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[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / bot / default / waypoints.qc
1 #include "waypoints.qh"
2
3 #include <server/defs.qh>
4 #include <server/miscfunctions.qh>
5 #include "cvars.qh"
6
7 #include "bot.qh"
8 #include "navigation.qh"
9
10 #include <common/state.qh>
11
12 #include "../../antilag.qh"
13
14 #include <common/constants.qh>
15 #include <common/debug.qh>
16 #include <common/mapobjects/trigger/jumppads.qh>
17 #include <common/net_linked.qh>
18 #include <common/physics/player.qh>
19
20 #include <lib/warpzone/common.qh>
21 #include <lib/warpzone/util_server.qh>
22
23 .entity spawnpointmodel;
24 void waypoint_unreachable(entity pl)
25 {
26         IL_EACH(g_waypoints, true,
27         {
28                 it.colormod = '0.5 0.5 0.5';
29                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
30         });
31
32         entity e2 = navigation_findnearestwaypoint(pl, false);
33         if(!e2)
34         {
35                 LOG_INFO("Can't find any waypoint nearby\n");
36                 return;
37         }
38
39         navigation_markroutes(pl, e2);
40
41         int j = 0;
42         int m = 0;
43         IL_EACH(g_waypoints, it.wpcost >= 10000000,
44         {
45                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
46                 it.colormod_z = 8;
47                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
48                 j++;
49                 m++;
50         });
51         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
52         navigation_markroutes_inverted(e2);
53
54         j = 0;
55         IL_EACH(g_waypoints, it.wpcost >= 10000000,
56         {
57                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
58                 it.colormod_x = 8;
59                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
60                         m++;
61                 it.effects |= EF_NODEPTHTEST | EF_RED;
62                 j++;
63         });
64         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
65         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
66
67         j = 0;
68         IL_EACH(g_spawnpoints, true,
69         {
70                 if (navigation_findnearestwaypoint(it, false))
71                 {
72                         if(it.spawnpointmodel)
73                         {
74                                 delete(it.spawnpointmodel);
75                                 it.spawnpointmodel = NULL;
76                         }
77                 }
78                 else
79                 {
80                         if(!it.spawnpointmodel)
81                         {
82                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
83                                 entity e = new(spawnpointmodel);
84                                 vector org = trace_endpos + eZ;
85                                 setorigin(e, org);
86                                 e.solid = SOLID_TRIGGER;
87                                 it.spawnpointmodel = e;
88                         }
89                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
90                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
91                         _setmodel(it.spawnpointmodel, pl.model);
92                         it.spawnpointmodel.frame = pl.frame;
93                         it.spawnpointmodel.skin = pl.skin;
94                         it.spawnpointmodel.colormap = pl.colormap;
95                         it.spawnpointmodel.colormod = pl.colormod;
96                         it.spawnpointmodel.glowmod = pl.glowmod;
97                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
98                         j++;
99                 }
100         });
101         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
102
103         j = 0;
104         IL_EACH(g_items, true,
105         {
106                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
107                 it.colormod = '0.5 0.5 0.5';
108         });
109         IL_EACH(g_items, true,
110         {
111                 if (navigation_findnearestwaypoint(it, false))
112                         continue;
113                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
114                 it.effects |= EF_NODEPTHTEST | EF_RED;
115                 it.colormod_x = 8;
116                 j++;
117         });
118         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
119
120         j = 0;
121         IL_EACH(g_items, true,
122         {
123                 if (navigation_findnearestwaypoint(it, true))
124                         continue;
125                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
126                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
127                 it.colormod_z = 8;
128                 j++;
129         });
130         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
131 }
132
133 void waypoint_getSymmetricalAxis_cmd(entity caller, bool save, int arg_idx)
134 {
135         vector v1 = stov(argv(arg_idx++));
136         vector v2 = stov(argv(arg_idx++));
137         vector mid = (v1 + v2) / 2;
138
139         float diffy = (v2.y - v1.y);
140         float diffx = (v2.x - v1.x);
141         if (v1.y == v2.y)
142                 diffy = 0.000001;
143         if (v1.x == v2.x)
144                 diffx = 0.000001;
145         float m = - diffx / diffy;
146         float q = - m * mid.x + mid.y;
147         if (fabs(m) <= 0.000001) m = 0;
148         if (fabs(q) <= 0.000001) q = 0;
149
150         string axis_str =  strcat(ftos(m), " ", ftos(q));
151         if (save)
152                 cvar_set("g_waypointeditor_symmetrical_axis", axis_str);
153         axis_str = strcat("\"", axis_str, "\"");
154         sprint(caller, strcat("Axis of symmetry based on input points: ", axis_str, "\n"));
155         if (save)
156                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_axis"));
157         if (save)
158         {
159                 cvar_set("g_waypointeditor_symmetrical", "-2");
160                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
161                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
162         }
163 }
164
165 void waypoint_getSymmetricalOrigin_cmd(entity caller, bool save, int arg_idx)
166 {
167         vector org = '0 0 0';
168         int ctf_flags = 0;
169         for (int i = 0; i < 6; i++)
170         {
171                 if (argv(arg_idx + i) != "")
172                         ctf_flags++;
173         }
174         if (ctf_flags < 2)
175         {
176                 ctf_flags = 0;
177                 org = vec2(havocbot_middlepoint);
178                 if (argv(arg_idx) != "")
179                         sprint(caller, "WARNING: Ignoring single input point\n");
180                 if (havocbot_middlepoint_radius == 0)
181                 {
182                         sprint(caller, "Origin of symmetry can't be automatically determined\n");
183                         return;
184                 }
185         }
186         else
187         {
188                 vector v1, v2, v3, v4, v5, v6;
189                 for (int i = 1; i <= ctf_flags; i++)
190                 {
191                         if (i == 1) { v1 = stov(argv(arg_idx++)); org = v1 / ctf_flags; }
192                         else if (i == 2) { v2 = stov(argv(arg_idx++)); org += v2 / ctf_flags; }
193                         else if (i == 3) { v3 = stov(argv(arg_idx++)); org += v3 / ctf_flags; }
194                         else if (i == 4) { v4 = stov(argv(arg_idx++)); org += v4 / ctf_flags; }
195                         else if (i == 5) { v5 = stov(argv(arg_idx++)); org += v5 / ctf_flags; }
196                         else if (i == 6) { v6 = stov(argv(arg_idx++)); org += v6 / ctf_flags; }
197                 }
198         }
199
200         if (fabs(org.x) <= 0.000001) org.x = 0;
201         if (fabs(org.y) <= 0.000001) org.y = 0;
202         string org_str = strcat(ftos(org.x), " ", ftos(org.y));
203         if (save)
204         {
205                 cvar_set("g_waypointeditor_symmetrical_origin", org_str);
206                 cvar_set("g_waypointeditor_symmetrical_order", ftos(ctf_flags));
207         }
208         org_str = strcat("\"", org_str, "\"");
209
210         if (ctf_flags < 2)
211                 sprint(caller, strcat("Origin of symmetry based on flag positions: ", org_str, "\n"));
212         else
213                 sprint(caller, strcat("Origin of symmetry based on input points: ", org_str, "\n"));
214         if (save)
215                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_origin"));
216
217         if (ctf_flags < 2)
218                 sprint(caller, "Order of symmetry: 0 (autodetected)\n");
219         else
220                 sprint(caller, strcat("Order of symmetry: ", ftos(ctf_flags), "\n"));
221         if (save)
222                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_order"));
223
224         if (save)
225         {
226                 if (ctf_flags < 2)
227                         cvar_set("g_waypointeditor_symmetrical", "0");
228                 else
229                         cvar_set("g_waypointeditor_symmetrical", "-1");
230                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
231                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
232         }
233 }
234
235 vector waypoint_getSymmetricalPoint(vector org, int ctf_flags)
236 {
237         vector new_org = org;
238         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
239         {
240                 vector map_center = havocbot_middlepoint;
241                 if (autocvar_g_waypointeditor_symmetrical == -1)
242                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
243
244                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
245         }
246         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
247         {
248                 float m = havocbot_symmetry_axis_m;
249                 float q = havocbot_symmetry_axis_q;
250                 if (autocvar_g_waypointeditor_symmetrical == -2)
251                 {
252                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
253                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
254                 }
255
256                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
257                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
258         }
259         new_org.z = org.z;
260         return new_org;
261 }
262
263 void crosshair_trace_waypoints(entity pl);
264 void waypoint_lock(entity pl)
265 {
266         crosshair_trace_waypoints(pl);
267         pl.wp_locked = trace_ent;
268 }
269
270 bool waypoint_has_hardwiredlinks(entity wp)
271 {
272         if (!wp)
273                 return false;
274         return (wp.wphw00 != NULL);
275 }
276
277 bool waypoint_is_hardwiredlink(entity wp_from, entity wp_to)
278 {
279         if (!(wp_from && wp_to))
280                 return false;
281
282         if (!wp_from.wphw00) return false; else if (wp_from.wphw00 == wp_to) return true;
283         if (!wp_from.wphw01) return false; else if (wp_from.wphw01 == wp_to) return true;
284         if (!wp_from.wphw02) return false; else if (wp_from.wphw02 == wp_to) return true;
285         if (!wp_from.wphw03) return false; else if (wp_from.wphw03 == wp_to) return true;
286         if (!wp_from.wphw04) return false; else if (wp_from.wphw04 == wp_to) return true;
287         if (!wp_from.wphw05) return false; else if (wp_from.wphw05 == wp_to) return true;
288         if (!wp_from.wphw06) return false; else if (wp_from.wphw06 == wp_to) return true;
289         if (!wp_from.wphw07) return false; else if (wp_from.wphw07 == wp_to) return true;
290
291         return false;
292 }
293
294 void waypoint_setupmodel(entity wp);
295 void waypoint_mark_hardwiredlink(entity wp_from, entity wp_to)
296 {
297         if (!(wp_from && wp_to))
298                 return;
299
300         if (!wp_from.wphw00 || wp_from.wphw00 == wp_to) { wp_from.wphw00 = wp_to; waypoint_setupmodel(wp_from); return; }
301         if (!wp_from.wphw01 || wp_from.wphw01 == wp_to) { wp_from.wphw01 = wp_to; return; }
302         if (!wp_from.wphw02 || wp_from.wphw02 == wp_to) { wp_from.wphw02 = wp_to; return; }
303         if (!wp_from.wphw03 || wp_from.wphw03 == wp_to) { wp_from.wphw03 = wp_to; return; }
304         if (!wp_from.wphw04 || wp_from.wphw04 == wp_to) { wp_from.wphw04 = wp_to; return; }
305         if (!wp_from.wphw05 || wp_from.wphw05 == wp_to) { wp_from.wphw05 = wp_to; return; }
