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 void crosshair_trace_waypoints(entity pl);
 264 void waypoint_lock(entity pl)
 265 {
 266         crosshair_trace_waypoints(pl);
 267         pl.wp_locked = trace_ent;
 268 }
 269
 270 bool waypoint_has_hardwiredlinks(entity wp)
 271 {
 272         if (!wp)
 273                 return false;
 274         return (wp.wphw00 != NULL);
 275 }
 276
 277 bool waypoint_is_hardwiredlink(entity wp_from, entity wp_to)
 278 {
 279         if (!(wp_from && wp_to))
 280                 return false;
 281
 282         if (!wp_from.wphw00) return false; else if (wp_from.wphw00 == wp_to) return true;
 283         if (!wp_from.wphw01) return false; else if (wp_from.wphw01 == wp_to) return true;
 284         if (!wp_from.wphw02) return false; else if (wp_from.wphw02 == wp_to) return true;
 285         if (!wp_from.wphw03) return false; else if (wp_from.wphw03 == wp_to) return true;
 286         if (!wp_from.wphw04) return false; else if (wp_from.wphw04 == wp_to) return true;
 287         if (!wp_from.wphw05) return false; else if (wp_from.wphw05 == wp_to) return true;
 288         if (!wp_from.wphw06) return false; else if (wp_from.wphw06 == wp_to) return true;
 289         if (!wp_from.wphw07) return false; else if (wp_from.wphw07 == wp_to) return true;
 290
 291         return false;
 292 }
 293
 294 void waypoint_setupmodel(entity wp);
 295 void waypoint_mark_hardwiredlink(entity wp_from, entity wp_to)
 296 {
 297         if (!(wp_from && wp_to))
 298                 return;
 299
 300         if (!wp_from.wphw00 || wp_from.wphw00 == wp_to) { wp_from.wphw00 = wp_to; waypoint_setupmodel(wp_from); return; }
 301         if (!wp_from.wphw01 || wp_from.wphw01 == wp_to) { wp_from.wphw01 = wp_to; return; }
 302         if (!wp_from.wphw02 || wp_from.wphw02 == wp_to) { wp_from.wphw02 = wp_to; return; }
 303         if (!wp_from.wphw03 || wp_from.wphw03 == wp_to) { wp_from.wphw03 = wp_to; return; }
 304         if (!wp_from.wphw04 || wp_from.wphw04 == wp_to) { wp_from.wphw04 = wp_to; return; }
 305         if (!wp_from.wphw05 || wp_from.wphw05 == wp_to) { wp_from.wphw05 = wp_to; return; }
 306         if (!wp_from.wphw06 || wp_from.wphw06 == wp_to) { wp_from.wphw06 = wp_to; return; }
 307         if (!wp_from.wphw07 || wp_from.wphw07 == wp_to) { wp_from.wphw07 = wp_to; return; }
 308
 309         return;
 310 }
 311
 312 void waypoint_unmark_hardwiredlink(entity wp_from, entity wp_to)
 313 {
 314         if (!(wp_from && wp_to))
 315                 return;
 316
 317         int removed = -1;
 318         if (removed < 0 && wp_from.wphw00 == wp_to) removed = 0;
 319         if (removed < 0 && wp_from.wphw01 == wp_to) removed = 1;
 320         if (removed < 0 && wp_from.wphw02 == wp_to) removed = 2;
 321         if (removed < 0 && wp_from.wphw03 == wp_to) removed = 3;
 322         if (removed < 0 && wp_from.wphw04 == wp_to) removed = 4;
 323         if (removed < 0 && wp_from.wphw05 == wp_to) removed = 5;
 324         if (removed < 0 && wp_from.wphw06 == wp_to) removed = 6;
 325         if (removed < 0 && wp_from.wphw07 == wp_to) removed = 7;
 326
 327         if (removed >= 0)
 328         {
 329                 if (removed <= 0) wp_from.wphw00 = wp_from.wphw01;
 330                 if (removed <= 1) wp_from.wphw01 = wp_from.wphw02;
 331                 if (removed <= 2) wp_from.wphw02 = wp_from.wphw03;
 332                 if (removed <= 3) wp_from.wphw03 = wp_from.wphw04;
 333                 if (removed <= 4) wp_from.wphw04 = wp_from.wphw05;
 334                 if (removed <= 5) wp_from.wphw05 = wp_from.wphw06;
 335                 if (removed <= 6) wp_from.wphw06 = wp_from.wphw07;
 336                 if (removed <= 7) wp_from.wphw07 = NULL;
 337                 if (!wp_from.wphw00)
 338                         waypoint_setupmodel(wp_from);
 339         }
 340
 341         return;
 342 }
 343
 344 void waypoint_setupmodel(entity wp)
 345 {
 346         if (autocvar_g_waypointeditor)
 347         {
 348                 // TODO: add some sort of visible box in edit mode for box waypoints
 349                 vector m1 = wp.mins;
 350                 vector m2 = wp.maxs;
 351                 setmodel(wp, MDL_WAYPOINT);
 352                 setsize(wp, m1, m2);
 353                 wp.effects = EF_LOWPRECISION;
 354                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 355                         wp.colormod = '1 0 0'; // red
 356                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 357                         wp.colormod = '1 1 0'; // yellow
 358                 else if (wp.wpflags & WAYPOINTFLAG_SUPPORT)
 359                         wp.colormod = '0 1 0'; // green
 360                 else if (wp.wpflags & WAYPOINTFLAG_CUSTOM_JP)
 361                         wp.colormod = '1 0.5 0'; // orange
 362                 else if (wp.wpflags & WAYPOINTFLAG_TELEPORT)
 363                         wp.colormod = '1 0.5 0'; // orange
 364                 else if (wp.wpflags & WAYPOINTFLAG_LADDER)
 365                         wp.colormod = '1 0.5 0'; // orange
 366                 else if (wp.wpflags & WAYPOINTFLAG_JUMP)
 367                         wp.colormod = '1 0.5 0'; // orange
 368                 else if (wp.wpflags & WAYPOINTFLAG_CROUCH)
 369                         wp.colormod = '0 1 1'; // cyan
 370                 else if (waypoint_has_hardwiredlinks(wp))
 371                         wp.colormod = '0.5 0 1'; // purple
 372                 else
 373                         wp.colormod = '1 1 1';
 374         }
 375         else
 376                 wp.model = "";
 377 }
 378
 379 string waypoint_get_type_name(entity wp)
 380 {
 381         if (wp.wpflags & WAYPOINTFLAG_ITEM) return "^1Item waypoint";
 382         else if (wp.wpflags & WAYPOINTFLAG_CROUCH) return "^5Crouch waypoint";
 383         else if (wp.wpflags & WAYPOINTFLAG_JUMP) return "^xf80Jump waypoint";
 384         else if (wp.wpflags & WAYPOINTFLAG_SUPPORT) return "^2Support waypoint";
 385         else if (waypoint_has_hardwiredlinks(wp)) return "^x80fHardwired waypoint";
 386         else if (wp.wpflags & WAYPOINTFLAG_LADDER) return "^3Ladder waypoint";
 387         else if (wp.wpflags & WAYPOINTFLAG_TELEPORT)
 388         {
 389                 if (!wp.wpisbox) return "^3Warpzone waypoint";
 390                 else if (wp.wpflags & WAYPOINTFLAG_CUSTOM_JP) return "^3Custom jumppad waypoint";
 391                 else
 392                 {
 393                         IL_EACH(g_jumppads, boxesoverlap(wp.absmin, wp.absmax, it.absmin, it.absmax),
 394                                 { return "^3Jumppad waypoint"; });
 395                         return "^3Teleport waypoint";
 396                 }
 397         }
 398
 399         return "^7Waypoint";
 400 }
 401
 402 entity waypoint_get(vector m1, vector m2)
 403 {
 404         if (m1 == m2)
 405         {
 406                 m1 -= '8 8 8';
 407                 m2 += '8 8 8';
 408         }
 409         IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax), { return it; });
 410
 411         return NULL;
 412 }
 413
 414 .float createdtime;
 415 entity waypoint_spawn(vector m1, vector m2, float f)
 416 {
 417         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
 418         {
 419                 entity wp_found = waypoint_get(m1, m2);
 420                 if (wp_found)
 421                         return wp_found;
 422         }
 423         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
 424         // otherwise links loaded from file would be applied only to the first destination
 425         // waypoint since link format doesn't specify waypoint entities but just positions
 426         if((f & WAYPOINTFLAG_GENERATED) && !(f & (WPFLAGMASK_NORELINK | WAYPOINTFLAG_PERSONAL)) && m1 == m2)
 427         {
 428                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
 429                 {
 430                         return it;
 431                 });
 432         }
 433
 434         entity w = new(waypoint);
 435         IL_PUSH(g_waypoints, w);
 436         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 437         w.wpflags = f;
 438         w.solid = SOLID_TRIGGER;
 439         w.createdtime = time;
 440         setorigin(w, (m1 + m2) * 0.5);
 441         setsize(w, m1 - w.origin, m2 - w.origin);
 442         if (w.size)
 443                 w.wpisbox = true;
 444
 445         if(!w.wpisbox)
 446         {
 447                 if (f & WAYPOINTFLAG_CROUCH)
 448                         setsize(w, PL_CROUCH_MIN_CONST - '1 1 0', PL_CROUCH_MAX_CONST + '1 1 0');
 449                 else
 450                         setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
 451                 if(!move_out_of_solid(w))
 452                 {
 453                         if(!(f & WAYPOINTFLAG_GENERATED))
 454                         {
 455                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
 456                                 delete(w);
 457                                 return NULL;
 458                         }
 459                         else
 460                         {
 461                                 if(autocvar_developer)
 462                                 {
 463                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
 464                                         backtrace("Waypoint stuck");
 465                                 }
 466                         }
 467                 }
 468                 setsize(w, '0 0 0', '0 0 0');
 469         }
 470
 471         waypoint_clearlinks(w);
 472         //waypoint_schedulerelink(w);
 473
 474         waypoint_setupmodel(w);
 475
 476         return w;
 477 }
 478
 479 float trigger_push_get_push_time(entity this, vector endpos);
 480 void waypoint_addlink_for_custom_jumppad(entity wp_from, entity wp_to)
 481 {
 482         entity jp = NULL;
 483         IL_EACH(g_jumppads, boxesoverlap(wp_from.absmin, wp_from.absmax, it.absmin, it.absmax),
 484         {
 485                 jp = it;
 486                 break;
 487         });
 488         if (!jp)
 489                 return;
 490
 491         float cost = trigger_push_get_push_time(jp, wp_to.origin);
 492         wp_from.wp00 = wp_to;
 493         wp_from.wp00mincost = cost;
 494         jp.nearestwaypoint = wp_from;
 495         jp.nearestwaypointtimeout = -1;
 496 }
 497
 498 bool start_wp_is_spawned;
 499 vector start_wp_origin;
 500 bool start_wp_is_hardwired;
 501 bool start_wp_is_support;
 502
 503 void waypoint_clear_start_wp_globals(entity pl, bool warn)
 504 {
 505         start_wp_is_spawned = false;
 506         start_wp_origin = '0 0 0';
 507         pl.wp_locked = NULL;
 508         start_wp_is_hardwired = false;
 509         start_wp_is_support = false;
 510         if (warn)
 511                 LOG_INFO("^xf80Start waypoint has been cleared.\n");
 512 }
 513
 514 void waypoint_start_hardwiredlink(entity pl, bool at_crosshair)
 515 {
 516         entity wp = pl.nearestwaypoint;
 517         if (at_crosshair)
 518         {
 519                 crosshair_trace_waypoints(pl);
 520                 wp = trace_ent;
 521         }
 522         string err = "";
 523         if (start_wp_is_spawned && !start_wp_is_hardwired)
 524                 err = "can't hardwire while in the process of creating a special link";
 525         else if (!wp)
 526         {
 527                 if (at_crosshair)
 528                         err = "couldn't find any waypoint at crosshair";
 529                 else
 530                         err = "couldn't find any waypoint nearby";
 531         }
 532         else if (wp.wpflags & WPFLAGMASK_NORELINK)
 533                 err = "can't hardwire a waypoint with special links";
 534
 535         if (err == "")
 536         {
 537                 start_wp_is_hardwired = true;
 538                 start_wp_is_spawned = true;
