qcsrc/common/util.qc

   1 #include "util.qh"
   2
   3 #if defined(CSQC)
   4     #include "../client/defs.qh"
   5     #include "constants.qh"
   6         #include "../client/mutators/events.qh"
   7     #include "mapinfo.qh"
   8     #include "notifications/all.qh"
   9     #include <common/deathtypes/all.qh>
  10 #elif defined(MENUQC)
  11 #elif defined(SVQC)
  12     #include "constants.qh"
  13     #include "../server/autocvars.qh"
  14     #include "../server/defs.qh"
  15         #include "../server/mutators/events.qh"
  16     #include "notifications/all.qh"
  17     #include <common/deathtypes/all.qh>
  18     #include "mapinfo.qh"
  19 #endif
  20
  21 #ifdef GAMEQC
  22 /*
  23 * Get "real" origin, in worldspace, even if ent is attached to something else.
  24 */
  25 vector real_origin(entity ent)
  26 {
  27         entity e;
  28         vector v = ((ent.absmin + ent.absmax) * 0.5);
  29
  30         e = ent.tag_entity;
  31         while(e)
  32         {
  33                 v = v + ((e.absmin + e.absmax) * 0.5);
  34                 e = e.tag_entity;
  35         }
  36
  37         return v;
  38 }
  39 #endif
  40
  41 string wordwrap_buffer;
  42
  43 void wordwrap_buffer_put(string s)
  44 {
  45         wordwrap_buffer = strcat(wordwrap_buffer, s);
  46 }
  47
  48 string wordwrap(string s, float l)
  49 {
  50         string r;
  51         wordwrap_buffer = "";
  52         wordwrap_cb(s, l, wordwrap_buffer_put);
  53         r = wordwrap_buffer;
  54         wordwrap_buffer = "";
  55         return r;
  56 }
  57
  58 #ifdef SVQC
  59 entity _wordwrap_buffer_sprint_ent;
  60 void wordwrap_buffer_sprint(string s)
  61 {
  62         wordwrap_buffer = strcat(wordwrap_buffer, s);
  63         if(s == "\n")
  64         {
  65                 sprint(_wordwrap_buffer_sprint_ent, wordwrap_buffer);
  66                 wordwrap_buffer = "";
  67         }
  68 }
  69
  70 void wordwrap_sprint(entity to, string s, float l)
  71 {
  72         wordwrap_buffer = "";
  73         _wordwrap_buffer_sprint_ent = to;
  74         wordwrap_cb(s, l, wordwrap_buffer_sprint);
  75         _wordwrap_buffer_sprint_ent = NULL;
  76         if(wordwrap_buffer != "")
  77                 sprint(to, strcat(wordwrap_buffer, "\n"));
  78         wordwrap_buffer = "";
  79         return;
  80 }
  81 #endif
  82
  83 #ifndef SVQC
  84 string draw_UseSkinFor(string pic)
  85 {
  86         if(substring(pic, 0, 1) == "/")
  87                 return substring(pic, 1, strlen(pic)-1);
  88         else
  89                 return strcat(draw_currentSkin, "/", pic);
  90 }
  91 #endif
  92
  93 void wordwrap_cb(string s, float l, void(string) callback)
  94 {
  95         string c;
  96         float lleft, i, j, wlen;
  97
  98         s = strzone(s);
  99         lleft = l;
 100         for (i = 0;i < strlen(s);++i)
 101         {
 102                 if (substring(s, i, 2) == "\\n")
 103                 {
 104                         callback("\n");
 105                         lleft = l;
 106                         ++i;
 107                 }
 108                 else if (substring(s, i, 1) == "\n")
 109                 {
 110                         callback("\n");
 111                         lleft = l;
 112                 }
 113                 else if (substring(s, i, 1) == " ")
 114                 {
 115                         if (lleft > 0)
 116                         {
 117                                 callback(" ");
 118                                 lleft = lleft - 1;
 119                         }
 120                 }
 121                 else
 122                 {
 123                         for (j = i+1;j < strlen(s);++j)
 124                                 //    ^^ this skips over the first character of a word, which
 125                                 //       is ALWAYS part of the word
 126                                 //       this is safe since if i+1 == strlen(s), i will become
 127                                 //       strlen(s)-1 at the end of this block and the function
 128                                 //       will terminate. A space can't be the first character we
 129                                 //       read here, and neither can a \n be the start, since these
 130                                 //       two cases have been handled above.
 131                         {
 132                                 c = substring(s, j, 1);
 133                                 if (c == " ")
 134                                         break;
 135                                 if (c == "\\")
 136                                         break;
 137                                 if (c == "\n")
 138                                         break;
 139                                 // we need to keep this tempstring alive even if substring is
 140                                 // called repeatedly, so call strcat even though we're not
 141                                 // doing anything
 142                                 callback("");
 143                         }
 144                         wlen = j - i;
 145                         if (lleft < wlen)
 146                         {
 147                                 callback("\n");
 148                                 lleft = l;
 149                         }
 150                         callback(substring(s, i, wlen));
 151                         lleft = lleft - wlen;
 152                         i = j - 1;
 153                 }
 154         }
 155         strunzone(s);
 156 }
 157
 158 void depthfirst(entity start, .entity up, .entity downleft, .entity right, void(entity, entity) funcPre, void(entity, entity) funcPost, entity pass)
 159 {
 160         entity e;
 161         e = start;
 162         funcPre(pass, e);
 163         while (e.(downleft))
 164         {
 165                 e = e.(downleft);
 166                 funcPre(pass, e);
 167         }
 168         funcPost(pass, e);
 169         while(e != start)
 170         {
 171                 if (e.(right))
 172                 {
 173                         e = e.(right);
 174                         funcPre(pass, e);
 175                         while (e.(downleft))
 176                         {
 177                                 e = e.(downleft);
 178                                 funcPre(pass, e);
 179                         }
 180                 }
 181                 else
 182                         e = e.(up);
 183                 funcPost(pass, e);
 184         }
 185 }
 186
 187 string ScoreString(int pFlags, float pValue)
 188 {
 189         string valstr;
 190         float l;
 191
 192         pValue = floor(pValue + 0.5); // round
 193
 194         if((pValue == 0) && (pFlags & (SFL_HIDE_ZERO | SFL_RANK | SFL_TIME)))
 195                 valstr = "";
 196         else if(pFlags & SFL_RANK)
 197         {
 198                 valstr = ftos(pValue);
 199                 l = strlen(valstr);
 200                 if((l >= 2) && (substring(valstr, l - 2, 1) == "1"))
 201                         valstr = strcat(valstr, "th");
 202                 else if(substring(valstr, l - 1, 1) == "1")
 203                         valstr = strcat(valstr, "st");
 204                 else if(substring(valstr, l - 1, 1) == "2")
 205                         valstr = strcat(valstr, "nd");
 206                 else if(substring(valstr, l - 1, 1) == "3")
 207                         valstr = strcat(valstr, "rd");
 208                 else
 209                         valstr = strcat(valstr, "th");
 210         }
 211         else if(pFlags & SFL_TIME)
 212                 valstr = TIME_ENCODED_TOSTRING(pValue);
 213         else
 214                 valstr = ftos(pValue);
 215
 216         return valstr;
 217 }
 218
 219 // compressed vector format:
 220 // like MD3, just even shorter
 221 //   4 bit pitch (16 angles), 0 is -90, 8 is 0, 16 would be 90
 222 //   5 bit yaw (32 angles), 0=0, 8=90, 16=180, 24=270