306         if (!wp_from.wphw06 || wp_from.wphw06 == wp_to) { wp_from.wphw06 = wp_to; return; }
307         if (!wp_from.wphw07 || wp_from.wphw07 == wp_to) { wp_from.wphw07 = wp_to; return; }
308
309         return;
310 }
311
312 void waypoint_unmark_hardwiredlink(entity wp_from, entity wp_to)
313 {
314         if (!(wp_from && wp_to))
315                 return;
316
317         int removed = -1;
318         if (removed < 0 && wp_from.wphw00 == wp_to) removed = 0;
319         if (removed < 0 && wp_from.wphw01 == wp_to) removed = 1;
320         if (removed < 0 && wp_from.wphw02 == wp_to) removed = 2;
321         if (removed < 0 && wp_from.wphw03 == wp_to) removed = 3;
322         if (removed < 0 && wp_from.wphw04 == wp_to) removed = 4;
323         if (removed < 0 && wp_from.wphw05 == wp_to) removed = 5;
324         if (removed < 0 && wp_from.wphw06 == wp_to) removed = 6;
325         if (removed < 0 && wp_from.wphw07 == wp_to) removed = 7;
326
327         if (removed >= 0)
328         {
329                 if (removed <= 0) wp_from.wphw00 = wp_from.wphw01;
330                 if (removed <= 1) wp_from.wphw01 = wp_from.wphw02;
331                 if (removed <= 2) wp_from.wphw02 = wp_from.wphw03;
332                 if (removed <= 3) wp_from.wphw03 = wp_from.wphw04;
333                 if (removed <= 4) wp_from.wphw04 = wp_from.wphw05;
334                 if (removed <= 5) wp_from.wphw05 = wp_from.wphw06;
335                 if (removed <= 6) wp_from.wphw06 = wp_from.wphw07;
336                 if (removed <= 7) wp_from.wphw07 = NULL;
337                 if (!wp_from.wphw00)
338                         waypoint_setupmodel(wp_from);
339         }
340
341         return;
342 }
343
344 void waypoint_setupmodel(entity wp)
345 {
346         if (autocvar_g_waypointeditor)
347         {
348                 // TODO: add some sort of visible box in edit mode for box waypoints
349                 vector m1 = wp.mins;
350                 vector m2 = wp.maxs;
351                 setmodel(wp, MDL_WAYPOINT);
352                 setsize(wp, m1, m2);
353                 wp.effects = EF_LOWPRECISION;
354                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
355                         wp.colormod = '1 0 0'; // red
356                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
357                         wp.colormod = '1 1 0'; // yellow
358                 else if (wp.wpflags & WAYPOINTFLAG_SUPPORT)
359                         wp.colormod = '0 1 0'; // green
360                 else if (wp.wpflags & WAYPOINTFLAG_CUSTOM_JP)
361                         wp.colormod = '1 0.5 0'; // orange
362                 else if (wp.wpflags & WAYPOINTFLAG_TELEPORT)
363                         wp.colormod = '1 0.5 0'; // orange
364                 else if (wp.wpflags & WAYPOINTFLAG_LADDER)
365                         wp.colormod = '1 0.5 0'; // orange
366                 else if (wp.wpflags & WAYPOINTFLAG_JUMP)
367                         wp.colormod = '1 0.5 0'; // orange
368                 else if (wp.wpflags & WAYPOINTFLAG_CROUCH)
369                         wp.colormod = '0 1 1'; // cyan
370                 else if (waypoint_has_hardwiredlinks(wp))
371                         wp.colormod = '0.5 0 1'; // purple
372                 else
373                         wp.colormod = '1 1 1';
374         }
375         else
376                 wp.model = "";
377 }
378
379 string waypoint_get_type_name(entity wp)
380 {
381         if (wp.wpflags & WAYPOINTFLAG_ITEM) return "^1Item waypoint";
382         else if (wp.wpflags & WAYPOINTFLAG_CROUCH) return "^5Crouch waypoint";
383         else if (wp.wpflags & WAYPOINTFLAG_JUMP) return "^xf80Jump waypoint";
384         else if (wp.wpflags & WAYPOINTFLAG_SUPPORT) return "^2Support waypoint";
385         else if (waypoint_has_hardwiredlinks(wp)) return "^x80fHardwired waypoint";
386         else if (wp.wpflags & WAYPOINTFLAG_LADDER) return "^3Ladder waypoint";
387         else if (wp.wpflags & WAYPOINTFLAG_TELEPORT)
388         {
389                 if (!wp.wpisbox) return "^3Warpzone waypoint";
390                 else if (wp.wpflags & WAYPOINTFLAG_CUSTOM_JP) return "^3Custom jumppad waypoint";
391                 else
392                 {
393                         IL_EACH(g_jumppads, boxesoverlap(wp.absmin, wp.absmax, it.absmin, it.absmax),
394                                 { return "^3Jumppad waypoint"; });
395                         return "^3Teleport waypoint";
396                 }
397         }
398
399         return "^7Waypoint";
400 }
401
402 entity waypoint_get(vector m1, vector m2)
403 {
404         if (m1 == m2)
405         {
406                 m1 -= '8 8 8';
407                 m2 += '8 8 8';
408         }
409         IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax), { return it; });
410
411         return NULL;
412 }
413
414 .float createdtime;
415 entity waypoint_spawn(vector m1, vector m2, float f)
416 {
417         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
418         {
419                 entity wp_found = waypoint_get(m1, m2);
420                 if (wp_found)
421                         return wp_found;
422         }
423         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
424         // otherwise links loaded from file would be applied only to the first destination
425         // waypoint since link format doesn't specify waypoint entities but just positions
426         if((f & WAYPOINTFLAG_GENERATED) && !(f & (WPFLAGMASK_NORELINK | WAYPOINTFLAG_PERSONAL)) && m1 == m2)
427         {
428                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
429                 {
430                         return it;
431                 });
432         }
433
434         entity w = new(waypoint);
435         IL_PUSH(g_waypoints, w);
436         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
437         w.wpflags = f;
438         w.solid = SOLID_TRIGGER;
439         w.createdtime = time;
440         setorigin(w, (m1 + m2) * 0.5);
441         setsize(w, m1 - w.origin, m2 - w.origin);
442         if (w.size)
443                 w.wpisbox = true;
444
445         if(!w.wpisbox)
446         {
447                 if (f & WAYPOINTFLAG_CROUCH)
448                         setsize(w, PL_CROUCH_MIN_CONST - '1 1 0', PL_CROUCH_MAX_CONST + '1 1 0');
449                 else
450                         setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
451                 if(!move_out_of_solid(w))
452                 {
453                         if(!(f & WAYPOINTFLAG_GENERATED))
454                         {
455                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
456                                 delete(w);
457                                 return NULL;
458                         }
459                         else
460                         {
461                                 if(autocvar_developer)
462                                 {
463                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
464                                         backtrace("Waypoint stuck");
465                                 }
466                         }
467                 }
468                 setsize(w, '0 0 0', '0 0 0');
469         }
470
471         waypoint_clearlinks(w);
472         //waypoint_schedulerelink(w);
473
474         waypoint_setupmodel(w);
475
476         return w;
477 }
478
479 float trigger_push_get_push_time(entity this, vector endpos);
480 void waypoint_addlink_for_custom_jumppad(entity wp_from, entity wp_to)
481 {
482         entity jp = NULL;
483         IL_EACH(g_jumppads, boxesoverlap(wp_from.absmin, wp_from.absmax, it.absmin, it.absmax),
484         {
485                 jp = it;
486                 break;
487         });
488         if (!jp)
489                 return;
490
491         float cost = trigger_push_get_push_time(jp, wp_to.origin);
492         wp_from.wp00 = wp_to;
493         wp_from.wp00mincost = cost;
494         jp.nearestwaypoint = wp_from;
495         jp.nearestwaypointtimeout = -1;
496 }
497
498 bool start_wp_is_spawned;
499 vector start_wp_origin;
500 bool start_wp_is_hardwired;
501 bool start_wp_is_support;
502
503 void waypoint_clear_start_wp_globals(entity pl, bool warn)
504 {
505         start_wp_is_spawned = false;
506         start_wp_origin = '0 0 0';
507         pl.wp_locked = NULL;
508         start_wp_is_hardwired = false;
509         start_wp_is_support = false;
510         if (warn)
511                 LOG_INFO("^xf80Start waypoint has been cleared.\n");
512 }
513
514 void waypoint_start_hardwiredlink(entity pl, bool at_crosshair)
515 {
516         entity wp = pl.nearestwaypoint;
517         if (at_crosshair)
518         {
519                 crosshair_trace_waypoints(pl);
520                 wp = trace_ent;
521         }
522         string err = "";
523         if (start_wp_is_spawned && !start_wp_is_hardwired)
524                 err = "can't hardwire while in the process of creating a special link";
525         else if (!wp)
526         {
527                 if (at_crosshair)
528                         err = "couldn't find any waypoint at crosshair";
529                 else
530                         err = "couldn't find any waypoint nearby";
531         }
532         else if (wp.wpflags & WPFLAGMASK_NORELINK)
533                 err = "can't hardwire a waypoint with special links";
534
535         if (err == "")
536         {
537                 start_wp_is_hardwired = true;
538                 start_wp_is_spawned = true;
539                 start_wp_origin = wp.origin;
540                 pl.wp_locked = wp;
541                 LOG_INFOF("^x80fWaypoint %s marked as hardwired link origin.\n", vtos(wp.origin));
542         }
543         else
544         {
545                 start_wp_is_hardwired = false;
546                 LOG_INFO("Error: ", err, "\n");
547         }
548 }
549
550 void waypoint_spawn_fromeditor(entity pl, bool at_crosshair, bool is_jump_wp, bool is_crouch_wp, bool is_support_wp)
551 {
552         if (WAYPOINT_VERSION < waypoint_version_loaded)
553         {
554                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
555                         "Update Xonotic to make them editable.", waypoint_version_loaded);
556                 return;
557         }
558
559         entity e = NULL, jp = NULL;
560         vector org = pl.origin;
561         if (at_crosshair)
562         {
563                 crosshair_trace_waypoints(pl);
564                 org = trace_endpos;
565                 if (!trace_ent)
566                         org.z -= PL_MIN_CONST.z;
567                 if (!(start_wp_is_hardwired || start_wp_is_support))
568                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
569                         {
570                                 jp = it;
571                                 break;
572                         });
573                 if (!jp && !start_wp_is_spawned && trace_ent)
574                 {
575                         if (trace_ent.wpflags & (WAYPOINTFLAG_JUMP))
576                                 is_jump_wp = true;
577                         else if (trace_ent.wpflags & (WAYPOINTFLAG_SUPPORT))
578                                 is_support_wp = true;
579                 }
580         }
581         if (jp || is_jump_wp || is_support_wp)
582         {
583                 if (start_wp_is_spawned)
584                         start_wp_is_spawned = false;
585                 LOG_INFO("^xf80Spawning start waypoint...\n");
586         }
587         int ctf_flags = havocbot_symmetry_origin_order;
588         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
589                    || (autocvar_g_waypointeditor_symmetrical < 0));
590         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
591                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
592         if (sym && ctf_flags < 2)
593                 ctf_flags = 2;
594         int wp_num = ctf_flags;
595
596         if(!PHYS_INPUT_BUTTON_CROUCH(pl) && !at_crosshair && !is_jump_wp && !is_support_wp)
597         {
598                 // snap waypoint to item's origin if close enough
599                 IL_EACH(g_items, true,
600                 {
601                         vector item_org = (it.absmin + it.absmax) * 0.5;
602                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
603                         if (vlen(item_org - org) < 20)
604                         {
605                                 org = item_org;
606                                 break;
607                         }
