qcsrc/server/bot/default/waypoints.qc

   1 #include "waypoints.qh"
   2
   3 #include <server/defs.qh>
   4 #include <server/miscfunctions.qh>
   5 #include "cvars.qh"
   6
   7 #include "bot.qh"
   8 #include "navigation.qh"
   9
  10 #include <common/state.qh>
  11
  12 #include "../../antilag.qh"
  13
  14 #include <common/constants.qh>
  15 #include <common/net_linked.qh>
  16 #include <common/physics/player.qh>
  17
  18 #include <lib/warpzone/common.qh>
  19 #include <lib/warpzone/util_server.qh>
  20
  21 .entity spawnpointmodel;
  22 void waypoint_unreachable(entity pl)
  23 {
  24         IL_EACH(g_waypoints, true,
  25         {
  26                 it.colormod = '0.5 0.5 0.5';
  27                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
  28         });
  29
  30         entity e2 = navigation_findnearestwaypoint(pl, false);
  31         if(!e2)
  32         {
  33                 LOG_INFOF("Can't find any waypoint nearby\n");
  34                 return;
  35         }
  36
  37         navigation_markroutes(pl, e2);
  38
  39         int j = 0;
  40         int m = 0;
  41         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  42         {
  43                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
  44                 it.colormod_z = 8;
  45                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
  46                 j++;
  47                 m++;
  48         });
  49         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
  50         navigation_markroutes_inverted(e2);
  51
  52         j = 0;
  53         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  54         {
  55                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
  56                 it.colormod_x = 8;
  57                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
  58                         m++;
  59                 it.effects |= EF_NODEPTHTEST | EF_RED;
  60                 j++;
  61         });
  62         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
  63         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
  64
  65         j = 0;
  66         IL_EACH(g_spawnpoints, true,
  67         {
  68                 if (navigation_findnearestwaypoint(it, false))
  69                 {
  70                         if(it.spawnpointmodel)
  71                         {
  72                                 delete(it.spawnpointmodel);
  73                                 it.spawnpointmodel = NULL;
  74                         }
  75                 }
  76                 else
  77                 {
  78                         if(!it.spawnpointmodel)
  79                         {
  80                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
  81                                 entity e = new(spawnpointmodel);
  82                                 vector org = trace_endpos + eZ;
  83                                 setorigin(e, org);
  84                                 e.solid = SOLID_TRIGGER;
  85                                 it.spawnpointmodel = e;
  86                         }
  87                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
  88                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
  89                         _setmodel(it.spawnpointmodel, pl.model);
  90                         it.spawnpointmodel.frame = pl.frame;
  91                         it.spawnpointmodel.skin = pl.skin;
  92                         it.spawnpointmodel.colormap = pl.colormap;
  93                         it.spawnpointmodel.colormod = pl.colormod;
  94                         it.spawnpointmodel.glowmod = pl.glowmod;
  95                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
  96                         j++;
  97                 }
  98         });
  99         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
 100
 101         j = 0;
 102         IL_EACH(g_items, true,
 103         {
 104                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
 105                 it.colormod = '0.5 0.5 0.5';
 106         });
 107         IL_EACH(g_items, true,
 108         {
 109                 if (navigation_findnearestwaypoint(it, false))
 110                         continue;
 111                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 112                 it.effects |= EF_NODEPTHTEST | EF_RED;
 113                 it.colormod_x = 8;
 114                 j++;
 115         });
 116         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
 117
 118         j = 0;
 119         IL_EACH(g_items, true,
 120         {
 121                 if (navigation_findnearestwaypoint(it, true))
 122                         continue;
 123                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 124                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
 125                 it.colormod_z = 8;
 126                 j++;
 127         });
 128         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
 129 }
 130
 131 vector waypoint_getSymmetricalOrigin(vector org, int ctf_flags)
 132 {
 133         vector new_org = org;
 134         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
 135         {
 136                 vector map_center = havocbot_middlepoint;
 137                 if (autocvar_g_waypointeditor_symmetrical == -1)
 138                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
 139
 140                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
 141         }
 142         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
 143         {
 144                 float m = havocbot_symmetryaxis_equation.x;
 145                 float q = havocbot_symmetryaxis_equation.y;
 146                 if (autocvar_g_waypointeditor_symmetrical == -2)
 147                 {
 148                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
 149                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
 150                 }
 151
 152                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
 153                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
 154         }
 155         new_org.z = org.z;
 156         return new_org;
 157 }
 158
 159 void waypoint_setupmodel(entity wp)
 160 {
 161         if (autocvar_g_waypointeditor)
 162         {
 163                 // TODO: add some sort of visible box in edit mode for box waypoints
 164                 vector m1 = wp.mins;
 165                 vector m2 = wp.maxs;
 166                 setmodel(wp, MDL_WAYPOINT);
 167                 setsize(wp, m1, m2);
 168                 wp.effects = EF_LOWPRECISION;
 169                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 170                         wp.colormod = '1 0 0';
 171                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 172                         wp.colormod = '1 1 0';
 173                 else if (wp.wphardwired)
 174                         wp.colormod = '0.5 0 1';
 175                 else
 176                         wp.colormod = '1 1 1';
 177         }
 178         else
 179                 wp.model = "";
 180 }
 181
 182 entity waypoint_spawn(vector m1, vector m2, float f)
 183 {
 184         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
 185         {
 186                 vector em1 = m1 - '8 8 8';
 187                 vector em2 = m2 + '8 8 8';
 188                 IL_EACH(g_waypoints, boxesoverlap(em1, em2, it.absmin, it.absmax),
 189                 {
 190                         return it;
 191                 });
 192         }
 193
 194         entity w = new(waypoint);
 195         IL_PUSH(g_waypoints, w);
 196         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 197         w.wpflags = f;
 198         w.solid = SOLID_TRIGGER;
 199         setorigin(w, (m1 + m2) * 0.5);
 200         setsize(w, m1 - w.origin, m2 - w.origin);
 201         if (w.size)
 202                 w.wpisbox = true;
 203
 204         if(!w.wpisbox)
 205         {
 206                 setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
 207                 if(!move_out_of_solid(w))
 208                 {
 209                         if(!(f & WAYPOINTFLAG_GENERATED))
 210                         {
 211                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
 212                                 delete(w);
 213                                 return NULL;
 214                         }
 215                         else
 216                         {
 217                                 if(autocvar_developer)
 218                                 {
 219                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
 220                                         backtrace("Waypoint stuck");
 221                                 }
