2 * Parsing of the structure of the YPP client's displayed image
5 * This is part of ypp-sc-tools, a set of third-party tools for assisting
6 * players of Yohoho Puzzle Pirates.
8 * Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 * Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
24 * are used without permission. This program is not endorsed or
25 * sponsored by Three Rings.
28 #include "structure.h"
30 static CanonImage *cim;
32 static inline char get(int x, int y) { return cim->d[y * cim->w + x]; }
33 static inline char get_p(Point p) { return get(p.x,p.y); }
35 DEBUG_DEFINE_DEBUGF(struct)
37 #define START_MAIN {200,200}
39 #define INTERESTING_COLUMNS 7
40 #define TEXT_COLUMNS 2
43 static Rect mainr = { START_MAIN,START_MAIN };
44 static int commbasey, comminty;
45 static int colrightx[INTERESTING_COLUMNS];
46 static int text_h=-1, columns=-1;
49 char *archipelago, *island;
51 #define OTHERCOORD_x y
52 #define OTHERCOORD_y x
55 Rgb rgb; /* on screen */
56 char c; /* canonical */
59 const CanonColourInfo canoncolourinfo_table[]= {
60 { 0x475A5E, '*' }, /* edge */
61 { 0x2C5F7A, '*' }, /* edge just under box heading shadow */
62 { 0xC5C7AE, '*' }, /* blank area of partial commodities list */
63 { 0x6B828C, '*' }, /* background of ship status meter area */
64 { 0x934405, '*' }, /* border of ship meter area */
65 { 0x7D9094, '+' }, /* interbox */
66 { 0x022158, 'O' }, /* ahoy /w output foreground */
67 { 0xB5B686, 'H' }, /* ahoy /w output heading background */
69 { 0xBDC5BF, ' ' }, /* background - pale Sugar cane, etc. */
70 { 0xADB5AF, ' ' }, /* background - dark */
71 { 0xC7E1C3, ' ' }, /* background - pale Swill, etc. */
72 { 0xB5CFB1, ' ' }, /* background - dark */
73 { 0xD6CEB0, ' ' }, /* background - pale Madder, etc. */
74 { 0xC8C0A2, ' ' }, /* background - dark */
75 { 0xE0E1D3, ' ' }, /* background - pale Lorandite, etc. */
76 { 0xD0D1C3, ' ' }, /* background - dark */
77 { 0xE5E6C1, ' ' }, /* background - pale Cloth */
78 { 0xD7D8B3, ' ' }, /* background - dark */
79 { 0xEDDED9, ' ' }, /* background - pale Dye */
80 { 0xDACBC6, ' ' }, /* background - dark */
81 { 0xD3DEDF, ' ' }, /* background - pale Paint */
82 { 0xC5D0D1, ' ' }, /* background - dark */
83 { 0xDCD1CF, ' ' }, /* background - pale Enamel */
84 { 0xCEC3C1, ' ' }, /* background - dark */
85 { 0xF3F6F5, ' ' }, /* background - pale fruit */
86 { 0xE2E7E5, ' ' }, /* background - dark */
88 { 0x000000, 'o' }, /* foreground */
89 { 0xD4B356, ' ' }, /* background (cursor) */
90 { 0xFFFFFF, 'o' }, /* foreground (cursor) */
92 { 0x5B93BF, '_' }, /* selector dropdown background */
93 { 0xD7C94F, 'X' }, /* selector dropdown foreground */
97 CanonColourInfoReds canoncolourinfo_tree;
99 void canon_colour_prepare(void) {
100 const CanonColourInfo *cci;
101 for (cci=canoncolourinfo_table; cci->c; cci++) {
102 unsigned char r= cci->rgb >> 16;
103 unsigned char g= cci->rgb >> 8;
104 unsigned char b= cci->rgb;
106 CanonColourInfoGreens *greens= canoncolourinfo_tree.red2[r];
