src/lib/16_map.c

   1 /* Project 16 Source Code~\r
   2  * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
   3  *\r
   4  * This file is part of Project 16.\r
   5  *\r
   6  * Project 16 is free software; you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation; either version 3 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * Project 16 is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>, or\r
  18  * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
  19  * Fifth Floor, Boston, MA 02110-1301 USA.\r
  20  *\r
  21  */\r
  22 \r
  23 #include "src/lib/16_map.h"\r
  24 \r
  25 // Ideally, preprocess json during compilation and read serialized data\r
  26 \r
  27 int jsoneq(const char *json, jsmntok_t *tok, const char *s) {\r
  28         if (tok->type == JSMN_STRING && (int) strlen(s) == tok->end - tok->start &&\r
  29                         strncmp(json + tok->start, s, tok->end - tok->start) == 0) {\r
  30                 return 0;\r
  31         }\r
  32         return -1;\r
  33 }\r
  34 \r
  35 /*//this function is quite messy ^^; sorry! it is a quick and dirty fix~\r
  36 word dump(const char *js, jsmntok_t *t, size_t count, word indent, char *js_sv, map_t *map, dword q) {\r
  37         dword i;\r
  38         word j;//, k;\r
  39         bitmap_t bp;\r
  40         #ifdef DEBUG_JS\r
  41         if(indent==0)\r
  42         {\r
  43                 fprintf(stdout, "%s\n", js);\r
  44                 fprintf(stdout, "\n");\r
  45         }\r
  46         #endif\r
  47         #ifdef DEBUG_DUMPVARS\r
  48         fprintf(stdout, "t->size=[%d]   ", t->size);\r
  49         fprintf(stdout, "q=[%d] ", q);\r
  50         fprintf(stdout, "indent= [%d]   ", indent);\r
  51         fprintf(stdout, "js_sv= [%s]\n", js_sv);\r
  52         #endif\r
  53         if (count == 0) {\r
  54                 return 0;\r
  55         }\r
  56         // We may want to do strtol() here to get numeric value\r
  57 //0000fprintf(stderr, "t->type=%d\n", t->type);\r
  58         if (t->type == JSMN_PRIMITIVE) {\r
  59                 if(strstr(js_sv, "data"))\r
  60                 {\r
  61                         //\r
  62                         //      here we should recursivly call dump again here to skip over the array until we get the width of the map.\r
  63                         //      so we can initiate the map which allocates the facking map->tiles ->data->data properly and THEN we can return\r
  64                         //      here to read the data.... That is my design for this... wwww\r
  65 \r
  66                         //      well i am stuck.... wwww\r
  67                         //\r
  68                         map->data[q] = (byte)atoi(js+t->start);\r
  69                         #ifdef DEBUG_MAPDATA\r
  70                                 fprintf(stdout, "%d[%d]", q, map->data[q]);\r
  71                         #endif\r
  72                 }\r
  73                 else\r
  74                 if(strstr(js_sv, "height"))\r
  75                 {\r
  76                         map->height = atoi(js+t->start);\r
  77                         #ifdef DEBUG_MAPVAR\r
  78                         fprintf(stdout, "indent= [%d]   ", indent);\r
  79                         fprintf(stdout, "h:[%d]\n", map->height);\r
  80                         #endif\r
  81                 }else if(strstr(js_sv, "width"))\r
  82                 {\r
  83                         map->width = atoi(js+t->start);\r
  84                         #ifdef DEBUG_MAPVAR\r
  85                         fprintf(stdout, "indent= [%d]   ", indent);\r
  86                         fprintf(stdout, "w:[%d]\n", map->width);\r
  87                         #endif\r
  88                 }\r
  89                 return 1;\r
  90                 // We may use strndup() to fetch string value\r
  91         } else if (t->type == JSMN_STRING) {\r
  92                 if(jsoneq(js, t, "data") == 0)\r
  93                 {\r
  94 //                      fprintf(stdout, "[[[[%d|%d]]]]\n", &(t+1)->size, (t+1)->size);\r
  95 //                      fprintf(stdout, "\n%.*s[xx[%d|%d]xx]\n", (t+1)->end - (t+1)->start, js+(t+1)->start, &(t+1)->size, (t+1)->size);\r
  96                         map->data = malloc(sizeof(byte) * (t+1)->size);\r
  97                         map->tiles = malloc(sizeof(tiles_t));\r