608                 });
609         }
610
611         vector start_org = '0 0 0';
612         if (start_wp_is_spawned)
613         {
614                 if (!start_wp_is_hardwired)
615                         LOG_INFO("^xf80Spawning destination waypoint...\n");
616                 start_org = start_wp_origin;
617         }
618
619         // save org as it can be modified spawning symmetrycal waypoints
620         vector initial_origin = '0 0 0';
621         bool initial_origin_is_set = false;
622
623         LABEL(add_wp);
624
625         if (jp)
626         {
627                 e = NULL;
628                 IL_EACH(g_waypoints, it.wpflags & WPFLAGMASK_NORELINK
629                         && boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
630                 {
631                         e = it; break;
632                 });
633                 if (!e)
634                         e = waypoint_spawn(jp.absmin - PL_MAX_CONST + '1 1 1', jp.absmax - PL_MIN_CONST + '-1 -1 -1', WAYPOINTFLAG_TELEPORT);
635                 if (!pl.wp_locked)
636                         pl.wp_locked = e;
637         }
638         else if (is_jump_wp || is_support_wp)
639         {
640                 int type_flag = (is_jump_wp) ? WAYPOINTFLAG_JUMP : WAYPOINTFLAG_SUPPORT;
641
642                 entity wp_found = waypoint_get(org, org);
643                 if (wp_found && !(wp_found.wpflags & type_flag))
644                 {
645                         LOG_INFOF("Error: can't spawn a %s waypoint over an existent waypoint of a different type\n", (is_jump_wp) ? "Jump" : "Support");
646                         return;
647                 }
648                 e = waypoint_spawn(org, org, type_flag);
649                 if (!pl.wp_locked)
650                         pl.wp_locked = e;
651         }
652         else
653                 e = waypoint_spawn(org, org, (is_crouch_wp) ? WAYPOINTFLAG_CROUCH : 0);
654         if(!e)
655         {
656                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
657                 if (start_wp_is_spawned)
658                         waypoint_clear_start_wp_globals(pl, true);
659                 return;
660         }
661
662         if (!initial_origin_is_set)
663         {
664                 initial_origin = e.origin;
665                 initial_origin_is_set = true;
666         }
667
668         entity start_wp = NULL;
669         if (start_wp_is_spawned)
670         {
671                 IL_EACH(g_waypoints, (start_wp_is_hardwired || it.wpflags & WPFLAGMASK_NORELINK)
672                         && boxesoverlap(start_org, start_org, it.absmin, it.absmax),
673                 {
674                         start_wp = it; break;
675                 });
676                 if(!start_wp)
677                 {
678                         // should not happen
679                         LOG_INFOF("Couldn't find start waypoint at %v\n", start_org);
680                         waypoint_clear_start_wp_globals(pl, true);
681                         return;
682                 }
683                 if (start_wp_is_hardwired)
684                 {
685                         if (waypoint_is_hardwiredlink(start_wp, e))
686                         {
687                                 waypoint_unmark_hardwiredlink(start_wp, e);
688                                 waypoint_removelink(start_wp, e);
689                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
690                                 LOG_INFOF("^x80fRemoved hardwired link %s.\n", s);
691                         }
692                         else
693                         {
694                                 if (e.createdtime == time)
695                                 {
696                                         LOG_INFO("Error: hardwired links can be created only between 2 existing (and unconnected) waypoints.\n");
697                                         waypoint_remove(e);
698                                         waypoint_clear_start_wp_globals(pl, true);
699                                         waypoint_spawn_fromeditor(pl, at_crosshair, is_jump_wp, is_crouch_wp, is_support_wp);
700                                         return;
701                                 }
702                                 if (start_wp == e)
703                                 {
704                                         LOG_INFO("Error: start and destination waypoints coincide.\n");
705                                         waypoint_clear_start_wp_globals(pl, true);
706                                         return;
707                                 }
708                                 if (waypoint_islinked(start_wp, e))
709                                 {
710                                         LOG_INFO("Error: waypoints are already linked.\n");
711                                         waypoint_clear_start_wp_globals(pl, true);
712                                         return;
713                                 }
714                                 waypoint_addlink(start_wp, e);
715                                 waypoint_mark_hardwiredlink(start_wp, e);
716                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
717                                 LOG_INFOF("^x80fAdded hardwired link %s.\n", s);
718                         }
719                 }
720                 else
721                 {
722                         if (start_wp_is_support)
723                         {
724                                 if (e.SUPPORT_WP)
725                                 {
726                                         LOG_INFOF("Waypoint %v has already a support waypoint, delete it first.\n", e.origin);
727                                         waypoint_clear_start_wp_globals(pl, true);
728                                         return;
729                                 }
730                                 // clear all links to e
731                                 IL_EACH(g_waypoints, it != e,
732                                 {
733                                         if (waypoint_islinked(it, e) && !waypoint_is_hardwiredlink(it, e))
734                                                 waypoint_removelink(it, e);
735                                 });
736                         }
737                         waypoint_addlink(start_wp, e);
738                 }
739         }
740
741         if (!(jp || is_jump_wp || is_support_wp || start_wp_is_hardwired))
742                 waypoint_schedulerelink(e);
743
744         string wp_type_str = waypoint_get_type_name(e);
745
746         bprint(strcat(wp_type_str, "^7 spawned at ", vtos(e.origin), "\n"));
747
748         if (start_wp_is_spawned)
749         {
750                 pl.wp_locked = NULL;
751                 if (!start_wp_is_hardwired)
752                         waypoint_schedulerelink(start_wp);
753                 if (start_wp.wpflags & WAYPOINTFLAG_TELEPORT)
754                 {
755                         if (start_wp.wp00_original == start_wp.wp00)
756                                 start_wp.wpflags &= ~WAYPOINTFLAG_CUSTOM_JP;
757                         else
758                                 start_wp.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
759                 }
760         }
761
762         if (sym)
763         {
764                 org = waypoint_getSymmetricalPoint(org, ctf_flags);
765                 if (jp)
766                 {
767                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
768                         {
769                                 jp = it; break;
770                         });
771                 }
772                 if (start_wp_is_spawned)
773                         start_org = waypoint_getSymmetricalPoint(start_org, ctf_flags);
774                 if (vdist(org - pl.origin, >, 32))
775                 {
776                         if(wp_num > 2)
777                                 wp_num--;
778                         else
779                                 sym = false;
780                         goto add_wp;
781                 }
782         }
783         if (jp || is_jump_wp || is_support_wp)
784         {
785                 if (!start_wp_is_spawned)
786                 {
787                         // we've just created a custom jumppad waypoint
788                         // the next one created by the user will be the destination waypoint
789                         start_wp_is_spawned = true;
790                         start_wp_origin = initial_origin;
791                         if (is_support_wp)
792                                 start_wp_is_support = true;
793                 }
794         }
795         else if (start_wp_is_spawned)
796         {
797                 waypoint_clear_start_wp_globals(pl, false);
798         }
799 }
800
801 void waypoint_remove(entity wp)
802 {
803         IL_EACH(g_waypoints, it != wp,
804         {
805                 if (it.SUPPORT_WP == wp)
806                 {
807                         it.SUPPORT_WP = NULL;
808                         waypoint_schedulerelink(it); // restore incoming links
809                 }
810                 if (waypoint_islinked(it, wp))
811                 {
812                         if (waypoint_is_hardwiredlink(it, wp))
813                                 waypoint_unmark_hardwiredlink(it, wp);
814                         waypoint_removelink(it, wp);
815                 }
816         });
817         delete(wp);
818 }
819
820 void waypoint_remove_fromeditor(entity pl)
821 {
822         if (WAYPOINT_VERSION < waypoint_version_loaded)
823         {
824                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
825                         "Update Xonotic to make them editable.", waypoint_version_loaded);
826                 return;
827         }
828
829         entity e = navigation_findnearestwaypoint(pl, false);
830
831         int ctf_flags = havocbot_symmetry_origin_order;
832         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
833                    || (autocvar_g_waypointeditor_symmetrical < 0));
834         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
835                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
836         if (sym && ctf_flags < 2)
837                 ctf_flags = 2;
838         int wp_num = ctf_flags;
839
840         LABEL(remove_wp);
841         if (!e) return;
842
843         if (e.wpflags & WAYPOINTFLAG_GENERATED)
844         {
845                 if (start_wp_is_spawned)
846                         waypoint_clear_start_wp_globals(pl, true);
847                 return;
848         }
849
850         if (waypoint_has_hardwiredlinks(e))
851         {
852                 LOG_INFO("Can't remove a waypoint with hardwired links, remove links with \"wpeditor hardwire\" first\n");
853                 return;
854         }
855
856         entity wp_sym = NULL;
857         if (sym)
858         {
859                 vector org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
860                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
861                         if(vdist(org - it.origin, <, 3))
862                         {
863                                 wp_sym = it;
864                                 break;
865                         }
866                 });
867         }
868
869         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
870         te_explosion(e.origin);
871         waypoint_remove(e);
872
873         if (sym && wp_sym)
874         {
875                 e = wp_sym;
876                 if(wp_num > 2)
877                         wp_num--;
878                 else
879                         sym = false;
880                 goto remove_wp;
881         }
882
883         if (start_wp_is_spawned)
884                 waypoint_clear_start_wp_globals(pl, true);
885 }
886
887 void waypoint_removelink(entity from, entity to)
888 {
889         if (from == to || (from.wpflags & WPFLAGMASK_NORELINK && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))))
890                 return;
891
892         entity fromwp31_prev = from.wp31;
893
894         switch (waypoint_getlinknum(from, to))
895         {
896                 // fallthrough all the way
897                 case  0: from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;
898                 case  1: from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;
899                 case  2: from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;
900                 case  3: from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;
