qcsrc/server/bot/default/waypoints.qc

   1 #include "waypoints.qh"
   2
   3 #include <server/defs.qh>
   4 #include <server/miscfunctions.qh>
   5 #include "cvars.qh"
   6
   7 #include "bot.qh"
   8 #include "navigation.qh"
   9
  10 #include <common/state.qh>
  11
  12 #include "../../antilag.qh"
  13
  14 #include <common/constants.qh>
  15 #include <common/net_linked.qh>
  16 #include <common/physics/player.qh>
  17
  18 #include <lib/warpzone/common.qh>
  19 #include <lib/warpzone/util_server.qh>
  20
  21 .entity spawnpointmodel;
  22 void waypoint_unreachable(entity pl)
  23 {
  24         IL_EACH(g_waypoints, true,
  25         {
  26                 it.colormod = '0.5 0.5 0.5';
  27                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
  28         });
  29
  30         entity e2 = navigation_findnearestwaypoint(pl, false);
  31         if(!e2)
  32         {
  33                 LOG_INFOF("Can't find any waypoint nearby\n");
  34                 return;
  35         }
  36
  37         navigation_markroutes(pl, e2);
  38
  39         int j = 0;
  40         int m = 0;
  41         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  42         {
  43                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
  44                 it.colormod_z = 8;
  45                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
  46                 j++;
  47                 m++;
  48         });
  49         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
  50         navigation_markroutes_inverted(e2);
  51
  52         j = 0;
  53         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  54         {
  55                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
  56                 it.colormod_x = 8;
  57                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
  58                         m++;
  59                 it.effects |= EF_NODEPTHTEST | EF_RED;
  60                 j++;
  61         });
  62         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
  63         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
  64
  65         j = 0;
  66         IL_EACH(g_spawnpoints, true,
  67         {
  68                 if (navigation_findnearestwaypoint(it, false))
  69                 {
  70                         if(it.spawnpointmodel)
  71                         {
  72                                 delete(it.spawnpointmodel);
  73                                 it.spawnpointmodel = NULL;
  74                         }
  75                 }
  76                 else
  77                 {
  78                         if(!it.spawnpointmodel)
  79                         {
  80                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
  81                                 entity e = new(spawnpointmodel);
  82                                 vector org = trace_endpos + eZ;
  83                                 setorigin(e, org);
  84                                 e.solid = SOLID_TRIGGER;
  85                                 it.spawnpointmodel = e;
  86                         }
  87                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
  88                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
  89                         _setmodel(it.spawnpointmodel, pl.model);
  90                         it.spawnpointmodel.frame = pl.frame;
  91                         it.spawnpointmodel.skin = pl.skin;
  92                         it.spawnpointmodel.colormap = pl.colormap;
  93                         it.spawnpointmodel.colormod = pl.colormod;
  94                         it.spawnpointmodel.glowmod = pl.glowmod;
  95                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
  96                         j++;
  97                 }
  98         });
  99         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
 100
 101         j = 0;
 102         IL_EACH(g_items, true,
 103         {
 104                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
 105                 it.colormod = '0.5 0.5 0.5';
 106         });
 107         IL_EACH(g_items, true,
 108         {
 109                 if (navigation_findnearestwaypoint(it, false))
 110                         continue;
 111                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 112                 it.effects |= EF_NODEPTHTEST | EF_RED;
 113                 it.colormod_x = 8;
 114                 j++;
 115         });
 116         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
 117
 118         j = 0;
 119         IL_EACH(g_items, true,
 120         {
 121                 if (navigation_findnearestwaypoint(it, true))
 122                         continue;
 123                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 124                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
 125                 it.colormod_z = 8;
 126                 j++;
 127         });
 128         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
 129 }
 130
 131 void waypoint_getSymmetricalAxis_cmd(entity caller, bool save, int arg_idx)
 132 {
 133         vector v1 = stov(argv(arg_idx++));
 134         vector v2 = stov(argv(arg_idx++));
 135         vector mid = (v1 + v2) / 2;
 136
 137         float diffy = (v2.y - v1.y);
 138         float diffx = (v2.x - v1.x);
 139         if (v1.y == v2.y)
 140                 diffy = 0.000001;
 141         if (v1.x == v2.x)
 142                 diffx = 0.000001;
 143         float m = - diffx / diffy;
 144         float q = - m * mid.x + mid.y;
 145         if (fabs(m) <= 0.000001) m = 0;
 146         if (fabs(q) <= 0.000001) q = 0;
 147
 148         string axis_str =  strcat(ftos(m), " ", ftos(q));
 149         if (save)
 150                 cvar_set("g_waypointeditor_symmetrical_axis", axis_str);
 151         axis_str = strcat("\"", axis_str, "\"");
 152         sprint(caller, strcat("Axis of symmetry based on input points: ", axis_str, "\n"));
 153         if (save)
 154                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_axis"));
 155         if (save)
 156         {
 157                 cvar_set("g_waypointeditor_symmetrical", "-2");
 158                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 159                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 160         }
 161 }
 162
 163 void waypoint_getSymmetricalOrigin_cmd(entity caller, bool save, int arg_idx)
 164 {
 165         vector org = '0 0 0';
 166         int ctf_flags = 0;
 167         for (int i = 0; i < 6; i++)
 168         {
 169                 if (argv(arg_idx + i) != "")
 170                         ctf_flags++;
 171         }
 172         if (ctf_flags < 2)
 173         {
 174                 ctf_flags = 0;
 175                 org = vec2(havocbot_middlepoint);
 176                 if (argv(arg_idx) != "")
 177                         sprint(caller, "WARNING: Ignoring single input point\n");
 178                 if (havocbot_middlepoint_radius == 0)
 179                 {
 180                         sprint(caller, "Origin of symmetry can't be automatically determined\n");
 181                         return;
 182                 }
 183         }
 184         else
 185         {
 186                 vector v1, v2, v3, v4, v5, v6;
 187                 for (int i = 1; i <= ctf_flags; i++)
 188                 {
 189                         if (i == 1) { v1 = stov(argv(arg_idx++)); org = v1 / ctf_flags; }
 190                         else if (i == 2) { v2 = stov(argv(arg_idx++)); org += v2 / ctf_flags; }
 191                         else if (i == 3) { v3 = stov(argv(arg_idx++)); org += v3 / ctf_flags; }
 192                         else if (i == 4) { v4 = stov(argv(arg_idx++)); org += v4 / ctf_flags; }
 193                         else if (i == 5) { v5 = stov(argv(arg_idx++)); org += v5 / ctf_flags; }
 194                         else if (i == 6) { v6 = stov(argv(arg_idx++)); org += v6 / ctf_flags; }
 195                 }
 196         }
 197
 198         if (fabs(org.x) <= 0.000001) org.x = 0;
 199         if (fabs(org.y) <= 0.000001) org.y = 0;
 200         string org_str = strcat(ftos(org.x), " ", ftos(org.y));
 201         if (save)
 202         {
 203                 cvar_set("g_waypointeditor_symmetrical_origin", org_str);
 204                 cvar_set("g_waypointeditor_symmetrical_order", ftos(ctf_flags));
 205         }
 206         org_str = strcat("\"", org_str, "\"");
 207
 208         if (ctf_flags < 2)
 209                 sprint(caller, strcat("Origin of symmetry based on flag positions: ", org_str, "\n"));
 210         else
 211                 sprint(caller, strcat("Origin of symmetry based on input points: ", org_str, "\n"));
 212         if (save)
 213                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_origin"));
 214
 215         if (ctf_flags < 2)
 216                 sprint(caller, "Order of symmetry: 0 (autodetected)\n");
 217         else
 218                 sprint(caller, strcat("Order of symmetry: ", ftos(ctf_flags), "\n"));
 219         if (save)
 220                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_order"));
 221
 222         if (save)
 223         {
 224                 if (ctf_flags < 2)
 225                         cvar_set("g_waypointeditor_symmetrical", "0");
 226                 else
 227                         cvar_set("g_waypointeditor_symmetrical", "-1");
 228                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 229                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 230         }
 231 }
 232
 233 vector waypoint_getSymmetricalPoint(vector org, int ctf_flags)
 234 {
 235         vector new_org = org;
 236         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
 237         {
 238                 vector map_center = havocbot_middlepoint;
 239                 if (autocvar_g_waypointeditor_symmetrical == -1)
 240                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
 241
 242                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
 243         }
 244         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
 245         {
