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Merge branch 'terencehill/bot_waypoints' into 'master'
[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/net_linked.qh>
16 #include <common/physics/player.qh>
17
18 #include <lib/warpzone/common.qh>
19 #include <lib/warpzone/util_server.qh>
20
21 .entity spawnpointmodel;
22 void waypoint_unreachable(entity pl)
23 {
24         IL_EACH(g_waypoints, true,
25         {
26                 it.colormod = '0.5 0.5 0.5';
27                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
28         });
29
30         entity e2 = navigation_findnearestwaypoint(pl, false);
31         if(!e2)
32         {
33                 LOG_INFOF("Can't find any waypoint nearby\n");
34                 return;
35         }
36
37         navigation_markroutes(pl, e2);
38
39         int j = 0;
40         int m = 0;
41         IL_EACH(g_waypoints, it.wpcost >= 10000000,
42         {
43                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
44                 it.colormod_z = 8;
45                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
46                 j++;
47                 m++;
48         });
49         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
50         navigation_markroutes_inverted(e2);
51
52         j = 0;
53         IL_EACH(g_waypoints, it.wpcost >= 10000000,
54         {
55                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
56                 it.colormod_x = 8;
57                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
58                         m++;
59                 it.effects |= EF_NODEPTHTEST | EF_RED;
60                 j++;
61         });
62         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
63         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
64
65         j = 0;
66         IL_EACH(g_spawnpoints, true,
67         {
68                 if (navigation_findnearestwaypoint(it, false))
69                 {
70                         if(it.spawnpointmodel)
71                         {
72                                 delete(it.spawnpointmodel);
73                                 it.spawnpointmodel = NULL;
74                         }
75                 }
76                 else
77                 {
78                         if(!it.spawnpointmodel)
79                         {
80                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
81                                 entity e = new(spawnpointmodel);
82                                 vector org = trace_endpos + eZ;
83                                 setorigin(e, org);
84                                 e.solid = SOLID_TRIGGER;
85                                 it.spawnpointmodel = e;
86                         }
87                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
88                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
89                         _setmodel(it.spawnpointmodel, pl.model);
90                         it.spawnpointmodel.frame = pl.frame;
91                         it.spawnpointmodel.skin = pl.skin;
92                         it.spawnpointmodel.colormap = pl.colormap;
93                         it.spawnpointmodel.colormod = pl.colormod;
94                         it.spawnpointmodel.glowmod = pl.glowmod;
95                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
96                         j++;
97                 }
98         });
99         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
100
101         j = 0;
102         IL_EACH(g_items, true,
103         {
104                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
105                 it.colormod = '0.5 0.5 0.5';
106         });
107         IL_EACH(g_items, true,
108         {
109                 if (navigation_findnearestwaypoint(it, false))
110                         continue;
111                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
112                 it.effects |= EF_NODEPTHTEST | EF_RED;
113                 it.colormod_x = 8;
114                 j++;
115         });
116         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
117
118         j = 0;
119         IL_EACH(g_items, true,
120         {
121                 if (navigation_findnearestwaypoint(it, true))
122                         continue;
123                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
124                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
125                 it.colormod_z = 8;
126                 j++;
127         });
128         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
129 }
130
131 vector waypoint_getSymmetricalOrigin(vector org, int ctf_flags)
132 {
133         vector new_org = org;
134         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
135         {
136                 vector map_center = havocbot_middlepoint;
137                 if (autocvar_g_waypointeditor_symmetrical == -1)
138                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
139
140                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
141         }
142         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
143         {
144                 float m = havocbot_symmetry_axis_m;
145                 float q = havocbot_symmetry_axis_q;
146                 if (autocvar_g_waypointeditor_symmetrical == -2)
147                 {
148                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
149                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
150                 }
151
152                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
153                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
154         }
155         new_org.z = org.z;
156         return new_org;
157 }
158
159 void waypoint_setupmodel(entity wp)
160 {
161         if (autocvar_g_waypointeditor)
162         {
163                 // TODO: add some sort of visible box in edit mode for box waypoints
164                 vector m1 = wp.mins;
165                 vector m2 = wp.maxs;
166                 setmodel(wp, MDL_WAYPOINT);
167                 setsize(wp, m1, m2);
168                 wp.effects = EF_LOWPRECISION;
169                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
170                         wp.colormod = '1 0 0';
171                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
172                         wp.colormod = '1 1 0';
173                 else if (wp.wphardwired)
174                         wp.colormod = '0.5 0 1';
175                 else
176                         wp.colormod = '1 1 1';
177         }
178         else
179                 wp.model = "";
180 }
181
182 entity waypoint_spawn(vector m1, vector m2, float f)
183 {
184         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
185         {
186                 vector em1 = m1 - '8 8 8';
187                 vector em2 = m2 + '8 8 8';
188                 IL_EACH(g_waypoints, boxesoverlap(em1, em2, it.absmin, it.absmax),
189                 {
190                         return it;
191                 });
192         }
193         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
194         // otherwise links loaded from file would be applied only to the first destination
195         // waypoint since link format doesn't specify waypoint entities but just positions
196         if((f & WAYPOINTFLAG_GENERATED) && !(f & WAYPOINTFLAG_NORELINK) && m1 == m2)
197         {
198                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
199                 {
200                         return it;
201                 });
202         }
203
204         entity w = new(waypoint);
205         IL_PUSH(g_waypoints, w);
206         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
207         w.wpflags = f;
208         w.solid = SOLID_TRIGGER;
209         setorigin(w, (m1 + m2) * 0.5);
210         setsize(w, m1 - w.origin, m2 - w.origin);
211         if (w.size)
212                 w.wpisbox = true;
213
214         if(!w.wpisbox)
215         {
216                 setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
217                 if(!move_out_of_solid(w))
218                 {
219                         if(!(f & WAYPOINTFLAG_GENERATED))
220                         {
221                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
222                                 delete(w);
223                                 return NULL;
224                         }
225                         else
226                         {
227                                 if(autocvar_developer)
228                                 {
