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/mapobjects/trigger/jumppads.qh>
  17 #include <common/net_linked.qh>
  18 #include <common/physics/player.qh>
  19
  20 #include <lib/warpzone/common.qh>
  21 #include <lib/warpzone/util_server.qh>
  22
  23 .entity spawnpointmodel;
  24 void waypoint_unreachable(entity pl)
  25 {
  26         IL_EACH(g_waypoints, true,
  27         {
  28                 it.colormod = '0.5 0.5 0.5';
  29                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
  30         });
  31
  32         entity e2 = navigation_findnearestwaypoint(pl, false);
  33         if(!e2)
  34         {
  35                 LOG_INFO("Can't find any waypoint nearby\n");
  36                 return;
  37         }
  38
  39         navigation_markroutes(pl, e2);
  40
  41         int j = 0;
  42         int m = 0;
  43         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  44         {
  45                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
  46                 it.colormod_z = 8;
  47                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
  48                 j++;
  49                 m++;
  50         });
  51         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
  52         navigation_markroutes_inverted(e2);
  53
  54         j = 0;
  55         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  56         {
  57                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
  58                 it.colormod_x = 8;
  59                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
  60                         m++;
  61                 it.effects |= EF_NODEPTHTEST | EF_RED;
  62                 j++;
  63         });
  64         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
  65         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
  66
  67         j = 0;
  68         IL_EACH(g_spawnpoints, true,
  69         {
  70                 if (navigation_findnearestwaypoint(it, false))
  71                 {
  72                         if(it.spawnpointmodel)
  73                         {
  74                                 delete(it.spawnpointmodel);
  75                                 it.spawnpointmodel = NULL;
  76                         }
  77                 }
  78                 else
  79                 {
  80                         if(!it.spawnpointmodel)
  81                         {
  82                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
  83                                 entity e = new(spawnpointmodel);
  84                                 vector org = trace_endpos + eZ;
  85                                 setorigin(e, org);
  86                                 e.solid = SOLID_TRIGGER;
  87                                 it.spawnpointmodel = e;
  88                         }
  89                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
  90                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
  91                         _setmodel(it.spawnpointmodel, pl.model);
  92                         it.spawnpointmodel.frame = pl.frame;
  93                         it.spawnpointmodel.skin = pl.skin;
  94                         it.spawnpointmodel.colormap = pl.colormap;
  95                         it.spawnpointmodel.colormod = pl.colormod;
  96                         it.spawnpointmodel.glowmod = pl.glowmod;
  97                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
  98                         j++;
  99                 }
 100         });
 101         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
 102
 103         j = 0;
 104         IL_EACH(g_items, true,
 105         {
 106                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
 107                 it.colormod = '0.5 0.5 0.5';
 108         });
 109         IL_EACH(g_items, true,
 110         {
 111                 if (navigation_findnearestwaypoint(it, false))
 112                         continue;
 113                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 114                 it.effects |= EF_NODEPTHTEST | EF_RED;
 115                 it.colormod_x = 8;
 116                 j++;
 117         });
 118         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
 119
 120         j = 0;
 121         IL_EACH(g_items, true,
 122         {
 123                 if (navigation_findnearestwaypoint(it, true))
 124                         continue;
 125                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 126                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
 127                 it.colormod_z = 8;
 128                 j++;
 129         });
 130         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
 131 }
 132
 133 void waypoint_getSymmetricalAxis_cmd(entity caller, bool save, int arg_idx)
 134 {
 135         vector v1 = stov(argv(arg_idx++));
 136         vector v2 = stov(argv(arg_idx++));
 137         vector mid = (v1 + v2) / 2;
 138
 139         float diffy = (v2.y - v1.y);
 140         float diffx = (v2.x - v1.x);
 141         if (v1.y == v2.y)
 142                 diffy = 0.000001;
 143         if (v1.x == v2.x)
 144                 diffx = 0.000001;
 145         float m = - diffx / diffy;
 146         float q = - m * mid.x + mid.y;
 147         if (fabs(m) <= 0.000001) m = 0;
 148         if (fabs(q) <= 0.000001) q = 0;
 149
 150         string axis_str =  strcat(ftos(m), " ", ftos(q));
 151         if (save)
 152                 cvar_set("g_waypointeditor_symmetrical_axis", axis_str);
 153         axis_str = strcat("\"", axis_str, "\"");
 154         sprint(caller, strcat("Axis of symmetry based on input points: ", axis_str, "\n"));
 155         if (save)
 156                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_axis"));
 157         if (save)
 158         {
 159                 cvar_set("g_waypointeditor_symmetrical", "-2");
 160                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 161                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 162         }
 163 }
 164
 165 void waypoint_getSymmetricalOrigin_cmd(entity caller, bool save, int arg_idx)
 166 {
 167         vector org = '0 0 0';
 168         int ctf_flags = 0;
 169         for (int i = 0; i < 6; i++)
 170         {
 171                 if (argv(arg_idx + i) != "")
 172                         ctf_flags++;
 173         }
 174         if (ctf_flags < 2)
 175         {
 176                 ctf_flags = 0;
 177                 org = vec2(havocbot_middlepoint);
 178                 if (argv(arg_idx) != "")
 179                         sprint(caller, "WARNING: Ignoring single input point\n");
 180                 if (havocbot_middlepoint_radius == 0)
 181                 {
 182                         sprint(caller, "Origin of symmetry can't be automatically determined\n");
 183                         return;
 184                 }
 185         }
 186         else
 187         {
 188                 vector v1, v2, v3, v4, v5, v6;
 189                 for (int i = 1; i <= ctf_flags; i++)
 190                 {
 191                         if (i == 1) { v1 = stov(argv(arg_idx++)); org = v1 / ctf_flags; }
 192                         else if (i == 2) { v2 = stov(argv(arg_idx++)); org += v2 / ctf_flags; }
 193                         else if (i == 3) { v3 = stov(argv(arg_idx++)); org += v3 / ctf_flags; }
 194                         else if (i == 4) { v4 = stov(argv(arg_idx++)); org += v4 / ctf_flags; }
 195                         else if (i == 5) { v5 = stov(argv(arg_idx++)); org += v5 / ctf_flags; }
 196                         else if (i == 6) { v6 = stov(argv(arg_idx++)); org += v6 / ctf_flags; }
 197                 }
 198         }
 199
 200         if (fabs(org.x) <= 0.000001) org.x = 0;
 201         if (fabs(org.y) <= 0.000001) org.y = 0;
 202         string org_str = strcat(ftos(org.x), " ", ftos(org.y));
 203         if (save)
 204         {
 205                 cvar_set("g_waypointeditor_symmetrical_origin", org_str);
 206                 cvar_set("g_waypointeditor_symmetrical_order", ftos(ctf_flags));
 207         }
 208         org_str = strcat("\"", org_str, "\"");
 209
 210         if (ctf_flags < 2)
 211                 sprint(caller, strcat("Origin of symmetry based on flag positions: ", org_str, "\n"));
 212         else
 213                 sprint(caller, strcat("Origin of symmetry based on input points: ", org_str, "\n"));
 214         if (save)
 215                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_origin"));
 216
 217         if (ctf_flags < 2)
 218                 sprint(caller, "Order of symmetry: 0 (autodetected)\n");
 219         else
 220                 sprint(caller, strcat("Order of symmetry: ", ftos(ctf_flags), "\n"));
 221         if (save)
 222                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_order"));
 223
 224         if (save)
 225         {
 226                 if (ctf_flags < 2)
 227                         cvar_set("g_waypointeditor_symmetrical", "0");
 228                 else
 229                         cvar_set("g_waypointeditor_symmetrical", "-1");
 230                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 231                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 232         }
 233 }
 234
 235 vector waypoint_getSymmetricalPoint(vector org, int ctf_flags)
 236 {
 237         vector new_org = org;
 238         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
 239         {
 240                 vector map_center = havocbot_middlepoint;
 241                 if (autocvar_g_waypointeditor_symmetrical == -1)
 242                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
 243
 244                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
 245         }
 246         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
 247         {
 248                 float m = havocbot_symmetry_axis_m;
 249                 float q = havocbot_symmetry_axis_q;
 250                 if (autocvar_g_waypointeditor_symmetrical == -2)
 251                 {
 252                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
 253                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
 254                 }
 255
 256                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
 257                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
 258         }
 259         new_org.z = org.z;
 260         return new_org;
 261 }
 262
 263 bool waypoint_has_hardwiredlinks(entity wp)
 264 {
 265         if (!wp)
 266                 return false;
 267         return (wp.wphw00 != NULL);
 268 }
 269
 270 bool waypoint_is_hardwiredlink(entity wp_from, entity wp_to)
 271 {
 272         if (!(wp_from && wp_to))
 273                 return false;
 274
 275         if (!wp_from.wphw00) return false; else if (wp_from.wphw00 == wp_to) return true;
 276         if (!wp_from.wphw01) return false; else if (wp_from.wphw01 == wp_to) return true;
 277         if (!wp_from.wphw02) return false; else if (wp_from.wphw02 == wp_to) return true;
 278         if (!wp_from.wphw03) return false; else if (wp_from.wphw03 == wp_to) return true;
 279         if (!wp_from.wphw04) return false; else if (wp_from.wphw04 == wp_to) return true;
 280         if (!wp_from.wphw05) return false; else if (wp_from.wphw05 == wp_to) return true;
 281         if (!wp_from.wphw06) return false; else if (wp_from.wphw06 == wp_to) return true;
 282         if (!wp_from.wphw07) return false; else if (wp_from.wphw07 == wp_to) return true;
 283
 284         return false;
 285 }
 286
 287 void waypoint_setupmodel(entity wp);
 288 void waypoint_mark_hardwiredlink(entity wp_from, entity wp_to)
 289 {
 290         if (!(wp_from && wp_to))
 291                 return;
 292
