Increase the maximum number of mutators
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / bot / default / waypoints.qc
1 #include "waypoints.qh"
2
3 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
4 // them back to it as well
5 // (suitable for spawnfunc_waypoint editor)
6 entity waypoint_spawn(vector m1, vector m2, float f)
7 {
8         entity w;
9         w = find(world, classname, "waypoint");
10
11         if (!(f & WAYPOINTFLAG_PERSONAL))
12         while (w)
13         {
14                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
15                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
16                         return w;
17                 w = find(w, classname, "waypoint");
18         }
19
20         w = spawn();
21         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
22         w.classname = "waypoint";
23         w.wpflags = f;
24         setorigin(w, (m1 + m2) * 0.5);
25         setsize(w, m1 - w.origin, m2 - w.origin);
26         if (vlen(w.size) > 0)
27                 w.wpisbox = true;
28
29         if(!w.wpisbox)
30         {
31                 setsize(w, PL_MIN - '1 1 0', PL_MAX + '1 1 0');
32                 if(!move_out_of_solid(w))
33                 {
34                         if(!(f & WAYPOINTFLAG_GENERATED))
35                         {
36                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin), "\n");
37                                 remove(w);
38                                 return world;
39                         }
40                         else
41                         {
42                                 if(autocvar_developer)
43                                 {
44                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin), "\n");
45                                         backtrace("Waypoint stuck");
46                                 }
47                         }
48                 }
49                 setsize(w, '0 0 0', '0 0 0');
50         }
51
52         waypoint_clearlinks(w);
53         //waypoint_schedulerelink(w);
54
55         if (autocvar_g_waypointeditor)
56         {
57                 m1 = w.mins;
58                 m2 = w.maxs;
59                 setmodel(w, MDL_WAYPOINT); w.effects = EF_LOWPRECISION;
60                 setsize(w, m1, m2);
61                 if (w.wpflags & WAYPOINTFLAG_ITEM)
62                         w.colormod = '1 0 0';
63                 else if (w.wpflags & WAYPOINTFLAG_GENERATED)
64                         w.colormod = '1 1 0';
65                 else
66                         w.colormod = '1 1 1';
67         }
68         else
69                 w.model = "";
70
71         return w;
72 }
73
74 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
75 void waypoint_addlink(entity from, entity to)
76 {
77         float c;
78
79         if (from == to)
80                 return;
81         if (from.wpflags & WAYPOINTFLAG_NORELINK)
82                 return;
83
84         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
85         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
86         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
87         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
88         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
89         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
90         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
91         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
92
93         if (to.wpisbox || from.wpisbox)
94         {
95                 // if either is a box we have to find the nearest points on them to
96                 // calculate the distance properly
97                 vector v1, v2, m1, m2;
98                 v1 = from.origin;
99                 m1 = to.absmin;
100                 m2 = to.absmax;
101                 v1_x = bound(m1_x, v1_x, m2_x);
102                 v1_y = bound(m1_y, v1_y, m2_y);
103                 v1_z = bound(m1_z, v1_z, m2_z);
104                 v2 = to.origin;
105                 m1 = from.absmin;
106                 m2 = from.absmax;
107                 v2_x = bound(m1_x, v2_x, m2_x);
108                 v2_y = bound(m1_y, v2_y, m2_y);
109                 v2_z = bound(m1_z, v2_z, m2_z);
110                 v2 = to.origin;
111                 c = vlen(v2 - v1);
112         }
113         else
114                 c = vlen(to.origin - from.origin);
115
116         if (from.wp31mincost < c) return;
117         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
118         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
119         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
120         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
121         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
122         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
123         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
124         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
125         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
126         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
127         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
128         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
129         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
130         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
131         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
132         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
133         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
134         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
135         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
136         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
137         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
138         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
139         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
140         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
141         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
142         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
143         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
144         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
145         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
146         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
147         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
148         from.wp00 = to;from.wp00mincost = c;return;
149 }
150
151 // relink this spawnfunc_waypoint
152 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
153 // (SLOW!)
