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improved game vidmode change detection; some iface changes
[picodrive.git] / platform / common / config.c
CommitLineData
835e7900 1/*
2 * Human-readable config file management for PicoDrive
ca482e5d 3 * (c) notaz, 2008
835e7900 4 */
5
4609d0cd 6#include <stdio.h>
835e7900 7#include <string.h>
8#include <stdlib.h>
f8af9634 9#ifdef __EPOC32__
ca482e5d 10#include <unistd.h>
11#endif
835e7900 12#include "config.h"
7e4c661a 13#include "input.h"
4609d0cd 14#include "lprintf.h"
15
16static char *mystrip(char *str);
17
18#ifndef _MSC_VER
19
835e7900 20#include "menu.h"
21#include "emu.h"
efcba75f 22#include <pico/pico.h>
835e7900 23
7b802576 24#define NL "\r\n"
835e7900 25
835e7900 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
c46ffd31 47static void custom_write(FILE *f, const menu_entry *me, int no_def)
835e7900 48{
713c9224 49 char str24[24];
835e7900 50
51 switch (me->id)
52 {
dabe23b6 53 /* TODO: this should be rm'd when PSP menu is converted */
6fc57144 54 case MA_OPT3_SCALE:
55 if (no_def && defaultConfig.scale == currentConfig.scale) return;
56 fprintf(f, "Scale factor = %.2f", currentConfig.scale);
57 break;
58 case MA_OPT3_HSCALE32:
59 if (no_def && defaultConfig.hscale32 == currentConfig.hscale32) return;
60 fprintf(f, "Hor. scale (for low res. games) = %.2f", currentConfig.hscale32);
61 break;
62 case MA_OPT3_HSCALE40:
63 if (no_def && defaultConfig.hscale40 == currentConfig.hscale40) return;
64 fprintf(f, "Hor. scale (for hi res. games) = %.2f", currentConfig.hscale40);
65 break;
66 case MA_OPT3_FILTERING:
67 if (no_def && defaultConfig.scaling == currentConfig.scaling) return;
68 fprintf(f, "Bilinear filtering = %i", currentConfig.scaling);
69 break;
70 case MA_OPT3_GAMMAA:
71 if (no_def && defaultConfig.gamma == currentConfig.gamma) return;
72 fprintf(f, "Gamma adjustment = %i", currentConfig.gamma);
73 break;
74 case MA_OPT3_BLACKLVL:
75 if (no_def && defaultConfig.gamma2 == currentConfig.gamma2) return;
76 fprintf(f, "Black level = %i", currentConfig.gamma2);
77 break;
78 case MA_OPT3_VSYNC:
79 if (no_def && (defaultConfig.EmuOpt&0x12000) == (currentConfig.gamma2&0x12000)) return;
80 strcpy(str24, "never");
81 if (currentConfig.EmuOpt & 0x2000)
82 strcpy(str24, (currentConfig.EmuOpt & 0x10000) ? "sometimes" : "always");
83 fprintf(f, "Wait for vsync = %s", str24);
84 break;
835e7900 85
86 default:
c46ffd31 87 lprintf("unhandled custom_write: %i\n", me->id);
835e7900 88 return;
89 }
90 fprintf(f, NL);
91}
92
1ca2ea4f 93
7e4c661a 94static void keys_write(FILE *fn, const char *bind_str, int dev_id, const int *binds, int no_defaults)
1ca2ea4f 95{
7e4c661a 96 char act[48];
093b8a42 97 int key_count, k, i;
7e4c661a 98 const int *def_binds;
99
9025b931 100 key_count = in_get_dev_info(dev_id, IN_INFO_BIND_COUNT);
7e4c661a 101 def_binds = in_get_dev_def_binds(dev_id);
1ca2ea4f 102
093b8a42 103 for (k = 0; k < key_count; k++)
1ca2ea4f 104 {
7e4c661a 105 const char *name;
093b8a42 106 int t, mask;
1ca2ea4f 107 act[0] = act[31] = 0;
7e4c661a 108
093b8a42 109 for (t = 0; t < IN_BINDTYPE_COUNT; t++)
110 if (binds[IN_BIND_OFFS(k, t)] != def_binds[IN_BIND_OFFS(k, t)])
