data/qcsrc/server/bots.qc

   1 .float aistatus;
   2 float AI_STATUS_ROAMING                 = 1;    // Bot is just crawling the map. No enemies at sight
   3 float AI_STATUS_ATTACKING               = 2;    // There are enemies at sight
   4 float AI_STATUS_RUNNING                 = 4;    // Bot is bunny hopping
   5 float AI_STATUS_DANGER_AHEAD    = 8;    // There is lava/slime/trigger_hurt ahead
   6 float AI_STATUS_OUT_JUMPPAD             = 16;   // Trying to get out of a "vertical" jump pad
   7 float AI_STATUS_OUT_WATER               = 32;   // Trying to get out of water
   8
   9 // utilities for path debugging
  10 #ifdef DEBUG_TRACEWALK
  11
  12 float DEBUG_NODE_SUCCESS        = 1;
  13 float DEBUG_NODE_WARNING        = 2;
  14 float DEBUG_NODE_FAIL           = 3;
  15
  16 vector debuglastnode;
  17
  18 void debugresetnodes()
  19 {
  20         debuglastnode = '0 0 0';
  21 }
  22
  23 void debugnode(vector node)
  24 {
  25         if not(self.classname=="player")
  26                 return;
  27
  28         if(debuglastnode=='0 0 0')
  29         {
  30                 debuglastnode = node;
  31                 return;
  32         }
  33
  34         te_lightning2(world, node, debuglastnode);
  35         debuglastnode = node;
  36 }
  37
  38 void debugnodestatus(vector position, float status)
  39 {
  40         vector color;
  41
  42         switch (status)
  43         {
  44                 case DEBUG_NODE_SUCCESS:
  45                         color = '0 15 0';
  46                         break;
  47                 case DEBUG_NODE_WARNING:
  48                         color = '15 15 0';
  49                         break;
  50                 case DEBUG_NODE_FAIL:
  51                         color = '15 0 0';
  52                         break;
  53                 default:
  54                         color = '15 15 15';
  55         }
  56
  57         te_customflash(position, 40,  2, color);
  58 }
  59
  60 #endif
  61
  62 // rough simulation of walking from one point to another to test if a path
  63 // can be traveled, used for waypoint linking and havocbot
  64
  65 vector stepheightvec;
  66 float navigation_testtracewalk;
  67 float tracewalk(entity e, vector start, vector m1, vector m2, vector end, float movemode)
  68 {
  69         local vector org;
  70         local vector move;
  71         local vector dir;
  72         local float dist;
  73         local float totaldist;
  74         local float stepdist;
  75         local float yaw;
  76         local float ignorehazards;
  77         local float swimming;
  78
  79         #ifdef DEBUG_TRACEWALK
  80                 debugresetnodes();
  81                 debugnode(start);
  82         #endif
  83
  84         move = end - start;
  85         move_z = 0;
  86         org = start;
  87         dist = totaldist = vlen(move);
  88         dir = normalize(move);
  89         stepdist = 32;
  90         ignorehazards = FALSE;
  91
  92         // Analyze starting point
  93         traceline(start, start, MOVE_NORMAL, e);
  94         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
  95                 ignorehazards = TRUE;
  96         else
  97         {
  98                 traceline( start, start + '0 0 -65536', MOVE_NORMAL, e);
  99                 if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 100                 {
 101                         ignorehazards = TRUE;
 102                         swimming = TRUE;
 103                 }
 104         }
 105         tracebox(start, m1, m2, start, MOVE_NOMONSTERS, e);
 106         if (trace_startsolid)
 107         {
 108                 // Bad start
 109                 #ifdef DEBUG_TRACEWALK
 110                         debugnodestatus(start, DEBUG_NODE_FAIL);
 111                 #endif
 112                 return FALSE;
 113         }
 114
 115         // Movement loop
 116         yaw = vectoyaw(move);
 117         move = end - org;
 118         for (;;)
 119         {
 120                 if (boxesoverlap(end, end, org + m1 + '-1 -1 -1', org + m2 + '1 1 1'))
 121                 {
 122                         // Succeeded
 123                         #ifdef DEBUG_TRACEWALK
 124                                 debugnodestatus(org, DEBUG_NODE_SUCCESS);
 125                         #endif
 126                         return TRUE;
 127                 }
 128                 #ifdef DEBUG_TRACEWALK
 129                         debugnode(org);
 130                 #endif
 131
 132                 if (dist <= 0)
 133                         break;
 134                 if (stepdist > dist)
 135                         stepdist = dist;
 136                 dist = dist - stepdist;
 137                 traceline(org, org, MOVE_NORMAL, e);
 138                 if (!ignorehazards)
 139                 {
 140                         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 141                         {
 142                                 // hazards blocking path
 143                                 #ifdef DEBUG_TRACEWALK
 144                                         debugnodestatus(org, DEBUG_NODE_FAIL);
 145                                 #endif
 146                                 return FALSE;
 147                         }
 148                 }
 149                 if (trace_dpstartcontents & DPCONTENTS_LIQUIDSMASK)
 150                 {
 151                         move = normalize(end - org);
 152                         tracebox(org, m1, m2, org + move * stepdist, movemode, e);
 153
 154                         #ifdef DEBUG_TRACEWALK
 155                                 debugnode(trace_endpos);
 156                         #endif
 157
 158                         if (trace_fraction < 1)
 159                         {
 160                                 swimming = TRUE;
 161                                 org = trace_endpos - normalize(org - trace_endpos) * stepdist;
 162                                 for(; org_z < end_z + self.maxs_z; org_z += stepdist)
 163                                 {
 164                                                 #ifdef DEBUG_TRACEWALK
 165                                                         debugnode(org);
 166                                                 #endif
 167                                         if(pointcontents(org) == CONTENT_EMPTY)
 168                                                         break;
 169                                 }
 170
 171                                 if not (pointcontents(org + '0 0 1') == CONTENT_EMPTY)
 172                                 {
 173                                         #ifdef DEBUG_TRACEWALK
 174                                                 debugnodestatus(org, DEBUG_NODE_FAIL);
 175                                         #endif
 176                                         return FALSE;
 177                                 }
 178                                 continue;
 179
 180                         }
 181                         else
 182                                 org = trace_endpos;
 183                 }
 184                 else
 185                 {
 186                         move = dir * stepdist + org;
 187                         tracebox(org, m1, m2, move, movemode, e);
 188
 189                         #ifdef DEBUG_TRACEWALK
 190                                 debugnode(trace_endpos);
 191                         #endif
 192
 193                         // hit something
 194                         if (trace_fraction < 1)
 195                         {
 196                                 // check if we can walk over this obstacle
 197                                 tracebox(org + stepheightvec, m1, m2, move + stepheightvec, movemode, e);
 198                                 if (trace_fraction < 1 || trace_startsolid)
 199                                 {
 200                                         #ifdef DEBUG_TRACEWALK
 201                                                 debugnodestatus(trace_endpos, DEBUG_NODE_WARNING);
 202                                         #endif
 203
 204                                         // check for doors
 205                                         traceline( org, move, movemode, e);
 206                                         if ( trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 207                                         {
 208                                                 local vector nextmove;
 209                                                 move = trace_endpos;
 210                                                 while(trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 211                                                 {
 212                                                         nextmove = move + (dir * stepdist);
 213                                                         traceline( move, nextmove, movemode, e);
 214                                                         move = nextmove;
 215                                                 }
 216                                         }
 217                                         else
 218                                         {
 219                                                 #ifdef DEBUG_TRACEWALK
 220                                                         debugnodestatus(trace_endpos, DEBUG_NODE_FAIL);
 221                                                 #endif
 222                                                 return FALSE; // failed
 223                                         }
 224                                 }
 225                                 else
 226                                         move = trace_endpos;
 227                         }
 228                         else
 229                                 move = trace_endpos;
 230
 231                         // trace down from stepheight as far as possible and move there,
 232                         // if this starts in solid we try again without the stepup, and
 233                         // if that also fails we assume it is a wall
 234                         // (this is the same logic as the Quake walkmove function used)
 235                         tracebox(move, m1, m2, move + '0 0 -65536', movemode, e);
 236
 237                         // moved successfully
 238                         if(swimming)
 239                         {
 240                                 local float c;
 241                                 c = pointcontents(org + '0 0 1');
 242                                 if not(c == CONTENT_WATER || c == CONTENT_LAVA || c == CONTENT_SLIME)
 243                                         swimming = FALSE;
 244                                 else
 245                                         continue;
 246                         }
 247
 248                         org = trace_endpos;
 249                 }
 250         }
 251
 252         // moved but didn't arrive at the intended destination
 253         #ifdef DEBUG_TRACEWALK
 254                 debugnodestatus(org, DEBUG_NODE_FAIL);
 255         #endif
 256
 257         return FALSE;
 258 };
 259
 260
 261 // grenade tracing to decide the best pitch to fire at
 262
 263 entity tracetossent;
 264 entity tracetossfaketarget;
 265
 266 // traces multiple trajectories to find one that will impact the target
 267 // 'end' vector is the place it aims for,
 268 // returns TRUE only if it hit targ (don't target non-solid entities)
 269 vector findtrajectory_velocity;
 270 float findtrajectorywithleading(vector org, vector m1, vector m2, entity targ, float shotspeed, float shotspeedupward, float maxtime, float shotdelay, entity ignore)
 271 {
 272         local float c, savesolid, shottime;
 273         local vector dir, end, v;
 274         if (shotspeed < 1)
 275                 return FALSE; // could cause division by zero if calculated
 276         if (targ.solid < SOLID_BBOX) // SOLID_NOT and SOLID_TRIGGER
 277                 return FALSE; // could never hit it
 278         if (!tracetossent)
 279                 tracetossent = spawn();
 280         tracetossent.owner = ignore;
 281         setsize(tracetossent, m1, m2);
 282         savesolid = targ.solid;
 283         targ.solid = SOLID_NOT;
 284         shottime = ((vlen(targ.origin - org) / shotspeed) + shotdelay);
 285         v = targ.velocity * shottime + targ.origin;
 286         tracebox(targ.origin, targ.mins, targ.maxs, v, FALSE, targ);
 287         v = trace_endpos;
 288         end = v + (targ.mins + targ.maxs) * 0.5;
 289         if ((vlen(end - org) / shotspeed + 0.2) > maxtime)
 290         {
 291                 // out of range
 292                 targ.solid = savesolid;
 293                 return FALSE;
 294         }
 295
 296         if (!tracetossfaketarget)
 297                 tracetossfaketarget = spawn();
 298         tracetossfaketarget.solid = savesolid;
 299         tracetossfaketarget.movetype = targ.movetype;
 300         setmodel(tracetossfaketarget, targ.model); // no low precision
 301         tracetossfaketarget.model = targ.model;
 302         tracetossfaketarget.modelindex = targ.modelindex;
 303         setsize(tracetossfaketarget, targ.mins, targ.maxs);
 304         setorigin(tracetossfaketarget, v);
 305
 306         c = 0;
 307         dir = normalize(end - org);
 308         while (c < 10) // 10 traces
 309         {
 310                 setorigin(tracetossent, org); // reset
 311                 tracetossent.velocity = findtrajectory_velocity = normalize(dir) * shotspeed + shotspeedupward * '0 0 1';
 312                 tracetoss(tracetossent, ignore); // love builtin functions...
