pr_execprogram.h

   1
   2 // This code isn't #ifdef/#define protectable, don't try.
   3
   4                 while (1)
   5                 {
   6                         st++;
   7                         if (++profile > 1000000) // LordHavoc: increased runaway loop limit 10x
   8                         {
   9                                 pr_xstatement = st - pr_statements;
  10                                 Host_Error ("runaway loop error");
  11                         }
  12
  13 #if PRTRACE
  14                         PR_PrintStatement (st);
  15 #endif
  16
  17                         switch (st->op)
  18                         {
  19                         case OP_ADD_F:
  20                                 OPC->_float = OPA->_float + OPB->_float;
  21                                 break;
  22                         case OP_ADD_V:
  23                                 OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
  24                                 OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
  25                                 OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
  26                                 break;
  27                         case OP_SUB_F:
  28                                 OPC->_float = OPA->_float - OPB->_float;
  29                                 break;
  30                         case OP_SUB_V:
  31                                 OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
  32                                 OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
  33                                 OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
  34                                 break;
  35                         case OP_MUL_F:
  36                                 OPC->_float = OPA->_float * OPB->_float;
  37                                 break;
  38                         case OP_MUL_V:
  39                                 OPC->_float = OPA->vector[0]*OPB->vector[0] + OPA->vector[1]*OPB->vector[1] + OPA->vector[2]*OPB->vector[2];
  40                                 break;
  41                         case OP_MUL_FV:
  42                                 OPC->vector[0] = OPA->_float * OPB->vector[0];
  43                                 OPC->vector[1] = OPA->_float * OPB->vector[1];
  44                                 OPC->vector[2] = OPA->_float * OPB->vector[2];
  45                                 break;
  46                         case OP_MUL_VF:
  47                                 OPC->vector[0] = OPB->_float * OPA->vector[0];
  48                                 OPC->vector[1] = OPB->_float * OPA->vector[1];
  49                                 OPC->vector[2] = OPB->_float * OPA->vector[2];
  50                                 break;
  51                         case OP_DIV_F:
  52                                 OPC->_float = OPA->_float / OPB->_float;
  53                                 break;
  54                         case OP_BITAND:
  55                                 OPC->_float = (int)OPA->_float & (int)OPB->_float;
  56                                 break;
  57                         case OP_BITOR:
  58                                 OPC->_float = (int)OPA->_float | (int)OPB->_float;
  59                                 break;
  60                         case OP_GE:
  61                                 OPC->_float = OPA->_float >= OPB->_float;
  62                                 break;
  63                         case OP_LE:
  64                                 OPC->_float = OPA->_float <= OPB->_float;
  65                                 break;
  66                         case OP_GT:
  67                                 OPC->_float = OPA->_float > OPB->_float;
  68                                 break;
  69                         case OP_LT:
  70                                 OPC->_float = OPA->_float < OPB->_float;
  71                                 break;
  72                         case OP_AND:
  73                                 OPC->_float = OPA->_float && OPB->_float;
  74                                 break;
  75                         case OP_OR:
  76                                 OPC->_float = OPA->_float || OPB->_float;
  77                                 break;
  78                         case OP_NOT_F:
  79                                 OPC->_float = !OPA->_float;
  80                                 break;
  81                         case OP_NOT_V:
  82                                 OPC->_float = !OPA->vector[0] && !OPA->vector[1] && !OPA->vector[2];
  83                                 break;
  84                         case OP_NOT_S:
  85                                 OPC->_float = !OPA->string || !*PR_GetString(OPA->string);
  86                                 break;
  87                         case OP_NOT_FNC:
  88                                 OPC->_float = !OPA->function;
  89                                 break;
  90                         case OP_NOT_ENT:
  91                                 OPC->_float = (OPA->edict == 0);
  92                                 break;
  93                         case OP_EQ_F:
  94                                 OPC->_float = OPA->_float == OPB->_float;
  95                                 break;
  96                         case OP_EQ_V:
  97                                 OPC->_float = (OPA->vector[0] == OPB->vector[0]) && (OPA->vector[1] == OPB->vector[1]) && (OPA->vector[2] == OPB->vector[2]);
  98                                 break;
  99                         case OP_EQ_S:
 100                                 OPC->_float = !strcmp(PR_GetString(OPA->string),PR_GetString(OPB->string));
 101                                 break;
 102                         case OP_EQ_E:
 103                                 OPC->_float = OPA->_int == OPB->_int;
 104                                 break;
 105                         case OP_EQ_FNC:
 106                                 OPC->_float = OPA->function == OPB->function;
 107                                 break;
 108                         case OP_NE_F:
 109                                 OPC->_float = OPA->_float != OPB->_float;
 110                                 break;
 111                         case OP_NE_V:
 112                                 OPC->_float = (OPA->vector[0] != OPB->vector[0]) || (OPA->vector[1] != OPB->vector[1]) || (OPA->vector[2] != OPB->vector[2]);
 113                                 break;
 114                         case OP_NE_S:
 115                                 OPC->_float = strcmp(PR_GetString(OPA->string),PR_GetString(OPB->string));
 116                                 break;
 117                         case OP_NE_E:
 118                                 OPC->_float = OPA->_int != OPB->_int;
 119                                 break;
 120                         case OP_NE_FNC:
 121                                 OPC->_float = OPA->function != OPB->function;
 122                                 break;
 123
 124                 //==================
 125                         case OP_STORE_F:
 126                         case OP_STORE_ENT:
 127                         case OP_STORE_FLD:              // integers
 128                         case OP_STORE_S:
 129                         case OP_STORE_FNC:              // pointers
 130                                 OPB->_int = OPA->_int;
 131                                 break;
 132                         case OP_STORE_V:
 133                                 OPB->vector[0] = OPA->vector[0];
 134                                 OPB->vector[1] = OPA->vector[1];
 135                                 OPB->vector[2] = OPA->vector[2];
 136                                 break;
 137
 138                         case OP_STOREP_F:
 139                         case OP_STOREP_ENT:
 140                         case OP_STOREP_FLD:             // integers
 141                         case OP_STOREP_S:
 142                         case OP_STOREP_FNC:             // pointers
 143 #if PRBOUNDSCHECK
 144                                 if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
 145                                 {
 146                                         pr_xstatement = st - pr_statements;
 147                                         Host_Error("Progs attempted to write to an out of bounds edict (%i)\n", OPB->_int);
 148                                         return;
 149                                 }
 150 #endif
 151                                 ptr = (eval_t *)((qbyte *)sv.edictsfields + OPB->_int);
 152                                 ptr->_int = OPA->_int;
 153                                 break;
 154                         case OP_STOREP_V:
 155 #if PRBOUNDSCHECK
 156                                 if (OPB->_int < 0 || OPB->_int + 12 > pr_edictareasize)
 157                                 {
 158                                         pr_xstatement = st - pr_statements;
 159                                         Host_Error("Progs attempted to write to an out of bounds edict (%i)\n", OPB->_int);
 160                                         return;
 161                                 }
 162 #endif
 163                                 ptr = (eval_t *)((qbyte *)sv.edictsfields + OPB->_int);
 164                                 ptr->vector[0] = OPA->vector[0];
 165                                 ptr->vector[1] = OPA->vector[1];
 166                                 ptr->vector[2] = OPA->vector[2];
 167                                 break;
 168
 169                         case OP_ADDRESS:
 170                                 pr_xstatement = st - pr_statements;
 171 #if PRBOUNDSCHECK
 172                                 if ((unsigned int)(OPB->_int) >= (unsigned int)(progs->entityfields))
 173                                 {
 174                                         Host_Error("Progs attempted to address an invalid field (%i) in an edict\n", OPB->_int);
 175                                         return;
 176                                 }
 177 #endif
 178                                 if (OPA->edict == 0 && sv.state == ss_active)
 179                                 {
 180                                         Host_Error ("assignment to world entity");
 181                                         return;
