Merge remote-tracking branch 'origin/divVerent/allow-override-item-model'
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / bot / waypoints.qc
1 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
2 // them back to it as well
3 // (suitable for spawnfunc_waypoint editor)
4 entity waypoint_spawn(vector m1, vector m2, float f)
5 {
6         entity w;
7         w = find(world, classname, "waypoint");
8
9         if not(f & WAYPOINTFLAG_PERSONAL)
10         while (w)
11         {
12                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
13                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
14                         return w;
15                 w = find(w, classname, "waypoint");
16         }
17
18         w = spawn();
19         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
20         w.classname = "waypoint";
21         w.wpflags = f;
22         setorigin(w, (m1 + m2) * 0.5);
23         setsize(w, m1 - w.origin, m2 - w.origin);
24         if (vlen(w.size) > 0)
25                 w.wpisbox = TRUE;
26
27         if(!w.wpisbox)
28         {
29                 setsize(w, PL_MIN - '1 1 0', PL_MAX + '1 1 0');
30                 if(!move_out_of_solid(w))
31                 {
32                         if(!(f & WAYPOINTFLAG_GENERATED))
33                         {
34                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(w.origin), "\n");
35                                 remove(w);
36                                 return world;
37                         }
38                         else
39                         {
40                                 if(autocvar_developer)
41                                 {
42                                         print("A generated waypoint is stuck in solid at ", vtos(w.origin), "\n");
43                                         backtrace("Waypoint stuck");
44                                 }
45                         }
46                 }
47                 setsize(w, '0 0 0', '0 0 0');
48         }
49
50         waypoint_clearlinks(w);
51         //waypoint_schedulerelink(w);
52
53         if (autocvar_g_waypointeditor)
54         {
55                 m1 = w.mins;
56                 m2 = w.maxs;
57                 setmodel(w, "models/runematch/rune.mdl"); w.effects = EF_LOWPRECISION;
58                 setsize(w, m1, m2);
59                 if (w.wpflags & WAYPOINTFLAG_ITEM)
60                         w.colormod = '1 0 0';
61                 else if (w.wpflags & WAYPOINTFLAG_GENERATED)
62                         w.colormod = '1 1 0';
63                 else
64                         w.colormod = '1 1 1';
65         }
66         else
67                 w.model = "";
68
69         return w;
70 }
71
72 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
73 void waypoint_addlink(entity from, entity to)
74 {
75         float c;
76
77         if (from == to)
78                 return;
79         if (from.wpflags & WAYPOINTFLAG_NORELINK)
80                 return;
81
82         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
83         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
84         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
85         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
86         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
87         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
88         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
89         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
90
91         if (to.wpisbox || from.wpisbox)
92         {
93                 // if either is a box we have to find the nearest points on them to
94                 // calculate the distance properly
95                 vector v1, v2, m1, m2;
96                 v1 = from.origin;
97                 m1 = to.absmin;
98                 m2 = to.absmax;
99                 v1_x = bound(m1_x, v1_x, m2_x);
100                 v1_y = bound(m1_y, v1_y, m2_y);
101                 v1_z = bound(m1_z, v1_z, m2_z);
102                 v2 = to.origin;
103                 m1 = from.absmin;
104                 m2 = from.absmax;
105                 v2_x = bound(m1_x, v2_x, m2_x);
106                 v2_y = bound(m1_y, v2_y, m2_y);
107                 v2_z = bound(m1_z, v2_z, m2_z);
108                 v2 = to.origin;
109                 c = vlen(v2 - v1);
110         }
111         else
112                 c = vlen(to.origin - from.origin);
113
114         if (from.wp31mincost < c) return;
115         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
116         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
117         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
118         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
119         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
120         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
121         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
122         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
123         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
124         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
125         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
126         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
127         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
128         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
129         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
130         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
131         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
132         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
133         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
134         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
135         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
136         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
137         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
138         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
139         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
140         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
141         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
142         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
143         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
144         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
145         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
146         from.wp00 = to;from.wp00mincost = c;return;
147 }
148
149 // relink this spawnfunc_waypoint
150 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
151 // (SLOW!)
