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.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP;
 698         w.classname = "waypoint";
 699         w.wpflags = f;
 700         setorigin(w, (m1 + m2) * 0.5);
 701         setsize(w, m1 - w.origin, m2 - w.origin);
 702         if (vlen(w.size) > 0)
 703                 w.wpisbox = TRUE;
 704
 705         if(!(f & WAYPOINTFLAG_GENERATED))
 706         if(!w.wpisbox)
 707         {
 708                 traceline(w.origin + '0 0 1', w.origin + PL_MIN_z * '0 0 1' - '0 0 1', MOVE_NOMONSTERS, w);
 709                 if (trace_fraction < 1)
 710                         setorigin(w, trace_endpos - PL_MIN_z * '0 0 1');
 711
 712                 // check if the start position is stuck
 713                 tracebox(w.origin, PL_MIN + '-1 -1 -1', PL_MAX + '1 1 1', w.origin, MOVE_NOMONSTERS, w);
 714                 if (trace_startsolid)
 715                 {
 716                         org = w.origin + '0 0 26';
 717                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 718                         if(trace_startsolid)
 719                         {
 720                                 org = w.origin + '2 2 2';
 721                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 722                                 if(trace_startsolid)
 723                                 {
 724                                         org = w.origin + '-2 -2 2';
 725                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 726                                         if(trace_startsolid)
 727                                         {
 728                                                 org = w.origin + '-2 2 2';
 729                                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 730                                                 if(trace_startsolid)
 731                                                 {
 732                                                         org = w.origin + '2 -2 2';
 733                                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 734                                                         if(trace_startsolid)
 735                                                         {
 736                                                                 // this WP is in solid, refuse it
 737                                                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 738                                                                 remove(w);
 739                                                                 return world;
 740                                                         }
 741                                                 }
 742                                         }
 743                                 }
 744                         }
 745                         setorigin(w, org * 0.05 + trace_endpos * 0.95); // don't trust the trace fully
 746                 }
 747
 748                 tracebox(w.origin, PL_MIN, PL_MAX, w.origin - '0 0 128', MOVE_WORLDONLY, w);
 749                 if(trace_startsolid)
 750                 {
 751                         dprint("Killed a waypoint that was stuck in solid ", vtos(w.origin), "\n");
 752                         remove(w);
 753                         return world;
 754                 }
 755                 if (!trace_inwater)
 756                 {
 757                         if(trace_fraction == 1)
 758                         {
 759                                 dprint("Killed a waypoint that was stuck in air at ", vtos(w.origin), "\n");
 760                                 remove(w);
 761                                 return world;
 762                         }
 763                         trace_endpos_z += 0.1; // don't trust the trace fully
 764 //                      dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 765 //                      dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 766                         setorigin(w, trace_endpos);
 767                 }
 768         }
 769
 770         waypoint_clearlinks(w);
 771         //waypoint_schedulerelink(w);
 772         return w;
 773 };
 774
 775 // spawnfunc_waypoint map entity
 776 void spawnfunc_waypoint()
 777 {
 778         setorigin(self, self.origin);
 779         // schedule a relink after other waypoints have had a chance to spawn
 780         waypoint_clearlinks(self);
 781         //waypoint_schedulerelink(self);
 782 };
 783
 784 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 785 void waypoint_remove(entity e)
 786 {
 787         // tell all linked waypoints that they need to relink
 788         waypoint_schedulerelink(e.wp00);
 789         waypoint_schedulerelink(e.wp01);
 790         waypoint_schedulerelink(e.wp02);
 791         waypoint_schedulerelink(e.wp03);
 792         waypoint_schedulerelink(e.wp04);
 793         waypoint_schedulerelink(e.wp05);
 794         waypoint_schedulerelink(e.wp06);
 795         waypoint_schedulerelink(e.wp07);
 796         waypoint_schedulerelink(e.wp08);
 797         waypoint_schedulerelink(e.wp09);
 798         waypoint_schedulerelink(e.wp10);
 799         waypoint_schedulerelink(e.wp11);
