qcsrc/server/bot/default/waypoints.qc

   1 #include "waypoints.qh"
   2
   3 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
   4 // them back to it as well
   5 // (suitable for spawnfunc_waypoint editor)
   6 entity waypoint_spawn(vector m1, vector m2, float f)
   7 {
   8         entity w;
   9         w = find(world, classname, "waypoint");
  10
  11         if (!(f & WAYPOINTFLAG_PERSONAL))
  12         while (w)
  13         {
  14                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
  15                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
  16                         return w;
  17                 w = find(w, classname, "waypoint");
  18         }
  19
  20         w = spawn();
  21         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
  22         w.classname = "waypoint";
  23         w.wpflags = f;
  24         setorigin(w, (m1 + m2) * 0.5);
  25         setsize(w, m1 - w.origin, m2 - w.origin);
  26         if (vlen(w.size) > 0)
  27                 w.wpisbox = true;
  28
  29         if(!w.wpisbox)
  30         {
  31                 setsize(w, PL_MIN - '1 1 0', PL_MAX + '1 1 0');
  32                 if(!move_out_of_solid(w))
  33                 {
  34                         if(!(f & WAYPOINTFLAG_GENERATED))
  35                         {
  36                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin), "\n");
  37                                 remove(w);
  38                                 return world;
  39                         }
  40                         else
  41                         {
  42                                 if(autocvar_developer)
  43                                 {
  44                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin), "\n");
  45                                         backtrace("Waypoint stuck");
  46                                 }
  47                         }
  48                 }
  49                 setsize(w, '0 0 0', '0 0 0');
  50         }
  51
  52         waypoint_clearlinks(w);
  53         //waypoint_schedulerelink(w);
  54
  55         if (autocvar_g_waypointeditor)
  56         {
  57                 m1 = w.mins;
  58                 m2 = w.maxs;
  59                 setmodel(w, MDL_WAYPOINT); w.effects = EF_LOWPRECISION;
  60                 setsize(w, m1, m2);
  61                 if (w.wpflags & WAYPOINTFLAG_ITEM)
  62                         w.colormod = '1 0 0';
  63                 else if (w.wpflags & WAYPOINTFLAG_GENERATED)
  64                         w.colormod = '1 1 0';
  65                 else
  66                         w.colormod = '1 1 1';
  67         }
  68         else
  69                 w.model = "";
  70
  71         return w;
  72 }
  73
  74 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
  75 void waypoint_addlink(entity from, entity to)
  76 {
  77         float c;
  78
  79         if (from == to)
  80                 return;
  81         if (from.wpflags & WAYPOINTFLAG_NORELINK)
  82                 return;
  83
  84         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
  85         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
  86         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
  87         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
  88         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
  89         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
  90         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
  91         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
  92
  93         if (to.wpisbox || from.wpisbox)
  94         {
  95                 // if either is a box we have to find the nearest points on them to
  96                 // calculate the distance properly
  97                 vector v1, v2, m1, m2;
  98                 v1 = from.origin;
  99                 m1 = to.absmin;
 100                 m2 = to.absmax;
 101                 v1_x = bound(m1_x, v1_x, m2_x);
 102                 v1_y = bound(m1_y, v1_y, m2_y);
 103                 v1_z = bound(m1_z, v1_z, m2_z);
 104                 v2 = to.origin;
 105                 m1 = from.absmin;
 106                 m2 = from.absmax;
 107                 v2_x = bound(m1_x, v2_x, m2_x);
 108                 v2_y = bound(m1_y, v2_y, m2_y);
 109                 v2_z = bound(m1_z, v2_z, m2_z);
 110                 v2 = to.origin;
 111                 c = vlen(v2 - v1);
 112         }
 113         else
 114                 c = vlen(to.origin - from.origin);
 115
 116         if (from.wp31mincost < c) return;
 117         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 118         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 119         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 120         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 121         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 122         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 123         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 124         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 125         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 126         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 127         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 128         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 129         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 130         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 131         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 132         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 133         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 134         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 135         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 136         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 137         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 138         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 139         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 140         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 141         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 142         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 143         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 144         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 145         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 146         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 147         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 148         from.wp00 = to;from.wp00mincost = c;return;
 149 }
 150
 151 // relink this spawnfunc_waypoint
 152 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 153 // (SLOW!)