111 break;
7e4c661a 112
093b8a42 113 if (no_defaults && t == IN_BINDTYPE_COUNT)
114 continue; /* no change from defaults */
115
116 name = in_get_key_name(dev_id, k);
ca482e5d 117
093b8a42 118 for (t = 0; t < IN_BINDTYPE_COUNT; t++)
119 if (binds[IN_BIND_OFFS(k, t)] != 0 || def_binds[IN_BIND_OFFS(k, t)] == 0)
120 break;
121
122 if (t == IN_BINDTYPE_COUNT) {
123 /* key has default bind removed */
7e4c661a 124 fprintf(fn, "%s %s =" NL, bind_str, name);
6fc57144 125 continue;
126 }
127
1ca2ea4f 128 for (i = 0; i < sizeof(me_ctrl_actions) / sizeof(me_ctrl_actions[0]); i++) {
093b8a42 129 mask = me_ctrl_actions[i].mask;
130 if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
131 strncpy(act, me_ctrl_actions[i].name, 31);
132 fprintf(fn, "%s %s = player1 %s" NL, bind_str, name, mystrip(act));
133 }
134 mask = me_ctrl_actions[i].mask << 16;
135 if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
bdec53c9 136 strncpy(act, me_ctrl_actions[i].name, 31);
093b8a42 137 fprintf(fn, "%s %s = player2 %s" NL, bind_str, name, mystrip(act));
1ca2ea4f 138 }
139 }
1ca2ea4f 140
bdec53c9 141 for (i = 0; emuctrl_actions[i].name != NULL; i++) {
093b8a42 142 mask = emuctrl_actions[i].mask;
143 if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_EMU)]) {
bdec53c9 144 strncpy(act, emuctrl_actions[i].name, 31);
ca482e5d 145 fprintf(fn, "%s %s = %s" NL, bind_str, name, mystrip(act));
bdec53c9 146 }
147 }
1ca2ea4f 148 }
149}
150
dabe23b6 151/* XXX: this should go to menu structures instead */
c46ffd31 152static int default_var(const menu_entry *me)
153{
154 switch (me->id)
155 {
c46ffd31 156 case MA_OPT2_ENABLE_YM2612:
157 case MA_OPT2_ENABLE_SN76496:
dabe23b6 158 case MA_OPT2_ENABLE_Z80:
159 case MA_OPT_6BUTTON_PAD:
160 case MA_OPT_ACC_SPRITES:
161 case MA_OPT_ARM940_SOUND:
c46ffd31 162 case MA_CDOPT_PCM:
dabe23b6 163 case MA_CDOPT_CDDA:
c46ffd31 164 case MA_CDOPT_SCALEROT_CHIP:
165 case MA_CDOPT_BETTER_SYNC:
dabe23b6 166 case MA_CDOPT_SAVERAM:
167 case MA_OPT2_SVP_DYNAREC:
168 case MA_OPT2_NO_SPRITE_LIM:
169 case MA_OPT2_NO_IDLE_LOOPS:
c46ffd31 170 return defaultConfig.s_PicoOpt;
171
dabe23b6 172 case MA_OPT_SRAM_STATES:
c46ffd31 173 case MA_OPT_SHOW_FPS:
174 case MA_OPT_ENABLE_SOUND:
c46ffd31 175 case MA_OPT2_GZIP_STATES:
dabe23b6 176 case MA_OPT2_SQUIDGEHACK:
c46ffd31 177 case MA_OPT2_NO_LAST_ROM:
178 case MA_OPT2_RAMTIMINGS:
179 case MA_CDOPT_LEDS:
dabe23b6 180 case MA_OPT2_A_SN_GAMMA:
181 case MA_OPT2_VSYNC:
182 case MA_OPT_INTERLACED:
183 case MA_OPT2_DBLBUFF:
184 case MA_OPT2_STATUS_LINE:
185 case MA_OPT2_NO_FRAME_LIMIT:
186 case MA_OPT_TEARING_FIX:
c46ffd31 187 return defaultConfig.EmuOpt;
188
ca482e5d 189 case MA_CTRL_TURBO_RATE: return defaultConfig.turbo_rate;
190 case MA_OPT_SCALING: return defaultConfig.scaling;
191 case MA_OPT_ROTATION: return defaultConfig.rotation;
dabe23b6 192 case MA_OPT2_GAMMA: return defaultConfig.gamma;
193 case MA_OPT_FRAMESKIP: return defaultConfig.Frameskip;
194 case MA_OPT_CPU_CLOCKS: return defaultConfig.CPUclock;
f0f0d2df 195
c46ffd31 196 case MA_OPT_SAVE_SLOT:
197 default:
198 return 0;
199 }
200}
835e7900 201
dabe23b6 202static int is_cust_val_default(const menu_entry *me)
203{
