
237
238 // copy everything until sect
239 tlen = strlen(section);
240 while (!feof(fo))
241 {
242 tmp = fgets(line, sizeof(line), fo);
243 if (tmp == NULL) break;
244
245 if (line[0] == '[' && strncmp(line + 1, section, tlen) == 0 && line[tlen+1] == ']')
246 break;
247 fputs(line, fn);
248 }
249
250 // now skip to next sect
251 while (!feof(fo))
252 {
253 tmp = fgets(line, sizeof(line), fo);
254 if (tmp == NULL) break;
255 if (line[0] == '[') {
256 fseek(fo, -strlen(line), SEEK_CUR);
257 break;
258 }
259 }
260 if (feof(fo))
261 {
262 fclose(fo); fo = NULL;
263 remove("tmp.cfg");
264 }
265 }
266 else
267 {
268 fn = fopen(fname, "w");
269 }
270
271write:
272 if (fn == NULL) {
273 if (fo) fclose(fo);
274 return -1;
275 }
276 if (section != NULL)
277 fprintf(fn, "[%s]" NL, section);
278
279 me = me_list_get_first();
280 while (me != NULL)
281 {
282 int dummy;
283 if (!me->need_to_save)
284 goto next;
285 if (me->beh == MB_OPT_ONOFF) {
286 if (!no_defaults || ((*(int *)me->var ^ default_var(me)) & me->mask))
287 fprintf(fn, "%s = %i" NL, me->name, (*(int *)me->var & me->mask) ? 1 : 0);
288 } else if (me->beh == MB_OPT_RANGE) {
289 if (!no_defaults || (*(int *)me->var ^ default_var(me)))
290 fprintf(fn, "%s = %i" NL, me->name, *(int *)me->var);
291 } else if (me->name != NULL && me->generate_name != NULL) {
292 strncpy(line, me->generate_name(0, &dummy), sizeof(line));
293 line[sizeof(line) - 1] = 0;
294 mystrip(line);
295 fprintf(fn, "%s = %s" NL, me->name, line);
296 } else
297 custom_write(fn, me, no_defaults);
298next:
299 me = me_list_get_next();
300 }
301
302 /* input: save device names */
303 for (t = 0; t < IN_MAX_DEVS; t++)
304 {
305 const int *binds = in_get_dev_binds(t);
306 const char *name = in_get_dev_name(t, 0, 0);
307 if (binds == NULL || name == NULL)
308 continue;
309
310 fprintf(fn, "input%d = %s" NL, t, name);
311 }
312
313 /* input: save binds */
314 for (t = 0; t < IN_MAX_DEVS; t++)
315 {
316 const int *binds = in_get_dev_binds(t);
317 const char *name = in_get_dev_name(t, 0, 0);
318 char strbind[16];
319 int count;
320
321 if (binds == NULL || name == NULL)
322 continue;
323
324 sprintf(strbind, "bind%d", t);
325 if (t == 0) strbind[4] = 0;
326
327 count = in_get_dev_info(t, IN_INFO_BIND_COUNT);
328 keys_write(fn, strbind, t, binds, no_defaults);
329 }
330
331#ifndef PSP
332 if (section == NULL)
333 fprintf(fn, "Sound Volume = %i" NL, currentConfig.volume);
334#endif
335
336 fprintf(fn, NL);
337
338 if (fo != NULL)
339 {
340 // copy whatever is left
341 while (!feof(fo))
342 {
343 tmp = fgets(line, sizeof(line), fo);
344 if (tmp == NULL) break;
345
346 fputs(line, fn);
347 }
348 fclose(fo);
349 remove("tmp.cfg");
350 }
351
352 fclose(fn);
353 return 0;
354}
355
356
357int config_writelrom(const char *fname)
358{
359 char line[128], *tmp, *optr = NULL;
360 char *old_data = NULL;
361 int size;
362 FILE *f;
363
364 if (strlen(rom_fname_loaded) == 0) return -1;
365
366 f = fopen(fname, "r");
367 if (f != NULL)
368 {
369 fseek(f, 0, SEEK_END);
370 size = ftell(f);
371 fseek(f, 0, SEEK_SET);
372 old_data = malloc(size + size/8);
373 if (old_data != NULL)
374 {
375 optr = old_data;
376 while (!feof(f))
377 {
378 tmp = fgets(line, sizeof(line), f);