 154 void waypoint_think()
 155 {SELFPARAM();
 156         entity e;
 157         vector sv, sm1, sm2, ev, em1, em2, dv;
 158
 159         bot_calculate_stepheightvec();
 160
 161         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
 162
 163         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 164         sm1 = self.origin + self.mins;
 165         sm2 = self.origin + self.maxs;
 166         for(e = world; (e = find(e, classname, "waypoint")); )
 167         {
 168                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 169                 {
 170                         waypoint_addlink(self, e);
 171                         waypoint_addlink(e, self);
 172                 }
 173                 else
 174                 {
 175                         ++relink_total;
 176                         if(!checkpvs(self.origin, e))
 177                         {
 178                                 ++relink_pvsculled;
 179                                 continue;
 180                         }
 181                         sv = e.origin;
 182                         sv.x = bound(sm1_x, sv.x, sm2_x);
 183                         sv.y = bound(sm1_y, sv.y, sm2_y);
 184                         sv.z = bound(sm1_z, sv.z, sm2_z);
 185                         ev = self.origin;
 186                         em1 = e.origin + e.mins;
 187                         em2 = e.origin + e.maxs;
 188                         ev.x = bound(em1_x, ev.x, em2_x);
 189                         ev.y = bound(em1_y, ev.y, em2_y);
 190                         ev.z = bound(em1_z, ev.z, em2_z);
 191                         dv = ev - sv;
 192                         dv.z = 0;
 193                         if (vlen(dv) >= 1050) // max search distance in XY
 194                         {
 195                                 ++relink_lengthculled;
 196                                 continue;
 197                         }
 198                         navigation_testtracewalk = 0;
 199                         if (!self.wpisbox)
 200                         {
 201                                 tracebox(sv - PL_MIN.z * '0 0 1', PL_MIN, PL_MAX, sv, false, self);
 202                                 if (!trace_startsolid)
 203                                 {
 204                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 205                                         sv = trace_endpos + '0 0 1';
 206                                 }
 207                         }
 208                         if (!e.wpisbox)
 209                         {
 210                                 tracebox(ev - PL_MIN.z * '0 0 1', PL_MIN, PL_MAX, ev, false, e);
 211                                 if (!trace_startsolid)
 212                                 {
 213                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 214                                         ev = trace_endpos + '0 0 1';
 215                                 }
 216                         }
 217                         //traceline(self.origin, e.origin, false, world);
 218                         //if (trace_fraction == 1)
 219                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
 220                                 waypoint_addlink(self, e);
 221                         else
 222                                 relink_walkculled += 0.5;
 223                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
 224                                 waypoint_addlink(e, self);
 225                         else
 226                                 relink_walkculled += 0.5;
 227                 }
 228         }
 229         navigation_testtracewalk = 0;
 230         self.wplinked = true;
 231 }
 232
 233 void waypoint_clearlinks(entity wp)
 234 {
 235         // clear links to other waypoints
 236         float f;
 237         f = 10000000;
 238         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = world;
 239         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = world;
 240         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = world;
 241         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = world;
 242
 243         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
 244         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
 245         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
 246         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
 247
 248         wp.wplinked = false;
 249 }
 250
 251 // tell a spawnfunc_waypoint to relink
 252 void waypoint_schedulerelink(entity wp)
 253 {
 254         if (wp == world)
 255                 return;
 256         // TODO: add some sort of visible box in edit mode for box waypoints
 257         if (autocvar_g_waypointeditor)
 258         {
 259                 vector m1, m2;
 260                 m1 = wp.mins;
 261                 m2 = wp.maxs;
 262                 setmodel(wp, MDL_WAYPOINT); wp.effects = EF_LOWPRECISION;
 263                 setsize(wp, m1, m2);
 264                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 265                         wp.colormod = '1 0 0';
 266                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 267                         wp.colormod = '1 1 0';
 268                 else
 269                         wp.colormod = '1 1 1';
 270         }
 271         else
 272                 wp.model = "";
 273         wp.wpisbox = vlen(wp.size) > 0;
 274         wp.enemy = world;
 275         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
 276                 wp.owner = world;
 277         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 278                 waypoint_clearlinks(wp);
 279         // schedule an actual relink on next frame
 280         wp.think = waypoint_think;
 281         wp.nextthink = time;
 282         wp.effects = EF_LOWPRECISION;
 283 }
 284
 285 // spawnfunc_waypoint map entity
 286 spawnfunc(waypoint)
 287 {
 288         setorigin(self, self.origin);
 289         // schedule a relink after other waypoints have had a chance to spawn
