qcsrc/server/race.qc

   1 #include "race.qh"
   2
   3 #include <server/defs.qh>
   4 #include <server/miscfunctions.qh>
   5 #include "client.qh"
   6 #include "portals.qh"
   7 #include "scores.qh"
   8 #include "spawnpoints.qh"
   9 #include "bot/api.qh"
  10 #include "command/getreplies.qh"
  11 #include "../common/deathtypes/all.qh"
  12 #include "../common/notifications/all.qh"
  13 #include "../common/mapinfo.qh"
  14 #include <common/gamemodes/rules.qh>
  15 #include <common/net_linked.qh>
  16 #include <common/state.qh>
  17 #include <common/weapons/weapon/porto.qh>
  18 #include "../common/mapobjects/subs.qh"
  19 #include <common/mapobjects/triggers.qh>
  20 #include "../lib/warpzone/util_server.qh"
  21 #include "../lib/warpzone/common.qh"
  22 #include <common/vehicles/sv_vehicles.qh>
  23 #include "../common/mutators/mutator/waypoints/waypointsprites.qh"
  24
  25 IntrusiveList g_race_targets;
  26 STATIC_INIT(g_race_targets) { g_race_targets = IL_NEW(); }
  27
  28 void race_InitSpectator()
  29 {
  30         if(g_race_qualifying)
  31                 if(msg_entity.enemy.race_laptime)
  32                         race_SendNextCheckpoint(msg_entity.enemy, 1);
  33 }
  34
  35 float race_readTime(string map, float pos)
  36 {
  37         string rr = ((g_cts) ? CTS_RECORD : ((g_ctf) ? CTF_RECORD : RACE_RECORD));
  38
  39         return stof(db_get(ServerProgsDB, strcat(map, rr, "time", ftos(pos))));
  40 }
  41
  42 string race_readUID(string map, float pos)
  43 {
  44         string rr = ((g_cts) ? CTS_RECORD : ((g_ctf) ? CTF_RECORD : RACE_RECORD));
  45
  46         return db_get(ServerProgsDB, strcat(map, rr, "crypto_idfp", ftos(pos)));
  47 }
  48
  49 float race_readPos(string map, float t)
  50 {
  51         for(int i = 1; i <= RANKINGS_CNT; ++i)
  52         {
  53                 int mytime = race_readTime(map, i);
  54                 if(!mytime || mytime > t)
  55                         return i;
  56         }
  57
  58         return 0; // pos is zero if unranked
  59 }
  60
  61 void race_writeTime(string map, float t, string myuid)
  62 {
  63         string rr = ((g_cts) ? CTS_RECORD : ((g_ctf) ? CTF_RECORD : RACE_RECORD));
  64
  65         float newpos;
  66         newpos = race_readPos(map, t);
  67
  68         float i, prevpos = 0;
  69         for(i = 1; i <= RANKINGS_CNT; ++i)
  70         {
  71                 if(race_readUID(map, i) == myuid)
  72                         prevpos = i;
  73         }
  74         if (prevpos)
  75         {
  76                 // player improved his existing record, only have to iterate on ranks between new and old recs
  77                 for (i = prevpos; i > newpos; --i)
  78                 {
  79                         db_put(ServerProgsDB, strcat(map, rr, "time", ftos(i)), ftos(race_readTime(map, i - 1)));
  80                         db_put(ServerProgsDB, strcat(map, rr, "crypto_idfp", ftos(i)), race_readUID(map, i - 1));
  81                 }
  82         }
  83         else
  84         {
  85                 // player has no ranked record yet
  86                 for (i = RANKINGS_CNT; i > newpos; --i)
  87                 {
  88                         float other_time = race_readTime(map, i - 1);
  89                         if (other_time) {
  90                                 db_put(ServerProgsDB, strcat(map, rr, "time", ftos(i)), ftos(other_time));
  91                                 db_put(ServerProgsDB, strcat(map, rr, "crypto_idfp", ftos(i)), race_readUID(map, i - 1));
  92                         }
  93                 }
  94         }
  95
  96         // store new time itself
  97         db_put(ServerProgsDB, strcat(map, rr, "time", ftos(newpos)), ftos(t));
  98         db_put(ServerProgsDB, strcat(map, rr, "crypto_idfp", ftos(newpos)), myuid);
  99 }
 100
 101 string race_readName(string map, float pos)
 102 {
 103         string rr = ((g_cts) ? CTS_RECORD : ((g_ctf) ? CTF_RECORD : RACE_RECORD));
 104
 105         return uid2name(db_get(ServerProgsDB, strcat(map, rr, "crypto_idfp", ftos(pos))));
 106 }
 107
 108
 109 const float MAX_CHECKPOINTS = 255;
 110
 111 .float race_penalty;
 112 .float race_penalty_accumulator;
 113 .string race_penalty_reason;
 114 .float race_checkpoint; // player: next checkpoint that has to be reached
 115 .entity race_lastpenalty;
 116
 117 .entity sprite;
 118
 119 float race_checkpoint_records[MAX_CHECKPOINTS];
 120 string race_checkpoint_recordholders[MAX_CHECKPOINTS];
 121 float race_checkpoint_lasttimes[MAX_CHECKPOINTS];
 122 float race_checkpoint_lastlaps[MAX_CHECKPOINTS];
 123 entity race_checkpoint_lastplayers[MAX_CHECKPOINTS];
 124
 125 .float race_checkpoint_record[MAX_CHECKPOINTS];
 126
 127 float race_highest_checkpoint;
 128 float race_timed_checkpoint;
 129
 130 float defrag_ents;
 131 float defragcpexists;
 132
 133 float race_NextCheckpoint(float f)
 134 {
 135         if(f >= race_highest_checkpoint)
 136                 return 0;
 137         else
 138                 return f + 1;
 139 }
 140
 141 float race_PreviousCheckpoint(float f)
 142 {
 143         if(f == -1)
 144                 return 0;
 145         else if(f == 0)
 146                 return race_highest_checkpoint;
 147         else
 148                 return f - 1;
 149 }
 150
 151 // encode as:
 152 //   0 = common start/finish
 153 // 254 = start
 154 // 255 = finish
 155 float race_CheckpointNetworkID(float f)
 156 {
 157         if(race_timed_checkpoint)
