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new player colors (gfx/colormap_palette.lmp); default color is no longer pink :P
[divverent/nexuiz.git] / data / qcsrc / server / keyhunt.qc
1 string STR_ITEM_KH_KEY = "item_kh_key";
2 #define FOR_EACH_KH_KEY(v) for(v = world; (v = find(v, classname, STR_ITEM_KH_KEY)); )
3
4 // #define KH_PLAYER_USE_ATTACHMENT
5 // #define KH_PLAYER_USE_CARRIEDMODEL
6 // #define KH_KEY_ATTACHMENT_DEBUG
7
8 #ifdef KH_PLAYER_USE_ATTACHMENT
9 vector KH_PLAYER_ATTACHMENT_DIST_ROTATED = '0 -4 0';
10 vector KH_PLAYER_ATTACHMENT_DIST = '4 0 0';
11 vector KH_PLAYER_ATTACHMENT = '0 0 0';
12 vector KH_PLAYER_ATTACHMENT_ANGLES = '0 0 0';
13 string KH_PLAYER_ATTACHMENT_BONE = "";
14 #else
15 float KH_KEY_ZSHIFT = 22;
16 float KH_KEY_XYDIST = 24;
17 float KH_KEY_XYSPEED = 45;
18 #endif
19 float KH_KEY_WP_ZSHIFT = 20;
20
21 vector KH_KEY_MIN = '-10 -10 -46';
22 vector KH_KEY_MAX = '10 10 3';
23 float KH_KEY_BRIGHTNESS = 2;
24
25 typedef void(void) kh_Think_t;
26 var kh_Think_t kh_Controller_Thinkfunc;
27 string kh_Controller_Waitmsg;
28
29 float kh_Team_ByID(float t)
30 {
31         if(t == 0) return COLOR_TEAM1;
32         if(t == 1) return COLOR_TEAM2;
33         if(t == 2) return COLOR_TEAM3;
34         if(t == 3) return COLOR_TEAM4;
35         return 0;
36 }
37
38 entity kh_controller;
39 float kh_tracking_enabled;
40 float kh_teams;
41 float kh_interferemsg_time, kh_interferemsg_team;
42 .entity kh_next, kh_prev; // linked list
43 .float kh_droptime;
44 .float kh_dropperteam;
45 .entity kh_previous_owner;
46
47 string kh_sound_capture = "sound/kh/capture.wav";
48 string kh_sound_destroy = "sound/kh/destroy.wav";
49 string kh_sound_drop = "sound/kh/drop.wav";
50 string kh_sound_collect = "sound/kh/collect.wav";
51
52 float kh_sprite_dropped, kh_sprite_finish, kh_sprite_red, kh_sprite_blue, kh_sprite_pink, kh_sprite_yellow, kh_sprite_friend;
53 float kh_key_dropped, kh_key_carried;
54
55 float kh_GetCarrierSprite(float t, float e)
56 {
57         if(t == e)           return kh_sprite_friend;
58         if(t == COLOR_TEAM1) return kh_sprite_red;
59         if(t == COLOR_TEAM2) return kh_sprite_blue;
60         if(t == COLOR_TEAM3) return kh_sprite_yellow;
61         if(t == COLOR_TEAM4) return kh_sprite_pink;
62         return 0;
63 }
64
65 void kh_Controller_SetThink(float t, string msg, kh_Think_t func)
66 {
67         kh_Controller_Thinkfunc = func;
68         kh_controller.cnt = t;
69         if(kh_Controller_Waitmsg != "")
70                 strunzone(kh_Controller_Waitmsg);
71         if(msg == "")
72                 kh_Controller_Waitmsg = "";
73         else
74                 kh_Controller_Waitmsg = strzone(msg);
75         if(t == 0)
76                 kh_controller.nextthink = time; // force
77 }
78
79 void kh_Controller_Think()
80 {
81         entity e;
82         if(intermission_running)
83                 return;
84         if(self.cnt > 0)
85         {
86                 if(kh_Controller_Waitmsg != "")
87                 {
88                         string s;
89                         if(substring(kh_Controller_Waitmsg, strlen(kh_Controller_Waitmsg)-1, 1) == " ")
90                                 s = strcat(kh_Controller_Waitmsg, ftos(self.cnt));
91                         else
92                                 s = kh_Controller_Waitmsg;
93
94                         //dprint(s, "\n");
95
96                         FOR_EACH_PLAYER(e)
97                                 if(clienttype(e) == CLIENTTYPE_REAL)
98                                         centerprint_atprio(e, CENTERPRIO_SPAM, s);
99                 }
100                 self.cnt -= 1;
101         }
102         else if(self.cnt == 0)
103         {
104                 self.cnt -= 1;
105                 kh_Controller_Thinkfunc();
106         }
107         self.nextthink = time + 1;
108 }
109
110 // frags f: take from cvar * f
111 // frags 0: no frags
112 void kh_Scores_Event(entity player, entity key, string what, float frags_player, float frags_owner)
113 {