 223 //   7 bit length (logarithmic encoding), 1/8 .. about 7844
 224 //     length = 2^(length_encoded/8) / 8
 225 // if pitch is 90, yaw does nothing and therefore indicates the sign (yaw is then either 11111 or 11110); 11111 is pointing DOWN
 226 // thus, valid values are from 0000.11110.0000000 to 1111.11111.1111111
 227 // the special value 0 indicates the zero vector
 228
 229 float lengthLogTable[128];
 230
 231 float invertLengthLog(float dist)
 232 {
 233         int l, r, m;
 234
 235         if(dist >= lengthLogTable[127])
 236                 return 127;
 237         if(dist <= lengthLogTable[0])
 238                 return 0;
 239
 240         l = 0;
 241         r = 127;
 242
 243         while(r - l > 1)
 244         {
 245                 m = floor((l + r) / 2);
 246                 if(lengthLogTable[m] < dist)
 247                         l = m;
 248                 else
 249                         r = m;
 250         }
 251
 252         // now: r is >=, l is <
 253         float lerr = (dist - lengthLogTable[l]);
 254         float rerr = (lengthLogTable[r] - dist);
 255         if(lerr < rerr)
 256                 return l;
 257         return r;
 258 }
 259
 260 vector decompressShortVector(int data)
 261 {
 262         vector out;
 263         if(data == 0)
 264                 return '0 0 0';
 265         float p = (data & 0xF000) / 0x1000;
 266         float q = (data & 0x0F80) / 0x80;
 267         int len = (data & 0x007F);
 268
 269         //print("\ndecompress: p ", ftos(p)); print("q ", ftos(q)); print("len ", ftos(len), "\n");
 270
 271         if(p == 0)
 272         {
 273                 out.x = 0;
 274                 out.y = 0;
 275                 if(q == 31)
 276                         out.z = -1;
 277                 else
 278                         out.z = +1;
 279         }
 280         else
 281         {
 282                 q   = .19634954084936207740 * q;
 283                 p = .19634954084936207740 * p - 1.57079632679489661922;
 284                 out.x = cos(q) *  cos(p);
 285                 out.y = sin(q) *  cos(p);
 286                 out.z =          -sin(p);
 287         }
 288
 289         //print("decompressed: ", vtos(out), "\n");
 290
 291         return out * lengthLogTable[len];
 292 }
 293
 294 float compressShortVector(vector vec)
 295 {
 296         vector ang;
 297         float p, y, len;
 298         if(vec == '0 0 0')
 299                 return 0;
 300         //print("compress: ", vtos(vec), "\n");
 301         ang = vectoangles(vec);
 302         ang.x = -ang.x;
 303         if(ang.x < -90)
 304                 ang.x += 360;
 305         if(ang.x < -90 && ang.x > +90)
 306                 error("BOGUS vectoangles");
 307         //print("angles: ", vtos(ang), "\n");
 308
 309         p = floor(0.5 + (ang.x + 90) * 16 / 180) & 15; // -90..90 to 0..14
 310         if(p == 0)
 311         {
 312                 if(vec.z < 0)
 313                         y = 31;
 314                 else
 315                         y = 30;
 316         }
 317         else
 318                 y = floor(0.5 + ang.y * 32 / 360)          & 31; // 0..360 to 0..32
 319         len = invertLengthLog(vlen(vec));
 320
 321         //print("compressed: p ", ftos(p)); print("y ", ftos(y)); print("len ", ftos(len), "\n");
 322
 323         return (p * 0x1000) + (y * 0x80) + len;
 324 }
 325
 326 STATIC_INIT(compressShortVector)
 327 {
 328         float l = 1;
 329         float f = pow(2, 1/8);
 330         int i;
 331         for(i = 0; i < 128; ++i)
 332         {
 333                 lengthLogTable[i] = l;
 334                 l *= f;
 335         }
 336
 337         if(cvar("developer"))
 338         {
 339                 LOG_INFO("Verifying vector compression table...\n");
 340                 for(i = 0x0F00; i < 0xFFFF; ++i)
 341                         if(i != compressShortVector(decompressShortVector(i)))
 342                         {
 343                                 LOG_INFO("BROKEN vector compression: ", ftos(i));
 344                                 LOG_INFO(" -> ", vtos(decompressShortVector(i)));
 345                                 LOG_INFO(" -> ", ftos(compressShortVector(decompressShortVector(i))));
 346                                 LOG_INFO("\n");
 347                                 error("b0rk");
 348                         }
 349                 LOG_INFO("Done.\n");
 350         }
 351 }
 352
 353 #ifdef GAMEQC
 354 float CheckWireframeBox(entity forent, vector v0, vector dvx, vector dvy, vector dvz)
 355 {
 356         traceline(v0, v0 + dvx, true, forent); if(trace_fraction < 1) return 0;
 357         traceline(v0, v0 + dvy, true, forent); if(trace_fraction < 1) return 0;
 358         traceline(v0, v0 + dvz, true, forent); if(trace_fraction < 1) return 0;
 359         traceline(v0 + dvx, v0 + dvx + dvy, true, forent); if(trace_fraction < 1) return 0;
 360         traceline(v0 + dvx, v0 + dvx + dvz, true, forent); if(trace_fraction < 1) return 0;
 361         traceline(v0 + dvy, v0 + dvy + dvx, true, forent); if(trace_fraction < 1) return 0;
 362         traceline(v0 + dvy, v0 + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
 363         traceline(v0 + dvz, v0 + dvz + dvx, true, forent); if(trace_fraction < 1) return 0;
 364         traceline(v0 + dvz, v0 + dvz + dvy, true, forent); if(trace_fraction < 1) return 0;
 365         traceline(v0 + dvx + dvy, v0 + dvx + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
 366         traceline(v0 + dvx + dvz, v0 + dvx + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
 367         traceline(v0 + dvy + dvz, v0 + dvx + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
 368         return 1;
 369 }
 370 #endif
 371
 372 string fixPriorityList(string order, float from, float to, float subtract, float complete)
 373 {
 374         string neworder;
 375         float i, n, w;
 376
 377         n = tokenize_console(order);
 378         neworder = "";
 379         for(i = 0; i < n; ++i)
 380         {
 381                 w = stof(argv(i));
 382                 if(w == floor(w))
 383                 {
 384                         if(w >= from && w <= to)
 385                                 neworder = strcat(neworder, ftos(w), " ");
 386                         else
 387                         {
 388                                 w -= subtract;
 389                                 if(w >= from && w <= to)
 390                                         neworder = strcat(neworder, ftos(w), " ");
 391                         }
 392                 }
 393         }
 394
 395         if(complete)
 396         {
 397                 n = tokenize_console(neworder);
 398                 for(w = to; w >= from; --w)
 399                 {
 400                         int wflags = Weapons_from(w).spawnflags;
 401                         if((wflags & WEP_FLAG_HIDDEN) && (wflags & WEP_FLAG_MUTATORBLOCKED) && !(wflags & WEP_FLAG_NORMAL))
 402                                 continue;
 403                         for(i = 0; i < n; ++i)
 404                                 if(stof(argv(i)) == w)
 405                                         break;
 406                         if(i == n) // not found
 407                                 neworder = strcat(neworder, ftos(w), " ");
 408                 }
 409         }
 410
 411         return substring(neworder, 0, strlen(neworder) - 1);
 412 }
 413
 414 string mapPriorityList(string order, string(string) mapfunc)
 415 {
 416         string neworder;
 417         float i, n;
 418
 419         n = tokenize_console(order);
 420         neworder = "";
 421         for(i = 0; i < n; ++i)
 422                 neworder = strcat(neworder, mapfunc(argv(i)), " ");
 423
 424         return substring(neworder, 0, strlen(neworder) - 1);
 425 }
 426
 427 string swapInPriorityList(string order, float i, float j)
 428 {
 429         string s;
 430         float w, n;
 431
 432         n = tokenize_console(order);
 433
 434         if(i >= 0 && i < n && j >= 0 && j < n && i != j)
