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 float AI_STATUS_WAYPOINT_PERSONAL_GOING         = 64;   // Going to a personal waypoint
   9 float AI_STATUS_WAYPOINT_PERSONAL_REACHED       = 128;  // Personal waypoint reached
  10
  11 // utilities for path debugging
  12 #ifdef DEBUG_TRACEWALK
  13
  14 float DEBUG_NODE_SUCCESS        = 1;
  15 float DEBUG_NODE_WARNING        = 2;
  16 float DEBUG_NODE_FAIL           = 3;
  17
  18 vector debuglastnode;
  19
  20 void debugresetnodes()
  21 {
  22         debuglastnode = '0 0 0';
  23 }
  24
  25 void debugnode(vector node)
  26 {
  27         if not(self.classname=="player")
  28                 return;
  29
  30         if(debuglastnode=='0 0 0')
  31         {
  32                 debuglastnode = node;
  33                 return;
  34         }
  35
  36         te_lightning2(world, node, debuglastnode);
  37         debuglastnode = node;
  38 }
  39
  40 void debugnodestatus(vector position, float status)
  41 {
  42         vector color;
  43
  44         switch (status)
  45         {
  46                 case DEBUG_NODE_SUCCESS:
  47                         color = '0 15 0';
  48                         break;
  49                 case DEBUG_NODE_WARNING:
  50                         color = '15 15 0';
  51                         break;
  52                 case DEBUG_NODE_FAIL:
  53                         color = '15 0 0';
  54                         break;
  55                 default:
  56                         color = '15 15 15';
  57         }
  58
  59         te_customflash(position, 40,  2, color);
  60 }
  61
  62 #endif
  63
  64 // rough simulation of walking from one point to another to test if a path
  65 // can be traveled, used for waypoint linking and havocbot
  66
  67 vector stepheightvec;
  68 float navigation_testtracewalk;
  69 float tracewalk(entity e, vector start, vector m1, vector m2, vector end, float movemode)
  70 {
  71         local vector org;
  72         local vector move;
  73         local vector dir;
  74         local float dist;
  75         local float totaldist;
  76         local float stepdist;
  77         local float yaw;
  78         local float ignorehazards;
  79         local float swimming;
  80
  81         #ifdef DEBUG_TRACEWALK
  82                 debugresetnodes();
  83                 debugnode(start);
  84         #endif
  85
  86         move = end - start;
  87         move_z = 0;
  88         org = start;
  89         dist = totaldist = vlen(move);
  90         dir = normalize(move);
  91         stepdist = 32;
  92         ignorehazards = FALSE;
  93
  94         // Analyze starting point
  95         traceline(start, start, MOVE_NORMAL, e);
  96         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
  97                 ignorehazards = TRUE;
  98         else
  99         {
 100                 traceline( start, start + '0 0 -65536', MOVE_NORMAL, e);
 101                 if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 102                 {
 103                         ignorehazards = TRUE;
 104                         swimming = TRUE;
 105                 }
 106         }
 107         tracebox(start, m1, m2, start, MOVE_NOMONSTERS, e);
 108         if (trace_startsolid)
 109         {
 110                 // Bad start
 111                 #ifdef DEBUG_TRACEWALK
 112                         debugnodestatus(start, DEBUG_NODE_FAIL);
 113                 #endif
 114                 return FALSE;
 115         }
 116
 117         // Movement loop
 118         yaw = vectoyaw(move);
 119         move = end - org;
 120         for (;;)
 121         {
 122                 if (boxesoverlap(end, end, org + m1 + '-1 -1 -1', org + m2 + '1 1 1'))
 123                 {
 124                         // Succeeded
 125                         #ifdef DEBUG_TRACEWALK
 126                                 debugnodestatus(org, DEBUG_NODE_SUCCESS);
 127                         #endif
 128                         return TRUE;
 129                 }
 130                 #ifdef DEBUG_TRACEWALK
 131                         debugnode(org);
 132                 #endif
 133
 134                 if (dist <= 0)
 135                         break;
 136                 if (stepdist > dist)
 137                         stepdist = dist;
 138                 dist = dist - stepdist;
 139                 traceline(org, org, MOVE_NORMAL, e);
 140                 if (!ignorehazards)
 141                 {
 142                         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 143                         {
 144                                 // hazards blocking path
 145                                 #ifdef DEBUG_TRACEWALK
 146                                         debugnodestatus(org, DEBUG_NODE_FAIL);
 147                                 #endif
 148                                 return FALSE;
 149                         }
 150                 }
 151                 if (trace_dpstartcontents & DPCONTENTS_LIQUIDSMASK)
 152                 {
 153                         move = normalize(end - org);
 154                         tracebox(org, m1, m2, org + move * stepdist, movemode, e);
 155
 156                         #ifdef DEBUG_TRACEWALK
 157                                 debugnode(trace_endpos);
 158                         #endif
 159
 160                         if (trace_fraction < 1)
 161                         {
 162                                 swimming = TRUE;
 163                                 org = trace_endpos - normalize(org - trace_endpos) * stepdist;
 164                                 for(; org_z < end_z + self.maxs_z; org_z += stepdist)
 165                                 {
 166                                                 #ifdef DEBUG_TRACEWALK
 167                                                         debugnode(org);
 168                                                 #endif
 169                                         if(pointcontents(org) == CONTENT_EMPTY)
 170                                                         break;
 171                                 }
 172
 173                                 if not (pointcontents(org + '0 0 1') == CONTENT_EMPTY)
 174                                 {
 175                                         #ifdef DEBUG_TRACEWALK
 176                                                 debugnodestatus(org, DEBUG_NODE_FAIL);
 177                                         #endif
 178                                         return FALSE;
 179                                 }
 180                                 continue;
 181
 182                         }
 183                         else
 184                                 org = trace_endpos;
 185                 }
 186                 else
 187                 {
 188                         move = dir * stepdist + org;
 189                         tracebox(org, m1, m2, move, movemode, e);
 190
 191                         #ifdef DEBUG_TRACEWALK
 192                                 debugnode(trace_endpos);
 193                         #endif
 194
 195                         // hit something
 196                         if (trace_fraction < 1)
 197                         {
 198                                 // check if we can walk over this obstacle
 199                                 tracebox(org + stepheightvec, m1, m2, move + stepheightvec, movemode, e);
 200                                 if (trace_fraction < 1 || trace_startsolid)
 201                                 {
 202                                         #ifdef DEBUG_TRACEWALK
 203                                                 debugnodestatus(trace_endpos, DEBUG_NODE_WARNING);
 204                                         #endif
 205
 206                                         // check for doors
 207                                         traceline( org, move, movemode, e);
 208                                         if ( trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 209                                         {
 210                                                 local vector nextmove;
 211                                                 move = trace_endpos;
 212                                                 while(trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 213                                                 {
 214                                                         nextmove = move + (dir * stepdist);
 215                                                         traceline( move, nextmove, movemode, e);
 216                                                         move = nextmove;
 217                                                 }
 218                                         }
 219                                         else
 220                                         {
 221                                                 #ifdef DEBUG_TRACEWALK
 222                                                         debugnodestatus(trace_endpos, DEBUG_NODE_FAIL);
 223                                                 #endif
 224                                                 return FALSE; // failed
 225                                         }
 226                                 }
 227                                 else
 228                                         move = trace_endpos;
 229                         }
 230                         else
 231                                 move = trace_endpos;
 232
 233                         // trace down from stepheight as far as possible and move there,
 234                         // if this starts in solid we try again without the stepup, and
 235                         // if that also fails we assume it is a wall
 236                         // (this is the same logic as the Quake walkmove function used)
 237                         tracebox(move, m1, m2, move + '0 0 -65536', movemode, e);
 238
 239                         // moved successfully
 240                         if(swimming)
 241                         {
 242                                 local float c;
 243                                 c = pointcontents(org + '0 0 1');
 244                                 if not(c == CONTENT_WATER || c == CONTENT_LAVA || c == CONTENT_SLIME)
 245                                         swimming = FALSE;
 246                                 else
 247                                         continue;
 248                         }
 249
 250                         org = trace_endpos;
 251                 }
 252         }
 253
 254         // moved but didn't arrive at the intended destination
 255         #ifdef DEBUG_TRACEWALK
 256                 debugnodestatus(org, DEBUG_NODE_FAIL);
 257         #endif
 258
 259         return FALSE;
 260 };
 261
 262
 263 // grenade tracing to decide the best pitch to fire at
 264
 265 entity tracetossent;
 266 entity tracetossfaketarget;
 267
 268 // traces multiple trajectories to find one that will impact the target
 269 // 'end' vector is the place it aims for,
 270 // returns TRUE only if it hit targ (don't target non-solid entities)
 271 vector findtrajectory_velocity;
 272 float findtrajectorywithleading(vector org, vector m1, vector m2, entity targ, float shotspeed, float shotspeedupward, float maxtime, float shotdelay, entity ignore)
 273 {
 274         local float c, savesolid, shottime;
 275         local vector dir, end, v;
 276         if (shotspeed < 1)
 277                 return FALSE; // could cause division by zero if calculated
 278         if (targ.solid < SOLID_BBOX) // SOLID_NOT and SOLID_TRIGGER
 279                 return FALSE; // could never hit it
 280         if (!tracetossent)
 281                 tracetossent = spawn();
 282         tracetossent.owner = ignore;
 283         setsize(tracetossent, m1, m2);
 284         savesolid = targ.solid;
 285         targ.solid = SOLID_NOT;
 286         shottime = ((vlen(targ.origin - org) / shotspeed) + shotdelay);
 287         v = targ.velocity * shottime + targ.origin;
 288         tracebox(targ.origin, targ.mins, targ.maxs, v, FALSE, targ);
 289         v = trace_endpos;
 290         end = v + (targ.mins + targ.maxs) * 0.5;
 291         if ((vlen(end - org) / shotspeed + 0.2) > maxtime)
 292         {
 293                 // out of range
 294                 targ.solid = savesolid;
 295                 return FALSE;
 296         }
 297
 298         if (!tracetossfaketarget)
 299                 tracetossfaketarget = spawn();
 300         tracetossfaketarget.solid = savesolid;
 301         tracetossfaketarget.movetype = targ.movetype;
 302         setmodel(tracetossfaketarget, targ.model); // no low precision
 303         tracetossfaketarget.model = targ.model;
 304         tracetossfaketarget.modelindex = targ.modelindex;
 305         setsize(tracetossfaketarget, targ.mins, targ.maxs);
 306         setorigin(tracetossfaketarget, v);
 307
 308         c = 0;
 309         dir = normalize(end - org);
 310         while (c < 10) // 10 traces
 311         {
 312                 setorigin(tracetossent, org); // reset
 313                 tracetossent.velocity = findtrajectory_velocity = normalize(dir) * shotspeed + shotspeedupward * '0 0 1';
 314                 tracetoss(tracetossent, ignore); // love builtin functions...