152 void waypoint_think()
153 {
154         entity e;
155         vector sv, sm1, sm2, ev, em1, em2, dv;
156
157         bot_calculate_stepheightvec();
158
159         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
160
161         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
162         sm1 = self.origin + self.mins;
163         sm2 = self.origin + self.maxs;
164         for(e = world; (e = find(e, classname, "waypoint")); )
165         {
166                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
167                 {
168                         waypoint_addlink(self, e);
169                         waypoint_addlink(e, self);
170                 }
171                 else
172                 {
173                         ++relink_total;
174                         if(!checkpvs(self.origin, e))
175                         {
176                                 ++relink_pvsculled;
177                                 continue;
178                         }
179                         sv = e.origin;
180                         sv_x = bound(sm1_x, sv_x, sm2_x);
181                         sv_y = bound(sm1_y, sv_y, sm2_y);
182                         sv_z = bound(sm1_z, sv_z, sm2_z);
183                         ev = self.origin;
184                         em1 = e.origin + e.mins;
185                         em2 = e.origin + e.maxs;
186                         ev_x = bound(em1_x, ev_x, em2_x);
187                         ev_y = bound(em1_y, ev_y, em2_y);
188                         ev_z = bound(em1_z, ev_z, em2_z);
189                         dv = ev - sv;
190                         dv_z = 0;
191                         if (vlen(dv) >= 1050) // max search distance in XY
192                         {
193                                 ++relink_lengthculled;
194                                 continue;
195                         }
196                         navigation_testtracewalk = 0;
197                         if (!self.wpisbox)
198                         {
199                                 tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
200                                 if (!trace_startsolid)
201                                 {
202                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
203                                         sv = trace_endpos + '0 0 1';
204                                 }
205                         }
206                         if (!e.wpisbox)
207                         {
208                                 tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
209                                 if (!trace_startsolid)
210                                 {
211                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
212                                         ev = trace_endpos + '0 0 1';
213                                 }
214                         }
215                         //traceline(self.origin, e.origin, FALSE, world);
216                         //if (trace_fraction == 1)
217                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
218                                 waypoint_addlink(self, e);
219                         else
220                                 relink_walkculled += 0.5;
221                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
222                                 waypoint_addlink(e, self);
223                         else
224                                 relink_walkculled += 0.5;
225                 }
226         }
227         navigation_testtracewalk = 0;
228         self.wplinked = TRUE;
229 }
230
231 void waypoint_clearlinks(entity wp)
232 {
233         // clear links to other waypoints
234         float f;
235         f = 10000000;
236         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = world;
237         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = world;
238         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = world;
239         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = world;
240
241         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
242         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
243         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
244         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
245
246         wp.wplinked = FALSE;
247 }
248
249 // tell a spawnfunc_waypoint to relink
250 void waypoint_schedulerelink(entity wp)
251 {
252         if (wp == world)
253                 return;
254         // TODO: add some sort of visible box in edit mode for box waypoints
255         if (autocvar_g_waypointeditor)
256         {
257                 vector m1, m2;
258                 m1 = wp.mins;
259                 m2 = wp.maxs;
260                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
261                 setsize(wp, m1, m2);
262                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
263                         wp.colormod = '1 0 0';
264                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
265                         wp.colormod = '1 1 0';
266                 else
267                         wp.colormod = '1 1 1';
268         }
269         else
270                 wp.model = "";