 222                         }
 223                 }
 224                 setsize(w, '0 0 0', '0 0 0');
 225         }
 226
 227         waypoint_clearlinks(w);
 228         //waypoint_schedulerelink(w);
 229
 230         waypoint_setupmodel(w);
 231
 232         return w;
 233 }
 234
 235 void waypoint_spawn_fromeditor(entity pl)
 236 {
 237         entity e;
 238         vector org = pl.origin;
 239         int ctf_flags = havocbot_symmetryaxis_equation.z;
 240         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 241                    || (autocvar_g_waypointeditor_symmetrical < 0));
 242         int order = ctf_flags;
 243         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 244         {
 245                 order = autocvar_g_waypointeditor_symmetrical_order;
 246                 ctf_flags = order;
 247         }
 248
 249         if(!PHYS_INPUT_BUTTON_CROUCH(pl))
 250         {
 251                 // snap waypoint to item's origin if close enough
 252                 IL_EACH(g_items, true,
 253                 {
 254                         vector item_org = (it.absmin + it.absmax) * 0.5;
 255                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
 256                         if(vlen(item_org - org) < 30)
 257                         {
 258                                 org = item_org;
 259                                 break;
 260                         }
 261                 });
 262         }
 263
 264         LABEL(add_wp);
 265         e = waypoint_spawn(org, org, 0);
 266         if(!e)
 267         {
 268                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
 269                 return;
 270         }
 271         waypoint_schedulerelink(e);
 272         bprint(strcat("Waypoint spawned at ", vtos(e.origin), "\n"));
 273         if(sym)
 274         {
 275                 org = waypoint_getSymmetricalOrigin(e.origin, ctf_flags);
 276                 if (vdist(org - pl.origin, >, 32))
 277                 {
 278                         if(order > 2)
 279                                 order--;
 280                         else
 281                                 sym = false;
 282                         goto add_wp;
 283                 }
 284         }
 285 }
 286
 287 void waypoint_remove(entity wp)
 288 {
 289         // tell all waypoints linked to wp that they need to relink
 290         IL_EACH(g_waypoints, it != wp,
 291         {
 292                 if (waypoint_islinked(it, wp))
 293                         waypoint_removelink(it, wp);
 294         });
 295         delete(wp);
 296 }
 297
 298 void waypoint_remove_fromeditor(entity pl)
 299 {
 300         entity e = navigation_findnearestwaypoint(pl, false);
 301
 302         int ctf_flags = havocbot_symmetryaxis_equation.z;
 303         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 304                    || (autocvar_g_waypointeditor_symmetrical < 0));
 305         int order = ctf_flags;
 306         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 307         {
 308                 order = autocvar_g_waypointeditor_symmetrical_order;
 309                 ctf_flags = order;
 310         }
 311
 312         LABEL(remove_wp);
 313         if (!e) return;
 314         if (e.wpflags & WAYPOINTFLAG_GENERATED) return;
 315
 316         if (e.wphardwired)
 317         {
 318                 LOG_INFO("^1Warning: ^7Removal of hardwired waypoints is not allowed in the editor. Please remove links from/to this waypoint (", vtos(e.origin), ") by hand from maps/", mapname, ".waypoints.hardwired\n");
 319                 return;
 320         }
 321
 322         entity wp_sym = NULL;
 323         if (sym)
 324         {
 325                 vector org = waypoint_getSymmetricalOrigin(e.origin, ctf_flags);
 326                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
 327                         if(vdist(org - it.origin, <, 3))
 328                         {
 329                                 wp_sym = it;
 330                                 break;
 331                         }
 332                 });
 333         }
 334
 335         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
 336         waypoint_remove(e);
 337
 338         if (sym && wp_sym)
 339         {
 340                 e = wp_sym;
 341                 if(order > 2)
 342                         order--;
 343                 else
 344                         sym = false;
 345                 goto remove_wp;
 346         }
 347 }
 348
 349 void waypoint_removelink(entity from, entity to)
 350 {
 351         if (from == to || (from.wpflags & WAYPOINTFLAG_NORELINK))
 352                 return;
 353
 354         bool found = false;
 355         if (!found && from.wp00 == to) found = true; if (found) {from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;}
 356         if (!found && from.wp01 == to) found = true; if (found) {from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;}
 357         if (!found && from.wp02 == to) found = true; if (found) {from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;}
 358         if (!found && from.wp03 == to) found = true; if (found) {from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;}
 359         if (!found && from.wp04 == to) found = true; if (found) {from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;}
 360         if (!found && from.wp05 == to) found = true; if (found) {from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;}
 361         if (!found && from.wp06 == to) found = true; if (found) {from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;}
 362         if (!found && from.wp07 == to) found = true; if (found) {from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;}
 363         if (!found && from.wp08 == to) found = true; if (found) {from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;}
 364         if (!found && from.wp09 == to) found = true; if (found) {from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;}
 365         if (!found && from.wp10 == to) found = true; if (found) {from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;}
 366         if (!found && from.wp11 == to) found = true; if (found) {from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;}
 367         if (!found && from.wp12 == to) found = true; if (found) {from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;}
 368         if (!found && from.wp13 == to) found = true; if (found) {from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;}
 369         if (!found && from.wp14 == to) found = true; if (found) {from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;}
 370         if (!found && from.wp15 == to) found = true; if (found) {from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;}
 371         if (!found && from.wp16 == to) found = true; if (found) {from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;}
 372         if (!found && from.wp17 == to) found = true; if (found) {from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;}
 373         if (!found && from.wp18 == to) found = true; if (found) {from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;}
 374         if (!found && from.wp19 == to) found = true; if (found) {from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;}
 375         if (!found && from.wp20 == to) found = true; if (found) {from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;}
 376         if (!found && from.wp21 == to) found = true; if (found) {from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;}
 377         if (!found && from.wp22 == to) found = true; if (found) {from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;}
 378         if (!found && from.wp23 == to) found = true; if (found) {from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;}
 379         if (!found && from.wp24 == to) found = true; if (found) {from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;}
 380         if (!found && from.wp25 == to) found = true; if (found) {from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;}
 381         if (!found && from.wp26 == to) found = true; if (found) {from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;}
 382         if (!found && from.wp27 == to) found = true; if (found) {from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;}
 383         if (!found && from.wp28 == to) found = true; if (found) {from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;}
 384         if (!found && from.wp29 == to) found = true; if (found) {from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;}
 385         if (!found && from.wp30 == to) found = true; if (found) {from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;}
 386         if (found) {from.wp31 = NULL; from.wp31mincost = 10000000;}
 387 }
 388
 389 bool waypoint_islinked(entity from, entity to)
