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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 = 4;
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
46 string kh_sound_capture = "sound/ctf/capture.wav";
47 string kh_sound_destroy = "sound/ctf/return.wav";
48 string kh_sound_drop = "sound/misc/mouseclick.wav";
49 string kh_sound_collect = "sound/ctf/take.wav";
50
51 float kh_sprite_dropped, kh_sprite_finish, kh_sprite_red, kh_sprite_blue, kh_sprite_pink, kh_sprite_yellow, kh_sprite_friend;
52 float kh_key_dropped, kh_key_carried;
53
54 float kh_GetCarrierSprite(float t, float e)
55 {
56         if(t == e)           return kh_sprite_friend;
57         if(t == COLOR_TEAM1) return kh_sprite_red;
58         if(t == COLOR_TEAM2) return kh_sprite_blue;
59         if(t == COLOR_TEAM3) return kh_sprite_yellow;
60         if(t == COLOR_TEAM4) return kh_sprite_pink;
61         return 0;
62 }
63
64 void kh_Controller_SetThink(float t, string msg, kh_Think_t func)
65 {
66         kh_Controller_Thinkfunc = func;
67         kh_controller.cnt = t;
68         if(kh_Controller_Waitmsg != "")
69                 strunzone(kh_Controller_Waitmsg);
70         if(msg == "")
71                 kh_Controller_Waitmsg = "";
72         else
73                 kh_Controller_Waitmsg = strzone(msg);
74         if(t == 0)
75                 kh_controller.nextthink = time; // force
76 }
77
78 void kh_Controller_Think()
79 {
80         entity e;
81         if(intermission_running)
82                 return;
83         if(self.cnt > 0)
84         {
85                 if(kh_Controller_Waitmsg != "")
86                 {
87                         string s;
88                         if(substring(kh_Controller_Waitmsg, strlen(kh_Controller_Waitmsg)-1, 1) == " ")
89                                 s = strcat(kh_Controller_Waitmsg, ftos(self.cnt));
90                         else
91                                 s = kh_Controller_Waitmsg;
92
93                         //dprint(s, "\n");
94
95                         FOR_EACH_PLAYER(e)
96                                 if(clienttype(e) == CLIENTTYPE_REAL)
97                                         centerprint_atprio(e, CENTERPRIO_SPAM, s);
98                 }
99                 self.cnt -= 1;
100         }
101         else if(self.cnt == 0)
102         {
103                 self.cnt -= 1;
104                 kh_Controller_Thinkfunc();
105         }
106         self.nextthink = time + 1;
107 }
108
109 // frags f: take from cvar * f
110 // frags 0: no frags
111 void kh_Scores_Event(entity player, entity key, string what, float frags_player, float frags_owner)
112 {
113         string s;
114         if(intermission_running)
115                 return;
116         if(frags_player)
117                 player.frags = player.frags + floor(0.5 + frags_player);
118         if(frags_owner)
119                 key.owner.frags = key.owner.frags + floor(0.5 + frags_owner);
120         if(!cvar("sv_eventlog"))
121                 return;
122         s = strcat(":keyhunt:", what, ":", ftos(player.playerid));
123         s = strcat(s, ":", ftos(frags_player));
124         if(key && key.owner)
125                 s = strcat(s, ":", ftos(key.owner.playerid));
126         else
127                 s = strcat(s, ":0");
128         s = strcat(s, ":", ftos(frags_owner), ":");
129         if(key)
130                 s = strcat(s, key.netname);
131         GameLogEcho(s, FALSE);
132 }
133
134 vector kh_AttachedOrigin(entity e)
135 {
136         if(e.tag_entity)
137         {
138                 makevectors(e.tag_entity.angles);
139                 return e.tag_entity.origin + e.origin_x * v_forward - e.origin_y * v_right + e.origin_z * v_up;
140         }
141         else
142                 return e.origin;
143 }
144
145 void kh_Key_Attach(entity key)
146 {
147 #ifdef KH_PLAYER_USE_ATTACHMENT
148         entity first;
149         first = key.owner.kh_next;
150         if(key == first)
151         {
152                 setattachment(key, key.owner, KH_PLAYER_ATTACHMENT_BONE);
153                 if(key.kh_next)
154                 {