108 greens= canoncolourinfo_tree.red2[r]= mmalloc(sizeof(*greens));
112 CanonColourInfoBlues *blues= greens->green2[g];
114 blues= greens->green2[g]= mmalloc(sizeof(*blues));
115 memset(blues, '?', sizeof(blues));
118 blues->blue2[b]= cci->c;
123 static void mustfail1(const char *file, int line, const char *what) {
126 "Unable to figure out contents of YPP client display.\n"
127 "Please check the following:\n"
128 " * YPP client is showing commodity listing screen\n"
129 " * YPP client window is on top (we try to raise it but your window\n"
130 " manager might have prevented that from succeeding)\n"
131 " * Your X display is 24bpp (NB some VNC servers use 16bpp by default)\n"
133 "If all of these are true, please report this as a fault.\n\n"
135 " %s:%d: requirement failed:\n"
139 static void mustfail2(void) NORET;
140 static void mustfail2(void) {
141 fprintf(stderr, "\n\nGiving up.\n");
145 #define MUST(x, ifnot) do{ \
147 mustfail1(__FILE__,__LINE__,#x); \
153 #define MP(v) fprintf(stderr," %s=%d,%d",#v,(v).x,(v).y)
154 #define MI(v) fprintf(stderr," %s=%d", #v,(v))
155 #define MIL(v) fprintf(stderr," %s=%ld", #v,(v))
156 #define MRGB(v) fprintf(stderr," %s=%06lx", #v,(v))
157 #define MC(v) fprintf(stderr," %s='%c'", #v,(v))
158 #define MS(v) fprintf(stderr," %s=\"%s\"", #v,(v))
159 #define MF(v) fprintf(stderr," %s=\"%f\"", #v,(v))
160 #define MSB(v) fprintf(stderr," %s", (v))
161 #define MR(v) fprintf(stderr," %s=%d,%d..%d,%d",\
162 #v,(v).tl.x,(v).tl.y,(v).br.x,(v).br.y)
165 #define REQUIRE_RECTANGLE(tlx,tly,brx,bry,ok) \
166 require_rectangle(tlx, tly, brx, bry, ok, __LINE__);
168 #define FOR_P_RECT(p,rr) \
169 for ((p).x=(rr).tl.x; (p).x<=(rr).br.x; (p).x++) \
170 for ((p).y=(rr).tl.y; (p).y<=(rr).br.y; (p).y++)
172 static void require_rectangle_r(Rect rr, const char *ok, int lineno) {
176 MUST( strchr(ok,c), ({
177 MI(lineno),MR(rr);MP(p);MS(ok);
181 static void require_rectangle(int tlx, int tly, int brx, int bry,
182 const char *ok, int lineno) {
183 Rect rr= {{tlx,tly},{brx,bry}};
184 require_rectangle_r(rr, ok, lineno);
187 static void debug_rect(const char *what, int whati, Rect rr) {
188 if (!DEBUGP(rect)) return;
190 fprintf(debug, "%s %d: %d,%d..%d,%d:\n", what, whati,
191 rr.tl.x,rr.tl.y, rr.br.x,rr.br.y);
192 w= rr.br.x - rr.tl.x + 1;
193 for (y=rr.tl.y; y<=rr.br.y; y++) {
194 fprintf(debug, "%4d%*s|", y, rr.tl.x,"");
195 fwrite(cim->d + y*cim->w + rr.tl.x, 1, w, debug);
202 static int commod_selector_matches(Rect search, const char *const *all,
203 int allh, int allw) {
204 int alloffy, alloffx;
205 for (alloffy=0; alloffy < search.br.y; alloffy++) {
206 if (alloffy+allh-1 < search.tl.y) continue;
207 for (alloffx=search.tl.x; alloffx+allw-1 <= search.br.x; alloffx++) {
210 for (x=0; x<allw; x++)
211 for (y=0; y<allh; y++) {
213 if (want==' ') continue;
214 if (get(alloffx+x, alloffy+y) == want)
219 debugf("CHECKCOMMOD alloff=%d,%d good=%d bad=%d\n",
220 alloffx,alloffy, good,bad);
228 #define WALK_UNTIL(point,coord,increm,last,edge) \