 539                 start_wp_origin = wp.origin;
 540                 pl.wp_locked = wp;
 541                 LOG_INFOF("^x80fWaypoint %s marked as hardwired link origin.\n", vtos(wp.origin));
 542         }
 543         else
 544         {
 545                 start_wp_is_hardwired = false;
 546                 LOG_INFO("Error: ", err, "\n");
 547         }
 548 }
 549
 550 void waypoint_spawn_fromeditor(entity pl, bool at_crosshair, bool is_jump_wp, bool is_crouch_wp, bool is_support_wp)
 551 {
 552         if (WAYPOINT_VERSION < waypoint_version_loaded)
 553         {
 554                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 555                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 556                 return;
 557         }
 558
 559         entity e = NULL, jp = NULL;
 560         vector org = pl.origin;
 561         if (at_crosshair)
 562         {
 563                 crosshair_trace_waypoints(pl);
 564                 org = trace_endpos;
 565                 if (!trace_ent)
 566                         org.z -= PL_MIN_CONST.z;
 567                 if (!(start_wp_is_hardwired || start_wp_is_support))
 568                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 569                         {
 570                                 jp = it;
 571                                 break;
 572                         });
 573                 if (!jp && !start_wp_is_spawned && trace_ent)
 574                 {
 575                         if (trace_ent.wpflags & (WAYPOINTFLAG_JUMP))
 576                                 is_jump_wp = true;
 577                         else if (trace_ent.wpflags & (WAYPOINTFLAG_SUPPORT))
 578                                 is_support_wp = true;
 579                 }
 580         }
 581         if (jp || is_jump_wp || is_support_wp)
 582         {
 583                 if (start_wp_is_spawned)
 584                         start_wp_is_spawned = false;
 585                 LOG_INFO("^xf80Spawning start waypoint...\n");
 586         }
 587         int ctf_flags = havocbot_symmetry_origin_order;
 588         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 589                    || (autocvar_g_waypointeditor_symmetrical < 0));
 590         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 591                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 592         if (sym && ctf_flags < 2)
 593                 ctf_flags = 2;
 594         int wp_num = ctf_flags;
 595
 596         if(!PHYS_INPUT_BUTTON_CROUCH(pl) && !at_crosshair && !is_jump_wp && !is_support_wp)
 597         {
 598                 // snap waypoint to item's origin if close enough
 599                 IL_EACH(g_items, true,
 600                 {
 601                         vector item_org = (it.absmin + it.absmax) * 0.5;
 602                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
 603                         if (vlen(item_org - org) < 20)
 604                         {
 605                                 org = item_org;
 606                                 break;
 607                         }
 608                 });
 609         }
 610
 611         vector start_org = '0 0 0';
 612         if (start_wp_is_spawned)
 613         {
 614                 if (!start_wp_is_hardwired)
 615                         LOG_INFO("^xf80Spawning destination waypoint...\n");
 616                 start_org = start_wp_origin;
 617         }
 618
 619         // save org as it can be modified spawning symmetrycal waypoints
 620         vector initial_origin = '0 0 0';
 621         bool initial_origin_is_set = false;
 622
 623         LABEL(add_wp);
 624
 625         if (jp)
 626         {
 627                 e = NULL;
 628                 IL_EACH(g_waypoints, (it.wpflags & WPFLAGMASK_NORELINK)
 629                         && boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 630                 {
 631                         e = it; break;
 632                 });
 633                 if (!e)
 634                         e = waypoint_spawn(jp.absmin - PL_MAX_CONST + '1 1 1', jp.absmax - PL_MIN_CONST + '-1 -1 -1', WAYPOINTFLAG_TELEPORT);
 635                 if (!pl.wp_locked)
 636                         pl.wp_locked = e;
 637         }
 638         else if (is_jump_wp || is_support_wp)
 639         {
 640                 int type_flag = (is_jump_wp) ? WAYPOINTFLAG_JUMP : WAYPOINTFLAG_SUPPORT;
 641
 642                 entity wp_found = waypoint_get(org, org);
 643                 if (wp_found && !(wp_found.wpflags & type_flag))
 644                 {
 645                         LOG_INFOF("Error: can't spawn a %s waypoint over an existent waypoint of a different type\n", (is_jump_wp) ? "Jump" : "Support");
 646                         return;
 647                 }
 648                 e = waypoint_spawn(org, org, type_flag);
 649                 if (!pl.wp_locked)
 650                         pl.wp_locked = e;
 651         }
 652         else
 653                 e = waypoint_spawn(org, org, (is_crouch_wp) ? WAYPOINTFLAG_CROUCH : 0);
 654         if(!e)
 655         {
 656                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
 657                 if (start_wp_is_spawned)
 658                         waypoint_clear_start_wp_globals(pl, true);
 659                 return;
 660         }
 661
 662         if (!initial_origin_is_set)
 663         {
 664                 initial_origin = e.origin;
 665                 initial_origin_is_set = true;
 666         }
 667
 668         entity start_wp = NULL;
 669         if (start_wp_is_spawned)
 670         {
 671                 IL_EACH(g_waypoints, (start_wp_is_hardwired || (it.wpflags & WPFLAGMASK_NORELINK))
 672                         && boxesoverlap(start_org, start_org, it.absmin, it.absmax),
 673                 {
 674                         start_wp = it; break;
 675                 });
 676                 if(!start_wp)
 677                 {
 678                         // should not happen
 679                         LOG_INFOF("Couldn't find start waypoint at %v\n", start_org);
 680                         waypoint_clear_start_wp_globals(pl, true);
 681                         return;
 682                 }
 683                 if (start_wp_is_hardwired)
 684                 {
 685                         if (waypoint_is_hardwiredlink(start_wp, e))
 686                         {
 687                                 waypoint_unmark_hardwiredlink(start_wp, e);
 688                                 waypoint_removelink(start_wp, e);
 689                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 690                                 LOG_INFOF("^x80fRemoved hardwired link %s.\n", s);
 691                         }
 692                         else
 693                         {
 694                                 if (e.createdtime == time)
 695                                 {
 696                                         LOG_INFO("Error: hardwired links can be created only between 2 existing (and unconnected) waypoints.\n");
 697                                         waypoint_remove(e);
 698                                         waypoint_clear_start_wp_globals(pl, true);
 699                                         waypoint_spawn_fromeditor(pl, at_crosshair, is_jump_wp, is_crouch_wp, is_support_wp);
 700                                         return;
 701                                 }
 702                                 if (start_wp == e)
 703                                 {
 704                                         LOG_INFO("Error: start and destination waypoints coincide.\n");
 705                                         waypoint_clear_start_wp_globals(pl, true);
 706                                         return;
 707                                 }
 708                                 if (waypoint_islinked(start_wp, e))
 709                                 {
 710                                         LOG_INFO("Error: waypoints are already linked.\n");
 711                                         waypoint_clear_start_wp_globals(pl, true);
 712                                         return;
 713                                 }
 714                                 waypoint_addlink(start_wp, e);
 715                                 waypoint_mark_hardwiredlink(start_wp, e);
 716                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 717                                 LOG_INFOF("^x80fAdded hardwired link %s.\n", s);
 718                         }
 719                 }
 720                 else
 721                 {
 722                         if (start_wp_is_support)
 723                         {
 724                                 if (e.SUPPORT_WP)
 725                                 {
 726                                         LOG_INFOF("Waypoint %v has already a support waypoint, delete it first.\n", e.origin);
 727                                         waypoint_clear_start_wp_globals(pl, true);
 728                                         return;
 729                                 }
 730                                 // clear all links to e
 731                                 IL_EACH(g_waypoints, it != e,
 732                                 {
 733                                         if (waypoint_islinked(it, e) && !waypoint_is_hardwiredlink(it, e))
 734                                                 waypoint_removelink(it, e);
 735                                 });
 736                         }
 737                         waypoint_addlink(start_wp, e);
 738                 }
 739         }
 740
 741         if (!(jp || is_jump_wp || is_support_wp || start_wp_is_hardwired))
 742                 waypoint_schedulerelink(e);
 743
 744         string wp_type_str = waypoint_get_type_name(e);
 745
 746         bprint(strcat(wp_type_str, "^7 spawned at ", vtos(e.origin), "\n"));
 747
 748         if (start_wp_is_spawned)
 749         {
 750                 pl.wp_locked = NULL;
 751                 if (!start_wp_is_hardwired)
 752                         waypoint_schedulerelink(start_wp);
 753                 if (start_wp.wpflags & WAYPOINTFLAG_TELEPORT)
 754                 {
 755                         if (start_wp.wp00_original == start_wp.wp00)
 756                                 start_wp.wpflags &= ~WAYPOINTFLAG_CUSTOM_JP;
 757                         else
 758                                 start_wp.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
 759                 }
 760         }
 761
 762         if (sym)
 763         {
 764                 org = waypoint_getSymmetricalPoint(org, ctf_flags);
 765                 if (jp)
 766                 {
 767                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 768                         {
 769                                 jp = it; break;
 770                         });
 771                 }
 772                 if (start_wp_is_spawned)
 773                         start_org = waypoint_getSymmetricalPoint(start_org, ctf_flags);
 774                 if (vdist(org - pl.origin, >, 32))
 775                 {
 776                         if(wp_num > 2)
 777                                 wp_num--;
 778                         else
 779                                 sym = false;
 780                         goto add_wp;
 781                 }
 782         }
 783         if (jp || is_jump_wp || is_support_wp)
 784         {
 785                 if (!start_wp_is_spawned)
 786                 {
 787                         // we've just created a custom jumppad waypoint
 788                         // the next one created by the user will be the destination waypoint
 789                         start_wp_is_spawned = true;
 790                         start_wp_origin = initial_origin;
 791                         if (is_support_wp)