229                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
230                                         backtrace("Waypoint stuck");
231                                 }
232                         }
233                 }
234                 setsize(w, '0 0 0', '0 0 0');
235         }
236
237         waypoint_clearlinks(w);
238         //waypoint_schedulerelink(w);
239
240         waypoint_setupmodel(w);
241
242         return w;
243 }
244
245 void waypoint_spawn_fromeditor(entity pl)
246 {
247         entity e;
248         vector org = pl.origin;
249         int ctf_flags = havocbot_symmetry_origin_order;
250         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
251                    || (autocvar_g_waypointeditor_symmetrical < 0));
252         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
253                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
254         int wp_num = ctf_flags;
255
256         if(!PHYS_INPUT_BUTTON_CROUCH(pl))
257         {
258                 // snap waypoint to item's origin if close enough
259                 IL_EACH(g_items, true,
260                 {
261                         vector item_org = (it.absmin + it.absmax) * 0.5;
262                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
263                         if (vlen(item_org - org) < 20)
264                         {
265                                 org = item_org;
266                                 break;
267                         }
268                 });
269         }
270
271         LABEL(add_wp);
272         e = waypoint_spawn(org, org, 0);
273         if(!e)
274         {
275                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
276                 return;
277         }
278         waypoint_schedulerelink(e);
279         bprint(strcat("Waypoint spawned at ", vtos(e.origin), "\n"));
280         if(sym)
281         {
282                 org = waypoint_getSymmetricalOrigin(e.origin, ctf_flags);
283                 if (vdist(org - pl.origin, >, 32))
284                 {
285                         if(wp_num > 2)
286                                 wp_num--;
287                         else
288                                 sym = false;
289                         goto add_wp;
290                 }
291         }
292 }
293
294 void waypoint_remove(entity wp)
295 {
296         IL_EACH(g_waypoints, it != wp,
297         {
298                 if (waypoint_islinked(it, wp))
299                         waypoint_removelink(it, wp);
300         });
301         delete(wp);
302 }
303
304 void waypoint_remove_fromeditor(entity pl)
305 {
306         entity e = navigation_findnearestwaypoint(pl, false);
307
308         int ctf_flags = havocbot_symmetry_origin_order;
309         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
310                    || (autocvar_g_waypointeditor_symmetrical < 0));
311         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
312                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
313         int wp_num = ctf_flags;
314
315         LABEL(remove_wp);
316         if (!e) return;
317         if (e.wpflags & WAYPOINTFLAG_GENERATED) return;
318
319         if (e.wphardwired)
320         {
321                 LOG_INFO("^1Warning: ^7Removal of hardwired waypoints is not allowed in the editor. Please remove links from/to this waypoint (", vtos(e.origin), ") by hand from maps/", mapname, ".waypoints.hardwired\n");
322                 return;
323         }
324
325         entity wp_sym = NULL;
326         if (sym)
327         {
328                 vector org = waypoint_getSymmetricalOrigin(e.origin, ctf_flags);
329                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
330                         if(vdist(org - it.origin, <, 3))
331                         {
332                                 wp_sym = it;
333                                 break;
334                         }
335                 });
336         }
337
338         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
339         waypoint_remove(e);
340
341         if (sym && wp_sym)
342         {
343                 e = wp_sym;
344                 if(wp_num > 2)
345                         wp_num--;
346                 else
347                         sym = false;
348                 goto remove_wp;
349         }
350 }
351
352 void waypoint_removelink(entity from, entity to)
353 {
354         if (from == to || (from.wpflags & WAYPOINTFLAG_NORELINK))
355                 return;
356
357         bool found = false;
358         if (!found && from.wp00 == to) found = true; if (found) {from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;}
359         if (!found && from.wp01 == to) found = true; if (found) {from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;}
360         if (!found && from.wp02 == to) found = true; if (found) {from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;}
361         if (!found && from.wp03 == to) found = true; if (found) {from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;}
362         if (!found && from.wp04 == to) found = true; if (found) {from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;}
363         if (!found && from.wp05 == to) found = true; if (found) {from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;}
364         if (!found && from.wp06 == to) found = true; if (found) {from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;}
365         if (!found && from.wp07 == to) found = true; if (found) {from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;}
366         if (!found && from.wp08 == to) found = true; if (found) {from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;}
367         if (!found && from.wp09 == to) found = true; if (found) {from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;}
368         if (!found && from.wp10 == to) found = true; if (found) {from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;}
369         if (!found && from.wp11 == to) found = true; if (found) {from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;}
370         if (!found && from.wp12 == to) found = true; if (found) {from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;}
371         if (!found && from.wp13 == to) found = true; if (found) {from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;}
372         if (!found && from.wp14 == to) found = true; if (found) {from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;}
373         if (!found && from.wp15 == to) found = true; if (found) {from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;}
374         if (!found && from.wp16 == to) found = true; if (found) {from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;}
375         if (!found && from.wp17 == to) found = true; if (found) {from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;}
376         if (!found && from.wp18 == to) found = true; if (found) {from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;}
377         if (!found && from.wp19 == to) found = true; if (found) {from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;}
378         if (!found && from.wp20 == to) found = true; if (found) {from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;}
379         if (!found && from.wp21 == to) found = true; if (found) {from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;}
380         if (!found && from.wp22 == to) found = true; if (found) {from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;}
381         if (!found && from.wp23 == to) found = true; if (found) {from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;}
382         if (!found && from.wp24 == to) found = true; if (found) {from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;}
383         if (!found && from.wp25 == to) found = true; if (found) {from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;}
384         if (!found && from.wp26 == to) found = true; if (found) {from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;}
385         if (!found && from.wp27 == to) found = true; if (found) {from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;}
386         if (!found && from.wp28 == to) found = true; if (found) {from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;}
387         if (!found && from.wp29 == to) found = true; if (found) {from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;}
388         if (!found && from.wp30 == to) found = true; if (found) {from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;}
389         if (found) {from.wp31 = NULL; from.wp31mincost = 10000000;}
390 }
391
392 bool waypoint_islinked(entity from, entity to)