 390 {
 391         if (from.wp00 == to) return true;if (from.wp01 == to) return true;if (from.wp02 == to) return true;if (from.wp03 == to) return true;
 392         if (from.wp04 == to) return true;if (from.wp05 == to) return true;if (from.wp06 == to) return true;if (from.wp07 == to) return true;
 393         if (from.wp08 == to) return true;if (from.wp09 == to) return true;if (from.wp10 == to) return true;if (from.wp11 == to) return true;
 394         if (from.wp12 == to) return true;if (from.wp13 == to) return true;if (from.wp14 == to) return true;if (from.wp15 == to) return true;
 395         if (from.wp16 == to) return true;if (from.wp17 == to) return true;if (from.wp18 == to) return true;if (from.wp19 == to) return true;
 396         if (from.wp20 == to) return true;if (from.wp21 == to) return true;if (from.wp22 == to) return true;if (from.wp23 == to) return true;
 397         if (from.wp24 == to) return true;if (from.wp25 == to) return true;if (from.wp26 == to) return true;if (from.wp27 == to) return true;
 398         if (from.wp28 == to) return true;if (from.wp29 == to) return true;if (from.wp30 == to) return true;if (from.wp31 == to) return true;
 399         return false;
 400 }
 401
 402 void waypoint_updatecost_foralllinks()
 403 {
 404         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
 405         {
 406                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
 407                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
 408                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
 409                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
 410                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
 411                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
 412                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
 413                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
 414                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
 415                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
 416                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
 417                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
 418                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
 419                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
 420                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
 421                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
 422                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
 423                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
 424                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
 425                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
 426                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
 427                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
 428                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
 429                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
 430                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
 431                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
 432                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
 433                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
 434                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
 435                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
 436                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
 437                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
 438         });
 439 }
 440
 441 float waypoint_getlinearcost(float dist)
 442 {
 443         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
 444                 return dist / (autocvar_sv_maxspeed * 1.25);
 445         return dist / autocvar_sv_maxspeed;
 446 }
 447 float waypoint_getlinearcost_underwater(float dist)
 448 {
 449         // NOTE: this value is hardcoded on the engine too, see SV_WaterMove
 450         return dist / (autocvar_sv_maxspeed * 0.7);
 451 }
 452
 453 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
 454 {
 455         bool submerged_from = navigation_check_submerged_state(from_ent, from);
 456         bool submerged_to = navigation_check_submerged_state(to_ent, to);
 457
 458         if (submerged_from && submerged_to)
 459                 return waypoint_getlinearcost_underwater(vlen(to - from));
 460
 461         float c = waypoint_getlinearcost(vlen(to - from));
 462
 463         float height = from.z - to.z;
 464         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
 465         {
 466                 float height_cost = sqrt(height / (autocvar_sv_gravity / 2));
 467                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
 468                 if(height_cost > c)
 469                         c = height_cost;
 470         }
 471
 472         if (submerged_from || submerged_to)
 473                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
 474         return c;
 475 }
 476
 477 float waypoint_getlinkcost(entity from, entity to)
 478 {
 479         vector v1 = from.origin;
 480         vector v2 = to.origin;
 481         if (from.wpisbox)
 482         {
 483                 vector m1 = from.absmin, m2 = from.absmax;
 484                 v1.x = bound(m1.x, v2.x, m2.x);
 485                 v1.y = bound(m1.y, v2.y, m2.y);
 486                 v1.z = bound(m1.z, v2.z, m2.z);
 487         }
 488         if (to.wpisbox)
 489         {
 490                 vector m1 = to.absmin, m2 = to.absmax;
 491                 v2.x = bound(m1.x, v1.x, m2.x);
 492                 v2.y = bound(m1.y, v1.y, m2.y);
 493                 v2.z = bound(m1.z, v1.z, m2.z);
 494         }
 495         return waypoint_gettravelcost(v1, v2, from, to);
 496 }
 497
 498 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 499 // if c == -1 automatically determine cost of the link
 500 void waypoint_addlink_customcost(entity from, entity to, float c)
 501 {
 502         if (from == to || waypoint_islinked(from, to))
 503                 return;
 504         if (c == -1 && (from.wpflags & WAYPOINTFLAG_NORELINK))
 505                 return;
 506
 507         if(c == -1)
 508                 c = waypoint_getlinkcost(from, to);
 509
 510         if (from.wp31mincost < c) return;
 511         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 512         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 513         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 514         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 515         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 516         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 517         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 518         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 519         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 520         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 521         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 522         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 523         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 524         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 525         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 526         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 527         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 528         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 529         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 530         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 531         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 532         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 533         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 534         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 535         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 536         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 537         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 538         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 539         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 540         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 541         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 542         from.wp00 = to;from.wp00mincost = c;return;
 543 }
 544
 545 void waypoint_addlink(entity from, entity to)
 546 {
 547         waypoint_addlink_customcost(from, to, -1);
 548 }
 549
 550 // relink this spawnfunc_waypoint
 551 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 552 // (SLOW!)