154 void waypoint_think()
155 {SELFPARAM();
156         entity e;
157         vector sv, sm1, sm2, ev, em1, em2, dv;
158
159         bot_calculate_stepheightvec();
160
161         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
162
163         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
164         sm1 = self.origin + self.mins;
165         sm2 = self.origin + self.maxs;
166         for(e = world; (e = find(e, classname, "waypoint")); )
167         {
168                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
169                 {
170                         waypoint_addlink(self, e);
171                         waypoint_addlink(e, self);
172                 }
173                 else
174                 {
175                         ++relink_total;
176                         if(!checkpvs(self.origin, e))
177                         {
178                                 ++relink_pvsculled;
179                                 continue;
180                         }
181                         sv = e.origin;
182                         sv.x = bound(sm1_x, sv.x, sm2_x);
183                         sv.y = bound(sm1_y, sv.y, sm2_y);
184                         sv.z = bound(sm1_z, sv.z, sm2_z);
185                         ev = self.origin;
186                         em1 = e.origin + e.mins;
187                         em2 = e.origin + e.maxs;
188                         ev.x = bound(em1_x, ev.x, em2_x);
189                         ev.y = bound(em1_y, ev.y, em2_y);
190                         ev.z = bound(em1_z, ev.z, em2_z);
191                         dv = ev - sv;
192                         dv.z = 0;
193                         if (vlen(dv) >= 1050) // max search distance in XY
194                         {
195                                 ++relink_lengthculled;
196                                 continue;
197                         }
198                         navigation_testtracewalk = 0;
199                         if (!self.wpisbox)
200                         {
201                                 tracebox(sv - PL_MIN.z * '0 0 1', PL_MIN, PL_MAX, sv, false, self);
202                                 if (!trace_startsolid)
203                                 {
204                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
205                                         sv = trace_endpos + '0 0 1';
206                                 }
207                         }
208                         if (!e.wpisbox)
209                         {
210                                 tracebox(ev - PL_MIN.z * '0 0 1', PL_MIN, PL_MAX, ev, false, e);
211                                 if (!trace_startsolid)
212                                 {
213                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
214                                         ev = trace_endpos + '0 0 1';
215                                 }
216                         }
217                         //traceline(self.origin, e.origin, false, world);
218                         //if (trace_fraction == 1)
219                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
220                                 waypoint_addlink(self, e);
221                         else
222                                 relink_walkculled += 0.5;
223                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
224                                 waypoint_addlink(e, self);
225                         else
226                                 relink_walkculled += 0.5;
227                 }
228         }
229         navigation_testtracewalk = 0;
230         self.wplinked = true;
231 }
232
233 void waypoint_clearlinks(entity wp)
234 {
235         // clear links to other waypoints
236         float f;
237         f = 10000000;
238         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = world;
239         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = world;
240         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = world;
241         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = world;
242
243         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
244         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
245         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
246         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
247
248         wp.wplinked = false;
249 }
250
251 // tell a spawnfunc_waypoint to relink
252 void waypoint_schedulerelink(entity wp)
253 {
254         if (wp == world)
255                 return;
256         // TODO: add some sort of visible box in edit mode for box waypoints
257         if (autocvar_g_waypointeditor)
258         {
259                 vector m1, m2;
260                 m1 = wp.mins;
261                 m2 = wp.maxs;
262                 setmodel(wp, MDL_WAYPOINT); wp.effects = EF_LOWPRECISION;
263                 setsize(wp, m1, m2);
264                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
265                         wp.colormod = '1 0 0';
266                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
267                         wp.colormod = '1 1 0';
268                 else
269                         wp.colormod = '1 1 1';
270         }
271         else
272                 wp.model = "";
273         wp.wpisbox = vlen(wp.size) > 0;
274         wp.enemy = world;
275         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
276                 wp.owner = world;
277         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
278                 waypoint_clearlinks(wp);
279         // schedule an actual relink on next frame
280         wp.think = waypoint_think;
281         wp.nextthink = time;
282         wp.effects = EF_LOWPRECISION;
283 }
284
285 // spawnfunc_waypoint map entity
286 spawnfunc(waypoint)
287 {
288         setorigin(self, self.origin);
289         // schedule a relink after other waypoints have had a chance to spawn