901                 case  4: from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;
902                 case  5: from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;
903                 case  6: from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;
904                 case  7: from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;
905                 case  8: from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;
906                 case  9: from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;
907                 case 10: from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;
908                 case 11: from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;
909                 case 12: from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;
910                 case 13: from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;
911                 case 14: from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;
912                 case 15: from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;
913                 case 16: from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;
914                 case 17: from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;
915                 case 18: from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;
916                 case 19: from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;
917                 case 20: from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;
918                 case 21: from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;
919                 case 22: from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;
920                 case 23: from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;
921                 case 24: from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;
922                 case 25: from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;
923                 case 26: from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;
924                 case 27: from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;
925                 case 28: from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;
926                 case 29: from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;
927                 case 30: from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;
928                 case 31: from.wp31 = NULL; from.wp31mincost = 10000000;
929         }
930
931         if (fromwp31_prev && !from.wp31)
932                 waypoint_schedulerelink(from);
933 }
934
935 int waypoint_getlinknum(entity from, entity to)
936 {
937         if (from.wp00 == to) return  0; if (from.wp01 == to) return  1; if (from.wp02 == to) return  2; if (from.wp03 == to) return  3;
938         if (from.wp04 == to) return  4; if (from.wp05 == to) return  5; if (from.wp06 == to) return  6; if (from.wp07 == to) return  7;
939         if (from.wp08 == to) return  8; if (from.wp09 == to) return  9; if (from.wp10 == to) return 10; if (from.wp11 == to) return 11;
940         if (from.wp12 == to) return 12; if (from.wp13 == to) return 13; if (from.wp14 == to) return 14; if (from.wp15 == to) return 15;
941         if (from.wp16 == to) return 16; if (from.wp17 == to) return 17; if (from.wp18 == to) return 18; if (from.wp19 == to) return 19;
942         if (from.wp20 == to) return 20; if (from.wp21 == to) return 21; if (from.wp22 == to) return 22; if (from.wp23 == to) return 23;
943         if (from.wp24 == to) return 24; if (from.wp25 == to) return 25; if (from.wp26 == to) return 26; if (from.wp27 == to) return 27;
944         if (from.wp28 == to) return 28; if (from.wp29 == to) return 29; if (from.wp30 == to) return 30; if (from.wp31 == to) return 31;
945         return -1;
946 }
947
948 bool waypoint_islinked(entity from, entity to)
949 {
950         return (waypoint_getlinknum(from, to) >= 0);
951 }
952
953 void waypoint_updatecost_foralllinks()
954 {
955         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
956         {
957                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
958                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
959                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
960                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
961                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
962                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
963                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
964                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
965                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
966                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
967                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
968                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
969                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
970                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
971                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
972                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
973                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
974                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
975                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
976                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
977                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
978                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
979                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
980                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
981                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
982                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
983                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
984                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
985                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
986                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
987                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
988                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
989         });
990 }
991
992 float waypoint_getlinearcost(float dist)
993 {
994         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
995                 return dist / (autocvar_sv_maxspeed * 1.25);
996         return dist / autocvar_sv_maxspeed;
997 }
998
999 float waypoint_getlinearcost_underwater(float dist)
1000 {
1001         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
1002         return dist / (autocvar_sv_maxspeed * 0.7);
1003 }
1004
1005 float waypoint_getlinearcost_crouched(float dist)
1006 {
1007         return dist / (autocvar_sv_maxspeed * 0.5);
1008 }
1009
1010 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
1011 {
1012         bool submerged_from = navigation_check_submerged_state(from_ent, from);
1013         bool submerged_to = navigation_check_submerged_state(to_ent, to);
1014
1015         if (submerged_from && submerged_to)
1016                 return waypoint_getlinearcost_underwater(vlen(to - from));
1017
1018         if (from_ent.wpflags & WAYPOINTFLAG_CROUCH && to_ent.wpflags & WAYPOINTFLAG_CROUCH)
1019                 return waypoint_getlinearcost_crouched(vlen(to - from));
1020
1021         float c = waypoint_getlinearcost(vlen(to - from));
1022
1023         float height = from.z - to.z;
1024         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
1025         {
1026                 float height_cost; // fall cost
1027                 if (boolean(from_ent.wpflags & WAYPOINTFLAG_JUMP))
1028                         height_cost = jumpheight_time + sqrt((height + jumpheight_vec.z) / (autocvar_sv_gravity / 2));
1029                 else
1030                         height_cost = sqrt(height / (autocvar_sv_gravity / 2));
1031                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
1032                 if(height_cost > c)
1033                         c = height_cost;
1034         }
1035
1036         // consider half path underwater
1037         if (submerged_from || submerged_to)
1038                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
1039
1040         // consider half path crouched
1041         if (from_ent.wpflags & WAYPOINTFLAG_CROUCH || to_ent.wpflags & WAYPOINTFLAG_CROUCH)
1042                 return (c + waypoint_getlinearcost_crouched(vlen(to - from))) / 2;
1043
1044         return c;
1045 }
1046
1047 float waypoint_getlinkcost(entity from, entity to)
1048 {
1049         vector v1 = from.origin;
1050         vector v2 = to.origin;
1051         if (from.wpisbox)
1052         {
1053                 vector m1 = from.absmin, m2 = from.absmax;
1054                 v1.x = bound(m1.x, v2.x, m2.x);
1055                 v1.y = bound(m1.y, v2.y, m2.y);
1056                 v1.z = bound(m1.z, v2.z, m2.z);
1057         }
1058         if (to.wpisbox)
1059         {
1060                 vector m1 = to.absmin, m2 = to.absmax;
1061                 v2.x = bound(m1.x, v1.x, m2.x);
1062                 v2.y = bound(m1.y, v1.y, m2.y);
1063                 v2.z = bound(m1.z, v1.z, m2.z);
1064         }
1065         return waypoint_gettravelcost(v1, v2, from, to);
1066 }
1067
1068 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
1069 // if c == -1 automatically determine cost of the link
1070 void waypoint_addlink_customcost(entity from, entity to, float c)
1071 {
1072         if (from == to || waypoint_islinked(from, to))
1073                 return;
1074         if (c == -1 && (from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1075                 return;
1076
1077         if(c == -1)
1078                 c = waypoint_getlinkcost(from, to);
1079
1080         if (from.wp31mincost < c) return;
1081         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
1082         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
1083         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
1084         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
1085         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
1086         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
1087         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
1088         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
1089         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
1090         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
1091         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
1092         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
1093         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
1094         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
1095         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
1096         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
1097         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
1098         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
1099         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
1100         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
1101         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
1102         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
1103         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
1104         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
1105         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
1106         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
1107         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
1108         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
1109         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
1110         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
1111         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
1112         from.wp00 = to;from.wp00mincost = c;return;
1113 }
1114
1115 void waypoint_addlink(entity from, entity to)
1116 {
1117         if ((from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1118                 waypoint_addlink_for_custom_jumppad(from, to);
1119         else
1120                 waypoint_addlink_customcost(from, to, -1);
1121
1122         if (from.wpflags & WAYPOINTFLAG_SUPPORT)
1123                 to.SUPPORT_WP = from;
1124 }
1125
1126 // relink this spawnfunc_waypoint
1127 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
1128 // (SLOW!)