204 switch (me->id)
205 {
206 case MA_OPT_REGION:
207 return defaultConfig.s_PicoRegion == PicoRegionOverride &&
208 defaultConfig.s_PicoAutoRgnOrder == PicoAutoRgnOrder;
209 case MA_OPT_SOUND_QUALITY:
210 return defaultConfig.s_PsndRate == PsndRate &&
211 ((defaultConfig.s_PicoOpt ^ PicoOpt) & POPT_EN_STEREO) == 0;
212 case MA_OPT_CONFIRM_STATES:
213 return !((defaultConfig.EmuOpt ^ currentConfig.EmuOpt) &
214 (EOPT_CONFIRM_LOAD|EOPT_CONFIRM_SAVE)) == 0;
215 case MA_OPT_RENDERER:
216 return ((defaultConfig.s_PicoOpt ^ PicoOpt) & POPT_ALT_RENDERER) == 0 &&
217 ((defaultConfig.EmuOpt ^ currentConfig.EmuOpt) & EOPT_16BPP) == 0;
218 case MA_CDOPT_READAHEAD:
219 return defaultConfig.s_PicoCDBuffers == PicoCDBuffers;
220 default:break;
221 }
222
223 lprintf("is_cust_val_default: unhandled id %i\n", me->id);
224 return 0;
225}
226
835e7900 227int config_writesect(const char *fname, const char *section)
228{
229 FILE *fo = NULL, *fn = NULL; // old and new
c46ffd31 230 int no_defaults = 0; // avoid saving defaults
835e7900 231 menu_entry *me;
713c9224 232 int t, tlen, ret;
835e7900 233 char line[128], *tmp;
234
235 if (section != NULL)
236 {
c46ffd31 237 no_defaults = 1;
238
835e7900 239 fo = fopen(fname, "r");
240 if (fo == NULL) {
241 fn = fopen(fname, "w");
242 goto write;
243 }
244
245 ret = seek_sect(fo, section);
246 if (!ret) {
247 // sect not found, we can simply append
248 fclose(fo); fo = NULL;
249 fn = fopen(fname, "a");
250 goto write;
251 }
252
253 // use 2 files..
254 fclose(fo);
255 rename(fname, "tmp.cfg");
256 fo = fopen("tmp.cfg", "r");
257 fn = fopen(fname, "w");
258 if (fo == NULL || fn == NULL) goto write;
259
260 // copy everything until sect
261 tlen = strlen(section);
262 while (!feof(fo))
263 {
264 tmp = fgets(line, sizeof(line), fo);
265 if (tmp == NULL) break;
266
267 if (line[0] == '[' && strncmp(line + 1, section, tlen) == 0 && line[tlen+1] == ']')
268 break;
269 fputs(line, fn);
270 }
271
272 // now skip to next sect
273 while (!feof(fo))
274 {
275 tmp = fgets(line, sizeof(line), fo);
276 if (tmp == NULL) break;
277 if (line[0] == '[') {
278 fseek(fo, -strlen(line), SEEK_CUR);
279 break;
280 }
281 }
282 if (feof(fo))
283 {
284 fclose(fo); fo = NULL;
285 remove("tmp.cfg");
286 }
287 }
288 else
289 {
290 fn = fopen(fname, "w");
291 }
292
293write:
294 if (fn == NULL) {
295 if (fo) fclose(fo);
296 return -1;
297 }
298 if (section != NULL)
299 fprintf(fn, "[%s]" NL, section);
300
713c9224 301 me = me_list_get_first();
302 while (me != NULL)
835e7900 303 {
713c9224 304 int dummy;
305 if (!me->need_to_save)
306 goto next;
dabe23b6 307 if (me->beh == MB_OPT_ONOFF || me->beh == MB_OPT_CUSTONOFF) {
713c9224 308 if (!no_defaults || ((*(int *)me->var ^ default_var(me)) & me->mask))
309 fprintf(fn, "%s = %i" NL, me->name, (*(int *)me->var & me->mask) ? 1 : 0);
dabe23b6 310 } else if (me->beh == MB_OPT_RANGE || me->beh == MB_OPT_CUSTRANGE) {
713c9224 311 if (!no_defaults || (*(int *)me->var ^ default_var(me)))
312 fprintf(fn, "%s = %i" NL, me->name, *(int *)me->var);
313 } else if (me->name != NULL && me->generate_name != NULL) {
dabe23b6 314 if (!no_defaults || !is_cust_val_default(me)) {