114         string s;
115         if(intermission_running)
116                 return;
117         if(frags_player)
118                 UpdateFrags(player, frags_player);
119         if(key && key.owner && frags_owner)
120                 UpdateFrags(key.owner, frags_owner);
121         if(!cvar("sv_eventlog"))
122                 return;
123         s = strcat(":keyhunt:", what, ":", ftos(player.playerid));
124         s = strcat(s, ":", ftos(frags_player));
125         if(key && key.owner)
126                 s = strcat(s, ":", ftos(key.owner.playerid));
127         else
128                 s = strcat(s, ":0");
129         s = strcat(s, ":", ftos(frags_owner), ":");
130         if(key)
131                 s = strcat(s, key.netname);
132         GameLogEcho(s, FALSE);
133 }
134
135 vector kh_AttachedOrigin(entity e)
136 {
137         if(e.tag_entity)
138         {
139                 makevectors(e.tag_entity.angles);
140                 return e.tag_entity.origin + e.origin_x * v_forward - e.origin_y * v_right + e.origin_z * v_up;
141         }
142         else
143                 return e.origin;
144 }
145
146 void kh_Key_Attach(entity key)
147 {
148 #ifdef KH_PLAYER_USE_ATTACHMENT
149         entity first;
150         first = key.owner.kh_next;
151         if(key == first)
152         {
153                 setattachment(key, key.owner, KH_PLAYER_ATTACHMENT_BONE);
154                 if(key.kh_next)
155                 {
156                         setattachment(key.kh_next, key, "");
157                         setorigin(key, key.kh_next.origin - 0.5 * KH_PLAYER_ATTACHMENT_DIST);
158                         setorigin(key.kh_next, KH_PLAYER_ATTACHMENT_DIST_ROTATED);
159                         key.kh_next.angles = '0 0 0';
160                 }
161                 else
162                         setorigin(key, KH_PLAYER_ATTACHMENT);
163                 key.angles = KH_PLAYER_ATTACHMENT_ANGLES;
164         }
165         else
166         {
167                 setattachment(key, key.kh_prev, "");
168                 if(key.kh_next)
169                         setattachment(key.kh_next, key, "");
170                 setorigin(key, KH_PLAYER_ATTACHMENT_DIST_ROTATED);
171                 setorigin(first, first.origin - 0.5 * KH_PLAYER_ATTACHMENT_DIST);
172                 key.angles = '0 0 0';
173         }
174 #else
175         setattachment(key, key.owner, "");
176         setorigin(key, '0 0 1' * KH_KEY_ZSHIFT); // fixing x, y in think
177         key.angles_y -= key.owner.angles_y;
178 #endif
179         key.flags = 0;
180         key.solid = SOLID_NOT;
181         key.movetype = MOVETYPE_NONE;
182         key.team = key.owner.team;
183         key.nextthink = time;
184         key.damageforcescale = 0;
185         key.modelindex = kh_key_carried;
186 }
187
188 void kh_Key_Detach(entity key)
189 {
190 #ifdef KH_PLAYER_USE_ATTACHMENT
191         entity first;
192         first = key.owner.kh_next;
193         if(key == first)
194         {
195                 if(key.kh_next)
196                 {
197                         setattachment(key.kh_next, key.owner, KH_PLAYER_ATTACHMENT_BONE);
198                         setorigin(key.kh_next, key.origin + 0.5 * KH_PLAYER_ATTACHMENT_DIST);
199                         key.kh_next.angles = KH_PLAYER_ATTACHMENT_ANGLES;
200                 }
201         }
202         else
203         {
204                 if(key.kh_next)
205                         setattachment(key.kh_next, key.kh_prev, "");
206                 setorigin(first, first.origin + 0.5 * KH_PLAYER_ATTACHMENT_DIST);
207         }
208         // in any case:
209         setattachment(key, world, "");
210         setorigin(key, key.owner.origin + '0 0 1' * (PL_MIN_z - KH_KEY_MIN_z));
211         key.angles = key.owner.angles;
212 #else
213         setorigin(key, key.owner.origin + key.origin_z * '0 0 1');
214         setattachment(key, world, "");
215         key.angles_y += key.owner.angles_y;
216 #endif
217         key.aiment = world;
218         key.flags = FL_ITEM;