 792                                 start_wp_is_support = true;
 793                 }
 794         }
 795         else if (start_wp_is_spawned)
 796         {
 797                 waypoint_clear_start_wp_globals(pl, false);
 798         }
 799 }
 800
 801 void waypoint_remove(entity wp)
 802 {
 803         IL_EACH(g_waypoints, it != wp,
 804         {
 805                 if (it.SUPPORT_WP == wp)
 806                 {
 807                         it.SUPPORT_WP = NULL;
 808                         waypoint_schedulerelink(it); // restore incoming links
 809                 }
 810                 if (waypoint_islinked(it, wp))
 811                 {
 812                         if (waypoint_is_hardwiredlink(it, wp))
 813                                 waypoint_unmark_hardwiredlink(it, wp);
 814                         waypoint_removelink(it, wp);
 815                 }
 816         });
 817         delete(wp);
 818 }
 819
 820 void waypoint_remove_fromeditor(entity pl)
 821 {
 822         if (WAYPOINT_VERSION < waypoint_version_loaded)
 823         {
 824                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 825                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 826                 return;
 827         }
 828
 829         entity e = navigation_findnearestwaypoint(pl, false);
 830
 831         int ctf_flags = havocbot_symmetry_origin_order;
 832         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 833                    || (autocvar_g_waypointeditor_symmetrical < 0));
 834         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 835                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 836         if (sym && ctf_flags < 2)
 837                 ctf_flags = 2;
 838         int wp_num = ctf_flags;
 839
 840         LABEL(remove_wp);
 841         if (!e) return;
 842
 843         if (e.wpflags & WAYPOINTFLAG_GENERATED)
 844         {
 845                 if (start_wp_is_spawned)
 846                         waypoint_clear_start_wp_globals(pl, true);
 847                 return;
 848         }
 849
 850         if (waypoint_has_hardwiredlinks(e))
 851         {
 852                 LOG_INFO("Can't remove a waypoint with hardwired links, remove links with \"wpeditor hardwire\" first\n");
 853                 return;
 854         }
 855
 856         entity wp_sym = NULL;
 857         if (sym)
 858         {
 859                 vector org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 860                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
 861                         if(vdist(org - it.origin, <, 3))
 862                         {
 863                                 wp_sym = it;
 864                                 break;
 865                         }
 866                 });
 867         }
 868
 869         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
 870         te_explosion(e.origin);
 871         waypoint_remove(e);
 872
 873         if (sym && wp_sym)
 874         {
 875                 e = wp_sym;
 876                 if(wp_num > 2)
 877                         wp_num--;
 878                 else
 879                         sym = false;
 880                 goto remove_wp;
 881         }
 882
 883         if (start_wp_is_spawned)
 884                 waypoint_clear_start_wp_globals(pl, true);
 885 }
 886
 887 void waypoint_removelink(entity from, entity to)
 888 {
 889         if (from == to || ((from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))))
 890                 return;
 891
 892         entity fromwp31_prev = from.wp31;
 893
 894         switch (waypoint_getlinknum(from, to))
 895         {
 896                 // fallthrough all the way
 897                 case  0: from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;
 898                 case  1: from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;
 899                 case  2: from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;
 900                 case  3: from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;
 901                 case  4: from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;
 902                 case  5: from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;
 903                 case  6: from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;
 904                 case  7: from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;
 905                 case  8: from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;
 906                 case  9: from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;
 907                 case 10: from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;
 908                 case 11: from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;
 909                 case 12: from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;
 910                 case 13: from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;
 911                 case 14: from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;
 912                 case 15: from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;
 913                 case 16: from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;
 914                 case 17: from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;
 915                 case 18: from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;
 916                 case 19: from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;
 917                 case 20: from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;
 918                 case 21: from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;
 919                 case 22: from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;
 920                 case 23: from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;
 921                 case 24: from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;
 922                 case 25: from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;
 923                 case 26: from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;
 924                 case 27: from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;
 925                 case 28: from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;
 926                 case 29: from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;
 927                 case 30: from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;
 928                 case 31: from.wp31 = NULL; from.wp31mincost = 10000000;
 929         }
 930
 931         if (fromwp31_prev && !from.wp31)
 932                 waypoint_schedulerelink(from);
 933 }
 934
 935 int waypoint_getlinknum(entity from, entity to)
 936 {
 937         if (from.wp00 == to) return  0; if (from.wp01 == to) return  1; if (from.wp02 == to) return  2; if (from.wp03 == to) return  3;
 938         if (from.wp04 == to) return  4; if (from.wp05 == to) return  5; if (from.wp06 == to) return  6; if (from.wp07 == to) return  7;
 939         if (from.wp08 == to) return  8; if (from.wp09 == to) return  9; if (from.wp10 == to) return 10; if (from.wp11 == to) return 11;
 940         if (from.wp12 == to) return 12; if (from.wp13 == to) return 13; if (from.wp14 == to) return 14; if (from.wp15 == to) return 15;
 941         if (from.wp16 == to) return 16; if (from.wp17 == to) return 17; if (from.wp18 == to) return 18; if (from.wp19 == to) return 19;
 942         if (from.wp20 == to) return 20; if (from.wp21 == to) return 21; if (from.wp22 == to) return 22; if (from.wp23 == to) return 23;
 943         if (from.wp24 == to) return 24; if (from.wp25 == to) return 25; if (from.wp26 == to) return 26; if (from.wp27 == to) return 27;
 944         if (from.wp28 == to) return 28; if (from.wp29 == to) return 29; if (from.wp30 == to) return 30; if (from.wp31 == to) return 31;
 945         return -1;
 946 }
 947
 948 bool waypoint_islinked(entity from, entity to)
 949 {
 950         return (waypoint_getlinknum(from, to) >= 0);
 951 }
 952
 953 void waypoint_updatecost_foralllinks()
 954 {
 955         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
 956         {
 957                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
 958                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
 959                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
 960                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
 961                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
 962                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
 963                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
 964                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
 965                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
 966                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
 967                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
 968                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
 969                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
 970                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
 971                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
 972                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
 973                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
 974                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
 975                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
 976                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
 977                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
 978                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
 979                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
 980                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
 981                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
 982                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
 983                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
 984                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
 985                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
 986                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
 987                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
 988                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
 989         });
 990 }
 991
 992 float waypoint_getlinearcost(float dist)
 993 {
 994         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
 995                 return dist / (autocvar_sv_maxspeed * 1.25);
 996         return dist / autocvar_sv_maxspeed;
 997 }
 998
 999 float waypoint_getlinearcost_underwater(float dist)
1000 {
1001         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
1002         return dist / (autocvar_sv_maxspeed * 0.7);
1003 }
1004
1005 float waypoint_getlinearcost_crouched(float dist)
1006 {
1007         return dist / (autocvar_sv_maxspeed * 0.5);
1008 }
1009
1010 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
1011 {
1012         bool submerged_from = navigation_check_submerged_state(from_ent, from);
1013         bool submerged_to = navigation_check_submerged_state(to_ent, to);
1014
1015         if (submerged_from && submerged_to)
1016                 return waypoint_getlinearcost_underwater(vlen(to - from));
1017
1018         if ((from_ent.wpflags & WAYPOINTFLAG_CROUCH) && (to_ent.wpflags & WAYPOINTFLAG_CROUCH))
1019                 return waypoint_getlinearcost_crouched(vlen(to - from));
1020
1021         float c = waypoint_getlinearcost(vlen(to - from));
1022
1023         float height = from.z - to.z;
1024         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
1025         {
1026                 float height_cost; // fall cost
