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/debug.qh>
  16 #include <common/net_linked.qh>
  17 #include <common/physics/player.qh>
  18
  19 #include <lib/warpzone/common.qh>
  20 #include <lib/warpzone/util_server.qh>
  21
  22 .entity spawnpointmodel;
  23 void waypoint_unreachable(entity pl)
  24 {
  25         IL_EACH(g_waypoints, true,
  26         {
  27                 it.colormod = '0.5 0.5 0.5';
  28                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
  29         });
  30
  31         entity e2 = navigation_findnearestwaypoint(pl, false);
  32         if(!e2)
  33         {
  34                 LOG_INFO("Can't find any waypoint nearby\n");
  35                 return;
  36         }
  37
  38         navigation_markroutes(pl, e2);
  39
  40         int j = 0;
  41         int m = 0;
  42         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  43         {
  44                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
  45                 it.colormod_z = 8;
  46                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
  47                 j++;
  48                 m++;
  49         });
  50         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
  51         navigation_markroutes_inverted(e2);
  52
  53         j = 0;
  54         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  55         {
  56                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
  57                 it.colormod_x = 8;
  58                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
  59                         m++;
  60                 it.effects |= EF_NODEPTHTEST | EF_RED;
  61                 j++;
  62         });
  63         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
  64         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
  65
  66         j = 0;
  67         IL_EACH(g_spawnpoints, true,
  68         {
  69                 if (navigation_findnearestwaypoint(it, false))
  70                 {
  71                         if(it.spawnpointmodel)
  72                         {
  73                                 delete(it.spawnpointmodel);
  74                                 it.spawnpointmodel = NULL;
  75                         }
  76                 }
  77                 else
  78                 {
  79                         if(!it.spawnpointmodel)
  80                         {
  81                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
  82                                 entity e = new(spawnpointmodel);
  83                                 vector org = trace_endpos + eZ;
  84                                 setorigin(e, org);
  85                                 e.solid = SOLID_TRIGGER;
  86                                 it.spawnpointmodel = e;
  87                         }
  88                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
  89                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
  90                         _setmodel(it.spawnpointmodel, pl.model);
  91                         it.spawnpointmodel.frame = pl.frame;
  92                         it.spawnpointmodel.skin = pl.skin;
  93                         it.spawnpointmodel.colormap = pl.colormap;
  94                         it.spawnpointmodel.colormod = pl.colormod;
  95                         it.spawnpointmodel.glowmod = pl.glowmod;
  96                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
  97                         j++;
  98                 }
  99         });
 100         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
 101
 102         j = 0;
 103         IL_EACH(g_items, true,
 104         {
 105                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
 106                 it.colormod = '0.5 0.5 0.5';
 107         });
 108         IL_EACH(g_items, true,
 109         {
 110                 if (navigation_findnearestwaypoint(it, false))
 111                         continue;
 112                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 113                 it.effects |= EF_NODEPTHTEST | EF_RED;
 114                 it.colormod_x = 8;
 115                 j++;
 116         });
 117         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
 118
 119         j = 0;
 120         IL_EACH(g_items, true,
 121         {
 122                 if (navigation_findnearestwaypoint(it, true))
 123                         continue;
 124                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 125                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
 126                 it.colormod_z = 8;
 127                 j++;
 128         });
 129         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
 130 }
 131
 132 void waypoint_getSymmetricalAxis_cmd(entity caller, bool save, int arg_idx)
 133 {
 134         vector v1 = stov(argv(arg_idx++));
 135         vector v2 = stov(argv(arg_idx++));
 136         vector mid = (v1 + v2) / 2;
 137
 138         float diffy = (v2.y - v1.y);
 139         float diffx = (v2.x - v1.x);
 140         if (v1.y == v2.y)
 141                 diffy = 0.000001;
 142         if (v1.x == v2.x)
 143                 diffx = 0.000001;
 144         float m = - diffx / diffy;
 145         float q = - m * mid.x + mid.y;
 146         if (fabs(m) <= 0.000001) m = 0;
 147         if (fabs(q) <= 0.000001) q = 0;
 148
 149         string axis_str =  strcat(ftos(m), " ", ftos(q));
 150         if (save)
 151                 cvar_set("g_waypointeditor_symmetrical_axis", axis_str);
 152         axis_str = strcat("\"", axis_str, "\"");
 153         sprint(caller, strcat("Axis of symmetry based on input points: ", axis_str, "\n"));
 154         if (save)
 155                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_axis"));
 156         if (save)
 157         {
 158                 cvar_set("g_waypointeditor_symmetrical", "-2");
 159                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 160                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 161         }
 162 }
 163
 164 void waypoint_getSymmetricalOrigin_cmd(entity caller, bool save, int arg_idx)
 165 {
 166         vector org = '0 0 0';
 167         int ctf_flags = 0;
 168         for (int i = 0; i < 6; i++)
 169         {
 170                 if (argv(arg_idx + i) != "")
 171                         ctf_flags++;
 172         }
 173         if (ctf_flags < 2)
 174         {
 175                 ctf_flags = 0;
 176                 org = vec2(havocbot_middlepoint);
 177                 if (argv(arg_idx) != "")
 178                         sprint(caller, "WARNING: Ignoring single input point\n");
 179                 if (havocbot_middlepoint_radius == 0)
 180                 {
 181                         sprint(caller, "Origin of symmetry can't be automatically determined\n");
 182                         return;
 183                 }
 184         }
 185         else
 186         {
 187                 vector v1, v2, v3, v4, v5, v6;
 188                 for (int i = 1; i <= ctf_flags; i++)
 189                 {
 190                         if (i == 1) { v1 = stov(argv(arg_idx++)); org = v1 / ctf_flags; }
 191                         else if (i == 2) { v2 = stov(argv(arg_idx++)); org += v2 / ctf_flags; }
 192                         else if (i == 3) { v3 = stov(argv(arg_idx++)); org += v3 / ctf_flags; }
 193                         else if (i == 4) { v4 = stov(argv(arg_idx++)); org += v4 / ctf_flags; }
 194                         else if (i == 5) { v5 = stov(argv(arg_idx++)); org += v5 / ctf_flags; }
 195                         else if (i == 6) { v6 = stov(argv(arg_idx++)); org += v6 / ctf_flags; }
 196                 }
 197         }
 198
 199         if (fabs(org.x) <= 0.000001) org.x = 0;
 200         if (fabs(org.y) <= 0.000001) org.y = 0;
 201         string org_str = strcat(ftos(org.x), " ", ftos(org.y));
 202         if (save)
 203         {
 204                 cvar_set("g_waypointeditor_symmetrical_origin", org_str);
 205                 cvar_set("g_waypointeditor_symmetrical_order", ftos(ctf_flags));
 206         }
 207         org_str = strcat("\"", org_str, "\"");
 208
 209         if (ctf_flags < 2)
 210                 sprint(caller, strcat("Origin of symmetry based on flag positions: ", org_str, "\n"));
 211         else
 212                 sprint(caller, strcat("Origin of symmetry based on input points: ", org_str, "\n"));
 213         if (save)
 214                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_origin"));
 215
 216         if (ctf_flags < 2)
 217                 sprint(caller, "Order of symmetry: 0 (autodetected)\n");
 218         else
 219                 sprint(caller, strcat("Order of symmetry: ", ftos(ctf_flags), "\n"));
 220         if (save)
 221                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_order"));
 222
 223         if (save)
 224         {
 225                 if (ctf_flags < 2)
 226                         cvar_set("g_waypointeditor_symmetrical", "0");
 227                 else
 228                         cvar_set("g_waypointeditor_symmetrical", "-1");
 229                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 230                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 231         }
 232 }
 233
 234 vector waypoint_getSymmetricalPoint(vector org, int ctf_flags)
 235 {
 236         vector new_org = org;
 237         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
 238         {
 239                 vector map_center = havocbot_middlepoint;
 240                 if (autocvar_g_waypointeditor_symmetrical == -1)
 241                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
 242
 243                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
 244         }
 245         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
 246         {
 247                 float m = havocbot_symmetry_axis_m;
 248                 float q = havocbot_symmetry_axis_q;
 249                 if (autocvar_g_waypointeditor_symmetrical == -2)
 250                 {