315 strncpy(line, me->generate_name(0, &dummy), sizeof(line));
316 line[sizeof(line) - 1] = 0;
317 mystrip(line);
318 fprintf(fn, "%s = %s" NL, me->name, line);
319 }
713c9224 320 } else
321 custom_write(fn, me, no_defaults);
322next:
323 me = me_list_get_next();
835e7900 324 }
1ca2ea4f 325
7e4c661a 326 /* input: save device names */
327 for (t = 0; t < IN_MAX_DEVS; t++)
328 {
329 const int *binds = in_get_dev_binds(t);
713c9224 330 const char *name = in_get_dev_name(t, 0, 0);
7e4c661a 331 if (binds == NULL || name == NULL)
332 continue;
333
334 fprintf(fn, "input%d = %s" NL, t, name);
335 }
336
337 /* input: save binds */
338 for (t = 0; t < IN_MAX_DEVS; t++)
339 {
340 const int *binds = in_get_dev_binds(t);
713c9224 341 const char *name = in_get_dev_name(t, 0, 0);
7e4c661a 342 char strbind[16];
343 int count;
344
345 if (binds == NULL || name == NULL)
346 continue;
347
348 sprintf(strbind, "bind%d", t);
349 if (t == 0) strbind[4] = 0;
350
9025b931 351 count = in_get_dev_info(t, IN_INFO_BIND_COUNT);
7e4c661a 352 keys_write(fn, strbind, t, binds, no_defaults);
353 }
354
6fc57144 355#ifndef PSP
7b802576 356 if (section == NULL)
357 fprintf(fn, "Sound Volume = %i" NL, currentConfig.volume);
6fc57144 358#endif
7b802576 359
835e7900 360 fprintf(fn, NL);
361
362 if (fo != NULL)
363 {
364 // copy whatever is left
365 while (!feof(fo))
366 {
367 tmp = fgets(line, sizeof(line), fo);
368 if (tmp == NULL) break;
369
370 fputs(line, fn);
371 }
372 fclose(fo);
373 remove("tmp.cfg");
374 }
375
376 fclose(fn);
377 return 0;
378}
379
380
835e7900 381int config_writelrom(const char *fname)
382{
383 char line[128], *tmp, *optr = NULL;
384 char *old_data = NULL;
385 int size;
386 FILE *f;
387
713c9224 388 if (strlen(rom_fname_loaded) == 0) return -1;
835e7900 389
390 f = fopen(fname, "r");
391 if (f != NULL)
392 {
393 fseek(f, 0, SEEK_END);
394 size = ftell(f);
395 fseek(f, 0, SEEK_SET);
396 old_data = malloc(size + size/8);
397 if (old_data != NULL)
398 {
399 optr = old_data;
400 while (!feof(f))
401 {
402 tmp = fgets(line, sizeof(line), f);
403 if (tmp == NULL) break;
404 mystrip(line);
405 if (strncasecmp(line, "LastUsedROM", 11) == 0)
406 continue;
407 sprintf(optr, "%s", line);
408 optr += strlen(optr);
409 }
410 }
411 fclose(f);
412 }
413
414 f = fopen(fname, "w");
415 if (f == NULL) return -1;
416
417 if (old_data != NULL) {
418 fwrite(old_data, 1, optr - old_data, f);
419 free(old_data);
420 }
713c9224 421 fprintf(f, "LastUsedROM = %s" NL, rom_fname_loaded);
835e7900 422 fclose(f);
423 return 0;
424}
425
1ca2ea4f 426/* --------------------------------------------------------------------------*/
427
428int config_readlrom(const char *fname)
429{
430 char line[128], *tmp;
431 int i, len, ret = -1;
432 FILE *f;
433
434 f = fopen(fname, "r");
435 if (f == NULL) return -1;
436
437 // seek to the section needed
438 while (!feof(f))
439 {
440 tmp = fgets(line, sizeof(line), f);
441 if (tmp == NULL) break;
442
443 if (strncasecmp(line, "LastUsedROM", 11) != 0) continue;
444 len = strlen(line);
445 for (i = 0; i < len; i++)
446 if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
447 tmp = strchr(line, '=');
448 if (tmp == NULL) break;
449 tmp++;