393 {
394         if (from.wp00 == to) return true;if (from.wp01 == to) return true;if (from.wp02 == to) return true;if (from.wp03 == to) return true;
395         if (from.wp04 == to) return true;if (from.wp05 == to) return true;if (from.wp06 == to) return true;if (from.wp07 == to) return true;
396         if (from.wp08 == to) return true;if (from.wp09 == to) return true;if (from.wp10 == to) return true;if (from.wp11 == to) return true;
397         if (from.wp12 == to) return true;if (from.wp13 == to) return true;if (from.wp14 == to) return true;if (from.wp15 == to) return true;
398         if (from.wp16 == to) return true;if (from.wp17 == to) return true;if (from.wp18 == to) return true;if (from.wp19 == to) return true;
399         if (from.wp20 == to) return true;if (from.wp21 == to) return true;if (from.wp22 == to) return true;if (from.wp23 == to) return true;
400         if (from.wp24 == to) return true;if (from.wp25 == to) return true;if (from.wp26 == to) return true;if (from.wp27 == to) return true;
401         if (from.wp28 == to) return true;if (from.wp29 == to) return true;if (from.wp30 == to) return true;if (from.wp31 == to) return true;
402         return false;
403 }
404
405 void waypoint_updatecost_foralllinks()
406 {
407         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
408         {
409                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
410                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
411                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
412                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
413                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
414                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
415                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
416                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
417                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
418                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
419                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
420                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
421                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
422                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
423                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
424                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
425                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
426                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
427                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
428                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
429                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
430                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
431                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
432                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
433                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
434                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
435                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
436                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
437                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
438                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
439                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
440                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
441         });
442 }
443
444 float waypoint_getlinearcost(float dist)
445 {
446         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
447                 return dist / (autocvar_sv_maxspeed * 1.25);
448         return dist / autocvar_sv_maxspeed;
449 }
450 float waypoint_getlinearcost_underwater(float dist)
451 {
452         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
453         return dist / (autocvar_sv_maxspeed * 0.7);
454 }
455
456 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
457 {
458         bool submerged_from = navigation_check_submerged_state(from_ent, from);
459         bool submerged_to = navigation_check_submerged_state(to_ent, to);
460
461         if (submerged_from && submerged_to)
462                 return waypoint_getlinearcost_underwater(vlen(to - from));
463
464         float c = waypoint_getlinearcost(vlen(to - from));
465
466         float height = from.z - to.z;
467         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
468         {
469                 float height_cost = sqrt(height / (autocvar_sv_gravity / 2));
470                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
471                 if(height_cost > c)
472                         c = height_cost;
473         }
474
475         if (submerged_from || submerged_to)
476                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
477         return c;
478 }
479
480 float waypoint_getlinkcost(entity from, entity to)
481 {
482         vector v1 = from.origin;
483         vector v2 = to.origin;
484         if (from.wpisbox)
485         {
486                 vector m1 = from.absmin, m2 = from.absmax;
487                 v1.x = bound(m1.x, v2.x, m2.x);
488                 v1.y = bound(m1.y, v2.y, m2.y);
489                 v1.z = bound(m1.z, v2.z, m2.z);
490         }
491         if (to.wpisbox)
492         {
493                 vector m1 = to.absmin, m2 = to.absmax;
494                 v2.x = bound(m1.x, v1.x, m2.x);
495                 v2.y = bound(m1.y, v1.y, m2.y);
496                 v2.z = bound(m1.z, v1.z, m2.z);
497         }
498         return waypoint_gettravelcost(v1, v2, from, to);
499 }
500
501 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
502 // if c == -1 automatically determine cost of the link
503 void waypoint_addlink_customcost(entity from, entity to, float c)
504 {
505         if (from == to || waypoint_islinked(from, to))
506                 return;
507         if (c == -1 && (from.wpflags & WAYPOINTFLAG_NORELINK))
508                 return;
509
510         if(c == -1)
511                 c = waypoint_getlinkcost(from, to);
512
513         if (from.wp31mincost < c) return;
514         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
515         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
516         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
517         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
518         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
519         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
520         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
521         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
522         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
523         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
524         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
525         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
526         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
527         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
528         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
529         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
530         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
531         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
532         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
533         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
534         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
535         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
536         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
537         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
538         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
539         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
540         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
541         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
542         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
543         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
544         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
545         from.wp00 = to;from.wp00mincost = c;return;
546 }
547
548 void waypoint_addlink(entity from, entity to)
549 {
550         waypoint_addlink_customcost(from, to, -1);
551 }
552
553 // relink this spawnfunc_waypoint
554 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
555 // (SLOW!)