 158         {
 159                 if(f == 0)
 160                         return 254; // start
 161                 else if(f == race_timed_checkpoint)
 162                         return 255; // finish
 163         }
 164         return f;
 165 }
 166
 167 void race_SendNextCheckpoint(entity e, float spec) // qualifying only
 168 {
 169         if(!e.race_laptime)
 170                 return;
 171
 172         int cp = e.race_checkpoint;
 173         float recordtime = race_checkpoint_records[cp];
 174         float myrecordtime = e.race_checkpoint_record[cp];
 175         string recordholder = race_checkpoint_recordholders[cp];
 176         if(recordholder == e.netname)
 177                 recordholder = "";
 178
 179         if(!IS_REAL_CLIENT(e))
 180                 return;
 181
 182         if(!spec)
 183                 msg_entity = e;
 184         WRITESPECTATABLE_MSG_ONE(msg_entity, {
 185                 WriteHeader(MSG_ONE, TE_CSQC_RACE);
 186                 if(spec)
 187                 {
 188                         WriteByte(MSG_ONE, RACE_NET_CHECKPOINT_NEXT_SPEC_QUALIFYING);
 189                         //WriteCoord(MSG_ONE, e.race_laptime - e.race_penalty_accumulator);
 190                         WriteCoord(MSG_ONE, time - e.race_movetime - e.race_penalty_accumulator);
 191                 }
 192                 else
 193                         WriteByte(MSG_ONE, RACE_NET_CHECKPOINT_NEXT_QUALIFYING);
 194                 WriteByte(MSG_ONE, race_CheckpointNetworkID(cp)); // checkpoint the player will be at next
 195                 WriteInt24_t(MSG_ONE, recordtime);
 196                 if(!spec)
 197                         WriteInt24_t(MSG_ONE, myrecordtime);
 198                 WriteString(MSG_ONE, recordholder);
 199         });
 200 }
 201
 202 void race_send_recordtime(float msg)
 203 {
 204         // send the server best time
 205         WriteHeader(msg, TE_CSQC_RACE);
 206         WriteByte(msg, RACE_NET_SERVER_RECORD);
 207         WriteInt24_t(msg, race_readTime(GetMapname(), 1));
 208 }
 209
 210
 211 void race_send_speedaward(float msg)
 212 {
 213         // send the best speed of the round
 214         WriteHeader(msg, TE_CSQC_RACE);
 215         WriteByte(msg, RACE_NET_SPEED_AWARD);
 216         WriteInt24_t(msg, floor(speedaward_speed+0.5));
 217         WriteString(msg, speedaward_holder);
 218 }
 219
 220 void race_send_speedaward_alltimebest(float msg)
 221 {
 222         // send the best speed
 223         WriteHeader(msg, TE_CSQC_RACE);
 224         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);
 225         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));
 226         WriteString(msg, speedaward_alltimebest_holder);
 227 }
 228
 229 void race_send_rankings_cnt(float msg)
 230 {
 231         WriteHeader(msg, TE_CSQC_RACE);
 232         WriteByte(msg, RACE_NET_RANKINGS_CNT);
 233         int m = min(RANKINGS_CNT, autocvar_g_cts_send_rankings_cnt);
 234         WriteByte(msg, m);
 235 }
 236
 237 void race_SendRankings(float pos, float prevpos, float del, float msg)
 238 {
 239         WriteHeader(msg, TE_CSQC_RACE);
 240         WriteByte(msg, RACE_NET_SERVER_RANKINGS);
 241         WriteShort(msg, pos);
 242         WriteShort(msg, prevpos);
 243         WriteShort(msg, del);
 244         WriteString(msg, race_readName(GetMapname(), pos));
 245         WriteInt24_t(msg, race_readTime(GetMapname(), pos));
 246 }
 247
 248 void race_SendStatus(float id, entity e)
 249 {
 250         if(!IS_REAL_CLIENT(e))
 251                 return;
 252
 253         float msg;
 254         if (id == 0)
 255                 msg = MSG_ONE;
 256         else
 257                 msg = MSG_ALL;
 258         msg_entity = e;
 259         WRITESPECTATABLE_MSG_ONE(msg_entity, {
 260                 WriteHeader(msg, TE_CSQC_RACE);
 261                 WriteByte(msg, RACE_NET_SERVER_STATUS);
 262                 WriteShort(msg, id);
 263                 WriteString(msg, e.netname);
 264         });
 265 }
 266
 267 void race_setTime(string map, float t, string myuid, string mynetname, entity e, bool showmessage)
 268 {
 269         // netname only used TEMPORARILY for printing
 270         int newpos = race_readPos(map, t);
 271
 272         int player_prevpos = 0;
 273         for(int i = 1; i <= RANKINGS_CNT; ++i)
 274         {
 275                 if(race_readUID(map, i) == myuid)
 276                         player_prevpos = i;
 277         }
 278
 279         float oldrec;
 280         string oldrec_holder;
 281         if (player_prevpos && (player_prevpos < newpos || !newpos))
 282         {
 283                 oldrec = race_readTime(GetMapname(), player_prevpos);
 284                 race_SendStatus(0, e); // "fail"
 285                 if(showmessage)
 286                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_FAIL_RANKED, mynetname, player_prevpos, t, oldrec);
 287                 return;
 288         }
 289         else if (!newpos)
 290         {
 291                 // no ranking, time worse than the worst ranked
 292                 oldrec = race_readTime(GetMapname(), RANKINGS_CNT);
 293                 race_SendStatus(0, e); // "fail"
 294                 if(showmessage)
 295                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_FAIL_UNRANKED, mynetname, RANKINGS_CNT, t, oldrec);
 296                 return;
 297         }
 298
 299         // if we didn't hit a return yet, we have a new record!