155                         setattachment(key.kh_next, key, "");
156                         setorigin(key, key.kh_next.origin - 0.5 * KH_PLAYER_ATTACHMENT_DIST);
157                         setorigin(key.kh_next, KH_PLAYER_ATTACHMENT_DIST_ROTATED);
158                         key.kh_next.angles = '0 0 0';
159                 }
160                 else
161                         setorigin(key, KH_PLAYER_ATTACHMENT);
162                 key.angles = KH_PLAYER_ATTACHMENT_ANGLES;
163         }
164         else
165         {
166                 setattachment(key, key.kh_prev, "");
167                 if(key.kh_next)
168                         setattachment(key.kh_next, key, "");
169                 setorigin(key, KH_PLAYER_ATTACHMENT_DIST_ROTATED);
170                 setorigin(first, first.origin - 0.5 * KH_PLAYER_ATTACHMENT_DIST);
171                 key.angles = '0 0 0';
172         }
173 #else
174         setattachment(key, key.owner, "");
175         setorigin(key, '0 0 1' * KH_KEY_ZSHIFT); // fixing x, y in think
176         key.angles_y -= key.owner.angles_y;
177 #endif
178         key.flags = 0;
179         key.solid = SOLID_NOT;
180         key.movetype = MOVETYPE_NONE;
181         key.team = key.owner.team;
182         key.nextthink = time;
183         key.damageforcescale = 0;
184         key.modelindex = kh_key_carried;
185 }
186
187 void kh_Key_Detach(entity key)
188 {
189 #ifdef KH_PLAYER_USE_ATTACHMENT
190         entity first;
191         first = key.owner.kh_next;
192         if(key == first)
193         {
194                 if(key.kh_next)
195                 {
196                         setattachment(key.kh_next, key.owner, KH_PLAYER_ATTACHMENT_BONE);
197                         setorigin(key.kh_next, key.origin + 0.5 * KH_PLAYER_ATTACHMENT_DIST);
198                         key.kh_next.angles = KH_PLAYER_ATTACHMENT_ANGLES;
199                 }
200         }
201         else
202         {
203                 if(key.kh_next)
204                         setattachment(key.kh_next, key.kh_prev, "");
205                 setorigin(first, first.origin + 0.5 * KH_PLAYER_ATTACHMENT_DIST);
206         }
207         // in any case:
208         setattachment(key, world, "");
209         setorigin(key, key.owner.origin + '0 0 1' * (PL_MIN_z - KH_KEY_MIN_z));
210         key.angles = key.owner.angles;
211 #else
212         setorigin(key, key.owner.origin + key.origin_z * '0 0 1');
213         setattachment(key, world, "");
214         key.angles_y += key.owner.angles_y;
215 #endif
216         key.aiment = world;
217         key.flags = FL_ITEM;
218         key.solid = SOLID_TRIGGER;
219         key.movetype = MOVETYPE_TOSS;
220         key.pain_finished = time + cvar("g_balance_keyhunt_delay_return");
221         key.damageforcescale = cvar("g_balance_keyhunt_damageforcescale");
222         // let key.team stay
223         key.modelindex = kh_key_dropped;
224 }
225
226 void kh_Key_AssignTo(entity key, entity player)
227 {
228         if(key.owner == player)
229                 return;
230
231         if(key.owner)
232         {
233                 kh_Key_Detach(key);
234
235                 // remove from linked list
236                 if(key.kh_next)
237                         key.kh_next.kh_prev = key.kh_prev;
238                 key.kh_prev.kh_next = key.kh_next;
239                 key.kh_next = world;
240                 key.kh_prev = world;
241
242                 if(key.owner.kh_next == world)
243                 {
244                         // No longer a key carrier
245                         WaypointSprite_DetachCarrier(key.owner);
246                 }
247         }
248
249         key.owner = player;
250
251         if(player)
252         {
253                 // insert into linked list
254                 key.kh_next = player.kh_next;
255                 key.kh_prev = player;
256                 player.kh_next = key;
257                 if(key.kh_next)
258                         key.kh_next.kh_prev = key;
259
260                 kh_Key_Attach(key);
261
262                 if(key.kh_next == world)