450 mystrip(tmp);
451
713c9224 452 len = sizeof(rom_fname_loaded);
453 strncpy(rom_fname_loaded, tmp, len);
454 rom_fname_loaded[len-1] = 0;
1ca2ea4f 455 ret = 0;
456 break;
457 }
458 fclose(f);
459 return ret;
460}
461
835e7900 462
463static int custom_read(menu_entry *me, const char *var, const char *val)
464{
465 char *tmp;
466 int tmpi;
467
468 switch (me->id)
469 {
470 case MA_OPT_RENDERER:
471 if (strcasecmp(var, "Renderer") != 0) return 0;
6fc57144 472 if (strcasecmp(val, "8bit fast") == 0 || strcasecmp(val, "fast") == 0) {
602133e1 473 PicoOpt |= POPT_ALT_RENDERER;
835e7900 474 }
6fc57144 475 else if (strcasecmp(val, "16bit accurate") == 0 || strcasecmp(val, "accurate") == 0) {
602133e1 476 PicoOpt &= ~POPT_ALT_RENDERER;
835e7900 477 currentConfig.EmuOpt |= 0x80;
478 }
479 else if (strcasecmp(val, "8bit accurate") == 0) {
602133e1 480 PicoOpt &= ~POPT_ALT_RENDERER;
835e7900 481 currentConfig.EmuOpt &= ~0x80;
482 }
483 else
484 return 0;
485 return 1;
486
487 case MA_OPT_SCALING:
6fc57144 488#ifdef __GP2X__
835e7900 489 if (strcasecmp(var, "Scaling") != 0) return 0;
490 if (strcasecmp(val, "OFF") == 0) {
ee2a3bdf 491 currentConfig.scaling = EOPT_SCALE_NONE;
835e7900 492 } else if (strcasecmp(val, "hw horizontal") == 0) {
ee2a3bdf 493 currentConfig.scaling = EOPT_SCALE_HW_H;
835e7900 494 } else if (strcasecmp(val, "hw horiz. + vert.") == 0) {
ee2a3bdf 495 currentConfig.scaling = EOPT_SCALE_HW_HV;
835e7900 496 } else if (strcasecmp(val, "sw horizontal") == 0) {
ee2a3bdf 497 currentConfig.scaling = EOPT_SCALE_SW_H;
835e7900 498 } else
dabe23b6 499 currentConfig.scaling = atoi(val);
835e7900 500 return 1;
6fc57144 501#else
502 return 0;
503#endif
835e7900 504
505 case MA_OPT_FRAMESKIP:
506 if (strcasecmp(var, "Frameskip") != 0) return 0;
507 if (strcasecmp(val, "Auto") == 0)
508 currentConfig.Frameskip = -1;
509 else currentConfig.Frameskip = atoi(val);
510 return 1;
511
512 case MA_OPT_SOUND_QUALITY:
513 if (strcasecmp(var, "Sound Quality") != 0) return 0;
514 PsndRate = strtoul(val, &tmp, 10);
515 if (PsndRate < 8000 || PsndRate > 44100)
516 PsndRate = 22050;
21ecaf23 517 if (*tmp == 'H' || *tmp == 'h') tmp++;
518 if (*tmp == 'Z' || *tmp == 'z') tmp++;
835e7900 519 while (*tmp == ' ') tmp++;
520 if (strcasecmp(tmp, "stereo") == 0) {
602133e1 521 PicoOpt |= POPT_EN_STEREO;
835e7900 522 } else if (strcasecmp(tmp, "mono") == 0) {
602133e1 523 PicoOpt &= ~POPT_EN_STEREO;
835e7900 524 } else
525 return 0;
526 return 1;
527
528 case MA_OPT_REGION:
529 if (strcasecmp(var, "Region") != 0) return 0;
530 if (strncasecmp(val, "Auto: ", 6) == 0)
531 {
532 const char *p = val + 5, *end = val + strlen(val);
533 int i;
534 PicoRegionOverride = PicoAutoRgnOrder = 0;
c46ffd31 535 for (i = 0; p < end && i < 3; i++)
536 {
537 while (*p == ' ') p++;
835e7900 538 if (p[0] == 'J' && p[1] == 'P') {
539 PicoAutoRgnOrder |= 1 << (i*4);
540 } else if (p[0] == 'U' && p[1] == 'S') {
541 PicoAutoRgnOrder |= 4 << (i*4);
542 } else if (p[0] == 'E' && p[1] == 'U') {
543 PicoAutoRgnOrder |= 8 << (i*4);
544 }
c46ffd31 545 while (*p != ' ' && *p != 0) p++;
546 if (*p == 0) break;
835e7900 547 }
548 }
549 else if (strcasecmp(val, "Auto") == 0) {