1129 void waypoint_think(entity this)
1130 {
1131         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
1132         float sv2_height = 0, ev2_height = 0;
1133
1134         bot_calculate_stepheightvec();
1135
1136         int dphitcontentsmask_save = this.dphitcontentsmask;
1137         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
1138
1139         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
1140
1141         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
1142         IL_EACH(g_waypoints, this != it,
1143         {
1144                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
1145                 {
1146                         if (!(this.wpflags & WPFLAGMASK_NORELINK))
1147                                 waypoint_addlink(this, it);
1148                         if (!(it.wpflags & WPFLAGMASK_NORELINK))
1149                                 waypoint_addlink(it, this);
1150                 }
1151                 else
1152                 {
1153                         ++relink_total;
1154                         if(!checkpvs(this.origin, it))
1155                         {
1156                                 ++relink_pvsculled;
1157                                 continue;
1158                         }
1159
1160                         sv = set_tracewalk_dest_2(this, it.origin);
1161                         sv2 = tracewalk_dest;
1162                         sv2_height = tracewalk_dest_height;
1163                         ev = set_tracewalk_dest_2(it, this.origin);
1164                         ev2 = tracewalk_dest;
1165                         ev2_height = tracewalk_dest_height;
1166
1167                         dv = ev - sv;
1168                         dv.z = 0;
1169                         int maxdist = 1050;
1170                         vector m1 = PL_MIN_CONST;
1171                         vector m2 = PL_MAX_CONST;
1172
1173                         if (this.wpflags & WAYPOINTFLAG_CROUCH || it.wpflags & WAYPOINTFLAG_CROUCH)
1174                         {
1175                                 m1 = PL_CROUCH_MIN_CONST;
1176                                 m2 = PL_CROUCH_MAX_CONST;
1177                                 // links from crouch wp to normal wp (and viceversa) are very short to avoid creating many links
1178                                 // that would be wasted due to rough travel cost calculation (the longer link is, the higher cost is)
1179                                 // links from crouch wp to crouch wp can be as long as normal links
1180                                 if (!(this.wpflags & WAYPOINTFLAG_CROUCH && it.wpflags & WAYPOINTFLAG_CROUCH))
1181                                         maxdist = 100;
1182                         }
1183
1184                         if (vdist(dv, >=, maxdist)) // max search distance in XY
1185                         {
1186                                 ++relink_lengthculled;
1187                                 continue;
1188                         }
1189
1190                         navigation_testtracewalk = 0;
1191
1192                         //traceline(this.origin, it.origin, false, NULL);
1193                         //if (trace_fraction == 1)
1194                         if (this.wpisbox || this.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT) // forbid outgoing links
1195                                 || it.SUPPORT_WP) // forbid incoming links
1196                         {
1197                                 relink_walkculled += 0.5;
1198                         }
1199                         else
1200                         {
1201                                 if (tracewalk(this, sv, m1, m2, ev2, ev2_height, MOVE_NOMONSTERS))
1202                                         waypoint_addlink(this, it);
1203                                 else
1204                                         relink_walkculled += 0.5;
1205                         }
1206
1207                         // reverse direction
1208                         if (it.wpisbox || it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT) // forbid incoming links
1209                                 || this.SUPPORT_WP) // forbid outgoing links
1210                         {
1211                                 relink_walkculled += 0.5;
1212                         }
1213                         else
1214                         {
1215                                 if (tracewalk(this, ev, m1, m2, sv2, sv2_height, MOVE_NOMONSTERS))
1216                                         waypoint_addlink(it, this);
1217                                 else
1218                                         relink_walkculled += 0.5;
1219                         }
1220                 }
1221         });
1222         navigation_testtracewalk = 0;
1223         this.wplinked = true;
1224         this.dphitcontentsmask = dphitcontentsmask_save;
1225
1226         setthink(this, func_null);
1227         this.nextthink = 0;
1228 }
1229
1230 void waypoint_clearlinks(entity wp)
1231 {
1232         // clear links to other waypoints
1233         float f = 10000000;
1234         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
1235         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
1236         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
1237         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
1238
1239         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
1240         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
1241         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
1242         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
1243
1244         wp.wplinked = false;
1245 }
1246
1247 // tell a spawnfunc_waypoint to relink
1248 void waypoint_schedulerelink(entity wp)
1249 {
1250         if (wp == NULL)
1251                 return;
1252
1253         waypoint_setupmodel(wp);
1254         wp.wpisbox = vdist(wp.size, >, 0);
1255         wp.enemy = NULL;
1256         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
1257                 wp.owner = NULL;
1258         if (!(wp.wpflags & WPFLAGMASK_NORELINK))
1259                 waypoint_clearlinks(wp);
1260         // schedule an actual relink on next frame
1261         setthink(wp, waypoint_think);
1262         wp.nextthink = time;
1263         wp.effects = EF_LOWPRECISION;
1264 }
1265
1266 // spawnfunc_waypoint map entity
1267 spawnfunc(waypoint)
1268 {
1269         IL_PUSH(g_waypoints, this);
1270
1271         setorigin(this, this.origin);
1272         // schedule a relink after other waypoints have had a chance to spawn
1273         waypoint_clearlinks(this);
1274         //waypoint_schedulerelink(this);
1275 }
1276
1277 // tell all waypoints to relink
1278 // actually this is useful only to update relink_* stats
1279 void waypoint_schedulerelinkall()
1280 {
1281         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
1282         IL_EACH(g_waypoints, true,
1283         {
1284                 waypoint_schedulerelink(it);
1285         });
1286         waypoint_load_hardwiredlinks();
1287 }
1288
1289 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
1290
1291 // Load waypoint links from file
1292 bool waypoint_load_links()
1293 {
1294         string s;
1295         float file, tokens, c = 0, found;
1296         entity wp_from = NULL, wp_to;
1297         vector wp_to_pos, wp_from_pos;
1298
1299         string gt_ext = GET_GAMETYPE_EXTENSION();
1300
1301         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1302         file = fopen(filename, FILE_READ);
1303
1304         if (gt_ext != "" && file < 0)
1305         {
1306                 // if race waypoint file doesn't exist load the default one
1307                 filename = sprintf("maps/%s.waypoints.cache", mapname);
1308                 file = fopen(filename, FILE_READ);
1309         }
1310
1311         if (file < 0)
1312         {
1313                 LOG_TRACE("waypoint links load from ", filename, " failed");
1314                 waypoint_schedulerelinkall();
1315                 return false;
1316         }
1317
1318         bool parse_comments = true;
1319         float ver = 0;
1320         string links_time = string_null;
1321
1322         while ((s = fgets(file)))
1323         {
1324                 if(parse_comments)
1325                 {
1326                         if(substring(s, 0, 2) == "//")
1327                         {
1328                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1329                                         ver = stof(substring(s, 19, -1));
1330                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1331                                         links_time = substring(s, 16, -1);
1332                                 continue;
1333                         }
1334                         else
1335                         {
1336                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
1337                                 {
1338                                         if (links_time != waypoint_time)
1339                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
1340                                         else
1341                                                 LOG_TRACE("waypoint links for this map are outdated.");
1342                                         if (g_assault)
1343                                         {
1344                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
1345                                         }
1346                                         else
1347                                         {
1348                                                 LOG_TRACE("automatically updating...");
1349                                                 waypoint_schedulerelinkall();
1350                                                 fclose(file);
1351                                                 return false;
1352                                         }
1353                                 }
1354                                 parse_comments = false;
1355                         }
1356                 }
1357
1358                 tokens = tokenizebyseparator(s, "*");
1359
1360                 if (tokens!=2)
1361                 {
1362                         // bad file format
1363                         fclose(file);
1364                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
1365                         return false;
1366                 }
1367
1368                 wp_from_pos     = stov(argv(0));
1369                 wp_to_pos       = stov(argv(1));
1370
1371                 // Search "from" waypoint
1372                 if(!wp_from || wp_from.origin!=wp_from_pos)
1373                 {
1374                         wp_from = findradius(wp_from_pos, 1);
1375                         found = false;
1376                         while(wp_from)
1377                         {
1378                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
1379                                 if(wp_from.classname == "waypoint")
1380                                 {
1381                                         found = true;
1382                                         break;
1383                                 }
1384                                 wp_from = wp_from.chain;
1385                         }
1386
1387                         if(!found)
1388                         {
1389                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
1390                                 continue;
1391                         }
1392                 }
1393
1394                 // Search "to" waypoint
1395                 wp_to = findradius(wp_to_pos, 1);
1396                 found = false;
1397                 while(wp_to)
1398                 {
1399                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