271         wp.wpisbox = vlen(wp.size) > 0;
272         wp.enemy = world;
273         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
274                 wp.owner = world;
275         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
276                 waypoint_clearlinks(wp);
277         // schedule an actual relink on next frame
278         wp.think = waypoint_think;
279         wp.nextthink = time;
280         wp.effects = EF_LOWPRECISION;
281 }
282
283 // spawnfunc_waypoint map entity
284 void spawnfunc_waypoint()
285 {
286         setorigin(self, self.origin);
287         // schedule a relink after other waypoints have had a chance to spawn
288         waypoint_clearlinks(self);
289         //waypoint_schedulerelink(self);
290 }
291
292 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
293 void waypoint_remove(entity e)
294 {
295         // tell all linked waypoints that they need to relink
296         waypoint_schedulerelink(e.wp00);
297         waypoint_schedulerelink(e.wp01);
298         waypoint_schedulerelink(e.wp02);
299         waypoint_schedulerelink(e.wp03);
300         waypoint_schedulerelink(e.wp04);
301         waypoint_schedulerelink(e.wp05);
302         waypoint_schedulerelink(e.wp06);
303         waypoint_schedulerelink(e.wp07);
304         waypoint_schedulerelink(e.wp08);
305         waypoint_schedulerelink(e.wp09);
306         waypoint_schedulerelink(e.wp10);
307         waypoint_schedulerelink(e.wp11);
308         waypoint_schedulerelink(e.wp12);
309         waypoint_schedulerelink(e.wp13);
310         waypoint_schedulerelink(e.wp14);
311         waypoint_schedulerelink(e.wp15);
312         waypoint_schedulerelink(e.wp16);
313         waypoint_schedulerelink(e.wp17);
314         waypoint_schedulerelink(e.wp18);
315         waypoint_schedulerelink(e.wp19);
316         waypoint_schedulerelink(e.wp20);
317         waypoint_schedulerelink(e.wp21);
318         waypoint_schedulerelink(e.wp22);
319         waypoint_schedulerelink(e.wp23);
320         waypoint_schedulerelink(e.wp24);
321         waypoint_schedulerelink(e.wp25);
322         waypoint_schedulerelink(e.wp26);
323         waypoint_schedulerelink(e.wp27);
324         waypoint_schedulerelink(e.wp28);
325         waypoint_schedulerelink(e.wp29);
326         waypoint_schedulerelink(e.wp30);
327         waypoint_schedulerelink(e.wp31);
328         // and now remove the spawnfunc_waypoint
329         remove(e);
330 }
331
332 // empties the map of waypoints
333 void waypoint_removeall()
334 {
335         entity head, next;
336         head = findchain(classname, "waypoint");
337         while (head)
338         {
339                 next = head.chain;
340                 remove(head);
341                 head = next;
342         }
343 }
344
345 // tell all waypoints to relink
346 // (is this useful at all?)
347 void waypoint_schedulerelinkall()
348 {
349         entity head;
350         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
351         head = findchain(classname, "waypoint");
352         while (head)
353         {
354                 waypoint_schedulerelink(head);
355                 head = head.chain;
356         }
357 }
358
359 // Load waypoint links from file
360 float waypoint_load_links()
361 {
362         string filename, s;
363         float file, tokens, c, found;
364         entity wp_from, wp_to;
365         vector wp_to_pos, wp_from_pos;
366         filename = strcat("maps/", mapname);
367         filename = strcat(filename, ".waypoints.cache");
368         file = fopen(filename, FILE_READ);
369
370         if (file < 0)
371         {
372                 dprint("waypoint links load from ");
373                 dprint(filename);
374                 dprint(" failed\n");
375                 return FALSE;
376         }
377
378         while (1)
379         {
380                 s = fgets(file);
381                 if (!s)
382                         break;
383
384                 tokens = tokenizebyseparator(s, "*");
385
386                 if (tokens!=2)
387                 {
388                         // bad file format
389                         fclose(file);
390                         return FALSE;
391                 }
392
393                 wp_from_pos     = stov(argv(0));
394                 wp_to_pos       = stov(argv(1));
395
396                 // Search "from" waypoint
397                 if(wp_from.origin!=wp_from_pos)
398                 {
399                         wp_from = findradius(wp_from_pos, 1);
400                         found = FALSE;
401                         while(wp_from)
402                         {
403                                 if(vlen(wp_from.origin-wp_from_pos)<1)
404                                 if(wp_from.classname == "waypoint")
405                                 {
406                                         found = TRUE;
407                                         break;
408                                 }
409                                 wp_from = wp_from.chain;
410                         }
411
412                         if(!found)
413                         {
414                                 dprint("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from.origin),"\n");
415                                 continue;