290         waypoint_clearlinks(self);
291         //waypoint_schedulerelink(self);
292 }
293
294 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
295 void waypoint_remove(entity e)
296 {
297         // tell all linked waypoints that they need to relink
298         waypoint_schedulerelink(e.wp00);
299         waypoint_schedulerelink(e.wp01);
300         waypoint_schedulerelink(e.wp02);
301         waypoint_schedulerelink(e.wp03);
302         waypoint_schedulerelink(e.wp04);
303         waypoint_schedulerelink(e.wp05);
304         waypoint_schedulerelink(e.wp06);
305         waypoint_schedulerelink(e.wp07);
306         waypoint_schedulerelink(e.wp08);
307         waypoint_schedulerelink(e.wp09);
308         waypoint_schedulerelink(e.wp10);
309         waypoint_schedulerelink(e.wp11);
310         waypoint_schedulerelink(e.wp12);
311         waypoint_schedulerelink(e.wp13);
312         waypoint_schedulerelink(e.wp14);
313         waypoint_schedulerelink(e.wp15);
314         waypoint_schedulerelink(e.wp16);
315         waypoint_schedulerelink(e.wp17);
316         waypoint_schedulerelink(e.wp18);
317         waypoint_schedulerelink(e.wp19);
318         waypoint_schedulerelink(e.wp20);
319         waypoint_schedulerelink(e.wp21);
320         waypoint_schedulerelink(e.wp22);
321         waypoint_schedulerelink(e.wp23);
322         waypoint_schedulerelink(e.wp24);
323         waypoint_schedulerelink(e.wp25);
324         waypoint_schedulerelink(e.wp26);
325         waypoint_schedulerelink(e.wp27);
326         waypoint_schedulerelink(e.wp28);
327         waypoint_schedulerelink(e.wp29);
328         waypoint_schedulerelink(e.wp30);
329         waypoint_schedulerelink(e.wp31);
330         // and now remove the spawnfunc_waypoint
331         remove(e);
332 }
333
334 // empties the map of waypoints
335 void waypoint_removeall()
336 {
337         entity head, next;
338         head = findchain(classname, "waypoint");
339         while (head)
340         {
341                 next = head.chain;
342                 remove(head);
343                 head = next;
344         }
345 }
346
347 // tell all waypoints to relink
348 // (is this useful at all?)
349 void waypoint_schedulerelinkall()
350 {
351         entity head;
352         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
353         head = findchain(classname, "waypoint");
354         while (head)
355         {
356                 waypoint_schedulerelink(head);
357                 head = head.chain;
358         }
359 }
360
361 // Load waypoint links from file
362 float waypoint_load_links()
363 {
364         string filename, s;
365         float file, tokens, c = 0, found;
366         entity wp_from = world, wp_to;
367         vector wp_to_pos, wp_from_pos;
368         filename = strcat("maps/", mapname);
369         filename = strcat(filename, ".waypoints.cache");
370         file = fopen(filename, FILE_READ);
371
372         if (file < 0)
373         {
374                 LOG_TRACE("waypoint links load from ");
375                 LOG_TRACE(filename);
376                 LOG_TRACE(" failed\n");
377                 return false;
378         }
379
380         while ((s = fgets(file)))
381         {
382                 tokens = tokenizebyseparator(s, "*");
383
384                 if (tokens!=2)
385                 {
386                         // bad file format
387                         fclose(file);
388                         return false;
389                 }
390
391                 wp_from_pos     = stov(argv(0));
392                 wp_to_pos       = stov(argv(1));
393
394                 // Search "from" waypoint
395                 if(!wp_from || wp_from.origin!=wp_from_pos)
396                 {
397                         wp_from = findradius(wp_from_pos, 1);
398                         found = false;
399                         while(wp_from)
400                         {
401                                 if(vlen(wp_from.origin-wp_from_pos)<1)
402                                 if(wp_from.classname == "waypoint")
403                                 {
404                                         found = true;
405                                         break;
406                                 }
407                                 wp_from = wp_from.chain;
408                         }
409
410                         if(!found)
411                         {
412                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from.origin),"\n");
413                                 continue;
414                         }
415
416                 }
417
418                 // Search "to" waypoint
419                 wp_to = findradius(wp_to_pos, 1);
420                 found = false;
421                 while(wp_to)
422                 {
423                         if(vlen(wp_to.origin-wp_to_pos)<1)
424                         if(wp_to.classname == "waypoint")
425                         {
426                                 found = true;
427                                 break;
428                         }
429                         wp_to = wp_to.chain;
430                 }
431
432                 if(!found)
433                 {
434                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to.origin),"\n");
435                         continue;
436                 }
437
438                 ++c;
439                 waypoint_addlink(wp_from, wp_to);
440         }
441
442         fclose(file);
443
444         LOG_TRACE("loaded ");
445         LOG_TRACE(ftos(c));
446         LOG_TRACE(" waypoint links from maps/");
447         LOG_TRACE(mapname);
448         LOG_TRACE(".waypoints.cache\n");
449
450         botframe_cachedwaypointlinks = true;
451         return true;
452 }
453
454 void waypoint_load_links_hardwired()
455 {
456         string filename, s;
457         float file, tokens, c = 0, found;
458         entity wp_from = world, wp_to;
459         vector wp_to_pos, wp_from_pos;