 251                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
 252                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
 253                 }
 254
 255                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
 256                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
 257         }
 258         new_org.z = org.z;
 259         return new_org;
 260 }
 261
 262 void waypoint_setupmodel(entity wp)
 263 {
 264         if (autocvar_g_waypointeditor)
 265         {
 266                 // TODO: add some sort of visible box in edit mode for box waypoints
 267                 vector m1 = wp.mins;
 268                 vector m2 = wp.maxs;
 269                 setmodel(wp, MDL_WAYPOINT);
 270                 setsize(wp, m1, m2);
 271                 wp.effects = EF_LOWPRECISION;
 272                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 273                         wp.colormod = '1 0 0';
 274                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 275                         wp.colormod = '1 1 0';
 276                 else if (wp.wphardwired)
 277                         wp.colormod = '0.5 0 1';
 278                 else
 279                         wp.colormod = '1 1 1';
 280         }
 281         else
 282                 wp.model = "";
 283 }
 284
 285 entity waypoint_spawn(vector m1, vector m2, float f)
 286 {
 287         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
 288         {
 289                 vector em1 = m1 - '8 8 8';
 290                 vector em2 = m2 + '8 8 8';
 291                 IL_EACH(g_waypoints, boxesoverlap(em1, em2, it.absmin, it.absmax),
 292                 {
 293                         return it;
 294                 });
 295         }
 296         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
 297         // otherwise links loaded from file would be applied only to the first destination
 298         // waypoint since link format doesn't specify waypoint entities but just positions
 299         if((f & WAYPOINTFLAG_GENERATED) && !(f & (WAYPOINTFLAG_NORELINK | WAYPOINTFLAG_PERSONAL)) && m1 == m2)
 300         {
 301                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
 302                 {
 303                         return it;
 304                 });
 305         }
 306
 307         entity w = new(waypoint);
 308         IL_PUSH(g_waypoints, w);
 309         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 310         w.wpflags = f;
 311         w.solid = SOLID_TRIGGER;
 312         setorigin(w, (m1 + m2) * 0.5);
 313         setsize(w, m1 - w.origin, m2 - w.origin);
 314         if (w.size)
 315                 w.wpisbox = true;
 316
 317         if(!w.wpisbox)
 318         {
 319                 setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
 320                 if(!move_out_of_solid(w))
 321                 {
 322                         if(!(f & WAYPOINTFLAG_GENERATED))
 323                         {
 324                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
 325                                 delete(w);
 326                                 return NULL;
 327                         }
 328                         else
 329                         {
 330                                 if(autocvar_developer)
 331                                 {
 332                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
 333                                         backtrace("Waypoint stuck");
 334                                 }
 335                         }
 336                 }
 337                 setsize(w, '0 0 0', '0 0 0');
 338         }
 339
 340         waypoint_clearlinks(w);
 341         //waypoint_schedulerelink(w);
 342
 343         waypoint_setupmodel(w);
 344
 345         return w;
 346 }
 347
 348 void waypoint_spawn_fromeditor(entity pl, bool at_crosshair)
 349 {
 350         entity e;
 351         vector org = pl.origin;
 352         if (at_crosshair)
 353         {
 354                 crosshair_trace(pl);
 355                 org = trace_endpos - eZ * STAT(PL_MIN, pl).z;
 356         }
 357         int ctf_flags = havocbot_symmetry_origin_order;
 358         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 359                    || (autocvar_g_waypointeditor_symmetrical < 0));
 360         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 361                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 362         if (sym && ctf_flags < 2)
 363                 ctf_flags = 2;
 364         int wp_num = ctf_flags;
 365
 366         if(!PHYS_INPUT_BUTTON_CROUCH(pl) && !at_crosshair)
 367         {
 368                 // snap waypoint to item's origin if close enough
 369                 IL_EACH(g_items, true,
 370                 {
 371                         vector item_org = (it.absmin + it.absmax) * 0.5;
 372                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
 373                         if (vlen(item_org - org) < 20)
 374                         {
 375                                 org = item_org;
 376                                 break;
 377                         }
 378                 });
 379         }
 380
 381         LABEL(add_wp);
 382         e = waypoint_spawn(org, org, 0);
 383         if(!e)
 384         {
 385                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
 386                 return;
 387         }
 388         waypoint_schedulerelink(e);
 389         bprint(strcat("Waypoint spawned at ", vtos(e.origin), "\n"));
 390         if(sym)
 391         {
 392                 org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 393                 if (vdist(org - pl.origin, >, 32))
 394                 {
 395                         if(wp_num > 2)
 396                                 wp_num--;
 397                         else
 398                                 sym = false;
 399                         goto add_wp;
 400                 }
 401         }
 402 }
 403
 404 void waypoint_remove(entity wp)
 405 {
 406         IL_EACH(g_waypoints, it != wp,
 407         {
 408                 if (waypoint_islinked(it, wp))
 409                         waypoint_removelink(it, wp);
 410         });
 411         delete(wp);
 412 }
 413
 414 void waypoint_remove_fromeditor(entity pl)
 415 {
 416         entity e = navigation_findnearestwaypoint(pl, false);
 417
 418         int ctf_flags = havocbot_symmetry_origin_order;
 419         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 420                    || (autocvar_g_waypointeditor_symmetrical < 0));
 421         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 422                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 423         if (sym && ctf_flags < 2)
 424                 ctf_flags = 2;
 425         int wp_num = ctf_flags;
 426
 427         LABEL(remove_wp);
 428         if (!e) return;
 429         if (e.wpflags & WAYPOINTFLAG_GENERATED) return;
 430
 431         if (e.wphardwired)
 432         {
 433                 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");
 434                 return;
 435         }
 436
 437         entity wp_sym = NULL;
 438         if (sym)
 439         {
 440                 vector org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 441                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
 442                         if(vdist(org - it.origin, <, 3))
 443                         {
 444                                 wp_sym = it;
 445                                 break;
 446                         }
 447                 });
 448         }
 449
 450         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
 451         waypoint_remove(e);
 452
 453         if (sym && wp_sym)
 454         {
 455                 e = wp_sym;
 456                 if(wp_num > 2)
 457                         wp_num--;
 458                 else
 459                         sym = false;
 460                 goto remove_wp;
 461         }
 462 }
 463
 464 void waypoint_removelink(entity from, entity to)
 465 {
 466         if (from == to || (from.wpflags & WAYPOINTFLAG_NORELINK))
 467                 return;
 468
 469         entity fromwp31_prev = from.wp31;
 470
 471         switch (waypoint_getlinknum(from, to))
 472         {
 473                 // fallthrough all the way
 474                 case  0: from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;
 475                 case  1: from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;
 476                 case  2: from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;
 477                 case  3: from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;
 478                 case  4: from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;
 479                 case  5: from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;
 480                 case  6: from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;
 481                 case  7: from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;
 482                 case  8: from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;
 483                 case  9: from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;
 484                 case 10: from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;
 485                 case 11: from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;
 486                 case 12: from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;
 487                 case 13: from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;
 488                 case 14: from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;
 489                 case 15: from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;
 490                 case 16: from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;
 491                 case 17: from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;
 492                 case 18: from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;
 493                 case 19: from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;