379 if (tmp == NULL) break;
380 mystrip(line);
381 if (strncasecmp(line, "LastUsedROM", 11) == 0)
382 continue;
383 sprintf(optr, "%s", line);
384 optr += strlen(optr);
385 }
386 }
387 fclose(f);
388 }
389
390 f = fopen(fname, "w");
391 if (f == NULL) return -1;
392
393 if (old_data != NULL) {
394 fwrite(old_data, 1, optr - old_data, f);
395 free(old_data);
396 }
397 fprintf(f, "LastUsedROM = %s" NL, rom_fname_loaded);
398 fclose(f);
399 return 0;
400}
401
402/* --------------------------------------------------------------------------*/
403
404int config_readlrom(const char *fname)
405{
406 char line[128], *tmp;
407 int i, len, ret = -1;
408 FILE *f;
409
410 f = fopen(fname, "r");
411 if (f == NULL) return -1;
412
413 // seek to the section needed
414 while (!feof(f))
415 {
416 tmp = fgets(line, sizeof(line), f);
417 if (tmp == NULL) break;
418
419 if (strncasecmp(line, "LastUsedROM", 11) != 0) continue;
420 len = strlen(line);
421 for (i = 0; i < len; i++)
422 if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
423 tmp = strchr(line, '=');
424 if (tmp == NULL) break;
425 tmp++;
426 mystrip(tmp);
427
428 len = sizeof(rom_fname_loaded);
429 strncpy(rom_fname_loaded, tmp, len);
430 rom_fname_loaded[len-1] = 0;
431 ret = 0;
432 break;
433 }
434 fclose(f);
435 return ret;
436}
437
438
439static int custom_read(menu_entry *me, const char *var, const char *val)
440{
441 char *tmp;
442 int tmpi;
443
444 switch (me->id)
445 {
446 case MA_OPT_RENDERER:
447 if (strcasecmp(var, "Renderer") != 0) return 0;
448 if (strcasecmp(val, "8bit fast") == 0 || strcasecmp(val, "fast") == 0) {
449 PicoOpt |= POPT_ALT_RENDERER;
450 }
451 else if (strcasecmp(val, "16bit accurate") == 0 || strcasecmp(val, "accurate") == 0) {
452 PicoOpt &= ~POPT_ALT_RENDERER;
453 currentConfig.EmuOpt |= 0x80;
454 }
455 else if (strcasecmp(val, "8bit accurate") == 0) {
456 PicoOpt &= ~POPT_ALT_RENDERER;
457 currentConfig.EmuOpt &= ~0x80;
458 }
459 else
460 return 0;
461 return 1;
462
463 case MA_OPT_SCALING:
464#ifdef __GP2X__
465 if (strcasecmp(var, "Scaling") != 0) return 0;
466 if (strcasecmp(val, "OFF") == 0) {
467 currentConfig.scaling = EOPT_SCALE_NONE;
468 } else if (strcasecmp(val, "hw horizontal") == 0) {
469 currentConfig.scaling = EOPT_SCALE_HW_H;
470 } else if (strcasecmp(val, "hw horiz. + vert.") == 0) {
471 currentConfig.scaling = EOPT_SCALE_HW_HV;
472 } else if (strcasecmp(val, "sw horizontal") == 0) {
473 currentConfig.scaling = EOPT_SCALE_SW_H;
474 } else
475 return 0;
476 return 1;
477#else
478 return 0;
479#endif
480
481 case MA_OPT_FRAMESKIP:
482 if (strcasecmp(var, "Frameskip") != 0) return 0;
483 if (strcasecmp(val, "Auto") == 0)
484 currentConfig.Frameskip = -1;
485 else currentConfig.Frameskip = atoi(val);
486 return 1;
487
488 case MA_OPT_SOUND_QUALITY:
489 if (strcasecmp(var, "Sound Quality") != 0) return 0;
490 PsndRate = strtoul(val, &tmp, 10);
491 if (PsndRate < 8000 || PsndRate > 44100)
492 PsndRate = 22050;
493 while (*tmp == ' ') tmp++;
494 if (strcasecmp(tmp, "stereo") == 0) {
495 PicoOpt |= POPT_EN_STEREO;
496 } else if (strcasecmp(tmp, "mono") == 0) {
497 PicoOpt &= ~POPT_EN_STEREO;
498 } else
499 return 0;
500 return 1;
501
502 case MA_OPT_REGION:
503 if (strcasecmp(var, "Region") != 0) return 0;
504 if (strncasecmp(val, "Auto: ", 6) == 0)
505 {
506 const char *p = val + 5, *end = val + strlen(val);
507 int i;
508 PicoRegionOverride = PicoAutoRgnOrder = 0;
509 for (i = 0; p < end && i < 3; i++)
510 {
511 while (*p == ' ') p++;
512 if (p[0] == 'J' && p[1] == 'P') {
513 PicoAutoRgnOrder |= 1 << (i*4);
514 } else if (p[0] == 'U' && p[1] == 'S') {
515 PicoAutoRgnOrder |= 4 << (i*4);
516 } else if (p[0] == 'E' && p[1] == 'U') {
517 PicoAutoRgnOrder |= 8 << (i*4);
518 }
519 while (*p != ' ' && *p != 0) p++;
520 if (*p == 0) break;
521 }
522 }
523 else if (strcasecmp(val, "Auto") == 0) {
524 PicoRegionOverride = 0;
525 } else if (strcasecmp(val, "Japan NTSC") == 0) {
526 PicoRegionOverride = 1;
527 } else if (strcasecmp(val, "Japan PAL") == 0) {
528 PicoRegionOverride = 2;
529 } else if (strcasecmp(val, "USA") == 0) {
530 PicoRegionOverride = 4;
531 } else if (strcasecmp(val, "Europe") == 0) {
532 PicoRegionOverride = 8;
533 } else
534 return 0;
535 return 1;
536
537 case MA_OPT_CONFIRM_STATES:
538 if (strcasecmp(var, "Confirm savestate") != 0) return 0;
539 if (strcasecmp(val, "OFF") == 0) {
540 currentConfig.EmuOpt &= ~(5<<9);
541 } else if (strcasecmp(val, "writes") == 0) {
542 currentConfig.EmuOpt &= ~(5<<9);
543 currentConfig.EmuOpt |= 1<<9;
544 } else if (strcasecmp(val, "loads") == 0) {
545 currentConfig.EmuOpt &= ~(5<<9);
546 currentConfig.EmuOpt |= 4<<9;
547 } else if (strcasecmp(val, "both") == 0) {
548 currentConfig.EmuOpt &= ~(5<<9);
549 currentConfig.EmuOpt |= 5<<9;
550 } else
551 return 0;
552 return 1;
553
554#if 0 // TODO rm?
555 case MA_OPT_CPU_CLOCKS:
556#ifdef __GP2X__
557 if (strcasecmp(var, "GP2X CPU clocks") != 0) return 0;
558#elif defined(PSP)
559 if (strcasecmp(var, "PSP CPU clock") != 0) return 0;
560#endif
561 currentConfig.CPUclock = atoi(val);
562 return 1;
563#endif
564
565 case MA_OPT2_GAMMA:
566 if (strcasecmp(var, "Gamma correction") != 0) return 0;
567 currentConfig.gamma = (int) (atof(val) * 100.0);
568 return 1;
569
570 case MA_OPT2_SQUIDGEHACK:
571 if (strcasecmp(var, "Squidgehack") != 0) return 0;
572 tmpi = atoi(val);
573 if (tmpi) *(int *)me->var |= me->mask;
574 else *(int *)me->var &= ~me->mask;
575 return 1;
576
577 case MA_CDOPT_READAHEAD:
578 if (strcasecmp(var, "ReadAhead buffer") != 0) return 0;
579 PicoCDBuffers = atoi(val) / 2;
580 return 1;
581
582 /* PSP */
583 case MA_OPT3_SCALE:
584 if (strcasecmp(var, "Scale factor") != 0) return 0;
585 currentConfig.scale = atof(val);
586 return 1;
587 case MA_OPT3_HSCALE32:
588 if (strcasecmp(var, "Hor. scale (for low res. games)") != 0) return 0;
589 currentConfig.hscale32 = atof(val);
590 return 1;
591 case MA_OPT3_HSCALE40:
592 if (strcasecmp(var, "Hor. scale (for hi res. games)") != 0) return 0;
593 currentConfig.hscale40 = atof(val);
594 return 1;
595 case MA_OPT3_FILTERING:
596 if (strcasecmp(var, "Bilinear filtering") != 0) return 0;
597 currentConfig.scaling = atoi(val);
598 return 1;
599 case MA_OPT3_GAMMAA:
600 if (strcasecmp(var, "Gamma adjustment") != 0) return 0;
601 currentConfig.gamma = atoi(val);
602 return 1;
603 case MA_OPT3_BLACKLVL:
604 if (strcasecmp(var, "Black level") != 0) return 0;
605 currentConfig.gamma2 = atoi(val);
