qcsrc/server/bot/default/waypoints.qc

   1 #include "waypoints.qh"
   2
   3 #include <server/defs.qh>
   4 #include <server/miscfunctions.qh>
   5 #include "cvars.qh"
   6
   7 #include "bot.qh"
   8 #include "navigation.qh"
   9
  10 #include <common/state.qh>
  11
  12 #include "../../antilag.qh"
  13
  14 #include <common/constants.qh>
  15 #include <common/debug.qh>
  16 #include <common/mapobjects/trigger/jumppads.qh>
  17 #include <common/net_linked.qh>
  18 #include <common/physics/player.qh>
  19
  20 #include <lib/warpzone/common.qh>
  21 #include <lib/warpzone/util_server.qh>
  22
  23 .entity spawnpointmodel;
  24 void waypoint_unreachable(entity pl)
  25 {
  26         IL_EACH(g_waypoints, true,
  27         {
  28                 it.colormod = '0.5 0.5 0.5';
  29                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
  30         });
  31
  32         entity e2 = navigation_findnearestwaypoint(pl, false);
  33         if(!e2)
  34         {
  35                 LOG_INFO("Can't find any waypoint nearby\n");
  36                 return;
  37         }
  38
  39         navigation_markroutes(pl, e2);
  40
  41         int j = 0;
  42         int m = 0;
  43         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  44         {
  45                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
  46                 it.colormod_z = 8;
  47                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
  48                 j++;
  49                 m++;
  50         });
  51         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
  52         navigation_markroutes_inverted(e2);
  53
  54         j = 0;
  55         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  56         {
  57                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
  58                 it.colormod_x = 8;
  59                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
  60                         m++;
  61                 it.effects |= EF_NODEPTHTEST | EF_RED;
  62                 j++;
  63         });
  64         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
  65         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
  66
  67         j = 0;
  68         IL_EACH(g_spawnpoints, true,
  69         {
  70                 if (navigation_findnearestwaypoint(it, false))
  71                 {
  72                         if(it.spawnpointmodel)
  73                         {
  74                                 delete(it.spawnpointmodel);
  75                                 it.spawnpointmodel = NULL;
  76                         }
  77                 }
  78                 else
  79                 {
  80                         if(!it.spawnpointmodel)
  81                         {
  82                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
  83                                 entity e = new(spawnpointmodel);
  84                                 vector org = trace_endpos + eZ;
  85                                 setorigin(e, org);
  86                                 e.solid = SOLID_TRIGGER;
  87                                 it.spawnpointmodel = e;
  88                         }
  89                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
  90                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
  91                         _setmodel(it.spawnpointmodel, pl.model);
  92                         it.spawnpointmodel.frame = pl.frame;
  93                         it.spawnpointmodel.skin = pl.skin;
  94                         it.spawnpointmodel.colormap = pl.colormap;
  95                         it.spawnpointmodel.colormod = pl.colormod;
  96                         it.spawnpointmodel.glowmod = pl.glowmod;
  97                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
  98                         j++;
  99                 }
 100         });
 101         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
 102
 103         j = 0;
 104         IL_EACH(g_items, true,
 105         {
 106                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
 107                 it.colormod = '0.5 0.5 0.5';
 108         });
 109         IL_EACH(g_items, true,
 110         {
 111                 if (navigation_findnearestwaypoint(it, false))
 112                         continue;
 113                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 114                 it.effects |= EF_NODEPTHTEST | EF_RED;
 115                 it.colormod_x = 8;
 116                 j++;
 117         });
 118         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
 119
 120         j = 0;
 121         IL_EACH(g_items, true,
 122         {
 123                 if (navigation_findnearestwaypoint(it, true))
 124                         continue;
 125                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 126                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
 127                 it.colormod_z = 8;
 128                 j++;
 129         });
 130         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
 131 }
 132
 133 void waypoint_getSymmetricalAxis_cmd(entity caller, bool save, int arg_idx)
 134 {
 135         vector v1 = stov(argv(arg_idx++));
 136         vector v2 = stov(argv(arg_idx++));
 137         vector mid = (v1 + v2) / 2;
 138
 139         float diffy = (v2.y - v1.y);
 140         float diffx = (v2.x - v1.x);
 141         if (v1.y == v2.y)
 142                 diffy = 0.000001;
 143         if (v1.x == v2.x)
 144                 diffx = 0.000001;
 145         float m = - diffx / diffy;
 146         float q = - m * mid.x + mid.y;
 147         if (fabs(m) <= 0.000001) m = 0;
 148         if (fabs(q) <= 0.000001) q = 0;
 149
 150         string axis_str =  strcat(ftos(m), " ", ftos(q));
 151         if (save)
 152                 cvar_set("g_waypointeditor_symmetrical_axis", axis_str);
 153         axis_str = strcat("\"", axis_str, "\"");
 154         sprint(caller, strcat("Axis of symmetry based on input points: ", axis_str, "\n"));
 155         if (save)
 156                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_axis"));
 157         if (save)
 158         {
 159                 cvar_set("g_waypointeditor_symmetrical", "-2");
 160                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 161                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 162         }
 163 }
 164
 165 void waypoint_getSymmetricalOrigin_cmd(entity caller, bool save, int arg_idx)
 166 {
 167         vector org = '0 0 0';
 168         int ctf_flags = 0;
 169         for (int i = 0; i < 6; i++)
 170         {
 171                 if (argv(arg_idx + i) != "")
 172                         ctf_flags++;
 173         }
 174         if (ctf_flags < 2)
 175         {
 176                 ctf_flags = 0;
 177                 org = vec2(havocbot_middlepoint);
 178                 if (argv(arg_idx) != "")
 179                         sprint(caller, "WARNING: Ignoring single input point\n");
 180                 if (havocbot_middlepoint_radius == 0)
 181                 {
 182                         sprint(caller, "Origin of symmetry can't be automatically determined\n");
 183                         return;
 184                 }
 185         }
 186         else
 187         {
 188                 vector v1, v2, v3, v4, v5, v6;
 189                 for (int i = 1; i <= ctf_flags; i++)
 190                 {
 191                         if (i == 1) { v1 = stov(argv(arg_idx++)); org = v1 / ctf_flags; }
 192                         else if (i == 2) { v2 = stov(argv(arg_idx++)); org += v2 / ctf_flags; }
 193                         else if (i == 3) { v3 = stov(argv(arg_idx++)); org += v3 / ctf_flags; }
 194                         else if (i == 4) { v4 = stov(argv(arg_idx++)); org += v4 / ctf_flags; }
 195                         else if (i == 5) { v5 = stov(argv(arg_idx++)); org += v5 / ctf_flags; }
 196                         else if (i == 6) { v6 = stov(argv(arg_idx++)); org += v6 / ctf_flags; }
 197                 }
 198         }
 199
 200         if (fabs(org.x) <= 0.000001) org.x = 0;
 201         if (fabs(org.y) <= 0.000001) org.y = 0;
 202         string org_str = strcat(ftos(org.x), " ", ftos(org.y));
 203         if (save)
 204         {
 205                 cvar_set("g_waypointeditor_symmetrical_origin", org_str);
 206                 cvar_set("g_waypointeditor_symmetrical_order", ftos(ctf_flags));
 207         }
 208         org_str = strcat("\"", org_str, "\"");
 209
 210         if (ctf_flags < 2)
 211                 sprint(caller, strcat("Origin of symmetry based on flag positions: ", org_str, "\n"));
 212         else
 213                 sprint(caller, strcat("Origin of symmetry based on input points: ", org_str, "\n"));
 214         if (save)
 215                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_origin"));
 216
 217         if (ctf_flags < 2)
 218                 sprint(caller, "Order of symmetry: 0 (autodetected)\n");
 219         else
 220                 sprint(caller, strcat("Order of symmetry: ", ftos(ctf_flags), "\n"));
 221         if (save)
 222                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_order"));
 223
 224         if (save)
 225         {
 226                 if (ctf_flags < 2)
 227                         cvar_set("g_waypointeditor_symmetrical", "0");
 228                 else
 229                         cvar_set("g_waypointeditor_symmetrical", "-1");
 230                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 231                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 232         }
 233 }
 234
 235 vector waypoint_getSymmetricalPoint(vector org, int ctf_flags)
 236 {
 237         vector new_org = org;
 238         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
 239         {
 240                 vector map_center = havocbot_middlepoint;
 241                 if (autocvar_g_waypointeditor_symmetrical == -1)
 242                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
 243
 244                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
 245         }
 246         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
 247         {
 248                 float m = havocbot_symmetry_axis_m;
 249                 float q = havocbot_symmetry_axis_q;
 250                 if (autocvar_g_waypointeditor_symmetrical == -2)
 251                 {
 252                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
 253                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
 254                 }
 255
 256                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
 257                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
 258         }
 259         new_org.z = org.z;
 260         return new_org;
 261 }
 262
 263 bool waypoint_has_hardwiredlinks(entity wp)
 264 {
 265         if (!wp)
 266                 return false;
 267         return (wp.wphw00 != NULL);
 268 }
 269
 270 bool waypoint_is_hardwiredlink(entity wp_from, entity wp_to)
 271 {
 272         if (!(wp_from && wp_to))
 273                 return false;
 274
 275         if (!wp_from.wphw00) return false; else if (wp_from.wphw00 == wp_to) return true;
 276         if (!wp_from.wphw01) return false; else if (wp_from.wphw01 == wp_to) return true;
 277         if (!wp_from.wphw02) return false; else if (wp_from.wphw02 == wp_to) return true;
 278         if (!wp_from.wphw03) return false; else if (wp_from.wphw03 == wp_to) return true;
 279         if (!wp_from.wphw04) return false; else if (wp_from.wphw04 == wp_to) return true;
 280         if (!wp_from.wphw05) return false; else if (wp_from.wphw05 == wp_to) return true;
 281         if (!wp_from.wphw06) return false; else if (wp_from.wphw06 == wp_to) return true;
 282         if (!wp_from.wphw07) return false; else if (wp_from.wphw07 == wp_to) return true;
 283
 284         return false;
 285 }
 286
 287 void waypoint_setupmodel(entity wp);
 288 void waypoint_mark_hardwiredlink(entity wp_from, entity wp_to)
 289 {
 290         if (!(wp_from && wp_to))
 291                 return;
 292
 293         if (!wp_from.wphw00 || wp_from.wphw00 == wp_to) { wp_from.wphw00 = wp_to; waypoint_setupmodel(wp_from); return; }
 294         if (!wp_from.wphw01 || wp_from.wphw01 == wp_to) { wp_from.wphw01 = wp_to; return; }
 295         if (!wp_from.wphw02 || wp_from.wphw02 == wp_to) { wp_from.wphw02 = wp_to; return; }