550 PicoRegionOverride = 0;
551 } else if (strcasecmp(val, "Japan NTSC") == 0) {
552 PicoRegionOverride = 1;
553 } else if (strcasecmp(val, "Japan PAL") == 0) {
554 PicoRegionOverride = 2;
555 } else if (strcasecmp(val, "USA") == 0) {
556 PicoRegionOverride = 4;
557 } else if (strcasecmp(val, "Europe") == 0) {
558 PicoRegionOverride = 8;
559 } else
560 return 0;
561 return 1;
562
563 case MA_OPT_CONFIRM_STATES:
564 if (strcasecmp(var, "Confirm savestate") != 0) return 0;
565 if (strcasecmp(val, "OFF") == 0) {
1ca2ea4f 566 currentConfig.EmuOpt &= ~(5<<9);
835e7900 567 } else if (strcasecmp(val, "writes") == 0) {
1ca2ea4f 568 currentConfig.EmuOpt &= ~(5<<9);
569 currentConfig.EmuOpt |= 1<<9;
835e7900 570 } else if (strcasecmp(val, "loads") == 0) {
1ca2ea4f 571 currentConfig.EmuOpt &= ~(5<<9);
572 currentConfig.EmuOpt |= 4<<9;
835e7900 573 } else if (strcasecmp(val, "both") == 0) {
1ca2ea4f 574 currentConfig.EmuOpt &= ~(5<<9);
575 currentConfig.EmuOpt |= 5<<9;
835e7900 576 } else
577 return 0;
578 return 1;
579
835e7900 580 case MA_OPT2_GAMMA:
581 if (strcasecmp(var, "Gamma correction") != 0) return 0;
582 currentConfig.gamma = (int) (atof(val) * 100.0);
583 return 1;
584
585 case MA_OPT2_SQUIDGEHACK:
586 if (strcasecmp(var, "Squidgehack") != 0) return 0;
587 tmpi = atoi(val);
588 if (tmpi) *(int *)me->var |= me->mask;
589 else *(int *)me->var &= ~me->mask;
590 return 1;
591
592 case MA_CDOPT_READAHEAD:
593 if (strcasecmp(var, "ReadAhead buffer") != 0) return 0;
594 PicoCDBuffers = atoi(val) / 2;
595 return 1;
596
6fc57144 597 /* PSP */
598 case MA_OPT3_SCALE:
599 if (strcasecmp(var, "Scale factor") != 0) return 0;
600 currentConfig.scale = atof(val);
601 return 1;
602 case MA_OPT3_HSCALE32:
603 if (strcasecmp(var, "Hor. scale (for low res. games)") != 0) return 0;
604 currentConfig.hscale32 = atof(val);
605 return 1;
606 case MA_OPT3_HSCALE40:
607 if (strcasecmp(var, "Hor. scale (for hi res. games)") != 0) return 0;
608 currentConfig.hscale40 = atof(val);
609 return 1;
610 case MA_OPT3_FILTERING:
611 if (strcasecmp(var, "Bilinear filtering") != 0) return 0;
612 currentConfig.scaling = atoi(val);
613 return 1;
614 case MA_OPT3_GAMMAA:
615 if (strcasecmp(var, "Gamma adjustment") != 0) return 0;
616 currentConfig.gamma = atoi(val);
617 return 1;
618 case MA_OPT3_BLACKLVL:
619 if (strcasecmp(var, "Black level") != 0) return 0;
620 currentConfig.gamma2 = atoi(val);
621 return 1;
622 case MA_OPT3_VSYNC:
623 if (strcasecmp(var, "Wait for vsync") != 0) return 0;
624 if (strcasecmp(val, "never") == 0) {
625 currentConfig.EmuOpt &= ~0x12000;
626 } else if (strcasecmp(val, "sometimes") == 0) {
627 currentConfig.EmuOpt |= 0x12000;
628 } else if (strcasecmp(val, "always") == 0) {
629 currentConfig.EmuOpt &= ~0x12000;
630 currentConfig.EmuOpt |= 0x02000;
631 } else
632 return 0;
633 return 1;
634
835e7900 635 default:
c46ffd31 636 lprintf("unhandled custom_read: %i\n", me->id);
835e7900 637 return 0;
638 }
639}
640
641
bdec53c9 642static unsigned int keys_encountered = 0;
643
093b8a42 644static int parse_bind_val(const char *val, int *type)
7e4c661a 645{
646 int i;
647
093b8a42 648 *type = IN_BINDTYPE_NONE;
7e4c661a 649 if (val[0] == 0)