263                 {
264                         // player is now a key carrier
265                         WaypointSprite_AttachCarrier("", player);
266                         player.waypointsprite_attachedforcarrier.waypointsprite_for_player = kh_KeyCarrier_waypointsprite_for_player;
267                         player.waypointsprite_attachedforcarrier.team = player.team;
268                 }
269         }
270
271         key.pusher = world;
272 }
273
274 void kh_Key_Damage(entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
275 {
276         if(self.owner)
277                 return;
278         if(vlen(force) <= 0)
279                 return;
280         if(time > self.pushltime)
281                 if(attacker.classname == "player")
282                         self.team = attacker.team;
283 }
284
285 vector kh_TeamColor(float teem)
286 {
287         switch(teem)
288         {
289                 case COLOR_TEAM1:
290                         //return '103 0 0' / 255.0;
291                         return '0.4039 0.0000 0.0000';
292                 case COLOR_TEAM2:
293                         //return '35 35 191' / 255.0;
294                         return '0.1373 0.1373 0.7490';
295                 case COLOR_TEAM3:
296                         //return '187 167 15' / 255.0;
297                         return '0.7333 0.6549 0.0588';
298                 case COLOR_TEAM4:
299                         //return '139 79 107' / 255.0;
300                         return '0.5451 0.3099 0.4196';
301                 default:
302                         return '1 1 1';
303         }
304 }
305
306 void kh_Key_Spawn(entity initial_owner, float angle)
307 {
308         entity key;
309         key = spawn();
310         key.classname = STR_ITEM_KH_KEY;
311         key.touch = kh_Key_Touch;
312         key.think = kh_Key_Think;
313         key.nextthink = time;
314         key.items = IT_KEY1 | IT_KEY2;
315         key.cnt = angle;
316         key.angles = '0 360 0' * random();
317         key.event_damage = kh_Key_Damage;
318         key.modelindex = kh_key_dropped;
319         key.model = "key";
320         key.kh_dropperteam = 0;
321         key.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP;
322         setsize(key, KH_KEY_MIN, KH_KEY_MAX);
323         key.colormod = kh_TeamColor(initial_owner.team) * KH_KEY_BRIGHTNESS;
324
325         switch(initial_owner.team)
326         {
327                 case COLOR_TEAM1:
328                         key.netname = "^1red key";
329                         break;
330                 case COLOR_TEAM2:
331                         key.netname = "^4blue key";
332                         break;
333                 case COLOR_TEAM3:
334                         key.netname = "^3yellow key";
335                         break;
336                 case COLOR_TEAM4:
337                         key.netname = "^6pink key";
338                         break;
339                 default:
340                         key.netname = "NETGIER key";
341                         break;
342         }
343
344         sprint(initial_owner, strcat("You got the ^2", key.netname, "\n"));
345
346         WaypointSprite_Spawn("", 0, 0, key, '0 0 1' * KH_KEY_WP_ZSHIFT, world, key.team, key, waypointsprite_attachedforcarrier, FALSE);
347         key.waypointsprite_attachedforcarrier.waypointsprite_for_player = kh_Key_waypointsprite_for_player;
348
349         kh_Key_AssignTo(key, initial_owner);
350 }
351
352 void kh_Key_Remove(entity key)
353 {
354         entity o;
355         o = key.owner;
356         kh_Key_AssignTo(key, world);
357         if(o) // it was attached
358                 WaypointSprite_Kill(key.waypointsprite_attachedforcarrier);
359         else // it was dropped
360                 WaypointSprite_DetachCarrier(key);
361
362         remove(key);
363 }
364
365 // -1 when no team completely owns all keys yet
366 float kh_Key_AllOwnedByWhichTeam()
367 {
368         entity key;
369         float teem;
370
371         teem = -1;
372         FOR_EACH_KH_KEY(key)
373         {
374                 if(!key.owner)