 553 void waypoint_think(entity this)
 554 {
 555         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
 556         float sv2_height = 0, ev2_height = 0;
 557
 558         bot_calculate_stepheightvec();
 559
 560         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
 561
 562         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
 563         IL_EACH(g_waypoints, this != it,
 564         {
 565                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
 566                 {
 567                         waypoint_addlink(this, it);
 568                         waypoint_addlink(it, this);
 569                 }
 570                 else
 571                 {
 572                         ++relink_total;
 573                         if(!checkpvs(this.origin, it))
 574                         {
 575                                 ++relink_pvsculled;
 576                                 continue;
 577                         }
 578
 579                         SET_TRACEWALK_DESTCOORDS_2(this, it.origin, sv, sv2, sv2_height);
 580                         SET_TRACEWALK_DESTCOORDS_2(it, this.origin, ev, ev2, ev2_height);
 581
 582                         dv = ev - sv;
 583                         dv.z = 0;
 584                         if(vdist(dv, >=, 1050)) // max search distance in XY
 585                         {
 586                                 ++relink_lengthculled;
 587                                 continue;
 588                         }
 589
 590                         navigation_testtracewalk = 0;
 591
 592                         //traceline(this.origin, it.origin, false, NULL);
 593                         //if (trace_fraction == 1)
 594                         if (this.wpisbox)
 595                                 relink_walkculled += 0.5;
 596                         else
 597                         {
 598                                 if (tracewalk(this, sv, PL_MIN_CONST, PL_MAX_CONST, ev2, ev2_height, MOVE_NOMONSTERS))
 599                                         waypoint_addlink(this, it);
 600                                 else
 601                                         relink_walkculled += 0.5;
 602                         }
 603
 604                         if (it.wpisbox)
 605                                 relink_walkculled += 0.5;
 606                         else
 607                         {
 608                                 if (tracewalk(it, ev, PL_MIN_CONST, PL_MAX_CONST, sv2, sv2_height, MOVE_NOMONSTERS))
 609                                         waypoint_addlink(it, this);
 610                                 else
 611                                         relink_walkculled += 0.5;
 612                         }
 613                 }
 614         });
 615         navigation_testtracewalk = 0;
 616         this.wplinked = true;
 617 }
 618
 619 void waypoint_clearlinks(entity wp)
 620 {
 621         // clear links to other waypoints
 622         float f = 10000000;
 623         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
 624         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
 625         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
 626         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
 627
 628         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
 629         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
 630         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
 631         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
 632
 633         wp.wplinked = false;
 634 }
 635
 636 // tell a spawnfunc_waypoint to relink
 637 void waypoint_schedulerelink(entity wp)
 638 {
 639         if (wp == NULL)
 640                 return;
 641
 642         waypoint_setupmodel(wp);
 643         wp.wpisbox = vdist(wp.size, >, 0);
 644         wp.enemy = NULL;
 645         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
 646                 wp.owner = NULL;
 647         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 648                 waypoint_clearlinks(wp);
 649         // schedule an actual relink on next frame
 650         setthink(wp, waypoint_think);
 651         wp.nextthink = time;
 652         wp.effects = EF_LOWPRECISION;
 653 }
 654
 655 // spawnfunc_waypoint map entity
 656 spawnfunc(waypoint)
 657 {
 658         IL_PUSH(g_waypoints, this);
 659
 660         setorigin(this, this.origin);
 661         // schedule a relink after other waypoints have had a chance to spawn
 662         waypoint_clearlinks(this);
 663         //waypoint_schedulerelink(this);
 664 }
 665
 666 // tell all waypoints to relink
 667 // actually this is useful only to update relink_* stats
 668 void waypoint_schedulerelinkall()
 669 {
 670         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 671         IL_EACH(g_waypoints, true,
 672         {
 673                 waypoint_schedulerelink(it);
 674         });
 675         waypoint_load_links_hardwired();
 676 }
 677
 678 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
 679
 680 // Load waypoint links from file
 681 bool waypoint_load_links()
 682 {
 683         string s;
 684         float file, tokens, c = 0, found;
 685         entity wp_from = NULL, wp_to;
 686         vector wp_to_pos, wp_from_pos;
 687
 688         string gt_ext = GET_GAMETYPE_EXTENSION();
 689
 690         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
 691         file = fopen(filename, FILE_READ);
 692
 693         if (gt_ext != "" && file < 0)
 694         {
 695                 // if race waypoint file doesn't exist load the default one
 696                 filename = sprintf("maps/%s.waypoints.cache", mapname);
 697                 file = fopen(filename, FILE_READ);
 698         }
 699
 700         if (file < 0)
 701         {
 702                 LOG_TRACE("waypoint links load from ", filename, " failed");
 703                 waypoint_schedulerelinkall();
 704                 return false;
 705         }
 706
 707         bool parse_comments = true;
 708         float ver = 0;
 709
 710         while ((s = fgets(file)))
 711         {
 712                 if(parse_comments)
 713                 {
 714                         if(substring(s, 0, 2) == "//")
 715                         {
 716                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
 717                                         ver = stof(substring(s, 19, -1));
 718                                 continue;
 719                         }
 720                         else
 721                         {
 722                                 if(ver < WAYPOINT_VERSION)
 723                                 {
 724                                         LOG_TRACE("waypoint links for this map are outdated.");
 725                                         if (g_assault)
 726                                         {
 727                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
 728                                         }
 729                                         else
 730                                         {
 731                                                 LOG_TRACE("automatically updating...");
 732                                                 waypoint_schedulerelinkall();
 733                                                 fclose(file);
 734                                                 return false;
 735                                         }
 736                                 }
 737                                 parse_comments = false;
 738                         }
 739                 }
 740
 741                 tokens = tokenizebyseparator(s, "*");
 742
 743                 if (tokens!=2)
 744                 {
 745                         // bad file format
 746                         fclose(file);
 747                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
 748                         return false;
 749                 }
 750
 751                 wp_from_pos     = stov(argv(0));
 752                 wp_to_pos       = stov(argv(1));
 753
 754                 // Search "from" waypoint
 755                 if(!wp_from || wp_from.origin!=wp_from_pos)
 756                 {
 757                         wp_from = findradius(wp_from_pos, 1);
 758                         found = false;
 759                         while(wp_from)
 760                         {
 761                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
 762                                 if(wp_from.classname == "waypoint")
 763                                 {
 764                                         found = true;
 765                                         break;
 766                                 }
 767                                 wp_from = wp_from.chain;
 768                         }
 769
 770                         if(!found)
 771                         {
 772                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