 300
 301         // if the player does not have a UID we can unfortunately not store the record, as the rankings system relies on UIDs
 302         if(myuid == "")
 303         {
 304                 if(showmessage)
 305                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_NEW_MISSING_UID, mynetname, t);
 306                 return;
 307         }
 308
 309         if(uid2name(myuid) == "^1Unregistered Player")
 310         {
 311                 if(showmessage)
 312                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_NEW_MISSING_NAME, mynetname, t);
 313                 return;
 314         }
 315
 316         oldrec = race_readTime(GetMapname(), newpos);
 317         oldrec_holder = race_readName(GetMapname(), newpos);
 318
 319         // store new ranking
 320         race_writeTime(GetMapname(), t, myuid);
 321
 322         if (newpos == 1 && showmessage)
 323         {
 324                 write_recordmarker(e, time - TIME_DECODE(t), TIME_DECODE(t));
 325                 race_send_recordtime(MSG_ALL);
 326         }
 327
 328         race_SendRankings(newpos, player_prevpos, 0, MSG_ALL);
 329         strcpy(rankings_reply, getrankings());
 330
 331         if(newpos == player_prevpos)
 332         {
 333                 if(showmessage)
 334                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_NEW_IMPROVED, mynetname, newpos, t, oldrec);
 335                 if(newpos == 1) { race_SendStatus(3, e); } // "new server record"
 336                 else { race_SendStatus(1, e); } // "new time"
 337         }
 338         else if(oldrec == 0)
 339         {
 340                 if(showmessage)
 341                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_NEW_SET, mynetname, newpos, t);
 342                 if(newpos == 1) { race_SendStatus(3, e); } // "new server record"
 343                 else { race_SendStatus(2, e); } // "new rank"
 344         }
 345         else
 346         {
 347                 if(showmessage)
 348                         Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_NEW_BROKEN, mynetname, oldrec_holder, newpos, t, oldrec);
 349                 if(newpos == 1) { race_SendStatus(3, e); } // "new server record"
 350                 else { race_SendStatus(2, e); } // "new rank"
 351         }
 352 }
 353
 354 void race_deleteTime(string map, float pos)
 355 {
 356         string rr = ((g_cts) ? CTS_RECORD : ((g_ctf) ? CTF_RECORD : RACE_RECORD));
 357
 358         for(int i = pos; i <= RANKINGS_CNT; ++i)
 359         {
 360                 string therank = ftos(i);
 361                 if (i == RANKINGS_CNT)
 362                 {
 363                         db_remove(ServerProgsDB, strcat(map, rr, "time", therank));
 364                         db_remove(ServerProgsDB, strcat(map, rr, "crypto_idfp", therank));
 365                 }
 366                 else
 367                 {
 368                         db_put(ServerProgsDB, strcat(map, rr, "time", therank), ftos(race_readTime(GetMapname(), i+1)));
 369                         db_put(ServerProgsDB, strcat(map, rr, "crypto_idfp", therank), race_readUID(GetMapname(), i+1));
 370                 }
 371         }
 372
 373         race_SendRankings(pos, 0, 1, MSG_ALL);
 374         if(pos == 1)
 375                 race_send_recordtime(MSG_ALL);
 376
 377         strcpy(rankings_reply, getrankings());
 378 }
 379
 380 void race_SendTime(entity e, float cp, float t, float tvalid)
 381 {
 382         float snew, l;
 383
 384         if(g_race_qualifying)
 385                 t += e.race_penalty_accumulator;
 386
 387         t = TIME_ENCODE(t); // make integer
 388
 389         if(tvalid)
 390         if(cp == race_timed_checkpoint) // finish line
 391         if (!CS(e).race_completed)
 392         {
 393                 float s;
 394                 if(g_race_qualifying)
 395                 {
 396                         s = GameRules_scoring_add(e, RACE_FASTEST, 0);
 397                         if(!s || t < s)
 398                                 GameRules_scoring_add(e, RACE_FASTEST, t - s);
 399                 }
 400                 else
 401                 {
 402                         s = GameRules_scoring_add(e, RACE_FASTEST, 0);
 403                         if(!s || t < s)
 404                                 GameRules_scoring_add(e, RACE_FASTEST, t - s);
 405
 406                         s = GameRules_scoring_add(e, RACE_TIME, 0);
 407                         snew = TIME_ENCODE(time - game_starttime);
 408                         GameRules_scoring_add(e, RACE_TIME, snew - s);
 409                         l = GameRules_scoring_add_team(e, RACE_LAPS, 1);
 410
 411                         if(autocvar_fraglimit)
 412                                 if(l >= autocvar_fraglimit)
 413                                         race_StartCompleting();
 414
 415                         if(race_completing)
 416                         {
 417                                 CS(e).race_completed = 1;
 418                                 MAKE_INDEPENDENT_PLAYER(e);
 419                                 Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_FINISHED, e.netname);
 420                                 ClientData_Touch(e);
 421                         }
 422                 }
 423         }
 424
 425         if(g_race_qualifying)
 426         {
 427                 float recordtime;
 428                 string recordholder;
 429
 430                 if(tvalid)
 431                 {
 432                         recordtime = race_checkpoint_records[cp];
 433                         float myrecordtime = e.race_checkpoint_record[cp];
 434                         recordholder = strcat1(race_checkpoint_recordholders[cp]); // make a tempstring copy, as we'll possibly strunzone it!