556 void waypoint_think(entity this)
557 {
558         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
559         float sv2_height = 0, ev2_height = 0;
560
561         bot_calculate_stepheightvec();
562
563         int dphitcontentsmask_save = this.dphitcontentsmask;
564         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
565
566         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
567
568         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
569         IL_EACH(g_waypoints, this != it,
570         {
571                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
572                 {
573                         waypoint_addlink(this, it);
574                         waypoint_addlink(it, this);
575                 }
576                 else
577                 {
578                         ++relink_total;
579                         if(!checkpvs(this.origin, it))
580                         {
581                                 ++relink_pvsculled;
582                                 continue;
583                         }
584
585                         sv = set_tracewalk_dest_2(this, it.origin);
586                         sv2 = tracewalk_dest;
587                         sv2_height = tracewalk_dest_height;
588                         ev = set_tracewalk_dest_2(it, this.origin);
589                         ev2 = tracewalk_dest;
590                         ev2_height = tracewalk_dest_height;
591
592                         dv = ev - sv;
593                         dv.z = 0;
594                         if(vdist(dv, >=, 1050)) // max search distance in XY
595                         {
596                                 ++relink_lengthculled;
597                                 continue;
598                         }
599
600                         navigation_testtracewalk = 0;
601
602                         //traceline(this.origin, it.origin, false, NULL);
603                         //if (trace_fraction == 1)
604                         if (this.wpisbox)
605                                 relink_walkculled += 0.5;
606                         else
607                         {
608                                 if (tracewalk(this, sv, PL_MIN_CONST, PL_MAX_CONST, ev2, ev2_height, MOVE_NOMONSTERS))
609                                         waypoint_addlink(this, it);
610                                 else
611                                         relink_walkculled += 0.5;
612                         }
613
614                         if (it.wpisbox)
615                                 relink_walkculled += 0.5;
616                         else
617                         {
618                                 if (tracewalk(this, ev, PL_MIN_CONST, PL_MAX_CONST, sv2, sv2_height, MOVE_NOMONSTERS))
619                                         waypoint_addlink(it, this);
620                                 else
621                                         relink_walkculled += 0.5;
622                         }
623                 }
624         });
625         navigation_testtracewalk = 0;
626         this.wplinked = true;
627         this.dphitcontentsmask = dphitcontentsmask_save;
628 }
629
630 void waypoint_clearlinks(entity wp)
631 {
632         // clear links to other waypoints
633         float f = 10000000;
634         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
635         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
636         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
637         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
638
639         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
640         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
641         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
642         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
643
644         wp.wplinked = false;
645 }
646
647 // tell a spawnfunc_waypoint to relink
648 void waypoint_schedulerelink(entity wp)
649 {
650         if (wp == NULL)
651                 return;
652
653         waypoint_setupmodel(wp);
654         wp.wpisbox = vdist(wp.size, >, 0);
655         wp.enemy = NULL;
656         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
657                 wp.owner = NULL;
658         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
659                 waypoint_clearlinks(wp);
660         // schedule an actual relink on next frame
661         setthink(wp, waypoint_think);
662         wp.nextthink = time;
663         wp.effects = EF_LOWPRECISION;
664 }
665
666 // spawnfunc_waypoint map entity
667 spawnfunc(waypoint)
668 {
669         IL_PUSH(g_waypoints, this);
670
671         setorigin(this, this.origin);
672         // schedule a relink after other waypoints have had a chance to spawn
673         waypoint_clearlinks(this);
674         //waypoint_schedulerelink(this);
675 }
676
677 // tell all waypoints to relink
678 // actually this is useful only to update relink_* stats
679 void waypoint_schedulerelinkall()
680 {
681         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
682         IL_EACH(g_waypoints, true,
683         {
684                 waypoint_schedulerelink(it);
685         });
686         waypoint_load_links_hardwired();
687 }
688
689 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
690
691 // Load waypoint links from file
692 bool waypoint_load_links()
693 {
694         string s;
695         float file, tokens, c = 0, found;
696         entity wp_from = NULL, wp_to;
697         vector wp_to_pos, wp_from_pos;
698
699         string gt_ext = GET_GAMETYPE_EXTENSION();
700
701         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
702         file = fopen(filename, FILE_READ);
703
704         if (gt_ext != "" && file < 0)
705         {
706                 // if race waypoint file doesn't exist load the default one
707                 filename = sprintf("maps/%s.waypoints.cache", mapname);
708                 file = fopen(filename, FILE_READ);
709         }
710
711         if (file < 0)
712         {
713                 LOG_TRACE("waypoint links load from ", filename, " failed");
714                 waypoint_schedulerelinkall();
715                 return false;
716         }
717
718         bool parse_comments = true;
719         float ver = 0;
720         string links_time = string_null;
721
722         while ((s = fgets(file)))
723         {
724                 if(parse_comments)
725                 {
726                         if(substring(s, 0, 2) == "//")
727                         {
728                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
729                                         ver = stof(substring(s, 19, -1));
730                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
731                                         links_time = substring(s, 16, -1);
732                                 continue;
733                         }
734                         else
735                         {
736                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
737                                 {
738                                         if (links_time != waypoint_time)
739                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
740                                         else
741                                                 LOG_TRACE("waypoint links for this map are outdated.");
742                                         if (g_assault)
743                                         {
744                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
745                                         }
746                                         else
747                                         {
748                                                 LOG_TRACE("automatically updating...");
749                                                 waypoint_schedulerelinkall();
750                                                 fclose(file);
751                                                 return false;
752                                         }
753                                 }
754                                 parse_comments = false;
755                         }
756                 }
757
758                 tokens = tokenizebyseparator(s, "*");
759
760                 if (tokens!=2)
761                 {
762                         // bad file format
763                         fclose(file);
764                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
765                         return false;
766                 }
767
768                 wp_from_pos     = stov(argv(0));
769                 wp_to_pos       = stov(argv(1));
770
771                 // Search "from" waypoint
772                 if(!wp_from || wp_from.origin!=wp_from_pos)
773                 {
774                         wp_from = findradius(wp_from_pos, 1);
775                         found = false;
776                         while(wp_from)
777                         {
778                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
779                                 if(wp_from.classname == "waypoint")
780                                 {
781                                         found = true;