 296         if (!wp_from.wphw03 || wp_from.wphw03 == wp_to) { wp_from.wphw03 = wp_to; return; }
 297         if (!wp_from.wphw04 || wp_from.wphw04 == wp_to) { wp_from.wphw04 = wp_to; return; }
 298         if (!wp_from.wphw05 || wp_from.wphw05 == wp_to) { wp_from.wphw05 = wp_to; return; }
 299         if (!wp_from.wphw06 || wp_from.wphw06 == wp_to) { wp_from.wphw06 = wp_to; return; }
 300         if (!wp_from.wphw07 || wp_from.wphw07 == wp_to) { wp_from.wphw07 = wp_to; return; }
 301
 302         return;
 303 }
 304
 305 void waypoint_unmark_hardwiredlink(entity wp_from, entity wp_to)
 306 {
 307         if (!(wp_from && wp_to))
 308                 return;
 309
 310         int removed = -1;
 311         if (removed < 0 && wp_from.wphw00 == wp_to) removed = 0;
 312         if (removed < 0 && wp_from.wphw01 == wp_to) removed = 1;
 313         if (removed < 0 && wp_from.wphw02 == wp_to) removed = 2;
 314         if (removed < 0 && wp_from.wphw03 == wp_to) removed = 3;
 315         if (removed < 0 && wp_from.wphw04 == wp_to) removed = 4;
 316         if (removed < 0 && wp_from.wphw05 == wp_to) removed = 5;
 317         if (removed < 0 && wp_from.wphw06 == wp_to) removed = 6;
 318         if (removed < 0 && wp_from.wphw07 == wp_to) removed = 7;
 319
 320         if (removed >= 0)
 321         {
 322                 if (removed <= 0) wp_from.wphw00 = wp_from.wphw01;
 323                 if (removed <= 1) wp_from.wphw01 = wp_from.wphw02;
 324                 if (removed <= 2) wp_from.wphw02 = wp_from.wphw03;
 325                 if (removed <= 3) wp_from.wphw03 = wp_from.wphw04;
 326                 if (removed <= 4) wp_from.wphw04 = wp_from.wphw05;
 327                 if (removed <= 5) wp_from.wphw05 = wp_from.wphw06;
 328                 if (removed <= 6) wp_from.wphw06 = wp_from.wphw07;
 329                 if (removed <= 7) wp_from.wphw07 = NULL;
 330                 if (!wp_from.wphw00)
 331                         waypoint_setupmodel(wp_from);
 332         }
 333
 334         return;
 335 }
 336
 337 void waypoint_setupmodel(entity wp)
 338 {
 339         if (autocvar_g_waypointeditor)
 340         {
 341                 // TODO: add some sort of visible box in edit mode for box waypoints
 342                 vector m1 = wp.mins;
 343                 vector m2 = wp.maxs;
 344                 setmodel(wp, MDL_WAYPOINT);
 345                 setsize(wp, m1, m2);
 346                 wp.effects = EF_LOWPRECISION;
 347                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 348                         wp.colormod = '1 0 0'; // red
 349                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 350                         wp.colormod = '1 1 0'; // yellow
 351                 else if (wp.wpflags & WAYPOINTFLAG_SUPPORT)
 352                         wp.colormod = '0 1 0'; // green
 353                 else if (wp.wpflags & WAYPOINTFLAG_NORELINK)
 354                         wp.colormod = '1 0.5 0'; // orange
 355                 else if (wp.wpflags & WAYPOINTFLAG_CROUCH)
 356                         wp.colormod = '0 1 1'; // cyan
 357                 else if (waypoint_has_hardwiredlinks(wp))
 358                         wp.colormod = '0.5 0 1'; // purple
 359                 else
 360                         wp.colormod = '1 1 1';
 361         }
 362         else
 363                 wp.model = "";
 364 }
 365
 366 string waypoint_get_type_name(entity wp)
 367 {
 368         if (wp.wpflags & WAYPOINTFLAG_ITEM) return "^1Item waypoint";
 369         else if (wp.wpflags & WAYPOINTFLAG_CROUCH) return "^5Crouch waypoint";
 370         else if (wp.wpflags & WAYPOINTFLAG_JUMP) return "^xf80Jump waypoint";
 371         else if (wp.wpflags & WAYPOINTFLAG_SUPPORT) return "^2Support waypoint";
 372         else if (waypoint_has_hardwiredlinks(wp)) return "^x80fHardwired waypoint";
 373         else if (wp.wpflags & WAYPOINTFLAG_LADDER) return "^3Ladder waypoint";
 374         else if (wp.wpflags & WAYPOINTFLAG_TELEPORT)
 375         {
 376                 if (!wp.wpisbox) return "^3Warpzone waypoint";
 377                 else if (wp.wpflags & WAYPOINTFLAG_CUSTOM_JP) return "^3Custom jumppad waypoint";
 378                 else
 379                 {
 380                         IL_EACH(g_jumppads, boxesoverlap(wp.absmin, wp.absmax, it.absmin, it.absmax),
 381                                 { return "^3Jumppad waypoint"; });
 382                         return "^3Teleport waypoint";
 383                 }
 384         }
 385
 386         return "^7Waypoint";
 387 }
 388
 389 entity waypoint_get(vector m1, vector m2)
 390 {
 391         if (m1 == m2)
 392         {
 393                 m1 -= '8 8 8';
 394                 m2 += '8 8 8';
 395         }
 396         IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax), { return it; });
 397
 398         return NULL;
 399 }
 400
 401 .float createdtime;
 402 entity waypoint_spawn(vector m1, vector m2, float f)
 403 {
 404         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
 405         {
 406                 entity wp_found = waypoint_get(m1, m2);
 407                 if (wp_found)
 408                         return wp_found;
 409         }
 410         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
 411         // otherwise links loaded from file would be applied only to the first destination
 412         // waypoint since link format doesn't specify waypoint entities but just positions
 413         if((f & WAYPOINTFLAG_GENERATED) && !(f & (WAYPOINTFLAG_NORELINK | WAYPOINTFLAG_PERSONAL)) && m1 == m2)
 414         {
 415                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
 416                 {
 417                         return it;
 418                 });
 419         }
 420
 421         entity w = new(waypoint);
 422         IL_PUSH(g_waypoints, w);
 423         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 424         w.wpflags = f;
 425         w.solid = SOLID_TRIGGER;
 426         w.createdtime = time;
 427         setorigin(w, (m1 + m2) * 0.5);
 428         setsize(w, m1 - w.origin, m2 - w.origin);
 429         if (w.size)
 430                 w.wpisbox = true;
 431
 432         if(!w.wpisbox)
 433         {
 434                 if (f & WAYPOINTFLAG_CROUCH)
 435                         setsize(w, PL_CROUCH_MIN_CONST - '1 1 0', PL_CROUCH_MAX_CONST + '1 1 0');
 436                 else
 437                         setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
 438                 if(!move_out_of_solid(w))
 439                 {
 440                         if(!(f & WAYPOINTFLAG_GENERATED))
 441                         {
 442                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
 443                                 delete(w);
 444                                 return NULL;
 445                         }
 446                         else
 447                         {
 448                                 if(autocvar_developer)
 449                                 {
 450                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
 451                                         backtrace("Waypoint stuck");
 452                                 }
 453                         }
 454                 }
 455                 setsize(w, '0 0 0', '0 0 0');
 456         }
 457
 458         waypoint_clearlinks(w);
 459         //waypoint_schedulerelink(w);
 460
 461         waypoint_setupmodel(w);
 462
 463         return w;
 464 }
 465
 466 float trigger_push_get_push_time(entity this, vector endpos);
 467 void waypoint_addlink_for_custom_jumppad(entity wp_from, entity wp_to)
 468 {
 469         entity jp = NULL;
 470         IL_EACH(g_jumppads, boxesoverlap(wp_from.absmin, wp_from.absmax, it.absmin, it.absmax),
 471         {
 472                 jp = it;
 473                 break;
 474         });
 475         if (!jp)
 476                 return;
 477
 478         float cost = trigger_push_get_push_time(jp, wp_to.origin);
 479         wp_from.wp00 = wp_to;
 480         wp_from.wp00mincost = cost;
 481         jp.nearestwaypoint = wp_from;
 482         jp.nearestwaypointtimeout = -1;
 483 }
 484
 485 bool start_wp_is_spawned;
 486 vector start_wp_origin;
 487 bool start_wp_is_hardwired;
 488 bool start_wp_is_support;
 489
 490 void waypoint_clear_start_wp_globals(entity pl, bool warn)
 491 {
 492         start_wp_is_spawned = false;
 493         start_wp_origin = '0 0 0';
 494         pl.wp_locked = NULL;
 495         start_wp_is_hardwired = false;
 496         start_wp_is_support = false;
 497         if (warn)
 498                 LOG_INFO("^xf80Start waypoint has been cleared.\n");
 499 }
 500
 501 void waypoint_start_hardwiredlink(entity pl)
 502 {
 503         entity wp = pl.nearestwaypoint;
 504         if ((!start_wp_is_spawned || start_wp_is_hardwired) && wp && !(wp.wpflags & WAYPOINTFLAG_NORELINK))
 505         {
 506                 start_wp_is_hardwired = true;
 507                 start_wp_is_spawned = true;
 508                 start_wp_origin = wp.origin;
 509                 pl.wp_locked = wp;
 510                 LOG_INFOF("^x80fNearest waypoint %s marked as hardwired link origin.\n", vtos(wp.origin));
 511         }
 512         else
 513                 start_wp_is_hardwired = false;
 514 }
 515
 516 void waypoint_spawn_fromeditor(entity pl, bool at_crosshair, bool is_jump_wp, bool is_crouch_wp, bool is_support_wp)
 517 {
 518         if (WAYPOINT_VERSION < waypoint_version_loaded)
 519         {
 520                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 521                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 522                 return;
 523         }
 524
 525         entity e = NULL, jp = NULL;
 526         vector org = pl.origin;
 527         if (at_crosshair)
 528         {
 529                 crosshair_trace(pl);
 530                 org = trace_endpos - eZ * PL_MIN_CONST.z;
 531                 if (!(start_wp_is_hardwired || start_wp_is_support))
 532                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 533                         {
 534                                 jp = it;
 535                                 break;
 536                         });
 537         }
 538         if (jp || is_jump_wp || is_support_wp)
 539         {
 540                 if (start_wp_is_spawned)
 541                         start_wp_is_spawned = false;
 542                 LOG_INFO("^xf80Spawning start waypoint...\n");
 543         }
 544         int ctf_flags = havocbot_symmetry_origin_order;
 545         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 546                    || (autocvar_g_waypointeditor_symmetrical < 0));
 547         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 548                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 549         if (sym && ctf_flags < 2)
 550                 ctf_flags = 2;
 551         int wp_num = ctf_flags;
 552
 553         if(!PHYS_INPUT_BUTTON_CROUCH(pl) && !at_crosshair && !is_jump_wp && !is_support_wp)
 554         {
 555                 // snap waypoint to item's origin if close enough
 556                 IL_EACH(g_items, true,
 557                 {
 558                         vector item_org = (it.absmin + it.absmax) * 0.5;
 559                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
 560                         if (vlen(item_org - org) < 20)
 561                         {
 562                                 org = item_org;
 563                                 break;
 564                         }
 565                 });
 566         }
 567
 568         vector start_org = '0 0 0';
 569         if (start_wp_is_spawned)
 570         {
 571                 if (!start_wp_is_hardwired)
 572                         LOG_INFO("^xf80Spawning destination waypoint...\n");
 573                 start_org = start_wp_origin;
 574         }
 575
 576         // save org as it can be modified spawning symmetrycal waypoints
 577         vector initial_origin = '0 0 0';
 578         bool initial_origin_is_set = false;
 579
 580         LABEL(add_wp);
 581
 582         if (jp)
 583         {
 584                 e = NULL;
 585                 IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_NORELINK
 586                         && boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 587                 {
 588                         e = it; break;