 293         if (!wp_from.wphw00 || wp_from.wphw00 == wp_to) { wp_from.wphw00 = wp_to; waypoint_setupmodel(wp_from); return; }
 294         if (!wp_from.wphw01 || wp_from.wphw01 == wp_to) { wp_from.wphw01 = wp_to; return; }
 295         if (!wp_from.wphw02 || wp_from.wphw02 == wp_to) { wp_from.wphw02 = wp_to; return; }
 296         if (!wp_from.wphw03 || wp_from.wphw03 == wp_to) { wp_from.wphw03 = wp_to; return; }
 297         if (!wp_from.wphw04 || wp_from.wphw04 == wp_to) { wp_from.wphw04 = wp_to; return; }
 298         if (!wp_from.wphw05 || wp_from.wphw05 == wp_to) { wp_from.wphw05 = wp_to; return; }
 299         if (!wp_from.wphw06 || wp_from.wphw06 == wp_to) { wp_from.wphw06 = wp_to; return; }
 300         if (!wp_from.wphw07 || wp_from.wphw07 == wp_to) { wp_from.wphw07 = wp_to; return; }
 301
 302         return;
 303 }
 304
 305 void waypoint_unmark_hardwiredlink(entity wp_from, entity wp_to)
 306 {
 307         if (!(wp_from && wp_to))
 308                 return;
 309
 310         int removed = -1;
 311         if (removed < 0 && wp_from.wphw00 == wp_to) removed = 0;
 312         if (removed < 0 && wp_from.wphw01 == wp_to) removed = 1;
 313         if (removed < 0 && wp_from.wphw02 == wp_to) removed = 2;
 314         if (removed < 0 && wp_from.wphw03 == wp_to) removed = 3;
 315         if (removed < 0 && wp_from.wphw04 == wp_to) removed = 4;
 316         if (removed < 0 && wp_from.wphw05 == wp_to) removed = 5;
 317         if (removed < 0 && wp_from.wphw06 == wp_to) removed = 6;
 318         if (removed < 0 && wp_from.wphw07 == wp_to) removed = 7;
 319
 320         if (removed >= 0)
 321         {
 322                 if (removed <= 0) wp_from.wphw00 = wp_from.wphw01;
 323                 if (removed <= 1) wp_from.wphw01 = wp_from.wphw02;
 324                 if (removed <= 2) wp_from.wphw02 = wp_from.wphw03;
 325                 if (removed <= 3) wp_from.wphw03 = wp_from.wphw04;
 326                 if (removed <= 4) wp_from.wphw04 = wp_from.wphw05;
 327                 if (removed <= 5) wp_from.wphw05 = wp_from.wphw06;
 328                 if (removed <= 6) wp_from.wphw06 = wp_from.wphw07;
 329                 if (removed <= 7) wp_from.wphw07 = NULL;
 330                 if (!wp_from.wphw00)
 331                         waypoint_setupmodel(wp_from);
 332         }
 333
 334         return;
 335 }
 336
 337 void waypoint_setupmodel(entity wp)
 338 {
 339         if (autocvar_g_waypointeditor)
 340         {
 341                 // TODO: add some sort of visible box in edit mode for box waypoints
 342                 vector m1 = wp.mins;
 343                 vector m2 = wp.maxs;
 344                 setmodel(wp, MDL_WAYPOINT);
 345                 setsize(wp, m1, m2);
 346                 wp.effects = EF_LOWPRECISION;
 347                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 348                         wp.colormod = '1 0 0'; // red
 349                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 350                         wp.colormod = '1 1 0'; // yellow
 351                 else if (wp.wpflags & WAYPOINTFLAG_SUPPORT)
 352                         wp.colormod = '0 1 0'; // green
 353                 else if (wp.wpflags & WAYPOINTFLAG_NORELINK)
 354                         wp.colormod = '1 0.5 0'; // orange
 355                 else if (wp.wpflags & WAYPOINTFLAG_CROUCH)
 356                         wp.colormod = '0 1 1'; // cyan
 357                 else if (waypoint_has_hardwiredlinks(wp))
 358                         wp.colormod = '0.5 0 1'; // purple
 359                 else
 360                         wp.colormod = '1 1 1';
 361         }
 362         else
 363                 wp.model = "";
 364 }
 365
 366 entity waypoint_get(vector m1, vector m2)
 367 {
 368         if (m1 == m2)
 369         {
 370                 m1 -= '8 8 8';
 371                 m2 += '8 8 8';
 372         }
 373         IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax), { return it; });
 374
 375         return NULL;
 376 }
 377
 378 .float createdtime;
 379 entity waypoint_spawn(vector m1, vector m2, float f)
 380 {
 381         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
 382         {
 383                 entity wp_found = waypoint_get(m1, m2);
 384                 if (wp_found)
 385                         return wp_found;
 386         }
 387         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
 388         // otherwise links loaded from file would be applied only to the first destination
 389         // waypoint since link format doesn't specify waypoint entities but just positions
 390         if((f & WAYPOINTFLAG_GENERATED) && !(f & (WAYPOINTFLAG_NORELINK | WAYPOINTFLAG_PERSONAL)) && m1 == m2)
 391         {
 392                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
 393                 {
 394                         return it;
 395                 });
 396         }
 397
 398         entity w = new(waypoint);
 399         IL_PUSH(g_waypoints, w);
 400         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 401         w.wpflags = f;
 402         w.solid = SOLID_TRIGGER;
 403         w.createdtime = time;
 404         setorigin(w, (m1 + m2) * 0.5);
 405         setsize(w, m1 - w.origin, m2 - w.origin);
 406         if (w.size)
 407                 w.wpisbox = true;
 408
 409         if(!w.wpisbox)
 410         {
 411                 if (f & WAYPOINTFLAG_CROUCH)
 412                         setsize(w, PL_CROUCH_MIN_CONST - '1 1 0', PL_CROUCH_MAX_CONST + '1 1 0');
 413                 else
 414                         setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
 415                 if(!move_out_of_solid(w))
 416                 {
 417                         if(!(f & WAYPOINTFLAG_GENERATED))
 418                         {
 419                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
 420                                 delete(w);
 421                                 return NULL;
 422                         }
 423                         else
 424                         {
 425                                 if(autocvar_developer)
 426                                 {
 427                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
 428                                         backtrace("Waypoint stuck");
 429                                 }
 430                         }
 431                 }
 432                 setsize(w, '0 0 0', '0 0 0');
 433         }
 434
 435         waypoint_clearlinks(w);
 436         //waypoint_schedulerelink(w);
 437
 438         waypoint_setupmodel(w);
 439
 440         return w;
 441 }
 442
 443 float trigger_push_get_push_time(entity this, vector endpos);
 444 void waypoint_addlink_for_custom_jumppad(entity wp_from, entity wp_to)
 445 {
 446         entity jp = NULL;
 447         IL_EACH(g_jumppads, boxesoverlap(wp_from.absmin, wp_from.absmax, it.absmin, it.absmax),
 448         {
 449                 jp = it;
 450                 break;
 451         });
 452         if (!jp)
 453                 return;
 454
 455         float cost = trigger_push_get_push_time(jp, wp_to.origin);
 456         wp_from.wp00 = wp_to;
 457         wp_from.wp00mincost = cost;
 458         jp.nearestwaypoint = wp_from;
 459         jp.nearestwaypointtimeout = -1;
 460 }
 461
 462 bool start_wp_is_spawned;
 463 vector start_wp_origin;
 464 bool start_wp_is_hardwired;
 465 bool start_wp_is_support;
 466
 467 void waypoint_clear_start_wp(entity pl, bool warn)
 468 {
 469         start_wp_is_spawned = false;
 470         start_wp_origin = '0 0 0';
 471         pl.wp_locked = NULL;
 472         start_wp_is_hardwired = false;
 473         start_wp_is_support = false;
 474         if (warn)
 475                 LOG_INFO("^xf80Start waypoint has been cleared.\n");
 476 }
 477
 478 void waypoint_start_hardwiredlink(entity pl)
 479 {
 480         entity wp = pl.nearestwaypoint;
 481         if ((!start_wp_is_spawned || start_wp_is_hardwired) && wp && !(wp.wpflags & WAYPOINTFLAG_NORELINK))
 482         {
 483                 start_wp_is_hardwired = true;
 484                 start_wp_is_spawned = true;
 485                 start_wp_origin = wp.origin;
 486                 pl.wp_locked = wp;
 487                 LOG_INFOF("^x80fNearest waypoint %s marked as hardwired link origin.\n", vtos(wp.origin));
 488         }
 489         else
 490                 start_wp_is_hardwired = false;
 491 }
 492
 493 void waypoint_spawn_fromeditor(entity pl, bool at_crosshair, bool is_jump_wp, bool is_crouch_wp, bool is_support_wp)
 494 {
 495         if (WAYPOINT_VERSION < waypoint_version_loaded)
 496         {
 497                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 498                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 499                 return;
 500         }
 501
 502         entity e = NULL, jp = NULL;
 503         vector org = pl.origin;
 504         if (at_crosshair)
 505         {
 506                 crosshair_trace(pl);
 507                 org = trace_endpos - eZ * PL_MIN_CONST.z;
 508                 IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 509                 {
 510                         jp = it;
 511                         break;
 512                 });
 513         }
 514         if (jp || is_jump_wp || is_support_wp)
 515         {
 516                 if (start_wp_is_spawned)
 517                         start_wp_is_spawned = false;
 518                 LOG_INFO("^xf80Spawning start waypoint...\n");
 519         }
 520         int ctf_flags = havocbot_symmetry_origin_order;
 521         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 522                    || (autocvar_g_waypointeditor_symmetrical < 0));
 523         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 524                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 525         if (sym && ctf_flags < 2)
 526                 ctf_flags = 2;
 527         int wp_num = ctf_flags;
 528
 529         if(!PHYS_INPUT_BUTTON_CROUCH(pl) && !at_crosshair && !is_jump_wp && !is_support_wp)
 530         {
 531                 // snap waypoint to item's origin if close enough
 532                 IL_EACH(g_items, true,
 533                 {
 534                         vector item_org = (it.absmin + it.absmax) * 0.5;
 535                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
 536                         if (vlen(item_org - org) < 20)
 537                         {
 538                                 org = item_org;
 539                                 break;
 540                         }
 541                 });
 542         }
 543
 544         vector start_org = '0 0 0';
 545         if (start_wp_is_spawned)
 546         {
 547                 if (!start_wp_is_hardwired)
 548                         LOG_INFO("^xf80Spawning destination waypoint...\n");
 549                 start_org = start_wp_origin;
 550         }
 551
 552         // save org as it can be modified spawning symmetrycal waypoints
 553         vector initial_origin = '0 0 0';
 554         bool initial_origin_is_set = false;
 555
 556         LABEL(add_wp);
 557
 558         if (jp)
 559         {
 560                 e = NULL;
 561                 IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_NORELINK
 562                         && boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 563                 {
 564                         e = it; break;
 565                 });
 566                 if (!e)
 567                         e = waypoint_spawn(jp.absmin - PL_MAX_CONST + '1 1 1', jp.absmax - PL_MIN_CONST + '-1 -1 -1', WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
 568                 if (!pl.wp_locked)
 569                         pl.wp_locked = e;
 570         }
 571         else if (is_jump_wp)
 572         {
 573                 entity wp_found = waypoint_get(org, org);