1027                 if (from_ent.wpflags & WAYPOINTFLAG_JUMP)
1028                         height_cost = jumpheight_time + sqrt((height + jumpheight_vec.z) / (autocvar_sv_gravity / 2));
1029                 else
1030                         height_cost = sqrt(height / (autocvar_sv_gravity / 2));
1031                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
1032                 if(height_cost > c)
1033                         c = height_cost;
1034         }
1035
1036         // consider half path underwater
1037         if (submerged_from || submerged_to)
1038                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
1039
1040         // consider half path crouched
1041         if ((from_ent.wpflags & WAYPOINTFLAG_CROUCH) || (to_ent.wpflags & WAYPOINTFLAG_CROUCH))
1042                 return (c + waypoint_getlinearcost_crouched(vlen(to - from))) / 2;
1043
1044         return c;
1045 }
1046
1047 float waypoint_getlinkcost(entity from, entity to)
1048 {
1049         vector v1 = from.origin;
1050         vector v2 = to.origin;
1051         if (from.wpisbox)
1052         {
1053                 vector m1 = from.absmin, m2 = from.absmax;
1054                 v1.x = bound(m1.x, v2.x, m2.x);
1055                 v1.y = bound(m1.y, v2.y, m2.y);
1056                 v1.z = bound(m1.z, v2.z, m2.z);
1057         }
1058         if (to.wpisbox)
1059         {
1060                 vector m1 = to.absmin, m2 = to.absmax;
1061                 v2.x = bound(m1.x, v1.x, m2.x);
1062                 v2.y = bound(m1.y, v1.y, m2.y);
1063                 v2.z = bound(m1.z, v1.z, m2.z);
1064         }
1065         return waypoint_gettravelcost(v1, v2, from, to);
1066 }
1067
1068 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
1069 // if c == -1 automatically determine cost of the link
1070 void waypoint_addlink_customcost(entity from, entity to, float c)
1071 {
1072         if (from == to || waypoint_islinked(from, to))
1073                 return;
1074         if (c == -1 && (from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1075                 return;
1076
1077         if(c == -1)
1078                 c = waypoint_getlinkcost(from, to);
1079
1080         if (from.wp31mincost < c) return;
1081         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
1082         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
1083         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
1084         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
1085         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
1086         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
1087         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
1088         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
1089         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
1090         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
1091         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
1092         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
1093         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
1094         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
1095         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
1096         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
1097         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
1098         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
1099         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
1100         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
1101         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
1102         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
1103         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
1104         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
1105         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
1106         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
1107         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
1108         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
1109         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
1110         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
1111         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
1112         from.wp00 = to;from.wp00mincost = c;return;
1113 }
1114
1115 void waypoint_addlink(entity from, entity to)
1116 {
1117         if ((from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1118                 waypoint_addlink_for_custom_jumppad(from, to);
1119         else
1120                 waypoint_addlink_customcost(from, to, -1);
1121
1122         if (from.wpflags & WAYPOINTFLAG_SUPPORT)
1123                 to.SUPPORT_WP = from;
1124 }
1125
1126 // relink this spawnfunc_waypoint
1127 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
1128 // (SLOW!)
1129 void waypoint_think(entity this)
1130 {
1131         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
1132         float sv2_height = 0, ev2_height = 0;
1133
1134         bot_calculate_stepheightvec();
1135
1136         int dphitcontentsmask_save = this.dphitcontentsmask;
1137         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
1138
1139         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
1140
1141         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
1142         IL_EACH(g_waypoints, this != it,
1143         {
1144                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
1145                 {
1146                         if (!(this.wpflags & WPFLAGMASK_NORELINK))
1147                                 waypoint_addlink(this, it);
1148                         if (!(it.wpflags & WPFLAGMASK_NORELINK))
1149                                 waypoint_addlink(it, this);
1150                 }
1151                 else
1152                 {
1153                         ++relink_total;
1154                         if(!checkpvs(this.origin, it))
1155                         {
1156                                 ++relink_pvsculled;
1157                                 continue;
1158                         }
1159
1160                         sv = set_tracewalk_dest_2(this, it.origin);
1161                         sv2 = tracewalk_dest;
1162                         sv2_height = tracewalk_dest_height;
1163                         ev = set_tracewalk_dest_2(it, this.origin);
1164                         ev2 = tracewalk_dest;
1165                         ev2_height = tracewalk_dest_height;
1166
1167                         dv = ev - sv;
1168                         dv.z = 0;
1169                         int maxdist = 1050;
1170                         vector m1 = PL_MIN_CONST;
1171                         vector m2 = PL_MAX_CONST;
1172
1173                         if ((this.wpflags & WAYPOINTFLAG_CROUCH) || (it.wpflags & WAYPOINTFLAG_CROUCH))
1174                         {
1175                                 m1 = PL_CROUCH_MIN_CONST;
1176                                 m2 = PL_CROUCH_MAX_CONST;
1177                                 // links from crouch wp to normal wp (and viceversa) are very short to avoid creating many links
1178                                 // that would be wasted due to rough travel cost calculation (the longer link is, the higher cost is)
1179                                 // links from crouch wp to crouch wp can be as long as normal links
1180                                 if (!((this.wpflags & WAYPOINTFLAG_CROUCH) && (it.wpflags & WAYPOINTFLAG_CROUCH)))
1181                                         maxdist = 100;
1182                         }
1183
1184                         if (vdist(dv, >=, maxdist)) // max search distance in XY
1185                         {
1186                                 ++relink_lengthculled;
1187                                 continue;
1188                         }
1189
1190                         navigation_testtracewalk = 0;
1191
1192                         //traceline(this.origin, it.origin, false, NULL);
1193                         //if (trace_fraction == 1)
1194                         if (this.wpisbox || (this.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)) // forbid outgoing links
1195                                 || it.SUPPORT_WP) // forbid incoming links
1196                         {
1197                                 relink_walkculled += 0.5;
1198                         }
1199                         else
1200                         {
1201                                 if (tracewalk(this, sv, m1, m2, ev2, ev2_height, MOVE_NOMONSTERS))
1202                                         waypoint_addlink(this, it);
1203                                 else
1204                                         relink_walkculled += 0.5;
1205                         }
1206
1207                         // reverse direction
1208                         if (it.wpisbox || (it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)) // forbid incoming links
1209                                 || this.SUPPORT_WP) // forbid outgoing links
1210                         {
1211                                 relink_walkculled += 0.5;
1212                         }
1213                         else
1214                         {
1215                                 if (tracewalk(this, ev, m1, m2, sv2, sv2_height, MOVE_NOMONSTERS))
1216                                         waypoint_addlink(it, this);
1217                                 else
1218                                         relink_walkculled += 0.5;
1219                         }
1220                 }
1221         });
1222         navigation_testtracewalk = 0;
1223         this.wplinked = true;
1224         this.dphitcontentsmask = dphitcontentsmask_save;
1225
1226         setthink(this, func_null);
1227         this.nextthink = 0;
1228 }
1229
1230 void waypoint_clearlinks(entity wp)
1231 {
1232         // clear links to other waypoints
1233         float f = 10000000;
1234         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
1235         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
1236         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
1237         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
1238
1239         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
1240         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
1241         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
1242         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
1243
1244         wp.wplinked = false;
1245 }
1246
1247 // tell a spawnfunc_waypoint to relink
1248 void waypoint_schedulerelink(entity wp)
1249 {
1250         if (wp == NULL)
1251                 return;
1252
1253         waypoint_setupmodel(wp);
1254         wp.wpisbox = vdist(wp.size, >, 0);
1255         wp.enemy = NULL;
1256         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
1257                 wp.owner = NULL;
1258         if (!(wp.wpflags & WPFLAGMASK_NORELINK))
1259                 waypoint_clearlinks(wp);
1260         // schedule an actual relink on next frame
1261         setthink(wp, waypoint_think);
1262         wp.nextthink = time;
1263         wp.effects = EF_LOWPRECISION;
1264 }
1265
1266 // spawnfunc_waypoint map entity
1267 spawnfunc(waypoint)
1268 {
1269         IL_PUSH(g_waypoints, this);
1270
1271         setorigin(this, this.origin);
1272         // schedule a relink after other waypoints have had a chance to spawn
1273         waypoint_clearlinks(this);
1274         //waypoint_schedulerelink(this);
1275 }
1276
1277 // tell all waypoints to relink
1278 // actually this is useful only to update relink_* stats
1279 void waypoint_schedulerelinkall()
1280 {
1281         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
1282         IL_EACH(g_waypoints, true,
1283         {
1284                 waypoint_schedulerelink(it);