 313                 if (trace_ent == tracetossfaketarget) // done
 314                 {
 315                         targ.solid = savesolid;
 316
 317                         // make it disappear
 318                         tracetossfaketarget.solid = SOLID_NOT;
 319                         tracetossfaketarget.movetype = MOVETYPE_NONE;
 320                         tracetossfaketarget.model = "";
 321                         tracetossfaketarget.modelindex = 0;
 322                         // relink to remove it from physics considerations
 323                         setorigin(tracetossfaketarget, v);
 324
 325                         return TRUE;
 326                 }
 327                 dir_z = dir_z + 0.1; // aim up a little more
 328                 c = c + 1;
 329         }
 330         targ.solid = savesolid;
 331
 332         // make it disappear
 333         tracetossfaketarget.solid = SOLID_NOT;
 334         tracetossfaketarget.movetype = MOVETYPE_NONE;
 335         tracetossfaketarget.model = "";
 336         tracetossfaketarget.modelindex = 0;
 337         // relink to remove it from physics considerations
 338         setorigin(tracetossfaketarget, v);
 339
 340         // leave a valid one even if it won't reach
 341         findtrajectory_velocity = normalize(end - org) * shotspeed + shotspeedupward * '0 0 1';
 342         return FALSE;
 343 };
 344
 345
 346
 347 // lag simulation
 348
 349 .void(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) lag_func;
 350
 351 // upto 5 queued messages
 352 .float lag1_time;
 353 .float lag1_float1;
 354 .float lag1_float2;
 355 .entity lag1_entity1;
 356 .vector lag1_vec1;
 357 .vector lag1_vec2;
 358 .vector lag1_vec3;
 359 .vector lag1_vec4;
 360
 361 .float lag2_time;
 362 .float lag2_float1;
 363 .float lag2_float2;
 364 .entity lag2_entity1;
 365 .vector lag2_vec1;
 366 .vector lag2_vec2;
 367 .vector lag2_vec3;
 368 .vector lag2_vec4;
 369
 370 .float lag3_time;
 371 .float lag3_float1;
 372 .float lag3_float2;
 373 .entity lag3_entity1;
 374 .vector lag3_vec1;
 375 .vector lag3_vec2;
 376 .vector lag3_vec3;
 377 .vector lag3_vec4;
 378
 379 .float lag4_time;
 380 .float lag4_float1;
 381 .float lag4_float2;
 382 .entity lag4_entity1;
 383 .vector lag4_vec1;
 384 .vector lag4_vec2;
 385 .vector lag4_vec3;
 386 .vector lag4_vec4;
 387
 388 .float lag5_time;
 389 .float lag5_float1;
 390 .float lag5_float2;
 391 .entity lag5_entity1;
 392 .vector lag5_vec1;
 393 .vector lag5_vec2;
 394 .vector lag5_vec3;
 395 .vector lag5_vec4;
 396
 397 void lag_update()
 398 {
 399         if (self.lag1_time) if (time > self.lag1_time) {self.lag_func(self.lag1_time, self.lag1_float1, self.lag1_float2, self.lag1_entity1, self.lag1_vec1, self.lag1_vec2, self.lag1_vec3, self.lag1_vec4);self.lag1_time = 0;}
 400         if (self.lag2_time) if (time > self.lag2_time) {self.lag_func(self.lag2_time, self.lag2_float1, self.lag2_float2, self.lag2_entity1, self.lag2_vec1, self.lag2_vec2, self.lag2_vec3, self.lag2_vec4);self.lag2_time = 0;}
 401         if (self.lag3_time) if (time > self.lag3_time) {self.lag_func(self.lag3_time, self.lag3_float1, self.lag3_float2, self.lag3_entity1, self.lag3_vec1, self.lag3_vec2, self.lag3_vec3, self.lag3_vec4);self.lag3_time = 0;}
 402         if (self.lag4_time) if (time > self.lag4_time) {self.lag_func(self.lag4_time, self.lag4_float1, self.lag4_float2, self.lag4_entity1, self.lag4_vec1, self.lag4_vec2, self.lag4_vec3, self.lag4_vec4);self.lag4_time = 0;}
 403         if (self.lag5_time) if (time > self.lag5_time) {self.lag_func(self.lag5_time, self.lag5_float1, self.lag5_float2, self.lag5_entity1, self.lag5_vec1, self.lag5_vec2, self.lag5_vec3, self.lag5_vec4);self.lag5_time = 0;}
 404 };
 405
 406 float lag_additem(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
 407 {
 408         if (self.lag1_time == 0) {self.lag1_time = t;self.lag1_float1 = f1;self.lag1_float2 = f2;self.lag1_entity1 = e1;self.lag1_vec1 = v1;self.lag1_vec2 = v2;self.lag1_vec3 = v3;self.lag1_vec4 = v4;return TRUE;}
 409         if (self.lag2_time == 0) {self.lag2_time = t;self.lag2_float1 = f1;self.lag2_float2 = f2;self.lag2_entity1 = e1;self.lag2_vec1 = v1;self.lag2_vec2 = v2;self.lag2_vec3 = v3;self.lag2_vec4 = v4;return TRUE;}
 410         if (self.lag3_time == 0) {self.lag3_time = t;self.lag3_float1 = f1;self.lag3_float2 = f2;self.lag3_entity1 = e1;self.lag3_vec1 = v1;self.lag3_vec2 = v2;self.lag3_vec3 = v3;self.lag3_vec4 = v4;return TRUE;}
 411         if (self.lag4_time == 0) {self.lag4_time = t;self.lag4_float1 = f1;self.lag4_float2 = f2;self.lag4_entity1 = e1;self.lag4_vec1 = v1;self.lag4_vec2 = v2;self.lag4_vec3 = v3;self.lag4_vec4 = v4;return TRUE;}
 412         if (self.lag5_time == 0) {self.lag5_time = t;self.lag5_float1 = f1;self.lag5_float2 = f2;self.lag5_entity1 = e1;self.lag5_vec1 = v1;self.lag5_vec2 = v2;self.lag5_vec3 = v3;self.lag5_vec4 = v4;return TRUE;}
 413         // no room for it (what is the best thing to do here??)
 414         return FALSE;
 415 };
 416
 417
 418 // Random skill system
 419 .float bot_thinkskill;
 420 .float bot_mouseskill;
 421 .float bot_predictionskill;
 422 .float bot_offsetskill;
 423
 424
 425 // spawnfunc_waypoint navigation system
 426
 427 // itemscore = (howmuchmoreIwant / howmuchIcanwant) / itemdistance
 428 // waypointscore = 0.7 / waypointdistance
 429
 430 .entity wp00, wp01, wp02, wp03, wp04, wp05, wp06, wp07;
 431 .entity wp08, wp09, wp10, wp11, wp12, wp13, wp14, wp15;
 432 .entity wp16, wp17, wp18, wp19, wp20, wp21, wp22, wp23, wp24, wp25, wp26, wp27, wp28, wp29, wp30, wp31;
 433 .float wp00mincost, wp01mincost, wp02mincost, wp03mincost, wp04mincost, wp05mincost, wp06mincost, wp07mincost;
 434 .float wp08mincost, wp09mincost, wp10mincost, wp11mincost, wp12mincost, wp13mincost, wp14mincost, wp15mincost;
 435 .float wp16mincost, wp17mincost, wp18mincost, wp19mincost, wp20mincost, wp21mincost, wp22mincost, wp23mincost, wp24mincost, wp25mincost, wp26mincost, wp27mincost, wp28mincost, wp29mincost, wp30mincost, wp31mincost;
 436 .float wpfire, wpcost, wpconsidered;
 437 .float wpisbox;
 438 .float wpflags;
 439 .vector wpnearestpoint;
 440
 441 // stack of current goals (the last one of which may be an item or other
 442 // desirable object, the rest are typically waypoints to reach it)
 443 .entity goalcurrent, goalstack01, goalstack02, goalstack03;
 444 .entity goalstack04, goalstack05, goalstack06, goalstack07;
 445 .entity goalstack08, goalstack09, goalstack10, goalstack11;
 446 .entity goalstack12, goalstack13, goalstack14, goalstack15;
 447 .entity goalstack16, goalstack17, goalstack18, goalstack19;
 448 .entity goalstack20, goalstack21, goalstack22, goalstack23;
 449 .entity goalstack24, goalstack25, goalstack26, goalstack27;
 450 .entity goalstack28, goalstack29, goalstack30, goalstack31;
 451
 452 .entity nearestwaypoint;
 453 .float nearestwaypointtimeout;
 454
 455 // used during navigation_goalrating_begin/end sessions
 456 #define MAX_BESTGOALS 3
 457 float bestgoalswindex;
 458 float bestgoalsrindex;
 459 float navigation_bestrating;
 460 entity navigation_bestgoals[MAX_BESTGOALS];
 461 .float navigation_hasgoals;
 462
 463 /////////////////////////////////////////////////////////////////////////////
 464 // spawnfunc_waypoint management
 465 /////////////////////////////////////////////////////////////////////////////
 466
 467 // waypoints with this flag are not saved, they are automatically generated
 468 // waypoints like jump pads, teleporters, and items
 469 float WAYPOINTFLAG_GENERATED = 8388608;
 470 float WAYPOINTFLAG_ITEM = 4194304;
 471 float WAYPOINTFLAG_TELEPORT = 2097152;
 472 float WAYPOINTFLAG_NORELINK = 1048576;
 473
 474 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 475 void waypoint_addlink(entity from, entity to)
 476 {
 477         local float c;
 478
 479         if (from == to)
 480                 return;
 481         if (from.wpflags & WAYPOINTFLAG_NORELINK)
 482                 return;
 483
 484         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
 485         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
 486         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
 487         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
 488         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
 489         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
 490         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
 491         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
 492
 493         if (to.wpisbox || from.wpisbox)
 494         {
 495                 // if either is a box we have to find the nearest points on them to
 496                 // calculate the distance properly
 497                 local vector v1, v2, m1, m2;
 498                 v1 = from.origin;
 499                 m1 = to.absmin;
 500                 m2 = to.absmax;
 501                 v1_x = bound(m1_x, v1_x, m2_x);
 502                 v1_y = bound(m1_y, v1_y, m2_y);
 503                 v1_z = bound(m1_z, v1_z, m2_z);
 504                 v2 = to.origin;
 505                 m1 = from.absmin;
 506                 m2 = from.absmax;
 507                 v2_x = bound(m1_x, v2_x, m2_x);
 508                 v2_y = bound(m1_y, v2_y, m2_y);
 509                 v2_z = bound(m1_z, v2_z, m2_z);
 510                 v2 = to.origin;
 511                 c = vlen(v2 - v1);
 512         }
 513         else
 514                 c = vlen(to.origin - from.origin);
 515
 516         if (from.wp31mincost < c) return;
 517         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 518         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 519         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 520         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 521         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 522         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 523         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 524         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 525         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 526         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 527         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 528         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 529         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 530         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 531         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 532         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 533         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 534         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 535         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 536         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 537         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 538         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 539         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 540         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 541         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 542         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 543         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 544         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 545         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 546         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 547         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 548         from.wp00 = to;from.wp00mincost = c;return;
 549 };
 550
 551 // fields you can query using prvm_global server to get some statistics about waypoint linking culling
 552 float relink_total, relink_walkculled, relink_pvsculled, relink_lengthculled;
 553
 554 // relink this spawnfunc_waypoint
 555 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 556 // (SLOW!)