219         key.solid = SOLID_TRIGGER;
220         key.movetype = MOVETYPE_TOSS;
221         key.pain_finished = time + cvar("g_balance_keyhunt_delay_return");
222         key.damageforcescale = cvar("g_balance_keyhunt_damageforcescale");
223         // let key.team stay
224         key.modelindex = kh_key_dropped;
225         key.kh_previous_owner = key.owner;
226 }
227
228 void kh_Key_AssignTo(entity key, entity player)
229 {
230         if(key.owner == player)
231                 return;
232
233         if(key.owner)
234         {
235                 kh_Key_Detach(key);
236
237                 // remove from linked list
238                 if(key.kh_next)
239                         key.kh_next.kh_prev = key.kh_prev;
240                 key.kh_prev.kh_next = key.kh_next;
241                 key.kh_next = world;
242                 key.kh_prev = world;
243
244                 if(key.owner.kh_next == world)
245                 {
246                         // No longer a key carrier
247                         WaypointSprite_DetachCarrier(key.owner);
248                 }
249         }
250
251         key.owner = player;
252
253         if(player)
254         {
255                 // insert into linked list
256                 key.kh_next = player.kh_next;
257                 key.kh_prev = player;
258                 player.kh_next = key;
259                 if(key.kh_next)
260                         key.kh_next.kh_prev = key;
261
262                 kh_Key_Attach(key);
263
264                 if(key.kh_next == world)
265                 {
266                         // player is now a key carrier
267                         WaypointSprite_AttachCarrier("", player);
268                         player.waypointsprite_attachedforcarrier.waypointsprite_for_player = kh_KeyCarrier_waypointsprite_for_player;
269                         player.waypointsprite_attachedforcarrier.team = player.team;
270                 }
271         }
272
273         key.pusher = world;
274 }
275
276 void kh_Key_Damage(entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
277 {
278         if(self.owner)
279                 return;
280         if(vlen(force) <= 0)
281                 return;
282         if(time > self.pushltime)
283                 if(attacker.classname == "player")
284                         self.team = attacker.team;
285 }
286
287 vector kh_TeamColor(float teem)
288 {
289         switch(teem)
290         {
291                 case COLOR_TEAM1:
292                         return '1 0.0625 0.0625';
293                 case COLOR_TEAM2:
294                         return '0.0625 0.0625 1';
295                 case COLOR_TEAM3:
296                         return '1 1 0.0625';
297                 case COLOR_TEAM4:
298                         return '1 0.0625 1';
299                 default:
300                         return '1 1 1';
301         }
302 }
303
304 void kh_Key_Spawn(entity initial_owner, float angle)
305 {
306         entity key;
307         key = spawn();
308         key.classname = STR_ITEM_KH_KEY;
309         key.touch = kh_Key_Touch;
310         key.think = kh_Key_Think;
311         key.nextthink = time;
312         key.items = IT_KEY1 | IT_KEY2;
313         key.cnt = angle;
314         key.angles = '0 360 0' * random();
315         key.event_damage = kh_Key_Damage;
316         key.modelindex = kh_key_dropped;
317         key.model = "key";
318         key.kh_dropperteam = 0;
319         key.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP;
320         setsize(key, KH_KEY_MIN, KH_KEY_MAX);
321         key.colormod = kh_TeamColor(initial_owner.team) * KH_KEY_BRIGHTNESS;
322
323         switch(initial_owner.team)
324         {
325                 case COLOR_TEAM1:
326                         key.netname = "^1red key";
327                         break;
328                 case COLOR_TEAM2:
329                         key.netname = "^4blue key";
330                         break;
331                 case COLOR_TEAM3:
332                         key.netname = "^3yellow key";
333                         break;
334                 case COLOR_TEAM4:
335                         key.netname = "^6pink key";
336                         break;
337                 default:
338                         key.netname = "NETGIER key";
339                         break;
340         }
341
342         sprint(initial_owner, strcat("You got the ^2", key.netname, "\n"));
343
344         WaypointSprite_Spawn("", 0, 0, key, '0 0 1' * KH_KEY_WP_ZSHIFT, world, key.team, key, waypointsprite_attachedforcarrier, FALSE);
345         key.waypointsprite_attachedforcarrier.waypointsprite_for_player = kh_Key_waypointsprite_for_player;
346
347         kh_Key_AssignTo(key, initial_owner);
348 }
349
350 void kh_Key_Remove(entity key)
351 {
352         entity o;
353         o = key.owner;
354         kh_Key_AssignTo(key, world);
355         if(o) // it was attached
356                 WaypointSprite_Kill(key.waypointsprite_attachedforcarrier);
357         else // it was dropped
358                 WaypointSprite_DetachCarrier(key);
359
360         remove(key);
361 }
362
363 // -1 when no team completely owns all keys yet
364 float kh_Key_AllOwnedByWhichTeam()
365 {
366         entity key;
367         float teem;
368
369         teem = -1;
370         FOR_EACH_KH_KEY(key)
371         {
372                 if(!key.owner)
373                         return -1;
374                 if(teem == -1)
375                         teem = key.team;
376                 else if(teem != key.team)
377                         return -1;
378         }
379         return teem;
380 }
381
382 void kh_Key_Collect(entity key, entity player)
383 {
384         sound(player, CHAN_AUTO, kh_sound_collect, 1, ATTN_NORM);
385
386         if(key.kh_dropperteam != player.team)
387                 kh_Scores_Event(player, key, "collect", cvar("g_balance_keyhunt_score_collect"), 0);
388         key.kh_dropperteam = 0;
389         bprint(player.netname, "^7 collected the ", key.netname, "\n");
390         kh_Key_AssignTo(key, player);
391
392         if(kh_Key_AllOwnedByWhichTeam() != -1)
393         {
394                 kh_interferemsg_time = time + 0.2;
395                 kh_interferemsg_team = player.team;
396         }
397 }
398
399 void kh_Key_DropAll(entity player, float suicide)
400 {
401         entity key;
402         entity mypusher;
403         if(player.kh_next)
404         {
405                 mypusher = world;
406                 if(player.pusher)
407                         if(time < player.pushltime)
408                                 mypusher = player.pusher;
409                 while((key = player.kh_next))
410                 {
411                         kh_Scores_Event(player, key, "losekey", 0, 0);
412                         bprint(player.netname, "^7 lost the ", key.netname, "\n");
413                         kh_Key_AssignTo(key, world);
414                         makevectors('-1 0 0' * (45 + 45 * random()) + '0 360 0' * random());
415                         key.velocity = W_CalculateProjectileVelocity(player.velocity, cvar("g_balance_keyhunt_dropvelocity") * v_forward);
416                         key.pusher = mypusher;
417                         key.pushltime = time + cvar("g_balance_keyhunt_protecttime");
418                         if(suicide)
419                                 key.kh_dropperteam = player.team;
420                 }
421                 sound(player, CHAN_AUTO, kh_sound_drop, 1, ATTN_NORM);
422         }
423 }
424
425 void kh_Key_Touch()
426 {
427         if(intermission_running)
428                 return;
429
430         if(self.owner) // already carried
431                 return;
432         if(other.classname != "player")
433                 return;
434         if(other.deadflag != DEAD_NO)
435                 return;
436         if(other == self.enemy)
437                 if(time < self.kh_droptime + cvar("g_balance_keyhunt_delay_collect"))
438                         return; // you just dropped it!
