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