  98                         map->tiles->btdata = malloc(sizeof(bitmap_t));\r
  99                         //fix this to be far~\r
 100 //0000                  bp = bitmapLoadPcx("data/ed.pcx");\r
 101 //                      bp = bitmapLoadPcx("data/koishi^^.pcx");\r
 102                         map->tiles->btdata = &bp;\r
 103 //----                  map->tiles->data = planar_buf_from_bitmap(&bp);\r
 104                         //map->tiles->data->data = malloc((16)*16);\r
 105                         //map->tiles->data->width = (16/);\r
 106                         //map->tiles->data->height= 16;\r
 107                         map->tiles->tileHeight = 16;\r
 108                         map->tiles->tileWidth = 16;\r
 109                         map->tiles->rows = 1;\r
 110                         map->tiles->cols = 1;\r
 111 #ifdef __DEBUG_MAP__\r
 112                         dbg_maptext=false;\r
 113 #endif\r
 114                         strcpy(js_sv, "data");//strdup(js+t->start);//, t->end - t->start);\r
 115                 }\r
 116                 else\r
 117                 if (jsoneq(js, t, "height") == 0 && indent<=1)\r
 118                 {\r
 119                         strcpy(js_sv, "height");//strdup(js+t->start);//, t->end - t->start);\r
 120                 }else\r
 121                 if(jsoneq(js, t, "width") == 0 && indent<=1)\r
 122                 {\r
 123                         strcpy(js_sv, "width");//strdup(js+t->start);//, t->end - t->start);\r
 124                 }else strcpy(js_sv, "\0");\r
 125                 return 1;\r
 126         } else if (t->type == JSMN_OBJECT) {\r
 127                 //fprintf(stdout, "\n");\r
 128                 j = 0;\r
 129                 for (i = 0; i < t->size; i++) {\r
 130                         //for (k = 0; k < indent; k++) fprintf(stdout, "\t");\r
 131                         j += dump(js, t+1+j, count-j, indent+1, js_sv, map, i);\r
 132                         //fprintf(stdout, ": ");\r
 133                         j += dump(js, t+1+j, count-j, indent+1, js_sv, map, i);\r
 134                         //fprintf(stdout, "\n");\r
 135                 }\r
 136                 return j+1;\r
 137         } else if (t->type == JSMN_ARRAY) {\r
 138                 j = 0;\r
 139                 //fprintf(stdout, "==\n");\r
 140                 for (i = 0; i < t->size; i++) {\r
 141                         //for (k = 0; k < indent-1; k++) fprintf(stdout, "\t");\r
 142                         //fprintf(stdout, "\t-");\r
 143                         j += dump(js, t+1+j, count-j, indent+1, js_sv, map, i);\r
 144                         //fprintf(stdout, "==\n");\r
 145                 }\r
 146                 return j+1;\r
 147         }\r
 148         return 0;\r
 149 }\r
 150 \r
 151 int loadmap(char *mn, map_t *map, global_game_variables_t *gvar)\r
 152 {\r
 153         int r;\r
 154         static word incr=0;\r
 155         int eof_expected = 0;\r
 156         char *js = NULL;\r
 157         size_t jslen = 0;\r
 158         char buf[BUFSIZ];\r
 159         static char js_ss[16];\r
 160 \r
 161         jsmn_parser p;\r
 162         jsmntok_t *tok;\r
 163         size_t tokcount = 2;\r
 164 \r
 165         FILE *fh = fopen(mn, "r");\r
 166 \r
 167         // Prepare parser\r
 168         jsmn_init(&p);\r
 169 \r
 170         // Allocate some tokens as a start\r
 171 //0000fprintf(stderr, "tok malloc\n");\r
 172         tok = malloc(sizeof(*tok) * tokcount);\r
 173         if (tok == NULL) {\r
 174                 fprintf(stderr, "malloc(): errno=%d\n", errno);\r
 175                 return 3;\r
 176         }\r
 177 \r
 178         for (;;) {\r
 179                 // Read another chunk\r
 180 //0000fprintf(stderr, "read\n");\r
 181                 r = fread(buf, 1, sizeof(buf), fh);\r
 182                 if (r < 0) {\r
 183                         fprintf(stderr, "fread(): %d, errno=%d\n", r, errno);\r
 184                         return 1;\r
 185                 }\r
 186                 if (r == 0) {\r
 187                         if (eof_expected != 0) {\r
 188                                 return 0;\r
 189                         } else {\r
 190                                 fprintf(stderr, "fread(): unexpected EOF\n");\r
 191                                 return 2;\r
 192                         }\r