460         filename = strcat("maps/", mapname);
461         filename = strcat(filename, ".waypoints.hardwired");
462         file = fopen(filename, FILE_READ);
463
464         botframe_loadedforcedlinks = true;
465
466         if (file < 0)
467         {
468                 LOG_TRACE("waypoint links load from ");
469                 LOG_TRACE(filename);
470                 LOG_TRACE(" failed\n");
471                 return;
472         }
473
474         while ((s = fgets(file)))
475         {
476                 if(substring(s, 0, 2)=="//")
477                         continue;
478
479                 if(substring(s, 0, 1)=="#")
480                         continue;
481
482                 tokens = tokenizebyseparator(s, "*");
483
484                 if (tokens!=2)
485                         continue;
486
487                 wp_from_pos     = stov(argv(0));
488                 wp_to_pos       = stov(argv(1));
489
490                 // Search "from" waypoint
491                 if(!wp_from || wp_from.origin!=wp_from_pos)
492                 {
493                         wp_from = findradius(wp_from_pos, 5);
494                         found = false;
495                         while(wp_from)
496                         {
497                                 if(vlen(wp_from.origin-wp_from_pos)<5)
498                                 if(wp_from.classname == "waypoint")
499                                 {
500                                         found = true;
501                                         break;
502                                 }
503                                 wp_from = wp_from.chain;
504                         }
505
506                         if(!found)
507                         {
508                                 LOG_INFO(strcat("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped\n"));
509                                 continue;
510                         }
511                 }
512
513                 // Search "to" waypoint
514                 wp_to = findradius(wp_to_pos, 5);
515                 found = false;
516                 while(wp_to)
517                 {
518                         if(vlen(wp_to.origin-wp_to_pos)<5)
519                         if(wp_to.classname == "waypoint")
520                         {
521                                 found = true;
522                                 break;
523                         }
524                         wp_to = wp_to.chain;
525                 }
526
527                 if(!found)
528                 {
529                         LOG_INFO(strcat("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped\n"));
530                         continue;
531                 }
532
533                 ++c;
534                 waypoint_addlink(wp_from, wp_to);
535                 wp_from.wphardwired = true;
536                 wp_to.wphardwired = true;
537         }
538
539         fclose(file);
540
541         LOG_TRACE("loaded ");
542         LOG_TRACE(ftos(c));
543         LOG_TRACE(" waypoint links from maps/");
544         LOG_TRACE(mapname);
545         LOG_TRACE(".waypoints.hardwired\n");
546 }
547
548 entity waypoint_get_link(entity w, float i)
549 {
550         switch(i)
551         {
552                 case  0:return w.wp00;
553                 case  1:return w.wp01;
554                 case  2:return w.wp02;
555                 case  3:return w.wp03;
556                 case  4:return w.wp04;
557                 case  5:return w.wp05;
558                 case  6:return w.wp06;
559                 case  7:return w.wp07;
560                 case  8:return w.wp08;
561                 case  9:return w.wp09;
562                 case 10:return w.wp10;
563                 case 11:return w.wp11;
564                 case 12:return w.wp12;
565                 case 13:return w.wp13;
566                 case 14:return w.wp14;
567                 case 15:return w.wp15;
568                 case 16:return w.wp16;
569                 case 17:return w.wp17;
570                 case 18:return w.wp18;
571                 case 19:return w.wp19;
572                 case 20:return w.wp20;
573                 case 21:return w.wp21;
574                 case 22:return w.wp22;
575                 case 23:return w.wp23;
576                 case 24:return w.wp24;
577                 case 25:return w.wp25;
578                 case 26:return w.wp26;
579                 case 27:return w.wp27;
580                 case 28:return w.wp28;
581                 case 29:return w.wp29;
582                 case 30:return w.wp30;
583                 case 31:return w.wp31;
584                 default:return world;
585         }
586 }
587
588 // Save all waypoint links to a file
589 void waypoint_save_links()
590 {
591         string filename, s;
592         float file, c, i;
593         entity w, link;
594         filename = strcat("maps/", mapname);
595         filename = strcat(filename, ".waypoints.cache");
596         file = fopen(filename, FILE_WRITE);
597         if (file < 0)
598         {
599                 LOG_INFO("waypoint links save to ");
600                 LOG_INFO(filename);
601                 LOG_INFO(" failed\n");
602         }
603         c = 0;
604         w = findchain(classname, "waypoint");
605         while (w)
606         {
607                 for(i=0;i<32;++i)
608                 {
609                         // :S
610                         link = waypoint_get_link(w, i);
611                         if(link==world)
612                                 continue;
613
614                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
615                         fputs(file, s);
616                         ++c;
617                 }
618                 w = w.chain;
619         }
620         fclose(file);
621         botframe_cachedwaypointlinks = true;
622
623         LOG_INFO("saved ");
624         LOG_INFO(ftos(c));