375                         return -1;
376                 if(teem == -1)
377                         teem = key.team;
378                 else if(teem != key.team)
379                         return -1;
380         }
381         return teem;
382 }
383
384 void kh_Key_Collect(entity key, entity player)
385 {
386         sound(player, CHAN_AUTO, kh_sound_collect, 1, ATTN_NORM);
387
388         if(key.kh_dropperteam != player.team)
389                 kh_Scores_Event(player, key, "collect", cvar("g_balance_keyhunt_score_collect"), 0);
390         key.kh_dropperteam = 0;
391         bprint(player.netname, "^7 collected the ", key.netname, "\n");
392         kh_Key_AssignTo(key, player);
393
394         if(kh_Key_AllOwnedByWhichTeam() != -1)
395         {
396                 kh_interferemsg_time = time + 0.2;
397                 kh_interferemsg_team = player.team;
398         }
399 }
400
401 void kh_Key_DropAll(entity player, float suicide)
402 {
403         entity key;
404         entity mypusher;
405         if(player.kh_next)
406         {
407                 mypusher = world;
408                 if(player.pusher)
409                         if(time < player.pushltime)
410                                 mypusher = player.pusher;
411                 while((key = player.kh_next))
412                 {
413                         kh_Scores_Event(player, key, "losekey", 0, 0);
414                         bprint(player.netname, "^7 lost the ", key.netname, "\n");
415                         kh_Key_AssignTo(key, world);
416                         makevectors('-1 0 0' * (45 + 45 * random()) + '0 360 0' * random());
417                         key.velocity = W_CalculateProjectileVelocity(player.velocity, cvar("g_balance_keyhunt_dropvelocity") * v_forward);
418                         key.pusher = mypusher;
419                         key.pushltime = time + cvar("g_balance_keyhunt_protecttime");
420                         if(suicide)
421                                 key.kh_dropperteam = player.team;
422                 }
423                 sound(player, CHAN_AUTO, kh_sound_drop, 1, ATTN_NORM);
424         }
425 }
426
427 void kh_Key_Touch()
428 {
429         if(intermission_running)
430                 return;
431
432         if(self.owner) // already carried
433                 return;
434         if(other.classname != "player")
435                 return;
436         if(other.deadflag != DEAD_NO)
437                 return;
438         if(other == self.enemy)
439                 if(time < self.kh_droptime + cvar("g_balance_keyhunt_delay_collect"))
440                         return; // you just dropped it!
441         kh_Key_Collect(self, other);
442 }
443
444 void kh_Key_Think()
445 {
446         entity head;
447
448         if(intermission_running)
449                 return;
450
451 #ifdef KH_KEY_ATTACHMENT_DEBUG
452         if(self.kh_prev == self.owner)
453         {
454                 if(cvar_string("_angles") != "")
455                 {
456                         self.angles = stov(cvar_string("_angles"));
457                         self.origin = stov(cvar_string("_origin"));
458                 }
459         }
460 #endif
461
462         if(self.owner)
463         {
464 #ifndef KH_PLAYER_USE_ATTACHMENT
465                 makevectors('0 1 0' * (self.cnt + math_mod(time, 360) * KH_KEY_XYSPEED));
466                 setorigin(self, v_forward * KH_KEY_XYDIST + '0 0 1' * self.origin_z);
467 #endif
468
469                 if(self.owner.buttonuse)
470                 if(time >= self.owner.kh_droptime + cvar("g_balance_keyhunt_delay_drop"))
471                 {
472                         self.owner.kh_droptime = time;
473                         self.kh_droptime = time; // prevent collecting this one for some time
474                         self.enemy = self.owner;
475                         self.pusher = world;
476                         kh_Scores_Event(self.owner, self, "dropkey", 0, 0);
477                         bprint(self.owner.netname, "^7 dropped the ", self.netname, "\n");
478                         sound(self.owner, CHAN_AUTO, kh_sound_drop, 1, ATTN_NORM);