 193                 }\r
 194 //0000fprintf(stdout, "r=       [%d]    BUFSIZ=%d\n", r, BUFSIZ);\r
 195 //0000fprintf(stderr, "js alloc~\n");\r
 196                 js = realloc(js, jslen + r + 1);\r
 197                 if (js == NULL) {\r
 198                         fprintf(stderr, "*js=%Fp\n", *js);\r
 199                         fprintf(stderr, "realloc(): errno = %d\n", errno);\r
 200                         return 3;\r
 201                 }\r
 202                 strncpy(js + jslen, buf, r);\r
 203                 jslen = jslen + r;\r
 204 \r
 205 again:\r
 206 //0000fprintf(stdout, " parse~ tok=%zu  jslen=%zu       r=%d    _memavl()=%u    BUFSIZ=%d~\n", tokcount, jslen, r, _memavl(), BUFSIZ);\r
 207 //0000fprintf(stdout, "p=[%u]   [%u]    [%d]\n", p.pos, p.toknext, p.toksuper);\r
 208 //\r
 209 //              I think it crashes on the line below when it tries to parse the data of huge maps... wwww this is a jsmn problem wwww\r
 210 //\r
 211                 r = jsmn_parse(&p, js, jslen, tok, tokcount);\r
 212 //0000fprintf(stdout, "r=       [%d]\n", r);\r
 213                 if (r < 0) {\r
 214                         if (r == JSMN_ERROR_NOMEM) {\r
 215                                 tokcount = tokcount * 2;\r
 216 //0000fprintf(stderr, "tok realloc~ %zu\n", tokcount);\r
 217                                 tok = realloc(tok, sizeof(*tok) * tokcount);\r
 218                                 if (tok == NULL) {\r
 219                                         fprintf(stderr, "realloc(): errno=%d\n", errno);\r
 220                                         return 3;\r
 221                                 }\r
 222                                 goto again;\r
 223                         }\r
 224                 } else {\r
 225                         //printf("js=%Fp\n", (js));\r
 226                         //printf("*js=%Fp\n", (*(js)));\r
 227                         //printf("&*js=%s\n", &(*(js)));\r
 228                         //printf("&buf=[%Fp]\n", &buf);\r
 229                         //printf("&buf_seg=[%x]\n", FP_SEG(&buf));\r
 230                         //printf("&buf_off=[%x]\n", FP_OFF(&buf));\r
 231                         //printf("&buf_fp=[%Fp]\n", MK_FP(FP_SEG(&buf), FP_OFF(&buf)));\r
 232                         //printf("buf=[\n%s\n]\n", buf);\r
 233                         //printf("buff=[%Fp]\n", buff);\r
 234                         //printf("(*buff)=[%Fp]\n", (*buff));\r
 235                         //printf("&(*buff)=[\n%s\n]\n", &(*buff));\r
 236                         #ifdef DEBUG_DUMPVARS\r
 237                         fprintf(stdout, "running dump~\n");\r
 238                         #endif\r
 239                         dump(js, tok, p.toknext, incr, &js_ss, map, 0);\r
 240                         eof_expected = 1;\r
 241                 }\r
 242         }\r
 243 \r
 244         //free(js);\r
 245         //free(tok);\r
 246         //fclose(fh);\r
 247 \r
 248         return 0;\r
 249 }*/\r
 250 \r
 251 void extract_map(const char *js, jsmntok_t *t, size_t count, map_t *map) {\r
 252         int i, j, k, indent=0, inner_end;\r
 253         char *s;\r
 254         boolean objlay=0;\r
 255         //bitmap_t bp;\r
 256 \r
 257         i = 0;\r
 258 #define MAPLNAMESIZE t[i+1].end - t[i+1].start\r
 259         while(i<count) {\r
 260                 if(jsoneq(js, &(t[i]), "layers") == 0) {\r
 261                         i++;\r
 262                         //map->layerdata = malloc(sizeof(byte*) * t[i].size);\r
 263                         inner_end = t[i].end;\r
 264                         k = 0;\r
 265                         while(t[i].start < inner_end) {\r
 266 #ifdef DEBUG_DUMPVARS\r
 267                                 printf("t[%d].start=%d, %d\n", i, t[i].start, inner_end);\r
 268 #endif\r
 269                                 if(!objlay){\r
 270                                 if(jsoneq(js, &(t[i]), "data") == 0) {\r
 271 #ifdef DEBUG_MAPDATA\r
 272                                         printf("Layer %d data: (size is %d)[\n", k, t[i+1].size);\r
 273 #endif\r
 274                                         map->layerdata[k].data = malloc(sizeof(byte) * t[i+1].size);\r
 275 //                                      map->data = (map->layerdata[k].data); //for backwards compatibility for rest of code\r