 574                 if (wp_found && !(wp_found.wpflags & WAYPOINTFLAG_JUMP))
 575                 {
 576                         LOG_INFO("Error: can't spawn a jump waypoint over an existent waypoint of a different type\n");
 577                         return;
 578                 }
 579                 e = waypoint_spawn(org, org, WAYPOINTFLAG_JUMP | WAYPOINTFLAG_NORELINK);
 580                 if (!pl.wp_locked)
 581                         pl.wp_locked = e;
 582         }
 583         else if (is_support_wp)
 584         {
 585                 entity wp_found = waypoint_get(org, org);
 586                 if (wp_found && !(wp_found.wpflags & WAYPOINTFLAG_SUPPORT))
 587                 {
 588                         LOG_INFO("Error: can't spawn a support waypoint over an existent waypoint of a different type\n");
 589                         return;
 590                 }
 591                 e = waypoint_spawn(org, org, WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_NORELINK);
 592                 if (!pl.wp_locked)
 593                         pl.wp_locked = e;
 594         }
 595         else
 596                 e = waypoint_spawn(org, org, (is_crouch_wp) ? WAYPOINTFLAG_CROUCH : 0);
 597         if(!e)
 598         {
 599                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
 600                 if (start_wp_is_spawned)
 601                         waypoint_clear_start_wp(pl, true);
 602                 return;
 603         }
 604
 605         if (!initial_origin_is_set)
 606         {
 607                 initial_origin = e.origin;
 608                 initial_origin_is_set = true;
 609         }
 610
 611         entity start_wp = NULL;
 612         if (start_wp_is_spawned)
 613         {
 614                 IL_EACH(g_waypoints, (start_wp_is_hardwired || it.wpflags & WAYPOINTFLAG_NORELINK)
 615                         && boxesoverlap(start_org, start_org, it.absmin, it.absmax),
 616                 {
 617                         start_wp = it; break;
 618                 });
 619                 if(!start_wp)
 620                 {
 621                         // should not happen
 622                         LOG_INFOF("Couldn't find start waypoint at %v\n", start_org);
 623                         waypoint_clear_start_wp(pl, true);
 624                         return;
 625                 }
 626                 if (start_wp_is_hardwired)
 627                 {
 628                         if (waypoint_is_hardwiredlink(start_wp, e))
 629                         {
 630                                 waypoint_unmark_hardwiredlink(start_wp, e);
 631                                 waypoint_removelink(start_wp, e);
 632                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 633                                 LOG_INFOF("^x80fRemoved hardwired link %s.\n", s);
 634                         }
 635                         else
 636                         {
 637                                 if (e.createdtime == time)
 638                                 {
 639                                         LOG_INFO("Error: hardwired links can be created only between 2 existing (and unconnected) waypoints.\n");
 640                                         waypoint_remove(e);
 641                                         waypoint_clear_start_wp(pl, true);
 642                                         waypoint_spawn_fromeditor(pl, at_crosshair, is_jump_wp, is_crouch_wp, is_support_wp);
 643                                         return;
 644                                 }
 645                                 if (start_wp == e)
 646                                 {
 647                                         LOG_INFO("Error: start and destination waypoints coincide.\n");
 648                                         waypoint_clear_start_wp(pl, true);
 649                                         return;
 650                                 }
 651                                 if (waypoint_islinked(start_wp, e))
 652                                 {
 653                                         LOG_INFO("Error: waypoints are already linked.\n");
 654                                         waypoint_clear_start_wp(pl, true);
 655                                         return;
 656                                 }
 657                                 waypoint_addlink(start_wp, e);
 658                                 waypoint_mark_hardwiredlink(start_wp, e);
 659                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 660                                 LOG_INFOF("^x80fAdded hardwired link %s.\n", s);
 661                         }
 662                 }
 663                 else
 664                         waypoint_addlink(start_wp, e);
 665         }
 666
 667         if (!(jp || is_jump_wp || is_support_wp || start_wp_is_hardwired))
 668                 waypoint_schedulerelink(e);
 669
 670         string wp_type_str = "Waypoint";
 671         if (is_crouch_wp)               wp_type_str = "Crouch waypoint";
 672         else if (is_jump_wp)    wp_type_str = "Jump waypoint";
 673         else if (is_support_wp) wp_type_str = "Support waypoint";
 674         else if (jp)                    wp_type_str = "Custom jumppad waypoint";
 675
 676         bprint(strcat(wp_type_str, " spawned at ", vtos(e.origin), "\n"));
 677
 678         if (start_wp_is_spawned)
 679         {
 680                 pl.wp_locked = NULL;
 681                 if (!start_wp_is_hardwired)
 682                         waypoint_schedulerelink(start_wp);
 683                 if (start_wp.wpflags & WAYPOINTFLAG_TELEPORT)
 684                 {
 685                         if (start_wp.wp00_original == start_wp.wp00)
 686                                 start_wp.wpflags &= ~WAYPOINTFLAG_CUSTOM_JP;
 687                         else
 688                                 start_wp.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
 689                 }
 690         }
 691
 692         if (sym)
 693         {
 694                 org = waypoint_getSymmetricalPoint(org, ctf_flags);
 695                 if (jp)
 696                 {
 697                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 698                         {
 699                                 jp = it; break;
 700                         });
 701                 }
 702                 if (start_wp_is_spawned)
 703                         start_org = waypoint_getSymmetricalPoint(start_org, ctf_flags);
 704                 if (vdist(org - pl.origin, >, 32))
 705                 {
 706                         if(wp_num > 2)
 707                                 wp_num--;
 708                         else
 709                                 sym = false;
 710                         goto add_wp;
 711                 }
 712         }
 713         if (jp || is_jump_wp || is_support_wp)
 714         {
 715                 if (!start_wp_is_spawned)
 716                 {
 717                         // we've just created a custom jumppad waypoint
 718                         // the next one created by the user will be the destination waypoint
 719                         start_wp_is_spawned = true;
 720                         start_wp_origin = initial_origin;
 721                         if (is_support_wp)
 722                                 start_wp_is_support = true;
 723                 }
 724         }
 725         else if (start_wp_is_spawned)
 726         {
 727                 waypoint_clear_start_wp(pl, false);
 728         }
 729 }
 730
 731 void waypoint_remove(entity wp)
 732 {
 733         IL_EACH(g_waypoints, it != wp,
 734         {
 735                 if (waypoint_islinked(it, wp))
 736                 {
 737                         if (waypoint_is_hardwiredlink(it, wp))
 738                                 waypoint_unmark_hardwiredlink(it, wp);
 739                         waypoint_removelink(it, wp);
 740                 }
 741         });
 742         delete(wp);
 743 }
 744
 745 void waypoint_remove_fromeditor(entity pl)
 746 {
 747         if (WAYPOINT_VERSION < waypoint_version_loaded)
 748         {
 749                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 750                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 751                 return;
 752         }
 753
 754         entity e = navigation_findnearestwaypoint(pl, false);
 755
 756         int ctf_flags = havocbot_symmetry_origin_order;
 757         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 758                    || (autocvar_g_waypointeditor_symmetrical < 0));
 759         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 760                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 761         if (sym && ctf_flags < 2)
 762                 ctf_flags = 2;
 763         int wp_num = ctf_flags;
 764
 765         LABEL(remove_wp);
 766         if (!e) return;
 767
 768         if (e.wpflags & WAYPOINTFLAG_GENERATED)
 769         {
 770                 if (start_wp_is_spawned)
 771                         waypoint_clear_start_wp(pl, true);
 772                 return;
 773         }
 774
 775         if (waypoint_has_hardwiredlinks(e))
 776         {
 777                 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");
 778                 return;
 779         }
 780
 781         entity wp_sym = NULL;
 782         if (sym)
 783         {
 784                 vector org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 785                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
 786                         if(vdist(org - it.origin, <, 3))
 787                         {
 788                                 wp_sym = it;
 789                                 break;
 790                         }
 791                 });
 792         }
 793
 794         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
 795         waypoint_remove(e);
 796
 797         if (sym && wp_sym)
 798         {
 799                 e = wp_sym;
 800                 if(wp_num > 2)
 801                         wp_num--;
 802                 else
 803                         sym = false;
 804                 goto remove_wp;
 805         }
 806
 807         if (start_wp_is_spawned)
 808                 waypoint_clear_start_wp(pl, true);
 809 }
 810
 811 void waypoint_removelink(entity from, entity to)
 812 {
 813         if (from == to || (from.wpflags & WAYPOINTFLAG_NORELINK && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))))
 814                 return;
 815
 816         entity fromwp31_prev = from.wp31;
 817
 818         switch (waypoint_getlinknum(from, to))
 819         {
 820                 // fallthrough all the way
 821                 case  0: from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;
 822                 case  1: from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;
 823                 case  2: from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;
 824                 case  3: from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;
 825                 case  4: from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;
 826                 case  5: from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;
 827                 case  6: from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;
 828                 case  7: from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;
 829                 case  8: from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;
 830                 case  9: from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;
 831                 case 10: from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;
 832                 case 11: from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;
 833                 case 12: from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;