 315                 if (trace_ent == tracetossfaketarget) // done
 316                 {
 317                         targ.solid = savesolid;
 318
 319                         // make it disappear
 320                         tracetossfaketarget.solid = SOLID_NOT;
 321                         tracetossfaketarget.movetype = MOVETYPE_NONE;
 322                         tracetossfaketarget.model = "";
 323                         tracetossfaketarget.modelindex = 0;
 324                         // relink to remove it from physics considerations
 325                         setorigin(tracetossfaketarget, v);
 326
 327                         return TRUE;
 328                 }
 329                 dir_z = dir_z + 0.1; // aim up a little more
 330                 c = c + 1;
 331         }
 332         targ.solid = savesolid;
 333
 334         // make it disappear
 335         tracetossfaketarget.solid = SOLID_NOT;
 336         tracetossfaketarget.movetype = MOVETYPE_NONE;
 337         tracetossfaketarget.model = "";
 338         tracetossfaketarget.modelindex = 0;
 339         // relink to remove it from physics considerations
 340         setorigin(tracetossfaketarget, v);
 341
 342         // leave a valid one even if it won't reach
 343         findtrajectory_velocity = normalize(end - org) * shotspeed + shotspeedupward * '0 0 1';
 344         return FALSE;
 345 };
 346
 347
 348
 349 // lag simulation
 350
 351 .void(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) lag_func;
 352
 353 // upto 5 queued messages
 354 .float lag1_time;
 355 .float lag1_float1;
 356 .float lag1_float2;
 357 .entity lag1_entity1;
 358 .vector lag1_vec1;
 359 .vector lag1_vec2;
 360 .vector lag1_vec3;
 361 .vector lag1_vec4;
 362
 363 .float lag2_time;
 364 .float lag2_float1;
 365 .float lag2_float2;
 366 .entity lag2_entity1;
 367 .vector lag2_vec1;
 368 .vector lag2_vec2;
 369 .vector lag2_vec3;
 370 .vector lag2_vec4;
 371
 372 .float lag3_time;
 373 .float lag3_float1;
 374 .float lag3_float2;
 375 .entity lag3_entity1;
 376 .vector lag3_vec1;
 377 .vector lag3_vec2;
 378 .vector lag3_vec3;
 379 .vector lag3_vec4;
 380
 381 .float lag4_time;
 382 .float lag4_float1;
 383 .float lag4_float2;
 384 .entity lag4_entity1;
 385 .vector lag4_vec1;
 386 .vector lag4_vec2;
 387 .vector lag4_vec3;
 388 .vector lag4_vec4;
 389
 390 .float lag5_time;
 391 .float lag5_float1;
 392 .float lag5_float2;
 393 .entity lag5_entity1;
 394 .vector lag5_vec1;
 395 .vector lag5_vec2;
 396 .vector lag5_vec3;
 397 .vector lag5_vec4;
 398
 399 void lag_update()
 400 {
 401         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;}
 402         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;}
 403         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;}
 404         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;}
 405         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;}
 406 };
 407
 408 float lag_additem(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
 409 {
 410         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;}
 411         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;}
 412         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;}
 413         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;}
 414         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;}
 415         // no room for it (what is the best thing to do here??)
 416         return FALSE;
 417 };
 418
 419
 420 // Random skill system
 421 .float bot_thinkskill;
 422 .float bot_mouseskill;
 423 .float bot_predictionskill;
 424 .float bot_offsetskill;
 425
 426
 427 // spawnfunc_waypoint navigation system
 428
 429 // itemscore = (howmuchmoreIwant / howmuchIcanwant) / itemdistance
 430 // waypointscore = 0.7 / waypointdistance
 431
 432 .entity wp00, wp01, wp02, wp03, wp04, wp05, wp06, wp07;
 433 .entity wp08, wp09, wp10, wp11, wp12, wp13, wp14, wp15;
 434 .entity wp16, wp17, wp18, wp19, wp20, wp21, wp22, wp23, wp24, wp25, wp26, wp27, wp28, wp29, wp30, wp31;
 435 .float wp00mincost, wp01mincost, wp02mincost, wp03mincost, wp04mincost, wp05mincost, wp06mincost, wp07mincost;
 436 .float wp08mincost, wp09mincost, wp10mincost, wp11mincost, wp12mincost, wp13mincost, wp14mincost, wp15mincost;
 437 .float wp16mincost, wp17mincost, wp18mincost, wp19mincost, wp20mincost, wp21mincost, wp22mincost, wp23mincost, wp24mincost, wp25mincost, wp26mincost, wp27mincost, wp28mincost, wp29mincost, wp30mincost, wp31mincost;
 438 .float wpfire, wpcost, wpconsidered;
 439 .float wpisbox;
 440 .float wpflags;
 441 .vector wpnearestpoint;
 442
 443 // stack of current goals (the last one of which may be an item or other
 444 // desirable object, the rest are typically waypoints to reach it)
 445 .entity goalcurrent, goalstack01, goalstack02, goalstack03;
 446 .entity goalstack04, goalstack05, goalstack06, goalstack07;
 447 .entity goalstack08, goalstack09, goalstack10, goalstack11;
 448 .entity goalstack12, goalstack13, goalstack14, goalstack15;
 449 .entity goalstack16, goalstack17, goalstack18, goalstack19;
 450 .entity goalstack20, goalstack21, goalstack22, goalstack23;
 451 .entity goalstack24, goalstack25, goalstack26, goalstack27;
 452 .entity goalstack28, goalstack29, goalstack30, goalstack31;
 453
 454 .entity nearestwaypoint;
 455 .float nearestwaypointtimeout;
 456
 457 // used during navigation_goalrating_begin/end sessions
 458 #define MAX_BESTGOALS 3
 459 float bestgoalswindex;
 460 float bestgoalsrindex;
 461 float navigation_bestrating;
 462 entity navigation_bestgoals[MAX_BESTGOALS];
 463 .float navigation_hasgoals;
 464
 465 /////////////////////////////////////////////////////////////////////////////
 466 // spawnfunc_waypoint management
 467 /////////////////////////////////////////////////////////////////////////////
 468
 469 // waypoints with this flag are not saved, they are automatically generated
 470 // waypoints like jump pads, teleporters, and items
 471 float WAYPOINTFLAG_GENERATED = 8388608;
 472 float WAYPOINTFLAG_ITEM = 4194304;
 473 float WAYPOINTFLAG_TELEPORT = 2097152;
 474 float WAYPOINTFLAG_NORELINK = 1048576;
 475 float WAYPOINTFLAG_PERSONAL = 524288;
 476
 477 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 478 void waypoint_addlink(entity from, entity to)
 479 {
 480         local float c;
 481
 482         if (from == to)
 483                 return;
 484         if (from.wpflags & WAYPOINTFLAG_NORELINK)
 485                 return;
 486
 487         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
 488         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
 489         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
 490         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
 491         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
 492         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
 493         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
 494         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
 495
 496         if (to.wpisbox || from.wpisbox)
 497         {
 498                 // if either is a box we have to find the nearest points on them to
 499                 // calculate the distance properly
 500                 local vector v1, v2, m1, m2;
 501                 v1 = from.origin;
 502                 m1 = to.absmin;
 503                 m2 = to.absmax;
 504                 v1_x = bound(m1_x, v1_x, m2_x);
 505                 v1_y = bound(m1_y, v1_y, m2_y);
 506                 v1_z = bound(m1_z, v1_z, m2_z);
 507                 v2 = to.origin;
 508                 m1 = from.absmin;
 509                 m2 = from.absmax;
 510                 v2_x = bound(m1_x, v2_x, m2_x);
 511                 v2_y = bound(m1_y, v2_y, m2_y);
 512                 v2_z = bound(m1_z, v2_z, m2_z);
 513                 v2 = to.origin;
 514                 c = vlen(v2 - v1);
 515         }
 516         else
 517                 c = vlen(to.origin - from.origin);
 518
 519         if (from.wp31mincost < c) return;
 520         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 521         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 522         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 523         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 524         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 525         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 526         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 527         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 528         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 529         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 530         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 531         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 532         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 533         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 534         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 535         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 536         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 537         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 538         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 539         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 540         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 541         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 542         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 543         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 544         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 545         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 546         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 547         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 548         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 549         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 550         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 551         from.wp00 = to;from.wp00mincost = c;return;
 552 };
 553
 554 // fields you can query using prvm_global server to get some statistics about waypoint linking culling
 555 float relink_total, relink_walkculled, relink_pvsculled, relink_lengthculled;
 556
 557 // relink this spawnfunc_waypoint
 558 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 559 // (SLOW!)
 560 void waypoint_think()
 561 {
 562         local entity e;
 563         local vector sv, sm1, sm2, ev, em1, em2, dv;
 564         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 565         sm1 = self.origin + self.mins;
 566         sm2 = self.origin + self.maxs;
 567         stepheightvec = cvar("sv_stepheight") * '0 0 1';
 568         for(e = world; (e = find(e, classname, "waypoint")); )
 569         {
 570                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 571                 {
 572                         waypoint_addlink(self, e);
 573                         waypoint_addlink(e, self);
 574                 }
 575                 else
 576                 {
 577                         ++relink_total;
 578                         if(!checkpvs(self.origin, e))
 579                         {
 580                                 ++relink_pvsculled;
 581                                 continue;
 582                         }
 583                         sv = e.origin;
 584                         sv_x = bound(sm1_x, sv_x, sm2_x);
 585                         sv_y = bound(sm1_y, sv_y, sm2_y);
 586                         sv_z = bound(sm1_z, sv_z, sm2_z);
 587                         ev = self.origin;
 588                         em1 = e.origin + e.mins;
 589                         em2 = e.origin + e.maxs;
 590                         ev_x = bound(em1_x, ev_x, em2_x);
 591                         ev_y = bound(em1_y, ev_y, em2_y);
 592                         ev_z = bound(em1_z, ev_z, em2_z);
 593                         dv = ev - sv;
 594                         dv_z = 0;
 595                         if (vlen(dv) >= 1050) // max search distance in XY
 596                         {
 597                                 ++relink_lengthculled;
 598                                 continue;
 599                         }
 600                         navigation_testtracewalk = 0;
 601                         if (!self.wpisbox)
 602                         {
 603                                 tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
 604                                 if (!trace_startsolid)
 605                                 {
 606                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 607                                         sv = trace_endpos + '0 0 1';
 608                                 }
 609                         }
 610                         if (!e.wpisbox)
 611                         {
 612                                 tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
 613                                 if (!trace_startsolid)
 614                                 {
 615                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 616                                         ev = trace_endpos + '0 0 1';
 617                                 }
 618                         }
 619                         //traceline(self.origin, e.origin, FALSE, world);
 620                         //if (trace_fraction == 1)
 621                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
 622                                 waypoint_addlink(self, e);
 623                         else
 624                                 relink_walkculled += 0.5;
 625                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
 626                                 waypoint_addlink(e, self);
 627                         else
 628                                 relink_walkculled += 0.5;
 629                 }
 630         }
 631         navigation_testtracewalk = 0;
 632 };
 633
 634 void waypoint_clearlinks(entity wp)
 635 {
 636         // clear links to other waypoints
 637         local float f;
 638         f = 10000000;
 639         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;
 640         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;
 641         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;
 642         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;
 643 };
 644
 645 // tell a spawnfunc_waypoint to relink
 646 void waypoint_schedulerelink(entity wp)
 647 {
 648         if (wp == world)
 649                 return;
 650         // TODO: add some sort of visible box in edit mode for box waypoints
 651         if (cvar("g_waypointeditor"))
 652         {
 653                 local vector m1, m2;
 654                 m1 = wp.mins;
 655                 m2 = wp.maxs;
 656                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
 657                 setsize(wp, m1, m2);
 658                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 659                         wp.colormod = '1 0 0';
 660                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 661                         wp.colormod = '1 1 0';