 246                 float m = havocbot_symmetry_axis_m;
 247                 float q = havocbot_symmetry_axis_q;
 248                 if (autocvar_g_waypointeditor_symmetrical == -2)
 249                 {
 250                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
 251                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
 252                 }
 253
 254                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
 255                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
 256         }
 257         new_org.z = org.z;
 258         return new_org;
 259 }
 260
 261 void waypoint_setupmodel(entity wp)
 262 {
 263         if (autocvar_g_waypointeditor)
 264         {
 265                 // TODO: add some sort of visible box in edit mode for box waypoints
 266                 vector m1 = wp.mins;
 267                 vector m2 = wp.maxs;
 268                 setmodel(wp, MDL_WAYPOINT);
 269                 setsize(wp, m1, m2);
 270                 wp.effects = EF_LOWPRECISION;
 271                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 272                         wp.colormod = '1 0 0';
 273                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 274                         wp.colormod = '1 1 0';
 275                 else if (wp.wphardwired)
 276                         wp.colormod = '0.5 0 1';
 277                 else
 278                         wp.colormod = '1 1 1';
 279         }
 280         else
 281                 wp.model = "";
 282 }
 283
 284 entity waypoint_spawn(vector m1, vector m2, float f)
 285 {
 286         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
 287         {
 288                 vector em1 = m1 - '8 8 8';
 289                 vector em2 = m2 + '8 8 8';
 290                 IL_EACH(g_waypoints, boxesoverlap(em1, em2, it.absmin, it.absmax),
 291                 {
 292                         return it;
 293                 });
 294         }
 295         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
 296         // otherwise links loaded from file would be applied only to the first destination
 297         // waypoint since link format doesn't specify waypoint entities but just positions
 298         if((f & WAYPOINTFLAG_GENERATED) && !(f & WAYPOINTFLAG_NORELINK) && m1 == m2)
 299         {
 300                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
 301                 {
 302                         return it;
 303                 });
 304         }
 305
 306         entity w = new(waypoint);
 307         IL_PUSH(g_waypoints, w);
 308         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 309         w.wpflags = f;
 310         w.solid = SOLID_TRIGGER;
 311         setorigin(w, (m1 + m2) * 0.5);
 312         setsize(w, m1 - w.origin, m2 - w.origin);
 313         if (w.size)
 314                 w.wpisbox = true;
 315
 316         if(!w.wpisbox)
 317         {
 318                 setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
 319                 if(!move_out_of_solid(w))
 320                 {
 321                         if(!(f & WAYPOINTFLAG_GENERATED))
 322                         {
 323                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
 324                                 delete(w);
 325                                 return NULL;
 326                         }
 327                         else
 328                         {
 329                                 if(autocvar_developer)
 330                                 {
 331                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
 332                                         backtrace("Waypoint stuck");
 333                                 }
 334                         }
 335                 }
 336                 setsize(w, '0 0 0', '0 0 0');
 337         }
 338
 339         waypoint_clearlinks(w);
 340         //waypoint_schedulerelink(w);
 341
 342         waypoint_setupmodel(w);
 343
 344         return w;
 345 }
 346
 347 void waypoint_spawn_fromeditor(entity pl)
 348 {
 349         entity e;
 350         vector org = pl.origin;
 351         int ctf_flags = havocbot_symmetry_origin_order;
 352         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 353                    || (autocvar_g_waypointeditor_symmetrical < 0));
 354         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 355                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 356         if (sym && ctf_flags < 2)
 357                 ctf_flags = 2;
 358         int wp_num = ctf_flags;
 359
 360         if(!PHYS_INPUT_BUTTON_CROUCH(pl))
 361         {
 362                 // snap waypoint to item's origin if close enough
 363                 IL_EACH(g_items, true,
 364                 {
 365                         vector item_org = (it.absmin + it.absmax) * 0.5;
 366                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
 367                         if (vlen(item_org - org) < 20)
 368                         {
 369                                 org = item_org;
 370                                 break;
 371                         }
 372                 });
 373         }
 374
 375         LABEL(add_wp);
 376         e = waypoint_spawn(org, org, 0);
 377         if(!e)
 378         {
 379                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
 380                 return;
 381         }
 382         waypoint_schedulerelink(e);
 383         bprint(strcat("Waypoint spawned at ", vtos(e.origin), "\n"));
 384         if(sym)
 385         {
 386                 org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 387                 if (vdist(org - pl.origin, >, 32))
 388                 {
 389                         if(wp_num > 2)
 390                                 wp_num--;
 391                         else
 392                                 sym = false;
 393                         goto add_wp;
 394                 }
 395         }
 396 }
 397
 398 void waypoint_remove(entity wp)
 399 {
 400         IL_EACH(g_waypoints, it != wp,
 401         {
 402                 if (waypoint_islinked(it, wp))
 403                         waypoint_removelink(it, wp);
 404         });
 405         delete(wp);
 406 }
 407
 408 void waypoint_remove_fromeditor(entity pl)
 409 {
 410         entity e = navigation_findnearestwaypoint(pl, false);
 411
 412         int ctf_flags = havocbot_symmetry_origin_order;
 413         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 414                    || (autocvar_g_waypointeditor_symmetrical < 0));
 415         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 416                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 417         if (sym && ctf_flags < 2)
 418                 ctf_flags = 2;
 419         int wp_num = ctf_flags;
 420
 421         LABEL(remove_wp);
 422         if (!e) return;
 423         if (e.wpflags & WAYPOINTFLAG_GENERATED) return;
 424
 425         if (e.wphardwired)
 426         {
 427                 LOG_INFO("^1Warning: ^7Removal of hardwired waypoints is not allowed in the editor. Please remove links from/to this waypoint (", vtos(e.origin), ") by hand from maps/", mapname, ".waypoints.hardwired\n");
 428                 return;
 429         }
 430
 431         entity wp_sym = NULL;
 432         if (sym)
 433         {
 434                 vector org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 435                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
 436                         if(vdist(org - it.origin, <, 3))
 437                         {
 438                                 wp_sym = it;
 439                                 break;
 440                         }
 441                 });
 442         }
 443
 444         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
 445         waypoint_remove(e);
 446
 447         if (sym && wp_sym)
 448         {
 449                 e = wp_sym;
 450                 if(wp_num > 2)
 451                         wp_num--;
 452                 else
 453                         sym = false;
 454                 goto remove_wp;
 455         }
 456 }
 457
 458 void waypoint_removelink(entity from, entity to)
 459 {
 460         if (from == to || (from.wpflags & WAYPOINTFLAG_NORELINK))
 461                 return;
 462
 463         entity fromwp31_prev = from.wp31;
 464
 465         switch (waypoint_getlinknum(from, to))
 466         {
 467                 // fallthrough all the way
 468                 case  0: from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;
 469                 case  1: from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;
 470                 case  2: from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;
 471                 case  3: from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;
 472                 case  4: from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;
 473                 case  5: from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;
 474                 case  6: from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;
 475                 case  7: from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;
 476                 case  8: from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;
 477                 case  9: from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;
 478                 case 10: from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;
 479                 case 11: from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;
 480                 case 12: from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;
 481                 case 13: from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;
 482                 case 14: from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;
 483                 case 15: from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;
 484                 case 16: from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;
 485                 case 17: from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;
 486                 case 18: from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;