782                                         break;
783                                 }
784                                 wp_from = wp_from.chain;
785                         }
786
787                         if(!found)
788                         {
789                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
790                                 continue;
791                         }
792                 }
793
794                 // Search "to" waypoint
795                 wp_to = findradius(wp_to_pos, 1);
796                 found = false;
797                 while(wp_to)
798                 {
799                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
800                         if(wp_to.classname == "waypoint")
801                         {
802                                 found = true;
803                                 break;
804                         }
805                         wp_to = wp_to.chain;
806                 }
807
808                 if(!found)
809                 {
810                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
811                         continue;
812                 }
813
814                 ++c;
815                 waypoint_addlink(wp_from, wp_to);
816         }
817
818         fclose(file);
819
820         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
821
822         bool scheduled = false;
823         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
824         {
825                 if (!it.wp00)
826                 {
827                         waypoint_schedulerelink(it);
828                         scheduled = true;
829                 }
830         });
831         if (scheduled)
832                 return false;
833
834         botframe_cachedwaypointlinks = true;
835         return true;
836 }
837
838 void waypoint_load_or_remove_links_hardwired(bool removal_mode)
839 {
840         string s;
841         float file, tokens, c = 0, found;
842         entity wp_from = NULL, wp_to;
843         vector wp_to_pos, wp_from_pos;
844
845         string gt_ext = GET_GAMETYPE_EXTENSION();
846
847         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
848         file = fopen(filename, FILE_READ);
849
850         if (gt_ext != "" && file < 0)
851         {
852                 // if race waypoint file doesn't exist load the default one
853                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
854                 file = fopen(filename, FILE_READ);
855         }
856
857         botframe_loadedforcedlinks = true;
858
859         if (file < 0)
860         {
861                 if(!removal_mode)
862                         LOG_TRACE("waypoint links load from ", filename, " failed");
863                 return;
864         }
865
866         while ((s = fgets(file)))
867         {
868                 if(substring(s, 0, 2)=="//")
869                         continue;
870
871                 if(substring(s, 0, 1)=="#")
872                         continue;
873
874                 tokens = tokenizebyseparator(s, "*");
875
876                 if (tokens!=2)
877                         continue;
878
879                 wp_from_pos     = stov(argv(0));
880                 wp_to_pos       = stov(argv(1));
881
882                 // Search "from" waypoint
883                 if(!wp_from || wp_from.origin!=wp_from_pos)
884                 {
885                         wp_from = findradius(wp_from_pos, 5);
886                         found = false;
887                         while(wp_from)
888                         {
889                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
890                                 if(wp_from.classname == "waypoint")
891                                 {
892                                         found = true;
893                                         break;
894                                 }
895                                 wp_from = wp_from.chain;
896                         }
897
898                         if(!found)
899                         {
900                                 if(!removal_mode)
901                                         LOG_INFO("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped");
902                                 continue;
903                         }
904                 }
905
906                 // Search "to" waypoint
907                 wp_to = findradius(wp_to_pos, 5);
908                 found = false;
909                 while(wp_to)
910                 {
911                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
912                         if(wp_to.classname == "waypoint")
913                         {
914                                 found = true;
915                                 break;
916                         }
917                         wp_to = wp_to.chain;
918                 }
919
920                 if(!found)
921                 {
922                         if(!removal_mode)
923                                 LOG_INFO("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped");
924                         continue;
925                 }
926
927                 ++c;
928                 if(removal_mode)
929                 {
930                         waypoint_removelink(wp_from, wp_to);
931                         continue;
932                 }
933
934                 waypoint_addlink(wp_from, wp_to);
935                 wp_from.wphardwired = true;
936                 wp_to.wphardwired = true;
937                 waypoint_setupmodel(wp_from);
938                 waypoint_setupmodel(wp_to);
939         }
940
941         fclose(file);
942
943         LOG_TRACE(((removal_mode) ? "unloaded " : "loaded "),
944                 ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
945 }
946
947 entity waypoint_get_link(entity w, float i)
948 {
949         switch(i)
950         {
951                 case  0:return w.wp00;
952                 case  1:return w.wp01;
953                 case  2:return w.wp02;
954                 case  3:return w.wp03;
955                 case  4:return w.wp04;
956                 case  5:return w.wp05;
957                 case  6:return w.wp06;
958                 case  7:return w.wp07;
959                 case  8:return w.wp08;
960                 case  9:return w.wp09;
961                 case 10:return w.wp10;
962                 case 11:return w.wp11;
963                 case 12:return w.wp12;
964                 case 13:return w.wp13;
965                 case 14:return w.wp14;
966                 case 15:return w.wp15;
967                 case 16:return w.wp16;
968                 case 17:return w.wp17;
969                 case 18:return w.wp18;
970                 case 19:return w.wp19;
971                 case 20:return w.wp20;
972                 case 21:return w.wp21;
973                 case 22:return w.wp22;
974                 case 23:return w.wp23;
975                 case 24:return w.wp24;
976                 case 25:return w.wp25;
977                 case 26:return w.wp26;
978                 case 27:return w.wp27;
979                 case 28:return w.wp28;
980                 case 29:return w.wp29;
981                 case 30:return w.wp30;
982                 case 31:return w.wp31;
983                 default:return NULL;
984         }
985 }
986
987 // Save all waypoint links to a file
988 void waypoint_save_links()
989 {
990         // temporarily remove hardwired links so they don't get saved among normal links
991         waypoint_remove_links_hardwired();
992
993         string gt_ext = GET_GAMETYPE_EXTENSION();
994
995         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
996         int file = fopen(filename, FILE_WRITE);
997         if (file < 0)
998         {
999                 LOG_INFOF("waypoint link save to %s failed", filename);
1000                 return;
1001         }
1002
1003         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1004         if (waypoint_time != "")
1005                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1006
1007         int c = 0;
1008         IL_EACH(g_waypoints, true,
1009         {
1010                 for(int j = 0; j < 32; ++j)
1011                 {
1012                         entity link = waypoint_get_link(it, j);
1013                         if(link)
1014                         {
1015                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1016                                 fputs(file, s);
1017                                 ++c;
1018                         }
1019                 }
1020         });
1021         fclose(file);
1022
1023         botframe_cachedwaypointlinks = true;
1024
1025         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1026
1027         waypoint_load_links_hardwired();
1028 }
1029
1030 // save waypoints to gamedir/data/maps/mapname.waypoints
1031 void waypoint_saveall()
1032 {
1033         string gt_ext = GET_GAMETYPE_EXTENSION();
1034
1035         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1036         int file = fopen(filename, FILE_WRITE);
1037         if (file < 0)
1038         {
1039                 waypoint_save_links(); // save anyway?