 773                                 continue;
 774                         }
 775                 }
 776
 777                 // Search "to" waypoint
 778                 wp_to = findradius(wp_to_pos, 1);
 779                 found = false;
 780                 while(wp_to)
 781                 {
 782                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
 783                         if(wp_to.classname == "waypoint")
 784                         {
 785                                 found = true;
 786                                 break;
 787                         }
 788                         wp_to = wp_to.chain;
 789                 }
 790
 791                 if(!found)
 792                 {
 793                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
 794                         continue;
 795                 }
 796
 797                 ++c;
 798                 waypoint_addlink(wp_from, wp_to);
 799         }
 800
 801         fclose(file);
 802
 803         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
 804
 805         bool scheduled = false;
 806         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
 807         {
 808                 if (!it.wp00)
 809                 {
 810                         waypoint_schedulerelink(it);
 811                         scheduled = true;
 812                 }
 813         });
 814         if (scheduled)
 815                 return false;
 816
 817         botframe_cachedwaypointlinks = true;
 818         return true;
 819 }
 820
 821 void waypoint_load_or_remove_links_hardwired(bool removal_mode)
 822 {
 823         string s;
 824         float file, tokens, c = 0, found;
 825         entity wp_from = NULL, wp_to;
 826         vector wp_to_pos, wp_from_pos;
 827
 828         string gt_ext = GET_GAMETYPE_EXTENSION();
 829
 830         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
 831         file = fopen(filename, FILE_READ);
 832
 833         if (gt_ext != "" && file < 0)
 834         {
 835                 // if race waypoint file doesn't exist load the default one
 836                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
 837                 file = fopen(filename, FILE_READ);
 838         }
 839
 840         botframe_loadedforcedlinks = true;
 841
 842         if (file < 0)
 843         {
 844                 if(!removal_mode)
 845                         LOG_TRACE("waypoint links load from ", filename, " failed");
 846                 return;
 847         }
 848
 849         while ((s = fgets(file)))
 850         {
 851                 if(substring(s, 0, 2)=="//")
 852                         continue;
 853
 854                 if(substring(s, 0, 1)=="#")
 855                         continue;
 856
 857                 tokens = tokenizebyseparator(s, "*");
 858
 859                 if (tokens!=2)
 860                         continue;
 861
 862                 wp_from_pos     = stov(argv(0));
 863                 wp_to_pos       = stov(argv(1));
 864
 865                 // Search "from" waypoint
 866                 if(!wp_from || wp_from.origin!=wp_from_pos)
 867                 {
 868                         wp_from = findradius(wp_from_pos, 5);
 869                         found = false;
 870                         while(wp_from)
 871                         {
 872                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
 873                                 if(wp_from.classname == "waypoint")
 874                                 {
 875                                         found = true;
 876                                         break;
 877                                 }
 878                                 wp_from = wp_from.chain;
 879                         }
 880
 881                         if(!found)
 882                         {
 883                                 if(!removal_mode)
 884                                         LOG_INFO("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped");
 885                                 continue;
 886                         }
 887                 }
 888
 889                 // Search "to" waypoint
 890                 wp_to = findradius(wp_to_pos, 5);
 891                 found = false;
 892                 while(wp_to)
 893                 {
 894                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
 895                         if(wp_to.classname == "waypoint")
 896                         {
 897                                 found = true;
 898                                 break;
 899                         }
 900                         wp_to = wp_to.chain;
 901                 }
 902
 903                 if(!found)
 904                 {
 905                         if(!removal_mode)
 906                                 LOG_INFO("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped");
 907                         continue;
 908                 }
 909
 910                 ++c;
 911                 if(removal_mode)
 912                 {
 913                         waypoint_removelink(wp_from, wp_to);
 914                         continue;
 915                 }
 916
 917                 waypoint_addlink(wp_from, wp_to);
 918                 wp_from.wphardwired = true;
 919                 wp_to.wphardwired = true;
 920                 waypoint_setupmodel(wp_from);
 921                 waypoint_setupmodel(wp_to);
 922         }
 923
 924         fclose(file);
 925
 926         LOG_TRACE(((removal_mode) ? "unloaded " : "loaded "),
 927                 ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
 928 }
 929
 930 entity waypoint_get_link(entity w, float i)
 931 {
 932         switch(i)
 933         {
 934                 case  0:return w.wp00;
 935                 case  1:return w.wp01;
 936                 case  2:return w.wp02;
 937                 case  3:return w.wp03;
 938                 case  4:return w.wp04;
 939                 case  5:return w.wp05;
 940                 case  6:return w.wp06;
 941                 case  7:return w.wp07;
 942                 case  8:return w.wp08;
 943                 case  9:return w.wp09;
 944                 case 10:return w.wp10;
 945                 case 11:return w.wp11;
 946                 case 12:return w.wp12;
 947                 case 13:return w.wp13;
 948                 case 14:return w.wp14;
 949                 case 15:return w.wp15;
 950                 case 16:return w.wp16;
 951                 case 17:return w.wp17;
 952                 case 18:return w.wp18;
 953                 case 19:return w.wp19;
 954                 case 20:return w.wp20;
 955                 case 21:return w.wp21;
 956                 case 22:return w.wp22;
 957                 case 23:return w.wp23;
 958                 case 24:return w.wp24;
 959                 case 25:return w.wp25;
 960                 case 26:return w.wp26;
 961                 case 27:return w.wp27;
 962                 case 28:return w.wp28;
 963                 case 29:return w.wp29;
 964                 case 30:return w.wp30;
 965                 case 31:return w.wp31;
 966                 default:return NULL;
 967         }
 968 }
 969
 970 // Save all waypoint links to a file
 971 void waypoint_save_links()
 972 {
 973         // temporarily remove hardwired links so they don't get saved among normal links
 974         waypoint_remove_links_hardwired();
 975
 976         string gt_ext = GET_GAMETYPE_EXTENSION();
 977
 978         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
 979         int file = fopen(filename, FILE_WRITE);
 980         if (file < 0)
 981         {
 982                 LOG_INFOF("waypoint link save to %s failed", filename);
 983                 return;
 984         }
 985
 986         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
 987
 988         int c = 0;
 989         IL_EACH(g_waypoints, true,
 990         {
 991                 for(int j = 0; j < 32; ++j)
 992                 {
 993                         entity link = waypoint_get_link(it, j);
 994                         if(link)
 995                         {
 996                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
 997                                 fputs(file, s);
 998                                 ++c;
 999                         }
1000                 }
1001         });
1002         fclose(file);
1003
1004         botframe_cachedwaypointlinks = true;
1005
1006         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1007
1008         waypoint_load_links_hardwired();
1009 }
1010
1011 // save waypoints to gamedir/data/maps/mapname.waypoints
1012 void waypoint_saveall()
1013 {
1014         string gt_ext = GET_GAMETYPE_EXTENSION();
1015
1016         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1017         int file = fopen(filename, FILE_WRITE);
1018         if (file < 0)
1019         {
1020                 waypoint_save_links(); // save anyway?