 589                 });
 590                 if (!e)
 591                         e = waypoint_spawn(jp.absmin - PL_MAX_CONST + '1 1 1', jp.absmax - PL_MIN_CONST + '-1 -1 -1', WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
 592                 if (!pl.wp_locked)
 593                         pl.wp_locked = e;
 594         }
 595         else if (is_jump_wp || is_support_wp)
 596         {
 597                 int type_flag = (is_jump_wp) ? WAYPOINTFLAG_JUMP : WAYPOINTFLAG_SUPPORT;
 598
 599                 entity wp_found = waypoint_get(org, org);
 600                 if (wp_found && !(wp_found.wpflags & type_flag))
 601                 {
 602                         LOG_INFOF("Error: can't spawn a %s waypoint over an existent waypoint of a different type\n", (is_jump_wp) ? "Jump" : "Support");
 603                         return;
 604                 }
 605                 e = waypoint_spawn(org, org, type_flag | WAYPOINTFLAG_NORELINK);
 606                 if (!pl.wp_locked)
 607                         pl.wp_locked = e;
 608         }
 609         else
 610                 e = waypoint_spawn(org, org, (is_crouch_wp) ? WAYPOINTFLAG_CROUCH : 0);
 611         if(!e)
 612         {
 613                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
 614                 if (start_wp_is_spawned)
 615                         waypoint_clear_start_wp_globals(pl, true);
 616                 return;
 617         }
 618
 619         if (!initial_origin_is_set)
 620         {
 621                 initial_origin = e.origin;
 622                 initial_origin_is_set = true;
 623         }
 624
 625         entity start_wp = NULL;
 626         if (start_wp_is_spawned)
 627         {
 628                 IL_EACH(g_waypoints, (start_wp_is_hardwired || it.wpflags & WAYPOINTFLAG_NORELINK)
 629                         && boxesoverlap(start_org, start_org, it.absmin, it.absmax),
 630                 {
 631                         start_wp = it; break;
 632                 });
 633                 if(!start_wp)
 634                 {
 635                         // should not happen
 636                         LOG_INFOF("Couldn't find start waypoint at %v\n", start_org);
 637                         waypoint_clear_start_wp_globals(pl, true);
 638                         return;
 639                 }
 640                 if (start_wp_is_hardwired)
 641                 {
 642                         if (waypoint_is_hardwiredlink(start_wp, e))
 643                         {
 644                                 waypoint_unmark_hardwiredlink(start_wp, e);
 645                                 waypoint_removelink(start_wp, e);
 646                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 647                                 LOG_INFOF("^x80fRemoved hardwired link %s.\n", s);
 648                         }
 649                         else
 650                         {
 651                                 if (e.createdtime == time)
 652                                 {
 653                                         LOG_INFO("Error: hardwired links can be created only between 2 existing (and unconnected) waypoints.\n");
 654                                         waypoint_remove(e);
 655                                         waypoint_clear_start_wp_globals(pl, true);
 656                                         waypoint_spawn_fromeditor(pl, at_crosshair, is_jump_wp, is_crouch_wp, is_support_wp);
 657                                         return;
 658                                 }
 659                                 if (start_wp == e)
 660                                 {
 661                                         LOG_INFO("Error: start and destination waypoints coincide.\n");
 662                                         waypoint_clear_start_wp_globals(pl, true);
 663                                         return;
 664                                 }
 665                                 if (waypoint_islinked(start_wp, e))
 666                                 {
 667                                         LOG_INFO("Error: waypoints are already linked.\n");
 668                                         waypoint_clear_start_wp_globals(pl, true);
 669                                         return;
 670                                 }
 671                                 waypoint_addlink(start_wp, e);
 672                                 waypoint_mark_hardwiredlink(start_wp, e);
 673                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 674                                 LOG_INFOF("^x80fAdded hardwired link %s.\n", s);
 675                         }
 676                 }
 677                 else
 678                 {
 679                         if (start_wp_is_support)
 680                         {
 681                                 if (e.SUPPORT_WP)
 682                                 {
 683                                         LOG_INFOF("Waypoint %v has already a support waypoint, delete it first.\n", e.origin);
 684                                         waypoint_clear_start_wp_globals(pl, true);
 685                                         return;
 686                                 }
 687                                 // clear all links to e
 688                                 IL_EACH(g_waypoints, it != e,
 689                                 {
 690                                         if (waypoint_islinked(it, e) && !waypoint_is_hardwiredlink(it, e))
 691                                                 waypoint_removelink(it, e);
 692                                 });
 693                         }
 694                         waypoint_addlink(start_wp, e);
 695                 }
 696         }
 697
 698         if (!(jp || is_jump_wp || is_support_wp || start_wp_is_hardwired))
 699                 waypoint_schedulerelink(e);
 700
 701         string wp_type_str = waypoint_get_type_name(e);
 702
 703         bprint(strcat(wp_type_str, "^7 spawned at ", vtos(e.origin), "\n"));
 704
 705         if (start_wp_is_spawned)
 706         {
 707                 pl.wp_locked = NULL;
 708                 if (!start_wp_is_hardwired)
 709                         waypoint_schedulerelink(start_wp);
 710                 if (start_wp.wpflags & WAYPOINTFLAG_TELEPORT)
 711                 {
 712                         if (start_wp.wp00_original == start_wp.wp00)
 713                                 start_wp.wpflags &= ~WAYPOINTFLAG_CUSTOM_JP;
 714                         else
 715                                 start_wp.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
 716                 }
 717         }
 718
 719         if (sym)
 720         {
 721                 org = waypoint_getSymmetricalPoint(org, ctf_flags);
 722                 if (jp)
 723                 {
 724                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 725                         {
 726                                 jp = it; break;
 727                         });
 728                 }
 729                 if (start_wp_is_spawned)
 730                         start_org = waypoint_getSymmetricalPoint(start_org, ctf_flags);
 731                 if (vdist(org - pl.origin, >, 32))
 732                 {
 733                         if(wp_num > 2)
 734                                 wp_num--;
 735                         else
 736                                 sym = false;
 737                         goto add_wp;
 738                 }
 739         }
 740         if (jp || is_jump_wp || is_support_wp)
 741         {
 742                 if (!start_wp_is_spawned)
 743                 {
 744                         // we've just created a custom jumppad waypoint
 745                         // the next one created by the user will be the destination waypoint
 746                         start_wp_is_spawned = true;
 747                         start_wp_origin = initial_origin;
 748                         if (is_support_wp)
 749                                 start_wp_is_support = true;
 750                 }
 751         }
 752         else if (start_wp_is_spawned)
 753         {
 754                 waypoint_clear_start_wp_globals(pl, false);
 755         }
 756 }
 757
 758 void waypoint_remove(entity wp)
 759 {
 760         if (wp.SUPPORT_WP)
 761                 waypoint_remove(wp.SUPPORT_WP); // remove support waypoint too
 762
 763         IL_EACH(g_waypoints, it != wp,
 764         {
 765                 if (it.SUPPORT_WP == wp)
 766                 {
 767                         it.SUPPORT_WP = NULL;
 768                         waypoint_schedulerelink(it); // restore incoming links
 769                 }
 770                 if (waypoint_islinked(it, wp))
 771                 {
 772                         if (waypoint_is_hardwiredlink(it, wp))
 773                                 waypoint_unmark_hardwiredlink(it, wp);
 774                         waypoint_removelink(it, wp);
 775                 }
 776         });
 777         delete(wp);
 778 }
 779
 780 void waypoint_remove_fromeditor(entity pl)
 781 {
 782         if (WAYPOINT_VERSION < waypoint_version_loaded)
 783         {
 784                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 785                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 786                 return;
 787         }
 788
 789         entity e = navigation_findnearestwaypoint(pl, false);
 790
 791         int ctf_flags = havocbot_symmetry_origin_order;
 792         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 793                    || (autocvar_g_waypointeditor_symmetrical < 0));
 794         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 795                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 796         if (sym && ctf_flags < 2)
 797                 ctf_flags = 2;
 798         int wp_num = ctf_flags;
 799
 800         LABEL(remove_wp);
 801         if (!e) return;
 802
 803         if (e.wpflags & WAYPOINTFLAG_GENERATED)
 804         {
 805                 if (start_wp_is_spawned)
 806                         waypoint_clear_start_wp_globals(pl, true);
 807                 return;
 808         }
 809
 810         if (waypoint_has_hardwiredlinks(e))
 811         {
 812                 LOG_INFO("Can't remove a waypoint with hardwired links, remove them with \"wpeditor hardwire\" first\n");
 813                 return;
 814         }
 815
 816         entity wp_sym = NULL;
 817         if (sym)
 818         {
 819                 vector org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 820                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
 821                         if(vdist(org - it.origin, <, 3))
 822                         {
 823                                 wp_sym = it;
 824                                 break;
 825                         }
 826                 });
 827         }
 828
 829         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
 830         waypoint_remove(e);
 831
 832         if (sym && wp_sym)
 833         {
 834                 e = wp_sym;
 835                 if(wp_num > 2)
 836                         wp_num--;
 837                 else
 838                         sym = false;
 839                 goto remove_wp;
 840         }
 841
 842         if (start_wp_is_spawned)
 843                 waypoint_clear_start_wp_globals(pl, true);
 844 }
 845
 846 void waypoint_removelink(entity from, entity to)
 847 {
 848         if (from == to || (from.wpflags & WAYPOINTFLAG_NORELINK && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))))
 849                 return;
 850
 851         entity fromwp31_prev = from.wp31;
 852
 853         switch (waypoint_getlinknum(from, to))
 854         {
 855                 // fallthrough all the way
 856                 case  0: from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;
 857                 case  1: from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;
 858                 case  2: from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;
 859                 case  3: from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;
 860                 case  4: from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;
 861                 case  5: from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;
 862                 case  6: from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;
 863                 case  7: from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;