 487                 case 19: from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;
 488                 case 20: from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;
 489                 case 21: from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;
 490                 case 22: from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;
 491                 case 23: from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;
 492                 case 24: from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;
 493                 case 25: from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;
 494                 case 26: from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;
 495                 case 27: from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;
 496                 case 28: from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;
 497                 case 29: from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;
 498                 case 30: from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;
 499                 case 31: from.wp31 = NULL; from.wp31mincost = 10000000;
 500         }
 501
 502         if (fromwp31_prev && !from.wp31)
 503                 waypoint_schedulerelink(from);
 504 }
 505
 506 int waypoint_getlinknum(entity from, entity to)
 507 {
 508         if (from.wp00 == to) return  0; if (from.wp01 == to) return  1; if (from.wp02 == to) return  2; if (from.wp03 == to) return  3;
 509         if (from.wp04 == to) return  4; if (from.wp05 == to) return  5; if (from.wp06 == to) return  6; if (from.wp07 == to) return  7;
 510         if (from.wp08 == to) return  8; if (from.wp09 == to) return  9; if (from.wp10 == to) return 10; if (from.wp11 == to) return 11;
 511         if (from.wp12 == to) return 12; if (from.wp13 == to) return 13; if (from.wp14 == to) return 14; if (from.wp15 == to) return 15;
 512         if (from.wp16 == to) return 16; if (from.wp17 == to) return 17; if (from.wp18 == to) return 18; if (from.wp19 == to) return 19;
 513         if (from.wp20 == to) return 20; if (from.wp21 == to) return 21; if (from.wp22 == to) return 22; if (from.wp23 == to) return 23;
 514         if (from.wp24 == to) return 24; if (from.wp25 == to) return 25; if (from.wp26 == to) return 26; if (from.wp27 == to) return 27;
 515         if (from.wp28 == to) return 28; if (from.wp29 == to) return 29; if (from.wp30 == to) return 30; if (from.wp31 == to) return 31;
 516         return -1;
 517 }
 518
 519 bool waypoint_islinked(entity from, entity to)
 520 {
 521         return (waypoint_getlinknum(from, to) >= 0);
 522 }
 523
 524 void waypoint_updatecost_foralllinks()
 525 {
 526         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
 527         {
 528                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
 529                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
 530                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
 531                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
 532                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
 533                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
 534                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
 535                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
 536                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
 537                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
 538                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
 539                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
 540                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
 541                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
 542                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
 543                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
 544                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
 545                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
 546                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
 547                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
 548                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
 549                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
 550                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
 551                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
 552                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
 553                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
 554                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
 555                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
 556                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
 557                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
 558                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
 559                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
 560         });
 561 }
 562
 563 float waypoint_getlinearcost(float dist)
 564 {
 565         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
 566                 return dist / (autocvar_sv_maxspeed * 1.25);
 567         return dist / autocvar_sv_maxspeed;
 568 }
 569 float waypoint_getlinearcost_underwater(float dist)
 570 {
 571         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
 572         return dist / (autocvar_sv_maxspeed * 0.7);
 573 }
 574
 575 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
 576 {
 577         bool submerged_from = navigation_check_submerged_state(from_ent, from);
 578         bool submerged_to = navigation_check_submerged_state(to_ent, to);
 579
 580         if (submerged_from && submerged_to)
 581                 return waypoint_getlinearcost_underwater(vlen(to - from));
 582
 583         float c = waypoint_getlinearcost(vlen(to - from));
 584
 585         float height = from.z - to.z;
 586         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
 587         {
 588                 float height_cost = sqrt(height / (autocvar_sv_gravity / 2));
 589                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
 590                 if(height_cost > c)
 591                         c = height_cost;
 592         }
 593
 594         if (submerged_from || submerged_to)
 595                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
 596         return c;
 597 }
 598
 599 float waypoint_getlinkcost(entity from, entity to)
 600 {
 601         vector v1 = from.origin;
 602         vector v2 = to.origin;
 603         if (from.wpisbox)
 604         {
 605                 vector m1 = from.absmin, m2 = from.absmax;
 606                 v1.x = bound(m1.x, v2.x, m2.x);
 607                 v1.y = bound(m1.y, v2.y, m2.y);
 608                 v1.z = bound(m1.z, v2.z, m2.z);
 609         }
 610         if (to.wpisbox)
 611         {
 612                 vector m1 = to.absmin, m2 = to.absmax;
 613                 v2.x = bound(m1.x, v1.x, m2.x);
 614                 v2.y = bound(m1.y, v1.y, m2.y);
 615                 v2.z = bound(m1.z, v1.z, m2.z);
 616         }
 617         return waypoint_gettravelcost(v1, v2, from, to);
 618 }
 619
 620 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 621 // if c == -1 automatically determine cost of the link
 622 void waypoint_addlink_customcost(entity from, entity to, float c)
 623 {
 624         if (from == to || waypoint_islinked(from, to))
 625                 return;
 626         if (c == -1 && (from.wpflags & WAYPOINTFLAG_NORELINK))
 627                 return;
 628
 629         if(c == -1)
 630                 c = waypoint_getlinkcost(from, to);
 631
 632         if (from.wp31mincost < c) return;
 633         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 634         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 635         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 636         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 637         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 638         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 639         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 640         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 641         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 642         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 643         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 644         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 645         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 646         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 647         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 648         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 649         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 650         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 651         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 652         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 653         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 654         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 655         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 656         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 657         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 658         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 659         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 660         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 661         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 662         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 663         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 664         from.wp00 = to;from.wp00mincost = c;return;
 665 }
 666
 667 void waypoint_addlink(entity from, entity to)
 668 {
 669         waypoint_addlink_customcost(from, to, -1);
 670 }
 671
 672 // relink this spawnfunc_waypoint
 673 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 674 // (SLOW!)