650 return 0;
651
652 if (strncasecmp(val, "player", 6) == 0)
653 {
093b8a42 654 int player, shift = 0;
7e4c661a 655 player = atoi(val + 6) - 1;
093b8a42 656
7e4c661a 657 if (player > 1)
658 return -1;
093b8a42 659 if (player == 1)
660 shift = 16;
7e4c661a 661
093b8a42 662 *type = IN_BINDTYPE_PLAYER12;
7e4c661a 663 for (i = 0; i < sizeof(me_ctrl_actions) / sizeof(me_ctrl_actions[0]); i++) {
664 if (strncasecmp(me_ctrl_actions[i].name, val + 8, strlen(val + 8)) == 0)
093b8a42 665 return me_ctrl_actions[i].mask << shift;
7e4c661a 666 }
667 }
668 for (i = 0; emuctrl_actions[i].name != NULL; i++) {
093b8a42 669 if (strncasecmp(emuctrl_actions[i].name, val, strlen(val)) == 0) {
670 *type = IN_BINDTYPE_EMU;
7e4c661a 671 return emuctrl_actions[i].mask;
093b8a42 672 }
7e4c661a 673 }
674
675 return -1;
676}
677
678static void keys_parse(const char *key, const char *val, int dev_id)
1ca2ea4f 679{
093b8a42 680 int acts, type;
1ca2ea4f 681
093b8a42 682 acts = parse_bind_val(val, &type);
683 if (acts == -1) {
7e4c661a 684 lprintf("config: unhandled action \"%s\"\n", val);
685 return;
686 }
687
093b8a42 688 in_config_bind_key(dev_id, key, acts, type);
1ca2ea4f 689}
690
7e4c661a 691static int get_numvar_num(const char *var)
692{
693 char *p = NULL;
694 int num;
695
696 if (var[0] == ' ')
697 return 0;
698
699 num = strtoul(var, &p, 10);
700 if (*p == 0 || *p == ' ')
701 return num;
702
703 return -1;
704}
705
706/* map dev number in confing to input dev number */
707static unsigned char input_dev_map[IN_MAX_DEVS];
708
835e7900 709static void parse(const char *var, const char *val)
710{
711 menu_entry *me;
713c9224 712 int tmp, ret = 0;
835e7900 713
1ca2ea4f 714 if (strcasecmp(var, "LastUsedROM") == 0)
715 return; /* handled elsewhere */
716
7b802576 717 if (strcasecmp(var, "Sound Volume") == 0) {
718 currentConfig.volume = atoi(val);
719 return;
720 }
721
7e4c661a 722 /* input: device name */
723 if (strncasecmp(var, "input", 5) == 0) {
724 int num = get_numvar_num(var + 5);
725 if (num >= 0 && num < IN_MAX_DEVS)
726 input_dev_map[num] = in_config_parse_dev(val);
727 else
b6820926 728 lprintf("config: failed to parse: %s\n", var);
7e4c661a 729 return;
730 }
731
1ca2ea4f 732 // key binds
7e4c661a 733 if (strncasecmp(var, "bind", 4) == 0) {
734 const char *p = var + 4;
735 int num = get_numvar_num(p);
736 if (num < 0 || num >= IN_MAX_DEVS) {
b6820926 737 lprintf("config: failed to parse: %s\n", var);
7e4c661a 738 return;
739 }
740
741 num = input_dev_map[num];
742 if (num < 0 || num >= IN_MAX_DEVS) {
b6820926 743 lprintf("config: invalid device id: %s\n", var);
7e4c661a 744 return;
745 }
746
747 while (*p && *p != ' ') p++;
748 while (*p && *p == ' ') p++;
749 keys_parse(p, val, num);
1ca2ea4f 750 return;
751 }
7e4c661a 752
713c9224 753 me = me_list_get_first();
754 while (me != NULL && ret == 0)
835e7900 755 {
713c9224 756 if (!me->need_to_save)
757 goto next;
758 if (me->name != NULL && me->name[0] != 0) {
759 if (strcasecmp(var, me->name) != 0)
760 goto next; /* surely not this one */
761 if (me->beh == MB_OPT_ONOFF) {
762 tmp = atoi(val);
763 if (tmp) *(int *)me->var |= me->mask;
764 else *(int *)me->var &= ~me->mask;