 662                 else
 663                         wp.colormod = '1 1 1';
 664         }
 665         else
 666                 wp.model = "";
 667         wp.wpisbox = vlen(wp.size) > 0;
 668         wp.enemy = world;
 669         wp.owner = world;
 670         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 671                 waypoint_clearlinks(wp);
 672         // schedule an actual relink on next frame
 673         wp.think = waypoint_think;
 674         wp.nextthink = time;
 675         wp.effects = EF_LOWPRECISION;
 676 }
 677
 678 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
 679 // them back to it as well
 680 // (suitable for spawnfunc_waypoint editor)
 681 entity waypoint_spawn(vector m1, vector m2, float f)
 682 {
 683         local entity w;
 684         local vector org;
 685         w = find(world, classname, "waypoint");
 686
 687         if not(f & WAYPOINTFLAG_PERSONAL)
 688         while (w)
 689         {
 690                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
 691                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
 692                         return w;
 693                 w = find(w, classname, "waypoint");
 694         }
 695
 696         w = spawn();
 697         w.classname = "waypoint";
 698         w.wpflags = f;
 699         setorigin(w, (m1 + m2) * 0.5);
 700         setsize(w, m1 - w.origin, m2 - w.origin);
 701         if (vlen(w.size) > 0)
 702                 w.wpisbox = TRUE;
 703
 704         if(!(f & WAYPOINTFLAG_GENERATED))
 705         if(!w.wpisbox)
 706         {
 707                 traceline(w.origin + '0 0 1', w.origin + PL_MIN_z * '0 0 1' - '0 0 1', MOVE_NOMONSTERS, w);
 708                 if (trace_fraction < 1)
 709                         setorigin(w, trace_endpos - PL_MIN_z * '0 0 1');
 710
 711                 // check if the start position is stuck
 712                 tracebox(w.origin, PL_MIN + '-1 -1 -1', PL_MAX + '1 1 1', w.origin, MOVE_NOMONSTERS, w);
 713                 if (trace_startsolid)
 714                 {
 715                         org = w.origin + '0 0 26';
 716                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 717                         if(trace_startsolid)
 718                         {
 719                                 org = w.origin + '2 2 2';
 720                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 721                                 if(trace_startsolid)
 722                                 {
 723                                         org = w.origin + '-2 -2 2';
 724                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 725                                         if(trace_startsolid)
 726                                         {
 727                                                 org = w.origin + '-2 2 2';
 728                                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 729                                                 if(trace_startsolid)
 730                                                 {
 731                                                         org = w.origin + '2 -2 2';
 732                                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 733                                                         if(trace_startsolid)
 734                                                         {
 735                                                                 // this WP is in solid, refuse it
 736                                                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 737                                                                 remove(w);
 738                                                                 return world;
 739                                                         }
 740                                                 }
 741                                         }
 742                                 }
 743                         }
 744                         setorigin(w, org * 0.05 + trace_endpos * 0.95); // don't trust the trace fully
 745                 }
 746
 747                 tracebox(w.origin, PL_MIN, PL_MAX, w.origin - '0 0 128', MOVE_WORLDONLY, w);
 748                 if(trace_startsolid)
 749                 {
 750                         dprint("Killed a waypoint that was stuck in solid ", vtos(w.origin), "\n");
 751                         remove(w);
 752                         return world;
 753                 }
 754                 if (!trace_inwater)
 755                 {
 756                         if(trace_fraction == 1)
 757                         {
 758                                 dprint("Killed a waypoint that was stuck in air at ", vtos(w.origin), "\n");
 759                                 remove(w);
 760                                 return world;
 761                         }
 762                         trace_endpos_z += 0.1; // don't trust the trace fully
 763 //                      dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 764 //                      dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 765                         setorigin(w, trace_endpos);
 766                 }
 767         }
 768
 769         waypoint_clearlinks(w);
 770         //waypoint_schedulerelink(w);
 771         return w;
 772 };
 773
 774 // spawnfunc_waypoint map entity
 775 void spawnfunc_waypoint()
 776 {
 777         setorigin(self, self.origin);
 778         // schedule a relink after other waypoints have had a chance to spawn
 779         waypoint_clearlinks(self);
 780         //waypoint_schedulerelink(self);
 781 };
 782
 783 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 784 void waypoint_remove(entity e)
 785 {
 786         // tell all linked waypoints that they need to relink
 787         waypoint_schedulerelink(e.wp00);
 788         waypoint_schedulerelink(e.wp01);
 789         waypoint_schedulerelink(e.wp02);
 790         waypoint_schedulerelink(e.wp03);
 791         waypoint_schedulerelink(e.wp04);
 792         waypoint_schedulerelink(e.wp05);
 793         waypoint_schedulerelink(e.wp06);
 794         waypoint_schedulerelink(e.wp07);
 795         waypoint_schedulerelink(e.wp08);
 796         waypoint_schedulerelink(e.wp09);
 797         waypoint_schedulerelink(e.wp10);
 798         waypoint_schedulerelink(e.wp11);
 799         waypoint_schedulerelink(e.wp12);
 800         waypoint_schedulerelink(e.wp13);
 801         waypoint_schedulerelink(e.wp14);
 802         waypoint_schedulerelink(e.wp15);
 803         waypoint_schedulerelink(e.wp16);
 804         waypoint_schedulerelink(e.wp17);
 805         waypoint_schedulerelink(e.wp18);
 806         waypoint_schedulerelink(e.wp19);
 807         waypoint_schedulerelink(e.wp20);
 808         waypoint_schedulerelink(e.wp21);
 809         waypoint_schedulerelink(e.wp22);
 810         waypoint_schedulerelink(e.wp23);
 811         waypoint_schedulerelink(e.wp24);
 812         waypoint_schedulerelink(e.wp25);
 813         waypoint_schedulerelink(e.wp26);
 814         waypoint_schedulerelink(e.wp27);
 815         waypoint_schedulerelink(e.wp28);
 816         waypoint_schedulerelink(e.wp29);
 817         waypoint_schedulerelink(e.wp30);
 818         waypoint_schedulerelink(e.wp31);
 819         // and now remove the spawnfunc_waypoint
 820         remove(e);
 821 };
 822
 823 // empties the map of waypoints
 824 void waypoint_removeall()
 825 {
 826         local entity head, next;
 827         head = findchain(classname, "waypoint");
 828         while (head)
 829         {
 830                 next = head.chain;
 831                 remove(head);
 832                 head = next;
 833         }
 834 };
 835
 836 // tell all waypoints to relink
 837 // (is this useful at all?)
 838 void waypoint_schedulerelinkall()
 839 {
 840         local entity head;
 841         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 842         head = findchain(classname, "waypoint");
 843         while (head)
 844         {
 845                 waypoint_schedulerelink(head);
 846                 head = head.chain;
 847         }
 848 };
 849
 850 // Load waypoint links from file
 851 float botframe_cachedwaypointlinks;
 852 float waypoint_load_links()
 853 {
 854         local string filename, s;
 855         local float file, tokens, c, found;
 856         local entity wp_from, wp_to;
 857         local vector wp_to_pos, wp_from_pos;
 858         filename = strcat("maps/", mapname);
 859         filename = strcat(filename, ".waypoints.cache");
 860         file = fopen(filename, FILE_READ);
 861
 862         if (file < 0)
 863         {
 864                 dprint("waypoint links load from ");
 865                 dprint(filename);
 866                 dprint(" failed\n");
 867                 return FALSE;
 868         }
 869
 870         while (1)
 871         {
 872                 s = fgets(file);
 873                 if (!s)
 874                         break;
 875
 876                 tokens = tokenizebyseparator(s, "*");
 877
 878                 if (tokens!=2)
 879                 {
 880                         // bad file format
 881                         fclose(file);
 882                         return FALSE;
 883                 }
 884
 885                 wp_from_pos     = stov(argv(0));
 886                 wp_to_pos       = stov(argv(1));
 887
 888                 // Search "from" waypoint
 889                 if(wp_from.origin!=wp_from_pos)
 890                 {
 891                         wp_from = findradius(wp_from_pos, 1);
 892                         found = FALSE;
 893                         while(wp_from)
 894                         {
 895                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 896                                 if(wp_from.classname == "waypoint")
 897                                 {
 898                                         found = TRUE;
 899                                         break;
 900                                 }
 901                                 wp_from = wp_from.chain;
 902                         }
 903
 904                         if(!found)
 905                         {
 906                                 // can't find that waypoint
 907                                 fclose(file);
 908                                 return FALSE;
 909                         }
 910                 }
 911
 912                 // Search "to" waypoint
 913                 wp_to = findradius(wp_to_pos, 1);
 914                 found = FALSE;
 915                 while(wp_to)
 916                 {
 917                         if(vlen(wp_to.origin-wp_to_pos)<1)
 918                         if(wp_to.classname == "waypoint")
 919                         {
 920                                 found = TRUE;
 921                                 break;
 922                         }
 923                         wp_to = wp_to.chain;
 924                 }
 925
 926                 if(!found)
 927                 {
 928                         // can't find that waypoint
 929                         fclose(file);
 930                         return FALSE;
 931                 }
 932
 933                 ++c;
 934                 waypoint_addlink(wp_from, wp_to);
 935         }
 936
 937         fclose(file);
 938
 939         dprint("loaded ");
 940         dprint(ftos(c));
 941         dprint(" waypoint links from maps/");
 942         dprint(mapname);
 943         dprint(".waypoints.cache\n");
 944
 945         botframe_cachedwaypointlinks = TRUE;
 946         return TRUE;
 947 };
 948
 949 float botframe_loadedforcedlinks;
 950 void waypoint_load_links_hardwired()
 951 {
 952         local string filename, s;
 953         local float file, tokens, c, found;
 954         local entity wp_from, wp_to;
 955         local vector wp_to_pos, wp_from_pos;
 956         filename = strcat("maps/", mapname);
 957         filename = strcat(filename, ".waypoints.hardwired");
 958         file = fopen(filename, FILE_READ);
 959
 960         botframe_loadedforcedlinks = TRUE;
 961
 962         if (file < 0)
 963         {
 964                 dprint("waypoint links load from ");
 965                 dprint(filename);
 966                 dprint(" failed\n");
 967                 return;
 968         }
 969
 970         for (;;)
 971         {
 972                 s = fgets(file);
 973                 if (!s)
 974                         break;
 975
 976                 if(substring(s, 0, 2)=="//")
 977                         continue;
 978
 979                 if(substring(s, 0, 1)=="#")
 980                         continue;
 981
 982                 tokens = tokenizebyseparator(s, "*");
 983
 984                 if (tokens!=2)
 985                         continue;
 986
 987                 wp_from_pos     = stov(argv(0));
 988                 wp_to_pos       = stov(argv(1));
 989
 990                 // Search "from" waypoint
 991                 if(wp_from.origin!=wp_from_pos)
 992                 {
 993                         wp_from = findradius(wp_from_pos, 1);
 994                         found = FALSE;
 995                         while(wp_from)
 996                         {
 997                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 998                                 if(wp_from.classname == "waypoint")
 999                                 {
1000                                         found = TRUE;
1001                                         break;
1002                                 }
1003                                 wp_from = wp_from.chain;
1004                         }
1005
1006                         if(!found)
1007                         {
1008                                 print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped\n"));
1009                                 continue;
1010                         }
1011                 }
1012
1013                 // Search "to" waypoint
1014                 wp_to = findradius(wp_to_pos, 1);
1015                 found = FALSE;
1016                 while(wp_to)
1017                 {
1018                         if(vlen(wp_to.origin-wp_to_pos)<1)
1019                         if(wp_to.classname == "waypoint")
1020                         {
1021                                 found = TRUE;
1022                                 break;
1023                         }
1024                         wp_to = wp_to.chain;
1025                 }
1026
1027                 if(!found)
1028                 {
1029                         print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped\n"));
1030                         continue;
1031                 }
1032
1033                 ++c;
1034                 waypoint_addlink(wp_from, wp_to);
1035         }
1036
1037         fclose(file);
1038
1039         dprint("loaded ");
1040         dprint(ftos(c));
1041         dprint(" waypoint links from maps/");
1042         dprint(mapname);
1043         dprint(".waypoints.hardwired\n");
1044 };
1045
1046
1047 // Save all waypoint links to a file
1048 void waypoint_save_links()
1049 {