1040                 botframe_loadedforcedlinks = false;
1041
1042                 LOG_INFOF("waypoint links: save to %s failed", filename);
1043                 return;
1044         }
1045
1046         float sym = autocvar_g_waypointeditor_symmetrical;
1047         string sym_str = ftos(sym);
1048         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1049         {
1050                 if (sym == 1)
1051                 {
1052                         sym_str = cons(sym_str, "-");
1053                         sym_str = cons(sym_str, "-");
1054                 }
1055                 else
1056                 {
1057                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1058                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1059                 }
1060                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1061                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1062         }
1063         else if (autocvar_g_waypointeditor_symmetrical == -2)
1064         {
1065                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1066                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1067         }
1068
1069         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1070         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1071         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1072         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1073
1074         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1075         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1076         //fputs(file, strcat("//", "\n"));
1077         //fputs(file, strcat("//", "\n"));
1078         //fputs(file, strcat("//", "\n"));
1079
1080         int c = 0;
1081         IL_EACH(g_waypoints, true,
1082         {
1083                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1084                         continue;
1085
1086                 string s;
1087                 s = strcat(vtos(it.origin + it.mins), "\n");
1088                 s = strcat(s, vtos(it.origin + it.maxs));
1089                 s = strcat(s, "\n");
1090                 s = strcat(s, ftos(it.wpflags));
1091                 s = strcat(s, "\n");
1092                 fputs(file, s);
1093                 c++;
1094         });
1095         fclose(file);
1096         waypoint_save_links();
1097         botframe_loadedforcedlinks = false;
1098
1099         LOG_INFOF("saved %d waypoints to %s", c, filename);
1100 }
1101
1102 // load waypoints from file
1103 float waypoint_loadall()
1104 {
1105         string s;
1106         float file, cwp, cwb, fl;
1107         vector m1, m2;
1108         cwp = 0;
1109         cwb = 0;
1110
1111         string gt_ext = GET_GAMETYPE_EXTENSION();
1112
1113         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1114         file = fopen(filename, FILE_READ);
1115
1116         if (gt_ext != "" && file < 0)
1117         {
1118                 // if race waypoint file doesn't exist load the default one
1119                 filename = sprintf("maps/%s.waypoints", mapname);
1120                 file = fopen(filename, FILE_READ);
1121         }
1122
1123         if (file < 0)
1124         {
1125                 LOG_TRACE("waypoint load from ", filename, " failed");
1126                 return 0;
1127         }
1128
1129         bool parse_comments = true;
1130         float ver = 0;
1131         float sym = 0;
1132         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1133
1134         while ((s = fgets(file)))
1135         {
1136                 if(parse_comments)
1137                 {
1138                         if(substring(s, 0, 2) == "//")
1139                         {
1140                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1141                                         ver = stof(substring(s, 19, -1));
1142                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1143                                 {
1144                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1145                                         if (tokens) { sym = stof(argv(0)); }
1146                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1147                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1148                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1149                                 }
1150                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1151                                         strcpy(waypoint_time, substring(s, 16, -1));
1152                                 continue;
1153                         }
1154                         else
1155                         {
1156                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1157                                 {
1158                                         LOG_TRACE("waypoints for this map are outdated");
1159                                         LOG_TRACE("please update them in the editor");
1160                                 }
1161                                 parse_comments = false;
1162                         }
1163                 }
1164                 m1 = stov(s);
1165                 s = fgets(file);
1166                 if (!s)
1167                         break;
1168                 m2 = stov(s);
1169                 s = fgets(file);
1170                 if (!s)
1171                         break;
1172                 fl = stof(s);
1173                 waypoint_spawn(m1, m2, fl);
1174                 if (m1 == m2)
1175                         cwp = cwp + 1;
1176                 else
1177                         cwb = cwb + 1;
1178         }
1179         fclose(file);
1180         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1181
1182         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1183         {
1184                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1185                 if (sym == 1 && sym_param3 < 2)
1186                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1187                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1188                 {
1189                         string params;
1190                         if (sym == 1)
1191                                 params = cons("-", "-");
1192                         else
1193                         {
1194                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1195                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1196                         }
1197                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1198                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1199                 }
1200                 else if (sym == -2)
1201                 {
1202                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1203                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1204                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym), " with axis ", params);
1205                 }
1206                 else
1207                         LOG_INFO("Waypoint editor: loaded symmetry ", ftos(sym));
1208                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1209         }
1210
1211         return cwp + cwb;
1212 }
1213
1214 #define waypoint_fixorigin(position, tracetest_ent) \
1215         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1216
1217 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1218 {
1219         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, position + down_dir * 3000, MOVE_NOMONSTERS, tracetest_ent);
1220         if(trace_startsolid)
1221                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, position + down_dir * 3000, MOVE_NOMONSTERS, tracetest_ent);
1222         if(trace_startsolid)
1223                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, position + down_dir * 3000, MOVE_NOMONSTERS, tracetest_ent);
1224         if(trace_fraction < 1)
1225                 position = trace_endpos;
1226         return position;
1227 }
1228
1229 void waypoint_spawnforitem_force(entity e, vector org)
1230 {
1231         // Fix the waypoint altitude if necessary
1232         org = waypoint_fixorigin(org, NULL);
1233
1234         // don't spawn an item spawnfunc_waypoint if it already exists
1235         IL_EACH(g_waypoints, true,
1236         {
1237                 if(it.wpisbox)
1238                 {
1239                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1240                         {
1241                                 e.nearestwaypoint = it;
1242                                 return;
1243                         }
1244                 }
1245                 else
1246                 {
1247                         if(vdist(it.origin - org, <, 16))
1248                         {
1249                                 e.nearestwaypoint = it;