 494                 case 20: from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;
 495                 case 21: from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;
 496                 case 22: from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;
 497                 case 23: from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;
 498                 case 24: from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;
 499                 case 25: from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;
 500                 case 26: from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;
 501                 case 27: from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;
 502                 case 28: from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;
 503                 case 29: from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;
 504                 case 30: from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;
 505                 case 31: from.wp31 = NULL; from.wp31mincost = 10000000;
 506         }
 507
 508         if (fromwp31_prev && !from.wp31)
 509                 waypoint_schedulerelink(from);
 510 }
 511
 512 int waypoint_getlinknum(entity from, entity to)
 513 {
 514         if (from.wp00 == to) return  0; if (from.wp01 == to) return  1; if (from.wp02 == to) return  2; if (from.wp03 == to) return  3;
 515         if (from.wp04 == to) return  4; if (from.wp05 == to) return  5; if (from.wp06 == to) return  6; if (from.wp07 == to) return  7;
 516         if (from.wp08 == to) return  8; if (from.wp09 == to) return  9; if (from.wp10 == to) return 10; if (from.wp11 == to) return 11;
 517         if (from.wp12 == to) return 12; if (from.wp13 == to) return 13; if (from.wp14 == to) return 14; if (from.wp15 == to) return 15;
 518         if (from.wp16 == to) return 16; if (from.wp17 == to) return 17; if (from.wp18 == to) return 18; if (from.wp19 == to) return 19;
 519         if (from.wp20 == to) return 20; if (from.wp21 == to) return 21; if (from.wp22 == to) return 22; if (from.wp23 == to) return 23;
 520         if (from.wp24 == to) return 24; if (from.wp25 == to) return 25; if (from.wp26 == to) return 26; if (from.wp27 == to) return 27;
 521         if (from.wp28 == to) return 28; if (from.wp29 == to) return 29; if (from.wp30 == to) return 30; if (from.wp31 == to) return 31;
 522         return -1;
 523 }
 524
 525 bool waypoint_islinked(entity from, entity to)
 526 {
 527         return (waypoint_getlinknum(from, to) >= 0);
 528 }
 529
 530 void waypoint_updatecost_foralllinks()
 531 {
 532         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
 533         {
 534                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
 535                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
 536                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
 537                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
 538                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
 539                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
 540                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
 541                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
 542                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
 543                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
 544                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
 545                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
 546                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
 547                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
 548                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
 549                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
 550                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
 551                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
 552                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
 553                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
 554                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
 555                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
 556                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
 557                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
 558                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
 559                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
 560                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
 561                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
 562                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
 563                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
 564                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
 565                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
 566         });
 567 }
 568
 569 float waypoint_getlinearcost(float dist)
 570 {
 571         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
 572                 return dist / (autocvar_sv_maxspeed * 1.25);
 573         return dist / autocvar_sv_maxspeed;
 574 }
 575 float waypoint_getlinearcost_underwater(float dist)
 576 {
 577         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
 578         return dist / (autocvar_sv_maxspeed * 0.7);
 579 }
 580
 581 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
 582 {
 583         bool submerged_from = navigation_check_submerged_state(from_ent, from);
 584         bool submerged_to = navigation_check_submerged_state(to_ent, to);
 585
 586         if (submerged_from && submerged_to)
 587                 return waypoint_getlinearcost_underwater(vlen(to - from));
 588
 589         float c = waypoint_getlinearcost(vlen(to - from));
 590
 591         float height = from.z - to.z;
 592         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
 593         {
 594                 float height_cost = sqrt(height / (autocvar_sv_gravity / 2));
 595                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
 596                 if(height_cost > c)
 597                         c = height_cost;
 598         }
 599
 600         if (submerged_from || submerged_to)
 601                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
 602         return c;
 603 }
 604
 605 float waypoint_getlinkcost(entity from, entity to)
 606 {
 607         vector v1 = from.origin;
 608         vector v2 = to.origin;
 609         if (from.wpisbox)
 610         {
 611                 vector m1 = from.absmin, m2 = from.absmax;
 612                 v1.x = bound(m1.x, v2.x, m2.x);
 613                 v1.y = bound(m1.y, v2.y, m2.y);
 614                 v1.z = bound(m1.z, v2.z, m2.z);
 615         }
 616         if (to.wpisbox)
 617         {
 618                 vector m1 = to.absmin, m2 = to.absmax;
 619                 v2.x = bound(m1.x, v1.x, m2.x);
 620                 v2.y = bound(m1.y, v1.y, m2.y);
 621                 v2.z = bound(m1.z, v1.z, m2.z);
 622         }
 623         return waypoint_gettravelcost(v1, v2, from, to);
 624 }
 625
 626 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 627 // if c == -1 automatically determine cost of the link
 628 void waypoint_addlink_customcost(entity from, entity to, float c)
 629 {
 630         if (from == to || waypoint_islinked(from, to))
 631                 return;
 632         if (c == -1 && (from.wpflags & WAYPOINTFLAG_NORELINK))
 633                 return;
 634
 635         if(c == -1)
 636                 c = waypoint_getlinkcost(from, to);
 637
 638         if (from.wp31mincost < c) return;
 639         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 640         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 641         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 642         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 643         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 644         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 645         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 646         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 647         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 648         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 649         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 650         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 651         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 652         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 653         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 654         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 655         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 656         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 657         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 658         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 659         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 660         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 661         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 662         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 663         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 664         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 665         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 666         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 667         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 668         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 669         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 670         from.wp00 = to;from.wp00mincost = c;return;
 671 }
 672
 673 void waypoint_addlink(entity from, entity to)
 674 {
 675         waypoint_addlink_customcost(from, to, -1);
 676 }
 677
 678 // relink this spawnfunc_waypoint
 679 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 680 // (SLOW!)