 675 void waypoint_think(entity this)
 676 {
 677         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
 678         float sv2_height = 0, ev2_height = 0;
 679
 680         bot_calculate_stepheightvec();
 681
 682         int dphitcontentsmask_save = this.dphitcontentsmask;
 683         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 684
 685         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
 686
 687         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
 688         IL_EACH(g_waypoints, this != it,
 689         {
 690                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
 691                 {
 692                         waypoint_addlink(this, it);
 693                         waypoint_addlink(it, this);
 694                 }
 695                 else
 696                 {
 697                         ++relink_total;
 698                         if(!checkpvs(this.origin, it))
 699                         {
 700                                 ++relink_pvsculled;
 701                                 continue;
 702                         }
 703
 704                         sv = set_tracewalk_dest_2(this, it.origin);
 705                         sv2 = tracewalk_dest;
 706                         sv2_height = tracewalk_dest_height;
 707                         ev = set_tracewalk_dest_2(it, this.origin);
 708                         ev2 = tracewalk_dest;
 709                         ev2_height = tracewalk_dest_height;
 710
 711                         dv = ev - sv;
 712                         dv.z = 0;
 713                         if(vdist(dv, >=, 1050)) // max search distance in XY
 714                         {
 715                                 ++relink_lengthculled;
 716                                 continue;
 717                         }
 718
 719                         navigation_testtracewalk = 0;
 720
 721                         //traceline(this.origin, it.origin, false, NULL);
 722                         //if (trace_fraction == 1)
 723                         if (this.wpisbox)
 724                                 relink_walkculled += 0.5;
 725                         else
 726                         {
 727                                 if (tracewalk(this, sv, PL_MIN_CONST, PL_MAX_CONST, ev2, ev2_height, MOVE_NOMONSTERS))
 728                                         waypoint_addlink(this, it);
 729                                 else
 730                                         relink_walkculled += 0.5;
 731                         }
 732
 733                         if (it.wpisbox)
 734                                 relink_walkculled += 0.5;
 735                         else
 736                         {
 737                                 if (tracewalk(this, ev, PL_MIN_CONST, PL_MAX_CONST, sv2, sv2_height, MOVE_NOMONSTERS))
 738                                         waypoint_addlink(it, this);
 739                                 else
 740                                         relink_walkculled += 0.5;
 741                         }
 742                 }
 743         });
 744         navigation_testtracewalk = 0;
 745         this.wplinked = true;
 746         this.dphitcontentsmask = dphitcontentsmask_save;
 747 }
 748
 749 void waypoint_clearlinks(entity wp)
 750 {
 751         // clear links to other waypoints
 752         float f = 10000000;
 753         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
 754         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
 755         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
 756         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
 757
 758         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
 759         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
 760         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
 761         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
 762
 763         wp.wplinked = false;
 764 }
 765
 766 // tell a spawnfunc_waypoint to relink
 767 void waypoint_schedulerelink(entity wp)
 768 {
 769         if (wp == NULL)
 770                 return;
 771
 772         waypoint_setupmodel(wp);
 773         wp.wpisbox = vdist(wp.size, >, 0);
 774         wp.enemy = NULL;
 775         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
 776                 wp.owner = NULL;
 777         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 778                 waypoint_clearlinks(wp);
 779         // schedule an actual relink on next frame
 780         setthink(wp, waypoint_think);
 781         wp.nextthink = time;
 782         wp.effects = EF_LOWPRECISION;
 783 }
 784
 785 // spawnfunc_waypoint map entity
 786 spawnfunc(waypoint)
 787 {
 788         IL_PUSH(g_waypoints, this);
 789
 790         setorigin(this, this.origin);
 791         // schedule a relink after other waypoints have had a chance to spawn
 792         waypoint_clearlinks(this);
 793         //waypoint_schedulerelink(this);
 794 }
 795
 796 // tell all waypoints to relink
 797 // actually this is useful only to update relink_* stats
 798 void waypoint_schedulerelinkall()
 799 {
 800         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 801         IL_EACH(g_waypoints, true,
 802         {
 803                 waypoint_schedulerelink(it);
 804         });
 805         waypoint_load_links_hardwired();
 806 }
 807
 808 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
 809
 810 // Load waypoint links from file
 811 bool waypoint_load_links()
 812 {
 813         string s;
 814         float file, tokens, c = 0, found;
 815         entity wp_from = NULL, wp_to;
 816         vector wp_to_pos, wp_from_pos;
 817
 818         string gt_ext = GET_GAMETYPE_EXTENSION();
 819
 820         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
 821         file = fopen(filename, FILE_READ);
 822
 823         if (gt_ext != "" && file < 0)
 824         {
 825                 // if race waypoint file doesn't exist load the default one
 826                 filename = sprintf("maps/%s.waypoints.cache", mapname);
 827                 file = fopen(filename, FILE_READ);
 828         }
 829
 830         if (file < 0)
 831         {
 832                 LOG_TRACE("waypoint links load from ", filename, " failed");
 833                 waypoint_schedulerelinkall();
 834                 return false;
 835         }
 836
 837         bool parse_comments = true;
 838         float ver = 0;
 839         string links_time = string_null;
 840
 841         while ((s = fgets(file)))
 842         {
 843                 if(parse_comments)
 844                 {
 845                         if(substring(s, 0, 2) == "//")
 846                         {
 847                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
 848                                         ver = stof(substring(s, 19, -1));
 849                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
 850                                         links_time = substring(s, 16, -1);
 851                                 continue;
 852                         }
 853                         else
 854                         {
 855                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
 856                                 {
 857                                         if (links_time != waypoint_time)
 858                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
 859                                         else
 860                                                 LOG_TRACE("waypoint links for this map are outdated.");
 861                                         if (g_assault)
 862                                         {
 863                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
 864                                         }
 865                                         else
 866                                         {
 867                                                 LOG_TRACE("automatically updating...");
 868                                                 waypoint_schedulerelinkall();
 869                                                 fclose(file);
 870                                                 return false;
 871                                         }
 872                                 }
 873                                 parse_comments = false;
 874                         }
 875                 }
 876
 877                 tokens = tokenizebyseparator(s, "*");
 878
 879                 if (tokens!=2)
 880                 {
 881                         // bad file format
 882                         fclose(file);
 883                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
 884                         return false;
 885                 }
 886
 887                 wp_from_pos     = stov(argv(0));
 888                 wp_to_pos       = stov(argv(1));
 889
 890                 // Search "from" waypoint
 891                 if(!wp_from || wp_from.origin!=wp_from_pos)
 892                 {
 893                         wp_from = findradius(wp_from_pos, 1);
 894                         found = false;
 895                         while(wp_from)
 896                         {
 897                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
 898                                 if(wp_from.classname == "waypoint")
 899                                 {
 900                                         found = true;
 901                                         break;