625         LOG_INFO(" waypoints links to maps/");
626         LOG_INFO(mapname);
627         LOG_INFO(".waypoints.cache\n");
628 }
629
630 // save waypoints to gamedir/data/maps/mapname.waypoints
631 void waypoint_saveall()
632 {
633         string filename, s;
634         float file, c;
635         entity w;
636         filename = strcat("maps/", mapname);
637         filename = strcat(filename, ".waypoints");
638         file = fopen(filename, FILE_WRITE);
639         if (file >= 0)
640         {
641                 c = 0;
642                 w = findchain(classname, "waypoint");
643                 while (w)
644                 {
645                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
646                         {
647                                 s = strcat(vtos(w.origin + w.mins), "\n");
648                                 s = strcat(s, vtos(w.origin + w.maxs));
649                                 s = strcat(s, "\n");
650                                 s = strcat(s, ftos(w.wpflags));
651                                 s = strcat(s, "\n");
652                                 fputs(file, s);
653                                 c = c + 1;
654                         }
655                         w = w.chain;
656                 }
657                 fclose(file);
658                 bprint("saved ");
659                 bprint(ftos(c));
660                 bprint(" waypoints to maps/");
661                 bprint(mapname);
662                 bprint(".waypoints\n");
663         }
664         else
665         {
666                 bprint("waypoint save to ");
667                 bprint(filename);
668                 bprint(" failed\n");
669         }
670         waypoint_save_links();
671         botframe_loadedforcedlinks = false;
672 }
673
674 // load waypoints from file
675 float waypoint_loadall()
676 {
677         string filename, s;
678         float file, cwp, cwb, fl;
679         vector m1, m2;
680         cwp = 0;
681         cwb = 0;
682         filename = strcat("maps/", mapname);
683         filename = strcat(filename, ".waypoints");
684         file = fopen(filename, FILE_READ);
685         if (file >= 0)
686         {
687                 while ((s = fgets(file)))
688                 {
689                         m1 = stov(s);
690                         s = fgets(file);
691                         if (!s)
692                                 break;
693                         m2 = stov(s);
694                         s = fgets(file);
695                         if (!s)
696                                 break;
697                         fl = stof(s);
698                         waypoint_spawn(m1, m2, fl);
699                         if (m1 == m2)
700                                 cwp = cwp + 1;
701                         else
702                                 cwb = cwb + 1;
703                 }
704                 fclose(file);
705                 LOG_TRACE("loaded ");
706                 LOG_TRACE(ftos(cwp));
707                 LOG_TRACE(" waypoints and ");
708                 LOG_TRACE(ftos(cwb));
709                 LOG_TRACE(" wayboxes from maps/");
710                 LOG_TRACE(mapname);
711                 LOG_TRACE(".waypoints\n");
712         }
713         else
714         {
715                 LOG_TRACE("waypoint load from ");
716                 LOG_TRACE(filename);
717                 LOG_TRACE(" failed\n");
718         }
719         return cwp + cwb;
720 }
721
722 vector waypoint_fixorigin(vector position)
723 {
724         tracebox(position + '0 0 1' * (1 - PL_MIN.z), PL_MIN, PL_MAX, position + '0 0 -512', MOVE_NOMONSTERS, world);
725         if(trace_fraction < 1)
726                 position = trace_endpos;
727         //traceline(position, position + '0 0 -512', MOVE_NOMONSTERS, world);
728         //print("position is ", ftos(trace_endpos_z - position_z), " above solid\n");
729         return position;
730 }
731
732 void waypoint_spawnforitem_force(entity e, vector org)
733 {
734         entity w;
735
736         // Fix the waypoint altitude if necessary
737         org = waypoint_fixorigin(org);
738
739         // don't spawn an item spawnfunc_waypoint if it already exists
740         w = findchain(classname, "waypoint");
741         while (w)
742         {
743                 if (w.wpisbox)
744                 {
745                         if (boxesoverlap(org, org, w.absmin, w.absmax))
746                         {
747                                 e.nearestwaypoint = w;
748                                 return;
749                         }
750                 }
751                 else
752                 {
753                         if (vlen(w.origin - org) < 16)
754                         {
755                                 e.nearestwaypoint = w;
756                                 return;
757                         }
758                 }
759                 w = w.chain;
760         }
761         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
762 }
763
764 void waypoint_spawnforitem(entity e)
765 {
766         if(!bot_waypoints_for_items)
767                 return;
768
769         waypoint_spawnforitem_force(e, e.origin);
770 }
771
772 void waypoint_spawnforteleporter_boxes(entity e, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
773 {
774         entity w;
775         entity dw;
776         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
777         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
778         // one way link to the destination
779         w.wp00 = dw;
780         w.wp00mincost = timetaken; // this is just for jump pads
781         // the teleporter's nearest spawnfunc_waypoint is this one
782         // (teleporters are not goals, so this is probably useless)
783         e.nearestwaypoint = w;
784         e.nearestwaypointtimeout = time + 1000000000;
785 }
786
787 void waypoint_spawnforteleporter_v(entity e, vector org, vector destination, float timetaken)