 290         waypoint_clearlinks(self);
 291         //waypoint_schedulerelink(self);
 292 }
 293
 294 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 295 void waypoint_remove(entity e)
 296 {
 297         // tell all linked waypoints that they need to relink
 298         waypoint_schedulerelink(e.wp00);
 299         waypoint_schedulerelink(e.wp01);
 300         waypoint_schedulerelink(e.wp02);
 301         waypoint_schedulerelink(e.wp03);
 302         waypoint_schedulerelink(e.wp04);
 303         waypoint_schedulerelink(e.wp05);
 304         waypoint_schedulerelink(e.wp06);
 305         waypoint_schedulerelink(e.wp07);
 306         waypoint_schedulerelink(e.wp08);
 307         waypoint_schedulerelink(e.wp09);
 308         waypoint_schedulerelink(e.wp10);
 309         waypoint_schedulerelink(e.wp11);
 310         waypoint_schedulerelink(e.wp12);
 311         waypoint_schedulerelink(e.wp13);
 312         waypoint_schedulerelink(e.wp14);
 313         waypoint_schedulerelink(e.wp15);
 314         waypoint_schedulerelink(e.wp16);
 315         waypoint_schedulerelink(e.wp17);
 316         waypoint_schedulerelink(e.wp18);
 317         waypoint_schedulerelink(e.wp19);
 318         waypoint_schedulerelink(e.wp20);
 319         waypoint_schedulerelink(e.wp21);
 320         waypoint_schedulerelink(e.wp22);
 321         waypoint_schedulerelink(e.wp23);
 322         waypoint_schedulerelink(e.wp24);
 323         waypoint_schedulerelink(e.wp25);
 324         waypoint_schedulerelink(e.wp26);
 325         waypoint_schedulerelink(e.wp27);
 326         waypoint_schedulerelink(e.wp28);
 327         waypoint_schedulerelink(e.wp29);
 328         waypoint_schedulerelink(e.wp30);
 329         waypoint_schedulerelink(e.wp31);
 330         // and now remove the spawnfunc_waypoint
 331         remove(e);
 332 }
 333
 334 // empties the map of waypoints
 335 void waypoint_removeall()
 336 {
 337         entity head, next;
 338         head = findchain(classname, "waypoint");
 339         while (head)
 340         {
 341                 next = head.chain;
 342                 remove(head);
 343                 head = next;
 344         }
 345 }
 346
 347 // tell all waypoints to relink
 348 // (is this useful at all?)
 349 void waypoint_schedulerelinkall()
 350 {
 351         entity head;
 352         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 353         head = findchain(classname, "waypoint");
 354         while (head)
 355         {
 356                 waypoint_schedulerelink(head);
 357                 head = head.chain;
 358         }
 359 }
 360
 361 // Load waypoint links from file
 362 float waypoint_load_links()
 363 {
 364         string filename, s;
 365         float file, tokens, c = 0, found;
 366         entity wp_from = world, wp_to;
 367         vector wp_to_pos, wp_from_pos;
 368         filename = strcat("maps/", mapname);
 369         filename = strcat(filename, ".waypoints.cache");
 370         file = fopen(filename, FILE_READ);
 371
 372         if (file < 0)
 373         {
 374                 LOG_TRACE("waypoint links load from ");
 375                 LOG_TRACE(filename);
 376                 LOG_TRACE(" failed\n");
 377                 return false;
 378         }
 379
 380         while ((s = fgets(file)))
 381         {
 382                 tokens = tokenizebyseparator(s, "*");
 383
 384                 if (tokens!=2)
 385                 {
 386                         // bad file format
 387                         fclose(file);
 388                         return false;
 389                 }
 390
 391                 wp_from_pos     = stov(argv(0));
 392                 wp_to_pos       = stov(argv(1));
 393
 394                 // Search "from" waypoint
 395                 if(!wp_from || wp_from.origin!=wp_from_pos)
 396                 {
 397                         wp_from = findradius(wp_from_pos, 1);
 398                         found = false;
 399                         while(wp_from)
 400                         {
 401                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 402                                 if(wp_from.classname == "waypoint")
 403                                 {
 404                                         found = true;
 405                                         break;
 406                                 }
 407                                 wp_from = wp_from.chain;
 408                         }
 409
 410                         if(!found)
 411                         {
 412                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from.origin),"\n");
 413                                 continue;
 414                         }
 415
 416                 }
 417
 418                 // Search "to" waypoint
 419                 wp_to = findradius(wp_to_pos, 1);
 420                 found = false;
 421                 while(wp_to)
 422                 {
 423                         if(vlen(wp_to.origin-wp_to_pos)<1)
 424                         if(wp_to.classname == "waypoint")
 425                         {
 426                                 found = true;
 427                                 break;
 428                         }
 429                         wp_to = wp_to.chain;
 430                 }
 431
 432                 if(!found)
 433                 {
 434                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to.origin),"\n");
 435                         continue;
 436                 }
 437
 438                 ++c;
 439                 waypoint_addlink(wp_from, wp_to);
 440         }
 441
 442         fclose(file);
 443
 444         LOG_TRACE("loaded ");
 445         LOG_TRACE(ftos(c));
 446         LOG_TRACE(" waypoint links from maps/");
 447         LOG_TRACE(mapname);
 448         LOG_TRACE(".waypoints.cache\n");
 449
 450         botframe_cachedwaypointlinks = true;
 451         return true;
 452 }
 453
 454 void waypoint_load_links_hardwired()
 455 {
 456         string filename, s;
 457         float file, tokens, c = 0, found;
 458         entity wp_from = world, wp_to;