230 if ((point).coord == (last)+(increm)) break; \
231 if (get_p((point)) == (edge)) { (point).coord -= (increm); break; } \
232 (point).coord += (increm); \
235 #define WALK_UNTIL_MUST(point,coord,increm,last,edge) \
237 WALK_UNTIL(point,coord,increm,last,edge); \
238 MUST( (point).coord != (last)+(increm), \
239 MP(point); MI(increm); MI(last); MC(edge); \
243 #define ADJUST_BOX(search,insidechrs,OP,want, lim,LIMIT_MUST, TLBR,XY,increm) \
245 LIMIT_MUST( (search).tl.XY != (search).br.XY && \
246 (search).tl.XY != (lim), \
247 MR((search));MSB(#TLBR);MSB(#XY) ); \
249 Point p=(search).tl; \
250 for (p.XY=(search).TLBR.XY; \
251 p.OTHERCOORD_##XY <= (search).br.OTHERCOORD_##XY; \
252 p.OTHERCOORD_##XY++) \
253 got += !!strchr(insidechrs, get_p(p)); \
254 if ((got) OP (want)) \
256 (search).TLBR.XY += increm; \
259 void find_structure(CanonImage *im, int *max_relevant_y_r) {
262 Rect whole = { {0,0}, {cim->w-1,cim->h-1} };
266 for (y=0, xscaleunit=1; y<4; y++, xscaleunit*=10) {
268 for (x=0; x<=cim->w; x++) {
269 if (x % xscaleunit) fputc(' ',debug);
270 else fprintf(debug,"%d",(x / xscaleunit)%10);
276 WALK_UNTIL_MUST(mainr.tl, x,-1, whole.tl.x, '*');
277 WALK_UNTIL_MUST(mainr.tl, y,-1, whole.tl.y, '*');
278 WALK_UNTIL_MUST(mainr.br, x,+1, whole.br.x, '*');
279 WALK_UNTIL_MUST(mainr.br, y,+1, whole.br.y, '*');
281 REQUIRE_RECTANGLE(mainr.tl.x-1, mainr.tl.y, mainr.tl.x-1, mainr.br.y, "*");
282 REQUIRE_RECTANGLE(mainr.br.x+1, mainr.tl.y, mainr.br.x+1, mainr.br.y, "*");
283 REQUIRE_RECTANGLE(mainr.tl.x, mainr.tl.y-1, mainr.br.x, mainr.tl.y-1, "*");
284 REQUIRE_RECTANGLE(mainr.tl.x, mainr.br.y+1, mainr.br.x, mainr.br.y+1, "*");
286 #define CHECK_STRIP_BORDER(tlbr,xy,increm) \
291 csb_p.xy= mainr.tlbr.xy; \
292 if (get_p(csb_p)=='+') { \
294 csb_r.tl.xy= csb_p.xy; \
295 csb_r.br.xy= csb_p.xy; \
296 require_rectangle_r(csb_r, "+", __LINE__); \
297 mainr.tlbr.xy += increm; \
301 debug_rect("mainr",0, mainr);
303 CHECK_STRIP_BORDER(tl,x,+1);
304 CHECK_STRIP_BORDER(tl,y,+1);
305 CHECK_STRIP_BORDER(br,x,-1);
306 CHECK_STRIP_BORDER(br,y,-1);
308 debug_rect("mainr",1, mainr);
310 Point up = START_MAIN;
311 WALK_UNTIL_MUST(up, y,-1, mainr.tl.y, '+');
313 Point down = START_MAIN;
315 WALK_UNTIL_MUST(down, y,+1, mainr.br.y, '+');
318 comminty= down.y - up.y + 2;
320 Point across= { mainr.tl.x, commbasey };
323 MUST( get_p(across) != '+', MI(colno);MP(across);MR(mainr);MI(commbasey) );
324 WALK_UNTIL(across, x,+1, mainr.br.x, '+');
325 MUST( colno < MAX_COLUMNS, MP(across);MR(mainr);MI(commbasey); );
327 if (colrx > mainr.br.x) colrx= mainr.br.x;
328 if (colno < INTERESTING_COLUMNS)
329 colrightx[colno]= colrx;
333 if (across.x >= mainr.br.x-1)
337 REQUIRE_RECTANGLE(across.x,mainr.tl.y, across.x,mainr.br.y, "+");
340 MUST( colno >= MIN_COLUMNS, MI(colno);MR(mainr);MP(across); );
342 #define SET_ONCE(var,val) do{ \
344 if ((var)==-1) (var)= v; \
345 else MUST( (var) == v, MSB(#var);MI((var));MI(v);MR(mainr); ); \
348 SET_ONCE(columns, colno);