 864                 case  8: from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;
 865                 case  9: from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;
 866                 case 10: from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;
 867                 case 11: from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;
 868                 case 12: from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;
 869                 case 13: from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;
 870                 case 14: from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;
 871                 case 15: from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;
 872                 case 16: from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;
 873                 case 17: from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;
 874                 case 18: from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;
 875                 case 19: from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;
 876                 case 20: from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;
 877                 case 21: from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;
 878                 case 22: from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;
 879                 case 23: from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;
 880                 case 24: from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;
 881                 case 25: from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;
 882                 case 26: from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;
 883                 case 27: from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;
 884                 case 28: from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;
 885                 case 29: from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;
 886                 case 30: from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;
 887                 case 31: from.wp31 = NULL; from.wp31mincost = 10000000;
 888         }
 889
 890         if (fromwp31_prev && !from.wp31)
 891                 waypoint_schedulerelink(from);
 892 }
 893
 894 int waypoint_getlinknum(entity from, entity to)
 895 {
 896         if (from.wp00 == to) return  0; if (from.wp01 == to) return  1; if (from.wp02 == to) return  2; if (from.wp03 == to) return  3;
 897         if (from.wp04 == to) return  4; if (from.wp05 == to) return  5; if (from.wp06 == to) return  6; if (from.wp07 == to) return  7;
 898         if (from.wp08 == to) return  8; if (from.wp09 == to) return  9; if (from.wp10 == to) return 10; if (from.wp11 == to) return 11;
 899         if (from.wp12 == to) return 12; if (from.wp13 == to) return 13; if (from.wp14 == to) return 14; if (from.wp15 == to) return 15;
 900         if (from.wp16 == to) return 16; if (from.wp17 == to) return 17; if (from.wp18 == to) return 18; if (from.wp19 == to) return 19;
 901         if (from.wp20 == to) return 20; if (from.wp21 == to) return 21; if (from.wp22 == to) return 22; if (from.wp23 == to) return 23;
 902         if (from.wp24 == to) return 24; if (from.wp25 == to) return 25; if (from.wp26 == to) return 26; if (from.wp27 == to) return 27;
 903         if (from.wp28 == to) return 28; if (from.wp29 == to) return 29; if (from.wp30 == to) return 30; if (from.wp31 == to) return 31;
 904         return -1;
 905 }
 906
 907 bool waypoint_islinked(entity from, entity to)
 908 {
 909         return (waypoint_getlinknum(from, to) >= 0);
 910 }
 911
 912 void waypoint_updatecost_foralllinks()
 913 {
 914         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
 915         {
 916                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
 917                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
 918                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
 919                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
 920                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
 921                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
 922                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
 923                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
 924                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
 925                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
 926                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
 927                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
 928                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
 929                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
 930                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
 931                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
 932                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
 933                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
 934                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
 935                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
 936                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
 937                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
 938                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
 939                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
 940                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
 941                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
 942                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
 943                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
 944                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
 945                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
 946                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
 947                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
 948         });
 949 }
 950
 951 float waypoint_getlinearcost(float dist)
 952 {
 953         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
 954                 return dist / (autocvar_sv_maxspeed * 1.25);
 955         return dist / autocvar_sv_maxspeed;
 956 }
 957
 958 float waypoint_getlinearcost_underwater(float dist)
 959 {
 960         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
 961         return dist / (autocvar_sv_maxspeed * 0.7);
 962 }
 963
 964 float waypoint_getlinearcost_crouched(float dist)
 965 {
 966         return dist / (autocvar_sv_maxspeed * 0.5);
 967 }
 968
 969 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
 970 {
 971         bool submerged_from = navigation_check_submerged_state(from_ent, from);
 972         bool submerged_to = navigation_check_submerged_state(to_ent, to);
 973
 974         if (submerged_from && submerged_to)
 975                 return waypoint_getlinearcost_underwater(vlen(to - from));
 976
 977         if (from_ent.wpflags & WAYPOINTFLAG_CROUCH && to_ent.wpflags & WAYPOINTFLAG_CROUCH)
 978                 return waypoint_getlinearcost_crouched(vlen(to - from));
 979
 980         float c = waypoint_getlinearcost(vlen(to - from));
 981
 982         float height = from.z - to.z;
 983         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
 984         {
 985                 float height_cost; // fall cost
 986                 if (boolean(from_ent.wpflags & WAYPOINTFLAG_JUMP))
 987                         height_cost = jumpheight_time + sqrt((height + jumpheight_vec.z) / (autocvar_sv_gravity / 2));
 988                 else
 989                         height_cost = sqrt(height / (autocvar_sv_gravity / 2));
 990                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
 991                 if(height_cost > c)
 992                         c = height_cost;
 993         }
 994
 995         // consider half path underwater
 996         if (submerged_from || submerged_to)
 997                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
 998
 999         // consider half path crouched
1000         if (from_ent.wpflags & WAYPOINTFLAG_CROUCH || to_ent.wpflags & WAYPOINTFLAG_CROUCH)
1001                 return (c + waypoint_getlinearcost_crouched(vlen(to - from))) / 2;
1002
1003         return c;
1004 }
1005
1006 float waypoint_getlinkcost(entity from, entity to)
1007 {
1008         vector v1 = from.origin;
1009         vector v2 = to.origin;
1010         if (from.wpisbox)
1011         {
1012                 vector m1 = from.absmin, m2 = from.absmax;
1013                 v1.x = bound(m1.x, v2.x, m2.x);
1014                 v1.y = bound(m1.y, v2.y, m2.y);
1015                 v1.z = bound(m1.z, v2.z, m2.z);
1016         }
1017         if (to.wpisbox)
1018         {
1019                 vector m1 = to.absmin, m2 = to.absmax;
1020                 v2.x = bound(m1.x, v1.x, m2.x);
1021                 v2.y = bound(m1.y, v1.y, m2.y);
1022                 v2.z = bound(m1.z, v1.z, m2.z);
1023         }
1024         return waypoint_gettravelcost(v1, v2, from, to);
1025 }
1026
1027 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
1028 // if c == -1 automatically determine cost of the link
1029 void waypoint_addlink_customcost(entity from, entity to, float c)
1030 {
1031         if (from == to || waypoint_islinked(from, to))
1032                 return;
1033         if (c == -1 && (from.wpflags & WAYPOINTFLAG_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1034                 return;
1035
1036         if(c == -1)
1037                 c = waypoint_getlinkcost(from, to);
1038
1039         if (from.wp31mincost < c) return;
1040         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
1041         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
1042         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
1043         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
1044         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
1045         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
1046         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
1047         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
1048         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
1049         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
1050         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
1051         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
1052         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
1053         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
1054         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
1055         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
1056         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
1057         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
1058         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
1059         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
1060         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
1061         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
1062         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
1063         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
1064         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
1065         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
1066         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
1067         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
1068         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
1069         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
1070         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
1071         from.wp00 = to;from.wp00mincost = c;return;
1072 }
1073
1074 void waypoint_addlink(entity from, entity to)
1075 {
1076         if ((from.wpflags & WAYPOINTFLAG_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1077                 waypoint_addlink_for_custom_jumppad(from, to);
1078         else
1079                 waypoint_addlink_customcost(from, to, -1);
1080
1081         if (from.wpflags & WAYPOINTFLAG_SUPPORT)
1082                 to.SUPPORT_WP = from;
1083 }
1084
1085 // relink this spawnfunc_waypoint
1086 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
1087 // (SLOW!)