1050         local string filename, s;
1051         local float file, c, i;
1052         local entity w, link;
1053         filename = strcat("maps/", mapname);
1054         filename = strcat(filename, ".waypoints.cache");
1055         file = fopen(filename, FILE_WRITE);
1056         if (file < 0)
1057         {
1058                 print("waypoint links save to ");
1059                 print(filename);
1060                 print(" failed\n");
1061         }
1062         c = 0;
1063         w = findchain(classname, "waypoint");
1064         while (w)
1065         {
1066                 for(i=0;i<32;++i)
1067                 {
1068                         // :S
1069                         switch(i)
1070                         {
1071                                 //      for i in $(seq -w 0 31); do echo "case $i:link = w.wp$i; break;"; done;
1072                                 case 00:link = w.wp00; break;
1073                                 case 01:link = w.wp01; break;
1074                                 case 02:link = w.wp02; break;
1075                                 case 03:link = w.wp03; break;
1076                                 case 04:link = w.wp04; break;
1077                                 case 05:link = w.wp05; break;
1078                                 case 06:link = w.wp06; break;
1079                                 case 07:link = w.wp07; break;
1080                                 case 08:link = w.wp08; break;
1081                                 case 09:link = w.wp09; break;
1082                                 case 10:link = w.wp10; break;
1083                                 case 11:link = w.wp11; break;
1084                                 case 12:link = w.wp12; break;
1085                                 case 13:link = w.wp13; break;
1086                                 case 14:link = w.wp14; break;
1087                                 case 15:link = w.wp15; break;
1088                                 case 16:link = w.wp16; break;
1089                                 case 17:link = w.wp17; break;
1090                                 case 18:link = w.wp18; break;
1091                                 case 19:link = w.wp19; break;
1092                                 case 20:link = w.wp20; break;
1093                                 case 21:link = w.wp21; break;
1094                                 case 22:link = w.wp22; break;
1095                                 case 23:link = w.wp23; break;
1096                                 case 24:link = w.wp24; break;
1097                                 case 25:link = w.wp25; break;
1098                                 case 26:link = w.wp26; break;
1099                                 case 27:link = w.wp27; break;
1100                                 case 28:link = w.wp28; break;
1101                                 case 29:link = w.wp29; break;
1102                                 case 30:link = w.wp30; break;
1103                                 case 31:link = w.wp31; break;
1104                         }
1105
1106                         if(link==world)
1107                                 continue;
1108
1109                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
1110                         fputs(file, s);
1111                         ++c;
1112                 }
1113                 w = w.chain;
1114         }
1115         fclose(file);
1116         botframe_cachedwaypointlinks = TRUE;
1117
1118         print("saved ");
1119         print(ftos(c));
1120         print(" waypoints links to maps/");
1121         print(mapname);
1122         print(".waypoints.cache\n");
1123 };
1124
1125 // save waypoints to gamedir/data/maps/mapname.waypoints
1126 void waypoint_saveall()
1127 {
1128         local string filename, s;
1129         local float file, c;
1130         local entity w;
1131         filename = strcat("maps/", mapname);
1132         filename = strcat(filename, ".waypoints");
1133         file = fopen(filename, FILE_WRITE);
1134         if (file >= 0)
1135         {
1136                 c = 0;
1137                 w = findchain(classname, "waypoint");
1138                 while (w)
1139                 {
1140                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
1141                         {
1142                                 s = strcat(vtos(w.origin + w.mins), "\n");
1143                                 s = strcat(s, vtos(w.origin + w.maxs));
1144                                 s = strcat(s, "\n");
1145                                 s = strcat(s, ftos(w.wpflags));
1146                                 s = strcat(s, "\n");
1147                                 fputs(file, s);
1148                                 c = c + 1;
1149                         }
1150                         w = w.chain;
1151                 }
1152                 fclose(file);
1153                 bprint("saved ");
1154                 bprint(ftos(c));
1155                 bprint(" waypoints to maps/");
1156                 bprint(mapname);
1157                 bprint(".waypoints\n");
1158         }
1159         else
1160         {
1161                 bprint("waypoint save to ");
1162                 bprint(filename);
1163                 bprint(" failed\n");
1164         }
1165         waypoint_save_links();
1166         botframe_loadedforcedlinks = FALSE;
1167 };
1168
1169 // load waypoints from file
1170 float waypoint_loadall()
1171 {
1172         local string filename, s;
1173         local float file, cwp, cwb, fl;
1174         local vector m1, m2;
1175         cwp = 0;
1176         cwb = 0;
1177         filename = strcat("maps/", mapname);
1178         filename = strcat(filename, ".waypoints");
1179         file = fopen(filename, FILE_READ);
1180         if (file >= 0)
1181         {
1182                 while (1)
1183                 {
1184                         s = fgets(file);
1185                         if (!s)
1186                                 break;
1187                         m1 = stov(s);
1188                         s = fgets(file);
1189                         if (!s)
1190                                 break;
1191                         m2 = stov(s);
1192                         s = fgets(file);
1193                         if (!s)
1194                                 break;
1195                         fl = stof(s);
1196                         waypoint_spawn(m1, m2, fl);
1197                         if (m1 == m2)
1198                                 cwp = cwp + 1;
1199                         else
1200                                 cwb = cwb + 1;
1201                 }
1202                 fclose(file);
1203                 dprint("loaded ");
1204                 dprint(ftos(cwp));
1205                 dprint(" waypoints and ");
1206                 dprint(ftos(cwb));
1207                 dprint(" wayboxes from maps/");
1208                 dprint(mapname);
1209                 dprint(".waypoints\n");
1210         }
1211         else
1212         {
1213                 dprint("waypoint load from ");
1214                 dprint(filename);
1215                 dprint(" failed\n");
1216         }
1217         return cwp + cwb;
1218 };
1219
1220 void waypoint_spawnforitem(entity e)
1221 {
1222         local entity w;
1223         local vector org;
1224
1225         if(!bot_waypoints_for_items)
1226                 return;
1227
1228         // Center of entity
1229         org = e.origin + (e.mins + e.maxs) * 0.5;
1230
1231         // Calculate the altitude where the waypoint will be placed
1232         traceline(e.origin, e.origin + '0 0 -65535', TRUE, e);
1233         if(e.origin_z + e.mins_z - trace_endpos_z < PL_MAX_z - PL_MIN_z + 10)
1234                 org_z = trace_endpos_z + PL_MAX_z - PL_MIN_z;
1235         else
1236                 org_z = e.origin_z;
1237
1238         e.nearestwaypointtimeout = time + 1000000000;
1239         // don't spawn an item spawnfunc_waypoint if it already exists
1240         w = findchain(classname, "waypoint");
1241         while (w)
1242         {
1243                 if (w.wpisbox)
1244                 {
1245                         if (boxesoverlap(org, org, w.absmin, w.absmax))
1246                         {
1247                                 e.nearestwaypoint = w;
1248                                 return;
1249                         }
1250                 }
1251                 else
1252                 {
1253                         if (vlen(w.origin - org) < 16)
1254                         {
1255                                 e.nearestwaypoint = w;
1256                                 return;
1257                         }
1258                 }
1259                 w = w.chain;
1260         }
1261         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1262 };
1263
1264 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
1265 {
1266         local entity w;
1267         local entity dw;
1268         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
1269         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
1270         // one way link to the destination
1271         w.wp00 = dw;
1272         w.wp00mincost = timetaken; // this is just for jump pads
1273         // the teleporter's nearest spawnfunc_waypoint is this one
1274         // (teleporters are not goals, so this is probably useless)
1275         e.nearestwaypoint = w;
1276         e.nearestwaypointtimeout = time + 1000000000;
1277 };
1278
1279 entity waypoint_spawnpersonal(vector position)
1280 {
1281         entity w;
1282
1283         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1284         w.nearestwaypoint = world;
1285         w.nearestwaypointtimeout = 0;
1286         w.owner = self;
1287
1288         return w;
1289 };
1290
1291 /////////////////////////////////////////////////////////////////////////////
1292 // goal stack
1293 /////////////////////////////////////////////////////////////////////////////
1294
1295 // completely empty the goal stack, used when deciding where to go
1296 void navigation_clearroute()
1297 {
1298         self.navigation_hasgoals = FALSE;
1299         self.goalcurrent = world;
1300         self.goalstack01 = world;
1301         self.goalstack02 = world;
1302         self.goalstack03 = world;
1303         self.goalstack04 = world;
1304         self.goalstack05 = world;
1305         self.goalstack06 = world;
1306         self.goalstack07 = world;
1307         self.goalstack08 = world;
1308         self.goalstack09 = world;
1309         self.goalstack10 = world;
1310         self.goalstack11 = world;
1311         self.goalstack12 = world;
1312         self.goalstack13 = world;
1313         self.goalstack14 = world;
1314         self.goalstack15 = world;
1315         self.goalstack16 = world;
1316         self.goalstack17 = world;
1317         self.goalstack18 = world;
1318         self.goalstack19 = world;
1319         self.goalstack20 = world;
1320         self.goalstack21 = world;
1321         self.goalstack22 = world;
1322         self.goalstack23 = world;
1323         self.goalstack24 = world;
1324         self.goalstack25 = world;
1325         self.goalstack26 = world;
1326         self.goalstack27 = world;
1327         self.goalstack28 = world;
1328         self.goalstack29 = world;
1329         self.goalstack30 = world;
1330         self.goalstack31 = world;
1331 };
1332
1333 // add a new goal at the beginning of the stack
1334 // (in other words: add a new prerequisite before going to the later goals)
1335 void navigation_pushroute(entity e)
1336 {
1337         self.goalstack31 = self.goalstack30;
1338         self.goalstack30 = self.goalstack29;
1339         self.goalstack29 = self.goalstack28;
1340         self.goalstack28 = self.goalstack27;
1341         self.goalstack27 = self.goalstack26;
1342         self.goalstack26 = self.goalstack25;
1343         self.goalstack25 = self.goalstack24;
1344         self.goalstack24 = self.goalstack23;
1345         self.goalstack23 = self.goalstack22;
1346         self.goalstack22 = self.goalstack21;
1347         self.goalstack21 = self.goalstack20;
1348         self.goalstack20 = self.goalstack19;
1349         self.goalstack19 = self.goalstack18;
1350         self.goalstack18 = self.goalstack17;
1351         self.goalstack17 = self.goalstack16;
1352         self.goalstack16 = self.goalstack15;
1353         self.goalstack15 = self.goalstack14;
1354         self.goalstack14 = self.goalstack13;
1355         self.goalstack13 = self.goalstack12;
1356         self.goalstack12 = self.goalstack11;
1357         self.goalstack11 = self.goalstack10;
1358         self.goalstack10 = self.goalstack09;
1359         self.goalstack09 = self.goalstack08;
1360         self.goalstack08 = self.goalstack07;
1361         self.goalstack07 = self.goalstack06;
1362         self.goalstack06 = self.goalstack05;
1363         self.goalstack05 = self.goalstack04;
1364         self.goalstack04 = self.goalstack03;
1365         self.goalstack03 = self.goalstack02;
1366         self.goalstack02 = self.goalstack01;
1367         self.goalstack01 = self.goalcurrent;
1368         self.goalcurrent = e;
1369 };
1370
1371 // remove first goal from stack
1372 // (in other words: remove a prerequisite for reaching the later goals)
1373 // (used when a spawnfunc_waypoint is reached)
1374 void navigation_poproute()
1375 {
1376         if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1377                 remove(self.goalcurrent);
1378
1379         self.goalcurrent = self.goalstack01;
1380         self.goalstack01 = self.goalstack02;
1381         self.goalstack02 = self.goalstack03;
1382         self.goalstack03 = self.goalstack04;
1383         self.goalstack04 = self.goalstack05;
1384         self.goalstack05 = self.goalstack06;
1385         self.goalstack06 = self.goalstack07;
1386         self.goalstack07 = self.goalstack08;
1387         self.goalstack08 = self.goalstack09;
1388         self.goalstack09 = self.goalstack10;
1389         self.goalstack10 = self.goalstack11;
1390         self.goalstack11 = self.goalstack12;
1391         self.goalstack12 = self.goalstack13;
1392         self.goalstack13 = self.goalstack14;
1393         self.goalstack14 = self.goalstack15;
1394         self.goalstack15 = self.goalstack16;
1395         self.goalstack16 = self.goalstack17;
1396         self.goalstack17 = self.goalstack18;
1397         self.goalstack18 = self.goalstack19;
1398         self.goalstack19 = self.goalstack20;
1399         self.goalstack20 = self.goalstack21;
1400         self.goalstack21 = self.goalstack22;
1401         self.goalstack22 = self.goalstack23;
1402         self.goalstack23 = self.goalstack24;
1403         self.goalstack24 = self.goalstack25;
1404         self.goalstack25 = self.goalstack26;
1405         self.goalstack26 = self.goalstack27;
1406         self.goalstack27 = self.goalstack28;
1407         self.goalstack28 = self.goalstack29;
1408         self.goalstack29 = self.goalstack30;
1409         self.goalstack30 = self.goalstack31;
1410         self.goalstack31 = world;
1411 };
1412
1413 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
1414 entity navigation_findnearestwaypoint(entity player, float walkfromwp)
1415 {