349 SET_ONCE(text_h, comminty - 1);
350 if (max_relevant_y_r)
351 SET_ONCE(*max_relevant_y_r, mainr.br.y + 10);
353 MUST( text_h <= OCR_MAX_H, MI(text_h) );
356 void check_correct_commodities(void) {
357 Rect search= { { 50,39 }, { 130,59 } };
359 ADJUST_BOX(search,"_",>=,10, cim->h, MUST, tl,y,+1);
360 ADJUST_BOX(search,"_",>=,10, 0, MUST, br,y,-1);
362 debug_rect("commodselr",1, search);
364 static const char *all_small[]= {
365 " ___________________________________ ",
366 " ________X____X__X____________________ ",
367 " ________ X___ X_ X_____XXXXXXXXXXX_____ ",
368 "_________X_X__ X_ X______XXXXXXXXX_______",
369 "________ X X__ X_ X_______XXXXXXX________",
370 "________X_ _X_ X_ X________XXXXX_________",
371 "_______ X__ X_ X_ X_________XXX__________",
372 "_______XXXXXXX X_ X__________X___________",
373 " _____ X X X_ X______________________",
374 " ____X_____ _XX_ X______________________",
375 " __ _______ __ ______________________ ",
377 static const char *all_big[]= {
378 "???_______________________________________???",
379 "??_________________________________________??",
380 "?_________X______X___X______________________?",
381 "_________?X_____?X__?X______XXXXXXXXXXX______",
382 "_________X_X____?X__?X_______XXXXXXXXX_______",
383 "________?X?X____?X__?X________XXXXXXX________",
384 "________X_?_X___?X__?X_________XXXXX_________",
385 "_______?X__?X___?X__?X__________XXX__________",
386 "_______?XXXXX___?X__?X___________X___________",
387 "_______X????_X__?X__?X_______________________",
388 "?_____?X____?X__?X__?X_______________________",
389 "??____X_____?_X_?X__?X_______________________",
390 "???__?_______?__?___?_______________________?",
393 #define COMMOD_SELECTOR_MATCHES(all) \
394 commod_selector_matches(search, all, \
395 sizeof((all))/sizeof((all)[0]), \
398 if (!(COMMOD_SELECTOR_MATCHES(all_small) ||
399 COMMOD_SELECTOR_MATCHES(all_big)))
400 fatal("Commodities selector not set to `All'.");
403 CanonImage *alloc_canon_image(int w, int h) {
404 CanonImage *im= mmalloc(sizeof(CanonImage) + w*h);
407 memset(im->d,'?',w*h);
411 static void file_read_image_ppm(FILE *f) {
413 unsigned char rgb_buf[3];
416 pnm_readpaminit(f, &inpam, sizeof(inpam));
417 if (!(inpam.maxval == 255 &&
418 inpam.bytes_per_sample == 1 &&
419 inpam.format == RPPM_FORMAT))
420 fatal("PNM screenshot(s) file must be 8bpp 1 byte-per-sample RGB raw");
422 CANONICALISE_IMAGE(im, inpam.width, inpam.height, {
423 int rr= fread(&rgb_buf,1,3,f);
424 sysassert(!ferror(f));
425 if (rr!=3) fatal("PNM screenshot(s) file ends unexpectedly");
432 sysassert(!ferror(screenshot_file));
434 if (!(npages < MAX_PAGES))
435 fatal("Too many images in screenshots file; max is %d.\n", MAX_PAGES);
437 page_images[npages++]= im;
440 void read_one_screenshot(void) {
441 progress("reading screenshot...");
442 file_read_image_ppm(screenshot_file);
443 progress_log("read screenshot.");
446 void read_screenshots(void) {
449 sysassert(! fstat(fileno(screenshot_file), &stab) );