 557 void waypoint_think()
 558 {
 559         local entity e;
 560         local vector sv, sm1, sm2, ev, em1, em2, dv;
 561         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 562         sm1 = self.origin + self.mins;
 563         sm2 = self.origin + self.maxs;
 564         stepheightvec = cvar("sv_stepheight") * '0 0 1';
 565         for(e = world; (e = find(e, classname, "waypoint")); )
 566         {
 567                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 568                 {
 569                         waypoint_addlink(self, e);
 570                         waypoint_addlink(e, self);
 571                 }
 572                 else
 573                 {
 574                         ++relink_total;
 575                         if(!checkpvs(self.origin, e))
 576                         {
 577                                 ++relink_pvsculled;
 578                                 continue;
 579                         }
 580                         sv = e.origin;
 581                         sv_x = bound(sm1_x, sv_x, sm2_x);
 582                         sv_y = bound(sm1_y, sv_y, sm2_y);
 583                         sv_z = bound(sm1_z, sv_z, sm2_z);
 584                         ev = self.origin;
 585                         em1 = e.origin + e.mins;
 586                         em2 = e.origin + e.maxs;
 587                         ev_x = bound(em1_x, ev_x, em2_x);
 588                         ev_y = bound(em1_y, ev_y, em2_y);
 589                         ev_z = bound(em1_z, ev_z, em2_z);
 590                         dv = ev - sv;
 591                         dv_z = 0;
 592                         if (vlen(dv) >= 1050) // max search distance in XY
 593                         {
 594                                 ++relink_lengthculled;
 595                                 continue;
 596                         }
 597                         navigation_testtracewalk = 0;
 598                         if (!self.wpisbox)
 599                         {
 600                                 tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
 601                                 if (!trace_startsolid)
 602                                 {
 603                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 604                                         sv = trace_endpos + '0 0 1';
 605                                 }
 606                         }
 607                         if (!e.wpisbox)
 608                         {
 609                                 tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
 610                                 if (!trace_startsolid)
 611                                 {
 612                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 613                                         ev = trace_endpos + '0 0 1';
 614                                 }
 615                         }
 616                         //traceline(self.origin, e.origin, FALSE, world);
 617                         //if (trace_fraction == 1)
 618                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
 619                                 waypoint_addlink(self, e);
 620                         else
 621                                 relink_walkculled += 0.5;
 622                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
 623                                 waypoint_addlink(e, self);
 624                         else
 625                                 relink_walkculled += 0.5;
 626                 }
 627         }
 628         navigation_testtracewalk = 0;
 629 };
 630
 631 void waypoint_clearlinks(entity wp)
 632 {
 633         // clear links to other waypoints
 634         local float f;
 635         f = 10000000;
 636         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = world;wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
 637         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = world;wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
 638         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = world;wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
 639         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = world;wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
 640 };
 641
 642 // tell a spawnfunc_waypoint to relink
 643 void waypoint_schedulerelink(entity wp)
 644 {
 645         if (wp == world)
 646                 return;
 647         // TODO: add some sort of visible box in edit mode for box waypoints
 648         if (cvar("g_waypointeditor"))
 649         {
 650                 local vector m1, m2;
 651                 m1 = wp.mins;
 652                 m2 = wp.maxs;
 653                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
 654                 setsize(wp, m1, m2);
 655                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 656                         wp.colormod = '1 0 0';
 657                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 658                         wp.colormod = '1 1 0';
 659                 else
 660                         wp.colormod = '1 1 1';
 661         }
 662         else
 663                 wp.model = "";
 664         wp.wpisbox = vlen(wp.size) > 0;
 665         wp.enemy = world;
 666         wp.owner = world;
 667         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 668                 waypoint_clearlinks(wp);
 669         // schedule an actual relink on next frame
 670         wp.think = waypoint_think;
 671         wp.nextthink = time;
 672         wp.effects = EF_LOWPRECISION;
 673 }
 674
 675 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
 676 // them back to it as well
 677 // (suitable for spawnfunc_waypoint editor)
 678 entity waypoint_spawn(vector m1, vector m2, float f)
 679 {
 680         local entity w;
 681         local vector org;
 682         w = find(world, classname, "waypoint");
 683         while (w)
 684         {
 685                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
 686                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
 687                         return w;
 688                 w = find(w, classname, "waypoint");
 689         }
 690         w = spawn();
 691         w.classname = "waypoint";
 692         w.wpflags = f;
 693         setorigin(w, (m1 + m2) * 0.5);
 694         setsize(w, m1 - w.origin, m2 - w.origin);
 695         if (vlen(w.size) > 0)
 696                 w.wpisbox = TRUE;
 697
 698         if(!(f & WAYPOINTFLAG_GENERATED))
 699         if(!w.wpisbox)
 700         {
 701                 traceline(w.origin + '0 0 1', w.origin + PL_MIN_z * '0 0 1' - '0 0 1', MOVE_NOMONSTERS, w);
 702                 if (trace_fraction < 1)
 703                         setorigin(w, trace_endpos - PL_MIN_z * '0 0 1');
 704
 705                 // check if the start position is stuck
 706                 tracebox(w.origin, PL_MIN + '-1 -1 -1', PL_MAX + '1 1 1', w.origin, MOVE_NOMONSTERS, w);
 707                 if (trace_startsolid)
 708                 {
 709                         org = w.origin + '0 0 26';
 710                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 711                         if(trace_startsolid)
 712                         {
 713                                 org = w.origin + '2 2 2';
 714                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 715                                 if(trace_startsolid)
 716                                 {
 717                                         org = w.origin + '-2 -2 2';
 718                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 719                                         if(trace_startsolid)
 720                                         {
 721                                                 org = w.origin + '-2 2 2';
 722                                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 723                                                 if(trace_startsolid)
 724                                                 {
 725                                                         org = w.origin + '2 -2 2';
 726                                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 727                                                         if(trace_startsolid)
 728                                                         {
 729                                                                 // this WP is in solid, refuse it
 730                                                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 731                                                                 remove(w);
 732                                                                 return world;
 733                                                         }
 734                                                 }
 735                                         }
 736                                 }
 737                         }
 738                         setorigin(w, org * 0.05 + trace_endpos * 0.95); // don't trust the trace fully
 739                 }
 740
 741                 tracebox(w.origin, PL_MIN, PL_MAX, w.origin - '0 0 128', MOVE_WORLDONLY, w);
 742                 if(trace_startsolid)
 743                 {
 744                         dprint("Killed a waypoint that was stuck in solid ", vtos(w.origin), "\n");
 745                         remove(w);
 746                         return world;
 747                 }
 748                 if (!trace_inwater)
 749                 {
 750                         if(trace_fraction == 1)
 751                         {
 752                                 dprint("Killed a waypoint that was stuck in air at ", vtos(w.origin), "\n");
 753                                 remove(w);
 754                                 return world;
 755                         }
 756                         trace_endpos_z += 0.1; // don't trust the trace fully
 757 //                      dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 758 //                      dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 759                         setorigin(w, trace_endpos);
 760                 }
 761         }
 762
 763         waypoint_clearlinks(w);
 764         //waypoint_schedulerelink(w);
 765         return w;
 766 };
 767
 768 // spawnfunc_waypoint map entity
 769 void spawnfunc_waypoint()
 770 {
 771         setorigin(self, self.origin);
 772         // schedule a relink after other waypoints have had a chance to spawn
 773         waypoint_clearlinks(self);
 774         //waypoint_schedulerelink(self);
 775 };
 776
 777 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 778 void waypoint_remove(entity e)
 779 {
 780         // tell all linked waypoints that they need to relink
 781         waypoint_schedulerelink(e.wp00);
 782         waypoint_schedulerelink(e.wp01);
 783         waypoint_schedulerelink(e.wp02);
 784         waypoint_schedulerelink(e.wp03);
 785         waypoint_schedulerelink(e.wp04);
 786         waypoint_schedulerelink(e.wp05);
 787         waypoint_schedulerelink(e.wp06);
 788         waypoint_schedulerelink(e.wp07);
 789         waypoint_schedulerelink(e.wp08);
 790         waypoint_schedulerelink(e.wp09);
 791         waypoint_schedulerelink(e.wp10);
 792         waypoint_schedulerelink(e.wp11);
 793         waypoint_schedulerelink(e.wp12);
 794         waypoint_schedulerelink(e.wp13);
 795         waypoint_schedulerelink(e.wp14);
 796         waypoint_schedulerelink(e.wp15);
 797         waypoint_schedulerelink(e.wp16);
 798         waypoint_schedulerelink(e.wp17);
 799         waypoint_schedulerelink(e.wp18);
 800         waypoint_schedulerelink(e.wp19);
 801         waypoint_schedulerelink(e.wp20);
 802         waypoint_schedulerelink(e.wp21);
 803         waypoint_schedulerelink(e.wp22);
 804         waypoint_schedulerelink(e.wp23);
 805         waypoint_schedulerelink(e.wp24);
 806         waypoint_schedulerelink(e.wp25);
 807         waypoint_schedulerelink(e.wp26);
 808         waypoint_schedulerelink(e.wp27);
 809         waypoint_schedulerelink(e.wp28);
 810         waypoint_schedulerelink(e.wp29);
 811         waypoint_schedulerelink(e.wp30);
 812         waypoint_schedulerelink(e.wp31);
 813         // and now remove the spawnfunc_waypoint
 814         remove(e);
 815 };
 816
 817 // empties the map of waypoints
 818 void waypoint_removeall()
 819 {
 820         local entity head, next;
 821         head = findchain(classname, "waypoint");
 822         while (head)
 823         {
 824                 next = head.chain;
 825                 remove(head);
 826                 head = next;
 827         }
 828 };
 829
 830 // tell all waypoints to relink
 831 // (is this useful at all?)
 832 void waypoint_schedulerelinkall()
 833 {
 834         local entity head;
 835         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 836         head = findchain(classname, "waypoint");
 837         while (head)
 838         {
 839                 waypoint_schedulerelink(head);
 840                 head = head.chain;
 841         }
 842 };
 843
 844 // Load waypoint links from file
 845 float botframe_cachedwaypointlinks;
 846 float waypoint_load_links()
 847 {
 848         local string filename, s;
 849         local float file, tokens, c, found;
 850         local entity wp_from, wp_to;
 851         local vector wp_to_pos, wp_from_pos;
 852         filename = strcat("maps/", mapname);
 853         filename = strcat(filename, ".waypoints.cache");
 854         file = fopen(filename, FILE_READ);
 855
 856         if (file < 0)
 857         {
 858                 dprint("waypoint links load from ");
 859                 dprint(filename);
 860                 dprint(" failed\n");
 861                 return FALSE;
 862         }
 863
 864         while (1)
 865         {
 866                 s = fgets(file);
 867                 if (!s)
 868                         break;
 869
 870                 tokens = tokenizebyseparator(s, "*");
 871
 872                 if (tokens!=2)
 873                 {
 874                         // bad file format
 875                         fclose(file);
 876                         return FALSE;
 877                 }
 878
 879                 wp_from_pos     = stov(argv(0));
 880                 wp_to_pos       = stov(argv(1));
 881
 882                 // Search "from" waypoint
 883                 if(wp_from.origin!=wp_from_pos)
 884                 {
 885                         wp_from = findradius(wp_from_pos, 1);
 886                         found = FALSE;
 887                         while(wp_from)
 888                         {
 889                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 890                                 if(wp_from.classname == "waypoint")
 891                                 {
 892                                         found = TRUE;
 893                                         break;
 894                                 }
 895                                 wp_from = wp_from.chain;
 896                         }
 897
 898                         if(!found)
 899                         {
 900                                 // can't find that waypoint
 901                                 fclose(file);
 902                                 return FALSE;
 903                         }
 904                 }
 905
 906                 // Search "to" waypoint
 907                 wp_to = findradius(wp_to_pos, 1);
 908                 found = FALSE;
 909                 while(wp_to)
 910                 {
 911                         if(vlen(wp_to.origin-wp_to_pos)<1)
 912                         if(wp_to.classname == "waypoint")
 913                         {
 914                                 found = TRUE;
 915                                 break;