1416         local entity waylist, w, best;
1417         local float dist, bestdist;
1418         local vector v, org, pm1, pm2;
1419         pm1 = player.origin + PL_MIN;
1420         pm2 = player.origin + PL_MAX;
1421         waylist = findchain(classname, "waypoint");
1422         // do two scans, because box test is cheaper
1423         w = waylist;
1424         while (w)
1425         {
1426                 // if object is touching spawnfunc_waypoint
1427                 if (boxesoverlap(pm1, pm2, w.absmin, w.absmax))
1428                         return w;
1429                 w = w.chain;
1430         }
1431
1432         org = player.origin + (player.mins_z - PL_MIN_z) * '0 0 1';
1433         if(player.tag_entity)
1434                 org = org + player.tag_entity.origin;
1435         if (navigation_testtracewalk)
1436                 te_plasmaburn(org);
1437         best = world;
1438         bestdist = 1050;
1439
1440         // box check failed, try walk
1441         w = waylist;
1442         while (w)
1443         {
1444                 // if object can walk from spawnfunc_waypoint
1445                 if (w.wpisbox)
1446                 {
1447                         local vector wm1, wm2;
1448                         wm1 = w.origin + w.mins;
1449                         wm2 = w.origin + w.maxs;
1450                         v_x = bound(wm1_x, org_x, wm2_x);
1451                         v_y = bound(wm1_y, org_y, wm2_y);
1452                         v_z = bound(wm1_z, org_z, wm2_z);
1453                 }
1454                 else
1455                         v = w.origin;
1456                 dist = vlen(v - org);
1457                 if (bestdist > dist)
1458                 {
1459                         if (walkfromwp)
1460                         {
1461                                 traceline(v, org, TRUE, player);
1462                                 if (trace_fraction == 1)
1463                                 if (tracewalk(player, v, PL_MIN, PL_MAX, org, MOVE_NORMAL))
1464                                 {
1465                                         bestdist = dist;
1466                                         best = w;
1467                                 }
1468                         }
1469                         else
1470                         {
1471                                 traceline(v, org, TRUE, player);
1472                                 if (trace_fraction == 1)
1473                                 if (tracewalk(player, org, PL_MIN, PL_MAX, v, MOVE_NORMAL))
1474                                 {
1475                                         bestdist = dist;
1476                                         best = w;
1477                                 }
1478                         }
1479                 }
1480                 w = w.chain;
1481         }
1482         return best;
1483 }
1484
1485 // finds the waypoints near the bot initiating a navigation query
1486 float navigation_markroutes_nearestwaypoints(entity waylist, float maxdist)
1487 {
1488         local entity head;
1489         local vector v, m1, m2, diff;
1490         local float c;
1491 //      navigation_testtracewalk = TRUE;
1492         c = 0;
1493         head = waylist;
1494         while (head)
1495         {
1496                 if (!head.wpconsidered)
1497                 {
1498                         if (head.wpisbox)
1499                         {
1500                                 m1 = head.origin + head.mins;
1501                                 m2 = head.origin + head.maxs;
1502                                 v = self.origin;
1503                                 v_x = bound(m1_x, v_x, m2_x);
1504                                 v_y = bound(m1_y, v_y, m2_y);
1505                                 v_z = bound(m1_z, v_z, m2_z);
1506                         }
1507                         else
1508                                 v = head.origin;
1509                         diff = v - self.origin;
1510                         diff_z = max(0, diff_z);
1511                         if (vlen(diff) < maxdist)
1512                         {
1513                                 head.wpconsidered = TRUE;
1514                                 if (tracewalk(self, self.origin, self.mins, self.maxs, v, MOVE_NORMAL))
1515                                 {
1516                                         head.wpnearestpoint = v;
1517                                         head.wpcost = vlen(v - self.origin) + head.dmg;
1518                                         head.wpfire = 1;
1519                                         head.enemy = world;
1520                                         c = c + 1;
1521                                 }
1522                         }
1523                 }
1524                 head = head.chain;
1525         }
1526         //navigation_testtracewalk = FALSE;
1527         return c;
1528 }
1529
1530 // updates a path link if a spawnfunc_waypoint link is better than the current one
1531 void navigation_markroutes_checkwaypoint(entity w, entity wp, float cost2, vector p)
1532 {
1533         local vector m1;
1534         local vector m2;
1535         local vector v;
1536         if (wp.wpisbox)
1537         {
1538                 m1 = wp.absmin;
1539                 m2 = wp.absmax;
1540                 v_x = bound(m1_x, p_x, m2_x);
1541                 v_y = bound(m1_y, p_y, m2_y);
1542                 v_z = bound(m1_z, p_z, m2_z);
1543         }
1544         else
1545                 v = wp.origin;
1546         cost2 = cost2 + vlen(v);
1547         if (wp.wpcost > cost2)
1548         {
1549                 wp.wpcost = cost2;
1550                 wp.enemy = w;
1551                 wp.wpfire = 1;
1552                 wp.wpnearestpoint = v;
1553         }
1554 };
1555
1556 // queries the entire spawnfunc_waypoint network for pathes leading away from the bot
1557 void navigation_markroutes()
1558 {
1559         local entity w, wp, waylist;
1560         local float searching, cost, cost2;
1561         local vector p;
1562         w = waylist = findchain(classname, "waypoint");
1563         while (w)
1564         {
1565                 w.wpconsidered = FALSE;
1566                 w.wpnearestpoint = '0 0 0';
1567                 w.wpcost = 10000000;
1568                 w.wpfire = 0;
1569                 w.enemy = world;
1570                 w = w.chain;
1571         }
1572
1573         // try a short range search for the nearest waypoints, and expand the search repeatedly if none are found
1574         // as this search is expensive we will use lower values if the bot is on the air
1575         local float i, increment, maxdistance;
1576         if(self.flags & FL_ONGROUND)
1577         {
1578                 increment = 750;
1579                 maxdistance = 50000;
1580         }
1581         else
1582         {
1583                 increment = 500;
1584                 maxdistance = 1500;
1585         }
1586
1587         for(i=increment;!navigation_markroutes_nearestwaypoints(waylist, i)&&i<maxdistance;i+=increment);
1588
1589         searching = TRUE;
1590         while (searching)
1591         {
1592                 searching = FALSE;
1593                 w = waylist;
1594                 while (w)
1595                 {
1596                         if (w.wpfire)
1597                         {
1598                                 searching = TRUE;
1599                                 w.wpfire = 0;
1600                                 cost = w.wpcost;
1601                                 p = w.wpnearestpoint;
1602                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1603                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1604                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1605                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1606                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1607                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1608                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1609                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1610                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1611                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1612                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1613                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1614                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1615                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1616                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1617                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1618                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1619                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1620                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1621                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1622                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1623                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1624                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1625                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1626                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1627                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1628                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1629                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1630                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1631                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1632                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1633                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1634                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1635                         }
1636                         w = w.chain;
1637                 }
1638         }
1639 };
1640
1641 void navigation_bestgoals_reset()
1642 {
1643         local float i;
1644
1645         bestgoalswindex = 0;
1646         bestgoalsrindex = 0;
1647
1648         for(i=0;i>MAX_BESTGOALS-1;++i)
1649         {
1650                 navigation_bestgoals[i] = world;
1651         }
1652 }
1653
1654 void navigation_add_bestgoal(entity goal)
1655 {
1656         local float i;
1657
1658         if(bestgoalsrindex>0)
1659         {
1660                 ++bestgoalsrindex;
1661
1662                 if(bestgoalsrindex==MAX_BESTGOALS)
1663                         bestgoalsrindex = 0;
1664         }
1665
1666         if(bestgoalswindex==MAX_BESTGOALS)
1667         {
1668                 bestgoalswindex=0;
1669                 if(bestgoalsrindex==0)
1670                         bestgoalsrindex=1;
1671         }
1672
1673         navigation_bestgoals[bestgoalswindex] = goal;
1674
1675         ++bestgoalswindex;
1676 }
1677
1678 entity navigation_get_bestgoal()
1679 {
1680         local float i;
1681         local entity ent;
1682
1683         ent = navigation_bestgoals[bestgoalsrindex];
1684         navigation_bestgoals[bestgoalsrindex] = world;
1685
1686         ++bestgoalsrindex;
1687
1688         if(bestgoalsrindex==MAX_BESTGOALS)
1689                 bestgoalsrindex = 0;
1690
1691         return ent;
1692 }
1693
1694 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1695 .void() havocbot_role;
1696 void() havocbot_role_ctf_offense;
1697 void navigation_routerating(entity e, float f, float rangebias)
1698 {
1699         if (!e)
1700                 return;
1701         //te_wizspike(e.origin);
1702         //bprint(etos(e));
1703         //bprint("\n");
1704         // update the cached spawnfunc_waypoint link on a dynamic item entity
1705         if (time > e.nearestwaypointtimeout)
1706         {
1707                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1708                 e.nearestwaypointtimeout = time + random() * 3 + 5;
1709         }
1710         //dprint(e.classname, " ", ftos(f));
1711         //dprint("-- checking ", e.classname, " (with cost ", ftos(e.nearestwaypoint.wpcost), ")\n");
1712         if (e.nearestwaypoint)
1713         if (e.nearestwaypoint.wpcost < 10000000)
1714         {
1715                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1716                 //dprint(e.classname, " ", ftos(f), "/(1+", ftos((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint))), "/", ftos(rangebias), ") = ");
1717                 f = f * rangebias / (rangebias + (e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)));
1718                 //if (self.havocbot_role == havocbot_role_ctf_offense)
1719                 //      dprint("-- considering ", e.classname, " (with rating ", ftos(f), ")\n");
1720                 //dprint(ftos(f));
1721                 if (navigation_bestrating < f)
1722                 {
1723                         navigation_bestrating = f;
1724                         navigation_add_bestgoal(e);
1725                 }
1726         }
1727         //dprint("\n");
1728 };
1729
1730 // adds an item to the the goal stack with the path to a given item
1731 float navigation_routetogoal(entity e, vector startposition)
1732 {
1733         self.goalentity = e;
1734
1735         // if there is no goal, just exit
1736         if (!e)
1737                 return FALSE;
1738
1739         self.navigation_hasgoals = TRUE;
1740
1741         // put the entity on the goal stack
1742         navigation_pushroute(e);
1743
1744         // if it can reach the goal there is nothing more to do
1745         if (tracewalk(self, startposition, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1746                 return TRUE;
1747
1748         // see if there are waypoints describing a path to the item
1749         e = e.nearestwaypoint;
1750         if(e == world)
1751                 return FALSE;
1752
1753         for (;;)
1754         {
1755                 // add the spawnfunc_waypoint to the path
1756                 navigation_pushroute(e);
1757                 e = e.enemy;
1758
1759                 if(e==world)
1760                         break;
1761         }
1762
1763         return FALSE;
1764 };
1765
1766 void navigation_routetogoals()
1767 {
1768         entity g1, g2;
1769
1770         navigation_clearroute();
1771
1772         g1 = navigation_get_bestgoal();
1773         for(;;)
1774         {
1775                 if(g2==world)
1776                         g2 = navigation_get_bestgoal();
1777
1778                 if(g2==world)
1779                 {
1780                         navigation_routetogoal(g1, self.origin);
1781                         return;
1782                 }
1783
1784                 if(navigation_routetogoal(g1, g2.origin))
1785                 {
1786                         g1 = g2;
1787                         g2 = world;
1788                         continue;
1789                 }
1790
1791                 navigation_clearroute();
1792                 g1 = g2;
1793                 g2 = world;
1794         }
1795 }
1796
1797 // removes any currently touching waypoints from the goal stack