479                         makevectors(self.owner.v_angle);
480                         self.velocity = W_CalculateProjectileVelocity(self.owner.velocity, cvar("g_balance_keyhunt_throwvelocity") * v_forward);
481                         kh_Key_AssignTo(self, world);
482                         self.pushltime = time + cvar("g_balance_keyhunt_protecttime");
483                         self.kh_dropperteam = self.team;
484                 }
485         }
486
487         // if in nodrop or time over, end the round
488         if(!self.owner)
489                 if(time > self.pain_finished)
490                         kh_LoserTeam(self.team, self);
491         
492         if(self.owner)
493         if(kh_Key_AllOwnedByWhichTeam() != -1)
494         {
495                 entity key;
496                 vector p;
497                 p = self.owner.origin;
498                 FOR_EACH_KH_KEY(key)
499                         if(vlen(key.owner.origin - p) > cvar("g_balance_keyhunt_maxdist"))
500                                 goto not_winning;
501                 kh_WinnerTeam(self.team);
502 :not_winning
503         }
504
505         if(kh_interferemsg_time && time > kh_interferemsg_time)
506         {
507                 kh_interferemsg_time = 0;
508                 FOR_EACH_PLAYER(head)
509                 {
510                         if(head.team == kh_interferemsg_team)
511                                 if(head.kh_next)
512                                         centerprint(head, "All keys are in your team's hands!\n\nMeet the other key carriers ^1NOW^7!\n");
513                                 else
514                                         centerprint(head, "All keys are in your team's hands!\n\nHelp the key carriers to meet!\n");
515                         else
516                                 centerprint(head, strcat("All keys are in the ", ColoredTeamName(kh_interferemsg_team), "^7's hands!\n\nInterfere ^1NOW^7!\n"));
517                 }
518         }
519
520         self.nextthink = time + 0.05;
521 }
522
523 void kh_WinnerTeam(float teem)
524 {
525         // all key carriers get some points
526         vector firstorigin, lastorigin, midpoint;
527         float first;
528         entity key;
529         float score;
530         score = (kh_teams - 1) * cvar("g_balance_keyhunt_score_capture");
531         DistributeEvenly_Init(score, kh_teams);
532         // twice the score for 3 team games, three times the score for 4 team games!
533         // note: for a win by destroying the key, this should NOT be applied
534         FOR_EACH_KH_KEY(key)
535                 kh_Scores_Event(key.owner, key, "capture", DistributeEvenly_Get(1), 0);
536
537         first = TRUE;
538         FOR_EACH_KH_KEY(key)
539                 if(key.owner.kh_next == key)
540                 {
541                         if(!first)
542                                 bprint("^7, ");
543                         bprint(key.owner.netname);
544                         first = FALSE;
545                 }
546         bprint("^7 captured the keys for the ", ColoredTeamName(teem), "\n");
547
548         first = TRUE;
549         midpoint = '0 0 0';
550         FOR_EACH_KH_KEY(key)
551         {
552                 vector thisorigin;
553
554                 thisorigin = kh_AttachedOrigin(key);
555                 //dprint("Key origin: ", vtos(thisorigin), "\n");
556                 midpoint += thisorigin;
557
558                 if(!first)
559                         te_lightning2(world, lastorigin, thisorigin);
560                 lastorigin = thisorigin;
561                 if(first)
562                         firstorigin = thisorigin;
563                 first = FALSE;
564         }
565         if(kh_teams > 2)
566         {
567                 te_lightning2(world, lastorigin, firstorigin);
568         }
569         midpoint = midpoint * (1 / kh_teams);
570         te_customflash(midpoint, 1000, 1, kh_TeamColor(teem) * 0.5 + '0.5 0.5 0.5'); // make the color >=0.5 in each component
571