1021                 botframe_loadedforcedlinks = false;
1022
1023                 LOG_INFOF("waypoint links: save to %s failed", filename);
1024                 return;
1025         }
1026
1027         // add 3 comments to not break compatibility with older Xonotic versions
1028         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1029         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1030         fputs(file, strcat("//", "\n"));
1031         fputs(file, strcat("//", "\n"));
1032
1033         int c = 0;
1034         IL_EACH(g_waypoints, true,
1035         {
1036                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1037                         continue;
1038
1039                 string s;
1040                 s = strcat(vtos(it.origin + it.mins), "\n");
1041                 s = strcat(s, vtos(it.origin + it.maxs));
1042                 s = strcat(s, "\n");
1043                 s = strcat(s, ftos(it.wpflags));
1044                 s = strcat(s, "\n");
1045                 fputs(file, s);
1046                 c++;
1047         });
1048         fclose(file);
1049         waypoint_save_links();
1050         botframe_loadedforcedlinks = false;
1051
1052         LOG_INFOF("saved %d waypoints to %s", c, filename);
1053 }
1054
1055 // load waypoints from file
1056 float waypoint_loadall()
1057 {
1058         string s;
1059         float file, cwp, cwb, fl;
1060         vector m1, m2;
1061         cwp = 0;
1062         cwb = 0;
1063
1064         string gt_ext = GET_GAMETYPE_EXTENSION();
1065
1066         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1067         file = fopen(filename, FILE_READ);
1068
1069         if (gt_ext != "" && file < 0)
1070         {
1071                 // if race waypoint file doesn't exist load the default one
1072                 filename = sprintf("maps/%s.waypoints", mapname);
1073                 file = fopen(filename, FILE_READ);
1074         }
1075
1076         if (file < 0)
1077         {
1078                 LOG_TRACE("waypoint load from ", filename, " failed");
1079                 return 0;
1080         }
1081
1082         bool parse_comments = true;
1083         float ver = 0;
1084
1085         while ((s = fgets(file)))
1086         {
1087                 if(parse_comments)
1088                 {
1089                         if(substring(s, 0, 2) == "//")
1090                         {
1091                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1092                                         ver = stof(substring(s, 19, -1));
1093                                 continue;
1094                         }
1095                         else
1096                         {
1097                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1098                                 {
1099                                         LOG_TRACE("waypoints for this map are outdated");
1100                                         LOG_TRACE("please update them in the editor");
1101                                 }
1102                                 parse_comments = false;
1103                         }
1104                 }
1105                 m1 = stov(s);
1106                 s = fgets(file);
1107                 if (!s)
1108                         break;
1109                 m2 = stov(s);
1110                 s = fgets(file);
1111                 if (!s)
1112                         break;
1113                 fl = stof(s);
1114                 waypoint_spawn(m1, m2, fl);
1115                 if (m1 == m2)
1116                         cwp = cwp + 1;
1117                 else
1118                         cwb = cwb + 1;
1119         }
1120         fclose(file);
1121         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1122
1123         return cwp + cwb;
1124 }
1125
1126 #define waypoint_fixorigin(position, tracetest_ent) \
1127         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1128
1129 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1130 {
1131         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, position + down_dir * 3000, MOVE_NOMONSTERS, tracetest_ent);
1132         if(trace_startsolid)
1133                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, position + down_dir * 3000, MOVE_NOMONSTERS, tracetest_ent);
1134         if(trace_startsolid)
1135                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, position + down_dir * 3000, MOVE_NOMONSTERS, tracetest_ent);
1136         if(trace_fraction < 1)
1137                 position = trace_endpos;
1138         return position;
1139 }
1140
1141 void waypoint_spawnforitem_force(entity e, vector org)
1142 {
1143         // Fix the waypoint altitude if necessary
1144         org = waypoint_fixorigin(org, NULL);
1145
1146         // don't spawn an item spawnfunc_waypoint if it already exists
1147         IL_EACH(g_waypoints, true,
1148         {
1149                 if(it.wpisbox)
1150                 {
1151                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1152                         {
1153                                 e.nearestwaypoint = it;
1154                                 return;
1155                         }
1156                 }
1157                 else
1158                 {
1159                         if(vdist(it.origin - org, <, 16))
1160                         {
1161                                 e.nearestwaypoint = it;
1162                                 return;
1163                         }
1164                 }
1165         });
1166
1167         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1168 }
1169
1170 void waypoint_spawnforitem(entity e)
1171 {
1172         if(!bot_waypoints_for_items)
1173                 return;
1174
1175         waypoint_spawnforitem_force(e, e.origin);
1176 }
1177
1178 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1179 {
1180         entity w;
1181         entity dw;
1182         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag | WAYPOINTFLAG_NORELINK);
1183         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1184         // one way link to the destination
1185         w.wp00 = dw;
1186         w.wp00mincost = timetaken; // this is just for jump pads
1187         // the teleporter's nearest spawnfunc_waypoint is this one
1188         // (teleporters are not goals, so this is probably useless)
1189         e.nearestwaypoint = w;
1190         e.nearestwaypointtimeout = -1;
1191 }
1192
1193 void waypoint_spawnforteleporter_wz(entity e, vector org, vector destination, float timetaken, vector down_dir, entity tracetest_ent)
1194 {
1195         // warpzones with oblique warp plane rely on down_dir to snap waypoints
1196         // to the ground without leaving the warp plane
1197         // warpzones with horizontal warp plane (down_dir.x == -1) generate
1198         // destination waypoint snapped to the ground (leaving warpzone), source
1199         // waypoint in the center of the warp plane
1200         if(down_dir.x != -1)
1201                 org = waypoint_fixorigin_down_dir(org, tracetest_ent, down_dir);
1202         if(down_dir.x == -1)
1203                 down_dir = '0 0 -1';
1204         destination = waypoint_fixorigin_down_dir(destination, tracetest_ent, down_dir);
1205         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT, org, org, destination, destination, timetaken);
1206 }
1207
1208 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
1209 {
1210         destination = waypoint_fixorigin(destination, tracetest_ent);
1211         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);
1212 }
1213
1214 entity waypoint_spawnpersonal(entity this, vector position)
1215 {
1216         entity w;