 834                 case 13: from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;
 835                 case 14: from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;
 836                 case 15: from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;
 837                 case 16: from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;
 838                 case 17: from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;
 839                 case 18: from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;
 840                 case 19: from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;
 841                 case 20: from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;
 842                 case 21: from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;
 843                 case 22: from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;
 844                 case 23: from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;
 845                 case 24: from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;
 846                 case 25: from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;
 847                 case 26: from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;
 848                 case 27: from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;
 849                 case 28: from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;
 850                 case 29: from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;
 851                 case 30: from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;
 852                 case 31: from.wp31 = NULL; from.wp31mincost = 10000000;
 853         }
 854
 855         if (fromwp31_prev && !from.wp31)
 856                 waypoint_schedulerelink(from);
 857 }
 858
 859 int waypoint_getlinknum(entity from, entity to)
 860 {
 861         if (from.wp00 == to) return  0; if (from.wp01 == to) return  1; if (from.wp02 == to) return  2; if (from.wp03 == to) return  3;
 862         if (from.wp04 == to) return  4; if (from.wp05 == to) return  5; if (from.wp06 == to) return  6; if (from.wp07 == to) return  7;
 863         if (from.wp08 == to) return  8; if (from.wp09 == to) return  9; if (from.wp10 == to) return 10; if (from.wp11 == to) return 11;
 864         if (from.wp12 == to) return 12; if (from.wp13 == to) return 13; if (from.wp14 == to) return 14; if (from.wp15 == to) return 15;
 865         if (from.wp16 == to) return 16; if (from.wp17 == to) return 17; if (from.wp18 == to) return 18; if (from.wp19 == to) return 19;
 866         if (from.wp20 == to) return 20; if (from.wp21 == to) return 21; if (from.wp22 == to) return 22; if (from.wp23 == to) return 23;
 867         if (from.wp24 == to) return 24; if (from.wp25 == to) return 25; if (from.wp26 == to) return 26; if (from.wp27 == to) return 27;
 868         if (from.wp28 == to) return 28; if (from.wp29 == to) return 29; if (from.wp30 == to) return 30; if (from.wp31 == to) return 31;
 869         return -1;
 870 }
 871
 872 bool waypoint_islinked(entity from, entity to)
 873 {
 874         return (waypoint_getlinknum(from, to) >= 0);
 875 }
 876
 877 void waypoint_updatecost_foralllinks()
 878 {
 879         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
 880         {
 881                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
 882                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
 883                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
 884                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
 885                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
 886                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
 887                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
 888                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
 889                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
 890                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
 891                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
 892                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
 893                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
 894                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
 895                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
 896                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
 897                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
 898                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
 899                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
 900                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
 901                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
 902                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
 903                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
 904                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
 905                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
 906                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
 907                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
 908                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
 909                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
 910                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
 911                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
 912                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
 913         });
 914 }
 915
 916 float waypoint_getlinearcost(float dist)
 917 {
 918         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
 919                 return dist / (autocvar_sv_maxspeed * 1.25);
 920         return dist / autocvar_sv_maxspeed;
 921 }
 922
 923 float waypoint_getlinearcost_underwater(float dist)
 924 {
 925         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
 926         return dist / (autocvar_sv_maxspeed * 0.7);
 927 }
 928
 929 float waypoint_getlinearcost_crouched(float dist)
 930 {
 931         return dist / (autocvar_sv_maxspeed * 0.5);
 932 }
 933
 934 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
 935 {
 936         bool submerged_from = navigation_check_submerged_state(from_ent, from);
 937         bool submerged_to = navigation_check_submerged_state(to_ent, to);
 938
 939         if (submerged_from && submerged_to)
 940                 return waypoint_getlinearcost_underwater(vlen(to - from));
 941
 942         if (from_ent.wpflags & WAYPOINTFLAG_CROUCH && to_ent.wpflags & WAYPOINTFLAG_CROUCH)
 943                 return waypoint_getlinearcost_crouched(vlen(to - from));
 944
 945         float c = waypoint_getlinearcost(vlen(to - from));
 946
 947         float height = from.z - to.z;
 948         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
 949         {
 950                 float height_cost; // fall cost
 951                 if (boolean(from_ent.wpflags & WAYPOINTFLAG_JUMP))
 952                         height_cost = jumpheight_time + sqrt((height + jumpheight_vec.z) / (autocvar_sv_gravity / 2));
 953                 else
 954                         height_cost = sqrt(height / (autocvar_sv_gravity / 2));
 955                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
 956                 if(height_cost > c)
 957                         c = height_cost;
 958         }
 959
 960         // consider half path underwater
 961         if (submerged_from || submerged_to)
 962                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
 963
 964         // consider half path crouched
 965         if (from_ent.wpflags & WAYPOINTFLAG_CROUCH || to_ent.wpflags & WAYPOINTFLAG_CROUCH)
 966                 return (c + waypoint_getlinearcost_crouched(vlen(to - from))) / 2;
 967
 968         return c;
 969 }
 970
 971 float waypoint_getlinkcost(entity from, entity to)
 972 {
 973         vector v1 = from.origin;
 974         vector v2 = to.origin;
 975         if (from.wpisbox)
 976         {
 977                 vector m1 = from.absmin, m2 = from.absmax;
 978                 v1.x = bound(m1.x, v2.x, m2.x);
 979                 v1.y = bound(m1.y, v2.y, m2.y);
 980                 v1.z = bound(m1.z, v2.z, m2.z);
 981         }
 982         if (to.wpisbox)
 983         {
 984                 vector m1 = to.absmin, m2 = to.absmax;
 985                 v2.x = bound(m1.x, v1.x, m2.x);
 986                 v2.y = bound(m1.y, v1.y, m2.y);
 987                 v2.z = bound(m1.z, v1.z, m2.z);
 988         }
 989         return waypoint_gettravelcost(v1, v2, from, to);
 990 }
 991
 992 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 993 // if c == -1 automatically determine cost of the link
 994 void waypoint_addlink_customcost(entity from, entity to, float c)
 995 {
 996         if (from == to || waypoint_islinked(from, to))
 997                 return;
 998         if (c == -1 && (from.wpflags & WAYPOINTFLAG_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
 999                 return;
1000
1001         if(c == -1)
1002                 c = waypoint_getlinkcost(from, to);
1003
1004         if (from.wp31mincost < c) return;
1005         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
1006         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
1007         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
1008         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
1009         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
1010         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
1011         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
1012         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
1013         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
1014         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
1015         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
1016         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
1017         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
1018         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
1019         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
1020         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
1021         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
1022         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
1023         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
1024         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
1025         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
1026         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
1027         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
1028         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
1029         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
1030         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
1031         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
1032         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
1033         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
1034         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
1035         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
1036         from.wp00 = to;from.wp00mincost = c;return;
1037 }
1038
1039 void waypoint_addlink(entity from, entity to)
1040 {
1041         if ((from.wpflags & WAYPOINTFLAG_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1042                 waypoint_addlink_for_custom_jumppad(from, to);
1043         else
1044                 waypoint_addlink_customcost(from, to, -1);
1045 }
1046
1047 // relink this spawnfunc_waypoint
1048 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
1049 // (SLOW!)