 276                                         for(j = 0; j < t[i+1].size; j++) {\r
 277                                                 //map->layerdata[k][j] = (byte)atoi(js + t[i+2+j].start);\r
 278                                                 map->layerdata[k].data[j] = (byte)atoi(js + t[i+2+j].start);\r
 279 #ifdef DEBUG_MAPDATA\r
 280                                                 //printf("[%d,%d]%d", k, j, map->MAPDATAPTK[j]);\r
 281                                                 printf("%c",  map->MAPDATAPTK[j]+44);\r
 282                                                 //fprintf(stdout, "%c", map->data[j]+44);\r
 283 #endif\r
 284                                         }\r
 285                                         i += j + 2;\r
 286 #ifdef DEBUG_MAPDATA\r
 287                                         puts("\n]");\r
 288 #endif\r
 289                                 }else if(jsoneq(js, &(t[i]), "name") == 0) {\r
 290 #ifdef DEBUG_MAPDATA\r
 291                                         printf("Layer %d's name: (size is %d)[\n", k, MAPLNAMESIZE);\r
 292 #endif\r
 293                                         map->layerdata[k].layername = malloc(sizeof(byte) * MAPLNAMESIZE);\r
 294                                         strncpy(map->layerdata[k].layername, js+t[i+1].start, MAPLNAMESIZE);\r
 295                                         if(map->layerdata[k].layername[MAPLNAMESIZE]!=0) map->layerdata[k].layername[MAPLNAMESIZE]='\0';\r
 296                                         if(strstr(map->layerdata[k].layername, "ob")) objlay=1;\r
 297 #ifdef DEBUG_MAPDATA\r
 298                                         printf("%s", map->layerdata[k].layername);\r
 299                                         printf("\n]\n");\r
 300 #endif\r
 301                                         k++;\r
 302                                 }\r
 303                                 }else{ //objlay\r
 304                                 if(jsoneq(js, &(t[i]), "objects") == 0) {\r
 305 #ifdef DEBUG_MAPDATA\r
 306                                         printf("objects detected\n");\r
 307 #endif\r
 308 //                                      map->layerdata[k].layername = malloc(sizeof(byte) * MAPLNAMESIZE);\r
 309 //                                      strncpy(map->layerdata[k].layername, js+t[i+1].start, MAPLNAMESIZE);\r
 310 //                                      if(map->layerdata[k].layername[MAPLNAMESIZE]!=0) map->layerdata[k].layername[MAPLNAMESIZE]='\0';\r
 311                                 }else if(jsoneq(js, &(t[i]), "name") == 0) {\r
 312 #ifdef DEBUG_MAPDATA\r
 313                                         printf("Object %d's name: (size is %d)[\n", k, MAPLNAMESIZE);\r
 314                                         printf("'%.*s'", t[i+1].end - t[i+1].start, js+t[i+1].start);\r
 315                                         printf("\n]\n");\r
 316 #endif\r
 317                                         }\r
 318                                 }\r
 319                                 i++;\r
 320                         }\r
 321                 }\r
 322 \r
 323 \r
 324                 if(jsoneq(js, &(t[i]), "tilesets") == 0) {\r
 325                         i++;\r
 326                         inner_end = t[i].end;\r
 327                         k = 0;\r
 328                         while(t[i].start < inner_end) {\r
 329                                 if(jsoneq(js, &(t[i]), "image") == 0) {\r
 330                                         map->MAPTILESPTK = malloc(sizeof(tiles_t));\r
 331                                         s = remove_ext((char *)js+t[i+1].start, '.', '/');\r
 332                                         strcpy(map->MAPTILESPTK->imgname, s);\r
 333                                         //And move to vrs, probably\r
 334 //                                      bp = bitmapLoadPcx("data/ed.pcx");\r
 335 //                                      map->MAPTILESPTK->btdata = &bp;\r
 336                                         //map->MAPTILESPTK->btdata = malloc(sizeof(bitmap_t));\r
 337                                         map->MAPTILESPTK->rows = 1;\r
 338                                         map->MAPTILESPTK->cols = 1;\r
 339 #ifdef __DEBUG_MAP__\r
 340                                         dbg_maptext=false;\r
 341 #endif\r
 342                                         i++;\r