 916                         }
 917                         wp_to = wp_to.chain;
 918                 }
 919
 920                 if(!found)
 921                 {
 922                         // can't find that waypoint
 923                         fclose(file);
 924                         return FALSE;
 925                 }
 926
 927                 ++c;
 928                 waypoint_addlink(wp_from, wp_to);
 929         }
 930
 931         fclose(file);
 932
 933         dprint("loaded ");
 934         dprint(ftos(c));
 935         dprint(" waypoint links from maps/");
 936         dprint(mapname);
 937         dprint(".waypoints.cache\n");
 938
 939         botframe_cachedwaypointlinks = TRUE;
 940         return TRUE;
 941 };
 942
 943 float botframe_loadedforcedlinks;
 944 void waypoint_load_links_hardwired()
 945 {
 946         local string filename, s;
 947         local float file, tokens, c, found;
 948         local entity wp_from, wp_to;
 949         local vector wp_to_pos, wp_from_pos;
 950         filename = strcat("maps/", mapname);
 951         filename = strcat(filename, ".waypoints.hardwired");
 952         file = fopen(filename, FILE_READ);
 953
 954         botframe_loadedforcedlinks = TRUE;
 955
 956         if (file < 0)
 957         {
 958                 dprint("waypoint links load from ");
 959                 dprint(filename);
 960                 dprint(" failed\n");
 961                 return;
 962         }
 963
 964         for (;;)
 965         {
 966                 s = fgets(file);
 967                 if (!s)
 968                         break;
 969
 970                 if(substring(s, 0, 2)=="//")
 971                         continue;
 972
 973                 if(substring(s, 0, 1)=="#")
 974                         continue;
 975
 976                 tokens = tokenizebyseparator(s, "*");
 977
 978                 if (tokens!=2)
 979                         continue;
 980
 981                 wp_from_pos     = stov(argv(0));
 982                 wp_to_pos       = stov(argv(1));
 983
 984                 // Search "from" waypoint
 985                 if(wp_from.origin!=wp_from_pos)
 986                 {
 987                         wp_from = findradius(wp_from_pos, 1);
 988                         found = FALSE;
 989                         while(wp_from)
 990                         {
 991                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 992                                 if(wp_from.classname == "waypoint")
 993                                 {
 994                                         found = TRUE;
 995                                         break;
 996                                 }
 997                                 wp_from = wp_from.chain;
 998                         }
 999
1000                         if(!found)
1001                         {
1002                                 print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped\n"));
1003                                 continue;
1004                         }
1005                 }
1006
1007                 // Search "to" waypoint
1008                 wp_to = findradius(wp_to_pos, 1);
1009                 found = FALSE;
1010                 while(wp_to)
1011                 {
1012                         if(vlen(wp_to.origin-wp_to_pos)<1)
1013                         if(wp_to.classname == "waypoint")
1014                         {
1015                                 found = TRUE;
1016                                 break;
1017                         }
1018                         wp_to = wp_to.chain;
1019                 }
1020
1021                 if(!found)
1022                 {
1023                         print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped\n"));
1024                         continue;
1025                 }
1026
1027                 ++c;
1028                 waypoint_addlink(wp_from, wp_to);
1029         }
1030
1031         fclose(file);
1032
1033         dprint("loaded ");
1034         dprint(ftos(c));
1035         dprint(" waypoint links from maps/");
1036         dprint(mapname);
1037         dprint(".waypoints.hardwired\n");
1038 };
1039
1040
1041 // Save all waypoint links to a file
1042 void waypoint_save_links()
1043 {
1044         local string filename, s;
1045         local float file, c, i;
1046         local entity w, link;
1047         filename = strcat("maps/", mapname);
1048         filename = strcat(filename, ".waypoints.cache");
1049         file = fopen(filename, FILE_WRITE);
1050         if (file < 0)
1051         {
1052                 print("waypoint links save to ");
1053                 print(filename);
1054                 print(" failed\n");
1055         }
1056         c = 0;
1057         w = findchain(classname, "waypoint");
1058         while (w)
1059         {
1060                 for(i=0;i<32;++i)
1061                 {
1062                         // :S
1063                         switch(i)
1064                         {
1065                                 //      for i in $(seq -w 0 31); do echo "case $i:link = w.wp$i; break;"; done;
1066                                 case 00:link = w.wp00; break;
1067                                 case 01:link = w.wp01; break;
1068                                 case 02:link = w.wp02; break;
1069                                 case 03:link = w.wp03; break;
1070                                 case 04:link = w.wp04; break;
1071                                 case 05:link = w.wp05; break;
1072                                 case 06:link = w.wp06; break;
1073                                 case 07:link = w.wp07; break;
1074                                 case 08:link = w.wp08; break;
1075                                 case 09:link = w.wp09; break;
1076                                 case 10:link = w.wp10; break;
1077                                 case 11:link = w.wp11; break;
1078                                 case 12:link = w.wp12; break;
1079                                 case 13:link = w.wp13; break;
1080                                 case 14:link = w.wp14; break;
1081                                 case 15:link = w.wp15; break;
1082                                 case 16:link = w.wp16; break;
1083                                 case 17:link = w.wp17; break;
1084                                 case 18:link = w.wp18; break;
1085                                 case 19:link = w.wp19; break;
1086                                 case 20:link = w.wp20; break;
1087                                 case 21:link = w.wp21; break;
1088                                 case 22:link = w.wp22; break;
1089                                 case 23:link = w.wp23; break;
1090                                 case 24:link = w.wp24; break;
1091                                 case 25:link = w.wp25; break;
1092                                 case 26:link = w.wp26; break;
1093                                 case 27:link = w.wp27; break;
1094                                 case 28:link = w.wp28; break;
1095                                 case 29:link = w.wp29; break;
1096                                 case 30:link = w.wp30; break;
1097                                 case 31:link = w.wp31; break;
1098                         }
1099
1100                         if(link==world)
1101                                 continue;
1102
1103                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
1104                         fputs(file, s);
1105                         ++c;
1106                 }
1107                 w = w.chain;
1108         }
1109         fclose(file);
1110         botframe_cachedwaypointlinks = TRUE;
1111
1112         print("saved ");
1113         print(ftos(c));
1114         print(" waypoints links to maps/");
1115         print(mapname);
1116         print(".waypoints.cache\n");
1117 };
1118
1119 // save waypoints to gamedir/data/maps/mapname.waypoints
1120 void waypoint_saveall()
1121 {
1122         local string filename, s;
1123         local float file, c;
1124         local entity w;
1125         filename = strcat("maps/", mapname);
1126         filename = strcat(filename, ".waypoints");
1127         file = fopen(filename, FILE_WRITE);
1128         if (file >= 0)
1129         {
1130                 c = 0;
1131                 w = findchain(classname, "waypoint");
1132                 while (w)
1133                 {
1134                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
1135                         {
1136                                 s = strcat(vtos(w.origin + w.mins), "\n");
1137                                 s = strcat(s, vtos(w.origin + w.maxs));
1138                                 s = strcat(s, "\n");
1139                                 s = strcat(s, ftos(w.wpflags));
1140                                 s = strcat(s, "\n");
1141                                 fputs(file, s);
1142                                 c = c + 1;
1143                         }
1144                         w = w.chain;
1145                 }
1146                 fclose(file);
1147                 bprint("saved ");
1148                 bprint(ftos(c));
1149                 bprint(" waypoints to maps/");
1150                 bprint(mapname);
1151                 bprint(".waypoints\n");
1152         }
1153         else
1154         {
1155                 bprint("waypoint save to ");
1156                 bprint(filename);
1157                 bprint(" failed\n");
1158         }
1159         waypoint_save_links();
1160         botframe_loadedforcedlinks = FALSE;
1161 };
1162
1163 // load waypoints from file
1164 float waypoint_loadall()
1165 {
1166         local string filename, s;
1167         local float file, cwp, cwb, fl;
1168         local vector m1, m2;
1169         cwp = 0;
1170         cwb = 0;
1171         filename = strcat("maps/", mapname);
1172         filename = strcat(filename, ".waypoints");
1173         file = fopen(filename, FILE_READ);
1174         if (file >= 0)
1175         {
1176                 while (1)
1177                 {
1178                         s = fgets(file);
1179                         if (!s)
1180                                 break;
1181                         m1 = stov(s);
1182                         s = fgets(file);
1183                         if (!s)
1184                                 break;
1185                         m2 = stov(s);
1186                         s = fgets(file);
1187                         if (!s)
1188                                 break;
1189                         fl = stof(s);
1190                         waypoint_spawn(m1, m2, fl);
1191                         if (m1 == m2)
1192                                 cwp = cwp + 1;
1193                         else
1194                                 cwb = cwb + 1;
1195                 }
1196                 fclose(file);
1197                 dprint("loaded ");
1198                 dprint(ftos(cwp));
1199                 dprint(" waypoints and ");
1200                 dprint(ftos(cwb));
1201                 dprint(" wayboxes from maps/");
1202                 dprint(mapname);
1203                 dprint(".waypoints\n");
1204         }
1205         else
1206         {
1207                 dprint("waypoint load from ");
1208                 dprint(filename);
1209                 dprint(" failed\n");
1210         }
1211         return cwp + cwb;
1212 };
1213
1214 void waypoint_spawnforitem(entity e)
1215 {
1216         local entity w;
1217         local vector org;
1218
1219         if(!bot_waypoints_for_items)
1220                 return;
1221
1222         // Center of entity
1223         org = e.origin + (e.mins + e.maxs) * 0.5;
1224
1225         // Calculate the altitude where the waypoint will be placed
1226         traceline(e.origin, e.origin + '0 0 -65535', TRUE, e);
1227         if(e.origin_z + e.mins_z - trace_endpos_z < PL_MAX_z - PL_MIN_z + 10)
1228                 org_z = trace_endpos_z + PL_MAX_z - PL_MIN_z;
1229         else
1230                 org_z = e.origin_z;
1231
1232         e.nearestwaypointtimeout = time + 1000000000;
1233         // don't spawn an item spawnfunc_waypoint if it already exists
1234         w = findchain(classname, "waypoint");
1235         while (w)
1236         {
1237                 if (w.wpisbox)
1238                 {
1239                         if (boxesoverlap(org, org, w.absmin, w.absmax))
1240                         {
1241                                 e.nearestwaypoint = w;
1242                                 return;
1243                         }
1244                 }
1245                 else
1246                 {
1247                         if (vlen(w.origin - org) < 16)
1248                         {
1249                                 e.nearestwaypoint = w;
1250                                 return;
1251                         }
1252                 }
1253                 w = w.chain;
1254         }
1255         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1256 };
1257
1258 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
1259 {
1260         local entity w;
1261         local entity dw;
1262         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
1263         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
1264         // one way link to the destination
1265         w.wp00 = dw;
1266         w.wp00mincost = timetaken; // this is just for jump pads
1267         // the teleporter's nearest spawnfunc_waypoint is this one
1268         // (teleporters are not goals, so this is probably useless)
1269         e.nearestwaypoint = w;
1270         e.nearestwaypointtimeout = time + 1000000000;
1271 };
1272
1273
1274
1275
1276
1277 /////////////////////////////////////////////////////////////////////////////
1278 // goal stack
1279 /////////////////////////////////////////////////////////////////////////////
1280
1281 // completely empty the goal stack, used when deciding where to go
1282 void navigation_clearroute()
1283 {
1284         self.navigation_hasgoals = FALSE;
1285         self.goalcurrent = world;
1286         self.goalstack01 = world;
1287         self.goalstack02 = world;
1288         self.goalstack03 = world;
1289         self.goalstack04 = world;
1290         self.goalstack05 = world;
1291         self.goalstack06 = world;
1292         self.goalstack07 = world;
1293         self.goalstack08 = world;
1294         self.goalstack09 = world;
1295         self.goalstack10 = world;
1296         self.goalstack11 = world;
1297         self.goalstack12 = world;
1298         self.goalstack13 = world;
1299         self.goalstack14 = world;
1300         self.goalstack15 = world;
1301         self.goalstack16 = world;
1302         self.goalstack17 = world;
1303         self.goalstack18 = world;
1304         self.goalstack19 = world;
1305         self.goalstack20 = world;
1306         self.goalstack21 = world;
1307         self.goalstack22 = world;
1308         self.goalstack23 = world;
1309         self.goalstack24 = world;
1310         self.goalstack25 = world;
1311         self.goalstack26 = world;
1312         self.goalstack27 = world;
1313         self.goalstack28 = world;
1314         self.goalstack29 = world;
1315         self.goalstack30 = world;
1316         self.goalstack31 = world;
1317 };
1318
1319 // add a new goal at the beginning of the stack
1320 // (in other words: add a new prerequisite before going to the later goals)
1321 void navigation_pushroute(entity e)
1322 {
1323         self.goalstack31 = self.goalstack30;
1324         self.goalstack30 = self.goalstack29;
1325         self.goalstack29 = self.goalstack28;
1326         self.goalstack28 = self.goalstack27;
1327         self.goalstack27 = self.goalstack26;
1328         self.goalstack26 = self.goalstack25;