 459         vector wp_to_pos, wp_from_pos;
 460         filename = strcat("maps/", mapname);
 461         filename = strcat(filename, ".waypoints.hardwired");
 462         file = fopen(filename, FILE_READ);
 463
 464         botframe_loadedforcedlinks = true;
 465
 466         if (file < 0)
 467         {
 468                 LOG_TRACE("waypoint links load from ");
 469                 LOG_TRACE(filename);
 470                 LOG_TRACE(" failed\n");
 471                 return;
 472         }
 473
 474         while ((s = fgets(file)))
 475         {
 476                 if(substring(s, 0, 2)=="//")
 477                         continue;
 478
 479                 if(substring(s, 0, 1)=="#")
 480                         continue;
 481
 482                 tokens = tokenizebyseparator(s, "*");
 483
 484                 if (tokens!=2)
 485                         continue;
 486
 487                 wp_from_pos     = stov(argv(0));
 488                 wp_to_pos       = stov(argv(1));
 489
 490                 // Search "from" waypoint
 491                 if(!wp_from || wp_from.origin!=wp_from_pos)
 492                 {
 493                         wp_from = findradius(wp_from_pos, 5);
 494                         found = false;
 495                         while(wp_from)
 496                         {
 497                                 if(vlen(wp_from.origin-wp_from_pos)<5)
 498                                 if(wp_from.classname == "waypoint")
 499                                 {
 500                                         found = true;
 501                                         break;
 502                                 }
 503                                 wp_from = wp_from.chain;
 504                         }
 505
 506                         if(!found)
 507                         {
 508                                 LOG_INFO(strcat("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped\n"));
 509                                 continue;
 510                         }
 511                 }
 512
 513                 // Search "to" waypoint
 514                 wp_to = findradius(wp_to_pos, 5);
 515                 found = false;
 516                 while(wp_to)
 517                 {
 518                         if(vlen(wp_to.origin-wp_to_pos)<5)
 519                         if(wp_to.classname == "waypoint")
 520                         {
 521                                 found = true;
 522                                 break;
 523                         }
 524                         wp_to = wp_to.chain;
 525                 }
 526
 527                 if(!found)
 528                 {
 529                         LOG_INFO(strcat("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped\n"));
 530                         continue;
 531                 }
 532
 533                 ++c;
 534                 waypoint_addlink(wp_from, wp_to);
 535                 wp_from.wphardwired = true;
 536                 wp_to.wphardwired = true;
 537         }
 538
 539         fclose(file);
 540
 541         LOG_TRACE("loaded ");
 542         LOG_TRACE(ftos(c));
 543         LOG_TRACE(" waypoint links from maps/");
 544         LOG_TRACE(mapname);
 545         LOG_TRACE(".waypoints.hardwired\n");
 546 }
 547
 548 entity waypoint_get_link(entity w, float i)
 549 {
 550         switch(i)
 551         {
 552                 case  0:return w.wp00;
 553                 case  1:return w.wp01;
 554                 case  2:return w.wp02;
 555                 case  3:return w.wp03;
 556                 case  4:return w.wp04;
 557                 case  5:return w.wp05;
 558                 case  6:return w.wp06;
 559                 case  7:return w.wp07;
 560                 case  8:return w.wp08;
 561                 case  9:return w.wp09;
 562                 case 10:return w.wp10;
 563                 case 11:return w.wp11;
 564                 case 12:return w.wp12;
 565                 case 13:return w.wp13;
 566                 case 14:return w.wp14;
 567                 case 15:return w.wp15;
 568                 case 16:return w.wp16;
 569                 case 17:return w.wp17;
 570                 case 18:return w.wp18;
 571                 case 19:return w.wp19;
 572                 case 20:return w.wp20;
 573                 case 21:return w.wp21;
 574                 case 22:return w.wp22;
 575                 case 23:return w.wp23;
 576                 case 24:return w.wp24;
 577                 case 25:return w.wp25;
 578                 case 26:return w.wp26;
 579                 case 27:return w.wp27;
 580                 case 28:return w.wp28;
 581                 case 29:return w.wp29;
 582                 case 30:return w.wp30;
 583                 case 31:return w.wp31;
 584                 default:return world;
 585         }
 586 }
 587
 588 // Save all waypoint links to a file
 589 void waypoint_save_links()
 590 {
 591         string filename, s;
 592         float file, c, i;
 593         entity w, link;
 594         filename = strcat("maps/", mapname);
 595         filename = strcat(filename, ".waypoints.cache");
 596         file = fopen(filename, FILE_WRITE);
 597         if (file < 0)
 598         {
 599                 LOG_INFO("waypoint links save to ");
 600                 LOG_INFO(filename);
 601                 LOG_INFO(" failed\n");
 602         }
 603         c = 0;
 604         w = findchain(classname, "waypoint");
 605         while (w)
 606         {
 607                 for(i=0;i<32;++i)
 608                 {
 609                         // :S
 610                         link = waypoint_get_link(w, i);
 611                         if(link==world)
 612                                 continue;
 613
 614                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
 615                         fputs(file, s);
 616                         ++c;
 617                 }
 618                 w = w.chain;
 619         }
 620         fclose(file);
 621         botframe_cachedwaypointlinks = true;
 622
 623         LOG_INFO("saved ");