1285         });
1286         waypoint_load_hardwiredlinks();
1287 }
1288
1289 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
1290
1291 // Load waypoint links from file
1292 bool waypoint_load_links()
1293 {
1294         string s;
1295         float file, tokens, c = 0, found;
1296         entity wp_from = NULL, wp_to;
1297         vector wp_to_pos, wp_from_pos;
1298
1299         string gt_ext = GET_GAMETYPE_EXTENSION();
1300
1301         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1302         file = fopen(filename, FILE_READ);
1303
1304         if (gt_ext != "" && file < 0)
1305         {
1306                 // if race waypoint file doesn't exist load the default one
1307                 filename = sprintf("maps/%s.waypoints.cache", mapname);
1308                 file = fopen(filename, FILE_READ);
1309         }
1310
1311         if (file < 0)
1312         {
1313                 LOG_TRACE("waypoint links load from ", filename, " failed");
1314                 waypoint_schedulerelinkall();
1315                 return false;
1316         }
1317
1318         bool parse_comments = true;
1319         float ver = 0;
1320         string links_time = string_null;
1321
1322         while ((s = fgets(file)))
1323         {
1324                 if(parse_comments)
1325                 {
1326                         if(substring(s, 0, 2) == "//")
1327                         {
1328                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1329                                         ver = stof(substring(s, 19, -1));
1330                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1331                                         links_time = substring(s, 16, -1);
1332                                 continue;
1333                         }
1334                         else
1335                         {
1336                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
1337                                 {
1338                                         if (links_time != waypoint_time)
1339                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
1340                                         else
1341                                                 LOG_TRACE("waypoint links for this map are outdated.");
1342                                         if (g_assault)
1343                                         {
1344                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
1345                                         }
1346                                         else
1347                                         {
1348                                                 LOG_TRACE("automatically updating...");
1349                                                 waypoint_schedulerelinkall();
1350                                                 fclose(file);
1351                                                 return false;
1352                                         }
1353                                 }
1354                                 parse_comments = false;
1355                         }
1356                 }
1357
1358                 tokens = tokenizebyseparator(s, "*");
1359
1360                 if (tokens!=2)
1361                 {
1362                         // bad file format
1363                         fclose(file);
1364                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
1365                         return false;
1366                 }
1367
1368                 wp_from_pos     = stov(argv(0));
1369                 wp_to_pos       = stov(argv(1));
1370
1371                 // Search "from" waypoint
1372                 if(!wp_from || wp_from.origin!=wp_from_pos)
1373                 {
1374                         wp_from = findradius(wp_from_pos, 1);
1375                         found = false;
1376                         while(wp_from)
1377                         {
1378                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
1379                                 if(wp_from.classname == "waypoint")
1380                                 {
1381                                         found = true;
1382                                         break;
1383                                 }
1384                                 wp_from = wp_from.chain;
1385                         }
1386
1387                         if(!found)
1388                         {
1389                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
1390                                 continue;
1391                         }
1392                 }
1393
1394                 // Search "to" waypoint
1395                 wp_to = findradius(wp_to_pos, 1);
1396                 found = false;
1397                 while(wp_to)
1398                 {
1399                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
1400                         if(wp_to.classname == "waypoint")
1401                         {
1402                                 found = true;
1403                                 break;
1404                         }
1405                         wp_to = wp_to.chain;
1406                 }
1407
1408                 if(!found)
1409                 {
1410                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
1411                         continue;
1412                 }
1413
1414                 ++c;
1415                 waypoint_addlink(wp_from, wp_to);
1416                 if (wp_from.wp00_original && wp_from.wp00_original != wp_from.wp00)
1417                         wp_from.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
1418         }
1419
1420         fclose(file);
1421
1422         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
1423
1424         bool scheduled = false;
1425         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
1426         {
1427                 if (!it.wp00)
1428                 {
1429                         waypoint_schedulerelink(it);
1430                         scheduled = true;
1431                 }
1432         });
1433         if (scheduled)
1434                 return false;
1435
1436         botframe_cachedwaypointlinks = true;
1437         return true;
1438 }
1439
1440 void waypoint_load_hardwiredlinks()
1441 {
1442         string s;
1443         float file, tokens, c = 0, found;
1444         entity wp_from = NULL, wp_to;
1445         vector wp_to_pos, wp_from_pos;
1446
1447         string gt_ext = GET_GAMETYPE_EXTENSION();
1448
1449         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1450         file = fopen(filename, FILE_READ);
1451
1452         if (gt_ext != "" && file < 0)
1453         {
1454                 // if race waypoint file doesn't exist load the default one
1455                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
1456                 file = fopen(filename, FILE_READ);
1457         }
1458
1459         botframe_loadedforcedlinks = true;
1460
1461         if (file < 0)
1462         {
1463                 LOG_TRACE("waypoint links load from ", filename, " failed");
1464                 return;
1465         }
1466
1467         bool is_special = false;
1468         while ((s = fgets(file)))
1469         {
1470                 if(substring(s, 0, 2)=="//")
1471                         continue;
1472
1473                 if(substring(s, 0, 1)=="#")
1474                         continue;
1475
1476                 // special links start with *, so old xonotic versions don't load them
1477                 is_special = false;
1478                 if (substring(s, 0, 1) == "*")
1479                 {
1480                         is_special = true;
1481                         s = substring(s, 1, -1);
1482                 }
1483
1484                 tokens = tokenizebyseparator(s, "*");
1485
1486                 if (tokens!=2)
1487                         continue;
1488
1489                 wp_from_pos     = stov(argv(0));
1490                 wp_to_pos       = stov(argv(1));
1491
1492                 // Search "from" waypoint
1493                 if(!wp_from || wp_from.origin!=wp_from_pos)
1494                 {
1495                         wp_from = findradius(wp_from_pos, 5);
1496                         found = false;
1497                         while(wp_from)
1498                         {
1499                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
1500                                 if(wp_from.classname == "waypoint")
1501                                 {
1502                                         found = true;
1503                                         break;
1504                                 }
1505                                 wp_from = wp_from.chain;
1506                         }
1507
1508                         if(!found)
1509                         {
1510                                 s = strcat(((is_special) ? "special link " : "hardwired link "), s);
1511                                 LOG_INFO("NOTICE: Can not find origin waypoint of the ", s, ". Path skipped");
1512                                 continue;
1513                         }
1514                 }
1515
1516                 // Search "to" waypoint
1517                 wp_to = findradius(wp_to_pos, 5);
1518                 found = false;
1519                 while(wp_to)
1520                 {
1521                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
1522                         if(wp_to.classname == "waypoint")
1523                         {
1524                                 found = true;
1525                                 break;
1526                         }
1527                         wp_to = wp_to.chain;
1528                 }
1529
1530                 if(!found)
1531                 {
1532                         s = strcat(((is_special) ? "special link " : "hardwired link "), s);
1533                         LOG_INFO("NOTICE: Can not find destination waypoint of the ", s, ". Path skipped");
1534                         continue;
1535                 }
1536
1537                 ++c;
1538
1539                 if (!is_special)
1540                 {
1541                         waypoint_addlink(wp_from, wp_to);
1542                         waypoint_mark_hardwiredlink(wp_from, wp_to);
1543                 } else if (wp_from.wpflags & WPFLAGMASK_NORELINK
1544                         && ((wp_from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))
1545                                 || (wp_from.wpisbox && wp_from.wpflags & WAYPOINTFLAG_TELEPORT)))
1546                 {
1547                         waypoint_addlink(wp_from, wp_to);
1548                 }
1549         }
1550
1551         fclose(file);
1552
1553         LOG_TRACE("loaded ", ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
1554 }
1555
1556 entity waypoint_get_link(entity w, float i)
1557 {
1558         switch(i)
1559         {
1560                 case  0:return w.wp00;
1561                 case  1:return w.wp01;
1562                 case  2:return w.wp02;
1563                 case  3:return w.wp03;
1564                 case  4:return w.wp04;
1565                 case  5:return w.wp05;
1566                 case  6:return w.wp06;
1567                 case  7:return w.wp07;
1568                 case  8:return w.wp08;
1569                 case  9:return w.wp09;
1570                 case 10:return w.wp10;
1571                 case 11:return w.wp11;
1572                 case 12:return w.wp12;
1573                 case 13:return w.wp13;
1574                 case 14:return w.wp14;
1575                 case 15:return w.wp15;
1576                 case 16:return w.wp16;
1577                 case 17:return w.wp17;
1578                 case 18:return w.wp18;
1579                 case 19:return w.wp19;
1580                 case 20:return w.wp20;
1581                 case 21:return w.wp21;
1582                 case 22:return w.wp22;