 681 void waypoint_think(entity this)
 682 {
 683         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
 684         float sv2_height = 0, ev2_height = 0;
 685
 686         bot_calculate_stepheightvec();
 687
 688         int dphitcontentsmask_save = this.dphitcontentsmask;
 689         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 690
 691         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
 692
 693         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
 694         IL_EACH(g_waypoints, this != it,
 695         {
 696                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
 697                 {
 698                         waypoint_addlink(this, it);
 699                         waypoint_addlink(it, this);
 700                 }
 701                 else
 702                 {
 703                         ++relink_total;
 704                         if(!checkpvs(this.origin, it))
 705                         {
 706                                 ++relink_pvsculled;
 707                                 continue;
 708                         }
 709
 710                         sv = set_tracewalk_dest_2(this, it.origin);
 711                         sv2 = tracewalk_dest;
 712                         sv2_height = tracewalk_dest_height;
 713                         ev = set_tracewalk_dest_2(it, this.origin);
 714                         ev2 = tracewalk_dest;
 715                         ev2_height = tracewalk_dest_height;
 716
 717                         dv = ev - sv;
 718                         dv.z = 0;
 719                         if(vdist(dv, >=, 1050)) // max search distance in XY
 720                         {
 721                                 ++relink_lengthculled;
 722                                 continue;
 723                         }
 724
 725                         navigation_testtracewalk = 0;
 726
 727                         //traceline(this.origin, it.origin, false, NULL);
 728                         //if (trace_fraction == 1)
 729                         if (this.wpisbox)
 730                                 relink_walkculled += 0.5;
 731                         else
 732                         {
 733                                 if (tracewalk(this, sv, PL_MIN_CONST, PL_MAX_CONST, ev2, ev2_height, MOVE_NOMONSTERS))
 734                                         waypoint_addlink(this, it);
 735                                 else
 736                                         relink_walkculled += 0.5;
 737                         }
 738
 739                         if (it.wpisbox)
 740                                 relink_walkculled += 0.5;
 741                         else
 742                         {
 743                                 if (tracewalk(this, ev, PL_MIN_CONST, PL_MAX_CONST, sv2, sv2_height, MOVE_NOMONSTERS))
 744                                         waypoint_addlink(it, this);
 745                                 else
 746                                         relink_walkculled += 0.5;
 747                         }
 748                 }
 749         });
 750         navigation_testtracewalk = 0;
 751         this.wplinked = true;
 752         this.dphitcontentsmask = dphitcontentsmask_save;
 753 }
 754
 755 void waypoint_clearlinks(entity wp)
 756 {
 757         // clear links to other waypoints
 758         float f = 10000000;
 759         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
 760         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
 761         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
 762         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
 763
 764         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
 765         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
 766         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
 767         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
 768
 769         wp.wplinked = false;
 770 }
 771
 772 // tell a spawnfunc_waypoint to relink
 773 void waypoint_schedulerelink(entity wp)
 774 {
 775         if (wp == NULL)
 776                 return;
 777
 778         waypoint_setupmodel(wp);
 779         wp.wpisbox = vdist(wp.size, >, 0);
 780         wp.enemy = NULL;
 781         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
 782                 wp.owner = NULL;
 783         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 784                 waypoint_clearlinks(wp);
 785         // schedule an actual relink on next frame
 786         setthink(wp, waypoint_think);
 787         wp.nextthink = time;
 788         wp.effects = EF_LOWPRECISION;
 789 }
 790
 791 // spawnfunc_waypoint map entity
 792 spawnfunc(waypoint)
 793 {
 794         IL_PUSH(g_waypoints, this);
 795
 796         setorigin(this, this.origin);
 797         // schedule a relink after other waypoints have had a chance to spawn
 798         waypoint_clearlinks(this);
 799         //waypoint_schedulerelink(this);
 800 }
 801
 802 // tell all waypoints to relink
 803 // actually this is useful only to update relink_* stats
 804 void waypoint_schedulerelinkall()
 805 {
 806         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 807         IL_EACH(g_waypoints, true,
 808         {
 809                 waypoint_schedulerelink(it);
 810         });
 811         waypoint_load_links_hardwired();
 812 }
 813
 814 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
 815
 816 // Load waypoint links from file
 817 bool waypoint_load_links()
 818 {
 819         string s;
 820         float file, tokens, c = 0, found;
 821         entity wp_from = NULL, wp_to;
 822         vector wp_to_pos, wp_from_pos;
 823
 824         string gt_ext = GET_GAMETYPE_EXTENSION();
 825
 826         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
 827         file = fopen(filename, FILE_READ);
 828
 829         if (gt_ext != "" && file < 0)
 830         {
 831                 // if race waypoint file doesn't exist load the default one
 832                 filename = sprintf("maps/%s.waypoints.cache", mapname);
 833                 file = fopen(filename, FILE_READ);
 834         }
 835
 836         if (file < 0)
 837         {
 838                 LOG_TRACE("waypoint links load from ", filename, " failed");
 839                 waypoint_schedulerelinkall();
 840                 return false;
 841         }
 842
 843         bool parse_comments = true;
 844         float ver = 0;
 845         string links_time = string_null;
 846
 847         while ((s = fgets(file)))
 848         {
 849                 if(parse_comments)
 850                 {
 851                         if(substring(s, 0, 2) == "//")
 852                         {
 853                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
 854                                         ver = stof(substring(s, 19, -1));
 855                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
 856                                         links_time = substring(s, 16, -1);
 857                                 continue;
 858                         }
 859                         else
 860                         {
 861                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
 862                                 {
 863                                         if (links_time != waypoint_time)
 864                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
 865                                         else
 866                                                 LOG_TRACE("waypoint links for this map are outdated.");
 867                                         if (g_assault)
 868                                         {
 869                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
 870                                         }
 871                                         else
 872                                         {
 873                                                 LOG_TRACE("automatically updating...");
 874                                                 waypoint_schedulerelinkall();
 875                                                 fclose(file);
 876                                                 return false;
 877                                         }
 878                                 }
 879                                 parse_comments = false;
 880                         }
 881                 }
 882
 883                 tokens = tokenizebyseparator(s, "*");
 884
 885                 if (tokens!=2)
 886                 {
 887                         // bad file format
 888                         fclose(file);
 889                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
 890                         return false;
 891                 }
 892
 893                 wp_from_pos     = stov(argv(0));
 894                 wp_to_pos       = stov(argv(1));
 895
 896                 // Search "from" waypoint
 897                 if(!wp_from || wp_from.origin!=wp_from_pos)
 898                 {
 899                         wp_from = findradius(wp_from_pos, 1);
 900                         found = false;
 901                         while(wp_from)
 902                         {
 903                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
 904                                 if(wp_from.classname == "waypoint")
 905                                 {
 906                                         found = true;
 907                                         break;