439         kh_Key_Collect(self, other);
440 }
441
442 void kh_Key_Think()
443 {
444         entity head;
445
446         if(intermission_running)
447                 return;
448
449 #ifdef KH_KEY_ATTACHMENT_DEBUG
450         if(self.kh_prev == self.owner)
451         {
452                 if(cvar_string("_angles") != "")
453                 {
454                         self.angles = stov(cvar_string("_angles"));
455                         self.origin = stov(cvar_string("_origin"));
456                 }
457         }
458 #endif
459
460         if(self.owner)
461         {
462 #ifndef KH_PLAYER_USE_ATTACHMENT
463                 makevectors('0 1 0' * (self.cnt + math_mod(time, 360) * KH_KEY_XYSPEED));
464                 setorigin(self, v_forward * KH_KEY_XYDIST + '0 0 1' * self.origin_z);
465 #endif
466
467                 if(self.owner.buttonuse)
468                 if(time >= self.owner.kh_droptime + cvar("g_balance_keyhunt_delay_drop"))
469                 {
470                         self.owner.kh_droptime = time;
471                         self.kh_droptime = time; // prevent collecting this one for some time
472                         self.enemy = self.owner;
473                         self.pusher = world;
474                         kh_Scores_Event(self.owner, self, "dropkey", 0, 0);
475                         bprint(self.owner.netname, "^7 dropped the ", self.netname, "\n");
476                         sound(self.owner, CHAN_AUTO, kh_sound_drop, 1, ATTN_NORM);
477                         makevectors(self.owner.v_angle);
478                         self.velocity = W_CalculateProjectileVelocity(self.owner.velocity, cvar("g_balance_keyhunt_throwvelocity") * v_forward);
479                         kh_Key_AssignTo(self, world);
480                         self.pushltime = time + cvar("g_balance_keyhunt_protecttime");
481                         self.kh_dropperteam = self.team;
482                 }
483         }
484
485         // if in nodrop or time over, end the round
486         if(!self.owner)
487                 if(time > self.pain_finished)
488                         kh_LoserTeam(self.team, self);
489         
490         if(self.owner)
491         if(kh_Key_AllOwnedByWhichTeam() != -1)
492         {
493                 entity key;
494                 vector p;
495                 p = self.owner.origin;
496                 FOR_EACH_KH_KEY(key)
497                         if(vlen(key.owner.origin - p) > cvar("g_balance_keyhunt_maxdist"))
498                                 goto not_winning;
499                 kh_WinnerTeam(self.team);
500 :not_winning
501         }
502
503         if(kh_interferemsg_time && time > kh_interferemsg_time)
504         {
505                 kh_interferemsg_time = 0;
506                 FOR_EACH_PLAYER(head)
507                 {
508                         if(head.team == kh_interferemsg_team)
509                                 if(head.kh_next)
510                                         centerprint(head, "All keys are in your team's hands!\n\nMeet the other key carriers ^1NOW^7!\n");
511                                 else
512                                         centerprint(head, "All keys are in your team's hands!\n\nHelp the key carriers to meet!\n");
513                         else
514                                 centerprint(head, strcat("All keys are in the ", ColoredTeamName(kh_interferemsg_team), "^7's hands!\n\nInterfere ^1NOW^7!\n"));
515                 }
516         }
517
518         self.nextthink = time + 0.05;
519 }
520
521 void kh_WinnerTeam(float teem)
522 {
523         // all key carriers get some points
524         vector firstorigin, lastorigin, midpoint;
525         float first;
526         entity key;
527         float score;
528         score = (kh_teams - 1) * cvar("g_balance_keyhunt_score_capture");
529         DistributeEvenly_Init(score, kh_teams);
530         // twice the score for 3 team games, three times the score for 4 team games!