1329         self.goalstack25 = self.goalstack24;
1330         self.goalstack24 = self.goalstack23;
1331         self.goalstack23 = self.goalstack22;
1332         self.goalstack22 = self.goalstack21;
1333         self.goalstack21 = self.goalstack20;
1334         self.goalstack20 = self.goalstack19;
1335         self.goalstack19 = self.goalstack18;
1336         self.goalstack18 = self.goalstack17;
1337         self.goalstack17 = self.goalstack16;
1338         self.goalstack16 = self.goalstack15;
1339         self.goalstack15 = self.goalstack14;
1340         self.goalstack14 = self.goalstack13;
1341         self.goalstack13 = self.goalstack12;
1342         self.goalstack12 = self.goalstack11;
1343         self.goalstack11 = self.goalstack10;
1344         self.goalstack10 = self.goalstack09;
1345         self.goalstack09 = self.goalstack08;
1346         self.goalstack08 = self.goalstack07;
1347         self.goalstack07 = self.goalstack06;
1348         self.goalstack06 = self.goalstack05;
1349         self.goalstack05 = self.goalstack04;
1350         self.goalstack04 = self.goalstack03;
1351         self.goalstack03 = self.goalstack02;
1352         self.goalstack02 = self.goalstack01;
1353         self.goalstack01 = self.goalcurrent;
1354         self.goalcurrent = e;
1355 };
1356
1357 // remove first goal from stack
1358 // (in other words: remove a prerequisite for reaching the later goals)
1359 // (used when a spawnfunc_waypoint is reached)
1360 void navigation_poproute()
1361 {
1362         self.goalcurrent = self.goalstack01;
1363         self.goalstack01 = self.goalstack02;
1364         self.goalstack02 = self.goalstack03;
1365         self.goalstack03 = self.goalstack04;
1366         self.goalstack04 = self.goalstack05;
1367         self.goalstack05 = self.goalstack06;
1368         self.goalstack06 = self.goalstack07;
1369         self.goalstack07 = self.goalstack08;
1370         self.goalstack08 = self.goalstack09;
1371         self.goalstack09 = self.goalstack10;
1372         self.goalstack10 = self.goalstack11;
1373         self.goalstack11 = self.goalstack12;
1374         self.goalstack12 = self.goalstack13;
1375         self.goalstack13 = self.goalstack14;
1376         self.goalstack14 = self.goalstack15;
1377         self.goalstack15 = self.goalstack16;
1378         self.goalstack16 = self.goalstack17;
1379         self.goalstack17 = self.goalstack18;
1380         self.goalstack18 = self.goalstack19;
1381         self.goalstack19 = self.goalstack20;
1382         self.goalstack20 = self.goalstack21;
1383         self.goalstack21 = self.goalstack22;
1384         self.goalstack22 = self.goalstack23;
1385         self.goalstack23 = self.goalstack24;
1386         self.goalstack24 = self.goalstack25;
1387         self.goalstack25 = self.goalstack26;
1388         self.goalstack26 = self.goalstack27;
1389         self.goalstack27 = self.goalstack28;
1390         self.goalstack28 = self.goalstack29;
1391         self.goalstack29 = self.goalstack30;
1392         self.goalstack30 = self.goalstack31;
1393         self.goalstack31 = world;
1394 };
1395
1396 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
1397 entity navigation_findnearestwaypoint(entity player, float walkfromwp)
1398 {
1399         local entity waylist, w, best;
1400         local float dist, bestdist;
1401         local vector v, org, pm1, pm2;
1402         pm1 = player.origin + PL_MIN;
1403         pm2 = player.origin + PL_MAX;
1404         waylist = findchain(classname, "waypoint");
1405         // do two scans, because box test is cheaper
1406         w = waylist;
1407         while (w)
1408         {
1409                 // if object is touching spawnfunc_waypoint
1410                 if (boxesoverlap(pm1, pm2, w.absmin, w.absmax))
1411                         return w;
1412                 w = w.chain;
1413         }
1414
1415         org = player.origin + (player.mins_z - PL_MIN_z) * '0 0 1';
1416         if(player.tag_entity)
1417                 org = org + player.tag_entity.origin;
1418         if (navigation_testtracewalk)
1419                 te_plasmaburn(org);
1420         best = world;
1421         bestdist = 1050;
1422
1423         // box check failed, try walk
1424         w = waylist;
1425         while (w)
1426         {
1427                 // if object can walk from spawnfunc_waypoint
1428                 if (w.wpisbox)
1429                 {
1430                         local vector wm1, wm2;
1431                         wm1 = w.origin + w.mins;
1432                         wm2 = w.origin + w.maxs;
1433                         v_x = bound(wm1_x, org_x, wm2_x);
1434                         v_y = bound(wm1_y, org_y, wm2_y);
1435                         v_z = bound(wm1_z, org_z, wm2_z);
1436                 }
1437                 else
1438                         v = w.origin;
1439                 dist = vlen(v - org);
1440                 if (bestdist > dist)
1441                 {
1442                         if (walkfromwp)
1443                         {
1444                                 traceline(v, org, TRUE, player);
1445                                 if (trace_fraction == 1)
1446                                 if (tracewalk(player, v, PL_MIN, PL_MAX, org, MOVE_NORMAL))
1447                                 {
1448                                         bestdist = dist;
1449                                         best = w;
1450                                 }
1451                         }
1452                         else
1453                         {
1454                                 traceline(v, org, TRUE, player);
1455                                 if (trace_fraction == 1)
1456                                 if (tracewalk(player, org, PL_MIN, PL_MAX, v, MOVE_NORMAL))
1457                                 {
1458                                         bestdist = dist;
1459                                         best = w;
1460                                 }
1461                         }
1462                 }
1463                 w = w.chain;
1464         }
1465         return best;
1466 }
1467
1468 // finds the waypoints near the bot initiating a navigation query
1469 float navigation_markroutes_nearestwaypoints(entity waylist, float maxdist)
1470 {
1471         local entity head;
1472         local vector v, m1, m2, diff;
1473         local float c;
1474 //      navigation_testtracewalk = TRUE;
1475         c = 0;
1476         head = waylist;
1477         while (head)
1478         {
1479                 if (!head.wpconsidered)
1480                 {
1481                         if (head.wpisbox)
1482                         {
1483                                 m1 = head.origin + head.mins;
1484                                 m2 = head.origin + head.maxs;
1485                                 v = self.origin;
1486                                 v_x = bound(m1_x, v_x, m2_x);
1487                                 v_y = bound(m1_y, v_y, m2_y);
1488                                 v_z = bound(m1_z, v_z, m2_z);
1489                         }
1490                         else
1491                                 v = head.origin;
1492                         diff = v - self.origin;
1493                         diff_z = max(0, diff_z);
1494                         if (vlen(diff) < maxdist)
1495                         {
1496                                 head.wpconsidered = TRUE;
1497                                 if (tracewalk(self, self.origin, self.mins, self.maxs, v, MOVE_NORMAL))
1498                                 {
1499                                         head.wpnearestpoint = v;
1500                                         head.wpcost = vlen(v - self.origin) + head.dmg;
1501                                         head.wpfire = 1;
1502                                         head.enemy = world;
1503                                         c = c + 1;
1504                                 }
1505                         }
1506                 }
1507                 head = head.chain;
1508         }
1509         //navigation_testtracewalk = FALSE;
1510         return c;
1511 }
1512
1513 // updates a path link if a spawnfunc_waypoint link is better than the current one
1514 void navigation_markroutes_checkwaypoint(entity w, entity wp, float cost2, vector p)
1515 {
1516         local vector m1;
1517         local vector m2;
1518         local vector v;
1519         if (wp.wpisbox)
1520         {
1521                 m1 = wp.absmin;
1522                 m2 = wp.absmax;
1523                 v_x = bound(m1_x, p_x, m2_x);
1524                 v_y = bound(m1_y, p_y, m2_y);
1525                 v_z = bound(m1_z, p_z, m2_z);
1526         }
1527         else
1528                 v = wp.origin;
1529         cost2 = cost2 + vlen(v);
1530         if (wp.wpcost > cost2)
1531         {
1532                 wp.wpcost = cost2;
1533                 wp.enemy = w;
1534                 wp.wpfire = 1;
1535                 wp.wpnearestpoint = v;
1536         }
1537 };
1538
1539 // queries the entire spawnfunc_waypoint network for pathes leading away from the bot
1540 void navigation_markroutes()
1541 {
1542         local entity w, wp, waylist;
1543         local float searching, cost, cost2;
1544         local vector p;
1545         w = waylist = findchain(classname, "waypoint");
1546         while (w)
1547         {
1548                 w.wpconsidered = FALSE;
1549                 w.wpnearestpoint = '0 0 0';
1550                 w.wpcost = 10000000;
1551                 w.wpfire = 0;
1552                 w.enemy = world;
1553                 w = w.chain;
1554         }
1555
1556         // try a short range search for the nearest waypoints, and expand the search repeatedly if none are found
1557         // as this search is expensive we will use lower values if the bot is on the air
1558         local float i, increment, maxdistance;
1559         if(self.flags & FL_ONGROUND)
1560         {
1561                 increment = 750;
1562                 maxdistance = 50000;
1563         }
1564         else
1565         {
1566                 increment = 500;
1567                 maxdistance = 1500;
1568         }
1569
1570         for(i=increment;!navigation_markroutes_nearestwaypoints(waylist, i)&&i<maxdistance;i+=increment);
1571
1572         searching = TRUE;
1573         while (searching)
1574         {
1575                 searching = FALSE;
1576                 w = waylist;
1577                 while (w)
1578                 {
1579                         if (w.wpfire)
1580                         {
1581                                 searching = TRUE;
1582                                 w.wpfire = 0;
1583                                 cost = w.wpcost;
1584                                 p = w.wpnearestpoint;
1585                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1586                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1587                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1588                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1589                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1590                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1591                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1592                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1593                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1594                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1595                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1596                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1597                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1598                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1599                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1600                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1601                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1602                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1603                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1604                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1605                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1606                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1607                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1608                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1609                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1610                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1611                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1612                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1613                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1614                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1615                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1616                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1617                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1618                         }
1619                         w = w.chain;
1620                 }
1621         }
1622 };
1623
1624 void navigation_bestgoals_reset()
1625 {
1626         local float i;
1627
1628         bestgoalswindex = 0;
1629         bestgoalsrindex = 0;
1630
1631         for(i=0;i>MAX_BESTGOALS-1;++i)
1632         {
1633                 navigation_bestgoals[i] = world;
1634         }
1635 }
1636
1637 void navigation_add_bestgoal(entity goal)
1638 {
1639         local float i;
1640
1641         if(bestgoalsrindex>0)
1642         {
1643                 ++bestgoalsrindex;
1644
1645                 if(bestgoalsrindex==MAX_BESTGOALS)
1646                         bestgoalsrindex = 0;
1647         }
1648
1649         if(bestgoalswindex==MAX_BESTGOALS)
1650         {
1651                 bestgoalswindex=0;
1652                 if(bestgoalsrindex==0)
1653                         bestgoalsrindex=1;
1654         }
1655
1656         navigation_bestgoals[bestgoalswindex] = goal;
1657
1658         ++bestgoalswindex;
1659 }
1660
1661 entity navigation_get_bestgoal()
1662 {
1663         local float i;
1664         local entity ent;
1665
1666         ent = navigation_bestgoals[bestgoalsrindex];
1667         navigation_bestgoals[bestgoalsrindex] = world;
1668
1669         ++bestgoalsrindex;
1670
1671         if(bestgoalsrindex==MAX_BESTGOALS)
1672                 bestgoalsrindex = 0;
1673
1674         return ent;
1675 }
1676
1677 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1678 .void() havocbot_role;
1679 void() havocbot_role_ctf_offense;
1680 void navigation_routerating(entity e, float f, float rangebias)
1681 {
1682         if (!e)
1683                 return;
1684         //te_wizspike(e.origin);
1685         //bprint(etos(e));
1686         //bprint("\n");
1687         // update the cached spawnfunc_waypoint link on a dynamic item entity
1688         if (time > e.nearestwaypointtimeout)
1689         {
1690                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1691                 e.nearestwaypointtimeout = time + random() * 3 + 5;
1692         }
1693         //dprint(e.classname, " ", ftos(f));
1694         //dprint("-- checking ", e.classname, " (with cost ", ftos(e.nearestwaypoint.wpcost), ")\n");
1695         if (e.nearestwaypoint)
1696         if (e.nearestwaypoint.wpcost < 10000000)
1697         {
1698                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1699                 //dprint(e.classname, " ", ftos(f), "/(1+", ftos((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint))), "/", ftos(rangebias), ") = ");
1700                 f = f * rangebias / (rangebias + (e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)));