 902                                 }
 903                                 wp_from = wp_from.chain;
 904                         }
 905
 906                         if(!found)
 907                         {
 908                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
 909                                 continue;
 910                         }
 911                 }
 912
 913                 // Search "to" waypoint
 914                 wp_to = findradius(wp_to_pos, 1);
 915                 found = false;
 916                 while(wp_to)
 917                 {
 918                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
 919                         if(wp_to.classname == "waypoint")
 920                         {
 921                                 found = true;
 922                                 break;
 923                         }
 924                         wp_to = wp_to.chain;
 925                 }
 926
 927                 if(!found)
 928                 {
 929                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
 930                         continue;
 931                 }
 932
 933                 ++c;
 934                 waypoint_addlink(wp_from, wp_to);
 935         }
 936
 937         fclose(file);
 938
 939         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
 940
 941         bool scheduled = false;
 942         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
 943         {
 944                 if (!it.wp00)
 945                 {
 946                         waypoint_schedulerelink(it);
 947                         scheduled = true;
 948                 }
 949         });
 950         if (scheduled)
 951                 return false;
 952
 953         botframe_cachedwaypointlinks = true;
 954         return true;
 955 }
 956
 957 void waypoint_load_or_remove_links_hardwired(bool removal_mode)
 958 {
 959         string s;
 960         float file, tokens, c = 0, found;
 961         entity wp_from = NULL, wp_to;
 962         vector wp_to_pos, wp_from_pos;
 963
 964         string gt_ext = GET_GAMETYPE_EXTENSION();
 965
 966         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
 967         file = fopen(filename, FILE_READ);
 968
 969         if (gt_ext != "" && file < 0)
 970         {
 971                 // if race waypoint file doesn't exist load the default one
 972                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
 973                 file = fopen(filename, FILE_READ);
 974         }
 975
 976         botframe_loadedforcedlinks = true;
 977
 978         if (file < 0)
 979         {
 980                 if(!removal_mode)
 981                         LOG_TRACE("waypoint links load from ", filename, " failed");
 982                 return;
 983         }
 984
 985         while ((s = fgets(file)))
 986         {
 987                 if(substring(s, 0, 2)=="//")
 988                         continue;
 989
 990                 if(substring(s, 0, 1)=="#")
 991                         continue;
 992
 993                 tokens = tokenizebyseparator(s, "*");
 994
 995                 if (tokens!=2)
 996                         continue;
 997
 998                 wp_from_pos     = stov(argv(0));
 999                 wp_to_pos       = stov(argv(1));
1000
1001                 // Search "from" waypoint
1002                 if(!wp_from || wp_from.origin!=wp_from_pos)
1003                 {
1004                         wp_from = findradius(wp_from_pos, 5);
1005                         found = false;
1006                         while(wp_from)
1007                         {
1008                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
1009                                 if(wp_from.classname == "waypoint")
1010                                 {
1011                                         found = true;
1012                                         break;
1013                                 }
1014                                 wp_from = wp_from.chain;
1015                         }
1016
1017                         if(!found)
1018                         {
1019                                 if(!removal_mode)
1020                                         LOG_INFO("NOTICE: Can not find origin waypoint for the hardwired link ", s, ". Path skipped");
1021                                 continue;
1022                         }
1023                 }
1024
1025                 // Search "to" waypoint
1026                 wp_to = findradius(wp_to_pos, 5);
1027                 found = false;
1028                 while(wp_to)
1029                 {
1030                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
1031                         if(wp_to.classname == "waypoint")
1032                         {
1033                                 found = true;
1034                                 break;
1035                         }
1036                         wp_to = wp_to.chain;
1037                 }
1038
1039                 if(!found)
1040                 {
1041                         if(!removal_mode)
1042                                 LOG_INFO("NOTICE: Can not find destination waypoint for the hardwired link ", s, ". Path skipped");
1043                         continue;
1044                 }
1045
1046                 ++c;
1047                 if(removal_mode)
1048                 {
1049                         waypoint_removelink(wp_from, wp_to);
1050                         continue;
1051                 }
1052
1053                 waypoint_addlink(wp_from, wp_to);
1054                 wp_from.wphardwired = true;
1055                 wp_to.wphardwired = true;
1056                 waypoint_setupmodel(wp_from);
1057                 waypoint_setupmodel(wp_to);
1058         }
1059
1060         fclose(file);
1061
1062         LOG_TRACE(((removal_mode) ? "unloaded " : "loaded "),
1063                 ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
1064 }
1065
1066 entity waypoint_get_link(entity w, float i)
1067 {
1068         switch(i)
1069         {
1070                 case  0:return w.wp00;
1071                 case  1:return w.wp01;
1072                 case  2:return w.wp02;
1073                 case  3:return w.wp03;
1074                 case  4:return w.wp04;
1075                 case  5:return w.wp05;
1076                 case  6:return w.wp06;
1077                 case  7:return w.wp07;
1078                 case  8:return w.wp08;
1079                 case  9:return w.wp09;
1080                 case 10:return w.wp10;
1081                 case 11:return w.wp11;
1082                 case 12:return w.wp12;
1083                 case 13:return w.wp13;
1084                 case 14:return w.wp14;
1085                 case 15:return w.wp15;
1086                 case 16:return w.wp16;
1087                 case 17:return w.wp17;
1088                 case 18:return w.wp18;
1089                 case 19:return w.wp19;
1090                 case 20:return w.wp20;
1091                 case 21:return w.wp21;
1092                 case 22:return w.wp22;
1093                 case 23:return w.wp23;
1094                 case 24:return w.wp24;
1095                 case 25:return w.wp25;
1096                 case 26:return w.wp26;
1097                 case 27:return w.wp27;
1098                 case 28:return w.wp28;
1099                 case 29:return w.wp29;
1100                 case 30:return w.wp30;
1101                 case 31:return w.wp31;
1102                 default:return NULL;
1103         }
1104 }
1105
1106 // Save all waypoint links to a file
1107 void waypoint_save_links()
1108 {
1109         // temporarily remove hardwired links so they don't get saved among normal links
1110         waypoint_remove_links_hardwired();
1111
1112         string gt_ext = GET_GAMETYPE_EXTENSION();
1113
1114         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1115         int file = fopen(filename, FILE_WRITE);
1116         if (file < 0)
1117         {
1118                 LOG_INFOF("waypoint link save to %s failed", filename);
1119                 return;
1120         }
1121
1122         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1123         if (waypoint_time != "")
1124                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1125
1126         int c = 0;
1127         IL_EACH(g_waypoints, true,
1128         {
1129                 for(int j = 0; j < 32; ++j)
1130                 {
1131                         entity link = waypoint_get_link(it, j);
1132                         if(link)
1133                         {
1134                                 // NOTE: vtos rounds vector components to 1 decimal place
1135                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1136                                 fputs(file, s);
1137                                 ++c;
1138                         }
1139                 }
1140         });
1141         fclose(file);
1142
1143         botframe_cachedwaypointlinks = true;
1144
1145         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1146
1147         waypoint_load_links_hardwired();
1148 }
1149
1150 // save waypoints to gamedir/data/maps/mapname.waypoints
1151 void waypoint_saveall()
1152 {
1153         string gt_ext = GET_GAMETYPE_EXTENSION();
1154
1155         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1156         int file = fopen(filename, FILE_WRITE);
1157         if (file < 0)
1158         {
1159                 waypoint_save_links(); // save anyway?