765 return;
766 } else if (me->beh == MB_OPT_RANGE) {
767 tmp = atoi(val);
768 if (tmp < me->min) tmp = me->min;
769 if (tmp > me->max) tmp = me->max;
770 *(int *)me->var = tmp;
771 return;
835e7900 772 }
835e7900 773 }
713c9224 774 ret = custom_read(me, var, val);
775next:
776 me = me_list_get_next();
835e7900 777 }
84100c0f 778 if (!ret) lprintf("config_readsect: unhandled var: \"%s\"\n", var);
835e7900 779}
780
781
1ca2ea4f 782int config_havesect(const char *fname, const char *section)
783{
784 FILE *f;
785 int ret;
786
787 f = fopen(fname, "r");
788 if (f == NULL) return 0;
789
790 ret = seek_sect(f, section);
791 fclose(f);
792 return ret;
793}
794
835e7900 795int config_readsect(const char *fname, const char *section)
796{
4609d0cd 797 char line[128], *var, *val;
1ca2ea4f 798 FILE *f;
4609d0cd 799 int ret;
835e7900 800
1ca2ea4f 801 f = fopen(fname, "r");
d6114368 802 if (f == NULL) return -1;
835e7900 803
804 if (section != NULL)
805 {
806 ret = seek_sect(f, section);
807 if (!ret) {
c46ffd31 808 lprintf("config_readsect: %s: missing section [%s]\n", fname, section);
835e7900 809 fclose(f);
810 return -1;
811 }
812 }
813
bdec53c9 814 keys_encountered = 0;
7e4c661a 815 memset(input_dev_map, 0xff, sizeof(input_dev_map));
bdec53c9 816
7e4c661a 817 in_config_start();
835e7900 818 while (!feof(f))
819 {
4609d0cd 820 ret = config_get_var_val(f, line, sizeof(line), &var, &val);
821 if (ret == 0) break;
822 if (ret == -1) continue;
835e7900 823
824 parse(var, val);
825 }
7e4c661a 826 in_config_end();
835e7900 827
828 fclose(f);
829 return 0;
830}
831
4609d0cd 832#endif // _MSC_VER
833
834static char *mystrip(char *str)
835{
836 int i, len;
837
838 len = strlen(str);
839 for (i = 0; i < len; i++)
840 if (str[i] != ' ') break;
841 if (i > 0) memmove(str, str + i, len - i + 1);
842
843 len = strlen(str);
844 for (i = len - 1; i >= 0; i--)
845 if (str[i] != ' ') break;
846 str[i+1] = 0;
847
848 return str;
849}
850
851/* returns:
852 * 0 - EOF, end
853 * 1 - parsed ok
854 * -1 - failed to parse line
855 */
856int config_get_var_val(void *file, char *line, int lsize, char **rvar, char **rval)
857{
858 char *var, *val, *tmp;
859 FILE *f = file;
860 int len, i;
861
862 tmp = fgets(line, lsize, f);
863 if (tmp == NULL) return 0;
864
865 if (line[0] == '[') return 0; // other section
866
867 // strip comments, linefeed, spaces..
868 len = strlen(line);
869 for (i = 0; i < len; i++)
870 if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
871 mystrip(line);
872 len = strlen(line);
873 if (len <= 0) return -1;;
874
875 // get var and val
876 for (i = 0; i < len; i++)
877 if (line[i] == '=') break;
878 if (i >= len || strchr(&line[i+1], '=') != NULL) {
879 lprintf("config_readsect: can't parse: %s\n", line);
880 return -1;
881 }
882 line[i] = 0;
883 var = line;
884 val = &line[i+1];
885 mystrip(var);
886 mystrip(val);
887
888#ifndef _MSC_VER
889 if (strlen(var) == 0 || (strlen(val) == 0 && strncasecmp(var, "bind", 4) != 0)) {
890 lprintf("config_readsect: something's empty: \"%s\" = \"%s\"\n", var, val);
891 return -1;;
892 }
893#endif
894
895 *rvar = var;
896 *rval = val;
897 return 1;
898}
899
fast MegaDrive/MegaCD/32X emulator