1701                 //if (self.havocbot_role == havocbot_role_ctf_offense)
1702                 //      dprint("-- considering ", e.classname, " (with rating ", ftos(f), ")\n");
1703                 //dprint(ftos(f));
1704                 if (navigation_bestrating < f)
1705                 {
1706                         navigation_bestrating = f;
1707                         navigation_add_bestgoal(e);
1708                 }
1709         }
1710         //dprint("\n");
1711 };
1712
1713 // adds an item to the the goal stack with the path to a given item
1714 float navigation_routetogoal(entity e, vector startposition)
1715 {
1716         self.goalentity = e;
1717
1718         // if there is no goal, just exit
1719         if (!e)
1720                 return FALSE;
1721
1722         self.navigation_hasgoals = TRUE;
1723
1724         // put the entity on the goal stack
1725         navigation_pushroute(e);
1726
1727         // if it can reach the goal there is nothing more to do
1728         if (tracewalk(self, startposition, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1729                 return TRUE;
1730
1731         // see if there are waypoints describing a path to the item
1732         e = e.nearestwaypoint;
1733         if(e == world)
1734                 return FALSE;
1735
1736         for (;;)
1737         {
1738                 // add the spawnfunc_waypoint to the path
1739                 navigation_pushroute(e);
1740                 e = e.enemy;
1741
1742                 if(e==world)
1743                         break;
1744         }
1745
1746         return FALSE;
1747 };
1748
1749 void navigation_routetogoals()
1750 {
1751         entity g1, g2;
1752
1753         navigation_clearroute();
1754
1755         g1 = navigation_get_bestgoal();
1756         for(;;)
1757         {
1758                 if(g2==world)
1759                         g2 = navigation_get_bestgoal();
1760
1761                 if(g2==world)
1762                 {
1763                         navigation_routetogoal(g1, self.origin);
1764                         return;
1765                 }
1766
1767                 if(navigation_routetogoal(g1, g2.origin))
1768                 {
1769                         g1 = g2;
1770                         g2 = world;
1771                         continue;
1772                 }
1773
1774                 navigation_clearroute();
1775                 g1 = g2;
1776                 g2 = world;
1777         }
1778 }
1779
1780 // removes any currently touching waypoints from the goal stack
1781 // (this is how bots detect if they have reached a goal)
1782 .float lastteleporttime;
1783
1784 void navigation_poptouchedgoals()
1785 {
1786         local vector org, m1, m2;
1787         org = self.origin;
1788         m1 = org + self.mins;
1789         m2 = org + self.maxs;
1790
1791         if(self.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
1792         {
1793                 if(self.lastteleporttime>0)
1794                 if(time-self.lastteleporttime<0.2)
1795                 {
1796                         navigation_poproute();
1797                         return;
1798                 }
1799         }
1800
1801         // Loose goal touching check when running
1802         if(self.aistatus & AI_STATUS_RUNNING)
1803         if(self.goalcurrent.classname=="waypoint")
1804         {
1805                 if(vlen(self.origin - self.goalcurrent.origin)<150)
1806                 {
1807                         traceline(self.origin + self.view_ofs , self.goalcurrent.origin, TRUE, world);
1808                         if(trace_fraction==1)
1809                                 navigation_poproute();
1810                 }
1811         }
1812
1813         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1814                 navigation_poproute();
1815 }
1816
1817 // begin a goal selection session (queries spawnfunc_waypoint network)
1818 void navigation_goalrating_start()
1819 {
1820         navigation_bestrating = -1;
1821         self.navigation_hasgoals = FALSE;
1822         navigation_bestgoals_reset();
1823         navigation_markroutes();
1824 };
1825
1826 // ends a goal selection session (updates goal stack to the best goal)
1827 void navigation_goalrating_end()
1828 {
1829         navigation_routetogoals();
1830 };
1831
1832
1833 //////////////////////////////////////////////////////////////////////////////
1834 // general bot functions
1835 //////////////////////////////////////////////////////////////////////////////
1836
1837 .float isbot; // true if this client is actually a bot
1838
1839 float skill;
1840 entity bot_list;
1841 .entity nextbot;
1842 .string netname_freeme;
1843
1844 float sv_maxspeed;
1845 .float createdtime;
1846
1847 .float bot_preferredcolors;
1848
1849 .float bot_attack;
1850 .float bot_dodge;
1851 .float bot_dodgerating;
1852
1853 //.float bot_painintensity;
1854 .float bot_firetimer;
1855 //.float bot_oldhealth;
1856 .void() bot_ai;
1857
1858 .entity bot_aimtarg;
1859 .float bot_aimlatency;
1860 .vector bot_aimselforigin;
1861 .vector bot_aimselfvelocity;
1862 .vector bot_aimtargorigin;
1863 .vector bot_aimtargvelocity;
1864
1865 .float bot_pickup;
1866 .float(entity player, entity item) bot_pickupevalfunc;
1867 .float bot_pickupbasevalue;
1868 .float bot_canfire;
1869 .float bot_strategytime;
1870
1871 // used for aiming currently
1872 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1873 vector shotorg;
1874 vector shotdir;
1875
1876 const float BOTSKINS = 19;
1877 const float BOTNAMES = 32;
1878 string bot_namefornumber(float r)
1879 {
1880         if (r <  1) return "Thunderstorm";
1881         if (r <  2) return "Darkness";
1882         if (r <  3) return "Scorcher";
1883         if (r <  4) return "Paranoia";
1884         if (r <  5) return "Eureka";
1885         if (r <  6) return "Mystery";
1886         if (r <  7) return "Toxic";
1887         if (r <  8) return "Dominion";
1888         if (r <  9) return "Pegasus";
1889         if (r < 10) return "Sensible";
1890         if (r < 11) return "Gator";
1891         if (r < 12) return "Kangaroo";
1892         if (r < 13) return "Deadline";
1893         if (r < 14) return "Frosty";
1894         if (r < 15) return "Roadkill";
1895         if (r < 16) return "Death";
1896         if (r < 17) return "Panic";
1897         if (r < 18) return "Discovery";
1898         if (r < 19) return "Shadow";
1899         if (r < 20) return "Acidic";
1900         if (r < 21) return "Dominator";
1901         if (r < 22) return "Hellfire";
1902         if (r < 23) return "Necrotic";
1903         if (r < 24) return "Newbie";
1904         if (r < 25) return "Spellbinder";
1905         if (r < 26) return "Lion";
1906         if (r < 27) return "Controlled";
1907         if (r < 28) return "Airhead";
1908         if (r < 29) return "Delirium";
1909         if (r < 30) return "Resurrection";
1910         if (r < 31) return "Danger";
1911         return "Flatline";
1912 };
1913
1914 string bot_skinfornumber(float r)
1915 {
1916              if (r <  1) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "0";return "Carni"          ;}
1917         else if (r <  2) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "1";return "Armored Carni"  ;}
1918         else if (r <  3) {self.playermodel = "models/player/crash.zym"          ;self.playerskin = "0";return "Quark"          ;}
1919         else if (r <  4) {self.playermodel = "models/player/grunt.zym"          ;self.playerskin = "0";return "Grunt"          ;}
1920         else if (r <  5) {self.playermodel = "models/player/headhunter.zym"     ;self.playerskin = "0";return "HeadHunter"     ;}
1921         else if (r <  6) {self.playermodel = "models/player/insurrectionist.zym";self.playerskin = "0";return "Insurrectionist";}
1922         else if (r <  7) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "0";return "Lurk"           ;}
1923         else if (r <  8) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "1";return "Reptile"        ;}
1924         else if (r <  9) {self.playermodel = "models/player/lycanthrope.zym"    ;self.playerskin = "0";return "Lycanthrope"    ;}
1925         else if (r < 10) {self.playermodel = "models/player/marine.zym"         ;self.playerskin = "0";return "Marine"         ;}
1926         else if (r < 11) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "0";return "Nexus"          ;}
1927         else if (r < 12) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "1";return "Mulder"         ;}
1928         else if (r < 13) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "2";return "Xolar"          ;}
1929         else if (r < 14) {self.playermodel = "models/player/pyria.zym"          ;self.playerskin = "0";return "Pyria"          ;}
1930         else if (r < 15) {self.playermodel = "models/player/shock.zym"          ;self.playerskin = "0";return "Shock"          ;}
1931         else if (r < 16) {self.playermodel = "models/player/skadi.zym"          ;self.playerskin = "0";return "Skadi"          ;}
1932         else if (r < 17) {self.playermodel = "models/player/specop.zym"         ;self.playerskin = "0";return "Specop"         ;}
1933         else             {self.playermodel = "models/player/visitant.zym"       ;self.playerskin = "0";return "Fricka"         ;}
1934 };
1935
1936 void bot_setnameandstuff()
1937 {
1938         local string name, prefix, suffix;
1939         local float r, b, shirt, pants;
1940
1941         prefix = cvar_string("bot_prefix");
1942         suffix = cvar_string("bot_suffix");
1943
1944         // this is really only a default, JoinBestTeam is called later
1945         pants = floor(random() * 15);
1946         shirt = floor(random() * 15);
1947         //shirt = pants;
1948         setcolor(self, shirt * 16 + pants);
1949         self.bot_preferredcolors = self.clientcolors;
1950
1951         // now pick a name...
1952
1953         if (cvar("bot_usemodelnames"))
1954         {
1955                 // first see if all skins are taken
1956                 b = 0;
1957                 do
1958                 {
1959                         name = bot_skinfornumber(b);
1960                         b = b + 1;
1961                 }
1962                 while (b < BOTSKINS && find(world, netname, name));
1963
1964                 // randomly pick a skin, if it's taken either repeat until we find one,
1965                 // or give up if we already know all skins are taken
1966                 do
1967                 {
1968                         r = floor(random() * BOTSKINS);
1969                         name = bot_skinfornumber(r);
1970                 }
1971                 while (b < BOTSKINS && find(world, netname, name));
1972         }
1973         else
1974         {
1975                 // first see if all names are taken
1976                 b = 0;
1977                 do
1978                 {
1979                         name = bot_namefornumber(b);
1980                         b = b + 1;
1981                 }
1982                 while (b < BOTNAMES && find(world, netname, name));
1983
1984                 // randomly pick a name, if it's taken either repeat until we find one,
1985                 // or give up if we already know all names are taken
1986                 do
1987                 {
1988                         r = floor(random() * BOTNAMES);
1989                         name = bot_namefornumber(r);
1990                 }
1991                 while (b < BOTNAMES && find(world, netname, name));
1992
1993                 // randomly pick a skin
1994                 bot_skinfornumber(floor(random() * BOTSKINS));
1995         }
1996         if(!cvar("g_campaign"))
1997                 self.netname = self.netname_freeme = strzone(strcat(prefix, name, suffix));
1998         else
1999                 self.netname = name;
2000 };
2001
2002 float bot_custom_weapon;
2003 float bot_distance_far;
2004 float bot_distance_close;
2005
2006 float bot_weapons_far[WEP_LAST];
2007 float bot_weapons_mid[WEP_LAST];
2008 float bot_weapons_close[WEP_LAST];
2009
2010 void bot_custom_weapon_priority_setup()
2011 {
2012         local float tokens, i, c, w;
2013
2014         bot_custom_weapon = FALSE;
2015
2016         if(     cvar_string("bot_ai_custom_weapon_priority_far") == "" ||
2017                 cvar_string("bot_ai_custom_weapon_priority_mid") == "" ||
2018                 cvar_string("bot_ai_custom_weapon_priority_close") == "" ||
2019                 cvar_string("bot_ai_custom_weapon_priority_distances") == ""
2020         )
2021                 return;
2022
2023         // Parse distances
2024         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_distances")," ");
2025
2026         if (tokens!=2)
2027                 return;
2028
2029         bot_distance_far = stof(argv(0));
2030         bot_distance_close = stof(argv(1));
2031
2032         if(bot_distance_far < bot_distance_close){
2033                 bot_distance_far = stof(argv(1));
2034                 bot_distance_close = stof(argv(0));
2035         }
2036
2037         // Initialize list of weapons
2038         bot_weapons_far[0] = -1;
2039         bot_weapons_mid[0] = -1;
2040         bot_weapons_close[0] = -1;
2041
2042         // Parse far distance weapon priorities
2043         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_far")," ");
2044
2045         c = 0;
2046         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2047                 w = stof(argv(i));
2048                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2049                         bot_weapons_far[c] = w;
2050                         ++c;
2051                 }
2052         }
2053         if(c < WEP_COUNT)
2054                 bot_weapons_far[c] = -1;
2055
2056         // Parse mid distance weapon priorities
2057         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_mid")," ");
2058
2059         c = 0;
2060         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2061                 w = stof(argv(i));
2062                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2063                         bot_weapons_mid[c] = w;
2064                         ++c;
2065                 }
2066         }
2067         if(c < WEP_COUNT)
2068                 bot_weapons_mid[c] = -1;
2069
2070         // Parse close distance weapon priorities
2071         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_close")," ");
2072
2073         c = 0;
2074         for(i=0; i < tokens && i < WEP_COUNT; ++i){
2075                 w = stof(argv(i));
2076                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2077                         bot_weapons_close[c] = w;
2078                         ++c;
2079                 }
2080         }
2081         if(c < WEP_COUNT)
2082                 bot_weapons_close[c] = -1;
2083
2084         bot_custom_weapon = TRUE;
2085 };
2086
2087
2088 void bot_endgame()
2089 {
2090         local entity e;
2091         //dprint("bot_endgame\n");
2092         e = bot_list;
2093         while (e)
2094         {
2095                 setcolor(e, e.bot_preferredcolors);
2096                 e = e.nextbot;
2097         }
2098         // if dynamic waypoints are ever implemented, save them here
2099 };
2100
2101 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
2102 float bot_shouldattack(entity e)
2103 {
2104         if (e.team == self.team)
2105         {
2106                 if (e == self)
2107                         return FALSE;
2108                 if (teams_matter)
2109                 if (e.team != 0)
2110                         return FALSE;
2111         }
2112         if(!teams_matter)
2113                 if(bot_ignore_bots)
2114                         if(clienttype(e) == CLIENTTYPE_BOT)
2115                                 return FALSE;