 435                         if(recordholder == e.netname)
 436                                 recordholder = "";
 437
 438                         if(t != 0)
 439                         {
 440                                 if(cp == race_timed_checkpoint)
 441                                 {
 442                                         race_setTime(GetMapname(), t, e.crypto_idfp, e.netname, e, true);
 443                                         MUTATOR_CALLHOOK(Race_FinalCheckpoint, e);
 444                                 }
 445                                 if(t < myrecordtime || myrecordtime == 0)
 446                                         e.race_checkpoint_record[cp] = t; // resending done below
 447
 448                                 if(t < recordtime || recordtime == 0)
 449                                 {
 450                                         race_checkpoint_records[cp] = t;
 451                                         strcpy(race_checkpoint_recordholders[cp], e.netname);
 452                                         if(g_race_qualifying)
 453                                                 FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && it.race_checkpoint == cp, { race_SendNextCheckpoint(it, 0); });
 454                                 }
 455
 456                         }
 457                 }
 458                 else
 459                 {
 460                         // dummies
 461                         t = 0;
 462                         recordtime = 0;
 463                         recordholder = "";
 464                 }
 465
 466                 if(IS_REAL_CLIENT(e))
 467                 {
 468                         if(g_race_qualifying)
 469                         {
 470                                 FOREACH_CLIENT(IS_REAL_CLIENT(it),
 471                                 {
 472                                         if(it == e || (IS_SPEC(it) && it.enemy == e))
 473                                         {
 474                                                 msg_entity = it;
 475                                                 WriteHeader(MSG_ONE, TE_CSQC_RACE);
 476                                                 WriteByte(MSG_ONE, RACE_NET_CHECKPOINT_HIT_QUALIFYING);
 477                                                 WriteByte(MSG_ONE, race_CheckpointNetworkID(cp)); // checkpoint the player now is at
 478                                                 WriteInt24_t(MSG_ONE, t); // time to that intermediate
 479                                                 WriteInt24_t(MSG_ONE, recordtime); // previously best time
 480                                                 WriteInt24_t(MSG_ONE, ((tvalid) ? it.race_checkpoint_record[cp] : 0)); // previously best time
 481                                                 WriteString(MSG_ONE, recordholder); // record holder
 482                                         }
 483                                 });
 484                         }
 485                 }
 486         }
 487         else // RACE! Not Qualifying
 488         {
 489                 float mylaps, lother, othtime;
 490                 entity oth = race_checkpoint_lastplayers[cp];
 491                 if(oth)
 492                 {
 493                         mylaps = GameRules_scoring_add(e, RACE_LAPS, 0);
 494                         lother = race_checkpoint_lastlaps[cp];
 495                         othtime = race_checkpoint_lasttimes[cp];
 496                 }
 497                 else
 498                         mylaps = lother = othtime = 0;
 499
 500                 if(IS_REAL_CLIENT(e))
 501                 {
 502                         msg_entity = e;
 503                         WRITESPECTATABLE_MSG_ONE(msg_entity, {
 504                                 WriteHeader(MSG_ONE, TE_CSQC_RACE);
 505                                 WriteByte(MSG_ONE, RACE_NET_CHECKPOINT_HIT_RACE);
 506                                 WriteByte(MSG_ONE, race_CheckpointNetworkID(cp)); // checkpoint the player now is at
 507                                 if(e == oth)
 508                                 {
 509                                         WriteInt24_t(MSG_ONE, 0);
 510                                         WriteByte(MSG_ONE, 0);
 511                                         WriteByte(MSG_ONE, 0);
 512                                 }
 513                                 else
 514                                 {
 515                                         WriteInt24_t(MSG_ONE, TIME_ENCODE(time - race_checkpoint_lasttimes[cp]));
 516                                         WriteByte(MSG_ONE, mylaps - lother);
 517                                         WriteByte(MSG_ONE, etof(oth)); // record holder
 518                                 }
 519                         });
 520                 }
 521
 522                 race_checkpoint_lastplayers[cp] = e;
 523                 race_checkpoint_lasttimes[cp] = time;
 524                 race_checkpoint_lastlaps[cp] = mylaps;
 525
 526                 if(IS_REAL_CLIENT(oth))
 527                 {
 528                         msg_entity = oth;
 529                         WRITESPECTATABLE_MSG_ONE(msg_entity, {
 530                                 WriteHeader(MSG_ONE, TE_CSQC_RACE);
 531                                 WriteByte(MSG_ONE, RACE_NET_CHECKPOINT_HIT_RACE_BY_OPPONENT);
 532                                 WriteByte(MSG_ONE, race_CheckpointNetworkID(cp)); // checkpoint the player now is at
 533                                 if(e == oth)
 534                                 {
 535                                         WriteInt24_t(MSG_ONE, 0);
 536                                         WriteByte(MSG_ONE, 0);
 537                                         WriteByte(MSG_ONE, 0);
 538                                 }
 539                                 else
 540                                 {
 541                                         WriteInt24_t(MSG_ONE, TIME_ENCODE(time - othtime));
 542                                         WriteByte(MSG_ONE, lother - mylaps);
 543                                         WriteByte(MSG_ONE, etof(e) - 1); // record holder
 544                                 }
 545                         });
 546                 }
 547         }
 548 }
 549
 550 void race_ClearTime(entity e)
 551 {
 552         e.race_checkpoint = 0;
 553         e.race_laptime = 0;
 554         e.race_movetime = e.race_movetime_frac = e.race_movetime_count = 0;
 555         e.race_penalty_accumulator = 0;
 556         e.race_lastpenalty = NULL;
 557
 558         if(!IS_REAL_CLIENT(e))
 559                 return;
 560
 561         msg_entity = e;
 562         WRITESPECTATABLE_MSG_ONE(msg_entity, {
 563                 WriteHeader(MSG_ONE, TE_CSQC_RACE);
 564                 WriteByte(MSG_ONE, RACE_NET_CHECKPOINT_CLEAR); // next
 565         });
 566 }
 567
 568 void checkpoint_passed(entity this, entity player)
 569 {
 570         if(player.personal && autocvar_g_allow_checkpoints)
 571                 return; // practice mode!
 572
 573         if(player.classname == "porto")
 574         {
 575                 // do not allow portalling through checkpoints
 576                 trace_plane_normal = normalize(-1 * player.velocity);
 577                 W_Porto_Fail(player, 0);
 578                 return;
 579         }
 580
 581         string oldmsg; // used twice
 582
 583         /*
 584          * Trigger targets
 585          */
 586         if (!((this.spawnflags & 2) && (IS_PLAYER(player))))
 587         {
 588                 oldmsg = this.message;
 589                 this.message = "";
 590                 SUB_UseTargets(this, player, player);
 591                 this.message = oldmsg;
 592         }
 593
 594         if (!IS_PLAYER(player))
 595                 return;
 596
 597         /*
 598          * Remove unauthorized equipment
 599          */
 600         Portal_ClearAll(player);
 601
 602         player.porto_forbidden = 2; // decreased by 1 each StartFrame
 603
 604         if(defrag_ents)
 605         {
 606                 if(this.race_checkpoint == -2)
 607                 {
 608                         this.race_checkpoint = player.race_checkpoint;
 609                 }
 610
 611                 int cp_amount = 0, largest_cp_id = 0;
 612                 IL_EACH(g_race_targets, it.classname == "target_checkpoint",
 613                 {
 614                         cp_amount += 1;
 615                         if(it.race_checkpoint > largest_cp_id) // update the finish id if someone hit a new checkpoint
 616                         {
 617                                 if(!largest_cp_id)
 618                                 {
 619                                         IL_EACH(g_race_targets, it.classname == "target_checkpoint",
 620                                         {
 621                                                 if(it.race_checkpoint == -2) // set defragcpexists to -1 so that the cp id file will be rewritten when someone finishes
 622                                                         defragcpexists = -1;
 623                                         });
 624                                 }
 625
 626                                 largest_cp_id = it.race_checkpoint;
 627                                 IL_EACH(g_race_targets, it.classname == "target_stopTimer",
 628                                 {
 629                                         it.race_checkpoint = largest_cp_id + 1; // finish line
 630                                 });
 631                                 race_highest_checkpoint = largest_cp_id + 1;
 632                                 race_timed_checkpoint = largest_cp_id + 1;
 633                         }
 634                 });
 635
 636                 if(!cp_amount)
 637                 {
 638                         IL_EACH(g_race_targets, it.classname == "target_stopTimer",
 639                         {
 640                                 it.race_checkpoint = 1;
 641                         });
 642                         race_highest_checkpoint = 1;
 643                         race_timed_checkpoint = 1;
 644                 }
 645         }
 646
 647         if((player.race_checkpoint == -1 && this.race_checkpoint == 0) || (player.race_checkpoint == this.race_checkpoint))
 648         {
 649                 if(this.race_penalty)
 650                 {
 651                         if(player.race_lastpenalty != this)
 652                         {
 653                                 player.race_lastpenalty = this;
 654                                 race_ImposePenaltyTime(player, this.race_penalty, this.race_penalty_reason);
 655                         }
 656                 }
 657
 658                 if(player.race_penalty)
 659                         return;
 660
 661                 /*
 662                  * Trigger targets
 663                  */
 664                 if(this.spawnflags & 2)
 665                 {
 666                         oldmsg = this.message;
 667                         this.message = "";
 668                         SUB_UseTargets(this, player, player); // TODO: should we be using other for the trigger here?