1798 // (this is how bots detect if they have reached a goal)
1799 .float lastteleporttime;
1800
1801 void navigation_poptouchedgoals()
1802 {
1803         local vector org, m1, m2;
1804         org = self.origin;
1805         m1 = org + self.mins;
1806         m2 = org + self.maxs;
1807
1808         if(self.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
1809         {
1810                 if(self.lastteleporttime>0)
1811                 if(time-self.lastteleporttime<0.2)
1812                 {
1813                         navigation_poproute();
1814                         return;
1815                 }
1816         }
1817
1818         // Loose goal touching check when running
1819         if(self.aistatus & AI_STATUS_RUNNING)
1820         if(self.goalcurrent.classname=="waypoint")
1821         {
1822                 if(vlen(self.origin - self.goalcurrent.origin)<150)
1823                 {
1824                         traceline(self.origin + self.view_ofs , self.goalcurrent.origin, TRUE, world);
1825                         if(trace_fraction==1)
1826                         {
1827                                 // Detect personal waypoints
1828                                 if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
1829                                 if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1830                                 {
1831                                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1832                                         self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
1833                                 }
1834
1835                                 navigation_poproute();
1836                         }
1837                 }
1838         }
1839
1840         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1841         {
1842                 // Detect personal waypoints
1843                 if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
1844                 if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1845                 {
1846                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1847                         self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
1848                 }
1849
1850                 navigation_poproute();
1851         }
1852 }
1853
1854 // begin a goal selection session (queries spawnfunc_waypoint network)
1855 void navigation_goalrating_start()
1856 {
1857         navigation_bestrating = -1;
1858         self.navigation_hasgoals = FALSE;
1859         navigation_bestgoals_reset();
1860         navigation_markroutes();
1861 };
1862
1863 // ends a goal selection session (updates goal stack to the best goal)
1864 void navigation_goalrating_end()
1865 {
1866         navigation_routetogoals();
1867 };
1868
1869
1870 //////////////////////////////////////////////////////////////////////////////
1871 // general bot functions
1872 //////////////////////////////////////////////////////////////////////////////
1873
1874 .float isbot; // true if this client is actually a bot
1875
1876 float skill;
1877 entity bot_list;
1878 .entity nextbot;
1879 .string netname_freeme;
1880
1881 float sv_maxspeed;
1882 .float createdtime;
1883
1884 .float bot_preferredcolors;
1885
1886 .float bot_attack;
1887 .float bot_dodge;
1888 .float bot_dodgerating;
1889
1890 //.float bot_painintensity;
1891 .float bot_firetimer;
1892 //.float bot_oldhealth;
1893 .void() bot_ai;
1894
1895 .entity bot_aimtarg;
1896 .float bot_aimlatency;
1897 .vector bot_aimselforigin;
1898 .vector bot_aimselfvelocity;
1899 .vector bot_aimtargorigin;
1900 .vector bot_aimtargvelocity;
1901
1902 .float bot_pickup;
1903 .float(entity player, entity item) bot_pickupevalfunc;
1904 .float bot_pickupbasevalue;
1905 .float bot_canfire;
1906 .float bot_strategytime;
1907
1908 // used for aiming currently
1909 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1910 vector shotorg;
1911 vector shotdir;
1912
1913 const float BOTSKINS = 19;
1914 const float BOTNAMES = 32;
1915 string bot_namefornumber(float r)
1916 {
1917         if (r <  1) return "Thunderstorm";
1918         if (r <  2) return "Darkness";
1919         if (r <  3) return "Scorcher";
1920         if (r <  4) return "Paranoia";
1921         if (r <  5) return "Eureka";
1922         if (r <  6) return "Mystery";
1923         if (r <  7) return "Toxic";
1924         if (r <  8) return "Dominion";
1925         if (r <  9) return "Pegasus";
1926         if (r < 10) return "Sensible";
1927         if (r < 11) return "Gator";
1928         if (r < 12) return "Kangaroo";
1929         if (r < 13) return "Deadline";
1930         if (r < 14) return "Frosty";
1931         if (r < 15) return "Roadkill";
1932         if (r < 16) return "Death";
1933         if (r < 17) return "Panic";
1934         if (r < 18) return "Discovery";
1935         if (r < 19) return "Shadow";
1936         if (r < 20) return "Acidic";
1937         if (r < 21) return "Dominator";
1938         if (r < 22) return "Hellfire";
1939         if (r < 23) return "Necrotic";
1940         if (r < 24) return "Newbie";
1941         if (r < 25) return "Spellbinder";
1942         if (r < 26) return "Lion";
1943         if (r < 27) return "Controlled";
1944         if (r < 28) return "Airhead";
1945         if (r < 29) return "Delirium";
1946         if (r < 30) return "Resurrection";
1947         if (r < 31) return "Danger";
1948         return "Flatline";
1949 };
1950
1951 string bot_skinfornumber(float r)
1952 {
1953              if (r <  1) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "0";return "Carni"          ;}
1954         else if (r <  2) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "1";return "Armored Carni"  ;}
1955         else if (r <  3) {self.playermodel = "models/player/crash.zym"          ;self.playerskin = "0";return "Quark"          ;}
1956         else if (r <  4) {self.playermodel = "models/player/grunt.zym"          ;self.playerskin = "0";return "Grunt"          ;}
1957         else if (r <  5) {self.playermodel = "models/player/headhunter.zym"     ;self.playerskin = "0";return "HeadHunter"     ;}
1958         else if (r <  6) {self.playermodel = "models/player/insurrectionist.zym";self.playerskin = "0";return "Insurrectionist";}
1959         else if (r <  7) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "0";return "Lurk"           ;}
1960         else if (r <  8) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "1";return "Reptile"        ;}
1961         else if (r <  9) {self.playermodel = "models/player/lycanthrope.zym"    ;self.playerskin = "0";return "Lycanthrope"    ;}
1962         else if (r < 10) {self.playermodel = "models/player/marine.zym"         ;self.playerskin = "0";return "Marine"         ;}
1963         else if (r < 11) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "0";return "Nexus"          ;}
1964         else if (r < 12) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "1";return "Mulder"         ;}
1965         else if (r < 13) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "2";return "Xolar"          ;}
1966         else if (r < 14) {self.playermodel = "models/player/pyria.zym"          ;self.playerskin = "0";return "Pyria"          ;}
1967         else if (r < 15) {self.playermodel = "models/player/shock.zym"          ;self.playerskin = "0";return "Shock"          ;}
1968         else if (r < 16) {self.playermodel = "models/player/skadi.zym"          ;self.playerskin = "0";return "Skadi"          ;}
1969         else if (r < 17) {self.playermodel = "models/player/specop.zym"         ;self.playerskin = "0";return "Specop"         ;}
1970         else             {self.playermodel = "models/player/visitant.zym"       ;self.playerskin = "0";return "Fricka"         ;}
1971 };
1972
1973 void bot_setnameandstuff()
1974 {
1975         local string name, prefix, suffix;
1976         local float r, b, shirt, pants;
1977
1978         prefix = cvar_string("bot_prefix");
1979         suffix = cvar_string("bot_suffix");
1980
1981         // this is really only a default, JoinBestTeam is called later
1982         pants = floor(random() * 15);
1983         shirt = floor(random() * 15);
1984         //shirt = pants;
1985         setcolor(self, shirt * 16 + pants);
1986         self.bot_preferredcolors = self.clientcolors;
1987
1988         // now pick a name...
1989
1990         if (cvar("bot_usemodelnames"))
1991         {
1992                 // first see if all skins are taken
1993                 b = 0;
1994                 do
1995                 {
1996                         name = bot_skinfornumber(b);
1997                         b = b + 1;
1998                 }
1999                 while (b < BOTSKINS && find(world, netname, name));
2000
2001                 // randomly pick a skin, if it's taken either repeat until we find one,
2002                 // or give up if we already know all skins are taken
2003                 do
2004                 {
2005                         r = floor(random() * BOTSKINS);
2006                         name = bot_skinfornumber(r);
2007                 }
2008                 while (b < BOTSKINS && find(world, netname, name));
2009         }
2010         else
2011         {
2012                 // first see if all names are taken
2013                 b = 0;
2014                 do
2015                 {
2016                         name = bot_namefornumber(b);
2017                         b = b + 1;
2018                 }
2019                 while (b < BOTNAMES && find(world, netname, name));
2020
2021                 // randomly pick a name, if it's taken either repeat until we find one,
2022                 // or give up if we already know all names are taken
2023                 do
2024                 {
2025                         r = floor(random() * BOTNAMES);
2026                         name = bot_namefornumber(r);
2027                 }
2028                 while (b < BOTNAMES && find(world, netname, name));
2029
2030                 // randomly pick a skin
2031                 bot_skinfornumber(floor(random() * BOTSKINS));
2032         }
2033         if(!cvar("g_campaign"))
2034                 self.netname = self.netname_freeme = strzone(strcat(prefix, name, suffix));
2035         else
2036                 self.netname = name;
2037 };
2038
2039 float bot_custom_weapon;
2040 float bot_distance_far;
2041 float bot_distance_close;
2042
2043 float bot_weapons_far[WEP_LAST];
2044 float bot_weapons_mid[WEP_LAST];
2045 float bot_weapons_close[WEP_LAST];
2046
2047 void bot_custom_weapon_priority_setup()
2048 {
2049         local float tokens, i, c, w;
2050
2051         bot_custom_weapon = FALSE;
2052
2053         if(     cvar_string("bot_ai_custom_weapon_priority_far") == "" ||
2054                 cvar_string("bot_ai_custom_weapon_priority_mid") == "" ||
2055                 cvar_string("bot_ai_custom_weapon_priority_close") == "" ||
2056                 cvar_string("bot_ai_custom_weapon_priority_distances") == ""
2057         )
2058                 return;
2059
2060         // Parse distances
2061         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_distances")," ");
2062
2063         if (tokens!=2)
2064                 return;
2065
2066         bot_distance_far = stof(argv(0));
2067         bot_distance_close = stof(argv(1));
2068
2069         if(bot_distance_far < bot_distance_close){
2070                 bot_distance_far = stof(argv(1));
2071                 bot_distance_close = stof(argv(0));
2072         }
2073
2074         // Initialize list of weapons
2075         bot_weapons_far[0] = -1;
2076         bot_weapons_mid[0] = -1;
2077         bot_weapons_close[0] = -1;
2078
2079         // Parse far distance weapon priorities
2080         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_far")," ");
2081
2082         c = 0;
2083         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2084                 w = stof(argv(i));
2085                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2086                         bot_weapons_far[c] = w;
2087                         ++c;
2088                 }
2089         }
2090         if(c < WEP_COUNT)
2091                 bot_weapons_far[c] = -1;
2092
2093         // Parse mid distance weapon priorities
2094         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_mid")," ");
2095
2096         c = 0;
2097         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2098                 w = stof(argv(i));
2099                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2100                         bot_weapons_mid[c] = w;
2101                         ++c;
2102                 }
2103         }
2104         if(c < WEP_COUNT)
2105                 bot_weapons_mid[c] = -1;
2106
2107         // Parse close distance weapon priorities
2108         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_close")," ");
2109
2110         c = 0;
2111         for(i=0; i < tokens && i < WEP_COUNT; ++i){
2112                 w = stof(argv(i));
2113                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2114                         bot_weapons_close[c] = w;
2115                         ++c;
2116                 }
2117         }
2118         if(c < WEP_COUNT)
2119                 bot_weapons_close[c] = -1;
2120
2121         bot_custom_weapon = TRUE;
2122 };
2123
2124
2125 void bot_endgame()
2126 {
2127         local entity e;
2128         //dprint("bot_endgame\n");
2129         e = bot_list;
2130         while (e)
2131         {
2132                 setcolor(e, e.bot_preferredcolors);
2133                 e = e.nextbot;
2134         }
2135         // if dynamic waypoints are ever implemented, save them here
2136 };
2137
2138 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
2139 float bot_shouldattack(entity e)
2140 {
2141         if (e.team == self.team)
2142         {
2143                 if (e == self)
2144                         return FALSE;
2145                 if (teams_matter)
2146                 if (e.team != 0)
2147                         return FALSE;
2148         }
2149         if(!teams_matter)
2150                 if(bot_ignore_bots)
2151                         if(clienttype(e) == CLIENTTYPE_BOT)
2152                                 return FALSE;
2153         if (!e.takedamage)
2154                 return FALSE;
2155         if (e.deadflag)
2156                 return FALSE;
2157         if (e.BUTTON_CHAT)
2158                 return FALSE;
2159         if(g_minstagib)
2160         if(e.items & IT_STRENGTH)
2161                 return FALSE;
2162         if(e.flags & FL_NOTARGET)
2163                 return FALSE;
2164         return TRUE;
2165 };
2166
2167 void bot_lagfunc(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
2168 {
2169         if(self.flags & FL_INWATER)
2170         {
2171                 self.bot_aimtarg = world;
2172                 return;
2173         }
2174         self.bot_aimtarg = e1;
2175         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
2176         self.bot_aimselforigin = v1;
2177         self.bot_aimselfvelocity = v2;
2178         self.bot_aimtargorigin = v3;