 624         LOG_INFO(ftos(c));
 625         LOG_INFO(" waypoints links to maps/");
 626         LOG_INFO(mapname);
 627         LOG_INFO(".waypoints.cache\n");
 628 }
 629
 630 // save waypoints to gamedir/data/maps/mapname.waypoints
 631 void waypoint_saveall()
 632 {
 633         string filename, s;
 634         float file, c;
 635         entity w;
 636         filename = strcat("maps/", mapname);
 637         filename = strcat(filename, ".waypoints");
 638         file = fopen(filename, FILE_WRITE);
 639         if (file >= 0)
 640         {
 641                 c = 0;
 642                 w = findchain(classname, "waypoint");
 643                 while (w)
 644                 {
 645                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
 646                         {
 647                                 s = strcat(vtos(w.origin + w.mins), "\n");
 648                                 s = strcat(s, vtos(w.origin + w.maxs));
 649                                 s = strcat(s, "\n");
 650                                 s = strcat(s, ftos(w.wpflags));
 651                                 s = strcat(s, "\n");
 652                                 fputs(file, s);
 653                                 c = c + 1;
 654                         }
 655                         w = w.chain;
 656                 }
 657                 fclose(file);
 658                 bprint("saved ");
 659                 bprint(ftos(c));
 660                 bprint(" waypoints to maps/");
 661                 bprint(mapname);
 662                 bprint(".waypoints\n");
 663         }
 664         else
 665         {
 666                 bprint("waypoint save to ");
 667                 bprint(filename);
 668                 bprint(" failed\n");
 669         }
 670         waypoint_save_links();
 671         botframe_loadedforcedlinks = false;
 672 }
 673
 674 // load waypoints from file
 675 float waypoint_loadall()
 676 {
 677         string filename, s;
 678         float file, cwp, cwb, fl;
 679         vector m1, m2;
 680         cwp = 0;
 681         cwb = 0;
 682         filename = strcat("maps/", mapname);
 683         filename = strcat(filename, ".waypoints");
 684         file = fopen(filename, FILE_READ);
 685         if (file >= 0)
 686         {
 687                 while ((s = fgets(file)))
 688                 {
 689                         m1 = stov(s);
 690                         s = fgets(file);
 691                         if (!s)
 692                                 break;
 693                         m2 = stov(s);
 694                         s = fgets(file);
 695                         if (!s)
 696                                 break;
 697                         fl = stof(s);
 698                         waypoint_spawn(m1, m2, fl);
 699                         if (m1 == m2)
 700                                 cwp = cwp + 1;
 701                         else
 702                                 cwb = cwb + 1;
 703                 }
 704                 fclose(file);
 705                 LOG_TRACE("loaded ");
 706                 LOG_TRACE(ftos(cwp));
 707                 LOG_TRACE(" waypoints and ");
 708                 LOG_TRACE(ftos(cwb));
 709                 LOG_TRACE(" wayboxes from maps/");
 710                 LOG_TRACE(mapname);
 711                 LOG_TRACE(".waypoints\n");
 712         }
 713         else
 714         {
 715                 LOG_TRACE("waypoint load from ");
 716                 LOG_TRACE(filename);
 717                 LOG_TRACE(" failed\n");
 718         }
 719         return cwp + cwb;
 720 }
 721
 722 vector waypoint_fixorigin(vector position)
 723 {
 724         tracebox(position + '0 0 1' * (1 - PL_MIN.z), PL_MIN, PL_MAX, position + '0 0 -512', MOVE_NOMONSTERS, world);
 725         if(trace_fraction < 1)
 726                 position = trace_endpos;
 727         //traceline(position, position + '0 0 -512', MOVE_NOMONSTERS, world);
 728         //print("position is ", ftos(trace_endpos_z - position_z), " above solid\n");
 729         return position;
 730 }
 731
 732 void waypoint_spawnforitem_force(entity e, vector org)
 733 {
 734         entity w;
 735
 736         // Fix the waypoint altitude if necessary
 737         org = waypoint_fixorigin(org);
 738
 739         // don't spawn an item spawnfunc_waypoint if it already exists
 740         w = findchain(classname, "waypoint");
 741         while (w)
 742         {
 743                 if (w.wpisbox)
 744                 {
 745                         if (boxesoverlap(org, org, w.absmin, w.absmax))
 746                         {
 747                                 e.nearestwaypoint = w;
 748                                 return;
 749                         }
 750                 }
 751                 else
 752                 {
 753                         if (vlen(w.origin - org) < 16)
 754                         {
 755                                 e.nearestwaypoint = w;
 756                                 return;
 757                         }
 758                 }
 759                 w = w.chain;
 760         }
 761         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
 762 }
 763
 764 void waypoint_spawnforitem(entity e)
 765 {
 766         if(!bot_waypoints_for_items)
 767                 return;
 768
 769         waypoint_spawnforitem_force(e, e.origin);
 770 }
 771
 772 void waypoint_spawnforteleporter_boxes(entity e, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
 773 {
 774         entity w;
 775         entity dw;
 776         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
 777         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
 778         // one way link to the destination
 779         w.wp00 = dw;
 780         w.wp00mincost = timetaken; // this is just for jump pads
 781         // the teleporter's nearest spawnfunc_waypoint is this one
 782         // (teleporters are not goals, so this is probably useless)
 783         e.nearestwaypoint = w;
 784         e.nearestwaypointtimeout = time + 1000000000;
 785 }
 786