531         // note: for a win by destroying the key, this should NOT be applied
532         FOR_EACH_KH_KEY(key)
533                 kh_Scores_Event(key.owner, key, "capture", DistributeEvenly_Get(1), 0);
534
535         first = TRUE;
536         FOR_EACH_KH_KEY(key)
537                 if(key.owner.kh_next == key)
538                 {
539                         if(!first)
540                                 bprint("^7, ");
541                         bprint(key.owner.netname);
542                         first = FALSE;
543                 }
544         bprint("^7 captured the keys for the ", ColoredTeamName(teem), "\n");
545
546         first = TRUE;
547         midpoint = '0 0 0';
548         FOR_EACH_KH_KEY(key)
549         {
550                 vector thisorigin;
551
552                 thisorigin = kh_AttachedOrigin(key);
553                 //dprint("Key origin: ", vtos(thisorigin), "\n");
554                 midpoint += thisorigin;
555
556                 if(!first)
557                         te_lightning2(world, lastorigin, thisorigin);
558                 lastorigin = thisorigin;
559                 if(first)
560                         firstorigin = thisorigin;
561                 first = FALSE;
562         }
563         if(kh_teams > 2)
564         {
565                 te_lightning2(world, lastorigin, firstorigin);
566         }
567         midpoint = midpoint * (1 / kh_teams);
568         te_customflash(midpoint, 1000, 1, kh_TeamColor(teem) * 0.5 + '0.5 0.5 0.5'); // make the color >=0.5 in each component
569
570         sound(world, CHAN_AUTO, kh_sound_capture, 1, ATTN_NONE);
571         kh_FinishRound();
572 }
573
574 void kh_LoserTeam(float teem, entity lostkey)
575 {
576         entity player, key, attacker;
577         float players;
578         float keys;
579
580         attacker = world;
581         if(lostkey.pusher)
582                 if(lostkey.pusher.team != teem)
583                         if(lostkey.pusher.classname == "player")
584                                 attacker = lostkey.pusher;
585
586         players = keys = 0;
587
588         if(attacker)
589         {
590                 if(lostkey.kh_previous_owner)
591                         kh_Scores_Event(lostkey.kh_previous_owner, world, "pushed", 0, -cvar("g_balance_keyhunt_score_push"));
592                         // don't actually GIVE him the -nn points, just log
593                 kh_Scores_Event(attacker, world, "push", cvar("g_balance_keyhunt_score_push"), 0);
594                 centerprint(attacker, "Your push is the best!\n\n\n");
595                 bprint("The ", ColoredTeamName(teem), "^7 could not take care of the ", lostkey.netname, "^7 when ", attacker.netname, "^7 came\n");
596         }
597         else
598         {
599                 float of, fragsleft, i, j, thisteam;
600                 of = cvar("g_balance_keyhunt_score_destroyed_ownfactor");
601
602                 FOR_EACH_PLAYER(player)
603                         if(player.team != teem)
604                                 ++players;
605                 
606                 FOR_EACH_KH_KEY(key)
607                         if(key.owner && key.team != teem)
608                                 ++keys;
609
610                 if(lostkey.kh_previous_owner)
611                         kh_Scores_Event(lostkey.kh_previous_owner, world, "destroyed", 0, -cvar("g_balance_keyhunt_score_destroyed"));
612                         // don't actually GIVE him the -nn points, just log
613
614                 DistributeEvenly_Init(cvar("g_balance_keyhunt_score_destroyed"), keys * of + players);
615
616                 FOR_EACH_KH_KEY(key)
617                         if(key.owner && key.team != teem)
618                                 kh_Scores_Event(key.owner, world, "destroyed_holdingkey", DistributeEvenly_Get(of), 0);
619
620                 fragsleft = DistributeEvenly_Get(players);
621
622                 // Now distribute these among all other teams...
623                 j = kh_teams - 1;
624                 for(i = 0; i < kh_teams; ++i)
625                 {
626                         thisteam = kh_Team_ByID(i);
627                         if(thisteam == teem) // bad boy, no cookie - this WILL happen
628                                 continue;
629
630                         players = 0;
631                         FOR_EACH_PLAYER(player)
632                                 if(player.team == thisteam)
633                                         ++players;
634
635                         DistributeEvenly_Init(fragsleft, j);
636                         fragsleft = DistributeEvenly_Get(j - 1);
637                         DistributeEvenly_Init(DistributeEvenly_Get(1), players);
638
639                         FOR_EACH_PLAYER(player)
640                                 if(player.team == thisteam)
641                                         kh_Scores_Event(player, world, "destroyed", DistributeEvenly_Get(1), 0);
642
643                         --j;
644                 }
645
646                 bprint("The ", ColoredTeamName(teem), "^7 could not take care of the ", lostkey.netname, "\n");
647         }