1217
1218         // drop the waypoint to a proper location:
1219         //   first move it up by a player height
1220         //   then move it down to hit the floor with player bbox size
1221         position = waypoint_fixorigin(position, this);
1222
1223         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1224         w.nearestwaypoint = NULL;
1225         w.nearestwaypointtimeout = 0;
1226         w.owner = this;
1227
1228         waypoint_schedulerelink(w);
1229
1230         return w;
1231 }
1232
1233 void waypoint_showlink(entity wp1, entity wp2, int display_type)
1234 {
1235         if (!(wp1 && wp2))
1236                 return;
1237
1238         if (wp1.wphardwired && wp2.wphardwired)
1239                 te_beam(NULL, wp1.origin, wp2.origin);
1240         else if (display_type == 1)
1241                 te_lightning2(NULL, wp1.origin, wp2.origin);
1242 }
1243
1244 void waypoint_showlinks_to(entity wp, int display_type)
1245 {
1246         IL_EACH(g_waypoints, it != wp,
1247         {
1248                 if (waypoint_islinked(it, wp))
1249                         waypoint_showlink(it, wp, display_type);
1250         });
1251 }
1252
1253 void waypoint_showlinks_from(entity wp, int display_type)
1254 {
1255         waypoint_showlink(wp.wp00, wp, display_type); waypoint_showlink(wp.wp16, wp, display_type);
1256         waypoint_showlink(wp.wp01, wp, display_type); waypoint_showlink(wp.wp17, wp, display_type);
1257         waypoint_showlink(wp.wp02, wp, display_type); waypoint_showlink(wp.wp18, wp, display_type);
1258         waypoint_showlink(wp.wp03, wp, display_type); waypoint_showlink(wp.wp19, wp, display_type);
1259         waypoint_showlink(wp.wp04, wp, display_type); waypoint_showlink(wp.wp20, wp, display_type);
1260         waypoint_showlink(wp.wp05, wp, display_type); waypoint_showlink(wp.wp21, wp, display_type);
1261         waypoint_showlink(wp.wp06, wp, display_type); waypoint_showlink(wp.wp22, wp, display_type);
1262         waypoint_showlink(wp.wp07, wp, display_type); waypoint_showlink(wp.wp23, wp, display_type);
1263         waypoint_showlink(wp.wp08, wp, display_type); waypoint_showlink(wp.wp24, wp, display_type);
1264         waypoint_showlink(wp.wp09, wp, display_type); waypoint_showlink(wp.wp25, wp, display_type);
1265         waypoint_showlink(wp.wp10, wp, display_type); waypoint_showlink(wp.wp26, wp, display_type);
1266         waypoint_showlink(wp.wp11, wp, display_type); waypoint_showlink(wp.wp27, wp, display_type);
1267         waypoint_showlink(wp.wp12, wp, display_type); waypoint_showlink(wp.wp28, wp, display_type);
1268         waypoint_showlink(wp.wp13, wp, display_type); waypoint_showlink(wp.wp29, wp, display_type);
1269         waypoint_showlink(wp.wp14, wp, display_type); waypoint_showlink(wp.wp30, wp, display_type);
1270         waypoint_showlink(wp.wp15, wp, display_type); waypoint_showlink(wp.wp31, wp, display_type);
1271 }
1272
1273 void botframe_showwaypointlinks()
1274 {
1275         if (time < botframe_waypointeditorlightningtime)
1276                 return;
1277         botframe_waypointeditorlightningtime = time + 0.5;
1278         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
1279         {
1280                 int display_type = 0;
1281                 entity head = navigation_findnearestwaypoint(it, false);
1282                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE)
1283                         display_type = 1; // default
1284                 else if(head && (head.wphardwired))
1285                         display_type = 2; // only hardwired
1286
1287                 if (display_type)
1288                 {
1289                         //navigation_testtracewalk = true;
1290                         //print("currently selected WP is ", etos(head), "\n");
1291                         //navigation_testtracewalk = false;
1292                         if (head)
1293                         {
1294                                 te_lightning2(NULL, head.origin, it.origin);
1295                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
1296                                         waypoint_showlinks_to(head, display_type);
1297                                 else
1298                                         waypoint_showlinks_from(head, display_type);
1299                         }
1300                 }
1301         });
1302 }
1303
1304 float botframe_autowaypoints_fixdown(vector v)
1305 {
1306         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
1307         if(trace_fraction >= 1)
1308                 return 0;
1309         return 1;
1310 }
1311
1312 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
1313 {
1314         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
1315         {
1316                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
1317                 return 0;
1318         });
1319
1320         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
1321         return 1;
1322 }
1323
1324 // return value:
1325 //    1 = WP created
1326 //    0 = no action needed
1327 //   -1 = temp fail, try from world too
1328 //   -2 = permanent fail, do not retry
1329 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
1330 {
1331         // make it possible to go from p to wp, if we can
1332         // if wp is NULL, nearest is chosen
1333
1334         entity w;
1335         vector porg;
1336         float t, tmin, tmax;
1337         vector o;
1338         vector save;
1339
1340         if(!botframe_autowaypoints_fixdown(p.origin))
1341                 return -2;
1342         porg = trace_endpos;
1343
1344         if(wp)
1345         {
1346                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
1347
1348                 // if wp -> porg, then OK
1349                 float maxdist;
1350                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
1351                 {
1352                         // we may find a better one
1353                         maxdist = vlen(wp.origin - porg);
1354                 }
1355                 else
1356                 {
1357                         // accept any "good"
1358                         maxdist = 2100;
1359                 }
1360
1361                 float bestdist = maxdist;
1362                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WAYPOINTFLAG_NORELINK),
1363                 {
1364                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
1365                         if(d < bestdist)
1366                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
1367                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
1368                         {
1369                                 bestdist = d;
1370                                 p.(fld) = it;
1371                         }
1372                 });
1373                 if(bestdist < maxdist)
1374                 {
1375                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
1376                         return 0;
1377                 }
1378
1379                 if(bestdist < 2100)
1380                 {
1381                         // we know maxdist < 2100
1382                         // so wp -> porg is still valid
1383                         // all is good
1384                         p.(fld) = wp;
1385                         return 0;
1386                 }
1387
1388                 // otherwise, no existing WP can fix our issues
1389         }
1390         else
1391         {
1392                 save = p.origin;
1393                 setorigin(p, porg);
1394                 w = navigation_findnearestwaypoint(p, walkfromwp);
1395                 setorigin(p, save);