 435         {
 436                 s = "";
 437                 for(w = 0; w < n; ++w)
 438                 {
 439                         if(w == i)
 440                                 s = strcat(s, argv(j), " ");
 441                         else if(w == j)
 442                                 s = strcat(s, argv(i), " ");
 443                         else
 444                                 s = strcat(s, argv(w), " ");
 445                 }
 446                 return substring(s, 0, strlen(s) - 1);
 447         }
 448
 449         return order;
 450 }
 451
 452 #ifdef GAMEQC
 453 void get_mi_min_max(float mode)
 454 {
 455         vector mi, ma;
 456
 457         if(mi_shortname)
 458                 strunzone(mi_shortname);
 459         mi_shortname = mapname;
 460         if(!strcasecmp(substring(mi_shortname, 0, 5), "maps/"))
 461                 mi_shortname = substring(mi_shortname, 5, strlen(mi_shortname) - 5);
 462         if(!strcasecmp(substring(mi_shortname, strlen(mi_shortname) - 4, 4), ".bsp"))
 463                 mi_shortname = substring(mi_shortname, 0, strlen(mi_shortname) - 4);
 464         mi_shortname = strzone(mi_shortname);
 465
 466 #ifdef CSQC
 467         mi = world.mins;
 468         ma = world.maxs;
 469 #else
 470         mi = world.absmin;
 471         ma = world.absmax;
 472 #endif
 473
 474         mi_min = mi;
 475         mi_max = ma;
 476         MapInfo_Get_ByName(mi_shortname, 0, NULL);
 477         if(MapInfo_Map_mins.x < MapInfo_Map_maxs.x)
 478         {
 479                 mi_min = MapInfo_Map_mins;
 480                 mi_max = MapInfo_Map_maxs;
 481         }
 482         else
 483         {
 484                 // not specified
 485                 if(mode)
 486                 {
 487                         // be clever
 488                         tracebox('1 0 0' * mi.x,
 489                                          '0 1 0' * mi.y + '0 0 1' * mi.z,
 490                                          '0 1 0' * ma.y + '0 0 1' * ma.z,
 491                                          '1 0 0' * ma.x,
 492                                          MOVE_WORLDONLY,
 493                                          NULL);
 494                         if(!trace_startsolid)
 495                                 mi_min.x = trace_endpos.x;
 496
 497                         tracebox('0 1 0' * mi.y,
 498                                          '1 0 0' * mi.x + '0 0 1' * mi.z,
 499                                          '1 0 0' * ma.x + '0 0 1' * ma.z,
 500                                          '0 1 0' * ma.y,
 501                                          MOVE_WORLDONLY,
 502                                          NULL);
 503                         if(!trace_startsolid)
 504                                 mi_min.y = trace_endpos.y;
 505
 506                         tracebox('0 0 1' * mi.z,
 507                                          '1 0 0' * mi.x + '0 1 0' * mi.y,
 508                                          '1 0 0' * ma.x + '0 1 0' * ma.y,
 509                                          '0 0 1' * ma.z,
 510                                          MOVE_WORLDONLY,
 511                                          NULL);
 512                         if(!trace_startsolid)
 513                                 mi_min.z = trace_endpos.z;
 514
 515                         tracebox('1 0 0' * ma.x,
 516                                          '0 1 0' * mi.y + '0 0 1' * mi.z,
 517                                          '0 1 0' * ma.y + '0 0 1' * ma.z,
 518                                          '1 0 0' * mi.x,
 519                                          MOVE_WORLDONLY,
 520                                          NULL);
 521                         if(!trace_startsolid)
 522                                 mi_max.x = trace_endpos.x;
 523
 524                         tracebox('0 1 0' * ma.y,
 525                                          '1 0 0' * mi.x + '0 0 1' * mi.z,
 526                                          '1 0 0' * ma.x + '0 0 1' * ma.z,
 527                                          '0 1 0' * mi.y,
 528                                          MOVE_WORLDONLY,
 529                                          NULL);
 530                         if(!trace_startsolid)
 531                                 mi_max.y = trace_endpos.y;
 532
 533                         tracebox('0 0 1' * ma.z,
 534                                          '1 0 0' * mi.x + '0 1 0' * mi.y,
 535                                          '1 0 0' * ma.x + '0 1 0' * ma.y,
 536                                          '0 0 1' * mi.z,
 537                                          MOVE_WORLDONLY,
 538                                          NULL);
 539                         if(!trace_startsolid)
 540                                 mi_max.z = trace_endpos.z;
 541                 }
 542         }
 543 }
 544
 545 void get_mi_min_max_texcoords(float mode)
 546 {
 547         vector extend;
 548
 549         get_mi_min_max(mode);
 550
 551         mi_picmin = mi_min;
 552         mi_picmax = mi_max;
 553
 554         // extend mi_picmax to get a square aspect ratio
 555         // center the map in that area
 556         extend = mi_picmax - mi_picmin;
 557         if(extend.y > extend.x)
 558         {
 559                 mi_picmin.x -= (extend.y - extend.x) * 0.5;
 560                 mi_picmax.x += (extend.y - extend.x) * 0.5;
 561         }
 562         else
 563         {
 564                 mi_picmin.y -= (extend.x - extend.y) * 0.5;
 565                 mi_picmax.y += (extend.x - extend.y) * 0.5;
 566         }
 567
 568         // add another some percent
 569         extend = (mi_picmax - mi_picmin) * (1 / 64.0);
 570         mi_picmin -= extend;
 571         mi_picmax += extend;
 572
 573         // calculate the texcoords
 574         mi_pictexcoord0 = mi_pictexcoord1 = mi_pictexcoord2 = mi_pictexcoord3 = '0 0 0';
 575         // first the two corners of the origin
 576         mi_pictexcoord0_x = (mi_min.x - mi_picmin.x) / (mi_picmax.x - mi_picmin.x);
 577         mi_pictexcoord0_y = (mi_min.y - mi_picmin.y) / (mi_picmax.y - mi_picmin.y);
 578         mi_pictexcoord2_x = (mi_max.x - mi_picmin.x) / (mi_picmax.x - mi_picmin.x);
 579         mi_pictexcoord2_y = (mi_max.y - mi_picmin.y) / (mi_picmax.y - mi_picmin.y);
 580         // then the other corners
 581         mi_pictexcoord1_x = mi_pictexcoord0_x;
 582         mi_pictexcoord1_y = mi_pictexcoord2_y;
 583         mi_pictexcoord3_x = mi_pictexcoord2_x;
 584         mi_pictexcoord3_y = mi_pictexcoord0_y;
 585 }
 586 #endif
 587
 588 float cvar_settemp(string tmp_cvar, string tmp_value)
 589 {
 590         float created_saved_value;
 591
 592         created_saved_value = 0;
 593
 594         if (!(tmp_cvar || tmp_value))
 595         {
 596                 LOG_TRACE("Error: Invalid usage of cvar_settemp(string, string); !");
 597                 return 0;
 598         }
 599
 600         if(!cvar_type(tmp_cvar))
 601         {
 602                 LOG_INFOF("Error: cvar %s doesn't exist!\n", tmp_cvar);
 603                 return 0;
 604         }
 605
 606         IL_EACH(g_saved_cvars, it.netname == tmp_cvar,
 607         {
 608                 created_saved_value = -1; // skip creation
 609                 break; // no need to continue
 610         });
 611
 612         if(created_saved_value != -1)
 613         {
 614                 // creating a new entity to keep track of this cvar
 615                 entity e = new_pure(saved_cvar_value);
 616                 IL_PUSH(g_saved_cvars, e);
 617                 e.netname = strzone(tmp_cvar);
 618                 e.message = strzone(cvar_string(tmp_cvar));
 619                 created_saved_value = 1;
 620         }
 621
 622         // update the cvar to the value given
 623         cvar_set(tmp_cvar, tmp_value);
 624
 625         return created_saved_value;
 626 }
 627
 628 int cvar_settemp_restore()
 629 {
 630         int j = 0;
 631         // FIXME this new-style loop fails!