1050 void waypoint_think(entity this)
1051 {
1052         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
1053         float sv2_height = 0, ev2_height = 0;
1054
1055         bot_calculate_stepheightvec();
1056
1057         int dphitcontentsmask_save = this.dphitcontentsmask;
1058         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
1059
1060         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
1061
1062         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
1063         IL_EACH(g_waypoints, this != it,
1064         {
1065                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
1066                 {
1067                         waypoint_addlink(this, it);
1068                         waypoint_addlink(it, this);
1069                 }
1070                 else
1071                 {
1072                         ++relink_total;
1073                         if(!checkpvs(this.origin, it))
1074                         {
1075                                 ++relink_pvsculled;
1076                                 continue;
1077                         }
1078
1079                         sv = set_tracewalk_dest_2(this, it.origin);
1080                         sv2 = tracewalk_dest;
1081                         sv2_height = tracewalk_dest_height;
1082                         ev = set_tracewalk_dest_2(it, this.origin);
1083                         ev2 = tracewalk_dest;
1084                         ev2_height = tracewalk_dest_height;
1085
1086                         dv = ev - sv;
1087                         dv.z = 0;
1088                         int maxdist = 1050;
1089                         vector m1 = PL_MIN_CONST;
1090                         vector m2 = PL_MAX_CONST;
1091
1092                         if (this.wpflags & WAYPOINTFLAG_CROUCH || it.wpflags & WAYPOINTFLAG_CROUCH)
1093                         {
1094                                 m1 = PL_CROUCH_MIN_CONST;
1095                                 m2 = PL_CROUCH_MAX_CONST;
1096                                 // links from crouch wp to normal wp (and viceversa) are very short to avoid creating many links
1097                                 // that would be wasted due to rough travel cost calculation (the longer link is, the higher cost is)
1098                                 // links from crouch wp to crouch wp can be as long as normal links
1099                                 if (!(this.wpflags & WAYPOINTFLAG_CROUCH && it.wpflags & WAYPOINTFLAG_CROUCH))
1100                                         maxdist = 100;
1101                         }
1102
1103                         if (vdist(dv, >=, maxdist)) // max search distance in XY
1104                         {
1105                                 ++relink_lengthculled;
1106                                 continue;
1107                         }
1108
1109                         navigation_testtracewalk = 0;
1110
1111                         //traceline(this.origin, it.origin, false, NULL);
1112                         //if (trace_fraction == 1)
1113                         if (this.wpisbox || this.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))
1114                                 relink_walkculled += 0.5;
1115                         else
1116                         {
1117                                 if (tracewalk(this, sv, m1, m2, ev2, ev2_height, MOVE_NOMONSTERS))
1118                                         waypoint_addlink(this, it);
1119                                 else
1120                                         relink_walkculled += 0.5;
1121                         }
1122
1123                         if (it.wpisbox || it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))
1124                                 relink_walkculled += 0.5;
1125                         else
1126                         {
1127                                 if (tracewalk(this, ev, m1, m2, sv2, sv2_height, MOVE_NOMONSTERS))
1128                                         waypoint_addlink(it, this);
1129                                 else
1130                                         relink_walkculled += 0.5;
1131                         }
1132                 }
1133         });
1134         navigation_testtracewalk = 0;
1135         this.wplinked = true;
1136         this.dphitcontentsmask = dphitcontentsmask_save;
1137
1138         setthink(this, func_null);
1139         this.nextthink = 0;
1140 }
1141
1142 void waypoint_clearlinks(entity wp)
1143 {
1144         // clear links to other waypoints
1145         float f = 10000000;
1146         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
1147         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
1148         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
1149         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
1150
1151         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
1152         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
1153         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
1154         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
1155
1156         wp.wplinked = false;
1157 }
1158
1159 // tell a spawnfunc_waypoint to relink
1160 void waypoint_schedulerelink(entity wp)
1161 {
1162         if (wp == NULL)
1163                 return;
1164
1165         waypoint_setupmodel(wp);
1166         wp.wpisbox = vdist(wp.size, >, 0);
1167         wp.enemy = NULL;
1168         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
1169                 wp.owner = NULL;
1170         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
1171                 waypoint_clearlinks(wp);
1172         // schedule an actual relink on next frame
1173         setthink(wp, waypoint_think);
1174         wp.nextthink = time;
1175         wp.effects = EF_LOWPRECISION;
1176 }
1177
1178 // spawnfunc_waypoint map entity
1179 spawnfunc(waypoint)
1180 {
1181         IL_PUSH(g_waypoints, this);
1182
1183         setorigin(this, this.origin);
1184         // schedule a relink after other waypoints have had a chance to spawn
1185         waypoint_clearlinks(this);
1186         //waypoint_schedulerelink(this);
1187 }
1188
1189 // tell all waypoints to relink
1190 // actually this is useful only to update relink_* stats
1191 void waypoint_schedulerelinkall()
1192 {
1193         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
1194         IL_EACH(g_waypoints, true,
1195         {
1196                 waypoint_schedulerelink(it);
1197         });
1198         waypoint_load_hardwiredlinks();
1199 }
1200
1201 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
1202
1203 // Load waypoint links from file
1204 bool waypoint_load_links()
1205 {
1206         string s;
1207         float file, tokens, c = 0, found;
1208         entity wp_from = NULL, wp_to;
1209         vector wp_to_pos, wp_from_pos;
1210
1211         string gt_ext = GET_GAMETYPE_EXTENSION();
1212
1213         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1214         file = fopen(filename, FILE_READ);
1215
1216         if (gt_ext != "" && file < 0)
1217         {
1218                 // if race waypoint file doesn't exist load the default one
1219                 filename = sprintf("maps/%s.waypoints.cache", mapname);
1220                 file = fopen(filename, FILE_READ);
1221         }
1222
1223         if (file < 0)
1224         {
1225                 LOG_TRACE("waypoint links load from ", filename, " failed");
1226                 waypoint_schedulerelinkall();
1227                 return false;
1228         }
1229
1230         bool parse_comments = true;
1231         float ver = 0;
1232         string links_time = string_null;
1233
1234         while ((s = fgets(file)))
1235         {
1236                 if(parse_comments)
1237                 {
1238                         if(substring(s, 0, 2) == "//")
1239                         {
1240                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1241                                         ver = stof(substring(s, 19, -1));
1242                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1243                                         links_time = substring(s, 16, -1);
1244                                 continue;
1245                         }
1246                         else
1247                         {
1248                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
1249                                 {
1250                                         if (links_time != waypoint_time)
1251                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
1252                                         else
1253                                                 LOG_TRACE("waypoint links for this map are outdated.");
1254                                         if (g_assault)
1255                                         {
1256                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
1257                                         }
1258                                         else
1259                                         {
1260                                                 LOG_TRACE("automatically updating...");
1261                                                 waypoint_schedulerelinkall();
1262                                                 fclose(file);
1263                                                 return false;
1264                                         }
1265                                 }
1266                                 parse_comments = false;
1267                         }
1268                 }
1269
1270                 tokens = tokenizebyseparator(s, "*");
1271
1272                 if (tokens!=2)
1273                 {
1274                         // bad file format
1275                         fclose(file);
1276                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
1277                         return false;
1278                 }
1279
1280                 wp_from_pos     = stov(argv(0));
1281                 wp_to_pos       = stov(argv(1));
1282
1283                 // Search "from" waypoint
1284                 if(!wp_from || wp_from.origin!=wp_from_pos)
1285                 {
1286                         wp_from = findradius(wp_from_pos, 1);
1287                         found = false;
1288                         while(wp_from)
1289                         {
1290                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
1291                                 if(wp_from.classname == "waypoint")
1292                                 {
1293                                         found = true;
1294                                         break;
1295                                 }
1296                                 wp_from = wp_from.chain;
1297                         }
1298
1299                         if(!found)
1300                         {
1301                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
1302                                 continue;
1303                         }
1304                 }
1305
1306                 // Search "to" waypoint
1307                 wp_to = findradius(wp_to_pos, 1);
1308                 found = false;
1309                 while(wp_to)
1310                 {
1311                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
1312                         if(wp_to.classname == "waypoint")
1313                         {
1314                                 found = true;
1315                                 break;
1316                         }
1317                         wp_to = wp_to.chain;
1318                 }
1319
1320                 if(!found)
1321                 {
1322                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
1323                         continue;
1324                 }
1325
1326                 ++c;
1327                 waypoint_addlink(wp_from, wp_to);
1328                 if (wp_from.wp00_original && wp_from.wp00_original != wp_from.wp00)
1329                         wp_from.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
1330         }
1331
1332         fclose(file);
1333
1334         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
1335
1336         bool scheduled = false;
1337         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
1338         {
1339                 if (!it.wp00)
1340                 {
1341                         waypoint_schedulerelink(it);
1342                         scheduled = true;
1343                 }
1344         });
1345         if (scheduled)
1346                 return false;
1347
1348         botframe_cachedwaypointlinks = true;
1349         return true;
1350 }
1351
1352 void waypoint_load_hardwiredlinks()
1353 {
1354         string s;
1355         float file, tokens, c = 0, found;
1356         entity wp_from = NULL, wp_to;
1357         vector wp_to_pos, wp_from_pos;
1358
1359         string gt_ext = GET_GAMETYPE_EXTENSION();
1360
1361         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1362         file = fopen(filename, FILE_READ);
1363
1364         if (gt_ext != "" && file < 0)
1365         {
1366                 // if race waypoint file doesn't exist load the default one
1367                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
1368                 file = fopen(filename, FILE_READ);
1369         }
1370
1371         botframe_loadedforcedlinks = true;