416                         }
417
418                 }
419
420                 // Search "to" waypoint
421                 wp_to = findradius(wp_to_pos, 1);
422                 found = FALSE;
423                 while(wp_to)
424                 {
425                         if(vlen(wp_to.origin-wp_to_pos)<1)
426                         if(wp_to.classname == "waypoint")
427                         {
428                                 found = TRUE;
429                                 break;
430                         }
431                         wp_to = wp_to.chain;
432                 }
433
434                 if(!found)
435                 {
436                         dprint("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to.origin),"\n");
437                         continue;
438                 }
439
440                 ++c;
441                 waypoint_addlink(wp_from, wp_to);
442         }
443
444         fclose(file);
445
446         dprint("loaded ");
447         dprint(ftos(c));
448         dprint(" waypoint links from maps/");
449         dprint(mapname);
450         dprint(".waypoints.cache\n");
451
452         botframe_cachedwaypointlinks = TRUE;
453         return TRUE;
454 }
455
456 void waypoint_load_links_hardwired()
457 {
458         string filename, s;
459         float file, tokens, c, found;
460         entity wp_from, wp_to;
461         vector wp_to_pos, wp_from_pos;
462         filename = strcat("maps/", mapname);
463         filename = strcat(filename, ".waypoints.hardwired");
464         file = fopen(filename, FILE_READ);
465
466         botframe_loadedforcedlinks = TRUE;
467
468         if (file < 0)
469         {
470                 dprint("waypoint links load from ");
471                 dprint(filename);
472                 dprint(" failed\n");
473                 return;
474         }
475
476         for (;;)
477         {
478                 s = fgets(file);
479                 if (!s)
480                         break;
481
482                 if(substring(s, 0, 2)=="//")
483                         continue;
484
485                 if(substring(s, 0, 1)=="#")
486                         continue;
487
488                 tokens = tokenizebyseparator(s, "*");
489
490                 if (tokens!=2)
491                         continue;
492
493                 wp_from_pos     = stov(argv(0));
494                 wp_to_pos       = stov(argv(1));
495
496                 // Search "from" waypoint
497                 if(wp_from.origin!=wp_from_pos)
498                 {
499                         wp_from = findradius(wp_from_pos, 5);
500                         found = FALSE;
501                         while(wp_from)
502                         {
503                                 if(vlen(wp_from.origin-wp_from_pos)<5)
504                                 if(wp_from.classname == "waypoint")
505                                 {
506                                         found = TRUE;
507                                         break;
508                                 }
509                                 wp_from = wp_from.chain;
510                         }
511
512                         if(!found)
513                         {
514                                 print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped\n"));
515                                 continue;
516                         }
517                 }
518
519                 // Search "to" waypoint
520                 wp_to = findradius(wp_to_pos, 5);
521                 found = FALSE;
522                 while(wp_to)
523                 {
524                         if(vlen(wp_to.origin-wp_to_pos)<5)
525                         if(wp_to.classname == "waypoint")
526                         {
527                                 found = TRUE;
528                                 break;
529                         }
530                         wp_to = wp_to.chain;
531                 }
532
533                 if(!found)
534                 {
535                         print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped\n"));
536                         continue;
537                 }
538
539                 ++c;
540                 waypoint_addlink(wp_from, wp_to);
541                 wp_from.wphardwired = TRUE;
542                 wp_to.wphardwired = TRUE;
543         }
544
545         fclose(file);
546
547         dprint("loaded ");
548         dprint(ftos(c));
549         dprint(" waypoint links from maps/");
550         dprint(mapname);
551         dprint(".waypoints.hardwired\n");
552 }
553
554 // Save all waypoint links to a file
555 void waypoint_save_links()
556 {
557         string filename, s;
558         float file, c, i;
559         entity w, link;
560         filename = strcat("maps/", mapname);
561         filename = strcat(filename, ".waypoints.cache");
562         file = fopen(filename, FILE_WRITE);
563         if (file < 0)
564         {
565                 print("waypoint links save to ");
566                 print(filename);
567                 print(" failed\n");
568         }
569         c = 0;
570         w = findchain(classname, "waypoint");
571         while (w)
572         {
573                 for(i=0;i<32;++i)
574                 {