2179         self.bot_aimtargvelocity = v4;
2180         if(skill <= 0)
2181                 self.bot_canfire = (random() < 0.8);
2182         else if(skill <= 1)
2183                 self.bot_canfire = (random() < 0.9);
2184         else if(skill <= 2)
2185                 self.bot_canfire = (random() < 0.95);
2186         else
2187                 self.bot_canfire = 1;
2188 };
2189
2190 .float bot_nextthink;
2191 .float bot_badaimtime;
2192 .float bot_aimthinktime;
2193 .float bot_prevaimtime;
2194 .vector bot_mouseaim;
2195 .vector bot_badaimoffset;
2196 .vector bot_1st_order_aimfilter;
2197 .vector bot_2nd_order_aimfilter;
2198 .vector bot_3th_order_aimfilter;
2199 .vector bot_4th_order_aimfilter;
2200 .vector bot_5th_order_aimfilter;
2201 .vector bot_olddesiredang;
2202 float bot_aimdir(vector v, float maxfiredeviation)
2203 {
2204         local float dist, delta_t, blend;
2205         local vector desiredang, diffang;
2206
2207         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
2208         // make sure v_angle is sane first
2209         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2210         self.v_angle_z = 0;
2211
2212         // get the desired angles to aim at
2213         //dprint(" at:", vtos(v));
2214         v = normalize(v);
2215         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
2216         if (time >= self.bot_badaimtime)
2217         {
2218                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
2219                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5) * cvar("bot_ai_aimskill_offset");
2220         }
2221         desiredang = vectoangles(v) + self.bot_badaimoffset;
2222         //dprint(" desired:", vtos(desiredang));
2223         if (desiredang_x >= 180)
2224                 desiredang_x = desiredang_x - 360;
2225         desiredang_x = bound(-90, 0 - desiredang_x, 90);
2226         desiredang_z = self.v_angle_z;
2227         //dprint(" / ", vtos(desiredang));
2228
2229         //// pain throws off aim
2230         //if (self.bot_painintensity)
2231         //{
2232         //      // shake from pain
2233         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
2234         //}
2235
2236         // calculate turn angles
2237         diffang = (desiredang - self.bot_olddesiredang);
2238         // wrap yaw turn
2239         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2240         if (diffang_y >= 180)
2241                 diffang_y = diffang_y - 360;
2242         self.bot_olddesiredang = desiredang;
2243         //dprint(" diff:", vtos(diffang));
2244
2245         delta_t = time-self.bot_prevaimtime;
2246         self.bot_prevaimtime = time;
2247         // Here we will try to anticipate the comming aiming direction
2248         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
2249                 + (diffang * (1 / delta_t)    - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
2250         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
2251                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
2252         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
2253                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
2254         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
2255                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
2256         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
2257                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
2258
2259         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
2260         blend = bound(0,skill,10)*0.1;
2261         desiredang = desiredang + blend *
2262         (
2263                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
2264                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
2265                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
2266                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
2267                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
2268         );
2269
2270         // calculate turn angles
2271         diffang = desiredang - self.bot_mouseaim;
2272         // wrap yaw turn
2273         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2274         if (diffang_y >= 180)
2275                 diffang_y = diffang_y - 360;
2276         //dprint(" diff:", vtos(diffang));
2277
2278         if (time >= self.bot_aimthinktime)
2279         {
2280                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
2281                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
2282         }
2283
2284         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2285
2286         diffang = self.bot_mouseaim - desiredang;
2287         // wrap yaw turn
2288         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2289         if (diffang_y >= 180)
2290                 diffang_y = diffang_y - 360;
2291         desiredang = desiredang + diffang * bound(0,cvar("bot_ai_aimskill_think"),1);
2292
2293         // calculate turn angles
2294         diffang = desiredang - self.v_angle;
2295         // wrap yaw turn
2296         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2297         if (diffang_y >= 180)
2298                 diffang_y = diffang_y - 360;
2299         //dprint(" diff:", vtos(diffang));
2300
2301         // jitter tracking
2302         dist = vlen(diffang);
2303         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
2304
2305         // turn
2306         local float r, fixedrate, blendrate;
2307         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
2308         blendrate = cvar("bot_ai_aimskill_blendrate");
2309         r = max(fixedrate, blendrate);
2310         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
2311         self.v_angle = self.v_angle + diffang * bound(delta_t, r * delta_t * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
2312         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
2313         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2314         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
2315         self.v_angle_z = 0;
2316         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2317         //dprint(" turn:", vtos(self.v_angle));
2318
2319         makevectors(self.v_angle);
2320         shotorg = self.origin + self.view_ofs;
2321         shotdir = v_forward;
2322
2323         //dprint(" dir:", vtos(v_forward));
2324         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
2325
2326         // calculate turn angles again
2327         //diffang = desiredang - self.v_angle;
2328         //diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2329         //if (diffang_y >= 180)
2330         //      diffang_y = diffang_y - 360;
2331
2332         //dprint("e ", vtos(diffang), " < ", ftos(maxfiredeviation), "\n");
2333
2334         // decide whether to fire this time
2335         // note the maxfiredeviation is in degrees so this has to convert to radians first
2336         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2337         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2338         if (vlen(trace_endpos-shotorg) < 500+500*bound(0, skill, 10) || random()*random()>bound(0,skill*0.05,1))
2339                 self.bot_firetimer = time + bound(0.1, 0.5-skill*0.05, 0.5);
2340         //traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
2341         //dprint(ftos(maxfiredeviation),"\n");
2342         //dprint(" diff:", vtos(diffang), "\n");
2343
2344         return self.bot_canfire && (time < self.bot_firetimer);
2345 };
2346
2347 vector bot_shotlead(vector targorigin, vector targvelocity, float shotspeed, float shotdelay)
2348 {
2349         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
2350         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
2351 };
2352
2353 float bot_aim(float shotspeed, float shotspeedupward, float maxshottime, float applygravity)
2354 {
2355         local float f, r;
2356         local vector v;
2357         /*
2358         eprint(self);
2359         dprint("bot_aim(", ftos(shotspeed));
2360         dprint(", ", ftos(shotspeedupward));
2361         dprint(", ", ftos(maxshottime));
2362         dprint(", ", ftos(applygravity));
2363         dprint(");\n");
2364         */
2365         if (!shotspeed)
2366         {
2367                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
2368                 shotspeed = 1000000;
2369         }
2370         if (!maxshottime)
2371         {
2372                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
2373                 maxshottime = 1;
2374         }
2375         makevectors(self.v_angle);
2376         shotorg = self.origin + self.view_ofs;
2377         shotdir = v_forward;
2378         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
2379         local float distanceratio;
2380         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
2381         distanceratio = bound(0,distanceratio,1);
2382         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
2383                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
2384         if (applygravity && self.bot_aimtarg)
2385         {
2386                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
2387                         return FALSE;
2388                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
2389         }
2390         else
2391         {
2392                 f = bot_aimdir(v - shotorg, r);
2393                 //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");
2394                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
2395                 if (trace_ent.takedamage)
2396                 if (trace_fraction < 1)
2397                 if (!bot_shouldattack(trace_ent))
2398                         return FALSE;
2399                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
2400                 if (trace_fraction < 1)
2401                 if (trace_ent != self.enemy)
2402                 if (!bot_shouldattack(trace_ent))
2403                         return FALSE;
2404         }
2405         if (r > maxshottime * shotspeed)
2406                 return FALSE;
2407         return f;
2408 };
2409
2410 // TODO: move this painintensity code to the player damage code
2411 void bot_think()
2412 {
2413         if (self.bot_nextthink > time)
2414                 return;
2415         self.bot_nextthink = self.bot_nextthink + cvar("bot_ai_thinkinterval");
2416         //if (self.bot_painintensity > 0)
2417         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
2418
2419         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
2420         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
2421
2422         if(time < game_starttime || ((cvar("g_campaign") && !campaign_bots_may_start)))
2423         {
2424                 self.nextthink = time + 0.5;
2425                 return;
2426         }
2427
2428         if (self.fixangle)
2429         {
2430                 self.v_angle = self.angles;
2431                 self.v_angle_z = 0;
2432                 self.fixangle = FALSE;
2433         }
2434
2435         self.dmg_take = 0;
2436         self.dmg_save = 0;
2437         self.dmg_inflictor = world;
2438
2439         // calculate an aiming latency based on the skill setting
2440         // (simulated network latency + naturally delayed reflexes)
2441         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
2442         // minimum ping 20+10 random
2443         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
2444         // skill 10 = ping 0.2 (adrenaline)
2445         // skill 0 = ping 0.7 (slightly drunk)
2446
2447         // clear buttons
2448         self.BUTTON_ATCK = 0;
2449         self.button1 = 0;
2450         self.BUTTON_JUMP = 0;
2451         self.BUTTON_ATCK2 = 0;
2452         self.BUTTON_ZOOM = 0;
2453         self.BUTTON_CROUCH = 0;
2454         self.BUTTON_HOOK = 0;
2455         self.BUTTON_INFO = 0;
2456         self.button8 = 0;
2457         self.BUTTON_CHAT = 0;
2458         self.BUTTON_USE = 0;
2459
2460         // if dead, just wait until we can respawn
2461         if (self.deadflag)
2462         {
2463                 if (self.deadflag == DEAD_DEAD)
2464                 {
2465                         self.BUTTON_JUMP = 1; // press jump to respawn
2466                         self.bot_strategytime = 0;
2467                 }
2468                 return;
2469         }
2470
2471         // now call the current bot AI (havocbot for example)
2472         self.bot_ai();
2473 };
2474
2475 entity bot_strategytoken;
2476 float bot_strategytoken_taken;
2477 entity player_list;
2478 .entity nextplayer;
2479 void bot_relinkplayerlist()
2480 {
2481         local entity e;
2482         local entity prevbot;
2483         player_count = 0;
2484         currentbots = 0;
2485         player_list = e = findchainflags(flags, FL_CLIENT);
2486         bot_list = world;
2487         prevbot = world;
2488         while (e)
2489         {
2490                 player_count = player_count + 1;
2491                 e.nextplayer = e.chain;
2492                 if (clienttype(e) == CLIENTTYPE_BOT)
2493                 {
2494                         if (prevbot)
2495                                 prevbot.nextbot = e;
2496                         else
2497                                 bot_list = e;
2498                         prevbot = e;
2499                         currentbots = currentbots + 1;
2500                 }
2501                 e = e.chain;
2502         }
2503         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
2504         bot_strategytoken = bot_list;
2505         bot_strategytoken_taken = TRUE;
2506 };
2507
2508 void() havocbot_setupbot;
2509 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam);
2510
2511 void bot_clientdisconnect()
2512 {
2513         if (clienttype(self) != CLIENTTYPE_BOT)
2514                 return;
2515         if(self.netname_freeme)
2516                 strunzone(self.netname_freeme);
2517         self.netname_freeme = string_null;
2518 }
2519
2520 void bot_clientconnect()
2521 {
2522         if (clienttype(self) != CLIENTTYPE_BOT)
2523                 return;
2524         self.bot_preferredcolors = self.clientcolors;
2525         self.bot_nextthink = time - random();
2526         self.lag_func = bot_lagfunc;
2527         self.isbot = TRUE;
2528         self.createdtime = self.nextthink;
2529         JoinBestTeam(self, FALSE, TRUE);
2530         havocbot_setupbot();
2531         self.bot_mouseskill=random()-0.5;
2532         self.bot_thinkskill=random()-0.5;
2533         self.bot_predictionskill=random()-0.5;
2534         self.bot_offsetskill=random()-0.5;
2535 };
2536
2537 entity bot_spawn()
2538 {
2539         local entity oldself, bot;
2540         bot = spawnclient();
2541         if (bot)
2542         {
2543                 currentbots = currentbots + 1;
2544                 oldself = self;
2545                 self = bot;
2546                 bot_setnameandstuff();
2547                 ClientConnect();
2548                 PutClientInServer();
2549                 self = oldself;
2550         }