 669                         this.message = oldmsg;
 670                 }
 671
 672                 if(player.race_respawn_checkpoint != this.race_checkpoint || !player.race_started)
 673                         player.race_respawn_spotref = this; // this is not a spot but a CP, but spawnpoint selection will deal with that
 674                 player.race_respawn_checkpoint = this.race_checkpoint;
 675                 player.race_checkpoint = race_NextCheckpoint(this.race_checkpoint);
 676                 player.race_started = 1;
 677
 678                 race_SendTime(player, this.race_checkpoint, player.race_movetime, boolean(player.race_laptime));
 679
 680                 if(!this.race_checkpoint) // start line
 681                 {
 682                         player.race_laptime = time;
 683                         player.race_movetime = player.race_movetime_frac = player.race_movetime_count = 0;
 684                         player.race_penalty_accumulator = 0;
 685                         player.race_lastpenalty = NULL;
 686                 }
 687
 688                 if(g_race_qualifying)
 689                         race_SendNextCheckpoint(player, 0);
 690
 691                 if(defrag_ents && defragcpexists < 0 && this.classname == "target_stopTimer")
 692                 {
 693                         float fh;
 694                         defragcpexists = fh = fopen(strcat("maps/", GetMapname(), ".defragcp"), FILE_WRITE);
 695                         if(fh >= 0)
 696                         {
 697                                 IL_EACH(g_race_targets, it.classname == "target_checkpoint",
 698                                 {
 699                                         fputs(fh, strcat(it.targetname, " ", ftos(it.race_checkpoint), "\n"));
 700                                 });
 701                         }
 702                         fclose(fh);
 703                 }
 704         }
 705         else if(player.race_checkpoint == race_NextCheckpoint(this.race_checkpoint))
 706         {
 707                 // ignored
 708         }
 709         else
 710         {
 711                 if(this.spawnflags & 4)
 712                         Damage (player, this, this, 10000, DEATH_HURTTRIGGER.m_id, DMG_NOWEP, player.origin, '0 0 0');
 713         }
 714 }
 715
 716 void checkpoint_touch(entity this, entity toucher)
 717 {
 718         EXACTTRIGGER_TOUCH(this, toucher);
 719         if(IS_VEHICLE(toucher) && toucher.owner)
 720                 toucher = toucher.owner;
 721         checkpoint_passed(this, toucher);
 722 }
 723
 724 void checkpoint_use(entity this, entity actor, entity trigger)
 725 {
 726         if(trigger.classname == "info_player_deathmatch") // a spawn, a spawn
 727                 return;
 728
 729         if(IS_VEHICLE(actor) && actor.owner)
 730                 actor = actor.owner;
 731         checkpoint_passed(this, actor);
 732 }
 733
 734 bool race_waypointsprite_visible_for_player(entity this, entity player, entity view)
 735 {
 736         entity own = this.owner;
 737         if(this.realowner)
 738                 own = this.realowner; // target support
 739
 740         if(view.race_checkpoint == -1 || own.race_checkpoint == -2)
 741                 return true;
 742         else if(view.race_checkpoint == own.race_checkpoint)
 743                 return true;
 744         else
 745                 return false;
 746 }
 747
 748 void trigger_race_checkpoint_verify(entity this)
 749 {
 750     static bool have_verified;
 751         if (have_verified) return;
 752         have_verified = true;
 753
 754         bool qual = g_race_qualifying;
 755
 756         int pl_race_checkpoint = 0;
 757         int pl_race_place = 0;
 758
 759         if (g_race) {
 760                 for (int i = 0; i <= race_highest_checkpoint; ++i) {
 761                         pl_race_checkpoint = race_NextCheckpoint(i);
 762
 763                         // race only (middle of the race)
 764                         g_race_qualifying = false;
 765                         pl_race_place = 0;
 766                         if (!Spawn_FilterOutBadSpots(this, findchain(classname, "info_player_deathmatch"), 0, false)) {
 767                                 error(strcat("Checkpoint ", ftos(i), " misses a spawnpoint with race_place==", ftos(pl_race_place), " (used for respawning in race) - bailing out"));
 768             }
 769
 770                         if (i == 0) {
 771                                 // qualifying only
 772                                 g_race_qualifying = 1;
 773                                 pl_race_place = race_lowest_place_spawn;
 774                                 if (!Spawn_FilterOutBadSpots(this, findchain(classname, "info_player_deathmatch"), 0, false)) {
 775                                         error(strcat("Checkpoint ", ftos(i), " misses a spawnpoint with race_place==", ftos(pl_race_place), " (used for qualifying) - bailing out"));
 776                 }
 777
 778                                 // race only (initial spawn)
 779                                 g_race_qualifying = 0;
 780                                 for (int p = 1; p <= race_highest_place_spawn; ++p) {
 781                                         pl_race_place = p;
 782                                         if (!Spawn_FilterOutBadSpots(this, findchain(classname, "info_player_deathmatch"), 0, false)) {
 783                                                 error(strcat("Checkpoint ", ftos(i), " misses a spawnpoint with race_place==", ftos(pl_race_place), " (used for initially spawning in race) - bailing out"));
 784                     }
 785                                 }
 786                         }
 787                 }
 788         } else if (!defrag_ents) {
 789                 // qualifying only
 790                 pl_race_checkpoint = race_NextCheckpoint(0);
 791                 g_race_qualifying = 1;
 792                 pl_race_place = race_lowest_place_spawn;
 793                 if (!Spawn_FilterOutBadSpots(this, findchain(classname, "info_player_deathmatch"), 0, false)) {
 794                         error(strcat("Checkpoint 0 misses a spawnpoint with race_place==", ftos(pl_race_place), " (used for qualifying) - bailing out"));
 795         }
 796         } else {
 797                 pl_race_checkpoint = race_NextCheckpoint(0);
 798                 g_race_qualifying = 1;
 799                 pl_race_place = 0; // there's only one spawn on defrag maps
 800
 801                 // check if a defragcp file already exists, then read it and apply the checkpoint order