575                         // :S
576                         switch(i)
577                         {
578                                 //      for i in $(seq -w 0 31); do echo "case $i:link = w.wp$i; break;"; done;
579                                 case 00:link = w.wp00; break;
580                                 case 01:link = w.wp01; break;
581                                 case 02:link = w.wp02; break;
582                                 case 03:link = w.wp03; break;
583                                 case 04:link = w.wp04; break;
584                                 case 05:link = w.wp05; break;
585                                 case 06:link = w.wp06; break;
586                                 case 07:link = w.wp07; break;
587                                 case 08:link = w.wp08; break;
588                                 case 09:link = w.wp09; break;
589                                 case 10:link = w.wp10; break;
590                                 case 11:link = w.wp11; break;
591                                 case 12:link = w.wp12; break;
592                                 case 13:link = w.wp13; break;
593                                 case 14:link = w.wp14; break;
594                                 case 15:link = w.wp15; break;
595                                 case 16:link = w.wp16; break;
596                                 case 17:link = w.wp17; break;
597                                 case 18:link = w.wp18; break;
598                                 case 19:link = w.wp19; break;
599                                 case 20:link = w.wp20; break;
600                                 case 21:link = w.wp21; break;
601                                 case 22:link = w.wp22; break;
602                                 case 23:link = w.wp23; break;
603                                 case 24:link = w.wp24; break;
604                                 case 25:link = w.wp25; break;
605                                 case 26:link = w.wp26; break;
606                                 case 27:link = w.wp27; break;
607                                 case 28:link = w.wp28; break;
608                                 case 29:link = w.wp29; break;
609                                 case 30:link = w.wp30; break;
610                                 case 31:link = w.wp31; break;
611                         }
612
613                         if(link==world)
614                                 continue;
615
616                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
617                         fputs(file, s);
618                         ++c;
619                 }
620                 w = w.chain;
621         }
622         fclose(file);
623         botframe_cachedwaypointlinks = TRUE;
624
625         print("saved ");
626         print(ftos(c));
627         print(" waypoints links to maps/");
628         print(mapname);
629         print(".waypoints.cache\n");
630 }
631
632 // save waypoints to gamedir/data/maps/mapname.waypoints
633 void waypoint_saveall()
634 {
635         string filename, s;
636         float file, c;
637         entity w;
638         filename = strcat("maps/", mapname);
639         filename = strcat(filename, ".waypoints");
640         file = fopen(filename, FILE_WRITE);
641         if (file >= 0)
642         {
643                 c = 0;
644                 w = findchain(classname, "waypoint");
645                 while (w)
646                 {
647                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
648                         {
649                                 s = strcat(vtos(w.origin + w.mins), "\n");
650                                 s = strcat(s, vtos(w.origin + w.maxs));
651                                 s = strcat(s, "\n");
652                                 s = strcat(s, ftos(w.wpflags));
653                                 s = strcat(s, "\n");
654                                 fputs(file, s);
655                                 c = c + 1;
656                         }
657                         w = w.chain;
658                 }
659                 fclose(file);
660                 bprint("saved ");
661                 bprint(ftos(c));
662                 bprint(" waypoints to maps/");
663                 bprint(mapname);
664                 bprint(".waypoints\n");
665         }
666         else
667         {
668                 bprint("waypoint save to ");
669                 bprint(filename);
670                 bprint(" failed\n");
671         }
672         waypoint_save_links();
673         botframe_loadedforcedlinks = FALSE;
674 }
675
676 // load waypoints from file
677 float waypoint_loadall()
678 {
679         string filename, s;
680         float file, cwp, cwb, fl;
681         vector m1, m2;
682         cwp = 0;
683         cwb = 0;
684         filename = strcat("maps/", mapname);
685         filename = strcat(filename, ".waypoints");
686         file = fopen(filename, FILE_READ);
687         if (file >= 0)
688         {
689                 while (1)
690                 {
691                         s = fgets(file);
692                         if (!s)
693                                 break;
694                         m1 = stov(s);
695                         s = fgets(file);
696                         if (!s)