 182                                 }
 183                                 ed = PROG_TO_EDICT(OPA->edict);
 184                                 OPC->_int = (qbyte *)((int *)ed->v + OPB->_int) - (qbyte *)sv.edictsfields;
 185                                 break;
 186
 187                         case OP_LOAD_F:
 188                         case OP_LOAD_FLD:
 189                         case OP_LOAD_ENT:
 190                         case OP_LOAD_S:
 191                         case OP_LOAD_FNC:
 192                                 pr_xstatement = st - pr_statements;
 193 #if PRBOUNDSCHECK
 194                                 if ((unsigned int)(OPB->_int) >= (unsigned int)(progs->entityfields))
 195                                 {
 196                                         Host_Error("Progs attempted to read an invalid field in an edict (%i)\n", OPB->_int);
 197                                         return;
 198                                 }
 199 #endif
 200                                 ed = PROG_TO_EDICT(OPA->edict);
 201                                 OPC->_int = ((eval_t *)((int *)ed->v + OPB->_int))->_int;
 202                                 break;
 203
 204                         case OP_LOAD_V:
 205                                 pr_xstatement = st - pr_statements;
 206 #if PRBOUNDSCHECK
 207                                 if (OPB->_int < 0 || OPB->_int + 2 >= progs->entityfields)
 208                                 {
 209                                         Host_Error("Progs attempted to read an invalid field in an edict (%i)\n", OPB->_int);
 210                                         return;
 211                                 }
 212 #endif
 213                                 ed = PROG_TO_EDICT(OPA->edict);
 214                                 OPC->vector[0] = ((eval_t *)((int *)ed->v + OPB->_int))->vector[0];
 215                                 OPC->vector[1] = ((eval_t *)((int *)ed->v + OPB->_int))->vector[1];
 216                                 OPC->vector[2] = ((eval_t *)((int *)ed->v + OPB->_int))->vector[2];
 217                                 break;
 218
 219                 //==================
 220
 221                         case OP_IFNOT:
 222                                 if (!OPA->_int)
 223                                         st += st->b - 1;        // offset the s++
 224                                 break;
 225
 226                         case OP_IF:
 227                                 if (OPA->_int)
 228                                         st += st->b - 1;        // offset the s++
 229                                 break;
 230
 231                         case OP_GOTO:
 232                                 st += st->a - 1;        // offset the s++
 233                                 break;
 234
 235                         case OP_CALL0:
 236                         case OP_CALL1:
 237                         case OP_CALL2:
 238                         case OP_CALL3:
 239                         case OP_CALL4:
 240                         case OP_CALL5:
 241                         case OP_CALL6:
 242                         case OP_CALL7:
 243                         case OP_CALL8:
 244                                 pr_xfunction->profile += profile - startprofile;
 245                                 startprofile = profile;
 246                                 pr_xstatement = st - pr_statements;
 247                                 pr_argc = st->op - OP_CALL0;
 248                                 if (!OPA->function)
 249                                         Host_Error ("NULL function");
 250
 251                                 newf = &pr_functions[OPA->function];
 252
 253                                 if (newf->first_statement < 0)
 254                                 {
 255                                         // negative statements are built in functions
 256                                         if ((-newf->first_statement) >= pr_numbuiltins)
 257                                                 Host_Error ("Bad builtin call number");
 258                                         pr_builtins[-newf->first_statement] ();
 259                                 }
 260                                 else
 261                                         st = pr_statements + PR_EnterFunction(newf);
 262                                 break;
 263
 264                         case OP_DONE:
 265                         case OP_RETURN:
 266                                 pr_globals[OFS_RETURN] = pr_globals[(unsigned short) st->a];
 267                                 pr_globals[OFS_RETURN+1] = pr_globals[(unsigned short) st->a+1];
 268                                 pr_globals[OFS_RETURN+2] = pr_globals[(unsigned short) st->a+2];
 269
 270                                 st = pr_statements + PR_LeaveFunction();
 271                                 if (pr_depth <= exitdepth)
 272                                         return;         // all done
 273                                 if (pr_trace != cachedpr_trace)
 274                                         goto chooseexecprogram;
 275                                 break;
 276