1088 void waypoint_think(entity this)
1089 {
1090         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
1091         float sv2_height = 0, ev2_height = 0;
1092
1093         bot_calculate_stepheightvec();
1094
1095         int dphitcontentsmask_save = this.dphitcontentsmask;
1096         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
1097
1098         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
1099
1100         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
1101         IL_EACH(g_waypoints, this != it,
1102         {
1103                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
1104                 {
1105                         if (!(this.wpflags & WAYPOINTFLAG_NORELINK))
1106                                 waypoint_addlink(this, it);
1107                         if (!(it.wpflags & WAYPOINTFLAG_NORELINK))
1108                                 waypoint_addlink(it, this);
1109                 }
1110                 else
1111                 {
1112                         ++relink_total;
1113                         if(!checkpvs(this.origin, it))
1114                         {
1115                                 ++relink_pvsculled;
1116                                 continue;
1117                         }
1118
1119                         sv = set_tracewalk_dest_2(this, it.origin);
1120                         sv2 = tracewalk_dest;
1121                         sv2_height = tracewalk_dest_height;
1122                         ev = set_tracewalk_dest_2(it, this.origin);
1123                         ev2 = tracewalk_dest;
1124                         ev2_height = tracewalk_dest_height;
1125
1126                         dv = ev - sv;
1127                         dv.z = 0;
1128                         int maxdist = 1050;
1129                         vector m1 = PL_MIN_CONST;
1130                         vector m2 = PL_MAX_CONST;
1131
1132                         if (this.wpflags & WAYPOINTFLAG_CROUCH || it.wpflags & WAYPOINTFLAG_CROUCH)
1133                         {
1134                                 m1 = PL_CROUCH_MIN_CONST;
1135                                 m2 = PL_CROUCH_MAX_CONST;
1136                                 // links from crouch wp to normal wp (and viceversa) are very short to avoid creating many links
1137                                 // that would be wasted due to rough travel cost calculation (the longer link is, the higher cost is)
1138                                 // links from crouch wp to crouch wp can be as long as normal links
1139                                 if (!(this.wpflags & WAYPOINTFLAG_CROUCH && it.wpflags & WAYPOINTFLAG_CROUCH))
1140                                         maxdist = 100;
1141                         }
1142
1143                         if (vdist(dv, >=, maxdist)) // max search distance in XY
1144                         {
1145                                 ++relink_lengthculled;
1146                                 continue;
1147                         }
1148
1149                         navigation_testtracewalk = 0;
1150
1151                         //traceline(this.origin, it.origin, false, NULL);
1152                         //if (trace_fraction == 1)
1153                         if (this.wpisbox || this.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT) // forbid outgoing links
1154                                 || it.SUPPORT_WP) // forbid incoming links
1155                         {
1156                                 relink_walkculled += 0.5;
1157                         }
1158                         else
1159                         {
1160                                 if (tracewalk(this, sv, m1, m2, ev2, ev2_height, MOVE_NOMONSTERS))
1161                                         waypoint_addlink(this, it);
1162                                 else
1163                                         relink_walkculled += 0.5;
1164                         }
1165
1166                         // reverse direction
1167                         if (it.wpisbox || it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT) // forbid incoming links
1168                                 || this.SUPPORT_WP) // forbid outgoing links
1169                         {
1170                                 relink_walkculled += 0.5;
1171                         }
1172                         else
1173                         {
1174                                 if (tracewalk(this, ev, m1, m2, sv2, sv2_height, MOVE_NOMONSTERS))
1175                                         waypoint_addlink(it, this);
1176                                 else
1177                                         relink_walkculled += 0.5;
1178                         }
1179                 }
1180         });
1181         navigation_testtracewalk = 0;
1182         this.wplinked = true;
1183         this.dphitcontentsmask = dphitcontentsmask_save;
1184
1185         setthink(this, func_null);
1186         this.nextthink = 0;
1187 }
1188
1189 void waypoint_clearlinks(entity wp)
1190 {
1191         // clear links to other waypoints
1192         float f = 10000000;
1193         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
1194         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
1195         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
1196         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
1197
1198         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
1199         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
1200         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
1201         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
1202
1203         wp.wplinked = false;
1204 }
1205
1206 // tell a spawnfunc_waypoint to relink
1207 void waypoint_schedulerelink(entity wp)
1208 {
1209         if (wp == NULL)
1210                 return;
1211
1212         waypoint_setupmodel(wp);
1213         wp.wpisbox = vdist(wp.size, >, 0);
1214         wp.enemy = NULL;
1215         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
1216                 wp.owner = NULL;
1217         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
1218                 waypoint_clearlinks(wp);
1219         // schedule an actual relink on next frame
1220         setthink(wp, waypoint_think);
1221         wp.nextthink = time;
1222         wp.effects = EF_LOWPRECISION;
1223 }
1224
1225 // spawnfunc_waypoint map entity
1226 spawnfunc(waypoint)
1227 {
1228         IL_PUSH(g_waypoints, this);
1229
1230         setorigin(this, this.origin);
1231         // schedule a relink after other waypoints have had a chance to spawn
1232         waypoint_clearlinks(this);
1233         //waypoint_schedulerelink(this);
1234 }
1235
1236 // tell all waypoints to relink
1237 // actually this is useful only to update relink_* stats
1238 void waypoint_schedulerelinkall()
1239 {
1240         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
1241         IL_EACH(g_waypoints, true,
1242         {
1243                 waypoint_schedulerelink(it);
1244         });
1245         waypoint_load_hardwiredlinks();
1246 }
1247
1248 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
1249
1250 // Load waypoint links from file
1251 bool waypoint_load_links()
1252 {
1253         string s;
1254         float file, tokens, c = 0, found;
1255         entity wp_from = NULL, wp_to;
1256         vector wp_to_pos, wp_from_pos;
1257
1258         string gt_ext = GET_GAMETYPE_EXTENSION();
1259
1260         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1261         file = fopen(filename, FILE_READ);
1262
1263         if (gt_ext != "" && file < 0)
1264         {
1265                 // if race waypoint file doesn't exist load the default one
1266                 filename = sprintf("maps/%s.waypoints.cache", mapname);
1267                 file = fopen(filename, FILE_READ);
1268         }
1269
1270         if (file < 0)
1271         {
1272                 LOG_TRACE("waypoint links load from ", filename, " failed");
1273                 waypoint_schedulerelinkall();
1274                 return false;
1275         }
1276
1277         bool parse_comments = true;
1278         float ver = 0;
1279         string links_time = string_null;
1280
1281         while ((s = fgets(file)))
1282         {
1283                 if(parse_comments)
1284                 {
1285                         if(substring(s, 0, 2) == "//")
1286                         {
1287                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1288                                         ver = stof(substring(s, 19, -1));
1289                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1290                                         links_time = substring(s, 16, -1);
1291                                 continue;
1292                         }
1293                         else
1294                         {
1295                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
1296                                 {
1297                                         if (links_time != waypoint_time)
1298                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
1299                                         else
1300                                                 LOG_TRACE("waypoint links for this map are outdated.");
1301                                         if (g_assault)
1302                                         {
1303                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
1304                                         }
1305                                         else
1306                                         {
1307                                                 LOG_TRACE("automatically updating...");
1308                                                 waypoint_schedulerelinkall();
1309                                                 fclose(file);
1310                                                 return false;
1311                                         }
1312                                 }
1313                                 parse_comments = false;
1314                         }
1315                 }
1316
1317                 tokens = tokenizebyseparator(s, "*");
1318
1319                 if (tokens!=2)
1320                 {
1321                         // bad file format
1322                         fclose(file);
1323                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
1324                         return false;
1325                 }
1326
1327                 wp_from_pos     = stov(argv(0));
1328                 wp_to_pos       = stov(argv(1));
1329
1330                 // Search "from" waypoint
1331                 if(!wp_from || wp_from.origin!=wp_from_pos)
1332                 {
1333                         wp_from = findradius(wp_from_pos, 1);
1334                         found = false;
1335                         while(wp_from)
1336                         {
1337                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
1338                                 if(wp_from.classname == "waypoint")
1339                                 {
1340                                         found = true;
1341                                         break;
1342                                 }
1343                                 wp_from = wp_from.chain;
1344                         }
1345
1346                         if(!found)
1347                         {
1348                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
1349                                 continue;
1350                         }
1351                 }
1352
1353                 // Search "to" waypoint
1354                 wp_to = findradius(wp_to_pos, 1);
1355                 found = false;
1356                 while(wp_to)