606 return 1;
607 case MA_OPT3_VSYNC:
608 if (strcasecmp(var, "Wait for vsync") != 0) return 0;
609 if (strcasecmp(val, "never") == 0) {
610 currentConfig.EmuOpt &= ~0x12000;
611 } else if (strcasecmp(val, "sometimes") == 0) {
612 currentConfig.EmuOpt |= 0x12000;
613 } else if (strcasecmp(val, "always") == 0) {
614 currentConfig.EmuOpt &= ~0x12000;
615 currentConfig.EmuOpt |= 0x02000;
616 } else
617 return 0;
618 return 1;
619
620 default:
621 lprintf("unhandled custom_read: %i\n", me->id);
622 return 0;
623 }
624}
625
626
627static unsigned int keys_encountered = 0;
628
629static int parse_bind_val(const char *val, int *type)
630{
631 int i;
632
633 *type = IN_BINDTYPE_NONE;
634 if (val[0] == 0)
635 return 0;
636
637 if (strncasecmp(val, "player", 6) == 0)
638 {
639 int player, shift = 0;
640 player = atoi(val + 6) - 1;
641
642 if (player > 1)
643 return -1;
644 if (player == 1)
645 shift = 16;
646
647 *type = IN_BINDTYPE_PLAYER12;
648 for (i = 0; i < sizeof(me_ctrl_actions) / sizeof(me_ctrl_actions[0]); i++) {
649 if (strncasecmp(me_ctrl_actions[i].name, val + 8, strlen(val + 8)) == 0)
650 return me_ctrl_actions[i].mask << shift;
651 }
652 }
653 for (i = 0; emuctrl_actions[i].name != NULL; i++) {
654 if (strncasecmp(emuctrl_actions[i].name, val, strlen(val)) == 0) {
655 *type = IN_BINDTYPE_EMU;
656 return emuctrl_actions[i].mask;
657 }
658 }
659
660 return -1;
661}
662
663static void keys_parse(const char *key, const char *val, int dev_id)
664{
665 int acts, type;
666
667 acts = parse_bind_val(val, &type);
668 if (acts == -1) {
669 lprintf("config: unhandled action \"%s\"\n", val);
670 return;
671 }
672
673 in_config_bind_key(dev_id, key, acts, type);
674}
675
676static int get_numvar_num(const char *var)
677{
678 char *p = NULL;
679 int num;
680
681 if (var[0] == ' ')
682 return 0;
683
684 num = strtoul(var, &p, 10);
685 if (*p == 0 || *p == ' ')
686 return num;
687
688 return -1;
689}
690
691/* map dev number in confing to input dev number */
692static unsigned char input_dev_map[IN_MAX_DEVS];
693
694static void parse(const char *var, const char *val)
695{
696 menu_entry *me;
697 int tmp, ret = 0;
698
699 if (strcasecmp(var, "LastUsedROM") == 0)
700 return; /* handled elsewhere */
701
702 if (strcasecmp(var, "Sound Volume") == 0) {
703 currentConfig.volume = atoi(val);
704 return;
705 }
706
707 /* input: device name */
708 if (strncasecmp(var, "input", 5) == 0) {
709 int num = get_numvar_num(var + 5);
710 if (num >= 0 && num < IN_MAX_DEVS)
711 input_dev_map[num] = in_config_parse_dev(val);
712 else
713 lprintf("config: failed to parse: %s\n", var);
714 return;
715 }
716
717 // key binds
718 if (strncasecmp(var, "bind", 4) == 0) {
719 const char *p = var + 4;
720 int num = get_numvar_num(p);
721 if (num < 0 || num >= IN_MAX_DEVS) {
722 lprintf("config: failed to parse: %s\n", var);
723 return;
724 }
725
726 num = input_dev_map[num];
727 if (num < 0 || num >= IN_MAX_DEVS) {
728 lprintf("config: invalid device id: %s\n", var);
729 return;
730 }
731
732 while (*p && *p != ' ') p++;
733 while (*p && *p == ' ') p++;
734 keys_parse(p, val, num);
735 return;
736 }
737
738 me = me_list_get_first();
739 while (me != NULL && ret == 0)
740 {
741 if (!me->need_to_save)