 787 void waypoint_spawnforteleporter_v(entity e, vector org, vector destination, float timetaken)
 788 {
 789         org = waypoint_fixorigin(org);
 790         destination = waypoint_fixorigin(destination);
 791         waypoint_spawnforteleporter_boxes(e, org, org, destination, destination, timetaken);
 792 }
 793
 794 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
 795 {
 796         destination = waypoint_fixorigin(destination);
 797         waypoint_spawnforteleporter_boxes(e, e.absmin, e.absmax, destination, destination, timetaken);
 798 }
 799
 800 entity waypoint_spawnpersonal(vector position)
 801 {SELFPARAM();
 802         entity w;
 803
 804         // drop the waypoint to a proper location:
 805         //   first move it up by a player height
 806         //   then move it down to hit the floor with player bbox size
 807         position = waypoint_fixorigin(position);
 808
 809         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
 810         w.nearestwaypoint = world;
 811         w.nearestwaypointtimeout = 0;
 812         w.owner = self;
 813
 814         waypoint_schedulerelink(w);
 815
 816         return w;
 817 }
 818
 819 void botframe_showwaypointlinks()
 820 {
 821         entity player, head, w;
 822         if (time < botframe_waypointeditorlightningtime)
 823                 return;
 824         botframe_waypointeditorlightningtime = time + 0.5;
 825         player = find(world, classname, "player");
 826         while (player)
 827         {
 828                 if (!player.isbot)
 829                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
 830                 {
 831                         //navigation_testtracewalk = true;
 832                         head = navigation_findnearestwaypoint(player, false);
 833                 //      print("currently selected WP is ", etos(head), "\n");
 834                         //navigation_testtracewalk = false;
 835                         if (head)
 836                         {
 837                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
 838                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
 839                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
 840                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
 841                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
 842                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
 843                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
 844                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
 845                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
 846                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
 847                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
 848                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
 849                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
 850                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
 851                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
 852                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
 853                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
 854                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
 855                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
 856                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
 857                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
 858                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
 859                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
 860                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
 861                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
 862                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
 863                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
 864                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
 865                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
 866                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
 867                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
 868                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
 869                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
 870                         }
 871                 }
 872                 player = find(player, classname, "player");
 873         }
 874 }
 875
 876 float botframe_autowaypoints_fixdown(vector v)
 877 {
 878         tracebox(v, PL_MIN, PL_MAX, v + '0 0 -64', MOVE_NOMONSTERS, world);
 879         if(trace_fraction >= 1)
 880                 return 0;
 881         return 1;
 882 }
 883
 884 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
 885 {
 886         entity w;
 887
 888         w = find(world, classname, "waypoint");
 889         while (w)
 890         {
 891                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
 892                 if (boxesoverlap(v - '32 32 32', v + '32 32 32', w.absmin, w.absmax))
 893                 //if (boxesoverlap(v - '4 4 4', v + '4 4 4', w.absmin, w.absmax))
 894                         return 0;
 895                 w = find(w, classname, "waypoint");
 896         }
 897
 898         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
 899         return 1;
 900 }
 901
 902 // return value:
 903 //    1 = WP created
 904 //    0 = no action needed
 905 //   -1 = temp fail, try from world too
 906 //   -2 = permanent fail, do not retry
 907 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
 908 {
 909         // make it possible to go from p to wp, if we can
 910         // if wp is world, nearest is chosen
 911
 912         entity w;
 913         vector porg;
 914         float t, tmin, tmax;
 915         vector o;
 916         vector save;
 917
 918         if(!botframe_autowaypoints_fixdown(p.origin))
 919                 return -2;
 920         porg = trace_endpos;
 921