1250                                 return;
1251                         }
1252                 }
1253         });
1254
1255         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1256 }
1257
1258 void waypoint_spawnforitem(entity e)
1259 {
1260         if(!bot_waypoints_for_items)
1261                 return;
1262
1263         waypoint_spawnforitem_force(e, e.origin);
1264 }
1265
1266 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
1267 {
1268         entity w;
1269         entity dw;
1270         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag | WAYPOINTFLAG_NORELINK);
1271         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
1272         // one way link to the destination
1273         w.wp00 = dw;
1274         w.wp00mincost = timetaken; // this is just for jump pads
1275         // the teleporter's nearest spawnfunc_waypoint is this one
1276         // (teleporters are not goals, so this is probably useless)
1277         e.nearestwaypoint = w;
1278         e.nearestwaypointtimeout = -1;
1279 }
1280
1281 void waypoint_spawnforteleporter_wz(entity e, vector org, vector destination, float timetaken, vector down_dir, entity tracetest_ent)
1282 {
1283         // warpzones with oblique warp plane rely on down_dir to snap waypoints
1284         // to the ground without leaving the warp plane
1285         // warpzones with horizontal warp plane (down_dir.x == -1) generate
1286         // destination waypoint snapped to the ground (leaving warpzone), source
1287         // waypoint in the center of the warp plane
1288         if(down_dir.x != -1)
1289                 org = waypoint_fixorigin_down_dir(org, tracetest_ent, down_dir);
1290         if(down_dir.x == -1)
1291                 down_dir = '0 0 -1';
1292         destination = waypoint_fixorigin_down_dir(destination, tracetest_ent, down_dir);
1293         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT, org, org, destination, destination, timetaken);
1294 }
1295
1296 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
1297 {
1298         destination = waypoint_fixorigin(destination, tracetest_ent);
1299         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);
1300 }
1301
1302 entity waypoint_spawnpersonal(entity this, vector position)
1303 {
1304         entity w;
1305
1306         // drop the waypoint to a proper location:
1307         //   first move it up by a player height
1308         //   then move it down to hit the floor with player bbox size
1309         position = waypoint_fixorigin(position, this);
1310
1311         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1312         w.nearestwaypoint = NULL;
1313         w.nearestwaypointtimeout = 0;
1314         w.owner = this;
1315
1316         waypoint_schedulerelink(w);
1317
1318         return w;
1319 }
1320
1321 void waypoint_showlink(entity wp1, entity wp2, int display_type)
1322 {
1323         if (!(wp1 && wp2))
1324                 return;
1325
1326         if (wp1.wphardwired && wp2.wphardwired)
1327                 te_beam(NULL, wp1.origin, wp2.origin);
1328         else if (display_type == 1)
1329                 te_lightning2(NULL, wp1.origin, wp2.origin);
1330 }
1331
1332 void waypoint_showlinks_to(entity wp, int display_type)
1333 {
1334         IL_EACH(g_waypoints, it != wp,
1335         {
1336                 if (waypoint_islinked(it, wp))
1337                         waypoint_showlink(it, wp, display_type);
1338         });
1339 }
1340
1341 void waypoint_showlinks_from(entity wp, int display_type)
1342 {
1343         waypoint_showlink(wp.wp00, wp, display_type); waypoint_showlink(wp.wp16, wp, display_type);
1344         waypoint_showlink(wp.wp01, wp, display_type); waypoint_showlink(wp.wp17, wp, display_type);
1345         waypoint_showlink(wp.wp02, wp, display_type); waypoint_showlink(wp.wp18, wp, display_type);
1346         waypoint_showlink(wp.wp03, wp, display_type); waypoint_showlink(wp.wp19, wp, display_type);
1347         waypoint_showlink(wp.wp04, wp, display_type); waypoint_showlink(wp.wp20, wp, display_type);
1348         waypoint_showlink(wp.wp05, wp, display_type); waypoint_showlink(wp.wp21, wp, display_type);
1349         waypoint_showlink(wp.wp06, wp, display_type); waypoint_showlink(wp.wp22, wp, display_type);
1350         waypoint_showlink(wp.wp07, wp, display_type); waypoint_showlink(wp.wp23, wp, display_type);
1351         waypoint_showlink(wp.wp08, wp, display_type); waypoint_showlink(wp.wp24, wp, display_type);
1352         waypoint_showlink(wp.wp09, wp, display_type); waypoint_showlink(wp.wp25, wp, display_type);
1353         waypoint_showlink(wp.wp10, wp, display_type); waypoint_showlink(wp.wp26, wp, display_type);
1354         waypoint_showlink(wp.wp11, wp, display_type); waypoint_showlink(wp.wp27, wp, display_type);
1355         waypoint_showlink(wp.wp12, wp, display_type); waypoint_showlink(wp.wp28, wp, display_type);
1356         waypoint_showlink(wp.wp13, wp, display_type); waypoint_showlink(wp.wp29, wp, display_type);
1357         waypoint_showlink(wp.wp14, wp, display_type); waypoint_showlink(wp.wp30, wp, display_type);
1358         waypoint_showlink(wp.wp15, wp, display_type); waypoint_showlink(wp.wp31, wp, display_type);
1359 }
1360
1361 void botframe_showwaypointlinks()
1362 {
1363         if (time < botframe_waypointeditorlightningtime)
1364                 return;
1365         botframe_waypointeditorlightningtime = time + 0.5;
1366         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
1367         {
1368                 int display_type = 0;
1369                 entity head = navigation_findnearestwaypoint(it, false);
1370                 it.nearestwaypoint = head; // mainly useful for debug
1371                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
1372                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE)
1373                         display_type = 1; // default
1374                 else if(head && (head.wphardwired))
1375                         display_type = 2; // only hardwired
1376
1377                 if (display_type)
1378                 {
1379                         //navigation_testtracewalk = true;
1380                         //print("currently selected WP is ", etos(head), "\n");
1381                         //navigation_testtracewalk = false;
1382                         if (head)
1383                         {
1384                                 te_lightning2(NULL, head.origin, it.origin);
1385                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
1386                                         waypoint_showlinks_to(head, display_type);
1387                                 else
1388                                         waypoint_showlinks_from(head, display_type);
1389                         }
1390                 }
1391         });
1392 }
1393
1394 float botframe_autowaypoints_fixdown(vector v)
1395 {
1396         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
1397         if(trace_fraction >= 1)
1398                 return 0;
1399         return 1;
1400 }
1401
1402 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
1403 {
1404         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
1405         {
1406                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
1407                 return 0;
1408         });
1409
1410         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
1411         return 1;
1412 }
1413
1414 // return value:
1415 //    1 = WP created
1416 //    0 = no action needed
1417 //   -1 = temp fail, try from world too
1418 //   -2 = permanent fail, do not retry
1419 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
1420 {
1421         // make it possible to go from p to wp, if we can
1422         // if wp is NULL, nearest is chosen
1423
1424         entity w;
1425         vector porg;
1426         float t, tmin, tmax;
1427         vector o;
1428         vector save;
1429
1430         if(!botframe_autowaypoints_fixdown(p.origin))
1431                 return -2;
1432         porg = trace_endpos;
1433
1434         if(wp)
1435         {
1436                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
1437
1438                 // if wp -> porg, then OK
1439                 float maxdist;
1440                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
1441                 {
1442                         // we may find a better one
1443                         maxdist = vlen(wp.origin - porg);
1444                 }
1445                 else
1446                 {
1447                         // accept any "good"
1448                         maxdist = 2100;
1449                 }
1450
1451                 float bestdist = maxdist;
1452                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WAYPOINTFLAG_NORELINK),
1453                 {
1454                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