788 {
789         org = waypoint_fixorigin(org);
790         destination = waypoint_fixorigin(destination);
791         waypoint_spawnforteleporter_boxes(e, org, org, destination, destination, timetaken);
792 }
793
794 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
795 {
796         destination = waypoint_fixorigin(destination);
797         waypoint_spawnforteleporter_boxes(e, e.absmin, e.absmax, destination, destination, timetaken);
798 }
799
800 entity waypoint_spawnpersonal(vector position)
801 {SELFPARAM();
802         entity w;
803
804         // drop the waypoint to a proper location:
805         //   first move it up by a player height
806         //   then move it down to hit the floor with player bbox size
807         position = waypoint_fixorigin(position);
808
809         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
810         w.nearestwaypoint = world;
811         w.nearestwaypointtimeout = 0;
812         w.owner = self;
813
814         waypoint_schedulerelink(w);
815
816         return w;
817 }
818
819 void botframe_showwaypointlinks()
820 {
821         entity player, head, w;
822         if (time < botframe_waypointeditorlightningtime)
823                 return;
824         botframe_waypointeditorlightningtime = time + 0.5;
825         player = find(world, classname, "player");
826         while (player)
827         {
828                 if (!player.isbot)
829                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
830                 {
831                         //navigation_testtracewalk = true;
832                         head = navigation_findnearestwaypoint(player, false);
833                 //      print("currently selected WP is ", etos(head), "\n");
834                         //navigation_testtracewalk = false;
835                         if (head)
836                         {
837                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
838                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
839                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
840                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
841                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
842                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
843                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
844                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
845                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
846                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
847                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
848                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
849                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
850                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
851                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
852                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
853                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
854                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
855                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
856                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
857                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
858                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
859                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
860                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
861                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
862                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
863                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
864                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
865                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
866                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
867                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
868                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
869                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
870                         }
871                 }
872                 player = find(player, classname, "player");
873         }
874 }
875
876 float botframe_autowaypoints_fixdown(vector v)
877 {
878         tracebox(v, PL_MIN, PL_MAX, v + '0 0 -64', MOVE_NOMONSTERS, world);
879         if(trace_fraction >= 1)
880                 return 0;
881         return 1;
882 }
883
884 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
885 {
886         entity w;
887
888         w = find(world, classname, "waypoint");
889         while (w)
890         {
891                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
892                 if (boxesoverlap(v - '32 32 32', v + '32 32 32', w.absmin, w.absmax))
893                 //if (boxesoverlap(v - '4 4 4', v + '4 4 4', w.absmin, w.absmax))
894                         return 0;
895                 w = find(w, classname, "waypoint");
896         }
897
898         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
899         return 1;
900 }
901
902 // return value:
903 //    1 = WP created
904 //    0 = no action needed
905 //   -1 = temp fail, try from world too
906 //   -2 = permanent fail, do not retry
907 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
908 {
909         // make it possible to go from p to wp, if we can
910         // if wp is world, nearest is chosen
911
912         entity w;
913         vector porg;
914         float t, tmin, tmax;
915         vector o;
916         vector save;
917
918         if(!botframe_autowaypoints_fixdown(p.origin))
919                 return -2;
920         porg = trace_endpos;
921
922         if(wp)
923         {