 800         waypoint_schedulerelink(e.wp12);
 801         waypoint_schedulerelink(e.wp13);
 802         waypoint_schedulerelink(e.wp14);
 803         waypoint_schedulerelink(e.wp15);
 804         waypoint_schedulerelink(e.wp16);
 805         waypoint_schedulerelink(e.wp17);
 806         waypoint_schedulerelink(e.wp18);
 807         waypoint_schedulerelink(e.wp19);
 808         waypoint_schedulerelink(e.wp20);
 809         waypoint_schedulerelink(e.wp21);
 810         waypoint_schedulerelink(e.wp22);
 811         waypoint_schedulerelink(e.wp23);
 812         waypoint_schedulerelink(e.wp24);
 813         waypoint_schedulerelink(e.wp25);
 814         waypoint_schedulerelink(e.wp26);
 815         waypoint_schedulerelink(e.wp27);
 816         waypoint_schedulerelink(e.wp28);
 817         waypoint_schedulerelink(e.wp29);
 818         waypoint_schedulerelink(e.wp30);
 819         waypoint_schedulerelink(e.wp31);
 820         // and now remove the spawnfunc_waypoint
 821         remove(e);
 822 };
 823
 824 // empties the map of waypoints
 825 void waypoint_removeall()
 826 {
 827         local entity head, next;
 828         head = findchain(classname, "waypoint");
 829         while (head)
 830         {
 831                 next = head.chain;
 832                 remove(head);
 833                 head = next;
 834         }
 835 };
 836
 837 // tell all waypoints to relink
 838 // (is this useful at all?)
 839 void waypoint_schedulerelinkall()
 840 {
 841         local entity head;
 842         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 843         head = findchain(classname, "waypoint");
 844         while (head)
 845         {
 846                 waypoint_schedulerelink(head);
 847                 head = head.chain;
 848         }
 849 };
 850
 851 // Load waypoint links from file
 852 float botframe_cachedwaypointlinks;
 853 float waypoint_load_links()
 854 {
 855         local string filename, s;
 856         local float file, tokens, c, found;
 857         local entity wp_from, wp_to;
 858         local vector wp_to_pos, wp_from_pos;
 859         filename = strcat("maps/", mapname);
 860         filename = strcat(filename, ".waypoints.cache");
 861         file = fopen(filename, FILE_READ);
 862
 863         if (file < 0)
 864         {
 865                 dprint("waypoint links load from ");
 866                 dprint(filename);
 867                 dprint(" failed\n");
 868                 return FALSE;
 869         }
 870
 871         while (1)
 872         {
 873                 s = fgets(file);
 874                 if (!s)
 875                         break;
 876
 877                 tokens = tokenizebyseparator(s, "*");
 878
 879                 if (tokens!=2)
 880                 {
 881                         // bad file format
 882                         fclose(file);
 883                         return FALSE;
 884                 }
 885
 886                 wp_from_pos     = stov(argv(0));
 887                 wp_to_pos       = stov(argv(1));
 888
 889                 // Search "from" waypoint
 890                 if(wp_from.origin!=wp_from_pos)
 891                 {
 892                         wp_from = findradius(wp_from_pos, 1);
 893                         found = FALSE;
 894                         while(wp_from)
 895                         {
 896                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 897                                 if(wp_from.classname == "waypoint")
 898                                 {
 899                                         found = TRUE;
 900                                         break;
 901                                 }
 902                                 wp_from = wp_from.chain;
 903                         }
 904
 905                         if(!found)
 906                         {
 907                                 // can't find that waypoint
 908                                 fclose(file);
 909                                 return FALSE;
 910                         }
 911                 }
 912
 913                 // Search "to" waypoint
 914                 wp_to = findradius(wp_to_pos, 1);
 915                 found = FALSE;
 916                 while(wp_to)
 917                 {
 918                         if(vlen(wp_to.origin-wp_to_pos)<1)
 919                         if(wp_to.classname == "waypoint")
 920                         {
 921                                 found = TRUE;
 922                                 break;
 923                         }
 924                         wp_to = wp_to.chain;
 925                 }
 926
 927                 if(!found)
 928                 {
 929                         // can't find that waypoint
 930                         fclose(file);
 931                         return FALSE;
 932                 }
 933
 934                 ++c;
 935                 waypoint_addlink(wp_from, wp_to);
 936         }
 937
 938         fclose(file);
 939
 940         dprint("loaded ");
 941         dprint(ftos(c));
 942         dprint(" waypoint links from maps/");
 943         dprint(mapname);
 944         dprint(".waypoints.cache\n");
 945
 946         botframe_cachedwaypointlinks = TRUE;