 277                         case OP_STATE:
 278                                 ed = PROG_TO_EDICT(pr_global_struct->self);
 279                                 ed->v->nextthink = pr_global_struct->time + 0.1;
 280                                 ed->v->frame = OPA->_float;
 281                                 ed->v->think = OPB->function;
 282                                 break;
 283
 284 // LordHavoc: to be enabled when Progs version 7 (or whatever it will be numbered) is finalized
 285 /*
 286                         case OP_ADD_I:
 287                                 OPC->_int = OPA->_int + OPB->_int;
 288                                 break;
 289                         case OP_ADD_IF:
 290                                 OPC->_int = OPA->_int + (int) OPB->_float;
 291                                 break;
 292                         case OP_ADD_FI:
 293                                 OPC->_float = OPA->_float + (float) OPB->_int;
 294                                 break;
 295                         case OP_SUB_I:
 296                                 OPC->_int = OPA->_int - OPB->_int;
 297                                 break;
 298                         case OP_SUB_IF:
 299                                 OPC->_int = OPA->_int - (int) OPB->_float;
 300                                 break;
 301                         case OP_SUB_FI:
 302                                 OPC->_float = OPA->_float - (float) OPB->_int;
 303                                 break;
 304                         case OP_MUL_I:
 305                                 OPC->_int = OPA->_int * OPB->_int;
 306                                 break;
 307                         case OP_MUL_IF:
 308                                 OPC->_int = OPA->_int * (int) OPB->_float;
 309                                 break;
 310                         case OP_MUL_FI:
 311                                 OPC->_float = OPA->_float * (float) OPB->_int;
 312                                 break;
 313                         case OP_MUL_VI:
 314                                 OPC->vector[0] = (float) OPB->_int * OPA->vector[0];
 315                                 OPC->vector[1] = (float) OPB->_int * OPA->vector[1];
 316                                 OPC->vector[2] = (float) OPB->_int * OPA->vector[2];
 317                                 break;
 318                         case OP_DIV_VF:
 319                                 {
 320                                         float temp = 1.0f / OPB->_float;
 321                                         OPC->vector[0] = temp * OPA->vector[0];
 322                                         OPC->vector[1] = temp * OPA->vector[1];
 323                                         OPC->vector[2] = temp * OPA->vector[2];
 324                                 }
 325                                 break;
 326                         case OP_DIV_I:
 327                                 OPC->_int = OPA->_int / OPB->_int;
 328                                 break;
 329                         case OP_DIV_IF:
 330                                 OPC->_int = OPA->_int / (int) OPB->_float;
 331                                 break;
 332                         case OP_DIV_FI:
 333                                 OPC->_float = OPA->_float / (float) OPB->_int;
 334                                 break;
 335                         case OP_CONV_IF:
 336                                 OPC->_float = OPA->_int;
 337                                 break;
 338                         case OP_CONV_FI:
 339                                 OPC->_int = OPA->_float;
 340                                 break;
 341                         case OP_BITAND_I:
 342                                 OPC->_int = OPA->_int & OPB->_int;
 343                                 break;
 344                         case OP_BITOR_I:
 345                                 OPC->_int = OPA->_int | OPB->_int;
 346                                 break;
 347                         case OP_BITAND_IF:
 348                                 OPC->_int = OPA->_int & (int)OPB->_float;
 349                                 break;
 350                         case OP_BITOR_IF:
 351                                 OPC->_int = OPA->_int | (int)OPB->_float;
 352                                 break;
 353                         case OP_BITAND_FI:
 354                                 OPC->_float = (int)OPA->_float & OPB->_int;
 355                                 break;
 356                         case OP_BITOR_FI:
 357                                 OPC->_float = (int)OPA->_float | OPB->_int;
 358                                 break;
 359                         case OP_GE_I:
 360                                 OPC->_float = OPA->_int >= OPB->_int;
 361                                 break;
 362                         case OP_LE_I:
 363                                 OPC->_float = OPA->_int <= OPB->_int;
 364                                 break;
 365                         case OP_GT_I:
 366                                 OPC->_float = OPA->_int > OPB->_int;
 367                                 break;
 368                         case OP_LT_I:
 369                                 OPC->_float = OPA->_int < OPB->_int;
 370                                 break;
 371                         case OP_AND_I:
 372                                 OPC->_float = OPA->_int && OPB->_int;
 373                                 break;
 374                         case OP_OR_I:
 375                                 OPC->_float = OPA->_int || OPB->_int;
 376                                 break;
 377                         case OP_GE_IF:
 378                                 OPC->_float = (float)OPA->_int >= OPB->_float;
 379                                 break;
 380                         case OP_LE_IF:
 381                                 OPC->_float = (float)OPA->_int <= OPB->_float;
 382                                 break;
 383                         case OP_GT_IF:
 384                                 OPC->_float = (float)OPA->_int > OPB->_float;
 385                                 break;
 386                         case OP_LT_IF:
 387                                 OPC->_float = (float)OPA->_int < OPB->_float;
 388                                 break;
 389                         case OP_AND_IF:
 390                                 OPC->_float = (float)OPA->_int && OPB->_float;
 391                                 break;
 392                         case OP_OR_IF:
 393                                 OPC->_float = (float)OPA->_int || OPB->_float;
 394                                 break;
 395                         case OP_GE_FI:
 396                                 OPC->_float = OPA->_float >= (float)OPB->_int;
 397                                 break;
 398                         case OP_LE_FI:
 399                                 OPC->_float = OPA->_float <= (float)OPB->_int;
 400                                 break;
 401                         case OP_GT_FI:
 402                                 OPC->_float = OPA->_float > (float)OPB->_int;
 403                                 break;
 404                         case OP_LT_FI:
 405                                 OPC->_float = OPA->_float < (float)OPB->_int;
 406                                 break;
 407                         case OP_AND_FI:
 408                                 OPC->_float = OPA->_float && (float)OPB->_int;
 409                                 break;
 410                         case OP_OR_FI:
 411                                 OPC->_float = OPA->_float || (float)OPB->_int;
 412                                 break;
 413                         case OP_NOT_I:
 414                                 OPC->_float = !OPA->_int;
 415                                 break;
 416                         case OP_EQ_I:
 417                                 OPC->_float = OPA->_int == OPB->_int;
 418                                 break;
 419                         case OP_EQ_IF:
 420                                 OPC->_float = (float)OPA->_int == OPB->_float;
 421                                 break;
 422                         case OP_EQ_FI:
 423                                 OPC->_float = OPA->_float == (float)OPB->_int;
 424                                 break;
 425                         case OP_NE_I:
 426                                 OPC->_float = OPA->_int != OPB->_int;
 427                                 break;
 428                         case OP_NE_IF:
 429                                 OPC->_float = (float)OPA->_int != OPB->_float;
 430                                 break;
 431                         case OP_NE_FI:
 432                                 OPC->_float = OPA->_float != (float)OPB->_int;
 433                                 break;
 434                         case OP_STORE_I:
 435                                 OPB->_int = OPA->_int;
 436                                 break;
 437                         case OP_STOREP_I:
 438 #if PRBOUNDSCHECK
 439                                 if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
 440                                 {
 441                                         pr_xstatement = st - pr_statements;
 442                                         Host_Error("Progs attempted to write to an out of bounds edict\n");
 443                                         return;
 444                                 }
 445 #endif
 446                                 ptr = (eval_t *)((qbyte *)sv.edictsfields + OPB->_int);
 447                                 ptr->_int = OPA->_int;
 448                                 break;
 449                         case OP_LOAD_I:
 450 #if PRBOUNDSCHECK
 451                                 if (OPA->edict < 0 || OPA->edict >= pr_edictareasize)
 452                                 {
 453                                         pr_xstatement = st - pr_statements;
 454                                         Host_Error("Progs attempted to read an out of bounds edict number\n");
 455                                         return;
 456                                 }
 457                                 if (OPB->_int < 0 || OPB->_int >= progs->entityfields)
 458                                 {
 459                                         pr_xstatement = st - pr_statements;