1160                 botframe_loadedforcedlinks = false;
1161
1162                 LOG_INFOF("waypoint links: save to %s failed", filename);
1163                 return;
1164         }
1165
1166         float sym = autocvar_g_waypointeditor_symmetrical;
1167         string sym_str = ftos(sym);
1168         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1169         {
1170                 if (sym == 1)
1171                 {
1172                         sym_str = cons(sym_str, "-");
1173                         sym_str = cons(sym_str, "-");
1174                 }
1175                 else
1176                 {
1177                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1178                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1179                 }
1180                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1181                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1182         }
1183         else if (autocvar_g_waypointeditor_symmetrical == -2)
1184         {
1185                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1186                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1187         }
1188
1189         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1190         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1191         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1192         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1193
1194         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1195         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1196         //fputs(file, strcat("//", "\n"));
1197         //fputs(file, strcat("//", "\n"));
1198         //fputs(file, strcat("//", "\n"));
1199
1200         int c = 0;
1201         IL_EACH(g_waypoints, true,
1202         {
1203                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1204                         continue;
1205
1206                 string s;
1207                 // NOTE: vtos rounds vector components to 1 decimal place
1208                 s = strcat(vtos(it.origin + it.mins), "\n");
1209                 s = strcat(s, vtos(it.origin + it.maxs));
1210                 s = strcat(s, "\n");
1211                 s = strcat(s, ftos(it.wpflags));
1212                 s = strcat(s, "\n");
1213                 fputs(file, s);
1214                 c++;
1215         });
1216         fclose(file);
1217         waypoint_save_links();
1218         botframe_loadedforcedlinks = false;
1219
1220         LOG_INFOF("saved %d waypoints to %s", c, filename);
1221 }
1222
1223 // load waypoints from file
1224 float waypoint_loadall()
1225 {
1226         string s;
1227         float file, cwp, cwb, fl;
1228         vector m1, m2;
1229         cwp = 0;
1230         cwb = 0;
1231
1232         string gt_ext = GET_GAMETYPE_EXTENSION();
1233
1234         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1235         file = fopen(filename, FILE_READ);
1236
1237         if (gt_ext != "" && file < 0)
1238         {
1239                 // if race waypoint file doesn't exist load the default one
1240                 filename = sprintf("maps/%s.waypoints", mapname);
1241                 file = fopen(filename, FILE_READ);
1242         }
1243
1244         if (file < 0)
1245         {
1246                 LOG_TRACE("waypoint load from ", filename, " failed");
1247                 return 0;
1248         }
1249
1250         bool parse_comments = true;
1251         float ver = 0;
1252         float sym = 0;
1253         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1254
1255         while ((s = fgets(file)))
1256         {
1257                 if(parse_comments)
1258                 {
1259                         if(substring(s, 0, 2) == "//")
1260                         {
1261                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1262                                         ver = stof(substring(s, 19, -1));
1263                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1264                                 {
1265                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1266                                         if (tokens) { sym = stof(argv(0)); }
1267                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1268                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1269                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1270                                 }
1271                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1272                                         strcpy(waypoint_time, substring(s, 16, -1));
1273                                 continue;
1274                         }
1275                         else
1276                         {
1277                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1278                                 {
1279                                         LOG_TRACE("waypoints for this map are outdated");
1280                                         LOG_TRACE("please update them in the editor");
1281                                 }
1282                                 parse_comments = false;
1283                         }
1284                 }
1285                 m1 = stov(s);
1286                 s = fgets(file);
1287                 if (!s)
1288                         break;
1289                 m2 = stov(s);
1290                 s = fgets(file);
1291                 if (!s)
1292                         break;
1293                 fl = stof(s);
1294                 waypoint_spawn(m1, m2, fl);
1295                 if (m1 == m2)
1296                         cwp = cwp + 1;
1297                 else
1298                         cwb = cwb + 1;
1299         }
1300         fclose(file);
1301         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1302
1303         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1304         {
1305                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1306                 if (sym == 1 && sym_param3 < 2)
1307                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1308                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1309                 {
1310                         string params;
1311                         if (sym == 1)
1312                                 params = cons("-", "-");
1313                         else
1314                         {
1315                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1316                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1317                         }
1318                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1319                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1320                 }
1321                 else if (sym == -2)
1322                 {
1323                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1324                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1325                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with axis ", params);
1326                 }
1327                 else
1328                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym));
1329                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1330         }
1331
1332         return cwp + cwb;
1333 }
1334
1335 #define waypoint_fixorigin(position, tracetest_ent) \
1336         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1337
1338 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1339 {
1340         vector endpos = position + down_dir * 3000;
1341         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1342         if(trace_startsolid)
1343                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1344         if(trace_startsolid)
1345                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1346         if(trace_fraction < 1)
1347                 position = trace_endpos;
1348         return position;
1349 }
1350
1351 void waypoint_spawnforitem_force(entity e, vector org)
1352 {
1353         // Fix the waypoint altitude if necessary
1354         org = waypoint_fixorigin(org, NULL);
1355
1356         // don't spawn an item spawnfunc_waypoint if it already exists
1357         IL_EACH(g_waypoints, true,
1358         {
1359                 if(it.wpisbox)
1360                 {
1361                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1362                         {
1363                                 e.nearestwaypoint = it;
1364                                 return;
1365                         }
1366                 }
1367                 else
1368                 {
1369                         if(vdist(it.origin - org, <, 16))
1370                         {
1371                                 e.nearestwaypoint = it;
1372                                 return;
1373                         }
1374                 }
1375         });
1376
1377         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1378 }
1379
1380 void waypoint_spawnforitem(entity e)
1381 {
1382         if(!bot_waypoints_for_items)
1383                 return;
1384
1385         waypoint_spawnforitem_force(e, e.origin);
1386 }
1387
1388 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1389 {
1390         entity w;
1391         entity dw;
1392         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag | WAYPOINTFLAG_NORELINK);
1393         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1394         // one way link to the destination
1395         w.wp00 = dw;
1396         w.wp00mincost = timetaken; // this is just for jump pads
1397         // the teleporter's nearest spawnfunc_waypoint is this one
1398         // (teleporters are not goals, so this is probably useless)
1399         e.nearestwaypoint = w;
1400         e.nearestwaypointtimeout = -1;
1401 }
1402
1403 void waypoint_spawnforteleporter_wz(entity e, entity tracetest_ent)
1404 {
1405         float src_angle = e.warpzone_angles.x;