572         sound(world, CHAN_AUTO, kh_sound_capture, 1, ATTN_NONE);
573         kh_FinishRound();
574 }
575
576 void kh_LoserTeam(float teem, entity lostkey)
577 {
578         entity player, key, attacker;
579         float players;
580         float keys;
581
582         attacker = world;
583         if(lostkey.pusher)
584                 if(lostkey.pusher.team != teem)
585                         if(lostkey.pusher.classname == "player")
586                                 attacker = lostkey.pusher;
587
588         players = keys = 0;
589
590         if(attacker)
591         {
592                 kh_Scores_Event(attacker, world, "push", cvar("g_balance_keyhunt_score_push"), 0);
593                 centerprint(attacker, "Your push is the best!\n\n\n");
594                 bprint("The ", ColoredTeamName(teem), "^7 could not take care of the ", lostkey.netname, "^7 when ", attacker.netname, "^7 came\n");
595         }
596         else
597         {
598                 float of, fragsleft, i, j, thisteam;
599                 of = cvar("g_balance_keyhunt_score_destroyed_ownfactor");
600
601                 FOR_EACH_PLAYER(player)
602                         if(player.team != teem)
603                                 ++players;
604                 
605                 FOR_EACH_KH_KEY(key)
606                         if(key.owner && key.team != teem)
607                                 ++keys;
608
609                 DistributeEvenly_Init(cvar("g_balance_keyhunt_score_destroyed"), keys * of + players);
610
611                 FOR_EACH_KH_KEY(key)
612                         if(key.owner && key.team != teem)
613                                 kh_Scores_Event(key.owner, world, "destroyed_holdingkey", DistributeEvenly_Get(of), 0);
614
615                 fragsleft = DistributeEvenly_Get(players);
616
617                 // Now distribute these among all other teams...
618                 j = kh_teams - 1;
619                 for(i = 0; i < kh_teams; ++i)
620                 {
621                         thisteam = kh_Team_ByID(i);
622                         if(thisteam == teem) // bad boy, no cookie - this WILL happen
623                                 continue;
624
625                         players = 0;
626                         FOR_EACH_PLAYER(player)
627                                 if(player.team == thisteam)
628                                         ++players;
629
630                         DistributeEvenly_Init(fragsleft, j);
631                         fragsleft = DistributeEvenly_Get(j - 1);
632                         DistributeEvenly_Init(DistributeEvenly_Get(1), players);
633
634                         FOR_EACH_PLAYER(player)
635                                 if(player.team == thisteam)
636                                         kh_Scores_Event(player, world, "destroyed", DistributeEvenly_Get(1), 0);
637
638                         --j;
639                 }
640
641                 bprint("The ", ColoredTeamName(teem), "^7 could not take care of the ", lostkey.netname, "\n");
642         }
643         sound(world, CHAN_AUTO, kh_sound_destroy, 1, ATTN_NONE);
644         te_tarexplosion(lostkey.origin);
645
646         kh_FinishRound();
647 }
648
649 void kh_FinishRound()
650 {
651         // prepare next round
652         kh_interferemsg_time = 0;
653         entity key;
654         FOR_EACH_KH_KEY(key)
655                 kh_Key_Remove(key);
656
657         kh_Controller_SetThink(cvar("g_balance_keyhunt_delay_round"), "Round starts in ", kh_StartRound);
658 }
659
660 string kh_CheckEnoughPlayers()
661 {
662         float i, players, teem;
663         entity player;
664         string result;
665         result = "";
666         
667         // find a random player per team
668         for(i = 0; i < kh_teams; ++i)
669         {
670                 teem = kh_Team_ByID(i);
671                 players = 0;
672                 FOR_EACH_PLAYER(player)
673                         if(player.deadflag == DEAD_NO)
674                                 if(!player.buttonchat)
675                                         if(player.team == teem)