1396                 if(w)
1397                 {
1398                         p.(fld) = w;
1399                         return 0;
1400                 }
1401         }
1402
1403         tmin = 0;
1404         tmax = 1;
1405         for (;;)
1406         {
1407                 if(tmax - tmin < 0.001)
1408                 {
1409                         // did not get a good candidate
1410                         return -1;
1411                 }
1412
1413                 t = (tmin + tmax) * 0.5;
1414                 o = antilag_takebackorigin(p, CS(p), time - t);
1415                 if(!botframe_autowaypoints_fixdown(o))
1416                         return -2;
1417                 o = trace_endpos;
1418
1419                 if(wp)
1420                 {
1421                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
1422                         {
1423                                 // we cannot walk from wp.origin to o
1424                                 // get closer to tmax
1425                                 tmin = t;
1426                                 continue;
1427                         }
1428                 }
1429                 else
1430                 {
1431                         save = p.origin;
1432                         setorigin(p, o);
1433                         w = navigation_findnearestwaypoint(p, walkfromwp);
1434                         setorigin(p, save);
1435                         if(!w)
1436                         {
1437                                 // we cannot walk from any WP to o
1438                                 // get closer to tmax
1439                                 tmin = t;
1440                                 continue;
1441                         }
1442                 }
1443
1444                 // if we get here, o is valid regarding waypoints
1445                 // check if o is connected right to the player
1446                 // we break if it succeeds, as that means o is a good waypoint location
1447                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
1448                         break;
1449
1450                 // o is no good, we need to get closer to the player
1451                 tmax = t;
1452         }
1453
1454         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
1455         botframe_autowaypoints_createwp(o, p, fld, 0);
1456         return 1;
1457 }
1458
1459 // automatically create missing waypoints
1460 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
1461 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
1462 {
1463         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
1464         if(r != -1)
1465                 return;
1466         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
1467         if(r != -1)
1468                 return;
1469
1470         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
1471         if(!botframe_autowaypoints_fixdown(p.origin))
1472                 return; // shouldn't happen, caught above
1473         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
1474 }
1475
1476 void botframe_deleteuselesswaypoints()
1477 {
1478         IL_EACH(g_items, it.bot_pickup,
1479         {
1480                 // NOTE: this protects waypoints if they're the ONLY nearest
1481                 // waypoint. That's the intention.
1482                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
1483                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
1484         });
1485         IL_EACH(g_waypoints, true,
1486         {
1487                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
1488                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
1489                 // WP is useful if:
1490                 if (it.wpflags & WAYPOINTFLAG_ITEM)
1491                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1492                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
1493                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1494                 if (it.wpflags & WAYPOINTFLAG_LADDER)
1495                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1496                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
1497                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1498                 // b) WP is closest WP for an item/spawnpoint/other entity
1499                 //    This has been done above by protecting these WPs.
1500         });
1501         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
1502         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
1503         {
1504                 for (int m = 0; m < 32; ++m)
1505                 {
1506                         entity w = waypoint_get_link(it, m);
1507                         if (!w)
1508                                 break;
1509                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
1510                                 continue;
1511                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
1512                                 continue;
1513                         for (int j = 0; j < 32; ++j)
1514                         {
1515                                 entity w2 = waypoint_get_link(w, j);
1516                                 if (!w2)
1517                                         break;
1518                                 if (it == w2)
1519                                         continue;
1520                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
1521                                         continue;
1522                                 // If we got here, it != w2 exist with it -> w
1523                                 // and w -> w2. That means the waypoint is not
1524                                 // a dead end.
1525                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
1526                                 for (int k = 0; k < 32; ++k)
1527                                 {
1528                                         if (waypoint_get_link(it, k) == w2)
1529                                                 continue;
1530                                         // IF WE GET HERE, w is proven useful
1531                                         // to get from it to w2!
1532                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1533                                         goto next;
1534                                 }
1535                         }
1536 LABEL(next)
1537                 }
1538         });
1539         // d) The waypoint is a dead end. Dead end waypoints must be kept as
1540         //     they are needed to complete routes while autowaypointing.
1541
1542         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
1543         {
1544                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
1545                 te_explosion(it.origin);
1546                 waypoint_remove(it);
1547                 break;
1548         });
1549
1550         IL_EACH(g_waypoints, true,
1551         {
1552                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
1553         });
1554 }
1555
1556 void botframe_autowaypoints()
1557 {
1558         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
1559                 // going back is broken, so only fix waypoints to walk TO the player
1560                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
1561                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
1562                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
1563         });
1564
1565         if (autocvar_g_waypointeditor_auto >= 2) {
1566                 botframe_deleteuselesswaypoints();
1567         }
1568 }
1569