 460                                         Host_Error("Progs attempted to read an invalid field in an edict\n");
 461                                         return;
 462                                 }
 463 #endif
 464                                 ed = PROG_TO_EDICT(OPA->edict);
 465                                 OPC->_int = ((eval_t *)((int *)ed->v + OPB->_int))->_int;
 466                                 break;
 467
 468                         case OP_GSTOREP_I:
 469                         case OP_GSTOREP_F:
 470                         case OP_GSTOREP_ENT:
 471                         case OP_GSTOREP_FLD:            // integers
 472                         case OP_GSTOREP_S:
 473                         case OP_GSTOREP_FNC:            // pointers
 474 #if PRBOUNDSCHECK
 475                                 if (OPB->_int < 0 || OPB->_int >= pr_globaldefs)
 476                                 {
 477                                         pr_xstatement = st - pr_statements;
 478                                         Host_Error("Progs attempted to write to an invalid indexed global\n");
 479                                         return;
 480                                 }
 481 #endif
 482                                 pr_globals[OPB->_int] = OPA->_float;
 483                                 break;
 484                         case OP_GSTOREP_V:
 485 #if PRBOUNDSCHECK
 486                                 if (OPB->_int < 0 || OPB->_int + 2 >= pr_globaldefs)
 487                                 {
 488                                         pr_xstatement = st - pr_statements;
 489                                         Host_Error("Progs attempted to write to an invalid indexed global\n");
 490                                         return;
 491                                 }
 492 #endif
 493                                 pr_globals[OPB->_int  ] = OPA->vector[0];
 494                                 pr_globals[OPB->_int+1] = OPA->vector[1];
 495                                 pr_globals[OPB->_int+2] = OPA->vector[2];
 496                                 break;
 497
 498                         case OP_GADDRESS:
 499                                 i = OPA->_int + (int) OPB->_float;
 500 #if PRBOUNDSCHECK
 501                                 if (i < 0 || i >= pr_globaldefs)
 502                                 {
 503                                         pr_xstatement = st - pr_statements;
 504                                         Host_Error("Progs attempted to address an out of bounds global\n");
 505                                         return;
 506                                 }
 507 #endif
 508                                 OPC->_float = pr_globals[i];
 509                                 break;
 510
 511                         case OP_GLOAD_I:
 512                         case OP_GLOAD_F:
 513                         case OP_GLOAD_FLD:
 514                         case OP_GLOAD_ENT:
 515                         case OP_GLOAD_S:
 516                         case OP_GLOAD_FNC:
 517 #if PRBOUNDSCHECK
 518                                 if (OPA->_int < 0 || OPA->_int >= pr_globaldefs)
 519                                 {
 520                                         pr_xstatement = st - pr_statements;
 521                                         Host_Error("Progs attempted to read an invalid indexed global\n");
 522                                         return;
 523                                 }
 524 #endif
 525                                 OPC->_float = pr_globals[OPA->_int];
 526                                 break;
 527
 528                         case OP_GLOAD_V:
 529 #if PRBOUNDSCHECK
 530                                 if (OPA->_int < 0 || OPA->_int + 2 >= pr_globaldefs)
 531                                 {
 532                                         pr_xstatement = st - pr_statements;
 533                                         Host_Error("Progs attempted to read an invalid indexed global\n");
 534                                         return;
 535                                 }
 536 #endif
 537                                 OPC->vector[0] = pr_globals[OPA->_int  ];
 538                                 OPC->vector[1] = pr_globals[OPA->_int+1];
 539                                 OPC->vector[2] = pr_globals[OPA->_int+2];
 540                                 break;
 541
 542                         case OP_BOUNDCHECK:
 543                                 if (OPA->_int < 0 || OPA->_int >= st->b)
 544                                 {
 545                                         pr_xstatement = st - pr_statements;
 546                                         Host_Error("Progs boundcheck failed at line number %d, value is < 0 or >= %d\n", st->b, st->c);
 547                                         return;
 548                                 }
 549                                 break;
 550
 551 */
 552
 553                         default:
 554                                 pr_xstatement = st - pr_statements;
 555                                 Host_Error ("Bad opcode %i", st->op);
 556                         }
 557                 }
 558