 908                                 }
 909                                 wp_from = wp_from.chain;
 910                         }
 911
 912                         if(!found)
 913                         {
 914                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
 915                                 continue;
 916                         }
 917                 }
 918
 919                 // Search "to" waypoint
 920                 wp_to = findradius(wp_to_pos, 1);
 921                 found = false;
 922                 while(wp_to)
 923                 {
 924                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
 925                         if(wp_to.classname == "waypoint")
 926                         {
 927                                 found = true;
 928                                 break;
 929                         }
 930                         wp_to = wp_to.chain;
 931                 }
 932
 933                 if(!found)
 934                 {
 935                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
 936                         continue;
 937                 }
 938
 939                 ++c;
 940                 waypoint_addlink(wp_from, wp_to);
 941         }
 942
 943         fclose(file);
 944
 945         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
 946
 947         bool scheduled = false;
 948         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
 949         {
 950                 if (!it.wp00)
 951                 {
 952                         waypoint_schedulerelink(it);
 953                         scheduled = true;
 954                 }
 955         });
 956         if (scheduled)
 957                 return false;
 958
 959         botframe_cachedwaypointlinks = true;
 960         return true;
 961 }
 962
 963 void waypoint_load_or_remove_links_hardwired(bool removal_mode)
 964 {
 965         string s;
 966         float file, tokens, c = 0, found;
 967         entity wp_from = NULL, wp_to;
 968         vector wp_to_pos, wp_from_pos;
 969
 970         string gt_ext = GET_GAMETYPE_EXTENSION();
 971
 972         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
 973         file = fopen(filename, FILE_READ);
 974
 975         if (gt_ext != "" && file < 0)
 976         {
 977                 // if race waypoint file doesn't exist load the default one
 978                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
 979                 file = fopen(filename, FILE_READ);
 980         }
 981
 982         botframe_loadedforcedlinks = true;
 983
 984         if (file < 0)
 985         {
 986                 if(!removal_mode)
 987                         LOG_TRACE("waypoint links load from ", filename, " failed");
 988                 return;
 989         }
 990
 991         while ((s = fgets(file)))
 992         {
 993                 if(substring(s, 0, 2)=="//")
 994                         continue;
 995
 996                 if(substring(s, 0, 1)=="#")
 997                         continue;
 998
 999                 tokens = tokenizebyseparator(s, "*");
1000
1001                 if (tokens!=2)
1002                         continue;
1003
1004                 wp_from_pos     = stov(argv(0));
1005                 wp_to_pos       = stov(argv(1));
1006
1007                 // Search "from" waypoint
1008                 if(!wp_from || wp_from.origin!=wp_from_pos)
1009                 {
1010                         wp_from = findradius(wp_from_pos, 5);
1011                         found = false;
1012                         while(wp_from)
1013                         {
1014                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
1015                                 if(wp_from.classname == "waypoint")
1016                                 {
1017                                         found = true;
1018                                         break;
1019                                 }
1020                                 wp_from = wp_from.chain;
1021                         }
1022
1023                         if(!found)
1024                         {
1025                                 if(!removal_mode)
1026                                         LOG_INFO("NOTICE: Can not find origin waypoint for the hardwired link ", s, ". Path skipped");
1027                                 continue;
1028                         }
1029                 }
1030
1031                 // Search "to" waypoint
1032                 wp_to = findradius(wp_to_pos, 5);
1033                 found = false;
1034                 while(wp_to)
1035                 {
1036                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
1037                         if(wp_to.classname == "waypoint")
1038                         {
1039                                 found = true;
1040                                 break;
1041                         }
1042                         wp_to = wp_to.chain;
1043                 }
1044
1045                 if(!found)
1046                 {
1047                         if(!removal_mode)
1048                                 LOG_INFO("NOTICE: Can not find destination waypoint for the hardwired link ", s, ". Path skipped");
1049                         continue;
1050                 }
1051
1052                 ++c;
1053                 if(removal_mode)
1054                 {
1055                         waypoint_removelink(wp_from, wp_to);
1056                         continue;
1057                 }
1058
1059                 waypoint_addlink(wp_from, wp_to);
1060                 wp_from.wphardwired = true;
1061                 wp_to.wphardwired = true;
1062                 waypoint_setupmodel(wp_from);
1063                 waypoint_setupmodel(wp_to);
1064         }
1065
1066         fclose(file);
1067
1068         LOG_TRACE(((removal_mode) ? "unloaded " : "loaded "),
1069                 ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
1070 }
1071
1072 entity waypoint_get_link(entity w, float i)
1073 {
1074         switch(i)
1075         {
1076                 case  0:return w.wp00;
1077                 case  1:return w.wp01;
1078                 case  2:return w.wp02;
1079                 case  3:return w.wp03;
1080                 case  4:return w.wp04;
1081                 case  5:return w.wp05;
1082                 case  6:return w.wp06;
1083                 case  7:return w.wp07;
1084                 case  8:return w.wp08;
1085                 case  9:return w.wp09;
1086                 case 10:return w.wp10;
1087                 case 11:return w.wp11;
1088                 case 12:return w.wp12;
1089                 case 13:return w.wp13;
1090                 case 14:return w.wp14;
1091                 case 15:return w.wp15;
1092                 case 16:return w.wp16;
1093                 case 17:return w.wp17;
1094                 case 18:return w.wp18;
1095                 case 19:return w.wp19;
1096                 case 20:return w.wp20;
1097                 case 21:return w.wp21;
1098                 case 22:return w.wp22;
1099                 case 23:return w.wp23;
1100                 case 24:return w.wp24;
1101                 case 25:return w.wp25;
1102                 case 26:return w.wp26;
1103                 case 27:return w.wp27;
1104                 case 28:return w.wp28;
1105                 case 29:return w.wp29;
1106                 case 30:return w.wp30;
1107                 case 31:return w.wp31;
1108                 default:return NULL;
1109         }
1110 }
1111
1112 // Save all waypoint links to a file
1113 void waypoint_save_links()
1114 {
1115         // temporarily remove hardwired links so they don't get saved among normal links
1116         waypoint_remove_links_hardwired();
1117
1118         string gt_ext = GET_GAMETYPE_EXTENSION();
1119
1120         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1121         int file = fopen(filename, FILE_WRITE);
1122         if (file < 0)
1123         {
1124                 LOG_INFOF("waypoint link save to %s failed", filename);
1125                 return;
1126         }
1127
1128         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1129         if (waypoint_time != "")
1130                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1131
1132         int c = 0;
1133         IL_EACH(g_waypoints, true,
1134         {
1135                 for(int j = 0; j < 32; ++j)
1136                 {
1137                         entity link = waypoint_get_link(it, j);
1138                         if(link)
1139                         {
1140                                 // NOTE: vtos rounds vector components to 1 decimal place
1141                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1142                                 fputs(file, s);
1143                                 ++c;
1144                         }
1145                 }
1146         });
1147         fclose(file);
1148
1149         botframe_cachedwaypointlinks = true;
1150
1151         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1152
1153         waypoint_load_links_hardwired();
1154 }
1155
1156 // save waypoints to gamedir/data/maps/mapname.waypoints
1157 void waypoint_saveall()
1158 {
1159         string gt_ext = GET_GAMETYPE_EXTENSION();
1160
1161         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1162         int file = fopen(filename, FILE_WRITE);
1163         if (file < 0)
1164         {
1165                 waypoint_save_links(); // save anyway?