742 goto next;
743 if (me->name != NULL && me->name[0] != 0) {
744 if (strcasecmp(var, me->name) != 0)
745 goto next; /* surely not this one */
746 if (me->beh == MB_OPT_ONOFF) {
747 tmp = atoi(val);
748 if (tmp) *(int *)me->var |= me->mask;
749 else *(int *)me->var &= ~me->mask;
750 return;
751 } else if (me->beh == MB_OPT_RANGE) {
752 tmp = atoi(val);
753 if (tmp < me->min) tmp = me->min;
754 if (tmp > me->max) tmp = me->max;
755 *(int *)me->var = tmp;
756 return;
757 }
758 }
759 ret = custom_read(me, var, val);
760next:
761 me = me_list_get_next();
762 }
763 if (!ret) lprintf("config_readsect: unhandled var: \"%s\"\n", var);
764}
765
766
767int config_havesect(const char *fname, const char *section)
768{
769 FILE *f;
770 int ret;
771
772 f = fopen(fname, "r");
773 if (f == NULL) return 0;
774
775 ret = seek_sect(f, section);
776 fclose(f);
777 return ret;
778}
779
780int config_readsect(const char *fname, const char *section)
781{
782 char line[128], *var, *val;
783 FILE *f;
784 int ret;
785
786 f = fopen(fname, "r");
787 if (f == NULL) return -1;
788
789 if (section != NULL)
790 {
791 ret = seek_sect(f, section);
792 if (!ret) {
793 lprintf("config_readsect: %s: missing section [%s]\n", fname, section);
794 fclose(f);
795 return -1;
796 }
797 }
798
799 keys_encountered = 0;
800 memset(input_dev_map, 0xff, sizeof(input_dev_map));
801
802 in_config_start();
803 while (!feof(f))
804 {
805 ret = config_get_var_val(f, line, sizeof(line), &var, &val);
806 if (ret == 0) break;
807 if (ret == -1) continue;
808
809 parse(var, val);
810 }
811 in_config_end();
812
813 fclose(f);
814 return 0;
815}
816
817#endif // _MSC_VER
818
819static char *mystrip(char *str)
820{
821 int i, len;
822
823 len = strlen(str);
824 for (i = 0; i < len; i++)
825 if (str[i] != ' ') break;
826 if (i > 0) memmove(str, str + i, len - i + 1);
827
828 len = strlen(str);
829 for (i = len - 1; i >= 0; i--)
830 if (str[i] != ' ') break;
831 str[i+1] = 0;
832
833 return str;
834}
835
836/* returns:
837 * 0 - EOF, end
838 * 1 - parsed ok
839 * -1 - failed to parse line
840 */
841int config_get_var_val(void *file, char *line, int lsize, char **rvar, char **rval)
842{
843 char *var, *val, *tmp;
844 FILE *f = file;
845 int len, i;
846
847 tmp = fgets(line, lsize, f);
848 if (tmp == NULL) return 0;
849
850 if (line[0] == '[') return 0; // other section
851
852 // strip comments, linefeed, spaces..
853 len = strlen(line);
854 for (i = 0; i < len; i++)
855 if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
856 mystrip(line);
857 len = strlen(line);
858 if (len <= 0) return -1;;
859
860 // get var and val
861 for (i = 0; i < len; i++)
862 if (line[i] == '=') break;
863 if (i >= len || strchr(&line[i+1], '=') != NULL) {
864 lprintf("config_readsect: can't parse: %s\n", line);
865 return -1;
866 }
867 line[i] = 0;
868 var = line;
869 val = &line[i+1];
870 mystrip(var);
871 mystrip(val);
872
873#ifndef _MSC_VER
874 if (strlen(var) == 0 || (strlen(val) == 0 && strncasecmp(var, "bind", 4) != 0)) {
875 lprintf("config_readsect: something's empty: \"%s\" = \"%s\"\n", var, val);
876 return -1;;
877 }
878#endif
879
880 *rvar = var;
881 *rval = val;
882 return 1;
883}
884
fast MegaDrive/MegaCD/32X emulator