648         sound(world, CHAN_AUTO, kh_sound_destroy, 1, ATTN_NONE);
649         te_tarexplosion(lostkey.origin);
650
651         kh_FinishRound();
652 }
653
654 void kh_FinishRound()
655 {
656         // prepare next round
657         kh_interferemsg_time = 0;
658         entity key;
659         FOR_EACH_KH_KEY(key)
660                 kh_Key_Remove(key);
661
662         kh_Controller_SetThink(cvar("g_balance_keyhunt_delay_round"), "Round starts in ", kh_StartRound);
663 }
664
665 string kh_CheckEnoughPlayers()
666 {
667         float i, players, teem;
668         entity player;
669         string result;
670         result = "";
671         
672         // find a random player per team
673         for(i = 0; i < kh_teams; ++i)
674         {
675                 teem = kh_Team_ByID(i);
676                 players = 0;
677                 FOR_EACH_PLAYER(player)
678                         if(player.deadflag == DEAD_NO)
679                                 if(!player.buttonchat)
680                                         if(player.team == teem)
681                                                 ++players;
682                 if(players == 0)
683                 {
684                         if(result != "")
685                                 result = strcat(result, ", ");
686                         result = strcat(result, ColoredTeamName(teem));
687                 }
688         }
689         return result;
690 }
691
692 void kh_WaitForPlayers()
693 {
694         string teams_missing;
695         teams_missing = kh_CheckEnoughPlayers();
696         if(teams_missing == "")
697                 kh_Controller_SetThink(cvar("g_balance_keyhunt_delay_round"), "Round starts in ", kh_StartRound);
698         else
699                 kh_Controller_SetThink(1, strcat("Waiting for players to join...\n\nNeed active players for: ", teams_missing), kh_WaitForPlayers);
700 }
701
702 void kh_StartRound()
703 {
704         string teams_missing;
705         float i, players, teem;
706         entity player;
707
708         teams_missing = kh_CheckEnoughPlayers();
709         if(teams_missing != "")
710         {
711                 kh_Controller_SetThink(1, strcat("Waiting for players to join...\n\nNeed active players for: ", teams_missing), kh_WaitForPlayers);
712                 return;
713         }
714
715         FOR_EACH_PLAYER(player)
716                 if(clienttype(player) == CLIENTTYPE_REAL)
717                         centerprint_expire(player, CENTERPRIO_SPAM);
718
719         for(i = 0; i < kh_teams; ++i)
720         {
721                 teem = kh_Team_ByID(i);
722                 players = 0;
723                 entity my_player;
724                 FOR_EACH_PLAYER(player)
725                         if(player.deadflag == DEAD_NO)
726                                 if(!player.buttonchat)
727                                         if(player.team == teem)
728                                         {
729                                                 ++players;
730                                                 if(random() * players <= 1)
731                                                         my_player = player;
732                                         }
733                 kh_Key_Spawn(my_player, 360 * i / kh_teams);
734                 //kh_Key_Spawn(my_player, 360 * i / kh_teams);
735                 //kh_Key_Spawn(my_player, 360 * i / kh_teams);
736         }
737
738         kh_tracking_enabled = FALSE;
739         kh_Controller_SetThink(cvar("g_balance_keyhunt_delay_tracking"), "Scanning frequency range...", kh_EnableTrackingDevice);
740 }
741
742 void kh_setstatus()
743 {
744         if(kh_teams)
745         {
746                 float kh_KEY;
747                 kh_KEY = (IT_RED_FLAG_TAKEN | IT_RED_FLAG_LOST | IT_BLUE_FLAG_TAKEN | IT_BLUE_FLAG_LOST); // the one impossible combination
748                 if(self.kh_next)
749                         self.items = self.items | kh_KEY;
750                 else
751                         self.items = self.items - (self.items & kh_KEY);
752         }
753 }
754
755 void kh_EnableTrackingDevice()
756 {
757         entity player;
758
759         FOR_EACH_PLAYER(player)
760                 if(clienttype(player) == CLIENTTYPE_REAL)
761                         centerprint_expire(player, CENTERPRIO_SPAM);
762
763         kh_tracking_enabled = TRUE;
764 }
765
766 float kh_Key_waypointsprite_for_player(entity e)
767 {
768         if(!kh_tracking_enabled)
769                 return 0;
770         if(!self.owner)
771                 return kh_sprite_dropped;
772         if(!self.owner.owner)
773                 return kh_sprite_dropped;
774         return 0; // draw only when key is not owned
775 }
776
777 float kh_KeyCarrier_waypointsprite_for_player(entity e)
778 {
779         if(e.classname != "player" || self.team != e.team)
780                 if(!kh_tracking_enabled)
781                         return 0;
782
783         // e is spectator? That's no team mate...
784         if(e.classname != "player")
785                 return kh_GetCarrierSprite(self.team, -1);
786         
787         // e is no key carrier: simple case...