697                                 break;
698                         m2 = stov(s);
699                         s = fgets(file);
700                         if (!s)
701                                 break;
702                         fl = stof(s);
703                         waypoint_spawn(m1, m2, fl);
704                         if (m1 == m2)
705                                 cwp = cwp + 1;
706                         else
707                                 cwb = cwb + 1;
708                 }
709                 fclose(file);
710                 dprint("loaded ");
711                 dprint(ftos(cwp));
712                 dprint(" waypoints and ");
713                 dprint(ftos(cwb));
714                 dprint(" wayboxes from maps/");
715                 dprint(mapname);
716                 dprint(".waypoints\n");
717         }
718         else
719         {
720                 dprint("waypoint load from ");
721                 dprint(filename);
722                 dprint(" failed\n");
723         }
724         return cwp + cwb;
725 }
726
727 vector waypoint_fixorigin(vector position)
728 {
729         tracebox(position + '0 0 1' * (1 - PL_MIN_z), PL_MIN, PL_MAX, position + '0 0 -512', MOVE_NOMONSTERS, world);
730         if(trace_fraction < 1)
731                 position = trace_endpos;
732         //traceline(position, position + '0 0 -512', MOVE_NOMONSTERS, world);
733         //print("position is ", ftos(trace_endpos_z - position_z), " above solid\n");
734         return position;
735 }
736
737 void waypoint_spawnforitem_force(entity e, vector org)
738 {
739         entity w;
740
741         // Fix the waypoint altitude if necessary
742         org = waypoint_fixorigin(org);
743
744         // don't spawn an item spawnfunc_waypoint if it already exists
745         w = findchain(classname, "waypoint");
746         while (w)
747         {
748                 if (w.wpisbox)
749                 {
750                         if (boxesoverlap(org, org, w.absmin, w.absmax))
751                         {
752                                 e.nearestwaypoint = w;
753                                 return;
754                         }
755                 }
756                 else
757                 {
758                         if (vlen(w.origin - org) < 16)
759                         {
760                                 e.nearestwaypoint = w;
761                                 return;
762                         }
763                 }
764                 w = w.chain;
765         }
766         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
767 }
768
769 void waypoint_spawnforitem(entity e)
770 {
771         if(!bot_waypoints_for_items)
772                 return;
773
774         waypoint_spawnforitem_force(e, e.origin);
775 }
776
777 void waypoint_spawnforteleporter_boxes(entity e, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
778 {
779         entity w;
780         entity dw;
781         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
782         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
783         // one way link to the destination
784         w.wp00 = dw;
785         w.wp00mincost = timetaken; // this is just for jump pads
786         // the teleporter's nearest spawnfunc_waypoint is this one
787         // (teleporters are not goals, so this is probably useless)
788         e.nearestwaypoint = w;
789         e.nearestwaypointtimeout = time + 1000000000;
790 }
791
792 void waypoint_spawnforteleporter_v(entity e, vector org, vector destination, float timetaken)
793 {
794         org = waypoint_fixorigin(org);
795         destination = waypoint_fixorigin(destination);
796         waypoint_spawnforteleporter_boxes(e, org, org, destination, destination, timetaken);
797 }
798
799 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
800 {
801         destination = waypoint_fixorigin(destination);
802         waypoint_spawnforteleporter_boxes(e, e.absmin, e.absmax, destination, destination, timetaken);
803 }
804
805 entity waypoint_spawnpersonal(vector position)
806 {
807         entity w;
808
809         // drop the waypoint to a proper location:
810         //   first move it up by a player height
811         //   then move it down to hit the floor with player bbox size
812         position = waypoint_fixorigin(position);
813
814         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
815         w.nearestwaypoint = world;
816         w.nearestwaypointtimeout = 0;
817         w.owner = self;
818
819         waypoint_schedulerelink(w);
820
821         return w;
822 }
823
824 void botframe_showwaypointlinks()
825 {
826         entity player, head, w;
827         if (time < botframe_waypointeditorlightningtime)
828                 return;
829         botframe_waypointeditorlightningtime = time + 0.5;
830         player = find(world, classname, "player");
831         while (player)
832         {
833                 if (!player.isbot)
834                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
835                 {
836                         //navigation_testtracewalk = TRUE;
837                         head = navigation_findnearestwaypoint(player, FALSE);
838                 //      print("currently selected WP is ", etos(head), "\n");