452 if (S_ISREG(stab.st_mode)) {
453 long pos= ftell(screenshot_file);
454 if (pos == stab.st_size) break;
456 int c= fgetc(screenshot_file);
458 ungetc(c, screenshot_file);
460 progress("reading screenshot %d...",npages);
461 file_read_image_ppm(screenshot_file);
463 sysassert(!ferror(screenshot_file));
464 progress_log("read %d screenshots.",npages);
467 static void find_commodity(int offset, Rect *rr) {
468 /* rr->tl.x==-1 if offset out of range */
469 rr->tl.y= commbasey - offset*comminty;
470 rr->br.y= rr->tl.y + comminty-2;
471 if (rr->tl.y < mainr.tl.y || rr->br.y > mainr.br.y) { rr->tl.x=-1; return; }
473 rr->tl.x= mainr.tl.x;
474 rr->br.x= mainr.br.x;
476 if (rr->tl.y > mainr.tl.y)
477 REQUIRE_RECTANGLE(rr->tl.x,rr->tl.y-1, rr->br.x,rr->tl.y-1, "+");
478 if (rr->br.y < mainr.tl.y)
479 REQUIRE_RECTANGLE(rr->tl.x,rr->br.y+1, rr->br.x,rr->br.y+1, "+");
482 static void find_table_entry(Rect commod, int colno, Rect *cell) {
483 cell->tl.y= commod.tl.y;
484 cell->br.y= commod.br.y;
485 cell->tl.x= !colno ? commod.tl.x : colrightx[colno-1]+2;
486 cell->br.x= colrightx[colno];
487 debug_rect("cell", colno, *cell);
489 const RgbImage *ri= cim->rgb;
491 Rgb background= ri_rgb(ri, cell->br.x, cell->br.y);
492 long bg_count=0, light_count=0, dark_count=0;
494 FOR_P_RECT(p,*cell) {
495 Rgb here= ri_rgb(ri, p.x, p.y);
496 if (here == background) bg_count++;
497 else if (here < background) dark_count++;
498 else if (here > background) light_count++;
500 long total_count= RECT_W(*cell) * RECT_H(*cell);
501 MUST( bg_count > total_count / 2,
502 MR(*cell);MIL(total_count);MIL(bg_count);
503 MIL(light_count);MIL(dark_count) );
504 if (bg_count == total_count)
507 MUST( !!dark_count != !!light_count,
508 MR(*cell);MIL(total_count);MIL(bg_count);
509 MIL(light_count);MIL(dark_count) );
511 debugf("TABLEENTRY col=%d %d,%d..%d,%d bg=%ld light=%ld dark=%ld\n",
512 colno, cell->tl.x,cell->tl.y, cell->br.x,cell->br.y,
513 bg_count, light_count, dark_count);
518 foreground= 0xffffffU;
526 FOR_P_RECT(p,*cell) {
527 Rgb here= ri_rgb(ri, p.x, p.y);
528 double alpha[3], alpha_mean=0;
530 for (i=0; i<3; i++) {
531 unsigned char here_chan= here >> (i*8);
532 unsigned char bg_chan= background >> (i*8);
533 unsigned char fg_chan= foreground >> (i*8);
535 ((double)here_chan - (double)bg_chan) /
536 ((fg_chan + fg_extra) - (double)bg_chan);
537 alpha[i]= alpha_chan;
538 alpha_mean += alpha_chan * (1/3.0);
541 double thresh= 1.5/AAMAXVAL;
542 double alpha_min= alpha_mean - thresh;
543 double alpha_max= alpha_mean + thresh;
545 MUST( alpha_min <= alpha[i] && alpha[i] <= alpha_max,
546 MI(i);MRGB(here);MRGB(background);MRGB(foreground);
547 MF(alpha_min);MF(alpha[i]);MF(alpha_max) );
549 MUST( 0 <= alpha_mean && alpha_mean < 0.999,
550 MRGB(here);MRGB(background);MRGB(foreground);
551 MF(alpha_mean); MF(alpha[0]);MF(alpha[1]);MF(alpha[2]); );
552 int here_int= floor((AAMAXVAL+1)*alpha_mean);
553 assert(here_int <= AAMAXVAL);
554 if (!(here_int==0 || here_int==AAMAXVAL)) monochrome=0;