2116         if (!e.takedamage)
2117                 return FALSE;
2118         if (e.deadflag)
2119                 return FALSE;
2120         if (e.BUTTON_CHAT)
2121                 return FALSE;
2122         if(g_minstagib)
2123         if(e.items & IT_STRENGTH)
2124                 return FALSE;
2125         if(e.flags & FL_NOTARGET)
2126                 return FALSE;
2127         return TRUE;
2128 };
2129
2130 void bot_lagfunc(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
2131 {
2132         if(self.flags & FL_INWATER)
2133         {
2134                 self.bot_aimtarg = world;
2135                 return;
2136         }
2137         self.bot_aimtarg = e1;
2138         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
2139         self.bot_aimselforigin = v1;
2140         self.bot_aimselfvelocity = v2;
2141         self.bot_aimtargorigin = v3;
2142         self.bot_aimtargvelocity = v4;
2143         if(skill <= 0)
2144                 self.bot_canfire = (random() < 0.8);
2145         else if(skill <= 1)
2146                 self.bot_canfire = (random() < 0.9);
2147         else if(skill <= 2)
2148                 self.bot_canfire = (random() < 0.95);
2149         else
2150                 self.bot_canfire = 1;
2151 };
2152
2153 .float bot_nextthink;
2154 .float bot_badaimtime;
2155 .float bot_aimthinktime;
2156 .float bot_prevaimtime;
2157 .vector bot_mouseaim;
2158 .vector bot_badaimoffset;
2159 .vector bot_1st_order_aimfilter;
2160 .vector bot_2nd_order_aimfilter;
2161 .vector bot_3th_order_aimfilter;
2162 .vector bot_4th_order_aimfilter;
2163 .vector bot_5th_order_aimfilter;
2164 .vector bot_olddesiredang;
2165 float bot_aimdir(vector v, float maxfiredeviation)
2166 {
2167         local float dist, delta_t, blend;
2168         local vector desiredang, diffang;
2169
2170         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
2171         // make sure v_angle is sane first
2172         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2173         self.v_angle_z = 0;
2174
2175         // get the desired angles to aim at
2176         //dprint(" at:", vtos(v));
2177         v = normalize(v);
2178         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
2179         if (time >= self.bot_badaimtime)
2180         {
2181                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
2182                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5) * cvar("bot_ai_aimskill_offset");
2183         }
2184         desiredang = vectoangles(v) + self.bot_badaimoffset;
2185         //dprint(" desired:", vtos(desiredang));
2186         if (desiredang_x >= 180)
2187                 desiredang_x = desiredang_x - 360;
2188         desiredang_x = bound(-90, 0 - desiredang_x, 90);
2189         desiredang_z = self.v_angle_z;
2190         //dprint(" / ", vtos(desiredang));
2191
2192         //// pain throws off aim
2193         //if (self.bot_painintensity)
2194         //{
2195         //      // shake from pain
2196         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
2197         //}
2198
2199         // calculate turn angles
2200         diffang = (desiredang - self.bot_olddesiredang);
2201         // wrap yaw turn
2202         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2203         if (diffang_y >= 180)
2204                 diffang_y = diffang_y - 360;
2205         self.bot_olddesiredang = desiredang;
2206         //dprint(" diff:", vtos(diffang));
2207
2208         delta_t = time-self.bot_prevaimtime;
2209         self.bot_prevaimtime = time;
2210         // Here we will try to anticipate the comming aiming direction
2211         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
2212                 + (diffang * (1 / delta_t)    - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
2213         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
2214                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
2215         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
2216                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
2217         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
2218                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
2219         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
2220                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
2221
2222         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
2223         blend = bound(0,skill,10)*0.1;
2224         desiredang = desiredang + blend *
2225         (
2226                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
2227                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
2228                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
2229                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
2230                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
2231         );
2232
2233         // calculate turn angles
2234         diffang = desiredang - self.bot_mouseaim;
2235         // wrap yaw turn
2236         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2237         if (diffang_y >= 180)
2238                 diffang_y = diffang_y - 360;
2239         //dprint(" diff:", vtos(diffang));
2240
2241         if (time >= self.bot_aimthinktime)
2242         {
2243                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
2244                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
2245         }
2246
2247         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2248
2249         diffang = self.bot_mouseaim - desiredang;
2250         // wrap yaw turn
2251         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2252         if (diffang_y >= 180)
2253                 diffang_y = diffang_y - 360;
2254         desiredang = desiredang + diffang * bound(0,cvar("bot_ai_aimskill_think"),1);
2255
2256         // calculate turn angles
2257         diffang = desiredang - self.v_angle;
2258         // wrap yaw turn
2259         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2260         if (diffang_y >= 180)
2261                 diffang_y = diffang_y - 360;
2262         //dprint(" diff:", vtos(diffang));
2263
2264         // jitter tracking
2265         dist = vlen(diffang);
2266         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
2267
2268         // turn
2269         local float r, fixedrate, blendrate;
2270         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
2271         blendrate = cvar("bot_ai_aimskill_blendrate");
2272         r = max(fixedrate, blendrate);
2273         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
2274         self.v_angle = self.v_angle + diffang * bound(delta_t, r * delta_t * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
2275         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
2276         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2277         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
2278         self.v_angle_z = 0;
2279         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2280         //dprint(" turn:", vtos(self.v_angle));
2281
2282         makevectors(self.v_angle);
2283         shotorg = self.origin + self.view_ofs;
2284         shotdir = v_forward;
2285
2286         //dprint(" dir:", vtos(v_forward));
2287         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
2288
2289         // calculate turn angles again
2290         //diffang = desiredang - self.v_angle;
2291         //diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2292         //if (diffang_y >= 180)
2293         //      diffang_y = diffang_y - 360;
2294
2295         //dprint("e ", vtos(diffang), " < ", ftos(maxfiredeviation), "\n");
2296
2297         // decide whether to fire this time
2298         // note the maxfiredeviation is in degrees so this has to convert to radians first
2299         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2300         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2301         if (vlen(trace_endpos-shotorg) < 500+500*bound(0, skill, 10) || random()*random()>bound(0,skill*0.05,1))
2302                 self.bot_firetimer = time + bound(0.1, 0.5-skill*0.05, 0.5);
2303         //traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
2304         //dprint(ftos(maxfiredeviation),"\n");
2305         //dprint(" diff:", vtos(diffang), "\n");
2306
2307         return self.bot_canfire && (time < self.bot_firetimer);
2308 };
2309
2310 vector bot_shotlead(vector targorigin, vector targvelocity, float shotspeed, float shotdelay)
2311 {
2312         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
2313         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
2314 };
2315
2316 float bot_aim(float shotspeed, float shotspeedupward, float maxshottime, float applygravity)
2317 {
2318         local float f, r;
2319         local vector v;
2320         /*
2321         eprint(self);
2322         dprint("bot_aim(", ftos(shotspeed));
2323         dprint(", ", ftos(shotspeedupward));
2324         dprint(", ", ftos(maxshottime));
2325         dprint(", ", ftos(applygravity));
2326         dprint(");\n");
2327         */
2328         if (!shotspeed)
2329         {
2330                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
2331                 shotspeed = 1000000;
2332         }
2333         if (!maxshottime)
2334         {
2335                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
2336                 maxshottime = 1;
2337         }
2338         makevectors(self.v_angle);
2339         shotorg = self.origin + self.view_ofs;
2340         shotdir = v_forward;
2341         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
2342         local float distanceratio;
2343         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
2344         distanceratio = bound(0,distanceratio,1);
2345         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
2346                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
2347         if (applygravity && self.bot_aimtarg)
2348         {
2349                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
2350                         return FALSE;
2351                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
2352         }
2353         else
2354         {
2355                 f = bot_aimdir(v - shotorg, r);
2356                 //dprint("AIM: ");dprint(vtos(self.bot_aimtargorigin));dprint(" + ");dprint(vtos(self.bot_aimtargvelocity));dprint(" * ");dprint(ftos(self.bot_aimlatency + vlen(self.bot_aimtargorigin - shotorg) / shotspeed));dprint(" = ");dprint(vtos(v));dprint(" : aimdir = ");dprint(vtos(normalize(v - shotorg)));dprint(" : ");dprint(vtos(shotdir));dprint("\n");
2357                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
2358                 if (trace_ent.takedamage)
2359                 if (trace_fraction < 1)
2360                 if (!bot_shouldattack(trace_ent))
2361                         return FALSE;
2362                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
2363                 if (trace_fraction < 1)
2364                 if (trace_ent != self.enemy)
2365                 if (!bot_shouldattack(trace_ent))
2366                         return FALSE;
2367         }
2368         if (r > maxshottime * shotspeed)
2369                 return FALSE;
2370         return f;
2371 };
2372
2373 // TODO: move this painintensity code to the player damage code
2374 void bot_think()
2375 {
2376         if (self.bot_nextthink > time)
2377                 return;
2378         self.bot_nextthink = self.bot_nextthink + cvar("bot_ai_thinkinterval");
2379         //if (self.bot_painintensity > 0)
2380         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
2381
2382         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
2383         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
2384
2385         if(time < game_starttime || ((cvar("g_campaign") && !campaign_bots_may_start)))
2386         {
2387                 self.nextthink = time + 0.5;
2388                 return;
2389         }
2390
2391         if (self.fixangle)
2392         {
2393                 self.v_angle = self.angles;
2394                 self.v_angle_z = 0;
2395                 self.fixangle = FALSE;
2396         }
2397
2398         self.dmg_take = 0;
2399         self.dmg_save = 0;
2400         self.dmg_inflictor = world;
2401
2402         // calculate an aiming latency based on the skill setting
2403         // (simulated network latency + naturally delayed reflexes)
2404         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
2405         // minimum ping 20+10 random
2406         self.ping = bound(0,0.07 - bound(0, skill * 0.005,0.05)+random()*0.01,0.65); // Now holds real lag to server, and higer skill players take a less laggy server
2407         // skill 10 = ping 0.2 (adrenaline)
2408         // skill 0 = ping 0.7 (slightly drunk)
2409
2410         // clear buttons
2411         self.BUTTON_ATCK = 0;
2412         self.button1 = 0;
2413         self.BUTTON_JUMP = 0;
2414         self.BUTTON_ATCK2 = 0;
2415         self.BUTTON_ZOOM = 0;
2416         self.BUTTON_CROUCH = 0;
2417         self.BUTTON_HOOK = 0;
2418         self.BUTTON_INFO = 0;
2419         self.button8 = 0;
2420         self.BUTTON_CHAT = 0;
2421         self.BUTTON_USE = 0;
2422
2423         // if dead, just wait until we can respawn
2424         if (self.deadflag)
2425         {
2426                 if (self.deadflag == DEAD_DEAD)
2427                 {
2428                         self.BUTTON_JUMP = 1; // press jump to respawn
2429                         self.bot_strategytime = 0;
2430                 }
2431                 return;
2432         }
2433
2434         // now call the current bot AI (havocbot for example)
2435         self.bot_ai();
2436 };
2437
2438 entity bot_strategytoken;
2439 float bot_strategytoken_taken;
2440 entity player_list;
2441 .entity nextplayer;
2442 void bot_relinkplayerlist()
2443 {
2444         local entity e;
2445         local entity prevbot;
2446         player_count = 0;
2447         currentbots = 0;
2448         player_list = e = findchainflags(flags, FL_CLIENT);
2449         bot_list = world;
2450         prevbot = world;
2451         while (e)
2452         {
2453                 player_count = player_count + 1;
2454                 e.nextplayer = e.chain;
2455                 if (clienttype(e) == CLIENTTYPE_BOT)
2456                 {
2457                         if (prevbot)
2458                                 prevbot.nextbot = e;
2459                         else
2460                                 bot_list = e;
2461                         prevbot = e;
2462                         currentbots = currentbots + 1;
2463                 }
2464                 e = e.chain;
2465         }
2466         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
2467         bot_strategytoken = bot_list;
2468         bot_strategytoken_taken = TRUE;
2469 };
2470
2471 void() havocbot_setupbot;
2472 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam);
2473
2474 void bot_clientdisconnect()
2475 {
2476         if (clienttype(self) != CLIENTTYPE_BOT)
2477                 return;
2478         if(self.netname_freeme)
2479                 strunzone(self.netname_freeme);
2480         self.netname_freeme = string_null;
2481 }
2482
2483 void bot_clientconnect()
2484 {
2485         if (clienttype(self) != CLIENTTYPE_BOT)
2486                 return;
2487         self.bot_preferredcolors = self.clientcolors;
2488         self.bot_nextthink = time - random();
2489         self.lag_func = bot_lagfunc;
2490         self.isbot = TRUE;
2491         self.createdtime = self.nextthink;
2492         JoinBestTeam(self, FALSE, TRUE);
2493         havocbot_setupbot();