1583                 case 23:return w.wp23;
1584                 case 24:return w.wp24;
1585                 case 25:return w.wp25;
1586                 case 26:return w.wp26;
1587                 case 27:return w.wp27;
1588                 case 28:return w.wp28;
1589                 case 29:return w.wp29;
1590                 case 30:return w.wp30;
1591                 case 31:return w.wp31;
1592                 default:return NULL;
1593         }
1594 }
1595
1596 // Save all hardwired waypoint links to a file
1597 void waypoint_save_hardwiredlinks()
1598 {
1599         string gt_ext = GET_GAMETYPE_EXTENSION();
1600
1601         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1602         int file = fopen(filename, FILE_WRITE);
1603         if (file < 0)
1604         {
1605                 LOG_TRACE("waypoint hardwired links ", filename, " creation failed");
1606                 return;
1607         }
1608
1609         // write hardwired links to file
1610         int count = 0;
1611         fputs(file, "// HARDWIRED LINKS\n");
1612         IL_EACH(g_waypoints, waypoint_has_hardwiredlinks(it),
1613         {
1614                 for (int j = 0; j < 32; ++j)
1615                 {
1616                         entity link = waypoint_get_link(it, j);
1617                         if (waypoint_is_hardwiredlink(it, link))
1618                         {
1619                                 // NOTE: vtos rounds vector components to 1 decimal place
1620                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1621                                 fputs(file, s);
1622                                 ++count;
1623                         }
1624                 }
1625         });
1626
1627         // write special links to file
1628         int count2 = 0;
1629         fputs(file, "\n// SPECIAL LINKS\n");
1630         IL_EACH(g_waypoints, it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP),
1631         {
1632                 for (int j = 0; j < 32; ++j)
1633                 {
1634                         entity link = waypoint_get_link(it, j);
1635                         if (link)
1636                         {
1637                                 // NOTE: vtos rounds vector components to 1 decimal place
1638                                 string s = strcat("*", vtos(it.origin), "*", vtos(link.origin), "\n");
1639                                 fputs(file, s);
1640                                 ++count2;
1641                         }
1642                 }
1643         });
1644
1645         fclose(file);
1646
1647         LOG_INFOF("saved %d hardwired links and %d special links to %s", count, count2, filename);
1648 }
1649
1650 // Save all waypoint links to a file
1651 void waypoint_save_links()
1652 {
1653         string gt_ext = GET_GAMETYPE_EXTENSION();
1654
1655         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1656         int file = fopen(filename, FILE_WRITE);
1657         if (file < 0)
1658         {
1659                 LOG_INFOF("waypoint link save to %s failed", filename);
1660                 return;
1661         }
1662
1663         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1664         if (waypoint_time != "")
1665                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1666
1667         int c = 0;
1668         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP)),
1669         {
1670                 for(int j = 0; j < 32; ++j)
1671                 {
1672                         entity link = waypoint_get_link(it, j);
1673                         if (link && !waypoint_is_hardwiredlink(it, link))
1674                         {
1675                                 // NOTE: vtos rounds vector components to 1 decimal place
1676                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1677                                 fputs(file, s);
1678                                 ++c;
1679                         }
1680                 }
1681         });
1682         fclose(file);
1683
1684         botframe_cachedwaypointlinks = true;
1685
1686         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1687 }
1688
1689 // save waypoints to gamedir/data/maps/mapname.waypoints
1690 void waypoint_saveall()
1691 {
1692         if (WAYPOINT_VERSION < waypoint_version_loaded)
1693         {
1694                 LOG_INFOF("^1Overwriting waypoints with a higher version number (%f) is not allowed.\n"
1695                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1696                 return;
1697         }
1698         string gt_ext = GET_GAMETYPE_EXTENSION();
1699
1700         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1701         int file = fopen(filename, FILE_WRITE);
1702         if (file < 0)
1703         {
1704                 waypoint_save_links(); // save anyway?
1705                 botframe_loadedforcedlinks = false;
1706
1707                 LOG_INFOF("waypoint links: save to %s failed", filename);
1708                 return;
1709         }
1710
1711         float sym = autocvar_g_waypointeditor_symmetrical;
1712         string sym_str = ftos(sym);
1713         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1714         {
1715                 if (sym == 1)
1716                 {
1717                         sym_str = cons(sym_str, "-");
1718                         sym_str = cons(sym_str, "-");
1719                 }
1720                 else
1721                 {
1722                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1723                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1724                 }
1725                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1726                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1727         }
1728         else if (autocvar_g_waypointeditor_symmetrical == -2)
1729         {
1730                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1731                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1732         }
1733
1734         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1735         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1736         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1737         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1738
1739         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1740         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1741         //fputs(file, strcat("//", "\n"));
1742         //fputs(file, strcat("//", "\n"));
1743         //fputs(file, strcat("//", "\n"));
1744
1745         int c = 0;
1746         IL_EACH(g_waypoints, true,
1747         {
1748                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1749                         continue;
1750
1751                 string s;
1752                 // NOTE: vtos rounds vector components to 1 decimal place
1753                 s = strcat(vtos(it.origin + it.mins), "\n");
1754                 s = strcat(s, vtos(it.origin + it.maxs));
1755                 s = strcat(s, "\n");
1756                 s = strcat(s, ftos(it.wpflags));
1757                 s = strcat(s, "\n");
1758                 fputs(file, s);
1759                 c++;
1760         });
1761         fclose(file);
1762         waypoint_save_links();
1763         waypoint_save_hardwiredlinks();
1764
1765         botframe_loadedforcedlinks = false;
1766
1767         waypoint_version_loaded = WAYPOINT_VERSION;
1768         LOG_INFOF("saved %d waypoints to %s", c, filename);
1769 }
1770
1771 // load waypoints from file
1772 float waypoint_loadall()
1773 {
1774         string s;
1775         int file, cwp, cwb, fl;
1776         vector m1, m2;
1777         cwp = 0;
1778         cwb = 0;
1779
1780         string gt_ext = GET_GAMETYPE_EXTENSION();
1781
1782         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1783         file = fopen(filename, FILE_READ);
1784
1785         if (gt_ext != "" && file < 0)
1786         {
1787                 // if race waypoint file doesn't exist load the default one
1788                 filename = sprintf("maps/%s.waypoints", mapname);
1789                 file = fopen(filename, FILE_READ);
1790         }
1791
1792         if (file < 0)
1793         {
1794                 LOG_TRACE("waypoint load from ", filename, " failed");
1795                 return 0;
1796         }
1797
1798         bool parse_comments = true;
1799         float ver = 0;
1800         float sym = 0;
1801         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1802
1803         while ((s = fgets(file)))
1804         {
1805                 if(parse_comments)
1806                 {
1807                         if(substring(s, 0, 2) == "//")
1808                         {
1809                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1810                                         ver = stof(substring(s, 19, -1));
1811                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1812                                 {
1813                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1814                                         if (tokens) { sym = stof(argv(0)); }
1815                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1816                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1817                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1818                                 }
1819                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1820                                         strcpy(waypoint_time, substring(s, 16, -1));
1821                                 continue;
1822                         }
1823                         else
1824                         {
1825                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1826                                 {
1827                                         LOG_TRACE("waypoints for this map are outdated");
1828                                         LOG_TRACE("please update them in the editor");
1829                                 }
1830                                 parse_comments = false;
1831                         }
1832                 }
1833                 m1 = stov(s);
1834                 s = fgets(file);
1835                 if (!s)
1836                         break;
1837                 m2 = stov(s);
1838                 s = fgets(file);
1839                 if (!s)
1840                         break;
1841                 fl = stof(s);
1842                 fl &= ~WAYPOINTFLAG_NORELINK__DEPRECATED;
1843                 waypoint_spawn(m1, m2, fl);
1844                 if (m1 == m2)
1845                         cwp = cwp + 1;
1846                 else
1847                         cwb = cwb + 1;
1848         }
1849         fclose(file);
1850         waypoint_version_loaded = ver;
1851         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1852
1853         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1854         {
1855                 string sym_str = "";
1856                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1857                 if (sym == 1 && sym_param3 < 2)
1858                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1859                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1860                 {
1861                         string params;
1862                         if (sym == 1)
1863                                 params = cons("-", "-");
1864                         else
1865                         {
1866                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1867                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1868                         }
1869                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1870                         sym_str = strcat(ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1871                 }