 632 #if 0
 633         FOREACH_ENTITY_CLASS("saved_cvar_value", true,
 634         {
 635                 if(cvar_type(it.netname))
 636                 {
 637                         cvar_set(it.netname, it.message);
 638                         strunzone(it.netname);
 639                         strunzone(it.message);
 640                         delete(it);
 641                         ++j;
 642                 }
 643                 else
 644                         LOG_INFOF("Error: cvar %s doesn't exist anymore! It can still be restored once it's manually recreated.\n", it.netname);
 645         });
 646
 647 #else
 648         entity e = NULL;
 649         while((e = find(e, classname, "saved_cvar_value")))
 650         {
 651                 if(cvar_type(e.netname))
 652                 {
 653                         cvar_set(e.netname, e.message);
 654                         delete(e);
 655                         ++j;
 656                 }
 657                 else
 658                         print(sprintf("Error: cvar %s doesn't exist anymore! It can still be restored once it's manually recreated.\n", e.netname));
 659         }
 660 #endif
 661
 662         return j;
 663 }
 664
 665 bool isCaretEscaped(string theText, float pos)
 666 {
 667         int i = 0;
 668         while(pos - i >= 1 && substring(theText, pos - i - 1, 1) == "^")
 669                 ++i;
 670         return (i & 1);
 671 }
 672
 673 int skipIncompleteTag(string theText, float pos, int len)
 674 {
 675         int i = 0, ch = 0;
 676         int tag_start = -1;
 677
 678         if(substring(theText, pos - 1, 1) == "^")
 679         {
 680                 if(isCaretEscaped(theText, pos - 1) || pos >= len)
 681                         return 0;
 682
 683                 ch = str2chr(theText, pos);
 684                 if(ch >= '0' && ch <= '9')
 685                         return 1; // ^[0-9] color code found
 686                 else if (ch == 'x')
 687                         tag_start = pos - 1; // ^x tag found
 688                 else
 689                         return 0;
 690         }
 691         else
 692         {
 693                 for(i = 2; pos - i >= 0 && i <= 4; ++i)
 694                 {
 695                         if(substring(theText, pos - i, 2) == "^x")
 696                         {
 697                                 tag_start = pos - i; // ^x tag found
 698                                 break;
 699                         }
 700                 }
 701         }
 702
 703         if(tag_start >= 0)
 704         {
 705                 if(tag_start + 5 < len)
 706                 if(IS_HEXDIGIT(substring(theText, tag_start + 2, 1)))
 707                 if(IS_HEXDIGIT(substring(theText, tag_start + 3, 1)))
 708                 if(IS_HEXDIGIT(substring(theText, tag_start + 4, 1)))
 709                 {
 710                         if(!isCaretEscaped(theText, tag_start))
 711                                 return 5 - (pos - tag_start); // ^xRGB color code found
 712                 }
 713         }
 714         return 0;
 715 }
 716
 717 float textLengthUpToWidth(string theText, float maxWidth, vector theSize, textLengthUpToWidth_widthFunction_t w)
 718 {
 719         // STOP.
 720         // The following function is SLOW.
 721         // For your safety and for the protection of those around you...
 722         // DO NOT CALL THIS AT HOME.
 723         // No really, don't.
 724         if(w(theText, theSize) <= maxWidth)
 725                 return strlen(theText); // yeah!
 726
 727         bool colors = (w("^7", theSize) == 0);
 728
 729         // binary search for right place to cut string
 730         int len, left, right, middle;
 731         left = 0;
 732         right = len = strlen(theText);
 733         int ofs = 0;
 734         do
 735         {
 736                 middle = floor((left + right) / 2);
 737                 if(colors)
 738                         ofs = skipIncompleteTag(theText, middle, len);
 739                 if(w(substring(theText, 0, middle + ofs), theSize) <= maxWidth)
 740                         left = middle + ofs;
 741                 else
 742                         right = middle;
 743         }
 744         while(left < right - 1);
 745
 746         return left;
 747 }
 748
 749 float textLengthUpToLength(string theText, float maxWidth, textLengthUpToLength_lenFunction_t w)
 750 {
 751         // STOP.
 752         // The following function is SLOW.
 753         // For your safety and for the protection of those around you...
 754         // DO NOT CALL THIS AT HOME.
 755         // No really, don't.
 756         if(w(theText) <= maxWidth)
 757                 return strlen(theText); // yeah!
 758
 759         bool colors = (w("^7") == 0);
 760
 761         // binary search for right place to cut string
 762         int len, left, right, middle;
 763         left = 0;
 764         right = len = strlen(theText);
 765         int ofs = 0;
 766         do
 767         {
 768                 middle = floor((left + right) / 2);
 769                 if(colors)
 770                         ofs = skipIncompleteTag(theText, middle, len);
 771                 if(w(substring(theText, 0, middle + ofs)) <= maxWidth)
 772                         left = middle + ofs;
 773                 else
 774                         right = middle;
 775         }
 776         while(left < right - 1);
 777
 778         return left;
 779 }
 780
 781 string find_last_color_code(string s)
 782 {
 783         int start = strstrofs(s, "^", 0);
 784         if (start == -1) // no caret found
 785                 return "";
 786         int len = strlen(s)-1;
 787         int i;
 788         for(i = len; i >= start; --i)
 789         {
 790                 if(substring(s, i, 1) != "^")
 791                         continue;
 792
 793                 int carets = 1;
 794                 while (i-carets >= start && substring(s, i-carets, 1) == "^")
 795                         ++carets;
 796
 797                 // check if carets aren't all escaped
 798                 if (carets & 1)
 799                 {
 800                         if(i+1 <= len)
 801                         if(IS_DIGIT(substring(s, i+1, 1)))
 802                                 return substring(s, i, 2);
 803
 804                         if(i+4 <= len)
 805                         if(substring(s, i+1, 1) == "x")
 806                         if(IS_HEXDIGIT(substring(s, i + 2, 1)))
 807                         if(IS_HEXDIGIT(substring(s, i + 3, 1)))
 808                         if(IS_HEXDIGIT(substring(s, i + 4, 1)))
 809                                 return substring(s, i, 5);
 810                 }
 811                 i -= carets; // this also skips one char before the carets
 812         }
 813
 814         return "";
 815 }
 816
 817 string getWrappedLine(float w, vector theFontSize, textLengthUpToWidth_widthFunction_t tw)
 818 {
 819         float cantake;
 820         float take;
 821         string s;
 822
 823         s = getWrappedLine_remaining;
 824
 825         if(w <= 0)
 826         {
 827                 getWrappedLine_remaining = string_null;
 828                 return s; // the line has no size ANYWAY, nothing would be displayed.
 829         }
 830
 831         cantake = textLengthUpToWidth(s, w, theFontSize, tw);
 832         if(cantake > 0 && cantake < strlen(s))
 833         {
 834                 take = cantake - 1;
 835                 while(take > 0 && substring(s, take, 1) != " ")
 836                         --take;
 837                 if(take == 0)
 838                 {
 839                         getWrappedLine_remaining = substring(s, cantake, strlen(s) - cantake);
 840                         if(getWrappedLine_remaining == "")
 841                                 getWrappedLine_remaining = string_null;
 842                         else if (tw("^7", theFontSize) == 0)
 843                                 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, cantake)), getWrappedLine_remaining);
 844                         return substring(s, 0, cantake);
 845                 }
 846                 else
 847                 {
 848                         getWrappedLine_remaining = substring(s, take + 1, strlen(s) - take);
 849                         if(getWrappedLine_remaining == "")
 850                                 getWrappedLine_remaining = string_null;
 851                         else if (tw("^7", theFontSize) == 0)
 852                                 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, take)), getWrappedLine_remaining);
 853                         return substring(s, 0, take);
 854                 }
 855         }
 856         else
 857         {
 858                 getWrappedLine_remaining = string_null;
 859                 return s;
 860         }
 861 }
 862
 863 string getWrappedLineLen(float w, textLengthUpToLength_lenFunction_t tw)
 864 {
 865         float cantake;
 866         float take;
 867         string s;
 868
 869         s = getWrappedLine_remaining;
 870
 871         if(w <= 0)
 872         {
 873                 getWrappedLine_remaining = string_null;
 874                 return s; // the line has no size ANYWAY, nothing would be displayed.