924                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
925
926                 // if wp -> porg, then OK
927                 float maxdist;
928                 if(navigation_waypoint_will_link(wp.origin, porg, p, walkfromwp, 1050))
929                 {
930                         // we may find a better one
931                         maxdist = vlen(wp.origin - porg);
932                 }
933                 else
934                 {
935                         // accept any "good"
936                         maxdist = 2100;
937                 }
938
939                 float bestdist;
940                 bestdist = maxdist;
941                 w = find(world, classname, "waypoint");
942                 while (w)
943                 {
944                         if(w != wp && !(w.wpflags & WAYPOINTFLAG_NORELINK))
945                         {
946                                 float d;
947                                 d = vlen(wp.origin - w.origin) + vlen(w.origin - porg);
948                                 if(d < bestdist)
949                                         if(navigation_waypoint_will_link(wp.origin, w.origin, p, walkfromwp, 1050))
950                                                 if(navigation_waypoint_will_link(w.origin, porg, p, walkfromwp, 1050))
951                                                 {
952                                                         bestdist = d;
953                                                         p.(fld) = w;
954                                                 }
955                         }
956                         w = find(w, classname, "waypoint");
957                 }
958                 if(bestdist < maxdist)
959                 {
960                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)), "\n");
961                         return 0;
962                 }
963
964                 if(bestdist < 2100)
965                 {
966                         // we know maxdist < 2100
967                         // so wp -> porg is still valid
968                         // all is good
969                         p.(fld) = wp;
970                         return 0;
971                 }
972
973                 // otherwise, no existing WP can fix our issues
974         }
975         else
976         {
977                 save = p.origin;
978                 setorigin(p, porg);
979                 w = navigation_findnearestwaypoint(p, walkfromwp);
980                 setorigin(p, save);
981                 if(w)
982                 {
983                         p.(fld) = w;
984                         return 0;
985                 }
986         }
987
988         tmin = 0;
989         tmax = 1;
990         for (;;)
991         {
992                 if(tmax - tmin < 0.001)
993                 {
994                         // did not get a good candidate
995                         return -1;
996                 }
997
998                 t = (tmin + tmax) * 0.5;
999                 o = antilag_takebackorigin(p, time - t);
1000                 if(!botframe_autowaypoints_fixdown(o))
1001                         return -2;
1002                 o = trace_endpos;
1003
1004                 if(wp)
1005                 {
1006                         if(!navigation_waypoint_will_link(wp.origin, o, p, walkfromwp, 1050))
1007                         {
1008                                 // we cannot walk from wp.origin to o
1009                                 // get closer to tmax
1010                                 tmin = t;
1011                                 continue;
1012                         }
1013                 }
1014                 else
1015                 {
1016                         save = p.origin;
1017                         setorigin(p, o);
1018                         w = navigation_findnearestwaypoint(p, walkfromwp);
1019                         setorigin(p, save);
1020                         if(!w)
1021                         {
1022                                 // we cannot walk from any WP to o
1023                                 // get closer to tmax
1024                                 tmin = t;
1025                                 continue;
1026                         }
1027                 }
1028
1029                 // if we get here, o is valid regarding waypoints
1030                 // check if o is connected right to the player
1031                 // we break if it succeeds, as that means o is a good waypoint location
1032                 if(navigation_waypoint_will_link(o, porg, p, walkfromwp, 1050))
1033                         break;
1034
1035                 // o is no good, we need to get closer to the player
1036                 tmax = t;
1037         }
1038
1039         LOG_INFO("spawning a waypoint for connecting to ", etos(wp), "\n");
1040         botframe_autowaypoints_createwp(o, p, fld, 0);
1041         return 1;
1042 }
1043
1044 // automatically create missing waypoints
1045 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
1046 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
1047 {
1048         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
1049         if(r != -1)
1050                 return;
1051         r = botframe_autowaypoints_fix_from(p, walkfromwp, world, fld);
1052         if(r != -1)
1053                 return;
1054
1055         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain\n");
1056         if(!botframe_autowaypoints_fixdown(p.origin))
1057                 return; // shouldn't happen, caught above
1058         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
1059 }
1060
1061 void botframe_deleteuselesswaypoints()
1062 {
1063         entity w, w1, w2;
1064         float i, j, k;
1065         for (w = world; (w = findfloat(w, bot_pickup, true)); )
1066         {
1067                 // NOTE: this protects waypoints if they're the ONLY nearest
1068                 // waypoint. That's the intention.