 922         if(wp)
 923         {
 924                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
 925
 926                 // if wp -> porg, then OK
 927                 float maxdist;
 928                 if(navigation_waypoint_will_link(wp.origin, porg, p, walkfromwp, 1050))
 929                 {
 930                         // we may find a better one
 931                         maxdist = vlen(wp.origin - porg);
 932                 }
 933                 else
 934                 {
 935                         // accept any "good"
 936                         maxdist = 2100;
 937                 }
 938
 939                 float bestdist;
 940                 bestdist = maxdist;
 941                 w = find(world, classname, "waypoint");
 942                 while (w)
 943                 {
 944                         if(w != wp && !(w.wpflags & WAYPOINTFLAG_NORELINK))
 945                         {
 946                                 float d;
 947                                 d = vlen(wp.origin - w.origin) + vlen(w.origin - porg);
 948                                 if(d < bestdist)
 949                                         if(navigation_waypoint_will_link(wp.origin, w.origin, p, walkfromwp, 1050))
 950                                                 if(navigation_waypoint_will_link(w.origin, porg, p, walkfromwp, 1050))
 951                                                 {
 952                                                         bestdist = d;
 953                                                         p.(fld) = w;
 954                                                 }
 955                         }
 956                         w = find(w, classname, "waypoint");
 957                 }
 958                 if(bestdist < maxdist)
 959                 {
 960                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)), "\n");
 961                         return 0;
 962                 }
 963
 964                 if(bestdist < 2100)
 965                 {
 966                         // we know maxdist < 2100
 967                         // so wp -> porg is still valid
 968                         // all is good
 969                         p.(fld) = wp;
 970                         return 0;
 971                 }
 972
 973                 // otherwise, no existing WP can fix our issues
 974         }
 975         else
 976         {
 977                 save = p.origin;
 978                 setorigin(p, porg);
 979                 w = navigation_findnearestwaypoint(p, walkfromwp);
 980                 setorigin(p, save);
 981                 if(w)
 982                 {
 983                         p.(fld) = w;
 984                         return 0;
 985                 }
 986         }
 987
 988         tmin = 0;
 989         tmax = 1;
 990         for (;;)
 991         {
 992                 if(tmax - tmin < 0.001)
 993                 {
 994                         // did not get a good candidate
 995                         return -1;
 996                 }
 997
 998                 t = (tmin + tmax) * 0.5;
 999                 o = antilag_takebackorigin(p, time - t);
1000                 if(!botframe_autowaypoints_fixdown(o))
1001                         return -2;
1002                 o = trace_endpos;
1003
1004                 if(wp)
1005                 {
1006                         if(!navigation_waypoint_will_link(wp.origin, o, p, walkfromwp, 1050))
1007                         {
1008                                 // we cannot walk from wp.origin to o
1009                                 // get closer to tmax
1010                                 tmin = t;
1011                                 continue;
1012                         }
1013                 }
1014                 else
1015                 {
1016                         save = p.origin;
1017                         setorigin(p, o);
1018                         w = navigation_findnearestwaypoint(p, walkfromwp);
1019                         setorigin(p, save);
1020                         if(!w)
1021                         {
1022                                 // we cannot walk from any WP to o
1023                                 // get closer to tmax
1024                                 tmin = t;
1025                                 continue;
1026                         }
1027                 }
1028
1029                 // if we get here, o is valid regarding waypoints
1030                 // check if o is connected right to the player
1031                 // we break if it succeeds, as that means o is a good waypoint location
1032                 if(navigation_waypoint_will_link(o, porg, p, walkfromwp, 1050))
1033                         break;
1034
1035                 // o is no good, we need to get closer to the player
1036                 tmax = t;
1037         }
1038
1039         LOG_INFO("spawning a waypoint for connecting to ", etos(wp), "\n");
1040         botframe_autowaypoints_createwp(o, p, fld, 0);
1041         return 1;
1042 }
1043
1044 // automatically create missing waypoints
1045 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
1046 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
1047 {
1048         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
1049         if(r != -1)
1050                 return;
1051         r = botframe_autowaypoints_fix_from(p, walkfromwp, world, fld);
1052         if(r != -1)
1053                 return;
1054
1055         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain\n");
1056         if(!botframe_autowaypoints_fixdown(p.origin))
1057                 return; // shouldn't happen, caught above
1058         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
1059 }
1060
1061 void botframe_deleteuselesswaypoints()
1062 {
1063         entity w, w1, w2;
1064         float i, j, k;
1065         for (w = world; (w = findfloat(w, bot_pickup, true)); )
1066         {
1067                 // NOTE: this protects waypoints if they're the ONLY nearest
1068                 // waypoint. That's the intention.