 875         }
 876
 877         cantake = textLengthUpToLength(s, w, tw);
 878         if(cantake > 0 && cantake < strlen(s))
 879         {
 880                 take = cantake - 1;
 881                 while(take > 0 && substring(s, take, 1) != " ")
 882                         --take;
 883                 if(take == 0)
 884                 {
 885                         getWrappedLine_remaining = substring(s, cantake, strlen(s) - cantake);
 886                         if(getWrappedLine_remaining == "")
 887                                 getWrappedLine_remaining = string_null;
 888                         else if (tw("^7") == 0)
 889                                 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, cantake)), getWrappedLine_remaining);
 890                         return substring(s, 0, cantake);
 891                 }
 892                 else
 893                 {
 894                         getWrappedLine_remaining = substring(s, take + 1, strlen(s) - take);
 895                         if(getWrappedLine_remaining == "")
 896                                 getWrappedLine_remaining = string_null;
 897                         else if (tw("^7") == 0)
 898                                 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, take)), getWrappedLine_remaining);
 899                         return substring(s, 0, take);
 900                 }
 901         }
 902         else
 903         {
 904                 getWrappedLine_remaining = string_null;
 905                 return s;
 906         }
 907 }
 908
 909 string textShortenToWidth(string theText, float maxWidth, vector theFontSize, textLengthUpToWidth_widthFunction_t tw)
 910 {
 911         if(tw(theText, theFontSize) <= maxWidth)
 912                 return theText;
 913         else
 914                 return strcat(substring(theText, 0, textLengthUpToWidth(theText, maxWidth - tw("...", theFontSize), theFontSize, tw)), "...");
 915 }
 916
 917 string textShortenToLength(string theText, float maxWidth, textLengthUpToLength_lenFunction_t tw)
 918 {
 919         if(tw(theText) <= maxWidth)
 920                 return theText;
 921         else
 922                 return strcat(substring(theText, 0, textLengthUpToLength(theText, maxWidth - tw("..."), tw)), "...");
 923 }
 924
 925 float isGametypeInFilter(Gametype gt, float tp, float ts, string pattern)
 926 {
 927         string subpattern, subpattern2, subpattern3, subpattern4;
 928         subpattern = strcat(",", MapInfo_Type_ToString(gt), ",");
 929         if(tp)
 930                 subpattern2 = ",teams,";
 931         else
 932                 subpattern2 = ",noteams,";
 933         if(ts)
 934                 subpattern3 = ",teamspawns,";
 935         else
 936                 subpattern3 = ",noteamspawns,";
 937         if(gt == MAPINFO_TYPE_RACE || gt == MAPINFO_TYPE_CTS)
 938                 subpattern4 = ",race,";
 939         else
 940                 subpattern4 = string_null;
 941
 942         if(substring(pattern, 0, 1) == "-")
 943         {
 944                 pattern = substring(pattern, 1, strlen(pattern) - 1);
 945                 if(strstrofs(strcat(",", pattern, ","), subpattern, 0) >= 0)
 946                         return 0;
 947                 if(strstrofs(strcat(",", pattern, ","), subpattern2, 0) >= 0)
 948                         return 0;
 949                 if(strstrofs(strcat(",", pattern, ","), subpattern3, 0) >= 0)
 950                         return 0;
 951                 if(subpattern4 && strstrofs(strcat(",", pattern, ","), subpattern4, 0) >= 0)
 952                         return 0;
 953         }
 954         else
 955         {
 956                 if(substring(pattern, 0, 1) == "+")
 957                         pattern = substring(pattern, 1, strlen(pattern) - 1);
 958                 if(strstrofs(strcat(",", pattern, ","), subpattern, 0) < 0)
 959                 if(strstrofs(strcat(",", pattern, ","), subpattern2, 0) < 0)
 960                 if(strstrofs(strcat(",", pattern, ","), subpattern3, 0) < 0)
 961                 {
 962                         if (!subpattern4)
 963                                 return 0;
 964                         if(strstrofs(strcat(",", pattern, ","), subpattern4, 0) < 0)
 965                                 return 0;
 966                 }
 967         }
 968         return 1;
 969 }
 970
 971 vector solve_shotdirection(vector myorg, vector myvel, vector eorg, vector evel, float spd, float newton_style)
 972 {
 973         vector ret;
 974
 975         // make origin and speed relative
 976         eorg -= myorg;
 977         if(newton_style)
 978                 evel -= myvel;
 979
 980         // now solve for ret, ret normalized:
 981         //   eorg + t * evel == t * ret * spd
 982         // or, rather, solve for t:
 983         //   |eorg + t * evel| == t * spd
 984         //   eorg^2 + t^2 * evel^2 + 2 * t * (eorg * evel) == t^2 * spd^2
 985         //   t^2 * (evel^2 - spd^2) + t * (2 * (eorg * evel)) + eorg^2 == 0
 986         vector solution = solve_quadratic(evel * evel - spd * spd, 2 * (eorg * evel), eorg * eorg);
 987         // p = 2 * (eorg * evel) / (evel * evel - spd * spd)
 988         // q = (eorg * eorg) / (evel * evel - spd * spd)
 989         if(!solution.z) // no real solution
 990         {
 991                 // happens if D < 0
 992                 // (eorg * evel)^2 < (evel^2 - spd^2) * eorg^2
 993                 // (eorg * evel)^2 / eorg^2 < evel^2 - spd^2
 994                 // spd^2 < ((evel^2 * eorg^2) - (eorg * evel)^2) / eorg^2
 995                 // spd^2 < evel^2 * (1 - cos^2 angle(evel, eorg))
 996                 // spd^2 < evel^2 * sin^2 angle(evel, eorg)
 997                 // spd < |evel| * sin angle(evel, eorg)
 998                 return '0 0 0';
 999         }
1000         else if(solution.x > 0)
1001         {
1002                 // both solutions > 0: take the smaller one
1003                 // happens if p < 0 and q > 0
1004                 ret = normalize(eorg + solution.x * evel);
1005         }
1006         else if(solution.y > 0)
1007         {
1008                 // one solution > 0: take the larger one
1009                 // happens if q < 0 or q == 0 and p < 0
1010                 ret = normalize(eorg + solution.y * evel);
1011         }
1012         else
1013         {
1014                 // no solution > 0: reject
1015                 // happens if p > 0 and q >= 0
1016                 // 2 * (eorg * evel) / (evel * evel - spd * spd) > 0
1017                 // (eorg * eorg) / (evel * evel - spd * spd) >= 0
1018                 //
1019                 // |evel| >= spd
1020                 // eorg * evel > 0
1021                 //
1022                 // "Enemy is moving away from me at more than spd"
1023                 return '0 0 0';
1024         }
1025
1026         // NOTE: we always got a solution if spd > |evel|
1027
1028         if(newton_style == 2)
1029                 ret = normalize(ret * spd + myvel);
1030
1031         return ret;
1032 }
1033
1034 vector get_shotvelocity(vector myvel, vector mydir, float spd, float newton_style, float mi, float ma)
1035 {
1036         if(!newton_style)
1037                 return spd * mydir;
1038
1039         if(newton_style == 2)
1040         {
1041                 // true Newtonian projectiles with automatic aim adjustment
1042                 //
1043                 // solve: |outspeed * mydir - myvel| = spd
1044                 // outspeed^2 - 2 * outspeed * (mydir * myvel) + myvel^2 - spd^2 = 0
1045                 // outspeed = (mydir * myvel) +- sqrt((mydir * myvel)^2 - myvel^2 + spd^2)
1046                 // PLUS SIGN!