839                         //navigation_testtracewalk = FALSE;
840                         if (head)
841                         {
842                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
843                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
844                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
845                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
846                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
847                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
848                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
849                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
850                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
851                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
852                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
853                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
854                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
855                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
856                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
857                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
858                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
859                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
860                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
861                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
862                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
863                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
864                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
865                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
866                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
867                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
868                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
869                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
870                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
871                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
872                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
873                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
874                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
875                         }
876                 }
877                 player = find(player, classname, "player");
878         }
879 }
880
881 float botframe_autowaypoints_fixdown(vector v)
882 {
883         tracebox(v, PL_MIN, PL_MAX, v + '0 0 -64', MOVE_NOMONSTERS, world);
884         if(trace_fraction >= 1)
885                 return 0;
886         return 1;
887 }
888
889 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld)
890 {
891         entity w;
892
893         w = find(world, classname, "waypoint");
894         while (w)
895         {
896                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
897                 if (boxesoverlap(v - '32 32 32', v + '32 32 32', w.absmin, w.absmax))
898                 //if (boxesoverlap(v - '4 4 4', v + '4 4 4', w.absmin, w.absmax))
899                         return 0;
900                 w = find(w, classname, "waypoint");
901         }
902
903         waypoint_schedulerelink(p.fld = waypoint_spawn(v, v, 0));
904         return 1;
905 }
906
907 // return value:
908 //    1 = WP created
909 //    0 = no action needed
910 //   -1 = temp fail, try from world too
911 //   -2 = permanent fail, do not retry
912 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
913 {
914         // make it possible to go from p to wp, if we can
915         // if wp is world, nearest is chosen
916
917         entity w;
918         vector porg;
919         float t, tmin, tmax;
920         vector o;
921         vector save;
922
923         if(!botframe_autowaypoints_fixdown(p.origin))
924                 return -2;
925         porg = trace_endpos;
926
927         if(wp)
928         {
929                 // if any WP w fulfills wp -> w -> porg, then switch from wp to w
930
931                 // if wp -> porg, then OK
932                 float maxdist;
933                 if(navigation_waypoint_will_link(wp.origin, porg, p, walkfromwp, 1050))
934                 {
935                         // we may find a better one
936                         maxdist = vlen(wp.origin - porg);
937                 }
938                 else
939                 {
940                         // accept any "good"
941                         maxdist = 2100;
942                 }
943
944                 float bestdist;
945                 bestdist = maxdist;
946                 w = find(world, classname, "waypoint");
947                 while (w)
948                 {
949                         if(w != wp && !(w.wpflags & WAYPOINTFLAG_NORELINK))
950                         {
951                                 float d;
952                                 d = vlen(wp.origin - w.origin) + vlen(w.origin - porg);
953                                 if(d < bestdist)