2551         return bot;
2552 };
2553
2554 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
2555 void bot_removefromlargestteam()
2556 {
2557         local float besttime, bestcount, thiscount;
2558         local entity best, head;
2559         CheckAllowedTeams(world);
2560         GetTeamCounts(world);
2561         head = findchainfloat(isbot, TRUE);
2562         if (!head)
2563                 return;
2564         best = head;
2565         besttime = head.createdtime;
2566         bestcount = 0;
2567         while (head)
2568         {
2569                 if(head.team == COLOR_TEAM1)
2570                         thiscount = c1;
2571                 else if(head.team == COLOR_TEAM2)
2572                         thiscount = c2;
2573                 else if(head.team == COLOR_TEAM3)
2574                         thiscount = c3;
2575                 else if(head.team == COLOR_TEAM4)
2576                         thiscount = c4;
2577                 else
2578                         thiscount = 0;
2579                 if (thiscount > bestcount)
2580                 {
2581                         bestcount = thiscount;
2582                         besttime = head.createdtime;
2583                         best = head;
2584                 }
2585                 else if (thiscount == bestcount && besttime < head.createdtime)
2586                 {
2587                         besttime = head.createdtime;
2588                         best = head;
2589                 }
2590                 head = head.chain;
2591         }
2592         currentbots = currentbots - 1;
2593         dropclient(best);
2594 };
2595
2596 void bot_removenewest()
2597 {
2598         local float besttime;
2599         local entity best, head;
2600
2601         if(teams_matter)
2602         {
2603                 bot_removefromlargestteam();
2604                 return;
2605         }
2606
2607         head = findchainfloat(isbot, TRUE);
2608         if (!head)
2609                 return;
2610         best = head;
2611         besttime = head.createdtime;
2612         while (head)
2613         {
2614                 if (besttime < head.createdtime)
2615                 {
2616                         besttime = head.createdtime;
2617                         best = head;
2618                 }
2619                 head = head.chain;
2620         }
2621         currentbots = currentbots - 1;
2622         dropclient(best);
2623 };
2624
2625 float botframe_waypointeditorlightningtime;
2626 void botframe_showwaypointlinks()
2627 {
2628         local entity player, head, w;
2629         if (time < botframe_waypointeditorlightningtime)
2630                 return;
2631         botframe_waypointeditorlightningtime = time + 0.5;
2632         player = find(world, classname, "player");
2633         while (player)
2634         {
2635                 if (!player.isbot)
2636                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
2637                 {
2638                         //navigation_testtracewalk = TRUE;
2639                         head = navigation_findnearestwaypoint(player, FALSE);
2640                         //navigation_testtracewalk = FALSE;
2641                         if (head)
2642                         {
2643                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
2644                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
2645                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
2646                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
2647                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
2648                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
2649                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2650                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2651                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2652                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2653                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2654                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2655                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2656                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2657                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2658                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2659                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2660                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2661                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2662                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2663                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2664                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2665                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2666                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2667                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2668                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2669                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2670                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2671                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2672                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2673                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2674                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2675                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2676                         }
2677                 }
2678                 player = find(player, classname, "player");
2679         }
2680 };
2681
2682 entity botframe_dangerwaypoint;
2683 void botframe_updatedangerousobjects(float maxupdate)
2684 {
2685         local entity head, bot_dodgelist;
2686         local vector m1, m2, v;
2687         local float c, d, danger;
2688         c = 0;
2689         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2690         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2691         while (botframe_dangerwaypoint != world)
2692         {
2693                 danger = 0;
2694                 m1 = botframe_dangerwaypoint.mins;
2695                 m2 = botframe_dangerwaypoint.maxs;
2696                 head = bot_dodgelist;
2697                 while (head)
2698                 {
2699                         v = head.origin;
2700                         v_x = bound(m1_x, v_x, m2_x);
2701                         v_y = bound(m1_y, v_y, m2_y);
2702                         v_z = bound(m1_z, v_z, m2_z);
2703                         d = head.bot_dodgerating - vlen(head.origin - v);
2704                         if (d > 0)
2705                         {
2706                                 traceline(head.origin, v, TRUE, world);
2707                                 if (trace_fraction == 1)
2708                                         danger = danger + d;
2709                         }
2710                         head = head.chain;
2711                 }
2712                 botframe_dangerwaypoint.dmg = danger;
2713                 c = c + 1;
2714                 if (c >= maxupdate)
2715                         break;
2716                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2717         }
2718 };
2719
2720
2721 float botframe_spawnedwaypoints;
2722 float botframe_nextthink;
2723 float botframe_nextdangertime;
2724
2725 float autoskill_nextthink;
2726 .float totalfrags_lastcheck;
2727 void autoskill(float factor)
2728 {
2729         float bestbot;
2730         float bestplayer;
2731         entity head;
2732
2733         bestbot = -1;
2734         bestplayer = -1;
2735         FOR_EACH_PLAYER(head)
2736         {
2737                 if(clienttype(head) == CLIENTTYPE_REAL)
2738                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2739                 else
2740                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2741         }
2742
2743         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2744         dprint("best bot got ", ftos(bestbot), "; ");
2745         if(bestbot < 0 || bestplayer < 0)
2746         {
2747                 dprint("not doing anything\n");
2748                 // don't return, let it reset all counters below
2749         }
2750         else if(bestbot <= bestplayer * factor - 2)
2751         {
2752                 if(cvar("skill") < 17)
2753                 {
2754                         dprint("2 frags difference, increasing skill\n");
2755                         cvar_set("skill", ftos(cvar("skill") + 1));
2756                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2757                 }
2758         }
2759         else if(bestbot >= bestplayer * factor + 2)
2760         {
2761                 if(cvar("skill") > 0)
2762                 {
2763                         dprint("2 frags difference, decreasing skill\n");
2764                         cvar_set("skill", ftos(cvar("skill") - 1));
2765                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2766                 }
2767         }
2768         else
2769         {
2770                 dprint("not doing anything\n");
2771                 return;
2772                 // don't reset counters, wait for them to accumulate
2773         }
2774
2775         FOR_EACH_PLAYER(head)
2776                 head.totalfrags_lastcheck = head.totalfrags;
2777 }
2778
2779 float bot_cvar_nextthink;
2780 void bot_serverframe()
2781 {
2782         float realplayers, bots, activerealplayers;
2783         entity head;
2784
2785         if (intermission_running)
2786                 return;
2787
2788         if (time < 2)
2789                 return;
2790
2791         if(time > autoskill_nextthink)
2792         {
2793                 float a;
2794                 a = cvar("skill_auto");
2795                 if(a)
2796                         autoskill(a);
2797                 autoskill_nextthink = time + 5;
2798         }
2799
2800         activerealplayers = 0;
2801         realplayers = 0;
2802
2803         FOR_EACH_REALCLIENT(head)
2804         {
2805                 if(head.classname == "player" || g_lms || g_arena)
2806                         ++activerealplayers;
2807                 ++realplayers;
2808         }
2809
2810         // add/remove bots if needed to make sure there are at least
2811         // minplayers+bot_number, or remove all bots if no one is playing
2812         // But don't remove bots immediately on level change, as the real players
2813         // usually haven't rejoined yet
2814         bots_would_leave = FALSE;
2815         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2816         {
2817                 float realminplayers, minplayers;
2818                 realminplayers = cvar("minplayers");
2819                 minplayers = max(0, floor(realminplayers));
2820
2821                 float realminbots, minbots;
2822                 if(cvar("bot_vs_human"))
2823                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2824                 else
2825                         realminbots = cvar("bot_number");
2826                 minbots = max(0, floor(realminbots));
2827
2828                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2829                 if(bots > minbots)
2830                         bots_would_leave = TRUE;
2831         }
2832         else
2833         {
2834                 // if there are no players, remove bots
2835                 bots = 0;
2836         }
2837
2838         bot_ignore_bots = cvar("bot_ignore_bots");
2839
2840         // only add one bot per frame to avoid utter chaos
2841         if(time > botframe_nextthink)
2842         {
2843                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2844                 while (currentbots < bots)
2845                 {
2846                         if (bot_spawn() == world)
2847                         {
2848                                 bprint("Can not add bot, server full.\n");
2849                                 botframe_nextthink = time + 10;
2850                                 break;
2851                         }
2852                 }
2853                 while (currentbots > bots)
2854                         bot_removenewest();
2855         }
2856
2857         if(botframe_spawnedwaypoints)
2858         {
2859                 if(cvar("waypoint_benchmark"))
2860                         localcmd("quit\n");
2861         }
2862
2863         if (currentbots > 0 || cvar("g_waypointeditor"))
2864         if (botframe_spawnedwaypoints)
2865         {
2866                 if(botframe_cachedwaypointlinks)
2867                 {
2868                         if(!botframe_loadedforcedlinks)
2869                                 waypoint_load_links_hardwired();
2870                 }
2871                 else
2872                 {
2873                         // TODO: Make this check cleaner
2874                         local entity wp = findchain(classname, "waypoint");
2875                         if(time - wp.nextthink > 10)
2876                                 waypoint_save_links();
2877                 }
2878         }
2879         else
2880         {
2881                 botframe_spawnedwaypoints = TRUE;
2882                 waypoint_loadall();
2883                 if(!waypoint_load_links())
2884                         waypoint_schedulerelinkall();
2885         }
2886
2887         if (bot_list)
2888         {
2889                 // cycle the goal token from one bot to the next each frame
2890                 // (this prevents them from all doing spawnfunc_waypoint searches on the same
2891                 //  frame, which causes choppy framerates)
2892                 if (bot_strategytoken_taken)
2893                 {
2894                         bot_strategytoken_taken = FALSE;
2895                         if (bot_strategytoken)
2896                                 bot_strategytoken = bot_strategytoken.nextbot;
2897                         if (!bot_strategytoken)
2898                                 bot_strategytoken = bot_list;
2899                 }
2900
2901                 if (botframe_nextdangertime < time)
2902                 {
2903                         local float interval;
2904                         interval = cvar("bot_ai_dangerdetectioninterval");
2905                         if (botframe_nextdangertime < time - interval * 1.5)
2906                                 botframe_nextdangertime = time;
2907                         botframe_nextdangertime = botframe_nextdangertime + interval;
2908                         botframe_updatedangerousobjects(cvar("bot_ai_dangerdetectionupdates"));
2909                 }
2910         }
2911
2912         if (cvar("g_waypointeditor"))
2913                 botframe_showwaypointlinks();
2914
2915         if(time > bot_cvar_nextthink)
2916         {
2917                 if(currentbots>1)
2918                         bot_custom_weapon_priority_setup();
2919                 bot_cvar_nextthink = time + 5;
2920         }
2921 };