1047                 // not defined?
1048                 // then...
1049                 // myvel^2 - (mydir * myvel)^2 > spd^2
1050                 // velocity without mydir component > spd
1051                 // fire at smallest possible spd that works?
1052                 // |(mydir * myvel) * myvel - myvel| = spd
1053
1054                 vector solution = solve_quadratic(1, -2 * (mydir * myvel), myvel * myvel - spd * spd);
1055
1056                 float outspeed;
1057                 if(solution.z)
1058                         outspeed = solution.y; // the larger one
1059                 else
1060                 {
1061                         //outspeed = 0; // slowest possible shot
1062                         outspeed = solution.x; // the real part (that is, the average!)
1063                         //dprint("impossible shot, adjusting\n");
1064                 }
1065
1066                 outspeed = bound(spd * mi, outspeed, spd * ma);
1067                 return mydir * outspeed;
1068         }
1069
1070         // real Newtonian
1071         return myvel + spd * mydir;
1072 }
1073
1074 float compressShotOrigin(vector v)
1075 {
1076         float rx = rint(v.x * 2);
1077         float ry = rint(v.y * 4) + 128;
1078         float rz = rint(v.z * 4) + 128;
1079         if(rx > 255 || rx < 0)
1080         {
1081                 LOG_DEBUG("shot origin ", vtos(v), " x out of bounds\n");
1082                 rx = bound(0, rx, 255);
1083         }
1084         if(ry > 255 || ry < 0)
1085         {
1086                 LOG_DEBUG("shot origin ", vtos(v), " y out of bounds\n");
1087                 ry = bound(0, ry, 255);
1088         }
1089         if(rz > 255 || rz < 0)
1090         {
1091                 LOG_DEBUG("shot origin ", vtos(v), " z out of bounds\n");
1092                 rz = bound(0, rz, 255);
1093         }
1094         return rx * 0x10000 + ry * 0x100 + rz;
1095 }
1096 vector decompressShotOrigin(int f)
1097 {
1098         vector v;
1099         v.x = ((f & 0xFF0000) / 0x10000) / 2;
1100         v.y = ((f & 0xFF00) / 0x100 - 128) / 4;
1101         v.z = ((f & 0xFF) - 128) / 4;
1102         return v;
1103 }
1104
1105 #ifdef GAMEQC
1106 vector healtharmor_maxdamage(float h, float a, float armorblock, int deathtype)
1107 {
1108         // NOTE: we'll always choose the SMALLER value...
1109         float healthdamage, armordamage, armorideal;
1110         if (DEATH_IS(deathtype, DEATH_DROWN))  // Why should armor help here...
1111                 armorblock = 0;
1112         vector v;
1113         healthdamage = (h - 1) / (1 - armorblock); // damage we can take if we could use more health
1114         armordamage = a + (h - 1); // damage we can take if we could use more armor
1115         armorideal = healthdamage * armorblock;
1116         v.y = armorideal;
1117         if(armordamage < healthdamage)
1118         {
1119                 v.x = armordamage;
1120                 v.z = 1;
1121         }
1122         else
1123         {
1124                 v.x = healthdamage;
1125                 v.z = 0;
1126         }
1127         return v;
1128 }
1129
1130 vector healtharmor_applydamage(float a, float armorblock, int deathtype, float damage)
1131 {
1132         vector v;
1133         if (DEATH_IS(deathtype, DEATH_DROWN))  // Why should armor help here...
1134                 armorblock = 0;
1135         v.y = bound(0, damage * armorblock, a); // save
1136         v.x = bound(0, damage - v.y, damage); // take
1137         v.z = 0;
1138         return v;
1139 }
1140 #endif
1141
1142 string getcurrentmod()
1143 {
1144         float n;
1145         string m;
1146         m = cvar_string("fs_gamedir");
1147         n = tokenize_console(m);
1148         if(n == 0)
1149                 return "data";
1150         else
1151                 return argv(n - 1);
1152 }
1153
1154 float matchacl(string acl, string str)
1155 {
1156         string t, s;
1157         float r, d;
1158         r = 0;
1159         while(acl)
1160         {
1161                 t = car(acl); acl = cdr(acl);
1162
1163                 d = 1;
1164                 if(substring(t, 0, 1) == "-")
1165                 {
1166                         d = -1;
1167                         t = substring(t, 1, strlen(t) - 1);
1168                 }
1169                 else if(substring(t, 0, 1) == "+")
1170                         t = substring(t, 1, strlen(t) - 1);
1171
1172                 if(substring(t, -1, 1) == "*")
1173                 {
1174                         t = substring(t, 0, strlen(t) - 1);
1175                         s = substring(str, 0, strlen(t));
1176                 }
1177                 else
1178                         s = str;
1179
1180                 if(s == t)
1181                 {
1182                         r = d;
1183                 }
1184         }
1185         return r;
1186 }
1187
1188 string get_model_datafilename(string m, float sk, string fil)
1189 {
1190         if(m)
1191                 m = strcat(m, "_");
1192         else
1193                 m = "models/player/*_";
1194         if(sk >= 0)
1195                 m = strcat(m, ftos(sk));
1196         else
1197                 m = strcat(m, "*");
1198         return strcat(m, ".", fil);
1199 }
1200
1201 float get_model_parameters(string m, float sk)
1202 {
1203         get_model_parameters_modelname = string_null;
1204         get_model_parameters_modelskin = -1;
1205         get_model_parameters_name = string_null;
1206         get_model_parameters_species = -1;
1207         get_model_parameters_sex = string_null;
1208         get_model_parameters_weight = -1;
1209         get_model_parameters_age = -1;
1210         get_model_parameters_desc = string_null;
1211         get_model_parameters_bone_upperbody = string_null;
1212         get_model_parameters_bone_weapon = string_null;
1213         for(int i = 0; i < MAX_AIM_BONES; ++i)
1214         {
1215                 get_model_parameters_bone_aim[i] = string_null;
1216                 get_model_parameters_bone_aimweight[i] = 0;
1217         }
1218         get_model_parameters_fixbone = 0;
1219         get_model_parameters_hidden = false;
1220
1221 #ifdef GAMEQC
1222         MUTATOR_CALLHOOK(ClearModelParams);
1223 #endif
1224
1225         if (!m)
1226                 return 1;
1227
1228         if(substring(m, -9, 5) == "_lod1" || substring(m, -9, 5) == "_lod2")
1229                 m = strcat(substring(m, 0, -10), substring(m, -4, -1));
1230
1231         if(sk < 0)
1232         {
1233                 if(substring(m, -4, -1) != ".txt")
1234                         return 0;
1235                 if(substring(m, -6, 1) != "_")
1236                         return 0;
1237                 sk = stof(substring(m, -5, 1));
1238                 m = substring(m, 0, -7);
1239         }
1240
1241         string fn = get_model_datafilename(m, sk, "txt");
1242         int fh = fopen(fn, FILE_READ);
1243         if(fh < 0)
1244         {
1245                 sk = 0;
1246                 fn = get_model_datafilename(m, sk, "txt");
1247                 fh = fopen(fn, FILE_READ);
1248                 if(fh < 0)
1249                         return 0;
1250         }
1251
1252         get_model_parameters_modelname = m;
1253         get_model_parameters_modelskin = sk;
1254         string s, c;
1255         while((s = fgets(fh)))
1256         {
1257                 if(s == "")
1258                         break; // next lines will be description
1259                 c = car(s);
1260                 s = cdr(s);
1261                 if(c == "name")