 802                 float fh;
 803                 float len;
 804                 string l;
 805
 806                 defragcpexists = fh = fopen(strcat("maps/", GetMapname(), ".defragcp"), FILE_READ);
 807                 if (fh >= 0) {
 808                         while ((l = fgets(fh))) {
 809                                 len = tokenize_console(l);
 810                                 if (len != 2) {
 811                                         defragcpexists = -1; // something's wrong in the defrag cp file, set defragcpexists to -1 so that it will be rewritten when someone finishes
 812                                         continue;
 813                                 }
 814                                 for (entity cp = NULL; (cp = find(cp, classname, "target_checkpoint"));) {
 815                                         if (argv(0) == cp.targetname) {
 816                                                 cp.race_checkpoint = stof(argv(1));
 817                     }
 818                 }
 819                         }
 820                         fclose(fh);
 821                 }
 822         }
 823
 824         g_race_qualifying = qual;
 825
 826         IL_EACH(g_race_targets, it.classname == "target_checkpoint" || it.classname == "target_startTimer" || it.classname == "target_stopTimer",
 827         {
 828                 if(it.targetname == "" || !it.targetname) // somehow this is a case...
 829                         continue;
 830                 entity cpt = it;
 831                 FOREACH_ENTITY_STRING(target, cpt.targetname,
 832                 {
 833                         vector org = (it.absmin + it.absmax) * 0.5;
 834                         if(cpt.race_checkpoint == 0)
 835                                 WaypointSprite_SpawnFixed(WP_RaceStart, org, it, sprite, RADARICON_NONE);
 836                         else
 837                                 WaypointSprite_SpawnFixed(WP_RaceCheckpoint, org, it, sprite, RADARICON_NONE);
 838
 839                         it.sprite.realowner = cpt;
 840                         it.sprite.waypointsprite_visible_for_player = race_waypointsprite_visible_for_player;
 841                 });
 842         });
 843
 844         if (race_timed_checkpoint) {
 845                 if (defrag_ents) {
 846                         IL_EACH(g_race_targets, it.classname == "target_checkpoint" || it.classname == "target_startTimer" || it.classname == "target_stopTimer",
 847                         {
 848                                 entity cpt = it;
 849                                 if(it.classname == "target_startTimer" || it.classname == "target_stopTimer") {
 850                                         if(it.targetname == "" || !it.targetname) // somehow this is a case...
 851                                                 continue;
 852                                         FOREACH_ENTITY_STRING(target, cpt.targetname, {
 853                                                 if(it.sprite)
 854                                                         WaypointSprite_UpdateSprites(it.sprite, ((cpt.classname == "target_startTimer") ? WP_RaceStart : WP_RaceFinish), WP_Null, WP_Null);
 855                                         });
 856                                 }
 857                                 if(it.classname == "target_checkpoint") {
 858                                         if(it.race_checkpoint == -2)
 859                                                 defragcpexists = -1; // something's wrong with the defrag cp file or it has not been written yet, set defragcpexists to -1 so that it will be rewritten when someone finishes
 860                                 }
 861                         });
 862                         if (defragcpexists != -1) {
 863                                 float largest_cp_id = 0;
 864                                 for (entity cp = NULL; (cp = find(cp, classname, "target_checkpoint"));) {
 865                                         if (cp.race_checkpoint > largest_cp_id) {
 866                                                 largest_cp_id = cp.race_checkpoint;
 867                     }
 868                 }
 869                                 for (entity cp = NULL; (cp = find(cp, classname, "target_stopTimer"));) {
 870                                         cp.race_checkpoint = largest_cp_id + 1; // finish line
 871                 }
 872                                 race_highest_checkpoint = largest_cp_id + 1;
 873                                 race_timed_checkpoint = largest_cp_id + 1;
 874                         } else {
 875                                 for (entity cp = NULL; (cp = find(cp, classname, "target_stopTimer"));) {
 876                                         cp.race_checkpoint = 255; // finish line
 877                 }
 878                                 race_highest_checkpoint = 255;
 879                                 race_timed_checkpoint = 255;
 880                         }
 881                 } else {
 882                         IL_EACH(g_racecheckpoints, it.sprite,
 883                         {
 884                                 if (it.race_checkpoint == 0) {
 885                                         WaypointSprite_UpdateSprites(it.sprite, WP_RaceStart, WP_Null, WP_Null);
 886                 } else if (it.race_checkpoint == race_timed_checkpoint) {
 887                                         WaypointSprite_UpdateSprites(it.sprite, WP_RaceFinish, WP_Null, WP_Null);
 888                                 }
 889             });
 890                 }
 891         }
 892
 893         if (defrag_ents) {
 894                 for (entity trigger = NULL; (trigger = find(trigger, classname, "trigger_multiple")); ) {
 895                         for (entity targ = NULL; (targ = find(targ, targetname, trigger.target)); ) {
 896                                 if (targ.classname == "target_checkpoint" || targ.classname == "target_startTimer" || targ.classname == "target_stopTimer") {
 897                                         trigger.wait = 0;
 898                                         trigger.delay = 0;
 899                                         targ.wait = 0;
 900                                         targ.delay = 0;
 901
 902                     // These just make the game crash on some maps with oddly shaped triggers.
 903                     // (on the other hand they used to fix the case when two players ran through a checkpoint at once,
 904                     // and often one of them just passed through without being registered. Hope it's fixed  in a better way now.