676                                                 ++players;
677                 if(players == 0)
678                 {
679                         if(result != "")
680                                 result = strcat(result, ", ");
681                         result = strcat(result, ColoredTeamName(teem));
682                 }
683         }
684         return result;
685 }
686
687 void kh_WaitForPlayers()
688 {
689         string teams_missing;
690         teams_missing = kh_CheckEnoughPlayers();
691         if(teams_missing == "")
692                 kh_Controller_SetThink(cvar("g_balance_keyhunt_delay_round"), "Round starts in ", kh_StartRound);
693         else
694                 kh_Controller_SetThink(1, strcat("Waiting for players to join...\n\nNeed active players for: ", teams_missing), kh_WaitForPlayers);
695 }
696
697 void kh_StartRound()
698 {
699         string teams_missing;
700         float i, players, teem;
701         entity player;
702
703         teams_missing = kh_CheckEnoughPlayers();
704         if(teams_missing != "")
705         {
706                 kh_Controller_SetThink(1, strcat("Waiting for players to join...\n\nNeed active players for: ", teams_missing), kh_WaitForPlayers);
707                 return;
708         }
709
710         FOR_EACH_PLAYER(player)
711                 if(clienttype(player) == CLIENTTYPE_REAL)
712                         centerprint_expire(player, CENTERPRIO_SPAM);
713
714         for(i = 0; i < kh_teams; ++i)
715         {
716                 teem = kh_Team_ByID(i);
717                 players = 0;
718                 entity my_player;
719                 FOR_EACH_PLAYER(player)
720                         if(player.deadflag == DEAD_NO)
721                                 if(!player.buttonchat)
722                                         if(player.team == teem)
723                                         {
724                                                 ++players;
725                                                 if(random() * players <= 1)
726                                                         my_player = player;
727                                         }
728                 kh_Key_Spawn(my_player, 360 * i / kh_teams);
729                 //kh_Key_Spawn(my_player, 360 * i / kh_teams);
730                 //kh_Key_Spawn(my_player, 360 * i / kh_teams);
731         }
732
733         kh_tracking_enabled = FALSE;
734         kh_Controller_SetThink(cvar("g_balance_keyhunt_delay_tracking"), "Scanning frequency range...", kh_EnableTrackingDevice);
735 }
736
737 void kh_setstatus()
738 {
739         if(kh_teams)
740         {
741                 float kh_KEY;
742                 kh_KEY = (IT_RED_FLAG_TAKEN | IT_RED_FLAG_LOST | IT_BLUE_FLAG_TAKEN | IT_BLUE_FLAG_LOST); // the one impossible combination
743                 if(self.kh_next)
744                         self.items = self.items | kh_KEY;
745                 else
746                         self.items = self.items - (self.items & kh_KEY);
747         }
748 }
749
750 void kh_EnableTrackingDevice()
751 {
752         entity player;
753
754         FOR_EACH_PLAYER(player)
755                 if(clienttype(player) == CLIENTTYPE_REAL)
756                         centerprint_expire(player, CENTERPRIO_SPAM);
757
758         kh_tracking_enabled = TRUE;
759 }
760
761 float kh_Key_waypointsprite_for_player(entity e)
762 {
763         if(!kh_tracking_enabled)
764                 return 0;
765         if(!self.owner)
766                 return kh_sprite_dropped;
767         if(!self.owner.owner)
768                 return kh_sprite_dropped;
769         return 0; // draw only when key is not owned
770 }
771
772 float kh_KeyCarrier_waypointsprite_for_player(entity e)
773 {
774         if(e.classname != "player" || self.team != e.team)
775                 if(!kh_tracking_enabled)
776                         return 0;
777
778         // e is spectator? That's no team mate...
779         if(e.classname != "player")
780                 return kh_GetCarrierSprite(self.team, -1);
781         
782         // e is no key carrier: simple case...