555 cim->d[p.y * cim->w + p.x]= '0' + here_int;
558 debug_rect("cell0M", colno, *cell);
560 require_rectangle_r(*cell, "0123456789", __LINE__);
563 static void ocr_rectangle(Rect r, const OcrCellType ct, FILE *tsv_output) {
564 OcrResultGlyph *results, *res;
566 int w= r.br.x - r.tl.x + 1;
569 for (x=0; x<w; x++) {
571 for (y=0; y<text_h; y++) {
572 Point here= { x+r.tl.x, y+r.tl.y };
573 int pixel= get_p(here);
574 if (pixel==' ') pixel= '0';
575 MUST( pixel >= '0' && pixel <= '0'+AAMAXVAL,
576 MC(pixel);MP(here);MSB(ocr_celltype_name(ct));MR(r); );
577 pixcol_p_add(&cols[x], y, pixel-'0');
582 results= ocr(rd,ct,w,cols);
583 for (res=results; res->s; res++)
584 fputs(res->s,tsv_output);
587 void analyse(FILE *tsv_output) {
589 int page, tryrect, colno;
591 for (page=0; page<npages; page++) {
592 find_structure(page_images[page], 0);
595 check_correct_commodities();
598 rd= ocr_init(text_h);
600 progress("Scanning page %d...",page);
602 for (tryrect= +cim->h; tryrect >= -cim->h; tryrect--) {
603 find_commodity(tryrect, &thisr);
606 debug_rect("commod",tryrect, thisr);
609 for (colno=0; colno<columns; colno++) {
610 find_table_entry(thisr,colno,&entryr);
611 fputs(tab, tsv_output);
612 ocr_rectangle(entryr,
615 : &ocr_celltype_number,
619 fputs("\n", tsv_output);
620 sysassert(!ferror(tsv_output));
621 sysassert(!fflush(tsv_output));
624 progress("Commodity table scan complete.");
627 //static Rect islandnamer;
629 DEBUG_DEFINE_SOME_DEBUGF(structcolon,colondebugf)
631 Rect find_sunshine_widget(void) {
634 sunshiner.tl.x= cim->w - 1034 + 885;
635 sunshiner.br.x= cim->w - 1034 + 1020;
639 ADJUST_BOX(sunshiner,"o*",>=,30, 100,MUST, tl,y,-1);
640 ADJUST_BOX(sunshiner,"o*",>=,30, 100,MUST, br,y,+1);
641 debug_rect("sunshiner",0, sunshiner);
643 MUST(sunshiner.br.y - sunshiner.tl.y > 20, MR(sunshiner));
646 ADJUST_BOX(sunshiner,"o",>=,20, (cim->w - 1034 + 700), MUST, tl,x,-1);
647 ADJUST_BOX(sunshiner,"o",>=,20, cim->w, MUST, br,x,+1);
648 debug_rect("sunshiner",1, sunshiner);
652 void find_islandname(RgbImage *ri) {
653 find_structure(page_images[0], 0);
655 Rect sunshiner= find_sunshine_widget();
656 char sunshine[MAXIMGIDENT], archisland[MAXIMGIDENT];
658 const unsigned char *srcp;
659 unsigned char *destp, *endp;
660 for (srcp=page_images[0]->rgb->data, destp=ri->data,
661 endp= ri->data + 3 * ri->w * ri->h;
664 unsigned char c= *srcp & 0xf0;
668 identify_rgbimage(ri, sunshiner, sunshine, "sunshine widget");
670 if (!memcmp(sunshine,"Vessel ",5)) {
673 islandnamer.tl.x= cim->w - 1034 + 885;
674 islandnamer.br.x= cim->w - 1034 + 1020;
675 islandnamer.tl.y= 128;
676 islandnamer.br.y= 156;
678 ADJUST_BOX(islandnamer,"o",>=,5, 0, MUST, tl,y,+1);
679 ADJUST_BOX(islandnamer,"o",>=,5, cim->h, MUST, br,y,-1);
681 ADJUST_BOX(islandnamer,"o",>=,1, 0, MUST, tl,x,+1);
682 ADJUST_BOX(islandnamer,"o",>=,1, cim->w, MUST, br,x,-1);
684 debug_rect("islandnamer",0, islandnamer);
685 // int larger_islandnamebry= islandnamer.tl.y + 25;