1372
1373         if (file < 0)
1374         {
1375                 LOG_TRACE("waypoint links load from ", filename, " failed");
1376                 return;
1377         }
1378
1379         bool is_special = false;
1380         while ((s = fgets(file)))
1381         {
1382                 if(substring(s, 0, 2)=="//")
1383                         continue;
1384
1385                 if(substring(s, 0, 1)=="#")
1386                         continue;
1387
1388                 // special links start with *, so old xonotic versions don't load them
1389                 is_special = false;
1390                 if (substring(s, 0, 1) == "*")
1391                 {
1392                         is_special = true;
1393                         s = substring(s, 1, -1);
1394                 }
1395
1396                 tokens = tokenizebyseparator(s, "*");
1397
1398                 if (tokens!=2)
1399                         continue;
1400
1401                 wp_from_pos     = stov(argv(0));
1402                 wp_to_pos       = stov(argv(1));
1403
1404                 // Search "from" waypoint
1405                 if(!wp_from || wp_from.origin!=wp_from_pos)
1406                 {
1407                         wp_from = findradius(wp_from_pos, 5);
1408                         found = false;
1409                         while(wp_from)
1410                         {
1411                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
1412                                 if(wp_from.classname == "waypoint")
1413                                 {
1414                                         found = true;
1415                                         break;
1416                                 }
1417                                 wp_from = wp_from.chain;
1418                         }
1419
1420                         if(!found)
1421                         {
1422                                 LOG_INFO("NOTICE: Can not find origin waypoint for the hardwired link ", s, ". Path skipped");
1423                                 continue;
1424                         }
1425                 }
1426
1427                 // Search "to" waypoint
1428                 wp_to = findradius(wp_to_pos, 5);
1429                 found = false;
1430                 while(wp_to)
1431                 {
1432                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
1433                         if(wp_to.classname == "waypoint")
1434                         {
1435                                 found = true;
1436                                 break;
1437                         }
1438                         wp_to = wp_to.chain;
1439                 }
1440
1441                 if(!found)
1442                 {
1443                         LOG_INFO("NOTICE: Can not find destination waypoint for the hardwired link ", s, ". Path skipped");
1444                         continue;
1445                 }
1446
1447                 ++c;
1448
1449                 if (!is_special)
1450                 {
1451                         waypoint_addlink(wp_from, wp_to);
1452                         waypoint_mark_hardwiredlink(wp_from, wp_to);
1453                 } else if (wp_from.wpflags & WAYPOINTFLAG_NORELINK
1454                         && (wp_from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)
1455                                 || (wp_from.wpisbox && wp_from.wpflags & WAYPOINTFLAG_TELEPORT)))
1456                 {
1457                         waypoint_addlink(wp_from, wp_to);
1458                 }
1459         }
1460
1461         fclose(file);
1462
1463         LOG_TRACE("loaded ", ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
1464 }
1465
1466 entity waypoint_get_link(entity w, float i)
1467 {
1468         switch(i)
1469         {
1470                 case  0:return w.wp00;
1471                 case  1:return w.wp01;
1472                 case  2:return w.wp02;
1473                 case  3:return w.wp03;
1474                 case  4:return w.wp04;
1475                 case  5:return w.wp05;
1476                 case  6:return w.wp06;
1477                 case  7:return w.wp07;
1478                 case  8:return w.wp08;
1479                 case  9:return w.wp09;
1480                 case 10:return w.wp10;
1481                 case 11:return w.wp11;
1482                 case 12:return w.wp12;
1483                 case 13:return w.wp13;
1484                 case 14:return w.wp14;
1485                 case 15:return w.wp15;
1486                 case 16:return w.wp16;
1487                 case 17:return w.wp17;
1488                 case 18:return w.wp18;
1489                 case 19:return w.wp19;
1490                 case 20:return w.wp20;
1491                 case 21:return w.wp21;
1492                 case 22:return w.wp22;
1493                 case 23:return w.wp23;
1494                 case 24:return w.wp24;
1495                 case 25:return w.wp25;
1496                 case 26:return w.wp26;
1497                 case 27:return w.wp27;
1498                 case 28:return w.wp28;
1499                 case 29:return w.wp29;
1500                 case 30:return w.wp30;
1501                 case 31:return w.wp31;
1502                 default:return NULL;
1503         }
1504 }
1505
1506 // Save all hardwired waypoint links to a file
1507 void waypoint_save_hardwiredlinks()
1508 {
1509         string gt_ext = GET_GAMETYPE_EXTENSION();
1510
1511         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1512         int file = fopen(filename, FILE_WRITE);
1513         if (file < 0)
1514         {
1515                 LOG_TRACE("waypoint hardwired links ", filename, " creation failed");
1516                 return;
1517         }
1518
1519         // write hardwired links to file
1520         int count = 0;
1521         fputs(file, "// HARDWIRED LINKS\n");
1522         IL_EACH(g_waypoints, waypoint_has_hardwiredlinks(it),
1523         {
1524                 for (int j = 0; j < 32; ++j)
1525                 {
1526                         entity link = waypoint_get_link(it, j);
1527                         if (waypoint_is_hardwiredlink(it, link))
1528                         {
1529                                 // NOTE: vtos rounds vector components to 1 decimal place
1530                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1531                                 fputs(file, s);
1532                                 ++count;
1533                         }
1534                 }
1535         });
1536
1537         // write special links to file
1538         int count2 = 0;
1539         fputs(file, "\n// SPECIAL LINKS\n");
1540         IL_EACH(g_waypoints, it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP),
1541         {
1542                 for (int j = 0; j < 32; ++j)
1543                 {
1544                         entity link = waypoint_get_link(it, j);
1545                         if (link)
1546                         {
1547                                 // NOTE: vtos rounds vector components to 1 decimal place
1548                                 string s = strcat("*", vtos(it.origin), "*", vtos(link.origin), "\n");
1549                                 fputs(file, s);
1550                                 ++count2;
1551                         }
1552                 }
1553         });
1554
1555         fclose(file);
1556
1557         LOG_INFOF("saved %d hardwired links and %d special links to %s", count, count2, filename);
1558 }
1559
1560 // Save all waypoint links to a file
1561 void waypoint_save_links()
1562 {
1563         string gt_ext = GET_GAMETYPE_EXTENSION();
1564
1565         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1566         int file = fopen(filename, FILE_WRITE);
1567         if (file < 0)
1568         {
1569                 LOG_INFOF("waypoint link save to %s failed", filename);
1570                 return;
1571         }
1572
1573         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1574         if (waypoint_time != "")
1575                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1576
1577         int c = 0;
1578         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP)),
1579         {
1580                 for(int j = 0; j < 32; ++j)
1581                 {
1582                         entity link = waypoint_get_link(it, j);
1583                         if (link && !waypoint_is_hardwiredlink(it, link))
1584                         {
1585                                 // NOTE: vtos rounds vector components to 1 decimal place
1586                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1587                                 fputs(file, s);
1588                                 ++c;
1589                         }
1590                 }
1591         });
1592         fclose(file);
1593
1594         botframe_cachedwaypointlinks = true;
1595
1596         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1597 }
1598
1599 // save waypoints to gamedir/data/maps/mapname.waypoints
1600 void waypoint_saveall()
1601 {
1602         if (WAYPOINT_VERSION < waypoint_version_loaded)
1603         {
1604                 LOG_INFOF("^1Overwriting waypoints with a higher version number (%f) is not allowed.\n"
1605                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1606                 return;
1607         }
1608         string gt_ext = GET_GAMETYPE_EXTENSION();
1609
1610         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1611         int file = fopen(filename, FILE_WRITE);
1612         if (file < 0)
1613         {
1614                 waypoint_save_links(); // save anyway?
1615                 botframe_loadedforcedlinks = false;
1616
1617                 LOG_INFOF("waypoint links: save to %s failed", filename);
1618                 return;
1619         }
1620
1621         float sym = autocvar_g_waypointeditor_symmetrical;
1622         string sym_str = ftos(sym);
1623         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1624         {
1625                 if (sym == 1)
1626                 {
1627                         sym_str = cons(sym_str, "-");
1628                         sym_str = cons(sym_str, "-");
1629                 }
1630                 else
1631                 {
1632                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1633                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1634                 }
1635                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1636                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1637         }
1638         else if (autocvar_g_waypointeditor_symmetrical == -2)
1639         {
1640                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1641                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1642         }
1643
1644         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1645         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1646         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1647         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1648
1649         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1650         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1651         //fputs(file, strcat("//", "\n"));
1652         //fputs(file, strcat("//", "\n"));
1653         //fputs(file, strcat("//", "\n"));
1654
1655         int c = 0;
1656         IL_EACH(g_waypoints, true,
1657         {
1658                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1659                         continue;
1660
1661                 string s;
1662                 // NOTE: vtos rounds vector components to 1 decimal place
1663                 s = strcat(vtos(it.origin + it.mins), "\n");
1664                 s = strcat(s, vtos(it.origin + it.maxs));
1665                 s = strcat(s, "\n");
1666                 s = strcat(s, ftos(it.wpflags));
1667                 s = strcat(s, "\n");
1668                 fputs(file, s);
1669                 c++;
1670         });
1671         fclose(file);
1672         waypoint_save_links();
1673         waypoint_save_hardwiredlinks();
1674
1675         botframe_loadedforcedlinks = false;
1676
1677         waypoint_version_loaded = WAYPOINT_VERSION;
1678         LOG_INFOF("saved %d waypoints to %s", c, filename);
1679 }
1680
1681 // load waypoints from file
1682 float waypoint_loadall()
1683 {
1684         string s;
1685         float file, cwp, cwb, fl;
1686         vector m1, m2;
1687         cwp = 0;
1688         cwb = 0;
1689
1690         string gt_ext = GET_GAMETYPE_EXTENSION();
1691
1692         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1693         file = fopen(filename, FILE_READ);
1694
1695         if (gt_ext != "" && file < 0)
1696         {
1697                 // if race waypoint file doesn't exist load the default one
1698                 filename = sprintf("maps/%s.waypoints", mapname);
1699                 file = fopen(filename, FILE_READ);
1700         }
1701
1702         if (file < 0)
1703         {
1704                 LOG_TRACE("waypoint load from ", filename, " failed");
1705                 return 0;
1706         }
1707
1708         bool parse_comments = true;
1709         float ver = 0;
1710         float sym = 0;
1711         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1712
1713         while ((s = fgets(file)))
1714         {