 343                                 }else if(jsoneq(js, &(t[i]), "tileheight") == 0) {\r
 344                                         map->MAPTILESPTK->tileHeight = atoi(js + t[i+1].start);\r
 345 #ifdef DEBUG_MAPVAR\r
 346                                         printf("Tile Height: %d\n", map->MAPTILESPTK->tileHeight);\r
 347 #endif\r
 348                                         i++;\r
 349                                 }else if(jsoneq(js, &(t[i]), "tilewidth") == 0) {\r
 350                                         map->MAPTILESPTK->tileWidth = atoi(js + t[i+1].start);\r
 351 #ifdef DEBUG_MAPVAR\r
 352                                         printf("Tile Width: %d\n", map->MAPTILESPTK->tileWidth);\r
 353 #endif\r
 354                                         i++;\r
 355                                 }\r
 356                                 i++;\r
 357                                 k++;\r
 358                         }\r
 359                 }\r
 360 \r
 361                 if (jsoneq(js, &(t[i]), "height") == 0 && indent<=1) {\r
 362                         map->height = atoi(js + t[i+1].start);\r
 363 #ifdef DEBUG_MAPVAR\r
 364                         printf("Height: %d\n", map->height);\r
 365 #endif\r
 366                         i++;\r
 367                 }\r
 368                 else if(jsoneq(js, &(t[i]), "width") == 0 && indent<=1) {\r
 369                         map->width = atoi(js + t[i+1].start);\r
 370 #ifdef DEBUG_MAPVAR\r
 371                         printf("Width: %d\n", map->width);\r
 372 #endif\r
 373                         i++;\r
 374                 }\r
 375                 i++;\r
 376         }\r
 377 }\r
 378 \r
 379 int newloadmap(char *mn, map_t *map) {\r
 380         char *js;\r
 381 \r
 382         jsmn_parser p;\r
 383         jsmntok_t *tok = NULL;\r
 384         size_t tokcount, file_s;\r
 385 \r
 386         FILE *fh = fopen(mn, "r");\r
 387         int status;\r
 388 \r
 389         /* Prepare parser */\r
 390         jsmn_init(&p);\r
 391 \r
 392         file_s = filesize(fh);\r
 393         js = malloc(file_s);\r
 394         if(js == NULL) {\r
 395                 fprintf(stderr, "malloc(): errno = %d", 2);\r
 396                 fclose(fh);\r
 397                 return 3;\r
 398         }\r
 399         if(fread(js, 1, file_s, fh) != file_s) {\r
 400                 fprintf(stderr, "Map read error");\r
 401                 free(js);\r
 402                 fclose(fh);\r
 403                 return 1;\r
 404         }\r
 405         tokcount = jsmn_parse(&p, js, file_s, NULL, 0);\r
 406         tok = malloc(tokcount*sizeof(jsmntok_t));\r
 407         printf("Allocated %d tokens", tokcount);\r
 408         jsmn_init(&p);\r
 409         if((status = jsmn_parse(&p, js, file_s, tok, tokcount)) < 0)\r
 410         {\r
 411                 printf("Error: %d\n", status);\r
 412                 return status;\r
 413         }\r
 414         else if(status != tokcount) { printf("Warning: used %d tok\n", status);}\r
 415         extract_map(js, tok, tokcount, map);\r
 416 \r
 417         free(js);\r
 418         free(tok);\r
 419         fclose(fh);\r
 420 \r
 421         return 0;\r
 422 }\r
 423 \r
 424 \r
 425 //======\r
 426 \r
 427 \r
 428 #define MAPBUFINLM (gvar->ca.camap.mapsegs)\r
 429 int CA_loadmap(char *mn, map_t *map, global_game_variables_t *gvar)\r
 430 {\r
 431         jsmn_parser p;\r
 432         jsmntok_t *tok = NULL;\r
 433         size_t tokcount, file_s;\r
 434 \r
 435         FILE *fh = fopen(mn, "r");\r
 436         int status;\r
 437 \r
 438         /* Prepare parser */\r
 439         jsmn_init(&p);\r
 440 \r
 441         file_s = filesize(fh);\r
 442         CA_LoadFile(mn, &MAPBUFINLM, gvar);\r
 443         tokcount = jsmn_parse(&p, MAPBUFINLM, file_s, NULL, 0);\r
 444         tok = malloc(tokcount*sizeof(jsmntok_t));\r
 445 //      printf("Allocated %d tokens", tokcount);\r
 446         jsmn_init(&p);\r
 447         if((status = jsmn_parse(&p, MAPBUFINLM, file_s, tok, tokcount)) < 0)\r
 448         {\r
 449                 printf("Error: %d\n", status);\r
 450                 return status;\r
 451         }\r
 452         else if(status != tokcount) { printf("Warning: used %d tok\n", status);}\r
 453         extract_map(MAPBUFINLM, tok, tokcount, map);\r
 454 \r
 455         free(tok);\r
 456         fclose(fh);\r
 457 \r
 458         return 0;\r
 459 }\r