1400                         if(wp_to.classname == "waypoint")
1401                         {
1402                                 found = true;
1403                                 break;
1404                         }
1405                         wp_to = wp_to.chain;
1406                 }
1407
1408                 if(!found)
1409                 {
1410                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
1411                         continue;
1412                 }
1413
1414                 ++c;
1415                 waypoint_addlink(wp_from, wp_to);
1416                 if (wp_from.wp00_original && wp_from.wp00_original != wp_from.wp00)
1417                         wp_from.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
1418         }
1419
1420         fclose(file);
1421
1422         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
1423
1424         bool scheduled = false;
1425         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
1426         {
1427                 if (!it.wp00)
1428                 {
1429                         waypoint_schedulerelink(it);
1430                         scheduled = true;
1431                 }
1432         });
1433         if (scheduled)
1434                 return false;
1435
1436         botframe_cachedwaypointlinks = true;
1437         return true;
1438 }
1439
1440 void waypoint_load_hardwiredlinks()
1441 {
1442         string s;
1443         float file, tokens, c = 0, found;
1444         entity wp_from = NULL, wp_to;
1445         vector wp_to_pos, wp_from_pos;
1446
1447         string gt_ext = GET_GAMETYPE_EXTENSION();
1448
1449         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1450         file = fopen(filename, FILE_READ);
1451
1452         if (gt_ext != "" && file < 0)
1453         {
1454                 // if race waypoint file doesn't exist load the default one
1455                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
1456                 file = fopen(filename, FILE_READ);
1457         }
1458
1459         botframe_loadedforcedlinks = true;
1460
1461         if (file < 0)
1462         {
1463                 LOG_TRACE("waypoint links load from ", filename, " failed");
1464                 return;
1465         }
1466
1467         bool is_special = false;
1468         while ((s = fgets(file)))
1469         {
1470                 if(substring(s, 0, 2)=="//")
1471                         continue;
1472
1473                 if(substring(s, 0, 1)=="#")
1474                         continue;
1475
1476                 // special links start with *, so old xonotic versions don't load them
1477                 is_special = false;
1478                 if (substring(s, 0, 1) == "*")
1479                 {
1480                         is_special = true;
1481                         s = substring(s, 1, -1);
1482                 }
1483
1484                 tokens = tokenizebyseparator(s, "*");
1485
1486                 if (tokens!=2)
1487                         continue;
1488
1489                 wp_from_pos     = stov(argv(0));
1490                 wp_to_pos       = stov(argv(1));
1491
1492                 // Search "from" waypoint
1493                 if(!wp_from || wp_from.origin!=wp_from_pos)
1494                 {
1495                         wp_from = findradius(wp_from_pos, 5);
1496                         found = false;
1497                         while(wp_from)
1498                         {
1499                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
1500                                 if(wp_from.classname == "waypoint")
1501                                 {
1502                                         found = true;
1503                                         break;
1504                                 }
1505                                 wp_from = wp_from.chain;
1506                         }
1507
1508                         if(!found)
1509                         {
1510                                 s = strcat(((is_special) ? "special link " : "hardwired link "), s);
1511                                 LOG_INFO("NOTICE: Can not find origin waypoint of the ", s, ". Path skipped");
1512                                 continue;
1513                         }
1514                 }
1515
1516                 // Search "to" waypoint
1517                 wp_to = findradius(wp_to_pos, 5);
1518                 found = false;
1519                 while(wp_to)
1520                 {
1521                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
1522                         if(wp_to.classname == "waypoint")
1523                         {
1524                                 found = true;
1525                                 break;
1526                         }
1527                         wp_to = wp_to.chain;
1528                 }
1529
1530                 if(!found)
1531                 {
1532                         s = strcat(((is_special) ? "special link " : "hardwired link "), s);
1533                         LOG_INFO("NOTICE: Can not find destination waypoint of the ", s, ". Path skipped");
1534                         continue;
1535                 }
1536
1537                 ++c;
1538
1539                 if (!is_special)
1540                 {
1541                         waypoint_addlink(wp_from, wp_to);
1542                         waypoint_mark_hardwiredlink(wp_from, wp_to);
1543                 } else if (wp_from.wpflags & WPFLAGMASK_NORELINK
1544                         && (wp_from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)
1545                                 || (wp_from.wpisbox && wp_from.wpflags & WAYPOINTFLAG_TELEPORT)))
1546                 {
1547                         waypoint_addlink(wp_from, wp_to);
1548                 }
1549         }
1550
1551         fclose(file);
1552
1553         LOG_TRACE("loaded ", ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
1554 }
1555
1556 entity waypoint_get_link(entity w, float i)
1557 {
1558         switch(i)
1559         {
1560                 case  0:return w.wp00;
1561                 case  1:return w.wp01;
1562                 case  2:return w.wp02;
1563                 case  3:return w.wp03;
1564                 case  4:return w.wp04;
1565                 case  5:return w.wp05;
1566                 case  6:return w.wp06;
1567                 case  7:return w.wp07;
1568                 case  8:return w.wp08;
1569                 case  9:return w.wp09;
1570                 case 10:return w.wp10;
1571                 case 11:return w.wp11;
1572                 case 12:return w.wp12;
1573                 case 13:return w.wp13;
1574                 case 14:return w.wp14;
1575                 case 15:return w.wp15;
1576                 case 16:return w.wp16;
1577                 case 17:return w.wp17;
1578                 case 18:return w.wp18;
1579                 case 19:return w.wp19;
1580                 case 20:return w.wp20;
1581                 case 21:return w.wp21;
1582                 case 22:return w.wp22;
1583                 case 23:return w.wp23;
1584                 case 24:return w.wp24;
1585                 case 25:return w.wp25;
1586                 case 26:return w.wp26;
1587                 case 27:return w.wp27;
1588                 case 28:return w.wp28;
1589                 case 29:return w.wp29;
1590                 case 30:return w.wp30;
1591                 case 31:return w.wp31;
1592                 default:return NULL;
1593         }
1594 }
1595
1596 // Save all hardwired waypoint links to a file
1597 void waypoint_save_hardwiredlinks()
1598 {
1599         string gt_ext = GET_GAMETYPE_EXTENSION();
1600
1601         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1602         int file = fopen(filename, FILE_WRITE);
1603         if (file < 0)
1604         {
1605                 LOG_TRACE("waypoint hardwired links ", filename, " creation failed");
1606                 return;
1607         }
1608
1609         // write hardwired links to file
1610         int count = 0;
1611         fputs(file, "// HARDWIRED LINKS\n");
1612         IL_EACH(g_waypoints, waypoint_has_hardwiredlinks(it),
1613         {
1614                 for (int j = 0; j < 32; ++j)
1615                 {
1616                         entity link = waypoint_get_link(it, j);
1617                         if (waypoint_is_hardwiredlink(it, link))
1618                         {
1619                                 // NOTE: vtos rounds vector components to 1 decimal place
1620                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1621                                 fputs(file, s);
1622                                 ++count;
1623                         }
1624                 }
1625         });
1626
1627         // write special links to file
1628         int count2 = 0;
1629         fputs(file, "\n// SPECIAL LINKS\n");
1630         IL_EACH(g_waypoints, it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP),
1631         {
1632                 for (int j = 0; j < 32; ++j)
1633                 {
1634                         entity link = waypoint_get_link(it, j);
1635                         if (link)
1636                         {
1637                                 // NOTE: vtos rounds vector components to 1 decimal place
1638                                 string s = strcat("*", vtos(it.origin), "*", vtos(link.origin), "\n");
1639                                 fputs(file, s);
1640                                 ++count2;
1641                         }
1642                 }
1643         });
1644
1645         fclose(file);
1646
1647         LOG_INFOF("saved %d hardwired links and %d special links to %s", count, count2, filename);
1648 }
1649
1650 // Save all waypoint links to a file
1651 void waypoint_save_links()
1652 {
1653         string gt_ext = GET_GAMETYPE_EXTENSION();
1654
1655         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1656         int file = fopen(filename, FILE_WRITE);
1657         if (file < 0)
1658         {
1659                 LOG_INFOF("waypoint link save to %s failed", filename);
1660                 return;
1661         }
1662
1663         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1664         if (waypoint_time != "")
1665                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1666
1667         int c = 0;
1668         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP)),
1669         {
1670                 for(int j = 0; j < 32; ++j)
1671                 {
1672                         entity link = waypoint_get_link(it, j);
1673                         if (link && !waypoint_is_hardwiredlink(it, link))
1674                         {
1675                                 // NOTE: vtos rounds vector components to 1 decimal place
1676                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1677                                 fputs(file, s);
1678                                 ++c;
1679                         }
1680                 }
1681         });
1682         fclose(file);
1683
1684         botframe_cachedwaypointlinks = true;
1685
1686         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1687 }
1688
1689 // save waypoints to gamedir/data/maps/mapname.waypoints
1690 void waypoint_saveall()
1691 {
1692         if (WAYPOINT_VERSION < waypoint_version_loaded)
1693         {
1694                 LOG_INFOF("^1Overwriting waypoints with a higher version number (%f) is not allowed.\n"
1695                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1696                 return;
1697         }
1698         string gt_ext = GET_GAMETYPE_EXTENSION();
1699
1700         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1701         int file = fopen(filename, FILE_WRITE);
1702         if (file < 0)
1703         {
1704                 waypoint_save_links(); // save anyway?