1166                 botframe_loadedforcedlinks = false;
1167
1168                 LOG_INFOF("waypoint links: save to %s failed", filename);
1169                 return;
1170         }
1171
1172         float sym = autocvar_g_waypointeditor_symmetrical;
1173         string sym_str = ftos(sym);
1174         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1175         {
1176                 if (sym == 1)
1177                 {
1178                         sym_str = cons(sym_str, "-");
1179                         sym_str = cons(sym_str, "-");
1180                 }
1181                 else
1182                 {
1183                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1184                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1185                 }
1186                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1187                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1188         }
1189         else if (autocvar_g_waypointeditor_symmetrical == -2)
1190         {
1191                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1192                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1193         }
1194
1195         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1196         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1197         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1198         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1199
1200         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1201         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1202         //fputs(file, strcat("//", "\n"));
1203         //fputs(file, strcat("//", "\n"));
1204         //fputs(file, strcat("//", "\n"));
1205
1206         int c = 0;
1207         IL_EACH(g_waypoints, true,
1208         {
1209                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1210                         continue;
1211
1212                 string s;
1213                 // NOTE: vtos rounds vector components to 1 decimal place
1214                 s = strcat(vtos(it.origin + it.mins), "\n");
1215                 s = strcat(s, vtos(it.origin + it.maxs));
1216                 s = strcat(s, "\n");
1217                 s = strcat(s, ftos(it.wpflags));
1218                 s = strcat(s, "\n");
1219                 fputs(file, s);
1220                 c++;
1221         });
1222         fclose(file);
1223         waypoint_save_links();
1224         botframe_loadedforcedlinks = false;
1225
1226         LOG_INFOF("saved %d waypoints to %s", c, filename);
1227 }
1228
1229 // load waypoints from file
1230 float waypoint_loadall()
1231 {
1232         string s;
1233         float file, cwp, cwb, fl;
1234         vector m1, m2;
1235         cwp = 0;
1236         cwb = 0;
1237
1238         string gt_ext = GET_GAMETYPE_EXTENSION();
1239
1240         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1241         file = fopen(filename, FILE_READ);
1242
1243         if (gt_ext != "" && file < 0)
1244         {
1245                 // if race waypoint file doesn't exist load the default one
1246                 filename = sprintf("maps/%s.waypoints", mapname);
1247                 file = fopen(filename, FILE_READ);
1248         }
1249
1250         if (file < 0)
1251         {
1252                 LOG_TRACE("waypoint load from ", filename, " failed");
1253                 return 0;
1254         }
1255
1256         bool parse_comments = true;
1257         float ver = 0;
1258         float sym = 0;
1259         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1260
1261         while ((s = fgets(file)))
1262         {
1263                 if(parse_comments)
1264                 {
1265                         if(substring(s, 0, 2) == "//")
1266                         {
1267                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1268                                         ver = stof(substring(s, 19, -1));
1269                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1270                                 {
1271                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1272                                         if (tokens) { sym = stof(argv(0)); }
1273                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1274                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1275                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1276                                 }
1277                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1278                                         strcpy(waypoint_time, substring(s, 16, -1));
1279                                 continue;
1280                         }
1281                         else
1282                         {
1283                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1284                                 {
1285                                         LOG_TRACE("waypoints for this map are outdated");
1286                                         LOG_TRACE("please update them in the editor");
1287                                 }
1288                                 parse_comments = false;
1289                         }
1290                 }
1291                 m1 = stov(s);
1292                 s = fgets(file);
1293                 if (!s)
1294                         break;
1295                 m2 = stov(s);
1296                 s = fgets(file);
1297                 if (!s)
1298                         break;
1299                 fl = stof(s);
1300                 waypoint_spawn(m1, m2, fl);
1301                 if (m1 == m2)
1302                         cwp = cwp + 1;
1303                 else
1304                         cwb = cwb + 1;
1305         }
1306         fclose(file);
1307         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1308
1309         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1310         {
1311                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1312                 if (sym == 1 && sym_param3 < 2)
1313                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1314                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1315                 {
1316                         string params;
1317                         if (sym == 1)
1318                                 params = cons("-", "-");
1319                         else
1320                         {
1321                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1322                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1323                         }
1324                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1325                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1326                 }
1327                 else if (sym == -2)
1328                 {
1329                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1330                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1331                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with axis ", params);
1332                 }
1333                 else
1334                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym));
1335                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1336         }
1337
1338         return cwp + cwb;
1339 }
1340
1341 #define waypoint_fixorigin(position, tracetest_ent) \
1342         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1343
1344 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1345 {
1346         vector endpos = position + down_dir * 3000;
1347         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1348         if(trace_startsolid)
1349                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1350         if(trace_startsolid)
1351                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1352         if(trace_fraction < 1)
1353                 position = trace_endpos;
1354         return position;
1355 }
1356
1357 void waypoint_spawnforitem_force(entity e, vector org)
1358 {
1359         // Fix the waypoint altitude if necessary
1360         org = waypoint_fixorigin(org, NULL);
1361
1362         // don't spawn an item spawnfunc_waypoint if it already exists
1363         IL_EACH(g_waypoints, true,
1364         {
1365                 if(it.wpisbox)
1366                 {
1367                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1368                         {
1369                                 e.nearestwaypoint = it;
1370                                 return;
1371                         }
1372                 }
1373                 else
1374                 {
1375                         if(vdist(it.origin - org, <, 16))
1376                         {
1377                                 e.nearestwaypoint = it;
1378                                 return;
1379                         }
1380                 }
1381         });
1382
1383         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1384 }
1385
1386 void waypoint_spawnforitem(entity e)
1387 {
1388         if(!bot_waypoints_for_items)
1389                 return;
1390
1391         waypoint_spawnforitem_force(e, e.origin);
1392 }
1393
1394 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1395 {
1396         entity w;
1397         entity dw;
1398         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag | WAYPOINTFLAG_NORELINK);
1399         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1400         // one way link to the destination
1401         w.wp00 = dw;
1402         w.wp00mincost = timetaken; // this is just for jump pads
1403         // the teleporter's nearest spawnfunc_waypoint is this one
1404         // (teleporters are not goals, so this is probably useless)
1405         e.nearestwaypoint = w;
1406         e.nearestwaypointtimeout = -1;
1407 }
1408
1409 void waypoint_spawnforteleporter_wz(entity e, entity tracetest_ent)
1410 {
1411         float src_angle = e.warpzone_angles.x;