1872                 else if (sym == -2)
1873                 {
1874                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1875                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1876                         sym_str = strcat(ftos(sym), " with axis ", params);
1877                 }
1878                 else
1879                         sym_str = ftos(sym);
1880                 if (sym_str != "")
1881                         LOG_INFO("Waypoint editor: loaded symmetry ", sym_str);
1882                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1883         }
1884
1885         if (WAYPOINT_VERSION < waypoint_version_loaded)
1886                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
1887                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1888
1889         return cwp + cwb;
1890 }
1891
1892 #define waypoint_fixorigin(position, tracetest_ent) \
1893         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1894
1895 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1896 {
1897         vector endpos = position + down_dir * 3000;
1898         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1899         if(trace_startsolid)
1900                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1901         if(trace_startsolid)
1902                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1903         if(trace_fraction < 1)
1904                 position = trace_endpos;
1905         return position;
1906 }
1907
1908 void waypoint_spawnforitem_force(entity e, vector org)
1909 {
1910         // Fix the waypoint altitude if necessary
1911         org = waypoint_fixorigin(org, NULL);
1912
1913         // don't spawn an item spawnfunc_waypoint if it already exists
1914         IL_EACH(g_waypoints, true,
1915         {
1916                 if(it.wpisbox)
1917                 {
1918                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1919                         {
1920                                 e.nearestwaypoint = it;
1921                                 return;
1922                         }
1923                 }
1924                 else
1925                 {
1926                         if(vdist(it.origin - org, <, 16))
1927                         {
1928                                 e.nearestwaypoint = it;
1929                                 return;
1930                         }
1931                 }
1932         });
1933
1934         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1935 }
1936
1937 void waypoint_spawnforitem(entity e)
1938 {
1939         if(!bot_waypoints_for_items)
1940                 return;
1941
1942         waypoint_spawnforitem_force(e, e.origin);
1943 }
1944
1945 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1946 {
1947         entity w;
1948         entity dw;
1949         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag);
1950         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1951         // one way link to the destination
1952         w.wp00_original = dw;
1953         w.wp00 = dw;
1954         w.wp00mincost = timetaken; // this is just for jump pads
1955         // the teleporter's nearest spawnfunc_waypoint is this one
1956         // (teleporters are not goals, so this is probably useless)
1957         e.nearestwaypoint = w;
1958         e.nearestwaypointtimeout = -1;
1959 }
1960
1961 void waypoint_spawnforteleporter_wz(entity e, entity tracetest_ent)
1962 {
1963         float src_angle = e.warpzone_angles.x;
1964         while (src_angle < -180) src_angle += 360;
1965         while (src_angle > 180) src_angle -= 360;
1966
1967         float dest_angle = e.enemy.warpzone_angles.x;
1968         while (dest_angle < -180) dest_angle += 360;
1969         while (dest_angle > 180) dest_angle -= 360;
1970
1971         // no waypoints for warpzones pointing upwards, they can't be used by the bots
1972         if (src_angle == -90 || dest_angle == -90)
1973                 return;
1974
1975         makevectors(e.warpzone_angles);
1976         vector src = (e.absmin + e.absmax) * 0.5;
1977         src += ((e.warpzone_origin - src) * v_forward) * v_forward + 16 * v_right;
1978         vector down_dir_src = -v_up;
1979
1980         makevectors(e.enemy.warpzone_angles);
1981         vector dest = (e.enemy.absmin + e.enemy.absmax) * 0.5;
1982         dest += ((e.enemy.warpzone_origin - dest) * v_forward) * v_forward - 16 * v_right;
1983         vector down_dir_dest = -v_up;
1984
1985         int extra_flag = 0;
1986         // don't snap to the ground waypoints for source warpzones pointing downwards
1987         if (src_angle != 90)
1988         {
1989                 src = waypoint_fixorigin_down_dir(src, tracetest_ent, down_dir_src);
1990                 dest = waypoint_fixorigin_down_dir(dest, tracetest_ent, down_dir_dest);
1991                 // oblique warpzones need a jump otherwise bots gets stuck
1992                 if (src_angle != 0)
1993                         extra_flag = WAYPOINTFLAG_JUMP;
1994         }
1995
1996         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT | extra_flag, src, src, dest, dest, 0);
1997 }
1998
1999 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
2000 {
2001         destination = waypoint_fixorigin(destination, tracetest_ent);
2002         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);
2003 }
2004
2005 entity waypoint_spawnpersonal(entity this, vector position)
2006 {
2007         entity w;
2008
2009         // drop the waypoint to a proper location:
2010         //   first move it up by a player height
2011         //   then move it down to hit the floor with player bbox size
2012         position = waypoint_fixorigin(position, this);
2013
2014         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
2015         w.nearestwaypoint = NULL;
2016         w.nearestwaypointtimeout = 0;
2017         w.owner = this;
2018
2019         waypoint_schedulerelink(w);
2020
2021         return w;
2022 }
2023
2024 void waypoint_showlink(entity wp1, entity wp2, int display_type)
2025 {
2026         if (!(wp1 && wp2))
2027                 return;
2028
2029         if (waypoint_is_hardwiredlink(wp1, wp2) || (wp1.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP)))
2030                 te_beam(NULL, wp1.origin, wp2.origin);
2031         else if (display_type == 1)
2032                 te_lightning2(NULL, wp1.origin, wp2.origin);
2033 }
2034
2035 void waypoint_showlinks_to(entity wp, int display_type)
2036 {
2037         IL_EACH(g_waypoints, it != wp,
2038         {
2039                 if (waypoint_islinked(it, wp))
2040                         waypoint_showlink(it, wp, display_type);
2041         });
2042 }
2043
2044 void waypoint_showlinks_from(entity wp, int display_type)
2045 {
2046         waypoint_showlink(wp, wp.wp00, display_type); waypoint_showlink(wp, wp.wp16, display_type);
2047         waypoint_showlink(wp, wp.wp01, display_type); waypoint_showlink(wp, wp.wp17, display_type);
2048         waypoint_showlink(wp, wp.wp02, display_type); waypoint_showlink(wp, wp.wp18, display_type);
2049         waypoint_showlink(wp, wp.wp03, display_type); waypoint_showlink(wp, wp.wp19, display_type);
2050         waypoint_showlink(wp, wp.wp04, display_type); waypoint_showlink(wp, wp.wp20, display_type);
2051         waypoint_showlink(wp, wp.wp05, display_type); waypoint_showlink(wp, wp.wp21, display_type);
2052         waypoint_showlink(wp, wp.wp06, display_type); waypoint_showlink(wp, wp.wp22, display_type);
2053         waypoint_showlink(wp, wp.wp07, display_type); waypoint_showlink(wp, wp.wp23, display_type);
2054         waypoint_showlink(wp, wp.wp08, display_type); waypoint_showlink(wp, wp.wp24, display_type);
2055         waypoint_showlink(wp, wp.wp09, display_type); waypoint_showlink(wp, wp.wp25, display_type);
2056         waypoint_showlink(wp, wp.wp10, display_type); waypoint_showlink(wp, wp.wp26, display_type);
2057         waypoint_showlink(wp, wp.wp11, display_type); waypoint_showlink(wp, wp.wp27, display_type);
2058         waypoint_showlink(wp, wp.wp12, display_type); waypoint_showlink(wp, wp.wp28, display_type);
2059         waypoint_showlink(wp, wp.wp13, display_type); waypoint_showlink(wp, wp.wp29, display_type);
2060         waypoint_showlink(wp, wp.wp14, display_type); waypoint_showlink(wp, wp.wp30, display_type);
2061         waypoint_showlink(wp, wp.wp15, display_type); waypoint_showlink(wp, wp.wp31, display_type);
2062 }
2063
2064 void crosshair_trace_waypoints(entity pl)
2065 {
2066         IL_EACH(g_waypoints, true, {
2067                 it.solid = SOLID_BSP;
2068                 if (!it.wpisbox)
2069                         setsize(it, '-16 -16 -16', '16 16 16');
2070         });
2071
2072         WarpZone_crosshair_trace(pl);
2073
2074         IL_EACH(g_waypoints, true, {
2075                 it.solid = SOLID_TRIGGER;
2076                 if (!it.wpisbox)
2077                         setsize(it, '0 0 0', '0 0 0');
2078         });
2079
2080         if (trace_ent.classname != "waypoint")
2081                 trace_ent = NULL;
2082         else if (!trace_ent.wpisbox)
2083                 trace_endpos = trace_ent.origin;
2084 }
2085
2086 void botframe_showwaypointlinks()
2087 {
2088         if (time < botframe_waypointeditorlightningtime)
2089                 return;
2090         botframe_waypointeditorlightningtime = time + 0.5;
2091         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
2092         {
2093                 int display_type = 0;
2094                 if (wasfreed(it.wp_aimed))
2095                         it.wp_aimed = NULL;
2096                 if (wasfreed(it.wp_locked))
2097                         it.wp_locked = NULL;
2098                 entity head = it.wp_locked;
2099                 if (!head)
2100                         head = navigation_findnearestwaypoint(it, false);
2101                 it.nearestwaypoint = head; // mainly useful for debug
2102                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
2103                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE || it.wp_locked)
2104                         display_type = 1; // default
2105                 else if(waypoint_has_hardwiredlinks(head))
2106                         display_type = 2; // only hardwired
2107
2108                 if (display_type)
2109                 {
2110                         //navigation_testtracewalk = true;
2111                         //print("currently selected WP is ", etos(head), "\n");
2112                         //navigation_testtracewalk = false;
2113                         if (head)
2114                         {
2115                                 te_lightning2(NULL, head.origin, it.origin);
2116                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
2117                                         waypoint_showlinks_to(head, display_type);
2118                                 else
2119                                         waypoint_showlinks_from(head, display_type);
2120                         }
2121                 }
2122                 string str;
2123                 entity wp = NULL;
2124                 if (vdist(vec2(it.velocity), <, autocvar_sv_maxspeed * 1.1))
2125                 {
2126                         crosshair_trace_waypoints(it);
2127                         if (trace_ent)
2128                         {
2129                                 wp = trace_ent;
2130                                 if (wp != it.wp_aimed)
2131                                 {
2132                                         string wp_type_str = waypoint_get_type_name(wp);
2133                                         str = sprintf("\necho Entity %d: %s^7, flags: %d, origin: %s\n", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2134                                         if (wp.wpisbox)