1705                 botframe_loadedforcedlinks = false;
1706
1707                 LOG_INFOF("waypoint links: save to %s failed", filename);
1708                 return;
1709         }
1710
1711         float sym = autocvar_g_waypointeditor_symmetrical;
1712         string sym_str = ftos(sym);
1713         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1714         {
1715                 if (sym == 1)
1716                 {
1717                         sym_str = cons(sym_str, "-");
1718                         sym_str = cons(sym_str, "-");
1719                 }
1720                 else
1721                 {
1722                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1723                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1724                 }
1725                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1726                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1727         }
1728         else if (autocvar_g_waypointeditor_symmetrical == -2)
1729         {
1730                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1731                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1732         }
1733
1734         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1735         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1736         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1737         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1738
1739         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1740         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1741         //fputs(file, strcat("//", "\n"));
1742         //fputs(file, strcat("//", "\n"));
1743         //fputs(file, strcat("//", "\n"));
1744
1745         int c = 0;
1746         IL_EACH(g_waypoints, true,
1747         {
1748                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1749                         continue;
1750
1751                 string s;
1752                 // NOTE: vtos rounds vector components to 1 decimal place
1753                 s = strcat(vtos(it.origin + it.mins), "\n");
1754                 s = strcat(s, vtos(it.origin + it.maxs));
1755                 s = strcat(s, "\n");
1756                 s = strcat(s, ftos(it.wpflags));
1757                 s = strcat(s, "\n");
1758                 fputs(file, s);
1759                 c++;
1760         });
1761         fclose(file);
1762         waypoint_save_links();
1763         waypoint_save_hardwiredlinks();
1764
1765         botframe_loadedforcedlinks = false;
1766
1767         waypoint_version_loaded = WAYPOINT_VERSION;
1768         LOG_INFOF("saved %d waypoints to %s", c, filename);
1769 }
1770
1771 // load waypoints from file
1772 float waypoint_loadall()
1773 {
1774         string s;
1775         int file, cwp, cwb, fl;
1776         vector m1, m2;
1777         cwp = 0;
1778         cwb = 0;
1779
1780         string gt_ext = GET_GAMETYPE_EXTENSION();
1781
1782         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1783         file = fopen(filename, FILE_READ);
1784
1785         if (gt_ext != "" && file < 0)
1786         {
1787                 // if race waypoint file doesn't exist load the default one
1788                 filename = sprintf("maps/%s.waypoints", mapname);
1789                 file = fopen(filename, FILE_READ);
1790         }
1791
1792         if (file < 0)
1793         {
1794                 LOG_TRACE("waypoint load from ", filename, " failed");
1795                 return 0;
1796         }
1797
1798         bool parse_comments = true;
1799         float ver = 0;
1800         float sym = 0;
1801         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1802
1803         while ((s = fgets(file)))
1804         {
1805                 if(parse_comments)
1806                 {
1807                         if(substring(s, 0, 2) == "//")
1808                         {
1809                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1810                                         ver = stof(substring(s, 19, -1));
1811                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1812                                 {
1813                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1814                                         if (tokens) { sym = stof(argv(0)); }
1815                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1816                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1817                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1818                                 }
1819                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1820                                         strcpy(waypoint_time, substring(s, 16, -1));
1821                                 continue;
1822                         }
1823                         else
1824                         {
1825                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1826                                 {
1827                                         LOG_TRACE("waypoints for this map are outdated");
1828                                         LOG_TRACE("please update them in the editor");
1829                                 }
1830                                 parse_comments = false;
1831                         }
1832                 }
1833                 m1 = stov(s);
1834                 s = fgets(file);
1835                 if (!s)
1836                         break;
1837                 m2 = stov(s);
1838                 s = fgets(file);
1839                 if (!s)
1840                         break;
1841                 fl = stof(s);
1842                 if (fl & WAYPOINTFLAG_NORELINK__DEPRECATED)
1843                         fl &= ~WAYPOINTFLAG_NORELINK__DEPRECATED;
1844                 waypoint_spawn(m1, m2, fl);
1845                 if (m1 == m2)
1846                         cwp = cwp + 1;
1847                 else
1848                         cwb = cwb + 1;
1849         }
1850         fclose(file);
1851         waypoint_version_loaded = ver;
1852         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1853
1854         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1855         {
1856                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1857                 if (sym == 1 && sym_param3 < 2)
1858                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1859                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1860                 {
1861                         string params;
1862                         if (sym == 1)
1863                                 params = cons("-", "-");
1864                         else
1865                         {
1866                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1867                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1868                         }
1869                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1870                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1871                 }
1872                 else if (sym == -2)
1873                 {
1874                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1875                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1876                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with axis ", params);
1877                 }
1878                 else
1879                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym));
1880                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1881         }
1882
1883         if (WAYPOINT_VERSION < waypoint_version_loaded)
1884                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
1885                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1886
1887         return cwp + cwb;
1888 }
1889
1890 #define waypoint_fixorigin(position, tracetest_ent) \
1891         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1892
1893 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1894 {
1895         vector endpos = position + down_dir * 3000;
1896         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1897         if(trace_startsolid)
1898                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1899         if(trace_startsolid)
1900                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1901         if(trace_fraction < 1)
1902                 position = trace_endpos;
1903         return position;
1904 }
1905
1906 void waypoint_spawnforitem_force(entity e, vector org)
1907 {
1908         // Fix the waypoint altitude if necessary
1909         org = waypoint_fixorigin(org, NULL);
1910
1911         // don't spawn an item spawnfunc_waypoint if it already exists
1912         IL_EACH(g_waypoints, true,
1913         {
1914                 if(it.wpisbox)
1915                 {
1916                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1917                         {
1918                                 e.nearestwaypoint = it;
1919                                 return;
1920                         }
1921                 }
1922                 else
1923                 {
1924                         if(vdist(it.origin - org, <, 16))
1925                         {
1926                                 e.nearestwaypoint = it;
1927                                 return;
1928                         }
1929                 }
1930         });
1931
1932         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1933 }
1934
1935 void waypoint_spawnforitem(entity e)
1936 {
1937         if(!bot_waypoints_for_items)
1938                 return;
1939
1940         waypoint_spawnforitem_force(e, e.origin);
1941 }
1942
1943 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1944 {
1945         entity w;
1946         entity dw;
1947         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag);
1948         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1949         // one way link to the destination
1950         w.wp00_original = dw;
1951         w.wp00 = dw;
1952         w.wp00mincost = timetaken; // this is just for jump pads
1953         // the teleporter's nearest spawnfunc_waypoint is this one
1954         // (teleporters are not goals, so this is probably useless)
1955         e.nearestwaypoint = w;
1956         e.nearestwaypointtimeout = -1;
1957 }
1958
1959 void waypoint_spawnforteleporter_wz(entity e, entity tracetest_ent)
1960 {
1961         float src_angle = e.warpzone_angles.x;
1962         while (src_angle < -180) src_angle += 360;
1963         while (src_angle > 180) src_angle -= 360;
1964
1965         float dest_angle = e.enemy.warpzone_angles.x;
1966         while (dest_angle < -180) dest_angle += 360;
1967         while (dest_angle > 180) dest_angle -= 360;
1968
1969         // no waypoints for warpzones pointing upwards, they can't be used by the bots
1970         if (src_angle == -90 || dest_angle == -90)
1971                 return;
1972
1973         makevectors(e.warpzone_angles);
1974         vector src = (e.absmin + e.absmax) * 0.5;
1975         src += ((e.warpzone_origin - src) * v_forward) * v_forward + 16 * v_right;
1976         vector down_dir_src = -v_up;
1977
1978         makevectors(e.enemy.warpzone_angles);
1979         vector dest = (e.enemy.absmin + e.enemy.absmax) * 0.5;
1980         dest += ((e.enemy.warpzone_origin - dest) * v_forward) * v_forward - 16 * v_right;
1981         vector down_dir_dest = -v_up;
1982
1983         int extra_flag = 0;
1984         // don't snap to the ground waypoints for source warpzones pointing downwards
1985         if (src_angle != 90)
1986         {
1987                 src = waypoint_fixorigin_down_dir(src, tracetest_ent, down_dir_src);
1988                 dest = waypoint_fixorigin_down_dir(dest, tracetest_ent, down_dir_dest);
1989                 // oblique warpzones need a jump otherwise bots gets stuck
1990                 if (src_angle != 0)
1991                         extra_flag = WAYPOINTFLAG_JUMP;
1992         }
1993
1994         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT | extra_flag, src, src, dest, dest, 0);
1995 }
1996
1997 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
1998 {
1999         destination = waypoint_fixorigin(destination, tracetest_ent);
2000         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);
2001 }
2002
2003 entity waypoint_spawnpersonal(entity this, vector position)
2004 {
2005         entity w;
2006
2007         // drop the waypoint to a proper location:
2008         //   first move it up by a player height
2009         //   then move it down to hit the floor with player bbox size
2010         position = waypoint_fixorigin(position, this);
2011
2012         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
2013         w.nearestwaypoint = NULL;
2014         w.nearestwaypointtimeout = 0;
2015         w.owner = this;
2016
2017         waypoint_schedulerelink(w);
2018
2019         return w;
2020 }
2021
2022 void waypoint_showlink(entity wp1, entity wp2, int display_type)
2023 {
2024         if (!(wp1 && wp2))
2025                 return;
2026
2027         if (waypoint_is_hardwiredlink(wp1, wp2) || wp1.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP))
2028                 te_beam(NULL, wp1.origin, wp2.origin);
2029         else if (display_type == 1)
2030                 te_lightning2(NULL, wp1.origin, wp2.origin);
2031 }
2032
2033 void waypoint_showlinks_to(entity wp, int display_type)
2034 {
2035         IL_EACH(g_waypoints, it != wp,
2036         {
2037                 if (waypoint_islinked(it, wp))
2038                         waypoint_showlink(it, wp, display_type);
2039         });
2040 }
2041
2042 void waypoint_showlinks_from(entity wp, int display_type)
2043 {
2044         waypoint_showlink(wp, wp.wp00, display_type); waypoint_showlink(wp, wp.wp16, display_type);
2045         waypoint_showlink(wp, wp.wp01, display_type); waypoint_showlink(wp, wp.wp17, display_type);
2046         waypoint_showlink(wp, wp.wp02, display_type); waypoint_showlink(wp, wp.wp18, display_type);
2047         waypoint_showlink(wp, wp.wp03, display_type); waypoint_showlink(wp, wp.wp19, display_type);
2048         waypoint_showlink(wp, wp.wp04, display_type); waypoint_showlink(wp, wp.wp20, display_type);
2049         waypoint_showlink(wp, wp.wp05, display_type); waypoint_showlink(wp, wp.wp21, display_type);
2050         waypoint_showlink(wp, wp.wp06, display_type); waypoint_showlink(wp, wp.wp22, display_type);
2051         waypoint_showlink(wp, wp.wp07, display_type); waypoint_showlink(wp, wp.wp23, display_type);
2052         waypoint_showlink(wp, wp.wp08, display_type); waypoint_showlink(wp, wp.wp24, display_type);
2053         waypoint_showlink(wp, wp.wp09, display_type); waypoint_showlink(wp, wp.wp25, display_type);
2054         waypoint_showlink(wp, wp.wp10, display_type); waypoint_showlink(wp, wp.wp26, display_type);
2055         waypoint_showlink(wp, wp.wp11, display_type); waypoint_showlink(wp, wp.wp27, display_type);
2056         waypoint_showlink(wp, wp.wp12, display_type); waypoint_showlink(wp, wp.wp28, display_type);
2057         waypoint_showlink(wp, wp.wp13, display_type); waypoint_showlink(wp, wp.wp29, display_type);
2058         waypoint_showlink(wp, wp.wp14, display_type); waypoint_showlink(wp, wp.wp30, display_type);