1412         while (src_angle < -180) src_angle += 360;
1413         while (src_angle > 180) src_angle -= 360;
1414
1415         float dest_angle = e.enemy.warpzone_angles.x;
1416         while (dest_angle < -180) dest_angle += 360;
1417         while (dest_angle > 180) dest_angle -= 360;
1418
1419         // no waypoints for warpzones pointing upwards, they can't be used by the bots
1420         if (src_angle == -90 || dest_angle == -90)
1421                 return;
1422
1423         makevectors(e.warpzone_angles);
1424         vector src = (e.absmin + e.absmax) * 0.5;
1425         src += ((e.warpzone_origin - src) * v_forward) * v_forward + 16 * v_right;
1426         vector down_dir_src = -v_up;
1427
1428         makevectors(e.enemy.warpzone_angles);
1429         vector dest = (e.enemy.absmin + e.enemy.absmax) * 0.5;
1430         dest += ((e.enemy.warpzone_origin - dest) * v_forward) * v_forward - 16 * v_right;
1431         vector down_dir_dest = -v_up;
1432
1433         int extra_flag = 0;
1434         // don't snap to the ground waypoints for source warpzones pointing downwards
1435         if (src_angle != 90)
1436         {
1437                 src = waypoint_fixorigin_down_dir(src, tracetest_ent, down_dir_src);
1438                 dest = waypoint_fixorigin_down_dir(dest, tracetest_ent, down_dir_dest);
1439                 // oblique warpzones need a jump otherwise bots gets stuck
1440                 if (src_angle != 0)
1441                         extra_flag = WAYPOINTFLAG_JUMP;
1442         }
1443
1444         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT | extra_flag, src, src, dest, dest, 0);
1445 }
1446
1447 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
1448 {
1449         destination = waypoint_fixorigin(destination, tracetest_ent);
1450         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);
1451 }
1452
1453 entity waypoint_spawnpersonal(entity this, vector position)
1454 {
1455         entity w;
1456
1457         // drop the waypoint to a proper location:
1458         //   first move it up by a player height
1459         //   then move it down to hit the floor with player bbox size
1460         position = waypoint_fixorigin(position, this);
1461
1462         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1463         w.nearestwaypoint = NULL;
1464         w.nearestwaypointtimeout = 0;
1465         w.owner = this;
1466
1467         waypoint_schedulerelink(w);
1468
1469         return w;
1470 }
1471
1472 void waypoint_showlink(entity wp1, entity wp2, int display_type)
1473 {
1474         if (!(wp1 && wp2))
1475                 return;
1476
1477         if (wp1.wphardwired && wp2.wphardwired)
1478                 te_beam(NULL, wp1.origin, wp2.origin);
1479         else if (display_type == 1)
1480                 te_lightning2(NULL, wp1.origin, wp2.origin);
1481 }
1482
1483 void waypoint_showlinks_to(entity wp, int display_type)
1484 {
1485         IL_EACH(g_waypoints, it != wp,
1486         {
1487                 if (waypoint_islinked(it, wp))
1488                         waypoint_showlink(it, wp, display_type);
1489         });
1490 }
1491
1492 void waypoint_showlinks_from(entity wp, int display_type)
1493 {
1494         waypoint_showlink(wp.wp00, wp, display_type); waypoint_showlink(wp.wp16, wp, display_type);
1495         waypoint_showlink(wp.wp01, wp, display_type); waypoint_showlink(wp.wp17, wp, display_type);
1496         waypoint_showlink(wp.wp02, wp, display_type); waypoint_showlink(wp.wp18, wp, display_type);
1497         waypoint_showlink(wp.wp03, wp, display_type); waypoint_showlink(wp.wp19, wp, display_type);
1498         waypoint_showlink(wp.wp04, wp, display_type); waypoint_showlink(wp.wp20, wp, display_type);
1499         waypoint_showlink(wp.wp05, wp, display_type); waypoint_showlink(wp.wp21, wp, display_type);
1500         waypoint_showlink(wp.wp06, wp, display_type); waypoint_showlink(wp.wp22, wp, display_type);
1501         waypoint_showlink(wp.wp07, wp, display_type); waypoint_showlink(wp.wp23, wp, display_type);
1502         waypoint_showlink(wp.wp08, wp, display_type); waypoint_showlink(wp.wp24, wp, display_type);
1503         waypoint_showlink(wp.wp09, wp, display_type); waypoint_showlink(wp.wp25, wp, display_type);
1504         waypoint_showlink(wp.wp10, wp, display_type); waypoint_showlink(wp.wp26, wp, display_type);
1505         waypoint_showlink(wp.wp11, wp, display_type); waypoint_showlink(wp.wp27, wp, display_type);
1506         waypoint_showlink(wp.wp12, wp, display_type); waypoint_showlink(wp.wp28, wp, display_type);
1507         waypoint_showlink(wp.wp13, wp, display_type); waypoint_showlink(wp.wp29, wp, display_type);
1508         waypoint_showlink(wp.wp14, wp, display_type); waypoint_showlink(wp.wp30, wp, display_type);
1509         waypoint_showlink(wp.wp15, wp, display_type); waypoint_showlink(wp.wp31, wp, display_type);
1510 }
1511
1512 void crosshair_trace_waypoints(entity pl)
1513 {
1514         IL_EACH(g_waypoints, true, {
1515                 it.solid = SOLID_BSP;
1516                 if (!it.wpisbox)
1517                         setsize(it, '-16 -16 -16', '16 16 16');
1518         });
1519
1520         crosshair_trace(pl);
1521
1522         IL_EACH(g_waypoints, true, {
1523                 it.solid = SOLID_TRIGGER;
1524                 if (!it.wpisbox)
1525                         setsize(it, '0 0 0', '0 0 0');
1526         });
1527         if (trace_ent.classname != "waypoint")
1528                 trace_ent = NULL;
1529 }
1530
1531 void botframe_showwaypointlinks()
1532 {
1533         if (time < botframe_waypointeditorlightningtime)
1534                 return;
1535         botframe_waypointeditorlightningtime = time + 0.5;
1536         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
1537         {
1538                 int display_type = 0;
1539                 if (wasfreed(it.wp_aimed))
1540                         it.wp_aimed = NULL;
1541                 if (wasfreed(it.wp_locked))
1542                         it.wp_locked = NULL;
1543                 if (PHYS_INPUT_BUTTON_USE(it))
1544                         it.wp_locked = it.wp_aimed;
1545                 entity head = it.wp_locked;
1546                 if (!head)
1547                         head = navigation_findnearestwaypoint(it, false);
1548                 it.nearestwaypoint = head; // mainly useful for debug
1549                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
1550                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE || it.wp_locked)
1551                         display_type = 1; // default
1552                 else if(head && (head.wphardwired))
1553                         display_type = 2; // only hardwired
1554
1555                 if (display_type)
1556                 {
1557                         //navigation_testtracewalk = true;
1558                         //print("currently selected WP is ", etos(head), "\n");
1559                         //navigation_testtracewalk = false;
1560                         if (head)
1561                         {
1562                                 te_lightning2(NULL, head.origin, it.origin);
1563                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
1564                                         waypoint_showlinks_to(head, display_type);
1565                                 else
1566                                         waypoint_showlinks_from(head, display_type);
1567                         }
1568                 }
1569                 string str;
1570                 entity wp = NULL;
1571                 if (vdist(vec2(it.velocity), <, autocvar_sv_maxspeed * 1.1))
1572                 {
1573                         crosshair_trace_waypoints(it);
1574                         if (trace_ent)
1575                         {
1576                                 wp = trace_ent;
1577                                 if (wp != it.wp_aimed)
1578                                 {
1579                                         str = sprintf("\necho ^2WP info^7: entity: %d, flags: %d, origin: '%s'\n", etof(wp), wp.wpflags, vtos(wp.origin));
1580                                         if (wp.wpisbox)
1581                                                 str = strcat(str, sprintf("echo \" absmin: '%s', absmax: '%s'\"\n", vtos(wp.absmin), vtos(wp.absmax)));
1582                                         stuffcmd(it, str);
1583                                         str = sprintf("entity: %d\nflags: %d\norigin: \'%s\'", etof(wp), wp.wpflags, vtos(wp.origin));
1584                                         if (wp.wpisbox)
1585                                                 str = strcat(str, sprintf(" \nabsmin: '%s'\nabsmax: '%s'", vtos(wp.absmin), vtos(wp.absmax)));
1586                                         debug_text_3d(wp.origin, str, 0, 7, '0 0 0');
1587                                 }
1588                         }
1589                 }
1590                 if (it.wp_aimed != wp)
1591                         it.wp_aimed = wp;
1592         });
1593 }
1594
1595 float botframe_autowaypoints_fixdown(vector v)
1596 {
1597         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
1598         if(trace_fraction >= 1)
1599                 return 0;
1600         return 1;
1601 }
1602
1603 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
1604 {
1605         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
1606         {
1607                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
1608                 return 0;
1609         });
1610
1611         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
1612         return 1;
1613 }
1614
1615 // return value:
1616 //    1 = WP created
1617 //    0 = no action needed
1618 //   -1 = temp fail, try from world too
1619 //   -2 = permanent fail, do not retry
1620 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
1621 {
1622         // make it possible to go from p to wp, if we can
1623         // if wp is NULL, nearest is chosen
1624
1625         entity w;