1406         while (src_angle < -180) src_angle += 360;
1407         while (src_angle > 180) src_angle -= 360;
1408
1409         float dest_angle = e.enemy.warpzone_angles.x;
1410         while (dest_angle < -180) dest_angle += 360;
1411         while (dest_angle > 180) dest_angle -= 360;
1412
1413         // no waypoints for warpzones pointing upwards, they can't be used by the bots
1414         if (src_angle == -90 || dest_angle == -90)
1415                 return;
1416
1417         makevectors(e.warpzone_angles);
1418         vector src = (e.absmin + e.absmax) * 0.5;
1419         src += ((e.warpzone_origin - src) * v_forward) * v_forward + 16 * v_right;
1420         vector down_dir_src = -v_up;
1421
1422         makevectors(e.enemy.warpzone_angles);
1423         vector dest = (e.enemy.absmin + e.enemy.absmax) * 0.5;
1424         dest += ((e.enemy.warpzone_origin - dest) * v_forward) * v_forward - 16 * v_right;
1425         vector down_dir_dest = -v_up;
1426
1427         int extra_flag = 0;
1428         // don't snap to the ground waypoints for source warpzones pointing downwards
1429         if (src_angle != 90)
1430         {
1431                 src = waypoint_fixorigin_down_dir(src, tracetest_ent, down_dir_src);
1432                 dest = waypoint_fixorigin_down_dir(dest, tracetest_ent, down_dir_dest);
1433                 // oblique warpzones need a jump otherwise bots gets stuck
1434                 if (src_angle != 0)
1435                         extra_flag = WAYPOINTFLAG_JUMP;
1436         }
1437
1438         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT | extra_flag, src, src, dest, dest, 0);
1439 }
1440
1441 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
1442 {
1443         destination = waypoint_fixorigin(destination, tracetest_ent);
1444         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT, e.absmin - PL_MAX_CONST + '1 1 1', e.absmax - PL_MIN_CONST + '-1 -1 -1', destination, destination, timetaken);
1445 }
1446
1447 entity waypoint_spawnpersonal(entity this, vector position)
1448 {
1449         entity w;
1450
1451         // drop the waypoint to a proper location:
1452         //   first move it up by a player height
1453         //   then move it down to hit the floor with player bbox size
1454         position = waypoint_fixorigin(position, this);
1455
1456         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1457         w.nearestwaypoint = NULL;
1458         w.nearestwaypointtimeout = 0;
1459         w.owner = this;
1460
1461         waypoint_schedulerelink(w);
1462
1463         return w;
1464 }
1465
1466 void waypoint_showlink(entity wp1, entity wp2, int display_type)
1467 {
1468         if (!(wp1 && wp2))
1469                 return;
1470
1471         if (wp1.wphardwired && wp2.wphardwired)
1472                 te_beam(NULL, wp1.origin, wp2.origin);
1473         else if (display_type == 1)
1474                 te_lightning2(NULL, wp1.origin, wp2.origin);
1475 }
1476
1477 void waypoint_showlinks_to(entity wp, int display_type)
1478 {
1479         IL_EACH(g_waypoints, it != wp,
1480         {
1481                 if (waypoint_islinked(it, wp))
1482                         waypoint_showlink(it, wp, display_type);
1483         });
1484 }
1485
1486 void waypoint_showlinks_from(entity wp, int display_type)
1487 {
1488         waypoint_showlink(wp.wp00, wp, display_type); waypoint_showlink(wp.wp16, wp, display_type);
1489         waypoint_showlink(wp.wp01, wp, display_type); waypoint_showlink(wp.wp17, wp, display_type);
1490         waypoint_showlink(wp.wp02, wp, display_type); waypoint_showlink(wp.wp18, wp, display_type);
1491         waypoint_showlink(wp.wp03, wp, display_type); waypoint_showlink(wp.wp19, wp, display_type);
1492         waypoint_showlink(wp.wp04, wp, display_type); waypoint_showlink(wp.wp20, wp, display_type);
1493         waypoint_showlink(wp.wp05, wp, display_type); waypoint_showlink(wp.wp21, wp, display_type);
1494         waypoint_showlink(wp.wp06, wp, display_type); waypoint_showlink(wp.wp22, wp, display_type);
1495         waypoint_showlink(wp.wp07, wp, display_type); waypoint_showlink(wp.wp23, wp, display_type);
1496         waypoint_showlink(wp.wp08, wp, display_type); waypoint_showlink(wp.wp24, wp, display_type);
1497         waypoint_showlink(wp.wp09, wp, display_type); waypoint_showlink(wp.wp25, wp, display_type);
1498         waypoint_showlink(wp.wp10, wp, display_type); waypoint_showlink(wp.wp26, wp, display_type);
1499         waypoint_showlink(wp.wp11, wp, display_type); waypoint_showlink(wp.wp27, wp, display_type);
1500         waypoint_showlink(wp.wp12, wp, display_type); waypoint_showlink(wp.wp28, wp, display_type);
1501         waypoint_showlink(wp.wp13, wp, display_type); waypoint_showlink(wp.wp29, wp, display_type);
1502         waypoint_showlink(wp.wp14, wp, display_type); waypoint_showlink(wp.wp30, wp, display_type);
1503         waypoint_showlink(wp.wp15, wp, display_type); waypoint_showlink(wp.wp31, wp, display_type);
1504 }
1505
1506 void crosshair_trace_waypoints(entity pl)
1507 {
1508         IL_EACH(g_waypoints, true, {
1509                 it.solid = SOLID_BSP;
1510                 if (!it.wpisbox)
1511                         setsize(it, '-16 -16 -16', '16 16 16');
1512         });
1513
1514         crosshair_trace(pl);
1515
1516         IL_EACH(g_waypoints, true, {
1517                 it.solid = SOLID_TRIGGER;
1518                 if (!it.wpisbox)
1519                         setsize(it, '0 0 0', '0 0 0');
1520         });
1521         if (trace_ent.classname != "waypoint")
1522                 trace_ent = NULL;
1523 }
1524
1525 void botframe_showwaypointlinks()
1526 {
1527         if (time < botframe_waypointeditorlightningtime)
1528                 return;
1529         botframe_waypointeditorlightningtime = time + 0.5;
1530         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
1531         {
1532                 int display_type = 0;
1533                 if (PHYS_INPUT_BUTTON_USE(it))
1534                         it.wp_locked = it.wp_aimed;
1535                 entity head = it.wp_locked;
1536                 if (!head)
1537                         head = navigation_findnearestwaypoint(it, false);
1538                 it.nearestwaypoint = head; // mainly useful for debug
1539                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
1540                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE || it.wp_locked)
1541                         display_type = 1; // default
1542                 else if(head && (head.wphardwired))
1543                         display_type = 2; // only hardwired
1544
1545                 if (display_type)
1546                 {
1547                         //navigation_testtracewalk = true;
1548                         //print("currently selected WP is ", etos(head), "\n");
1549                         //navigation_testtracewalk = false;
1550                         if (head)
1551                         {
1552                                 te_lightning2(NULL, head.origin, it.origin);
1553                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
1554                                         waypoint_showlinks_to(head, display_type);
1555                                 else
1556                                         waypoint_showlinks_from(head, display_type);
1557                         }
1558                 }
1559                 string str;
1560                 entity wp = NULL;
1561                 if (vdist(vec2(it.velocity), <, autocvar_sv_maxspeed * 1.1))
1562                 {
1563                         crosshair_trace_waypoints(it);
1564                         if (trace_ent)
1565                         {
1566                                 wp = trace_ent;
1567                                 if (wp != it.wp_aimed)
1568                                 {
1569                                         str = sprintf("\necho ^2WP info^7: entity: %d, flags: %d, origin: '%s'\n", etof(wp), wp.wpflags, vtos(wp.origin));
1570                                         if (wp.wpisbox)
1571                                                 str = strcat(str, sprintf("echo \" absmin: '%s', absmax: '%s'\"\n", vtos(wp.absmin), vtos(wp.absmax)));
1572                                         stuffcmd(it, str);
1573                                         str = sprintf("entity: %d\nflags: %d\norigin: \'%s\'", etof(wp), wp.wpflags, vtos(wp.origin));
1574                                         if (wp.wpisbox)
1575                                                 str = strcat(str, sprintf(" \nabsmin: '%s'\nabsmax: '%s'", vtos(wp.absmin), vtos(wp.absmax)));
1576                                         debug_text_3d(wp.origin, str, 0, 7, '0 0 0');
1577                                 }
1578                         }
1579                 }
1580                 if (it.wp_aimed != wp)
1581                         it.wp_aimed = wp;
1582         });
1583 }
1584
1585 float botframe_autowaypoints_fixdown(vector v)
1586 {
1587         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
1588         if(trace_fraction >= 1)
1589                 return 0;
1590         return 1;
1591 }
1592
1593 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
1594 {
1595         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
1596         {
1597                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
1598                 return 0;
1599         });
1600
1601         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
1602         return 1;
1603 }
1604
1605 // return value:
1606 //    1 = WP created
1607 //    0 = no action needed
1608 //   -1 = temp fail, try from world too
1609 //   -2 = permanent fail, do not retry
1610 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
1611 {
1612         // make it possible to go from p to wp, if we can
1613         // if wp is NULL, nearest is chosen
1614
1615         entity w;
1616         vector porg;