 905                     // (happened on item triggers too)
 906                     //
 907                                         //targ.wait = -2;
 908                                         //targ.delay = 0;
 909
 910                                         //setsize(targ, trigger.mins, trigger.maxs);
 911                                         //setorigin(targ, trigger.origin);
 912                                         //remove(trigger);
 913                                 }
 914             }
 915         }
 916         }
 917 }
 918
 919 vector trigger_race_checkpoint_spawn_evalfunc(entity this, entity player, entity spot, vector current)
 920 {
 921         if(g_race_qualifying)
 922         {
 923                 // spawn at first
 924                 if(this.race_checkpoint != 0)
 925                         return '-1 0 0';
 926                 if(spot.race_place != race_lowest_place_spawn)
 927                         return '-1 0 0';
 928         }
 929         else
 930         {
 931                 if(this.race_checkpoint != player.race_respawn_checkpoint)
 932                         return '-1 0 0';
 933                 // try reusing the previous spawn
 934                 if(this == player.race_respawn_spotref || spot == player.race_respawn_spotref)
 935                         current.x += SPAWN_PRIO_RACE_PREVIOUS_SPAWN;
 936                 if(this.race_checkpoint == 0)
 937                 {
 938                         int pl = player.race_place;
 939                         if(pl > race_highest_place_spawn)
 940                                 pl = 0;
 941                         if(pl == 0 && !player.race_started)
 942                                 pl = race_highest_place_spawn; // use last place if he has not even touched finish yet
 943                         if(spot.race_place != pl)
 944                                 return '-1 0 0';
 945                 }
 946         }
 947         return current;
 948 }
 949
 950 spawnfunc(trigger_race_checkpoint)
 951 {
 952         vector o;
 953         if(!g_race && !g_cts) { delete(this); return; }
 954
 955         EXACTTRIGGER_INIT;
 956
 957         this.use = checkpoint_use;
 958         if (!(this.spawnflags & 1))
 959                 settouch(this, checkpoint_touch);
 960
 961         o = (this.absmin + this.absmax) * 0.5;
 962         tracebox(o, PL_MIN_CONST, PL_MAX_CONST, o - '0 0 1' * (o.z - this.absmin.z), MOVE_NORMAL, this);
 963         waypoint_spawnforitem_force(this, trace_endpos);
 964         this.nearestwaypointtimeout = -1;
 965
 966         if(this.message == "")
 967                 this.message = "went backwards";
 968         if (this.message2 == "")
 969                 this.message2 = "was pushed backwards by";
 970         if (this.race_penalty_reason == "")
 971                 this.race_penalty_reason = "missing a checkpoint";
 972
 973         this.race_checkpoint = this.cnt;
 974
 975         if(this.race_checkpoint > race_highest_checkpoint)
 976         {
 977                 race_highest_checkpoint = this.race_checkpoint;
 978                 if(this.spawnflags & 8)
 979                         race_timed_checkpoint = this.race_checkpoint;
 980                 else
 981                         race_timed_checkpoint = 0;
 982         }
 983
 984         if(!this.race_penalty)
 985         {
 986                 if(this.race_checkpoint)
 987                         WaypointSprite_SpawnFixed(WP_RaceCheckpoint, o, this, sprite, RADARICON_NONE);
 988                 else
 989                         WaypointSprite_SpawnFixed(WP_RaceStartFinish, o, this, sprite, RADARICON_NONE);
 990         }
 991
 992         this.sprite.waypointsprite_visible_for_player = race_waypointsprite_visible_for_player;
 993         this.spawn_evalfunc = trigger_race_checkpoint_spawn_evalfunc;
 994
 995         IL_PUSH(g_racecheckpoints, this);
 996
 997         InitializeEntity(this, trigger_race_checkpoint_verify, INITPRIO_FINDTARGET);
 998 }
 999
1000 spawnfunc(target_checkpoint) // defrag entity
1001 {
1002         if(!g_race && !g_cts) { delete(this); return; }
1003         defrag_ents = 1;
1004
1005         // if this is targeted, then it probably isn't a trigger
1006         bool is_trigger = this.targetname == "";
1007
1008         if(is_trigger)
1009                 EXACTTRIGGER_INIT;
1010
1011         this.use = checkpoint_use;
1012         if (is_trigger && !(this.spawnflags & 1))
1013                 settouch(this, checkpoint_touch);
1014
1015         vector org = this.origin;
1016
1017         // bots should only pathfind to this if it is a valid touchable trigger
1018         if(is_trigger)
1019         {
1020                 org = (this.absmin + this.absmax) * 0.5;
1021                 tracebox(org, PL_MIN_CONST, PL_MAX_CONST, org - '0 0 1' * (org.z - this.absmin.z), MOVE_NORMAL, this);
1022                 waypoint_spawnforitem_force(this, trace_endpos);
1023                 this.nearestwaypointtimeout = -1;
1024         }
1025
1026         if(this.message == "")
1027                 this.message = "went backwards";
1028         if (this.message2 == "")
1029                 this.message2 = "was pushed backwards by";
1030         if (this.race_penalty_reason == "")
1031                 this.race_penalty_reason = "missing a checkpoint";
1032
1033         if(this.classname == "target_startTimer")
1034                 this.race_checkpoint = 0;
1035         else
1036                 this.race_checkpoint = -2;
1037
1038         race_timed_checkpoint = 1;
1039
1040         IL_PUSH(g_race_targets, this);
1041
1042         InitializeEntity(this, trigger_race_checkpoint_verify, INITPRIO_FINDTARGET);
1043 }
1044
1045 spawnfunc(target_startTimer) { spawnfunc_target_checkpoint(this); }
1046 spawnfunc(target_stopTimer) { spawnfunc_target_checkpoint(this); }
1047
1048 void race_AbandonRaceCheck(entity p)
1049 {
1050         if(race_completing && !CS(p).race_completed)
1051         {
1052                 CS(p).race_completed = 1;
1053                 MAKE_INDEPENDENT_PLAYER(p);
1054                 Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_RACE_ABANDONED, p.netname);
1055                 ClientData_Touch(p);
1056         }
1057 }
1058
1059 void race_StartCompleting()
1060 {
1061         race_completing = 1;
1062         FOREACH_CLIENT(IS_PLAYER(it) && IS_DEAD(it), { race_AbandonRaceCheck(it); });
1063 }
1064
1065 void race_PreparePlayer(entity this)