1715                 if(parse_comments)
1716                 {
1717                         if(substring(s, 0, 2) == "//")
1718                         {
1719                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1720                                         ver = stof(substring(s, 19, -1));
1721                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1722                                 {
1723                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1724                                         if (tokens) { sym = stof(argv(0)); }
1725                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1726                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1727                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1728                                 }
1729                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1730                                         strcpy(waypoint_time, substring(s, 16, -1));
1731                                 continue;
1732                         }
1733                         else
1734                         {
1735                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1736                                 {
1737                                         LOG_TRACE("waypoints for this map are outdated");
1738                                         LOG_TRACE("please update them in the editor");
1739                                 }
1740                                 parse_comments = false;
1741                         }
1742                 }
1743                 m1 = stov(s);
1744                 s = fgets(file);
1745                 if (!s)
1746                         break;
1747                 m2 = stov(s);
1748                 s = fgets(file);
1749                 if (!s)
1750                         break;
1751                 fl = stof(s);
1752                 waypoint_spawn(m1, m2, fl);
1753                 if (m1 == m2)
1754                         cwp = cwp + 1;
1755                 else
1756                         cwb = cwb + 1;
1757         }
1758         fclose(file);
1759         waypoint_version_loaded = ver;
1760         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1761
1762         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1763         {
1764                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1765                 if (sym == 1 && sym_param3 < 2)
1766                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1767                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1768                 {
1769                         string params;
1770                         if (sym == 1)
1771                                 params = cons("-", "-");
1772                         else
1773                         {
1774                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1775                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1776                         }
1777                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1778                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1779                 }
1780                 else if (sym == -2)
1781                 {
1782                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1783                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1784                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with axis ", params);
1785                 }
1786                 else
1787                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym));
1788                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1789         }
1790
1791         if (WAYPOINT_VERSION < waypoint_version_loaded)
1792                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
1793                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1794
1795         return cwp + cwb;
1796 }
1797
1798 #define waypoint_fixorigin(position, tracetest_ent) \
1799         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1800
1801 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1802 {
1803         vector endpos = position + down_dir * 3000;
1804         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1805         if(trace_startsolid)
1806                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1807         if(trace_startsolid)
1808                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1809         if(trace_fraction < 1)
1810                 position = trace_endpos;
1811         return position;
1812 }
1813
1814 void waypoint_spawnforitem_force(entity e, vector org)
1815 {
1816         // Fix the waypoint altitude if necessary
1817         org = waypoint_fixorigin(org, NULL);
1818
1819         // don't spawn an item spawnfunc_waypoint if it already exists
1820         IL_EACH(g_waypoints, true,
1821         {
1822                 if(it.wpisbox)
1823                 {
1824                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1825                         {
1826                                 e.nearestwaypoint = it;
1827                                 return;
1828                         }
1829                 }
1830                 else
1831                 {
1832                         if(vdist(it.origin - org, <, 16))
1833                         {
1834                                 e.nearestwaypoint = it;
1835                                 return;
1836                         }
1837                 }
1838         });
1839
1840         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1841 }
1842
1843 void waypoint_spawnforitem(entity e)
1844 {
1845         if(!bot_waypoints_for_items)
1846                 return;
1847
1848         waypoint_spawnforitem_force(e, e.origin);
1849 }
1850
1851 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1852 {
1853         entity w;
1854         entity dw;
1855         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag | WAYPOINTFLAG_NORELINK);
1856         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1857         // one way link to the destination
1858         w.wp00_original = dw;
1859         w.wp00 = dw;
1860         w.wp00mincost = timetaken; // this is just for jump pads
1861         // the teleporter's nearest spawnfunc_waypoint is this one
1862         // (teleporters are not goals, so this is probably useless)
1863         e.nearestwaypoint = w;
1864         e.nearestwaypointtimeout = -1;
1865 }
1866
1867 void waypoint_spawnforteleporter_wz(entity e, entity tracetest_ent)
1868 {
1869         float src_angle = e.warpzone_angles.x;
1870         while (src_angle < -180) src_angle += 360;
1871         while (src_angle > 180) src_angle -= 360;
1872
1873         float dest_angle = e.enemy.warpzone_angles.x;
1874         while (dest_angle < -180) dest_angle += 360;
1875         while (dest_angle > 180) dest_angle -= 360;
1876
1877         // no waypoints for warpzones pointing upwards, they can't be used by the bots
1878         if (src_angle == -90 || dest_angle == -90)
1879                 return;
1880
1881         makevectors(e.warpzone_angles);
1882         vector src = (e.absmin + e.absmax) * 0.5;
1883         src += ((e.warpzone_origin - src) * v_forward) * v_forward + 16 * v_right;
1884         vector down_dir_src = -v_up;
1885
1886         makevectors(e.enemy.warpzone_angles);
1887         vector dest = (e.enemy.absmin + e.enemy.absmax) * 0.5;
1888         dest += ((e.enemy.warpzone_origin - dest) * v_forward) * v_forward - 16 * v_right;
1889         vector down_dir_dest = -v_up;
1890
1891         int extra_flag = 0;
1892         // don't snap to the ground waypoints for source warpzones pointing downwards
1893         if (src_angle != 90)
1894         {
1895                 src = waypoint_fixorigin_down_dir(src, tracetest_ent, down_dir_src);
1896                 dest = waypoint_fixorigin_down_dir(dest, tracetest_ent, down_dir_dest);
1897                 // oblique warpzones need a jump otherwise bots gets stuck
1898                 if (src_angle != 0)
1899                         extra_flag = WAYPOINTFLAG_JUMP;
1900         }
1901
1902         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT | extra_flag, src, src, dest, dest, 0);
1903 }
1904
1905 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
1906 {
1907         destination = waypoint_fixorigin(destination, tracetest_ent);
1908         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);
1909 }
1910
1911 entity waypoint_spawnpersonal(entity this, vector position)
1912 {
1913         entity w;
1914
1915         // drop the waypoint to a proper location:
1916         //   first move it up by a player height
1917         //   then move it down to hit the floor with player bbox size
1918         position = waypoint_fixorigin(position, this);
1919
1920         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1921         w.nearestwaypoint = NULL;
1922         w.nearestwaypointtimeout = 0;
1923         w.owner = this;
1924
1925         waypoint_schedulerelink(w);
1926
1927         return w;
1928 }
1929
1930 void waypoint_showlink(entity wp1, entity wp2, int display_type)
1931 {
1932         if (!(wp1 && wp2))
1933                 return;
1934
1935         if (waypoint_is_hardwiredlink(wp1, wp2) || wp1.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP))
1936                 te_beam(NULL, wp1.origin, wp2.origin);
1937         else if (display_type == 1)
1938                 te_lightning2(NULL, wp1.origin, wp2.origin);
1939 }
1940
1941 void waypoint_showlinks_to(entity wp, int display_type)
1942 {
1943         IL_EACH(g_waypoints, it != wp,
1944         {
1945                 if (waypoint_islinked(it, wp))
1946                         waypoint_showlink(it, wp, display_type);
1947         });
1948 }
1949
1950 void waypoint_showlinks_from(entity wp, int display_type)
1951 {
1952         waypoint_showlink(wp, wp.wp00, display_type); waypoint_showlink(wp, wp.wp16, display_type);
1953         waypoint_showlink(wp, wp.wp01, display_type); waypoint_showlink(wp, wp.wp17, display_type);
1954         waypoint_showlink(wp, wp.wp02, display_type); waypoint_showlink(wp, wp.wp18, display_type);
1955         waypoint_showlink(wp, wp.wp03, display_type); waypoint_showlink(wp, wp.wp19, display_type);
1956         waypoint_showlink(wp, wp.wp04, display_type); waypoint_showlink(wp, wp.wp20, display_type);
1957         waypoint_showlink(wp, wp.wp05, display_type); waypoint_showlink(wp, wp.wp21, display_type);
1958         waypoint_showlink(wp, wp.wp06, display_type); waypoint_showlink(wp, wp.wp22, display_type);
1959         waypoint_showlink(wp, wp.wp07, display_type); waypoint_showlink(wp, wp.wp23, display_type);
1960         waypoint_showlink(wp, wp.wp08, display_type); waypoint_showlink(wp, wp.wp24, display_type);
1961         waypoint_showlink(wp, wp.wp09, display_type); waypoint_showlink(wp, wp.wp25, display_type);
1962         waypoint_showlink(wp, wp.wp10, display_type); waypoint_showlink(wp, wp.wp26, display_type);
1963         waypoint_showlink(wp, wp.wp11, display_type); waypoint_showlink(wp, wp.wp27, display_type);
1964         waypoint_showlink(wp, wp.wp12, display_type); waypoint_showlink(wp, wp.wp28, display_type);
1965         waypoint_showlink(wp, wp.wp13, display_type); waypoint_showlink(wp, wp.wp29, display_type);
1966         waypoint_showlink(wp, wp.wp14, display_type); waypoint_showlink(wp, wp.wp30, display_type);
1967         waypoint_showlink(wp, wp.wp15, display_type); waypoint_showlink(wp, wp.wp31, display_type);
1968 }
1969
1970 void crosshair_trace_waypoints(entity pl)
1971 {
1972         IL_EACH(g_waypoints, true, {
1973                 it.solid = SOLID_BSP;
1974                 if (!it.wpisbox)
1975                         setsize(it, '-16 -16 -16', '16 16 16');
1976         });
1977
1978         crosshair_trace(pl);
1979
1980         IL_EACH(g_waypoints, true, {
1981                 it.solid = SOLID_TRIGGER;
1982                 if (!it.wpisbox)
1983                         setsize(it, '0 0 0', '0 0 0');
1984         });
1985         if (trace_ent.classname != "waypoint")
1986                 trace_ent = NULL;
1987 }
1988
1989 void botframe_showwaypointlinks()
1990 {
1991         if (time < botframe_waypointeditorlightningtime)
1992                 return;
1993         botframe_waypointeditorlightningtime = time + 0.5;
1994         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
1995         {
1996                 int display_type = 0;
1997                 if (wasfreed(it.wp_aimed))
1998                         it.wp_aimed = NULL;
1999                 if (wasfreed(it.wp_locked))
2000                         it.wp_locked = NULL;
2001                 if (PHYS_INPUT_BUTTON_USE(it))
2002                         it.wp_locked = it.wp_aimed;
2003                 entity head = it.wp_locked;
2004                 if (!head)
2005                         head = navigation_findnearestwaypoint(it, false);
2006                 it.nearestwaypoint = head; // mainly useful for debug
2007                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
2008                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE || it.wp_locked)
2009                         display_type = 1; // default
2010                 else if(waypoint_has_hardwiredlinks(head))