1262                         get_model_parameters_name = s;
1263                 if(c == "species")
1264                         switch(s)
1265                         {
1266                                 case "human":       get_model_parameters_species = SPECIES_HUMAN;       break;
1267                                 case "alien":       get_model_parameters_species = SPECIES_ALIEN;       break;
1268                                 case "robot_shiny": get_model_parameters_species = SPECIES_ROBOT_SHINY; break;
1269                                 case "robot_rusty": get_model_parameters_species = SPECIES_ROBOT_RUSTY; break;
1270                                 case "robot_solid": get_model_parameters_species = SPECIES_ROBOT_SOLID; break;
1271                                 case "animal":      get_model_parameters_species = SPECIES_ANIMAL;      break;
1272                                 case "reserved":    get_model_parameters_species = SPECIES_RESERVED;    break;
1273                         }
1274                 if(c == "sex")
1275                         get_model_parameters_sex = s;
1276                 if(c == "weight")
1277                         get_model_parameters_weight = stof(s);
1278                 if(c == "age")
1279                         get_model_parameters_age = stof(s);
1280                 if(c == "description")
1281                         get_model_parameters_description = s;
1282                 if(c == "bone_upperbody")
1283                         get_model_parameters_bone_upperbody = s;
1284                 if(c == "bone_weapon")
1285                         get_model_parameters_bone_weapon = s;
1286         #ifdef GAMEQC
1287                 MUTATOR_CALLHOOK(GetModelParams, c, s);
1288         #endif
1289                 for(int i = 0; i < MAX_AIM_BONES; ++i)
1290                         if(c == strcat("bone_aim", ftos(i)))
1291                         {
1292                                 get_model_parameters_bone_aimweight[i] = stof(car(s));
1293                                 get_model_parameters_bone_aim[i] = cdr(s);
1294                         }
1295                 if(c == "fixbone")
1296                         get_model_parameters_fixbone = stof(s);
1297                 if(c == "hidden")
1298                         get_model_parameters_hidden = stob(s);
1299         }
1300
1301         while((s = fgets(fh)))
1302         {
1303                 if(get_model_parameters_desc)
1304                         get_model_parameters_desc = strcat(get_model_parameters_desc, "\n");
1305                 if(s != "")
1306                         get_model_parameters_desc = strcat(get_model_parameters_desc, s);
1307         }
1308
1309         fclose(fh);
1310
1311         return 1;
1312 }
1313
1314 // x-encoding (encoding as zero length invisible string)
1315 const string XENCODE_2  = "xX";
1316 const string XENCODE_22 = "0123456789abcdefABCDEF";
1317 string xencode(int f)
1318 {
1319         float a, b, c, d;
1320         d = f % 22; f = floor(f / 22);
1321         c = f % 22; f = floor(f / 22);
1322         b = f % 22; f = floor(f / 22);
1323         a = f %  2; // f = floor(f /  2);
1324         return strcat(
1325                 "^",
1326                 substring(XENCODE_2,  a, 1),
1327                 substring(XENCODE_22, b, 1),
1328                 substring(XENCODE_22, c, 1),
1329                 substring(XENCODE_22, d, 1)
1330         );
1331 }
1332 float xdecode(string s)
1333 {
1334         float a, b, c, d;
1335         if(substring(s, 0, 1) != "^")
1336                 return -1;
1337         if(strlen(s) < 5)
1338                 return -1;
1339         a = strstrofs(XENCODE_2,  substring(s, 1, 1), 0);
1340         b = strstrofs(XENCODE_22, substring(s, 2, 1), 0);
1341         c = strstrofs(XENCODE_22, substring(s, 3, 1), 0);
1342         d = strstrofs(XENCODE_22, substring(s, 4, 1), 0);
1343         if(a < 0 || b < 0 || c < 0 || d < 0)
1344                 return -1;
1345         return ((a * 22 + b) * 22 + c) * 22 + d;
1346 }
1347
1348 /*
1349 string strlimitedlen(string input, string truncation, float strip_colors, float limit)
1350 {
1351         if(strlen((strip_colors ? strdecolorize(input) : input)) <= limit)
1352                 return input;
1353         else
1354                 return strcat(substring(input, 0, (strlen(input) - strlen(truncation))), truncation);
1355 }*/
1356
1357 float shutdown_running;
1358 #ifdef SVQC
1359 void SV_Shutdown()
1360 #endif
1361 #ifdef CSQC
1362 void CSQC_Shutdown()
1363 #endif
1364 #ifdef MENUQC
1365 void m_shutdown()
1366 #endif
1367 {
1368         if(shutdown_running)
1369         {
1370                 LOG_INFO("Recursive shutdown detected! Only restoring cvars...\n");
1371         }
1372         else
1373         {
1374                 shutdown_running = 1;
1375                 Shutdown();
1376                 shutdownhooks();
1377         }
1378         cvar_settemp_restore(); // this must be done LAST, but in any case
1379 }
1380
1381 #ifdef GAMEQC
1382 .float skeleton_bones_index;
1383 void Skeleton_SetBones(entity e)
1384 {
1385         // set skeleton_bones to the total number of bones on the model
1386         if(e.skeleton_bones_index == e.modelindex)
1387                 return; // same model, nothing to update
1388
1389         float skelindex;
1390         skelindex = skel_create(e.modelindex);
1391         e.skeleton_bones = skel_get_numbones(skelindex);
1392         skel_delete(skelindex);
1393         e.skeleton_bones_index = e.modelindex;
1394 }
1395 #endif
1396
1397 string to_execute_next_frame;
1398 void execute_next_frame()
1399 {
1400         if(to_execute_next_frame)
1401         {
1402                 localcmd("\n", to_execute_next_frame, "\n");
1403                 strunzone(to_execute_next_frame);
1404                 to_execute_next_frame = string_null;
1405         }
1406 }
1407 void queue_to_execute_next_frame(string s)
1408 {
1409         if(to_execute_next_frame)
1410         {
1411                 s = strcat(s, "\n", to_execute_next_frame);
1412                 strunzone(to_execute_next_frame);
1413         }
1414         to_execute_next_frame = strzone(s);
1415 }
1416
1417 .float FindConnectedComponent_processing;
1418 void FindConnectedComponent(entity e, .entity fld, findNextEntityNearFunction_t nxt, isConnectedFunction_t iscon, entity pass)
1419 {
1420         entity queue_start, queue_end;
1421
1422         // we build a queue of to-be-processed entities.
1423         // queue_start is the next entity to be checked for neighbors
1424         // queue_end is the last entity added
1425
1426         if(e.FindConnectedComponent_processing)
1427                 error("recursion or broken cleanup");
1428
1429         // start with a 1-element queue
1430         queue_start = queue_end = e;
1431         queue_end.(fld) = NULL;
1432         queue_end.FindConnectedComponent_processing = 1;
1433
1434         // for each queued item:
1435         for (; queue_start; queue_start = queue_start.(fld))
1436         {
1437                 // find all neighbors of queue_start
1438                 entity t;
1439                 for(t = NULL; (t = nxt(t, queue_start, pass)); )
1440                 {
1441                         if(t.FindConnectedComponent_processing)
1442                                 continue;
1443                         if(iscon(t, queue_start, pass))
1444                         {
1445                                 // it is connected? ADD IT. It will look for neighbors soon too.