954                                         if(navigation_waypoint_will_link(wp.origin, w.origin, p, walkfromwp, 1050))
955                                                 if(navigation_waypoint_will_link(w.origin, porg, p, walkfromwp, 1050))
956                                                 {
957                                                         bestdist = d;
958                                                         p.fld = w;
959                                                 }
960                         }
961                         w = find(w, classname, "waypoint");
962                 }
963                 if(bestdist < maxdist)
964                 {
965                         print("update chain to new nearest WP ", etos(p.fld), "\n");
966                         return 0;
967                 }
968
969                 if(bestdist < 2100)
970                 {
971                         // we know maxdist < 2100
972                         // so wp -> porg is still valid
973                         // all is good
974                         p.fld = wp;
975                         return 0;
976                 }
977
978                 // otherwise, no existing WP can fix our issues
979         }
980         else
981         {
982                 save = p.origin;
983                 setorigin(p, porg);
984                 w = navigation_findnearestwaypoint(p, walkfromwp);
985                 setorigin(p, save);
986                 if(w)
987                 {
988                         p.fld = w;
989                         return 0;
990                 }
991         }
992
993         tmin = 0;
994         tmax = 1;
995         for(;;)
996         {
997                 if(tmax - tmin < 0.001)
998                 {
999                         // did not get a good candidate
1000                         return -1;
1001                 }
1002
1003                 t = (tmin + tmax) * 0.5;
1004                 o = antilag_takebackorigin(p, time - t);
1005                 if(!botframe_autowaypoints_fixdown(o))
1006                         return -1;
1007                 o = trace_endpos;
1008
1009                 if(wp)
1010                 {
1011                         if(!navigation_waypoint_will_link(wp.origin, o, p, walkfromwp, 1050))
1012                         {
1013                                 // we cannot walk from wp.origin to o
1014                                 // get closer to tmax
1015                                 tmin = t;
1016                                 continue;
1017                         }
1018                 }
1019                 else
1020                 {
1021                         save = p.origin;
1022                         setorigin(p, o);
1023                         w = navigation_findnearestwaypoint(p, walkfromwp);
1024                         setorigin(p, save);
1025                         if(!w)
1026                         {
1027                                 // we cannot walk from any WP to o
1028                                 // get closer to tmax
1029                                 tmin = t;
1030                                 continue;
1031                         }
1032                 }
1033
1034                 // if we get here, o is valid regarding waypoints
1035                 // check if o is connected right to the player
1036                 // we break if it succeeds, as that means o is a good waypoint location
1037                 if(navigation_waypoint_will_link(o, porg, p, walkfromwp, 1050))
1038                         break;
1039
1040                 // o is no good, we need to get closer to the player
1041                 tmax = t;
1042         }
1043
1044         print("spawning a waypoint for connecting to ", etos(wp), "\n");
1045         botframe_autowaypoints_createwp(o, p, fld);
1046         return 1;
1047 }
1048
1049 // automatically create missing waypoints
1050 .entity botframe_autowaypoints_lastwp0, botframe_autowaypoints_lastwp1;
1051 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
1052 {
1053         float r;
1054         r = botframe_autowaypoints_fix_from(p, walkfromwp, p.fld, fld);
1055         if(r != -1)
1056                 return;
1057         r = botframe_autowaypoints_fix_from(p, walkfromwp, world, fld);
1058         if(r != -1)
1059                 return;
1060
1061         print("emergency: got no good nearby WP to build a link from, starting a new chain\n");
1062         if(!botframe_autowaypoints_fixdown(p.origin))
1063                 return; // shouldn't happen, caught above
1064         botframe_autowaypoints_createwp(trace_endpos, p, fld);
1065 }
1066
1067 void botframe_autowaypoints()
1068 {
1069         entity p;
1070         entity wp0, wp1;
1071         FOR_EACH_REALPLAYER(p)
1072         {
1073                 if(p.deadflag)
1074                         continue;
1075                 // going back is broken, so only fix waypoints to walk TO the player
1076                 //botframe_autowaypoints_fix(p, FALSE, botframe_autowaypoints_lastwp0);
1077                 botframe_autowaypoints_fix(p, TRUE, botframe_autowaypoints_lastwp1);
1078                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
1079         }
1080 }
1081