1069                 navigation_findnearestwaypoint(w, false);  // Walk TO item.
1070                 navigation_findnearestwaypoint(w, true);  // Walk FROM item.
1071         }
1072         for (w = world; (w = find(w, classname, "waypoint")); )
1073         {
1074                 w.wpflags |= WAYPOINTFLAG_DEAD_END;
1075                 w.wpflags &= ~WAYPOINTFLAG_USEFUL;
1076                 // WP is useful if:
1077                 if (w.wpflags & WAYPOINTFLAG_ITEM)
1078                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1079                 if (w.wpflags & WAYPOINTFLAG_TELEPORT)
1080                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1081                 if (w.wpflags & WAYPOINTFLAG_PROTECTED)
1082                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1083                 // b) WP is closest WP for an item/spawnpoint/other entity
1084                 //    This has been done above by protecting these WPs.
1085         }
1086         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
1087         for (w1 = world; (w1 = find(w1, classname, "waypoint")); )
1088         {
1089                 if (w1.wpflags & WAYPOINTFLAG_PERSONAL)
1090                         continue;
1091                 for (i = 0; i < 32; ++i)
1092                 {
1093                         w = waypoint_get_link(w1, i);
1094                         if (!w)
1095                                 break;
1096                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
1097                                 continue;
1098                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
1099                                 continue;
1100                         for (j = 0; j < 32; ++j)
1101                         {
1102                                 w2 = waypoint_get_link(w, j);
1103                                 if (!w2)
1104                                         break;
1105                                 if (w1 == w2)
1106                                         continue;
1107                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
1108                                         continue;
1109                                 // If we got here, w1 != w2 exist with w1 -> w
1110                                 // and w -> w2. That means the waypoint is not
1111                                 // a dead end.
1112                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
1113                                 for (k = 0; k < 32; ++k)
1114                                 {
1115                                         if (waypoint_get_link(w1, k) == w2)
1116                                                 continue;
1117                                         // IF WE GET HERE, w is proven useful
1118                                         // to get from w1 to w2!
1119                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1120                                         goto next;
1121                                 }
1122                         }
1123 :next
1124                 }
1125         }
1126         // d) The waypoint is a dead end. Dead end waypoints must be kept as
1127         //     they are needed to complete routes while autowaypointing.
1128
1129         for (w = world; (w = find(w, classname, "waypoint")); )
1130         {
1131                 if (!(w.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)))
1132                 {
1133                         LOG_INFOF("Removed a waypoint at %v. Try again for more!\n", w.origin);
1134                         te_explosion(w.origin);
1135                         waypoint_remove(w);
1136                         break;
1137                 }
1138         }
1139         for (w = world; (w = find(w, classname, "waypoint")); )
1140                 w.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
1141 }
1142
1143 void botframe_autowaypoints()
1144 {
1145         entity p;
1146         FOR_EACH_REALPLAYER(p)
1147         {
1148                 if(p.deadflag)
1149                         continue;
1150                 // going back is broken, so only fix waypoints to walk TO the player
1151                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
1152                 botframe_autowaypoints_fix(p, true, botframe_autowaypoints_lastwp1);
1153                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
1154         }
1155
1156         if (autocvar_g_waypointeditor_auto >= 2) {
1157                 botframe_deleteuselesswaypoints();
1158         }
1159 }
1160