1446                                 queue_end.(fld) = t;
1447                                 queue_end = t;
1448                                 queue_end.(fld) = NULL;
1449                                 queue_end.FindConnectedComponent_processing = 1;
1450                         }
1451                 }
1452         }
1453
1454         // unmark
1455         for (queue_start = e; queue_start; queue_start = queue_start.(fld))
1456                 queue_start.FindConnectedComponent_processing = 0;
1457 }
1458
1459 #ifdef GAMEQC
1460 vector animfixfps(entity e, vector a, vector b)
1461 {
1462         // multi-frame anim: keep as-is
1463         if(a.y == 1)
1464         {
1465                 float dur = frameduration(e.modelindex, a.x);
1466                 if (dur <= 0 && b.y)
1467                 {
1468                         a = b;
1469                         dur = frameduration(e.modelindex, a.x);
1470                 }
1471                 if (dur > 0)
1472                         a.z = 1.0 / dur;
1473         }
1474         return a;
1475 }
1476 #endif
1477
1478 #ifdef GAMEQC
1479 Notification Announcer_PickNumber(int type, int num)
1480 {
1481     return = NULL;
1482         switch (type)
1483         {
1484                 case CNT_GAMESTART:
1485                 {
1486                         switch(num)
1487                         {
1488                                 case 10: return ANNCE_NUM_GAMESTART_10;
1489                                 case 9:  return ANNCE_NUM_GAMESTART_9;
1490                                 case 8:  return ANNCE_NUM_GAMESTART_8;
1491                                 case 7:  return ANNCE_NUM_GAMESTART_7;
1492                                 case 6:  return ANNCE_NUM_GAMESTART_6;
1493                                 case 5:  return ANNCE_NUM_GAMESTART_5;
1494                                 case 4:  return ANNCE_NUM_GAMESTART_4;
1495                                 case 3:  return ANNCE_NUM_GAMESTART_3;
1496                                 case 2:  return ANNCE_NUM_GAMESTART_2;
1497                                 case 1:  return ANNCE_NUM_GAMESTART_1;
1498                         }
1499                         break;
1500                 }
1501                 case CNT_IDLE:
1502                 {
1503                         switch(num)
1504                         {
1505                                 case 10: return ANNCE_NUM_IDLE_10;
1506                                 case 9:  return ANNCE_NUM_IDLE_9;
1507                                 case 8:  return ANNCE_NUM_IDLE_8;
1508                                 case 7:  return ANNCE_NUM_IDLE_7;
1509                                 case 6:  return ANNCE_NUM_IDLE_6;
1510                                 case 5:  return ANNCE_NUM_IDLE_5;
1511                                 case 4:  return ANNCE_NUM_IDLE_4;
1512                                 case 3:  return ANNCE_NUM_IDLE_3;
1513                                 case 2:  return ANNCE_NUM_IDLE_2;
1514                                 case 1:  return ANNCE_NUM_IDLE_1;
1515                         }
1516                         break;
1517                 }
1518                 case CNT_KILL:
1519                 {
1520                         switch(num)
1521                         {
1522                                 case 10: return ANNCE_NUM_KILL_10;
1523                                 case 9:  return ANNCE_NUM_KILL_9;
1524                                 case 8:  return ANNCE_NUM_KILL_8;
1525                                 case 7:  return ANNCE_NUM_KILL_7;
1526                                 case 6:  return ANNCE_NUM_KILL_6;
1527                                 case 5:  return ANNCE_NUM_KILL_5;
1528                                 case 4:  return ANNCE_NUM_KILL_4;
1529                                 case 3:  return ANNCE_NUM_KILL_3;
1530                                 case 2:  return ANNCE_NUM_KILL_2;
1531                                 case 1:  return ANNCE_NUM_KILL_1;
1532                         }
1533                         break;
1534                 }
1535                 case CNT_RESPAWN:
1536                 {
1537                         switch(num)
1538                         {
1539                                 case 10: return ANNCE_NUM_RESPAWN_10;
1540                                 case 9:  return ANNCE_NUM_RESPAWN_9;
1541                                 case 8:  return ANNCE_NUM_RESPAWN_8;
1542                                 case 7:  return ANNCE_NUM_RESPAWN_7;
1543                                 case 6:  return ANNCE_NUM_RESPAWN_6;
1544                                 case 5:  return ANNCE_NUM_RESPAWN_5;
1545                                 case 4:  return ANNCE_NUM_RESPAWN_4;
1546                                 case 3:  return ANNCE_NUM_RESPAWN_3;
1547                                 case 2:  return ANNCE_NUM_RESPAWN_2;
1548                                 case 1:  return ANNCE_NUM_RESPAWN_1;
1549                         }
1550                         break;
1551                 }
1552                 case CNT_ROUNDSTART:
1553                 {
1554                         switch(num)
1555                         {
1556                                 case 10: return ANNCE_NUM_ROUNDSTART_10;
1557                                 case 9:  return ANNCE_NUM_ROUNDSTART_9;
1558                                 case 8:  return ANNCE_NUM_ROUNDSTART_8;
1559                                 case 7:  return ANNCE_NUM_ROUNDSTART_7;
1560                                 case 6:  return ANNCE_NUM_ROUNDSTART_6;
1561                                 case 5:  return ANNCE_NUM_ROUNDSTART_5;
1562                                 case 4:  return ANNCE_NUM_ROUNDSTART_4;
1563                                 case 3:  return ANNCE_NUM_ROUNDSTART_3;
1564                                 case 2:  return ANNCE_NUM_ROUNDSTART_2;
1565                                 case 1:  return ANNCE_NUM_ROUNDSTART_1;
1566                         }
1567                         break;
1568                 }
1569                 default:
1570                 {
1571                         switch(num)
1572                         {
1573                                 case 10: return ANNCE_NUM_10;
1574                                 case 9:  return ANNCE_NUM_9;
1575                                 case 8:  return ANNCE_NUM_8;
1576                                 case 7:  return ANNCE_NUM_7;
1577                                 case 6:  return ANNCE_NUM_6;
1578                                 case 5:  return ANNCE_NUM_5;
1579                                 case 4:  return ANNCE_NUM_4;
1580                                 case 3:  return ANNCE_NUM_3;
1581                                 case 2:  return ANNCE_NUM_2;
1582                                 case 1:  return ANNCE_NUM_1;
1583                         }
1584                         break;
1585                 }
1586         }
1587 }
1588 #endif
1589
1590 #ifdef GAMEQC
1591 int Mod_Q1BSP_SuperContentsFromNativeContents(int nativecontents)
1592 {
1593         switch(nativecontents)
1594         {
1595                 case CONTENT_EMPTY:
1596                         return 0;
1597                 case CONTENT_SOLID:
1598                         return DPCONTENTS_SOLID | DPCONTENTS_OPAQUE;
1599                 case CONTENT_WATER:
1600                         return DPCONTENTS_WATER;
1601                 case CONTENT_SLIME:
1602                         return DPCONTENTS_SLIME;
1603                 case CONTENT_LAVA:
1604                         return DPCONTENTS_LAVA | DPCONTENTS_NODROP;
1605                 case CONTENT_SKY:
1606                         return DPCONTENTS_SKY | DPCONTENTS_NODROP | DPCONTENTS_OPAQUE; // to match behaviour of Q3 maps, let sky count as opaque
1607         }
1608         return 0;
1609 }
1610
1611 int Mod_Q1BSP_NativeContentsFromSuperContents(int supercontents)
1612 {
1613         if(supercontents & (DPCONTENTS_SOLID | DPCONTENTS_BODY))
1614                 return CONTENT_SOLID;
1615         if(supercontents & DPCONTENTS_SKY)
1616                 return CONTENT_SKY;
1617         if(supercontents & DPCONTENTS_LAVA)
1618                 return CONTENT_LAVA;
1619         if(supercontents & DPCONTENTS_SLIME)
1620                 return CONTENT_SLIME;
1621         if(supercontents & DPCONTENTS_WATER)
1622                 return CONTENT_WATER;
1623         return CONTENT_EMPTY;
1624 }
1625 #endif