783         if(!e.kh_next)
784                 return kh_GetCarrierSprite(self.team, e.team);
785         
786         // e is a key carrier: if any key is dropped or owned by another team, show
787         // the carrier sprite; otherwise show run here
788         if(kh_Key_AllOwnedByWhichTeam() == e.team)
789                 return kh_sprite_finish;
790
791         return kh_GetCarrierSprite(self.team, e.team);
792 }
793
794 float kh_HandleFrags(entity attacker, entity targ, float f)
795 {
796         if(attacker == targ)
797                 return f;
798
799         if(targ.kh_next)
800         {
801                 if(attacker.team == targ.team)
802                 {
803                         entity k;
804                         float nk;
805                         nk = 0;
806                         for(k = targ.kh_next; k != world; k = k.kh_next)
807                                 ++nk;
808                         kh_Scores_Event(attacker, targ.kh_next, "carrierfrag", -nk * cvar("g_balance_keyhunt_score_collect"), 0);
809                 }
810                 else
811                 {
812                         kh_Scores_Event(attacker, targ.kh_next, "carrierfrag", cvar("g_balance_keyhunt_score_carrierfrag")-1, 0);
813                 }
814         }
815
816         return f;
817 }
818
819 void kh_init()
820 {
821         precache_sound(kh_sound_capture);
822         precache_sound(kh_sound_destroy);
823         precache_sound(kh_sound_drop);
824         precache_sound(kh_sound_collect);
825
826         precache_model("models/sprites/key-dropped.sp2");
827         precache_model("models/sprites/keycarrier-finish.sp2");
828         precache_model("models/sprites/keycarrier-friend.sp2");
829         precache_model("models/sprites/keycarrier-red.sp2");
830         precache_model("models/sprites/keycarrier-blue.sp2");
831         precache_model("models/sprites/keycarrier-yellow.sp2");
832         precache_model("models/sprites/keycarrier-pink.sp2");
833 #ifdef KH_PLAYER_USE_CARRIEDMODEL
834         precache_model("models/keyhunt/key-carried.md3");
835 #endif
836         precache_model("models/keyhunt/key.md3");
837
838         // setup variables
839         kh_teams = cvar("g_keyhunt_teams_override");
840         if(kh_teams < 2)
841                 kh_teams = cvar("g_keyhunt_teams");
842         kh_teams = bound(2, kh_teams, 4);
843
844         // make a KH entity for controlling the game
845         kh_controller = spawn();
846         kh_controller.think = kh_Controller_Think;
847         kh_Controller_SetThink(0, "", kh_WaitForPlayers);
848
849         setmodel(kh_controller, "models/keyhunt/key.md3");
850         kh_key_dropped = kh_controller.modelindex;
851         /*
852         dprint(vtos(kh_controller.mins)); 
853         dprint(vtos(kh_controller.maxs)); 
854         dprint("\n");
855         */
856 #ifdef KH_PLAYER_USE_CARRIEDMODEL
857         setmodel(kh_controller, "models/keyhunt/key-carried.md3");
858         kh_key_carried = kh_controller.modelindex;
859 #else
860         kh_key_carried = kh_key_dropped;
861 #endif
862         setmodel(kh_controller, "models/sprites/key-dropped.sp2");
863         kh_sprite_dropped = kh_controller.modelindex;
864         setmodel(kh_controller, "models/sprites/keycarrier-finish.sp2");
865         kh_sprite_finish = kh_controller.modelindex;
866         setmodel(kh_controller, "models/sprites/keycarrier-friend.sp2");
867         kh_sprite_friend = kh_controller.modelindex;
868         setmodel(kh_controller, "models/sprites/keycarrier-red.sp2");
869         kh_sprite_red = kh_controller.modelindex;
870         setmodel(kh_controller, "models/sprites/keycarrier-blue.sp2");
871         kh_sprite_blue = kh_controller.modelindex;
872         setmodel(kh_controller, "models/sprites/keycarrier-pink.sp2");
873         kh_sprite_pink = kh_controller.modelindex;
874         setmodel(kh_controller, "models/sprites/keycarrier-yellow.sp2");
875         kh_sprite_yellow = kh_controller.modelindex;
876         setmodel(kh_controller, "");
877 }
878
879 void kh_finalize()
880 {
881         // to be called before intermission
882         kh_FinishRound();
883         remove(kh_controller);
884         kh_controller = world;
885 }