2494         self.bot_mouseskill=random()-0.5;
2495         self.bot_thinkskill=random()-0.5;
2496         self.bot_predictionskill=random()-0.5;
2497         self.bot_offsetskill=random()-0.5;
2498 };
2499
2500 entity bot_spawn()
2501 {
2502         local entity oldself, bot;
2503         bot = spawnclient();
2504         if (bot)
2505         {
2506                 currentbots = currentbots + 1;
2507                 oldself = self;
2508                 self = bot;
2509                 bot_setnameandstuff();
2510                 ClientConnect();
2511                 PutClientInServer();
2512                 self = oldself;
2513         }
2514         return bot;
2515 };
2516
2517 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
2518 void bot_removefromlargestteam()
2519 {
2520         local float besttime, bestcount, thiscount;
2521         local entity best, head;
2522         CheckAllowedTeams(world);
2523         GetTeamCounts(world);
2524         head = findchainfloat(isbot, TRUE);
2525         if (!head)
2526                 return;
2527         best = head;
2528         besttime = head.createdtime;
2529         bestcount = 0;
2530         while (head)
2531         {
2532                 if(head.team == COLOR_TEAM1)
2533                         thiscount = c1;
2534                 else if(head.team == COLOR_TEAM2)
2535                         thiscount = c2;
2536                 else if(head.team == COLOR_TEAM3)
2537                         thiscount = c3;
2538                 else if(head.team == COLOR_TEAM4)
2539                         thiscount = c4;
2540                 else
2541                         thiscount = 0;
2542                 if (thiscount > bestcount)
2543                 {
2544                         bestcount = thiscount;
2545                         besttime = head.createdtime;
2546                         best = head;
2547                 }
2548                 else if (thiscount == bestcount && besttime < head.createdtime)
2549                 {
2550                         besttime = head.createdtime;
2551                         best = head;
2552                 }
2553                 head = head.chain;
2554         }
2555         currentbots = currentbots - 1;
2556         dropclient(best);
2557 };
2558
2559 void bot_removenewest()
2560 {
2561         local float besttime;
2562         local entity best, head;
2563
2564         if(teams_matter)
2565         {
2566                 bot_removefromlargestteam();
2567                 return;
2568         }
2569
2570         head = findchainfloat(isbot, TRUE);
2571         if (!head)
2572                 return;
2573         best = head;
2574         besttime = head.createdtime;
2575         while (head)
2576         {
2577                 if (besttime < head.createdtime)
2578                 {
2579                         besttime = head.createdtime;
2580                         best = head;
2581                 }
2582                 head = head.chain;
2583         }
2584         currentbots = currentbots - 1;
2585         dropclient(best);
2586 };
2587
2588 float botframe_waypointeditorlightningtime;
2589 void botframe_showwaypointlinks()
2590 {
2591         local entity player, head, w;
2592         if (time < botframe_waypointeditorlightningtime)
2593                 return;
2594         botframe_waypointeditorlightningtime = time + 0.5;
2595         player = find(world, classname, "player");
2596         while (player)
2597         {
2598                 if (!player.isbot)
2599                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
2600                 {
2601                         //navigation_testtracewalk = TRUE;
2602                         head = navigation_findnearestwaypoint(player, FALSE);
2603                         //navigation_testtracewalk = FALSE;
2604                         if (head)
2605                         {
2606                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
2607                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
2608                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
2609                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
2610                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
2611                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
2612                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2613                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2614                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2615                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2616                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2617                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2618                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2619                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2620                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2621                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2622                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2623                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2624                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2625                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2626                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2627                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2628                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2629                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2630                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2631                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2632                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2633                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2634                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2635                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2636                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2637                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2638                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2639                         }
2640                 }
2641                 player = find(player, classname, "player");
2642         }
2643 };
2644
2645 entity botframe_dangerwaypoint;
2646 void botframe_updatedangerousobjects(float maxupdate)
2647 {
2648         local entity head, bot_dodgelist;
2649         local vector m1, m2, v;
2650         local float c, d, danger;
2651         c = 0;
2652         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2653         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2654         while (botframe_dangerwaypoint != world)
2655         {
2656                 danger = 0;
2657                 m1 = botframe_dangerwaypoint.mins;
2658                 m2 = botframe_dangerwaypoint.maxs;
2659                 head = bot_dodgelist;
2660                 while (head)
2661                 {
2662                         v = head.origin;
2663                         v_x = bound(m1_x, v_x, m2_x);
2664                         v_y = bound(m1_y, v_y, m2_y);
2665                         v_z = bound(m1_z, v_z, m2_z);
2666                         d = head.bot_dodgerating - vlen(head.origin - v);
2667                         if (d > 0)
2668                         {
2669                                 traceline(head.origin, v, TRUE, world);
2670                                 if (trace_fraction == 1)
2671                                         danger = danger + d;
2672                         }
2673                         head = head.chain;
2674                 }
2675                 botframe_dangerwaypoint.dmg = danger;
2676                 c = c + 1;
2677                 if (c >= maxupdate)
2678                         break;
2679                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2680         }
2681 };
2682
2683
2684 float botframe_spawnedwaypoints;
2685 float botframe_nextthink;
2686 float botframe_nextdangertime;
2687
2688 float autoskill_nextthink;
2689 .float totalfrags_lastcheck;
2690 void autoskill(float factor)
2691 {
2692         float bestbot;
2693         float bestplayer;
2694         entity head;
2695
2696         bestbot = -1;
2697         bestplayer = -1;
2698         FOR_EACH_PLAYER(head)
2699         {
2700                 if(clienttype(head) == CLIENTTYPE_REAL)
2701                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2702                 else
2703                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2704         }
2705
2706         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2707         dprint("best bot got ", ftos(bestbot), "; ");
2708         if(bestbot < 0 || bestplayer < 0)
2709         {
2710                 dprint("not doing anything\n");
2711                 // don't return, let it reset all counters below
2712         }
2713         else if(bestbot <= bestplayer * factor - 2)
2714         {
2715                 if(cvar("skill") < 17)
2716                 {
2717                         dprint("2 frags difference, increasing skill\n");
2718                         cvar_set("skill", ftos(cvar("skill") + 1));
2719                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2720                 }
2721         }
2722         else if(bestbot >= bestplayer * factor + 2)
2723         {
2724                 if(cvar("skill") > 0)
2725                 {
2726                         dprint("2 frags difference, decreasing skill\n");
2727                         cvar_set("skill", ftos(cvar("skill") - 1));
2728                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2729                 }
2730         }
2731         else
2732         {
2733                 dprint("not doing anything\n");
2734                 return;
2735                 // don't reset counters, wait for them to accumulate
2736         }
2737
2738         FOR_EACH_PLAYER(head)
2739                 head.totalfrags_lastcheck = head.totalfrags;
2740 }
2741
2742 float bot_cvar_nextthink;
2743 void bot_serverframe()
2744 {
2745         float realplayers, bots, activerealplayers;
2746         entity head;
2747
2748         if (intermission_running)
2749                 return;
2750
2751         if (time < 2)
2752                 return;
2753
2754         if(time > autoskill_nextthink)
2755         {
2756                 float a;
2757                 a = cvar("skill_auto");
2758                 if(a)
2759                         autoskill(a);
2760                 autoskill_nextthink = time + 5;
2761         }
2762
2763         activerealplayers = 0;
2764         realplayers = 0;
2765
2766         FOR_EACH_REALCLIENT(head)
2767         {
2768                 if(head.classname == "player" || g_lms || g_arena)
2769                         ++activerealplayers;
2770                 ++realplayers;
2771         }
2772
2773         // add/remove bots if needed to make sure there are at least
2774         // minplayers+bot_number, or remove all bots if no one is playing
2775         // But don't remove bots immediately on level change, as the real players
2776         // usually haven't rejoined yet
2777         bots_would_leave = FALSE;
2778         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2779         {
2780                 float realminplayers, minplayers;
2781                 realminplayers = cvar("minplayers");
2782                 minplayers = max(0, floor(realminplayers));
2783
2784                 float realminbots, minbots;
2785                 if(cvar("bot_vs_human"))
2786                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2787                 else
2788                         realminbots = cvar("bot_number");
2789                 minbots = max(0, floor(realminbots));
2790
2791                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2792                 if(bots > minbots)
2793                         bots_would_leave = TRUE;
2794         }
2795         else
2796         {
2797                 // if there are no players, remove bots
2798                 bots = 0;
2799         }
2800
2801         bot_ignore_bots = cvar("bot_ignore_bots");
2802
2803         // only add one bot per frame to avoid utter chaos
2804         if(time > botframe_nextthink)
2805         {
2806                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2807                 while (currentbots < bots)
2808                 {
2809                         if (bot_spawn() == world)
2810                         {
2811                                 bprint("Can not add bot, server full.\n");
2812                                 botframe_nextthink = time + 10;
2813                                 break;
2814                         }
2815                 }
2816                 while (currentbots > bots)
2817                         bot_removenewest();
2818         }
2819
2820         if(botframe_spawnedwaypoints)
2821         {
2822                 if(cvar("waypoint_benchmark"))
2823                         localcmd("quit\n");
2824         }
2825
2826         if (currentbots > 0 || cvar("g_waypointeditor"))
2827         if (botframe_spawnedwaypoints)
2828         {
2829                 if(botframe_cachedwaypointlinks)
2830                 {
2831                         if(!botframe_loadedforcedlinks)
2832                                 waypoint_load_links_hardwired();
2833                 }
2834                 else
2835                 {
2836                         // TODO: Make this check cleaner
2837                         local entity wp = findchain(classname, "waypoint");
2838                         if(time - wp.nextthink > 10)
2839                                 waypoint_save_links();
2840                 }
2841         }
2842         else
2843         {
2844                 botframe_spawnedwaypoints = TRUE;
2845                 waypoint_loadall();
2846                 if(!waypoint_load_links())
2847                         waypoint_schedulerelinkall();
2848         }
2849
2850         if (bot_list)
2851         {
2852                 // cycle the goal token from one bot to the next each frame
2853                 // (this prevents them from all doing spawnfunc_waypoint searches on the same
2854                 //  frame, which causes choppy framerates)
2855                 if (bot_strategytoken_taken)
2856                 {
2857                         bot_strategytoken_taken = FALSE;
2858                         if (bot_strategytoken)
2859                                 bot_strategytoken = bot_strategytoken.nextbot;
2860                         if (!bot_strategytoken)
2861                                 bot_strategytoken = bot_list;
2862                 }
2863
2864                 if (botframe_nextdangertime < time)
2865                 {
2866                         local float interval;
2867                         interval = cvar("bot_ai_dangerdetectioninterval");
2868                         if (botframe_nextdangertime < time - interval * 1.5)
2869                                 botframe_nextdangertime = time;
2870                         botframe_nextdangertime = botframe_nextdangertime + interval;
2871                         botframe_updatedangerousobjects(cvar("bot_ai_dangerdetectionupdates"));
2872                 }
2873         }
2874
2875         if (cvar("g_waypointeditor"))
2876                 botframe_showwaypointlinks();
2877
2878         if(time > bot_cvar_nextthink)
2879         {
2880                 if(currentbots>1)
2881                         bot_custom_weapon_priority_setup();
2882                 bot_cvar_nextthink = time + 5;
2883         }
2884 };