2011                         display_type = 2; // only hardwired
2012
2013                 if (display_type)
2014                 {
2015                         //navigation_testtracewalk = true;
2016                         //print("currently selected WP is ", etos(head), "\n");
2017                         //navigation_testtracewalk = false;
2018                         if (head)
2019                         {
2020                                 te_lightning2(NULL, head.origin, it.origin);
2021                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
2022                                         waypoint_showlinks_to(head, display_type);
2023                                 else
2024                                         waypoint_showlinks_from(head, display_type);
2025                         }
2026                 }
2027                 string str;
2028                 entity wp = NULL;
2029                 if (vdist(vec2(it.velocity), <, autocvar_sv_maxspeed * 1.1))
2030                 {
2031                         crosshair_trace_waypoints(it);
2032                         if (trace_ent)
2033                         {
2034                                 wp = trace_ent;
2035                                 if (wp != it.wp_aimed)
2036                                 {
2037                                         str = sprintf("\necho ^2WP info^7: entity: %d, flags: %d, origin: %s\n", etof(wp), wp.wpflags, vtos(wp.origin));
2038                                         if (wp.wpisbox)
2039                                                 str = strcat(str, sprintf("echo \" absmin: %s, absmax: %s\"\n", vtos(wp.absmin), vtos(wp.absmax)));
2040                                         stuffcmd(it, str);
2041                                         str = sprintf("entity: %d\nflags: %d\norigin: %s", etof(wp), wp.wpflags, vtos(wp.origin));
2042                                         if (wp.wpisbox)
2043                                                 str = strcat(str, sprintf(" \nabsmin: %s\nabsmax: %s", vtos(wp.absmin), vtos(wp.absmax)));
2044                                         debug_text_3d(wp.origin, str, 0, 7, '0 0 0');
2045                                 }
2046                         }
2047                 }
2048                 if (it.wp_aimed != wp)
2049                         it.wp_aimed = wp;
2050         });
2051 }
2052
2053 float botframe_autowaypoints_fixdown(vector v)
2054 {
2055         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
2056         if(trace_fraction >= 1)
2057                 return 0;
2058         return 1;
2059 }
2060
2061 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
2062 {
2063         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
2064         {
2065                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
2066                 return 0;
2067         });
2068
2069         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
2070         return 1;
2071 }
2072
2073 // return value:
2074 //    1 = WP created
2075 //    0 = no action needed
2076 //   -1 = temp fail, try from world too
2077 //   -2 = permanent fail, do not retry
2078 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
2079 {
2080         // make it possible to go from p to wp, if we can
2081         // if wp is NULL, nearest is chosen
2082
2083         entity w;
2084         vector porg;
2085         float t, tmin, tmax;
2086         vector o;
2087         vector save;
2088
2089         if(!botframe_autowaypoints_fixdown(p.origin))
2090                 return -2;
2091         porg = trace_endpos;
2092
2093         if(wp)
2094         {
2095                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
2096
2097                 // if wp -> porg, then OK
2098                 float maxdist;
2099                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
2100                 {
2101                         // we may find a better one
2102                         maxdist = vlen(wp.origin - porg);
2103                 }
2104                 else
2105                 {
2106                         // accept any "good"
2107                         maxdist = 2100;
2108                 }
2109
2110                 float bestdist = maxdist;
2111                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WAYPOINTFLAG_NORELINK),
2112                 {
2113                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
2114                         if(d < bestdist)
2115                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
2116                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
2117                         {
2118                                 bestdist = d;
2119                                 p.(fld) = it;
2120                         }
2121                 });
2122                 if(bestdist < maxdist)
2123                 {
2124                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
2125                         return 0;
2126                 }
2127
2128                 if(bestdist < 2100)
2129                 {
2130                         // we know maxdist < 2100
2131                         // so wp -> porg is still valid
2132                         // all is good
2133                         p.(fld) = wp;
2134                         return 0;
2135                 }
2136
2137                 // otherwise, no existing WP can fix our issues
2138         }
2139         else
2140         {
2141                 save = p.origin;
2142                 setorigin(p, porg);
2143                 w = navigation_findnearestwaypoint(p, walkfromwp);
2144                 setorigin(p, save);
2145                 if(w)
2146                 {
2147                         p.(fld) = w;
2148                         return 0;
2149                 }
2150         }
2151
2152         tmin = 0;
2153         tmax = 1;
2154         for (;;)
2155         {
2156                 if(tmax - tmin < 0.001)
2157                 {
2158                         // did not get a good candidate
2159                         return -1;
2160                 }
2161
2162                 t = (tmin + tmax) * 0.5;
2163                 o = antilag_takebackorigin(p, CS(p), time - t);
2164                 if(!botframe_autowaypoints_fixdown(o))
2165                         return -2;
2166                 o = trace_endpos;
2167
2168                 if(wp)
2169                 {
2170                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
2171                         {
2172                                 // we cannot walk from wp.origin to o
2173                                 // get closer to tmax
2174                                 tmin = t;
2175                                 continue;
2176                         }
2177                 }
2178                 else
2179                 {
2180                         save = p.origin;
2181                         setorigin(p, o);
2182                         w = navigation_findnearestwaypoint(p, walkfromwp);
2183                         setorigin(p, save);
2184                         if(!w)
2185                         {
2186                                 // we cannot walk from any WP to o
2187                                 // get closer to tmax
2188                                 tmin = t;
2189                                 continue;
2190                         }
2191                 }
2192
2193                 // if we get here, o is valid regarding waypoints
2194                 // check if o is connected right to the player
2195                 // we break if it succeeds, as that means o is a good waypoint location
2196                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
2197                         break;
2198
2199                 // o is no good, we need to get closer to the player
2200                 tmax = t;
2201         }
2202
2203         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
2204         botframe_autowaypoints_createwp(o, p, fld, 0);
2205         return 1;
2206 }
2207
2208 // automatically create missing waypoints
2209 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
2210 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
2211 {
2212         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
2213         if(r != -1)
2214                 return;
2215         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
2216         if(r != -1)
2217                 return;
2218
2219         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
2220         if(!botframe_autowaypoints_fixdown(p.origin))
2221                 return; // shouldn't happen, caught above
2222         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
2223 }
2224
2225 void botframe_deleteuselesswaypoints()
2226 {
2227         IL_EACH(g_items, it.bot_pickup,
2228         {
2229                 // NOTE: this protects waypoints if they're the ONLY nearest
2230                 // waypoint. That's the intention.
2231                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
2232                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
2233         });
2234         IL_EACH(g_waypoints, true,
2235         {
2236                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
2237                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
2238                 // WP is useful if:
2239                 if (it.wpflags & WAYPOINTFLAG_ITEM)
2240                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2241                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
2242                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2243                 if (it.wpflags & WAYPOINTFLAG_LADDER)
2244                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2245                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
2246                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2247                 // b) WP is closest WP for an item/spawnpoint/other entity
2248                 //    This has been done above by protecting these WPs.
2249         });
2250         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
2251         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
2252         {
2253                 for (int m = 0; m < 32; ++m)
2254                 {
2255                         entity w = waypoint_get_link(it, m);
2256                         if (!w)
2257                                 break;
2258                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
2259                                 continue;
2260                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
2261                                 continue;
2262                         for (int j = 0; j < 32; ++j)
2263                         {
2264                                 entity w2 = waypoint_get_link(w, j);
2265                                 if (!w2)
2266                                         break;
2267                                 if (it == w2)
2268                                         continue;
2269                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
2270                                         continue;
2271                                 // If we got here, it != w2 exist with it -> w
2272                                 // and w -> w2. That means the waypoint is not
2273                                 // a dead end.
2274                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
2275                                 for (int k = 0; k < 32; ++k)
2276                                 {
2277                                         if (waypoint_get_link(it, k) == w2)
2278                                                 continue;
2279                                         // IF WE GET HERE, w is proven useful
2280                                         // to get from it to w2!
2281                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
2282                                         goto next;
2283                                 }
2284                         }
2285 LABEL(next)
2286                 }
2287         });
2288         // d) The waypoint is a dead end. Dead end waypoints must be kept as
2289         //     they are needed to complete routes while autowaypointing.
2290
2291         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
2292         {
2293                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
2294                 te_explosion(it.origin);
2295                 waypoint_remove(it);
2296                 break;
2297         });
2298
2299         IL_EACH(g_waypoints, true,
2300         {
2301                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
2302         });
2303 }
2304
2305 void botframe_autowaypoints()
2306 {
2307         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
2308                 // going back is broken, so only fix waypoints to walk TO the player
2309                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
2310                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
2311                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
2312         });
2313
2314         if (autocvar_g_waypointeditor_auto >= 2) {
2315                 botframe_deleteuselesswaypoints();
2316         }
2317 }
2318