1617         float t, tmin, tmax;
1618         vector o;
1619         vector save;
1620
1621         if(!botframe_autowaypoints_fixdown(p.origin))
1622                 return -2;
1623         porg = trace_endpos;
1624
1625         if(wp)
1626         {
1627                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
1628
1629                 // if wp -> porg, then OK
1630                 float maxdist;
1631                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
1632                 {
1633                         // we may find a better one
1634                         maxdist = vlen(wp.origin - porg);
1635                 }
1636                 else
1637                 {
1638                         // accept any "good"
1639                         maxdist = 2100;
1640                 }
1641
1642                 float bestdist = maxdist;
1643                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WAYPOINTFLAG_NORELINK),
1644                 {
1645                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
1646                         if(d < bestdist)
1647                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
1648                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
1649                         {
1650                                 bestdist = d;
1651                                 p.(fld) = it;
1652                         }
1653                 });
1654                 if(bestdist < maxdist)
1655                 {
1656                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
1657                         return 0;
1658                 }
1659
1660                 if(bestdist < 2100)
1661                 {
1662                         // we know maxdist < 2100
1663                         // so wp -> porg is still valid
1664                         // all is good
1665                         p.(fld) = wp;
1666                         return 0;
1667                 }
1668
1669                 // otherwise, no existing WP can fix our issues
1670         }
1671         else
1672         {
1673                 save = p.origin;
1674                 setorigin(p, porg);
1675                 w = navigation_findnearestwaypoint(p, walkfromwp);
1676                 setorigin(p, save);
1677                 if(w)
1678                 {
1679                         p.(fld) = w;
1680                         return 0;
1681                 }
1682         }
1683
1684         tmin = 0;
1685         tmax = 1;
1686         for (;;)
1687         {
1688                 if(tmax - tmin < 0.001)
1689                 {
1690                         // did not get a good candidate
1691                         return -1;
1692                 }
1693
1694                 t = (tmin + tmax) * 0.5;
1695                 o = antilag_takebackorigin(p, CS(p), time - t);
1696                 if(!botframe_autowaypoints_fixdown(o))
1697                         return -2;
1698                 o = trace_endpos;
1699
1700                 if(wp)
1701                 {
1702                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
1703                         {
1704                                 // we cannot walk from wp.origin to o
1705                                 // get closer to tmax
1706                                 tmin = t;
1707                                 continue;
1708                         }
1709                 }
1710                 else
1711                 {
1712                         save = p.origin;
1713                         setorigin(p, o);
1714                         w = navigation_findnearestwaypoint(p, walkfromwp);
1715                         setorigin(p, save);
1716                         if(!w)
1717                         {
1718                                 // we cannot walk from any WP to o
1719                                 // get closer to tmax
1720                                 tmin = t;
1721                                 continue;
1722                         }
1723                 }
1724
1725                 // if we get here, o is valid regarding waypoints
1726                 // check if o is connected right to the player
1727                 // we break if it succeeds, as that means o is a good waypoint location
1728                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
1729                         break;
1730
1731                 // o is no good, we need to get closer to the player
1732                 tmax = t;
1733         }
1734
1735         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
1736         botframe_autowaypoints_createwp(o, p, fld, 0);
1737         return 1;
1738 }
1739
1740 // automatically create missing waypoints
1741 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
1742 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
1743 {
1744         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
1745         if(r != -1)
1746                 return;
1747         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
1748         if(r != -1)
1749                 return;
1750
1751         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
1752         if(!botframe_autowaypoints_fixdown(p.origin))
1753                 return; // shouldn't happen, caught above
1754         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
1755 }
1756
1757 void botframe_deleteuselesswaypoints()
1758 {
1759         IL_EACH(g_items, it.bot_pickup,
1760         {
1761                 // NOTE: this protects waypoints if they're the ONLY nearest
1762                 // waypoint. That's the intention.
1763                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
1764                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
1765         });
1766         IL_EACH(g_waypoints, true,
1767         {
1768                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
1769                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
1770                 // WP is useful if:
1771                 if (it.wpflags & WAYPOINTFLAG_ITEM)
1772                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1773                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
1774                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1775                 if (it.wpflags & WAYPOINTFLAG_LADDER)
1776                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1777                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
1778                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1779                 // b) WP is closest WP for an item/spawnpoint/other entity
1780                 //    This has been done above by protecting these WPs.
1781         });
1782         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
1783         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
1784         {
1785                 for (int m = 0; m < 32; ++m)
1786                 {
1787                         entity w = waypoint_get_link(it, m);
1788                         if (!w)
1789                                 break;
1790                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
1791                                 continue;
1792                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
1793                                 continue;
1794                         for (int j = 0; j < 32; ++j)
1795                         {
1796                                 entity w2 = waypoint_get_link(w, j);
1797                                 if (!w2)
1798                                         break;
1799                                 if (it == w2)
1800                                         continue;
1801                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
1802                                         continue;
1803                                 // If we got here, it != w2 exist with it -> w
1804                                 // and w -> w2. That means the waypoint is not
1805                                 // a dead end.
1806                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
1807                                 for (int k = 0; k < 32; ++k)
1808                                 {
1809                                         if (waypoint_get_link(it, k) == w2)
1810                                                 continue;
1811                                         // IF WE GET HERE, w is proven useful
1812                                         // to get from it to w2!
1813                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1814                                         goto next;
1815                                 }
1816                         }
1817 LABEL(next)
1818                 }
1819         });
1820         // d) The waypoint is a dead end. Dead end waypoints must be kept as
1821         //     they are needed to complete routes while autowaypointing.
1822
1823         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
1824         {
1825                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
1826                 te_explosion(it.origin);
1827                 waypoint_remove(it);
1828                 break;
1829         });
1830
1831         IL_EACH(g_waypoints, true,
1832         {
1833                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
1834         });
1835 }
1836
1837 void botframe_autowaypoints()
1838 {
1839         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
1840                 // going back is broken, so only fix waypoints to walk TO the player
1841                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
1842                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
1843                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
1844         });
1845
1846         if (autocvar_g_waypointeditor_auto >= 2) {
1847                 botframe_deleteuselesswaypoints();
1848         }
1849 }
1850