1069                 navigation_findnearestwaypoint(w, false);  // Walk TO item.
1070                 navigation_findnearestwaypoint(w, true);  // Walk FROM item.
1071         }
1072         for (w = world; (w = find(w, classname, "waypoint")); )
1073         {
1074                 w.wpflags |= WAYPOINTFLAG_DEAD_END;
1075                 w.wpflags &= ~WAYPOINTFLAG_USEFUL;
1076                 // WP is useful if:
1077                 if (w.wpflags & WAYPOINTFLAG_ITEM)
1078                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1079                 if (w.wpflags & WAYPOINTFLAG_TELEPORT)
1080                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1081                 if (w.wpflags & WAYPOINTFLAG_PROTECTED)
1082                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1083                 // b) WP is closest WP for an item/spawnpoint/other entity
1084                 //    This has been done above by protecting these WPs.
1085         }
1086         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
1087         for (w1 = world; (w1 = find(w1, classname, "waypoint")); )
1088         {
1089                 if (w1.wpflags & WAYPOINTFLAG_PERSONAL)
1090                         continue;
1091                 for (i = 0; i < 32; ++i)
1092                 {
1093                         w = waypoint_get_link(w1, i);
1094                         if (!w)
1095                                 break;
1096                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
1097                                 continue;
1098                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
1099                                 continue;
1100                         for (j = 0; j < 32; ++j)
1101                         {
1102                                 w2 = waypoint_get_link(w, j);
1103                                 if (!w2)
1104                                         break;
1105                                 if (w1 == w2)
1106                                         continue;
1107                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
1108                                         continue;
1109                                 // If we got here, w1 != w2 exist with w1 -> w
1110                                 // and w -> w2. That means the waypoint is not
1111                                 // a dead end.
1112                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
1113                                 for (k = 0; k < 32; ++k)
1114                                 {
1115                                         if (waypoint_get_link(w1, k) == w2)
1116                                                 continue;
1117                                         // IF WE GET HERE, w is proven useful
1118                                         // to get from w1 to w2!
1119                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
1120                                         goto next;
1121                                 }
1122                         }
1123 :next
1124                 }
1125         }
1126         // d) The waypoint is a dead end. Dead end waypoints must be kept as
1127         //     they are needed to complete routes while autowaypointing.
1128
1129         for (w = world; (w = find(w, classname, "waypoint")); )
1130         {
1131                 if (!(w.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)))
1132                 {
1133                         LOG_INFOF("Removed a waypoint at %v. Try again for more!\n", w.origin);
1134                         te_explosion(w.origin);
1135                         waypoint_remove(w);
1136                         break;
1137                 }
1138         }
1139         for (w = world; (w = find(w, classname, "waypoint")); )
1140                 w.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
1141 }
1142
1143 void botframe_autowaypoints()
1144 {
1145         entity p;
1146         FOR_EACH_REALPLAYER(p)
1147         {
1148                 if(p.deadflag)
1149                         continue;
1150                 // going back is broken, so only fix waypoints to walk TO the player
1151                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
1152                 botframe_autowaypoints_fix(p, true, botframe_autowaypoints_lastwp1);
1153                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
1154         }
1155
1156         if (autocvar_g_waypointeditor_auto >= 2) {
1157                 botframe_deleteuselesswaypoints();
1158         }
1159 }
1160