1357                 {
1358                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
1359                         if(wp_to.classname == "waypoint")
1360                         {
1361                                 found = true;
1362                                 break;
1363                         }
1364                         wp_to = wp_to.chain;
1365                 }
1366
1367                 if(!found)
1368                 {
1369                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
1370                         continue;
1371                 }
1372
1373                 ++c;
1374                 waypoint_addlink(wp_from, wp_to);
1375                 if (wp_from.wp00_original && wp_from.wp00_original != wp_from.wp00)
1376                         wp_from.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
1377         }
1378
1379         fclose(file);
1380
1381         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
1382
1383         bool scheduled = false;
1384         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
1385         {
1386                 if (!it.wp00)
1387                 {
1388                         waypoint_schedulerelink(it);
1389                         scheduled = true;
1390                 }
1391         });
1392         if (scheduled)
1393                 return false;
1394
1395         botframe_cachedwaypointlinks = true;
1396         return true;
1397 }
1398
1399 void waypoint_load_hardwiredlinks()
1400 {
1401         string s;
1402         float file, tokens, c = 0, found;
1403         entity wp_from = NULL, wp_to;
1404         vector wp_to_pos, wp_from_pos;
1405
1406         string gt_ext = GET_GAMETYPE_EXTENSION();
1407
1408         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1409         file = fopen(filename, FILE_READ);
1410
1411         if (gt_ext != "" && file < 0)
1412         {
1413                 // if race waypoint file doesn't exist load the default one
1414                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
1415                 file = fopen(filename, FILE_READ);
1416         }
1417
1418         botframe_loadedforcedlinks = true;
1419
1420         if (file < 0)
1421         {
1422                 LOG_TRACE("waypoint links load from ", filename, " failed");
1423                 return;
1424         }
1425
1426         bool is_special = false;
1427         while ((s = fgets(file)))
1428         {
1429                 if(substring(s, 0, 2)=="//")
1430                         continue;
1431
1432                 if(substring(s, 0, 1)=="#")
1433                         continue;
1434
1435                 // special links start with *, so old xonotic versions don't load them
1436                 is_special = false;
1437                 if (substring(s, 0, 1) == "*")
1438                 {
1439                         is_special = true;
1440                         s = substring(s, 1, -1);
1441                 }
1442
1443                 tokens = tokenizebyseparator(s, "*");
1444
1445                 if (tokens!=2)
1446                         continue;
1447
1448                 wp_from_pos     = stov(argv(0));
1449                 wp_to_pos       = stov(argv(1));
1450
1451                 // Search "from" waypoint
1452                 if(!wp_from || wp_from.origin!=wp_from_pos)
1453                 {
1454                         wp_from = findradius(wp_from_pos, 5);
1455                         found = false;
1456                         while(wp_from)
1457                         {
1458                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
1459                                 if(wp_from.classname == "waypoint")
1460                                 {
1461                                         found = true;
1462                                         break;
1463                                 }
1464                                 wp_from = wp_from.chain;
1465                         }
1466
1467                         if(!found)
1468                         {
1469                                 LOG_INFO("NOTICE: Can not find origin waypoint for the hardwired link ", s, ". Path skipped");
1470                                 continue;
1471                         }
1472                 }
1473
1474                 // Search "to" waypoint
1475                 wp_to = findradius(wp_to_pos, 5);
1476                 found = false;
1477                 while(wp_to)
1478                 {
1479                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
1480                         if(wp_to.classname == "waypoint")
1481                         {
1482                                 found = true;
1483                                 break;
1484                         }
1485                         wp_to = wp_to.chain;
1486                 }
1487
1488                 if(!found)
1489                 {
1490                         LOG_INFO("NOTICE: Can not find destination waypoint for the hardwired link ", s, ". Path skipped");
1491                         continue;
1492                 }
1493
1494                 ++c;
1495
1496                 if (!is_special)
1497                 {
1498                         waypoint_addlink(wp_from, wp_to);
1499                         waypoint_mark_hardwiredlink(wp_from, wp_to);
1500                 } else if (wp_from.wpflags & WAYPOINTFLAG_NORELINK
1501                         && (wp_from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)
1502                                 || (wp_from.wpisbox && wp_from.wpflags & WAYPOINTFLAG_TELEPORT)))
1503                 {
1504                         waypoint_addlink(wp_from, wp_to);
1505                 }
1506         }
1507
1508         fclose(file);
1509
1510         LOG_TRACE("loaded ", ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
1511 }
1512
1513 entity waypoint_get_link(entity w, float i)
1514 {
1515         switch(i)
1516         {
1517                 case  0:return w.wp00;
1518                 case  1:return w.wp01;
1519                 case  2:return w.wp02;
1520                 case  3:return w.wp03;
1521                 case  4:return w.wp04;
1522                 case  5:return w.wp05;
1523                 case  6:return w.wp06;
1524                 case  7:return w.wp07;
1525                 case  8:return w.wp08;
1526                 case  9:return w.wp09;
1527                 case 10:return w.wp10;
1528                 case 11:return w.wp11;
1529                 case 12:return w.wp12;
1530                 case 13:return w.wp13;
1531                 case 14:return w.wp14;
1532                 case 15:return w.wp15;
1533                 case 16:return w.wp16;
1534                 case 17:return w.wp17;
1535                 case 18:return w.wp18;
1536                 case 19:return w.wp19;
1537                 case 20:return w.wp20;
1538                 case 21:return w.wp21;
1539                 case 22:return w.wp22;
1540                 case 23:return w.wp23;
1541                 case 24:return w.wp24;
1542                 case 25:return w.wp25;
1543                 case 26:return w.wp26;
1544                 case 27:return w.wp27;
1545                 case 28:return w.wp28;
1546                 case 29:return w.wp29;
1547                 case 30:return w.wp30;
1548                 case 31:return w.wp31;
1549                 default:return NULL;
1550         }
1551 }
1552
1553 // Save all hardwired waypoint links to a file
1554 void waypoint_save_hardwiredlinks()
1555 {
1556         string gt_ext = GET_GAMETYPE_EXTENSION();
1557
1558         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1559         int file = fopen(filename, FILE_WRITE);
1560         if (file < 0)
1561         {
1562                 LOG_TRACE("waypoint hardwired links ", filename, " creation failed");
1563                 return;
1564         }
1565
1566         // write hardwired links to file
1567         int count = 0;
1568         fputs(file, "// HARDWIRED LINKS\n");
1569         IL_EACH(g_waypoints, waypoint_has_hardwiredlinks(it),
1570         {
1571                 for (int j = 0; j < 32; ++j)
1572                 {
1573                         entity link = waypoint_get_link(it, j);
1574                         if (waypoint_is_hardwiredlink(it, link))
1575                         {
1576                                 // NOTE: vtos rounds vector components to 1 decimal place
1577                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1578                                 fputs(file, s);
1579                                 ++count;
1580                         }
1581                 }
1582         });
1583
1584         // write special links to file
1585         int count2 = 0;
1586         fputs(file, "\n// SPECIAL LINKS\n");
1587         IL_EACH(g_waypoints, it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP),
1588         {
1589                 for (int j = 0; j < 32; ++j)
1590                 {
1591                         entity link = waypoint_get_link(it, j);
1592                         if (link)
1593                         {
1594                                 // NOTE: vtos rounds vector components to 1 decimal place
1595                                 string s = strcat("*", vtos(it.origin), "*", vtos(link.origin), "\n");
1596                                 fputs(file, s);
1597                                 ++count2;
1598                         }
1599                 }
1600         });
1601
1602         fclose(file);
1603
1604         LOG_INFOF("saved %d hardwired links and %d special links to %s", count, count2, filename);
1605 }
1606
1607 // Save all waypoint links to a file
1608 void waypoint_save_links()
1609 {
1610         string gt_ext = GET_GAMETYPE_EXTENSION();
1611
1612         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1613         int file = fopen(filename, FILE_WRITE);
1614         if (file < 0)
1615         {
1616                 LOG_INFOF("waypoint link save to %s failed", filename);
1617                 return;
1618         }
1619
1620         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1621         if (waypoint_time != "")
1622                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1623
1624         int c = 0;
1625         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP)),
1626         {
1627                 for(int j = 0; j < 32; ++j)
1628                 {
1629                         entity link = waypoint_get_link(it, j);
1630                         if (link && !waypoint_is_hardwiredlink(it, link))
1631                         {
1632                                 // NOTE: vtos rounds vector components to 1 decimal place
1633                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1634                                 fputs(file, s);
1635                                 ++c;
1636                         }
1637                 }
1638         });
1639         fclose(file);
1640
1641         botframe_cachedwaypointlinks = true;
1642
1643         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1644 }
1645
1646 // save waypoints to gamedir/data/maps/mapname.waypoints
1647 void waypoint_saveall()
1648 {
1649         if (WAYPOINT_VERSION < waypoint_version_loaded)
1650         {
1651                 LOG_INFOF("^1Overwriting waypoints with a higher version number (%f) is not allowed.\n"
1652                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1653                 return;
1654         }
1655         string gt_ext = GET_GAMETYPE_EXTENSION();
1656
1657         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1658         int file = fopen(filename, FILE_WRITE);
1659         if (file < 0)
1660         {
1661                 waypoint_save_links(); // save anyway?