1455                         if(d < bestdist)
1456                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
1457                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
1458                         {
1459                                 bestdist = d;
1460                                 p.(fld) = it;
1461                         }
1462                 });
1463                 if(bestdist < maxdist)
1464                 {
1465                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
1466                         return 0;
1467                 }
1468
1469                 if(bestdist < 2100)
1470                 {
1471                         // we know maxdist < 2100
1472                         // so wp -> porg is still valid
1473                         // all is good
1474                         p.(fld) = wp;
1475                         return 0;
1476                 }
1477
1478                 // otherwise, no existing WP can fix our issues
1479         }
1480         else
1481         {
1482                 save = p.origin;
1483                 setorigin(p, porg);
1484                 w = navigation_findnearestwaypoint(p, walkfromwp);
1485                 setorigin(p, save);
1486                 if(w)
1487                 {
1488                         p.(fld) = w;
1489                         return 0;
1490                 }
1491         }
1492
1493         tmin = 0;
1494         tmax = 1;
1495         for (;;)
1496         {
1497                 if(tmax - tmin < 0.001)
1498                 {
1499                         // did not get a good candidate
1500                         return -1;
1501                 }
1502
1503                 t = (tmin + tmax) * 0.5;
1504                 o = antilag_takebackorigin(p, CS(p), time - t);
1505                 if(!botframe_autowaypoints_fixdown(o))
1506                         return -2;
1507                 o = trace_endpos;
1508
1509                 if(wp)
1510                 {
1511                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
1512                         {
1513                                 // we cannot walk from wp.origin to o
1514                                 // get closer to tmax
1515                                 tmin = t;
1516                                 continue;
1517                         }
1518                 }
1519                 else
1520                 {
1521                         save = p.origin;
1522                         setorigin(p, o);
1523                         w = navigation_findnearestwaypoint(p, walkfromwp);
1524                         setorigin(p, save);
1525                         if(!w)
1526                         {
1527                                 // we cannot walk from any WP to o
1528                                 // get closer to tmax
1529                                 tmin = t;
1530                                 continue;
1531                         }
1532                 }
1533
1534                 // if we get here, o is valid regarding waypoints
1535                 // check if o is connected right to the player
1536                 // we break if it succeeds, as that means o is a good waypoint location
1537                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
1538                         break;
1539
1540                 // o is no good, we need to get closer to the player
1541                 tmax = t;
1542         }
1543
1544         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
1545         botframe_autowaypoints_createwp(o, p, fld, 0);
1546         return 1;
1547 }
1548
1549 // automatically create missing waypoints
1550 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
1551 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
1552 {
1553         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
1554         if(r != -1)
1555                 return;
1556         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
1557         if(r != -1)
1558                 return;
1559
1560         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
1561         if(!botframe_autowaypoints_fixdown(p.origin))
1562                 return; // shouldn't happen, caught above
1563         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
1564 }
1565
1566 void botframe_deleteuselesswaypoints()
1567 {
1568         IL_EACH(g_items, it.bot_pickup,
1569         {
1570                 // NOTE: this protects waypoints if they're the ONLY nearest
1571                 // waypoint. That's the intention.
1572                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
1573                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
1574         });
1575         IL_EACH(g_waypoints, true,
1576         {
1577                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
1578                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
1579                 // WP is useful if:
1580                 if (it.wpflags & WAYPOINTFLAG_ITEM)
1581                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1582                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
1583                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1584                 if (it.wpflags & WAYPOINTFLAG_LADDER)
1585                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1586                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
1587                         it.wpflags |= WAYPOINTFLAG_USEFUL;
1588                 // b) WP is closest WP for an item/spawnpoint/other entity
1589                 //    This has been done above by protecting these WPs.
1590         });
1591         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
1592         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
1593         {
1594                 for (int m = 0; m < 32; ++m)
1595                 {
1596                         entity w = waypoint_get_link(it, m);
1597                         if (!w)
1598                                 break;
1599                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
1600                                 continue;
1601                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
1602                                 continue;
1603                         for (int j = 0; j < 32; ++j)
1604                         {
1605                                 entity w2 = waypoint_get_link(w, j);
1606                                 if (!w2)
1607                                         break;
1608                                 if (it == w2)
1609                                         continue;
1610                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
1611                                         continue;
1612                                 // If we got here, it != w2 exist with it -> w
1613                                 // and w -> w2. That means the waypoint is not
1614                                 // a dead end.
1615                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
1616                                 for (int k = 0; k < 32; ++k)
1617                                 {
1618                                         if (waypoint_get_link(it, k) == w2)
1619                                                 continue;
1620                                         // IF WE GET HERE, w is proven useful
1621                                         // to get from it to w2!
1622                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1623                                         goto next;
1624                                 }
1625                         }
1626 LABEL(next)
1627                 }
1628         });
1629         // d) The waypoint is a dead end. Dead end waypoints must be kept as
1630         //     they are needed to complete routes while autowaypointing.
1631
1632         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
1633         {
1634                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
1635                 te_explosion(it.origin);
1636                 waypoint_remove(it);
1637                 break;
1638         });
1639
1640         IL_EACH(g_waypoints, true,
1641         {
1642                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
1643         });
1644 }
1645
1646 void botframe_autowaypoints()
1647 {
1648         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
1649                 // going back is broken, so only fix waypoints to walk TO the player
1650                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
1651                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
1652                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
1653         });
1654
1655         if (autocvar_g_waypointeditor_auto >= 2) {
1656                 botframe_deleteuselesswaypoints();
1657         }
1658 }
1659