2135                                                 str = strcat(str, sprintf("echo \" absmin: %s, absmax: %s\"\n", vtos(wp.absmin), vtos(wp.absmax)));
2136                                         stuffcmd(it, str);
2137                                         str = sprintf("Entity %d: %s^7\nflags: %d\norigin: %s", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2138                                         if (wp.wpisbox)
2139                                                 str = strcat(str, sprintf(" \nabsmin: %s\nabsmax: %s", vtos(wp.absmin), vtos(wp.absmax)));
2140                                         debug_text_3d(wp.origin, str, 0, 7, '0 0 0');
2141                                 }
2142                         }
2143                 }
2144                 if (it.wp_aimed != wp)
2145                         it.wp_aimed = wp;
2146         });
2147 }
2148
2149 float botframe_autowaypoints_fixdown(vector v)
2150 {
2151         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
2152         if(trace_fraction >= 1)
2153                 return 0;
2154         return 1;
2155 }
2156
2157 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
2158 {
2159         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
2160         {
2161                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
2162                 return 0;
2163         });
2164
2165         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
2166         return 1;
2167 }
2168
2169 // return value:
2170 //    1 = WP created
2171 //    0 = no action needed
2172 //   -1 = temp fail, try from world too
2173 //   -2 = permanent fail, do not retry
2174 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
2175 {
2176         // make it possible to go from p to wp, if we can
2177         // if wp is NULL, nearest is chosen
2178
2179         entity w;
2180         vector porg;
2181         float t, tmin, tmax;
2182         vector o;
2183         vector save;
2184
2185         if(!botframe_autowaypoints_fixdown(p.origin))
2186                 return -2;
2187         porg = trace_endpos;
2188
2189         if(wp)
2190         {
2191                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
2192
2193                 // if wp -> porg, then OK
2194                 float maxdist;
2195                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
2196                 {
2197                         // we may find a better one
2198                         maxdist = vlen(wp.origin - porg);
2199                 }
2200                 else
2201                 {
2202                         // accept any "good"
2203                         maxdist = 2100;
2204                 }
2205
2206                 float bestdist = maxdist;
2207                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WPFLAGMASK_NORELINK),
2208                 {
2209                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
2210                         if(d < bestdist)
2211                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
2212                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
2213                         {
2214                                 bestdist = d;
2215                                 p.(fld) = it;
2216                         }
2217                 });
2218                 if(bestdist < maxdist)
2219                 {
2220                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
2221                         return 0;
2222                 }
2223
2224                 if(bestdist < 2100)
2225                 {
2226                         // we know maxdist < 2100
2227                         // so wp -> porg is still valid
2228                         // all is good
2229                         p.(fld) = wp;
2230                         return 0;
2231                 }
2232
2233                 // otherwise, no existing WP can fix our issues
2234         }
2235         else
2236         {
2237                 save = p.origin;
2238                 setorigin(p, porg);
2239                 w = navigation_findnearestwaypoint(p, walkfromwp);
2240                 setorigin(p, save);
2241                 if(w)
2242                 {
2243                         p.(fld) = w;
2244                         return 0;
2245                 }
2246         }
2247
2248         tmin = 0;
2249         tmax = 1;
2250         for (;;)
2251         {
2252                 if(tmax - tmin < 0.001)
2253                 {
2254                         // did not get a good candidate
2255                         return -1;
2256                 }
2257
2258                 t = (tmin + tmax) * 0.5;
2259                 o = antilag_takebackorigin(p, CS(p), time - t);
2260                 if(!botframe_autowaypoints_fixdown(o))
2261                         return -2;
2262                 o = trace_endpos;
2263
2264                 if(wp)
2265                 {
2266                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
2267                         {
2268                                 // we cannot walk from wp.origin to o
2269                                 // get closer to tmax
2270                                 tmin = t;
2271                                 continue;
2272                         }
2273                 }
2274                 else
2275                 {
2276                         save = p.origin;
2277                         setorigin(p, o);
2278                         w = navigation_findnearestwaypoint(p, walkfromwp);
2279                         setorigin(p, save);
2280                         if(!w)
2281                         {
2282                                 // we cannot walk from any WP to o
2283                                 // get closer to tmax
2284                                 tmin = t;
2285                                 continue;
2286                         }
2287                 }
2288
2289                 // if we get here, o is valid regarding waypoints
2290                 // check if o is connected right to the player
2291                 // we break if it succeeds, as that means o is a good waypoint location
2292                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
2293                         break;
2294
2295                 // o is no good, we need to get closer to the player
2296                 tmax = t;
2297         }
2298
2299         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
2300         botframe_autowaypoints_createwp(o, p, fld, 0);
2301         return 1;
2302 }
2303
2304 // automatically create missing waypoints
2305 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
2306 {
2307         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
2308         if(r != -1)
2309                 return;
2310         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
2311         if(r != -1)
2312                 return;
2313
2314         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
2315         if(!botframe_autowaypoints_fixdown(p.origin))
2316                 return; // shouldn't happen, caught above
2317         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
2318 }
2319
2320 void botframe_deleteuselesswaypoints()
2321 {
2322         IL_EACH(g_items, it.bot_pickup,
2323         {
2324                 // NOTE: this protects waypoints if they're the ONLY nearest
2325                 // waypoint. That's the intention.
2326                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
2327                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
2328         });
2329         IL_EACH(g_waypoints, true,
2330         {
2331                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
2332                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
2333                 // WP is useful if:
2334                 if (it.wpflags & WAYPOINTFLAG_ITEM)
2335                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2336                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
2337                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2338                 if (it.wpflags & WAYPOINTFLAG_LADDER)
2339                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2340                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
2341                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2342                 // b) WP is closest WP for an item/spawnpoint/other entity
2343                 //    This has been done above by protecting these WPs.
2344         });
2345         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
2346         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
2347         {
2348                 for (int m = 0; m < 32; ++m)
2349                 {
2350                         entity w = waypoint_get_link(it, m);
2351                         if (!w)
2352                                 break;
2353                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
2354                                 continue;
2355                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
2356                                 continue;
2357                         for (int j = 0; j < 32; ++j)
2358                         {
2359                                 entity w2 = waypoint_get_link(w, j);
2360                                 if (!w2)
2361                                         break;
2362                                 if (it == w2)
2363                                         continue;
2364                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
2365                                         continue;
2366                                 // If we got here, it != w2 exist with it -> w
2367                                 // and w -> w2. That means the waypoint is not
2368                                 // a dead end.
2369                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
2370                                 for (int k = 0; k < 32; ++k)
2371                                 {
2372                                         if (waypoint_get_link(it, k) == w2)
2373                                                 continue;
2374                                         // IF WE GET HERE, w is proven useful
2375                                         // to get from it to w2!
2376                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
2377                                         goto next;
2378                                 }
2379                         }
2380 LABEL(next)
2381                 }
2382         });
2383         // d) The waypoint is a dead end. Dead end waypoints must be kept as
2384         //     they are needed to complete routes while autowaypointing.
2385
2386         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
2387         {
2388                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
2389                 te_explosion(it.origin);
2390                 waypoint_remove(it);
2391                 break;
2392         });
2393
2394         IL_EACH(g_waypoints, true,
2395         {
2396                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
2397         });
2398 }
2399
2400 //.entity botframe_autowaypoints_lastwp0;
2401 .entity botframe_autowaypoints_lastwp1;
2402 void botframe_autowaypoints()
2403 {
2404         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
2405                 // going back is broken, so only fix waypoints to walk TO the player
2406                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
2407                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
2408                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
2409         });
2410
2411         if (autocvar_g_waypointeditor_auto >= 2) {
2412                 botframe_deleteuselesswaypoints();
2413         }
2414 }
2415