1662                 botframe_loadedforcedlinks = false;
1663
1664                 LOG_INFOF("waypoint links: save to %s failed", filename);
1665                 return;
1666         }
1667
1668         float sym = autocvar_g_waypointeditor_symmetrical;
1669         string sym_str = ftos(sym);
1670         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1671         {
1672                 if (sym == 1)
1673                 {
1674                         sym_str = cons(sym_str, "-");
1675                         sym_str = cons(sym_str, "-");
1676                 }
1677                 else
1678                 {
1679                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1680                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1681                 }
1682                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1683                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1684         }
1685         else if (autocvar_g_waypointeditor_symmetrical == -2)
1686         {
1687                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1688                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1689         }
1690
1691         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1692         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1693         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1694         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1695
1696         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1697         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1698         //fputs(file, strcat("//", "\n"));
1699         //fputs(file, strcat("//", "\n"));
1700         //fputs(file, strcat("//", "\n"));
1701
1702         int c = 0;
1703         IL_EACH(g_waypoints, true,
1704         {
1705                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1706                         continue;
1707
1708                 string s;
1709                 // NOTE: vtos rounds vector components to 1 decimal place
1710                 s = strcat(vtos(it.origin + it.mins), "\n");
1711                 s = strcat(s, vtos(it.origin + it.maxs));
1712                 s = strcat(s, "\n");
1713                 s = strcat(s, ftos(it.wpflags));
1714                 s = strcat(s, "\n");
1715                 fputs(file, s);
1716                 c++;
1717         });
1718         fclose(file);
1719         waypoint_save_links();
1720         waypoint_save_hardwiredlinks();
1721
1722         botframe_loadedforcedlinks = false;
1723
1724         waypoint_version_loaded = WAYPOINT_VERSION;
1725         LOG_INFOF("saved %d waypoints to %s", c, filename);
1726 }
1727
1728 // load waypoints from file
1729 float waypoint_loadall()
1730 {
1731         string s;
1732         float file, cwp, cwb, fl;
1733         vector m1, m2;
1734         cwp = 0;
1735         cwb = 0;
1736
1737         string gt_ext = GET_GAMETYPE_EXTENSION();
1738
1739         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1740         file = fopen(filename, FILE_READ);
1741
1742         if (gt_ext != "" && file < 0)
1743         {
1744                 // if race waypoint file doesn't exist load the default one
1745                 filename = sprintf("maps/%s.waypoints", mapname);
1746                 file = fopen(filename, FILE_READ);
1747         }
1748
1749         if (file < 0)
1750         {
1751                 LOG_TRACE("waypoint load from ", filename, " failed");
1752                 return 0;
1753         }
1754
1755         bool parse_comments = true;
1756         float ver = 0;
1757         float sym = 0;
1758         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1759
1760         while ((s = fgets(file)))
1761         {
1762                 if(parse_comments)
1763                 {
1764                         if(substring(s, 0, 2) == "//")
1765                         {
1766                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1767                                         ver = stof(substring(s, 19, -1));
1768                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1769                                 {
1770                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1771                                         if (tokens) { sym = stof(argv(0)); }
1772                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1773                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1774                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1775                                 }
1776                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1777                                         strcpy(waypoint_time, substring(s, 16, -1));
1778                                 continue;
1779                         }
1780                         else
1781                         {
1782                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1783                                 {
1784                                         LOG_TRACE("waypoints for this map are outdated");
1785                                         LOG_TRACE("please update them in the editor");
1786                                 }
1787                                 parse_comments = false;
1788                         }
1789                 }
1790                 m1 = stov(s);
1791                 s = fgets(file);
1792                 if (!s)
1793                         break;
1794                 m2 = stov(s);
1795                 s = fgets(file);
1796                 if (!s)
1797                         break;
1798                 fl = stof(s);
1799                 waypoint_spawn(m1, m2, fl);
1800                 if (m1 == m2)
1801                         cwp = cwp + 1;
1802                 else
1803                         cwb = cwb + 1;
1804         }
1805         fclose(file);
1806         waypoint_version_loaded = ver;
1807         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1808
1809         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1810         {
1811                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1812                 if (sym == 1 && sym_param3 < 2)
1813                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1814                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1815                 {
1816                         string params;
1817                         if (sym == 1)
1818                                 params = cons("-", "-");
1819                         else
1820                         {
1821                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1822                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1823                         }
1824                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1825                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1826                 }
1827                 else if (sym == -2)
1828                 {
1829                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1830                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1831                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with axis ", params);
1832                 }
1833                 else
1834                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym));
1835                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1836         }
1837
1838         if (WAYPOINT_VERSION < waypoint_version_loaded)
1839                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
1840                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1841
1842         return cwp + cwb;
1843 }
1844
1845 #define waypoint_fixorigin(position, tracetest_ent) \
1846         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1847
1848 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1849 {
1850         vector endpos = position + down_dir * 3000;
1851         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1852         if(trace_startsolid)
1853                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1854         if(trace_startsolid)
1855                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1856         if(trace_fraction < 1)
1857                 position = trace_endpos;
1858         return position;
1859 }
1860
1861 void waypoint_spawnforitem_force(entity e, vector org)
1862 {
1863         // Fix the waypoint altitude if necessary
1864         org = waypoint_fixorigin(org, NULL);
1865
1866         // don't spawn an item spawnfunc_waypoint if it already exists
1867         IL_EACH(g_waypoints, true,
1868         {
1869                 if(it.wpisbox)
1870                 {
1871                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1872                         {
1873                                 e.nearestwaypoint = it;
1874                                 return;
1875                         }
1876                 }
1877                 else
1878                 {
1879                         if(vdist(it.origin - org, <, 16))
1880                         {
1881                                 e.nearestwaypoint = it;
1882                                 return;
1883                         }
1884                 }
1885         });
1886
1887         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1888 }
1889
1890 void waypoint_spawnforitem(entity e)
1891 {
1892         if(!bot_waypoints_for_items)
1893                 return;
1894
1895         waypoint_spawnforitem_force(e, e.origin);
1896 }
1897
1898 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1899 {
1900         entity w;
1901         entity dw;
1902         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag | WAYPOINTFLAG_NORELINK);
1903         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1904         // one way link to the destination
1905         w.wp00_original = dw;
1906         w.wp00 = dw;
1907         w.wp00mincost = timetaken; // this is just for jump pads
1908         // the teleporter's nearest spawnfunc_waypoint is this one
1909         // (teleporters are not goals, so this is probably useless)
1910         e.nearestwaypoint = w;
1911         e.nearestwaypointtimeout = -1;
1912 }
1913
1914 void waypoint_spawnforteleporter_wz(entity e, entity tracetest_ent)
1915 {
1916         float src_angle = e.warpzone_angles.x;
1917         while (src_angle < -180) src_angle += 360;
1918         while (src_angle > 180) src_angle -= 360;
1919
1920         float dest_angle = e.enemy.warpzone_angles.x;
1921         while (dest_angle < -180) dest_angle += 360;
1922         while (dest_angle > 180) dest_angle -= 360;
1923
1924         // no waypoints for warpzones pointing upwards, they can't be used by the bots
1925         if (src_angle == -90 || dest_angle == -90)
1926                 return;
1927
1928         makevectors(e.warpzone_angles);
1929         vector src = (e.absmin + e.absmax) * 0.5;
1930         src += ((e.warpzone_origin - src) * v_forward) * v_forward + 16 * v_right;
1931         vector down_dir_src = -v_up;
1932
1933         makevectors(e.enemy.warpzone_angles);
1934         vector dest = (e.enemy.absmin + e.enemy.absmax) * 0.5;
1935         dest += ((e.enemy.warpzone_origin - dest) * v_forward) * v_forward - 16 * v_right;
1936         vector down_dir_dest = -v_up;
1937
1938         int extra_flag = 0;
1939         // don't snap to the ground waypoints for source warpzones pointing downwards
1940         if (src_angle != 90)
1941         {
1942                 src = waypoint_fixorigin_down_dir(src, tracetest_ent, down_dir_src);
1943                 dest = waypoint_fixorigin_down_dir(dest, tracetest_ent, down_dir_dest);
1944                 // oblique warpzones need a jump otherwise bots gets stuck
1945                 if (src_angle != 0)
1946                         extra_flag = WAYPOINTFLAG_JUMP;
1947         }
1948
1949         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT | extra_flag, src, src, dest, dest, 0);
1950 }
1951
1952 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
1953 {
1954         destination = waypoint_fixorigin(destination, tracetest_ent);
1955         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);
1956 }
1957
1958 entity waypoint_spawnpersonal(entity this, vector position)
1959 {
1960         entity w;
1961
1962         // drop the waypoint to a proper location:
1963         //   first move it up by a player height
1964         //   then move it down to hit the floor with player bbox size
1965         position = waypoint_fixorigin(position, this);
1966
1967         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1968         w.nearestwaypoint = NULL;
1969         w.nearestwaypointtimeout = 0;
1970         w.owner = this;
1971
1972         waypoint_schedulerelink(w);
1973
1974         return w;
1975 }
1976
1977 void waypoint_showlink(entity wp1, entity wp2, int display_type)
1978 {
1979         if (!(wp1 && wp2))
1980                 return;
1981
1982         if (waypoint_is_hardwiredlink(wp1, wp2) || wp1.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP))
1983                 te_beam(NULL, wp1.origin, wp2.origin);
1984         else if (display_type == 1)
1985                 te_lightning2(NULL, wp1.origin, wp2.origin);
1986 }
1987
1988 void waypoint_showlinks_to(entity wp, int display_type)
1989 {
1990         IL_EACH(g_waypoints, it != wp,
1991         {
1992                 if (waypoint_islinked(it, wp))
1993                         waypoint_showlink(it, wp, display_type);
1994         });
1995 }
1996
1997 void waypoint_showlinks_from(entity wp, int display_type)
1998 {
1999         waypoint_showlink(wp, wp.wp00, display_type); waypoint_showlink(wp, wp.wp16, display_type);
2000         waypoint_showlink(wp, wp.wp01, display_type); waypoint_showlink(wp, wp.wp17, display_type);
2001         waypoint_showlink(wp, wp.wp02, display_type); waypoint_showlink(wp, wp.wp18, display_type);
2002         waypoint_showlink(wp, wp.wp03, display_type); waypoint_showlink(wp, wp.wp19, display_type);
2003         waypoint_showlink(wp, wp.wp04, display_type); waypoint_showlink(wp, wp.wp20, display_type);
2004         waypoint_showlink(wp, wp.wp05, display_type); waypoint_showlink(wp, wp.wp21, display_type);
2005         waypoint_showlink(wp, wp.wp06, display_type); waypoint_showlink(wp, wp.wp22, display_type);
2006         waypoint_showlink(wp, wp.wp07, display_type); waypoint_showlink(wp, wp.wp23, display_type);
2007         waypoint_showlink(wp, wp.wp08, display_type); waypoint_showlink(wp, wp.wp24, display_type);
2008         waypoint_showlink(wp, wp.wp09, display_type); waypoint_showlink(wp, wp.wp25, display_type);
2009         waypoint_showlink(wp, wp.wp10, display_type); waypoint_showlink(wp, wp.wp26, display_type);
2010         waypoint_showlink(wp, wp.wp11, display_type); waypoint_showlink(wp, wp.wp27, display_type);
2011         waypoint_showlink(wp, wp.wp12, display_type); waypoint_showlink(wp, wp.wp28, display_type);
2012         waypoint_showlink(wp, wp.wp13, display_type); waypoint_showlink(wp, wp.wp29, display_type);
2013         waypoint_showlink(wp, wp.wp14, display_type); waypoint_showlink(wp, wp.wp30, display_type);
2014         waypoint_showlink(wp, wp.wp15, display_type); waypoint_showlink(wp, wp.wp31, display_type);