1066 {
1067         race_ClearTime(this);
1068         this.race_place = 0;
1069         this.race_started = 0;
1070         this.race_respawn_checkpoint = 0;
1071         this.race_respawn_spotref = NULL;
1072 }
1073
1074 void race_RetractPlayer(entity this)
1075 {
1076         if(!g_race && !g_cts)
1077                 return;
1078         if(this.race_respawn_checkpoint == 0 || this.race_respawn_checkpoint == race_timed_checkpoint)
1079                 race_ClearTime(this);
1080         this.race_checkpoint = this.race_respawn_checkpoint;
1081 }
1082
1083 spawnfunc(info_player_race)
1084 {
1085         if(!g_race && !g_cts) { delete(this); return; }
1086         ++race_spawns;
1087         spawnfunc_info_player_deathmatch(this);
1088
1089         if(this.race_place > race_highest_place_spawn)
1090                 race_highest_place_spawn = this.race_place;
1091         if(this.race_place < race_lowest_place_spawn)
1092                 race_lowest_place_spawn = this.race_place;
1093 }
1094
1095 void race_ClearRecords()
1096 {
1097         for(int j = 0; j < MAX_CHECKPOINTS; ++j)
1098         {
1099                 race_checkpoint_records[j] = 0;
1100                 strfree(race_checkpoint_recordholders[j]);
1101         }
1102
1103         FOREACH_CLIENT(true, {
1104                 float p = it.race_place;
1105                 race_PreparePlayer(it);
1106                 it.race_place = p;
1107         });
1108 }
1109
1110 void race_ImposePenaltyTime(entity pl, float penalty, string reason)
1111 {
1112         if(g_race_qualifying)
1113         {
1114                 pl.race_penalty_accumulator += penalty;
1115                 if(IS_REAL_CLIENT(pl))
1116                 {
1117                         msg_entity = pl;
1118                         WRITESPECTATABLE_MSG_ONE(msg_entity, {
1119                                 WriteHeader(MSG_ONE, TE_CSQC_RACE);
1120                                 WriteByte(MSG_ONE, RACE_NET_PENALTY_QUALIFYING);
1121                                 WriteShort(MSG_ONE, TIME_ENCODE(penalty));
1122                                 WriteString(MSG_ONE, reason);
1123                         });
1124                 }
1125         }
1126         else
1127         {
1128                 pl.race_penalty = time + penalty;
1129                 if(IS_REAL_CLIENT(pl))
1130                 {
1131                         msg_entity = pl;
1132                         WRITESPECTATABLE_MSG_ONE(msg_entity, {
1133                                 WriteHeader(MSG_ONE, TE_CSQC_RACE);
1134                                 WriteByte(MSG_ONE, RACE_NET_PENALTY_RACE);
1135                                 WriteShort(MSG_ONE, TIME_ENCODE(penalty));
1136                                 WriteString(MSG_ONE, reason);
1137                         });
1138                 }
1139         }
1140 }
1141
1142 void penalty_touch(entity this, entity toucher)
1143 {
1144         EXACTTRIGGER_TOUCH(this, toucher);
1145         if(toucher.race_lastpenalty != this)
1146         {
1147                 toucher.race_lastpenalty = this;
1148                 race_ImposePenaltyTime(toucher, this.race_penalty, this.race_penalty_reason);
1149         }
1150 }
1151
1152 void penalty_use(entity this, entity actor, entity trigger)
1153 {
1154         race_ImposePenaltyTime(actor, this.race_penalty, this.race_penalty_reason);
1155 }
1156
1157 spawnfunc(trigger_race_penalty)
1158 {
1159         // TODO: find out why this wasnt done:
1160         //if(!g_cts && !g_race) { remove(this); return; }
1161
1162         EXACTTRIGGER_INIT;
1163
1164         this.use = penalty_use;
1165         if (!(this.spawnflags & 1))
1166                 settouch(this, penalty_touch);
1167
1168         if (this.race_penalty_reason == "")
1169                 this.race_penalty_reason = "missing a checkpoint";
1170         if (!this.race_penalty)
1171                 this.race_penalty = 5;
1172 }
1173
1174 float race_GetFractionalLapCount(entity e)
1175 {
1176         // interesting metrics (idea by KrimZon) to maybe sort players in the
1177         // scoreboard, immediately updates when overtaking
1178         //
1179         // requires the track to be built so you never get farther away from the
1180         // next checkpoint, though, and current Xonotic race maps are not built that
1181         // way
1182         //
1183         // also, this code is slow and would need optimization (i.e. "next CP"
1184         // links on CP entities)
1185
1186         float l;
1187         l = GameRules_scoring_add(e, RACE_LAPS, 0);
1188         if(CS(e).race_completed)
1189                 return l; // not fractional
1190
1191         vector o0, o1;
1192         float bestfraction, fraction;
1193         entity lastcp;
1194         float nextcpindex, lastcpindex;
1195
1196         nextcpindex = max(e.race_checkpoint, 0);
1197         lastcpindex = e.race_respawn_checkpoint;
1198         lastcp = e.race_respawn_spotref;
1199
1200         if(nextcpindex == lastcpindex)
1201                 return l; // finish
1202
1203         bestfraction = 1;
1204         IL_EACH(g_racecheckpoints, true,
1205         {
1206                 if(it.race_checkpoint != lastcpindex)
1207                         continue;
1208                 if(lastcp)
1209                         if(it != lastcp)
1210                                 continue;
1211                 o0 = (it.absmin + it.absmax) * 0.5;
1212                 IL_EACH(g_racecheckpoints, true,
1213                 {
1214                         if(it.race_checkpoint != nextcpindex)
1215                                 continue;
1216                         o1 = (it.absmin + it.absmax) * 0.5;
1217                         if(o0 == o1)
1218                                 continue;
1219                         fraction = bound(0.0001, vlen(e.origin - o1) / vlen(o0 - o1), 1);
1220                         if(fraction < bestfraction)
1221                                 bestfraction = fraction;
1222                 });
1223         });
1224
1225         // we are at CP "nextcpindex - bestfraction"
1226         // race_timed_checkpoint == 4: then nextcp==4 means 0.9999x, nextcp==0 means 0.0000x
1227         // race_timed_checkpoint == 0: then nextcp==0 means 0.9999x
1228         float c, nc;
1229         nc = race_highest_checkpoint + 1;
1230         c = ((nextcpindex - race_timed_checkpoint + nc + nc - 1) % nc) + 1 - bestfraction;
1231
1232         return l + c / nc;
1233 }