686 // MUST(islandnamer.br.y < larger_islandnamebry,
687 // MR(islandnamer);MI(larger_islandnamebry));
688 // islandnamer.br.y = larger_islandnamebry;
689 debug_rect("islandnamer",1, islandnamer);
692 for (x=islandnamer.tl.x; x<=islandnamer.br.x; x++)
693 for (y=islandnamer.tl.y; y<=islandnamer.br.y; y++) {
694 if (RI_PIXEL(ri,x,y)[0] < 0x40) {
695 for (i=0; i<3; i++) {
696 RI_PIXEL(ri,x,y)[i]= 0;
701 identify_rgbimage(ri, islandnamer, archisland, "island");
702 } else if (!strcmp(sunshine,"Land - Ahoy!")) {
705 islandnamer.tl.x= (sunshiner.tl.x + sunshiner.br.x) / 2;
706 islandnamer.tl.y= sunshiner.tl.y + 100;
707 islandnamer.br= islandnamer.tl;
708 debug_rect("islandnamer",__LINE__, islandnamer);
710 WALK_UNTIL_MUST(islandnamer.tl,y, -1, sunshiner.br.y, 'H');
711 WALK_UNTIL_MUST(islandnamer.tl,x, -1, 0, 'o');
712 WALK_UNTIL_MUST(islandnamer.br,x, +1, cim->w, 'o');
713 debug_rect("islandnamer",__LINE__, islandnamer);
715 #define RW (RECT_W(islandnamer))
716 #define RH (RECT_H(islandnamer))
718 ADJUST_BOX(islandnamer,"O",>=,RW-4, cim->h, MUST,br,y,+1);
719 debug_rect("islandnamer",__LINE__, islandnamer);
721 islandnamer.br.y += 2;
723 ADJUST_BOX(islandnamer,"*",<,RW, cim->h, MUST,br,y,+1);
724 debug_rect("islandnamer",__LINE__, islandnamer);
726 islandnamer.tl.y= islandnamer.br.y-1;
727 islandnamer.br.y= islandnamer.br.y+1;
728 debug_rect("islandnamer",__LINE__, islandnamer);
730 ADJUST_BOX(islandnamer,"*",>=,RW, cim->h, MUST,br,y,+1);
731 debug_rect("islandnamer",__LINE__, islandnamer);
733 ADJUST_BOX(islandnamer,"*",<, RH, cim->w, MUST,tl,x,+1);
734 debug_rect("islandnamer",__LINE__, islandnamer);
736 MUST( RECT_H(islandnamer) <= 30, MR(islandnamer));
739 int nspaces=1, might_be_colon=0;
740 uint32_t colon_pattern= 0;
743 for (p.x=islandnamer.br.x; p.x>islandnamer.tl.x; p.x--) {
744 colondebugf("structcolon: x=%4d nsp=%2d mbc=%d cp=%08"PRIx32" ",
745 p.x, nspaces, might_be_colon, colon_pattern);
748 int runs[32], nruns=0;
749 runs[0]=0; runs[1]=0;
751 for (p.y=islandnamer.tl.y; p.y<=islandnamer.br.y; p.y++) {
754 case '*': if (runs[nruns]) { nruns++; runs[nruns]=0; } break;
755 case 'O': runs[nruns]++; pattern |= 1u; break;
756 default: pattern |= 1UL<<31; break;
760 colondebugf(" pat=%08"PRIx32" nruns=%d runs[]={%d,%d..} ",
761 pattern, nruns, runs[0],runs[1]);
765 /* omg it _is_ a colon */
770 if (!(pattern & 1UL<<31) && nruns==2 && runs[1]==runs[0]) {
772 if (pattern==colon_pattern)
773 goto ok_might_be_colon;
774 } else if (nspaces>=2) {
775 colon_pattern= pattern;
777 goto ok_might_be_colon;
784 colondebugf(" nsp=%2d mbc=%d\n", nspaces, might_be_colon);
786 MUST(!"colon found", MP(p);MR(islandnamer) );
789 colondebugf(" found\n");
790 islandnamer.br.x= p.x;
792 identify_rgbimage(ri, islandnamer, archisland, "island");
795 MUST(!"sunshine shows ship or ahoy", MS(sunshine) );
799 char *delim= strstr(archisland," - ");
801 archipelago= masprintf("%.*s", (int)(delim-archisland), archisland);
802 island= masprintf("%s", delim+3);