1626         vector porg;
1627         float t, tmin, tmax;
1628         vector o;
1629         vector save;
1630
1631         if(!botframe_autowaypoints_fixdown(p.origin))
1632                 return -2;
1633         porg = trace_endpos;
1634
1635         if(wp)
1636         {
1637                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
1638
1639                 // if wp -> porg, then OK
1640                 float maxdist;
1641                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
1642                 {
1643                         // we may find a better one
1644                         maxdist = vlen(wp.origin - porg);
1645                 }
1646                 else
1647                 {
1648                         // accept any "good"
1649                         maxdist = 2100;
1650                 }
1651
1652                 float bestdist = maxdist;
1653                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WAYPOINTFLAG_NORELINK),
1654                 {
1655                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
1656                         if(d < bestdist)
1657                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
1658                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
1659                         {
1660                                 bestdist = d;
1661                                 p.(fld) = it;
1662                         }
1663                 });
1664                 if(bestdist < maxdist)
1665                 {
1666                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
1667                         return 0;
1668                 }
1669
1670                 if(bestdist < 2100)
1671                 {
1672                         // we know maxdist < 2100
1673                         // so wp -> porg is still valid
1674                         // all is good
1675                         p.(fld) = wp;
1676                         return 0;
1677                 }
1678
1679                 // otherwise, no existing WP can fix our issues
1680         }
1681         else
1682         {
1683                 save = p.origin;
1684                 setorigin(p, porg);
1685                 w = navigation_findnearestwaypoint(p, walkfromwp);
1686                 setorigin(p, save);
1687                 if(w)
1688                 {
1689                         p.(fld) = w;
1690                         return 0;
1691                 }
1692         }
1693
1694         tmin = 0;
1695         tmax = 1;
1696         for (;;)
1697         {
1698                 if(tmax - tmin < 0.001)
1699                 {
1700                         // did not get a good candidate
1701                         return -1;
1702                 }
1703
1704                 t = (tmin + tmax) * 0.5;
1705                 o = antilag_takebackorigin(p, CS(p), time - t);
1706                 if(!botframe_autowaypoints_fixdown(o))
1707                         return -2;
1708                 o = trace_endpos;
1709
1710                 if(wp)
1711                 {
1712                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
1713                         {
1714                                 // we cannot walk from wp.origin to o
1715                                 // get closer to tmax
1716                                 tmin = t;
1717                                 continue;
1718                         }
1719                 }
1720                 else
1721                 {
1722                         save = p.origin;
1723                         setorigin(p, o);
1724                         w = navigation_findnearestwaypoint(p, walkfromwp);
1725                         setorigin(p, save);
1726                         if(!w)
1727                         {
1728                                 // we cannot walk from any WP to o
1729                                 // get closer to tmax
1730                                 tmin = t;
1731                                 continue;
1732                         }
1733                 }
1734
1735                 // if we get here, o is valid regarding waypoints
1736                 // check if o is connected right to the player
1737                 // we break if it succeeds, as that means o is a good waypoint location
1738                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
1739                         break;
1740
1741                 // o is no good, we need to get closer to the player
1742                 tmax = t;
1743         }
1744
1745         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
1746         botframe_autowaypoints_createwp(o, p, fld, 0);
1747         return 1;
1748 }
1749
1750 // automatically create missing waypoints
1751 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
1752 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
1753 {
1754         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
1755         if(r != -1)
1756                 return;
1757         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
1758         if(r != -1)
1759                 return;
1760
1761         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
1762         if(!botframe_autowaypoints_fixdown(p.origin))
1763                 return; // shouldn't happen, caught above
1764         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
1765 }
1766
1767 void botframe_deleteuselesswaypoints()
1768 {
1769         IL_EACH(g_items, it.bot_pickup,
1770         {
1771                 // NOTE: this protects waypoints if they're the ONLY nearest
1772                 // waypoint. That's the intention.
1773                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
1774                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
1775         });
1776         IL_EACH(g_waypoints, true,
1777         {
1778                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
1779                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
1780                 // WP is useful if:
1781                 if (it.wpflags & WAYPOINTFLAG_ITEM)
1782                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1783                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
1784                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1785                 if (it.wpflags & WAYPOINTFLAG_LADDER)
1786                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1787                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
1788                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1789                 // b) WP is closest WP for an item/spawnpoint/other entity
1790                 //    This has been done above by protecting these WPs.
1791         });
1792         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
1793         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
1794         {
1795                 for (int m = 0; m < 32; ++m)
1796                 {
1797                         entity w = waypoint_get_link(it, m);
1798                         if (!w)
1799                                 break;
1800                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
1801                                 continue;
1802                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
1803                                 continue;
1804                         for (int j = 0; j < 32; ++j)
1805                         {
1806                                 entity w2 = waypoint_get_link(w, j);
1807                                 if (!w2)
1808                                         break;
1809                                 if (it == w2)
1810                                         continue;
1811                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
1812                                         continue;
1813                                 // If we got here, it != w2 exist with it -> w
1814                                 // and w -> w2. That means the waypoint is not
1815                                 // a dead end.
1816                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
1817                                 for (int k = 0; k < 32; ++k)
1818                                 {
1819                                         if (waypoint_get_link(it, k) == w2)
1820                                                 continue;
1821                                         // IF WE GET HERE, w is proven useful
1822                                         // to get from it to w2!
1823                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1824                                         goto next;
1825                                 }
1826                         }
1827 LABEL(next)
1828                 }
1829         });
1830         // d) The waypoint is a dead end. Dead end waypoints must be kept as
1831         //     they are needed to complete routes while autowaypointing.
1832
1833         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
1834         {
1835                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
1836                 te_explosion(it.origin);
1837                 waypoint_remove(it);
1838                 break;
1839         });
1840
1841         IL_EACH(g_waypoints, true,
1842         {
1843                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
1844         });
1845 }
1846
1847 void botframe_autowaypoints()
1848 {
1849         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
1850                 // going back is broken, so only fix waypoints to walk TO the player
1851                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
1852                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
1853                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
1854         });
1855
1856         if (autocvar_g_waypointeditor_auto >= 2) {
1857                 botframe_deleteuselesswaypoints();
1858         }
1859 }
1860