788         if(!e.kh_next)
789                 return kh_GetCarrierSprite(self.team, e.team);
790         
791         // e is a key carrier: if any key is dropped or owned by another team, show
792         // the carrier sprite; otherwise show run here
793         if(kh_Key_AllOwnedByWhichTeam() == e.team)
794                 return kh_sprite_finish;
795
796         return kh_GetCarrierSprite(self.team, e.team);
797 }
798
799 float kh_HandleFrags(entity attacker, entity targ, float f)
800 {
801         if(attacker == targ)
802                 return f;
803
804         if(targ.kh_next)
805         {
806                 if(attacker.team == targ.team)
807                 {
808                         entity k;
809                         float nk;
810                         nk = 0;
811                         for(k = targ.kh_next; k != world; k = k.kh_next)
812                                 ++nk;
813                         kh_Scores_Event(attacker, targ.kh_next, "carrierfrag", -nk * cvar("g_balance_keyhunt_score_collect"), 0);
814                 }
815                 else
816                 {
817                         kh_Scores_Event(attacker, targ.kh_next, "carrierfrag", cvar("g_balance_keyhunt_score_carrierfrag")-1, 0);
818                 }
819         }
820
821         return f;
822 }
823
824 void kh_init()
825 {
826         precache_sound(kh_sound_capture);
827         precache_sound(kh_sound_destroy);
828         precache_sound(kh_sound_drop);
829         precache_sound(kh_sound_collect);
830
831         precache_model("models/sprites/key-dropped.sp2");
832         precache_model("models/sprites/keycarrier-finish.sp2");
833         precache_model("models/sprites/keycarrier-friend.sp2");
834         precache_model("models/sprites/keycarrier-red.sp2");
835         precache_model("models/sprites/keycarrier-blue.sp2");
836         precache_model("models/sprites/keycarrier-yellow.sp2");
837         precache_model("models/sprites/keycarrier-pink.sp2");
838 #ifdef KH_PLAYER_USE_CARRIEDMODEL
839         precache_model("models/keyhunt/key-carried.md3");
840 #endif
841         precache_model("models/keyhunt/key.md3");
842
843         // setup variables
844         kh_teams = cvar("g_keyhunt_teams_override");
845         if(kh_teams < 2)
846                 kh_teams = cvar("g_keyhunt_teams");
847         kh_teams = bound(2, kh_teams, 4);
848
849         // make a KH entity for controlling the game
850         kh_controller = spawn();
851         kh_controller.think = kh_Controller_Think;
852         kh_Controller_SetThink(0, "", kh_WaitForPlayers);
853
854         setmodel(kh_controller, "models/keyhunt/key.md3");
855         kh_key_dropped = kh_controller.modelindex;
856         /*
857         dprint(vtos(kh_controller.mins)); 
858         dprint(vtos(kh_controller.maxs)); 
859         dprint("\n");
860         */
861 #ifdef KH_PLAYER_USE_CARRIEDMODEL
862         setmodel(kh_controller, "models/keyhunt/key-carried.md3");
863         kh_key_carried = kh_controller.modelindex;
864 #else
865         kh_key_carried = kh_key_dropped;
866 #endif
867         setmodel(kh_controller, "models/sprites/key-dropped.sp2");
868         kh_sprite_dropped = kh_controller.modelindex;
869         setmodel(kh_controller, "models/sprites/keycarrier-finish.sp2");
870         kh_sprite_finish = kh_controller.modelindex;
871         setmodel(kh_controller, "models/sprites/keycarrier-friend.sp2");
872         kh_sprite_friend = kh_controller.modelindex;
873         setmodel(kh_controller, "models/sprites/keycarrier-red.sp2");
874         kh_sprite_red = kh_controller.modelindex;
875         setmodel(kh_controller, "models/sprites/keycarrier-blue.sp2");
876         kh_sprite_blue = kh_controller.modelindex;
877         setmodel(kh_controller, "models/sprites/keycarrier-pink.sp2");
878         kh_sprite_pink = kh_controller.modelindex;
879         setmodel(kh_controller, "models/sprites/keycarrier-yellow.sp2");
880         kh_sprite_yellow = kh_controller.modelindex;
881         setmodel(kh_controller, "");
882 }
883
884 void kh_finalize()
885 {
886         // to be called before intermission
887         kh_FinishRound();
888         remove(kh_controller);
889         kh_controller = world;
890 }