2059         waypoint_showlink(wp, wp.wp15, display_type); waypoint_showlink(wp, wp.wp31, display_type);
2060 }
2061
2062 void crosshair_trace_waypoints(entity pl)
2063 {
2064         IL_EACH(g_waypoints, true, {
2065                 it.solid = SOLID_BSP;
2066                 if (!it.wpisbox)
2067                         setsize(it, '-16 -16 -16', '16 16 16');
2068         });
2069
2070         WarpZone_crosshair_trace(pl);
2071
2072         IL_EACH(g_waypoints, true, {
2073                 it.solid = SOLID_TRIGGER;
2074                 if (!it.wpisbox)
2075                         setsize(it, '0 0 0', '0 0 0');
2076         });
2077
2078         if (trace_ent.classname != "waypoint")
2079                 trace_ent = NULL;
2080         else if (!trace_ent.wpisbox)
2081                 trace_endpos = trace_ent.origin;
2082 }
2083
2084 void botframe_showwaypointlinks()
2085 {
2086         if (time < botframe_waypointeditorlightningtime)
2087                 return;
2088         botframe_waypointeditorlightningtime = time + 0.5;
2089         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
2090         {
2091                 int display_type = 0;
2092                 if (wasfreed(it.wp_aimed))
2093                         it.wp_aimed = NULL;
2094                 if (wasfreed(it.wp_locked))
2095                         it.wp_locked = NULL;
2096                 entity head = it.wp_locked;
2097                 if (!head)
2098                         head = navigation_findnearestwaypoint(it, false);
2099                 it.nearestwaypoint = head; // mainly useful for debug
2100                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
2101                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE || it.wp_locked)
2102                         display_type = 1; // default
2103                 else if(waypoint_has_hardwiredlinks(head))
2104                         display_type = 2; // only hardwired
2105
2106                 if (display_type)
2107                 {
2108                         //navigation_testtracewalk = true;
2109                         //print("currently selected WP is ", etos(head), "\n");
2110                         //navigation_testtracewalk = false;
2111                         if (head)
2112                         {
2113                                 te_lightning2(NULL, head.origin, it.origin);
2114                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
2115                                         waypoint_showlinks_to(head, display_type);
2116                                 else
2117                                         waypoint_showlinks_from(head, display_type);
2118                         }
2119                 }
2120                 string str;
2121                 entity wp = NULL;
2122                 if (vdist(vec2(it.velocity), <, autocvar_sv_maxspeed * 1.1))
2123                 {
2124                         crosshair_trace_waypoints(it);
2125                         if (trace_ent)
2126                         {
2127                                 wp = trace_ent;
2128                                 if (wp != it.wp_aimed)
2129                                 {
2130                                         string wp_type_str = waypoint_get_type_name(wp);
2131                                         str = sprintf("\necho Entity %d: %s^7, flags: %d, origin: %s\n", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2132                                         if (wp.wpisbox)
2133                                                 str = strcat(str, sprintf("echo \" absmin: %s, absmax: %s\"\n", vtos(wp.absmin), vtos(wp.absmax)));
2134                                         stuffcmd(it, str);
2135                                         str = sprintf("Entity %d: %s^7\nflags: %d\norigin: %s", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2136                                         if (wp.wpisbox)
2137                                                 str = strcat(str, sprintf(" \nabsmin: %s\nabsmax: %s", vtos(wp.absmin), vtos(wp.absmax)));
2138                                         debug_text_3d(wp.origin, str, 0, 7, '0 0 0');
2139                                 }
2140                         }
2141                 }
2142                 if (it.wp_aimed != wp)
2143                         it.wp_aimed = wp;
2144         });
2145 }
2146
2147 float botframe_autowaypoints_fixdown(vector v)
2148 {
2149         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
2150         if(trace_fraction >= 1)
2151                 return 0;
2152         return 1;
2153 }
2154
2155 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
2156 {
2157         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
2158         {
2159                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
2160                 return 0;
2161         });
2162
2163         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
2164         return 1;
2165 }
2166
2167 // return value:
2168 //    1 = WP created
2169 //    0 = no action needed
2170 //   -1 = temp fail, try from world too
2171 //   -2 = permanent fail, do not retry
2172 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
2173 {
2174         // make it possible to go from p to wp, if we can
2175         // if wp is NULL, nearest is chosen
2176
2177         entity w;
2178         vector porg;
2179         float t, tmin, tmax;
2180         vector o;
2181         vector save;
2182
2183         if(!botframe_autowaypoints_fixdown(p.origin))
2184                 return -2;
2185         porg = trace_endpos;
2186
2187         if(wp)
2188         {
2189                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
2190
2191                 // if wp -> porg, then OK
2192                 float maxdist;
2193                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
2194                 {
2195                         // we may find a better one
2196                         maxdist = vlen(wp.origin - porg);
2197                 }
2198                 else
2199                 {
2200                         // accept any "good"
2201                         maxdist = 2100;
2202                 }
2203
2204                 float bestdist = maxdist;
2205                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WPFLAGMASK_NORELINK),
2206                 {
2207                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
2208                         if(d < bestdist)
2209                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
2210                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
2211                         {
2212                                 bestdist = d;
2213                                 p.(fld) = it;
2214                         }
2215                 });
2216                 if(bestdist < maxdist)
2217                 {
2218                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
2219                         return 0;
2220                 }
2221
2222                 if(bestdist < 2100)
2223                 {
2224                         // we know maxdist < 2100
2225                         // so wp -> porg is still valid
2226                         // all is good
2227                         p.(fld) = wp;
2228                         return 0;
2229                 }
2230
2231                 // otherwise, no existing WP can fix our issues
2232         }
2233         else
2234         {
2235                 save = p.origin;
2236                 setorigin(p, porg);
2237                 w = navigation_findnearestwaypoint(p, walkfromwp);
2238                 setorigin(p, save);
2239                 if(w)
2240                 {
2241                         p.(fld) = w;
2242                         return 0;
2243                 }
2244         }
2245
2246         tmin = 0;
2247         tmax = 1;
2248         for (;;)
2249         {
2250                 if(tmax - tmin < 0.001)
2251                 {
2252                         // did not get a good candidate
2253                         return -1;
2254                 }
2255
2256                 t = (tmin + tmax) * 0.5;
2257                 o = antilag_takebackorigin(p, CS(p), time - t);
2258                 if(!botframe_autowaypoints_fixdown(o))
2259                         return -2;
2260                 o = trace_endpos;
2261
2262                 if(wp)
2263                 {
2264                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
2265                         {
2266                                 // we cannot walk from wp.origin to o
2267                                 // get closer to tmax
2268                                 tmin = t;
2269                                 continue;
2270                         }
2271                 }
2272                 else
2273                 {
2274                         save = p.origin;
2275                         setorigin(p, o);
2276                         w = navigation_findnearestwaypoint(p, walkfromwp);
2277                         setorigin(p, save);
2278                         if(!w)
2279                         {
2280                                 // we cannot walk from any WP to o
2281                                 // get closer to tmax
2282                                 tmin = t;
2283                                 continue;
2284                         }
2285                 }
2286
2287                 // if we get here, o is valid regarding waypoints
2288                 // check if o is connected right to the player
2289                 // we break if it succeeds, as that means o is a good waypoint location
2290                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
2291                         break;
2292
2293                 // o is no good, we need to get closer to the player
2294                 tmax = t;
2295         }
2296
2297         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
2298         botframe_autowaypoints_createwp(o, p, fld, 0);
2299         return 1;
2300 }
2301
2302 // automatically create missing waypoints
2303 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
2304 {
2305         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
2306         if(r != -1)
2307                 return;
2308         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
2309         if(r != -1)
2310                 return;
2311
2312         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
2313         if(!botframe_autowaypoints_fixdown(p.origin))
2314                 return; // shouldn't happen, caught above
2315         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
2316 }
2317
2318 void botframe_deleteuselesswaypoints()
2319 {
2320         IL_EACH(g_items, it.bot_pickup,
2321         {
2322                 // NOTE: this protects waypoints if they're the ONLY nearest
2323                 // waypoint. That's the intention.
2324                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
2325                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
2326         });
2327         IL_EACH(g_waypoints, true,
2328         {
2329                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
2330                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
2331                 // WP is useful if:
2332                 if (it.wpflags & WAYPOINTFLAG_ITEM)
2333                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2334                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
2335                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2336                 if (it.wpflags & WAYPOINTFLAG_LADDER)
2337                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2338                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
2339                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2340                 // b) WP is closest WP for an item/spawnpoint/other entity
2341                 //    This has been done above by protecting these WPs.
2342         });
2343         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
2344         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
2345         {
2346                 for (int m = 0; m < 32; ++m)
2347                 {
2348                         entity w = waypoint_get_link(it, m);
2349                         if (!w)
2350                                 break;
2351                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
2352                                 continue;
2353                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
2354                                 continue;
2355                         for (int j = 0; j < 32; ++j)
2356                         {
2357                                 entity w2 = waypoint_get_link(w, j);
2358                                 if (!w2)
2359                                         break;
2360                                 if (it == w2)
2361                                         continue;
2362                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
2363                                         continue;
2364                                 // If we got here, it != w2 exist with it -> w
2365                                 // and w -> w2. That means the waypoint is not
2366                                 // a dead end.
2367                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
2368                                 for (int k = 0; k < 32; ++k)
2369                                 {
2370                                         if (waypoint_get_link(it, k) == w2)
2371                                                 continue;
2372                                         // IF WE GET HERE, w is proven useful
2373                                         // to get from it to w2!
2374                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
2375                                         goto next;
2376                                 }
2377                         }
2378 LABEL(next)
2379                 }
2380         });
2381         // d) The waypoint is a dead end. Dead end waypoints must be kept as
2382         //     they are needed to complete routes while autowaypointing.
2383
2384         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
2385         {
2386                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
2387                 te_explosion(it.origin);
2388                 waypoint_remove(it);
2389                 break;
2390         });
2391
2392         IL_EACH(g_waypoints, true,
2393         {
2394                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
2395         });
2396 }
2397
2398 //.entity botframe_autowaypoints_lastwp0;
2399 .entity botframe_autowaypoints_lastwp1;
2400 void botframe_autowaypoints()
2401 {
2402         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
2403                 // going back is broken, so only fix waypoints to walk TO the player
2404                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
2405                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
2406                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
2407         });
2408
2409         if (autocvar_g_waypointeditor_auto >= 2) {
2410                 botframe_deleteuselesswaypoints();
2411         }
2412 }
2413