2015 }
2016
2017 void crosshair_trace_waypoints(entity pl)
2018 {
2019         IL_EACH(g_waypoints, true, {
2020                 it.solid = SOLID_BSP;
2021                 if (!it.wpisbox)
2022                         setsize(it, '-16 -16 -16', '16 16 16');
2023         });
2024
2025         crosshair_trace(pl);
2026
2027         IL_EACH(g_waypoints, true, {
2028                 it.solid = SOLID_TRIGGER;
2029                 if (!it.wpisbox)
2030                         setsize(it, '0 0 0', '0 0 0');
2031         });
2032         if (trace_ent.classname != "waypoint")
2033                 trace_ent = NULL;
2034 }
2035
2036 void botframe_showwaypointlinks()
2037 {
2038         if (time < botframe_waypointeditorlightningtime)
2039                 return;
2040         botframe_waypointeditorlightningtime = time + 0.5;
2041         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
2042         {
2043                 int display_type = 0;
2044                 if (wasfreed(it.wp_aimed))
2045                         it.wp_aimed = NULL;
2046                 if (wasfreed(it.wp_locked))
2047                         it.wp_locked = NULL;
2048                 if (PHYS_INPUT_BUTTON_USE(it))
2049                         it.wp_locked = it.wp_aimed;
2050                 entity head = it.wp_locked;
2051                 if (!head)
2052                         head = navigation_findnearestwaypoint(it, false);
2053                 it.nearestwaypoint = head; // mainly useful for debug
2054                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
2055                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE || it.wp_locked)
2056                         display_type = 1; // default
2057                 else if(waypoint_has_hardwiredlinks(head))
2058                         display_type = 2; // only hardwired
2059
2060                 if (display_type)
2061                 {
2062                         //navigation_testtracewalk = true;
2063                         //print("currently selected WP is ", etos(head), "\n");
2064                         //navigation_testtracewalk = false;
2065                         if (head)
2066                         {
2067                                 te_lightning2(NULL, head.origin, it.origin);
2068                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
2069                                         waypoint_showlinks_to(head, display_type);
2070                                 else
2071                                         waypoint_showlinks_from(head, display_type);
2072                         }
2073                 }
2074                 string str;
2075                 entity wp = NULL;
2076                 if (vdist(vec2(it.velocity), <, autocvar_sv_maxspeed * 1.1))
2077                 {
2078                         crosshair_trace_waypoints(it);
2079                         if (trace_ent)
2080                         {
2081                                 wp = trace_ent;
2082                                 if (wp != it.wp_aimed)
2083                                 {
2084                                         string wp_type_str = waypoint_get_type_name(wp);
2085                                         str = sprintf("\necho Entity %d: %s^7, flags: %d, origin: %s\n", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2086                                         if (wp.wpisbox)
2087                                                 str = strcat(str, sprintf("echo \" absmin: %s, absmax: %s\"\n", vtos(wp.absmin), vtos(wp.absmax)));
2088                                         stuffcmd(it, str);
2089                                         str = sprintf("Entity %d: %s^7\nflags: %d\norigin: %s", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2090                                         if (wp.wpisbox)
2091                                                 str = strcat(str, sprintf(" \nabsmin: %s\nabsmax: %s", vtos(wp.absmin), vtos(wp.absmax)));
2092                                         debug_text_3d(wp.origin, str, 0, 7, '0 0 0');
2093                                 }
2094                         }
2095                 }
2096                 if (it.wp_aimed != wp)
2097                         it.wp_aimed = wp;
2098         });
2099 }
2100
2101 float botframe_autowaypoints_fixdown(vector v)
2102 {
2103         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
2104         if(trace_fraction >= 1)
2105                 return 0;
2106         return 1;
2107 }
2108
2109 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
2110 {
2111         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
2112         {
2113                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
2114                 return 0;
2115         });
2116
2117         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
2118         return 1;
2119 }
2120
2121 // return value:
2122 //    1 = WP created
2123 //    0 = no action needed
2124 //   -1 = temp fail, try from world too
2125 //   -2 = permanent fail, do not retry
2126 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
2127 {
2128         // make it possible to go from p to wp, if we can
2129         // if wp is NULL, nearest is chosen
2130
2131         entity w;
2132         vector porg;
2133         float t, tmin, tmax;
2134         vector o;
2135         vector save;
2136
2137         if(!botframe_autowaypoints_fixdown(p.origin))
2138                 return -2;
2139         porg = trace_endpos;
2140
2141         if(wp)
2142         {
2143                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
2144
2145                 // if wp -> porg, then OK
2146                 float maxdist;
2147                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
2148                 {
2149                         // we may find a better one
2150                         maxdist = vlen(wp.origin - porg);
2151                 }
2152                 else
2153                 {
2154                         // accept any "good"
2155                         maxdist = 2100;
2156                 }
2157
2158                 float bestdist = maxdist;
2159                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WAYPOINTFLAG_NORELINK),
2160                 {
2161                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
2162                         if(d < bestdist)
2163                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
2164                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
2165                         {
2166                                 bestdist = d;
2167                                 p.(fld) = it;
2168                         }
2169                 });
2170                 if(bestdist < maxdist)
2171                 {
2172                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
2173                         return 0;
2174                 }
2175
2176                 if(bestdist < 2100)
2177                 {
2178                         // we know maxdist < 2100
2179                         // so wp -> porg is still valid
2180                         // all is good
2181                         p.(fld) = wp;
2182                         return 0;
2183                 }
2184
2185                 // otherwise, no existing WP can fix our issues
2186         }
2187         else
2188         {
2189                 save = p.origin;
2190                 setorigin(p, porg);
2191                 w = navigation_findnearestwaypoint(p, walkfromwp);
2192                 setorigin(p, save);
2193                 if(w)
2194                 {
2195                         p.(fld) = w;
2196                         return 0;
2197                 }
2198         }
2199
2200         tmin = 0;
2201         tmax = 1;
2202         for (;;)
2203         {
2204                 if(tmax - tmin < 0.001)
2205                 {
2206                         // did not get a good candidate
2207                         return -1;
2208                 }
2209
2210                 t = (tmin + tmax) * 0.5;
2211                 o = antilag_takebackorigin(p, CS(p), time - t);
2212                 if(!botframe_autowaypoints_fixdown(o))
2213                         return -2;
2214                 o = trace_endpos;
2215
2216                 if(wp)
2217                 {
2218                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
2219                         {
2220                                 // we cannot walk from wp.origin to o
2221                                 // get closer to tmax
2222                                 tmin = t;
2223                                 continue;
2224                         }
2225                 }
2226                 else
2227                 {
2228                         save = p.origin;
2229                         setorigin(p, o);
2230                         w = navigation_findnearestwaypoint(p, walkfromwp);
2231                         setorigin(p, save);
2232                         if(!w)
2233                         {
2234                                 // we cannot walk from any WP to o
2235                                 // get closer to tmax
2236                                 tmin = t;
2237                                 continue;
2238                         }
2239                 }
2240
2241                 // if we get here, o is valid regarding waypoints
2242                 // check if o is connected right to the player
2243                 // we break if it succeeds, as that means o is a good waypoint location
2244                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
2245                         break;
2246
2247                 // o is no good, we need to get closer to the player
2248                 tmax = t;
2249         }
2250
2251         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
2252         botframe_autowaypoints_createwp(o, p, fld, 0);
2253         return 1;
2254 }
2255
2256 // automatically create missing waypoints
2257 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
2258 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
2259 {
2260         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
2261         if(r != -1)
2262                 return;
2263         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
2264         if(r != -1)
2265                 return;
2266
2267         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
2268         if(!botframe_autowaypoints_fixdown(p.origin))
2269                 return; // shouldn't happen, caught above
2270         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
2271 }
2272
2273 void botframe_deleteuselesswaypoints()
2274 {
2275         IL_EACH(g_items, it.bot_pickup,
2276         {
2277                 // NOTE: this protects waypoints if they're the ONLY nearest
2278                 // waypoint. That's the intention.
2279                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
2280                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
2281         });
2282         IL_EACH(g_waypoints, true,
2283         {
2284                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
2285                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
2286                 // WP is useful if:
2287                 if (it.wpflags & WAYPOINTFLAG_ITEM)
2288                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2289                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
2290                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2291                 if (it.wpflags & WAYPOINTFLAG_LADDER)
2292                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2293                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
2294                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2295                 // b) WP is closest WP for an item/spawnpoint/other entity
2296                 //    This has been done above by protecting these WPs.
2297         });
2298         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
2299         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
2300         {
2301                 for (int m = 0; m < 32; ++m)
2302                 {
2303                         entity w = waypoint_get_link(it, m);
2304                         if (!w)
2305                                 break;
2306                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
2307                                 continue;
2308                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
2309                                 continue;
2310                         for (int j = 0; j < 32; ++j)
2311                         {
2312                                 entity w2 = waypoint_get_link(w, j);
2313                                 if (!w2)
2314                                         break;
2315                                 if (it == w2)
2316                                         continue;
2317                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
2318                                         continue;
2319                                 // If we got here, it != w2 exist with it -> w
2320                                 // and w -> w2. That means the waypoint is not
2321                                 // a dead end.
2322                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
2323                                 for (int k = 0; k < 32; ++k)
2324                                 {
2325                                         if (waypoint_get_link(it, k) == w2)
2326                                                 continue;
2327                                         // IF WE GET HERE, w is proven useful
2328                                         // to get from it to w2!
2329                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
2330                                         goto next;
2331                                 }
2332                         }
2333 LABEL(next)
2334                 }
2335         });
2336         // d) The waypoint is a dead end. Dead end waypoints must be kept as
2337         //     they are needed to complete routes while autowaypointing.
2338
2339         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
2340         {
2341                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
2342                 te_explosion(it.origin);
2343                 waypoint_remove(it);
2344                 break;
2345         });
2346
2347         IL_EACH(g_waypoints, true,
2348         {
2349                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
2350         });
2351 }
2352
2353 void botframe_autowaypoints()
2354 {
2355         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
2356                 // going back is broken, so only fix waypoints to walk TO the player
2357                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
2358                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
2359                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
2360         });
2361
2362         if (autocvar_g_waypointeditor_auto >= 2) {
2363                 botframe_deleteuselesswaypoints();
2364         }
2365 }
2366