 947         return TRUE;
 948 };
 949
 950 float botframe_loadedforcedlinks;
 951 void waypoint_load_links_hardwired()
 952 {
 953         local string filename, s;
 954         local float file, tokens, c, found;
 955         local entity wp_from, wp_to;
 956         local vector wp_to_pos, wp_from_pos;
 957         filename = strcat("maps/", mapname);
 958         filename = strcat(filename, ".waypoints.hardwired");
 959         file = fopen(filename, FILE_READ);
 960
 961         botframe_loadedforcedlinks = TRUE;
 962
 963         if (file < 0)
 964         {
 965                 dprint("waypoint links load from ");
 966                 dprint(filename);
 967                 dprint(" failed\n");
 968                 return;
 969         }
 970
 971         for (;;)
 972         {
 973                 s = fgets(file);
 974                 if (!s)
 975                         break;
 976
 977                 if(substring(s, 0, 2)=="//")
 978                         continue;
 979
 980                 if(substring(s, 0, 1)=="#")
 981                         continue;
 982
 983                 tokens = tokenizebyseparator(s, "*");
 984
 985                 if (tokens!=2)
 986                         continue;
 987
 988                 wp_from_pos     = stov(argv(0));
 989                 wp_to_pos       = stov(argv(1));
 990
 991                 // Search "from" waypoint
 992                 if(wp_from.origin!=wp_from_pos)
 993                 {
 994                         wp_from = findradius(wp_from_pos, 1);
 995                         found = FALSE;
 996                         while(wp_from)
 997                         {
 998                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 999                                 if(wp_from.classname == "waypoint")
1000                                 {
1001                                         found = TRUE;
1002                                         break;
1003                                 }
1004                                 wp_from = wp_from.chain;
1005                         }
1006
1007                         if(!found)
1008                         {
1009                                 print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped\n"));
1010                                 continue;
1011                         }
1012                 }
1013
1014                 // Search "to" waypoint
1015                 wp_to = findradius(wp_to_pos, 1);
1016                 found = FALSE;
1017                 while(wp_to)
1018                 {
1019                         if(vlen(wp_to.origin-wp_to_pos)<1)
1020                         if(wp_to.classname == "waypoint")
1021                         {
1022                                 found = TRUE;
1023                                 break;
1024                         }
1025                         wp_to = wp_to.chain;
1026                 }
1027
1028                 if(!found)
1029                 {
1030                         print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped\n"));
1031                         continue;
1032                 }
1033
1034                 ++c;
1035                 waypoint_addlink(wp_from, wp_to);
1036         }
1037
1038         fclose(file);
1039
1040         dprint("loaded ");
1041         dprint(ftos(c));
1042         dprint(" waypoint links from maps/");
1043         dprint(mapname);
1044         dprint(".waypoints.hardwired\n");
1045 };
1046
1047
1048 // Save all waypoint links to a file
1049 void waypoint_save_links()
1050 {
1051         local string filename, s;
1052         local float file, c, i;
1053         local entity w, link;
1054         filename = strcat("maps/", mapname);
1055         filename = strcat(filename, ".waypoints.cache");
1056         file = fopen(filename, FILE_WRITE);
1057         if (file < 0)
1058         {
1059                 print("waypoint links save to ");
1060                 print(filename);
1061                 print(" failed\n");
1062         }
1063         c = 0;
1064         w = findchain(classname, "waypoint");
1065         while (w)
1066         {
1067                 for(i=0;i<32;++i)
1068                 {
1069                         // :S
1070                         switch(i)
1071                         {
1072                                 //      for i in $(seq -w 0 31); do echo "case $i:link = w.wp$i; break;"; done;
1073                                 case 00:link = w.wp00; break;
1074                                 case 01:link = w.wp01; break;
1075                                 case 02:link = w.wp02; break;
1076                                 case 03:link = w.wp03; break;
1077                                 case 04:link = w.wp04; break;
1078                                 case 05:link = w.wp05; break;
1079                                 case 06:link = w.wp06; break;
1080                                 case 07:link = w.wp07; break;
1081                                 case 08:link = w.wp08; break;
1082                                 case 09:link = w.wp09; break;
1083                                 case 10:link = w.wp10; break;
1084                                 case 11:link = w.wp11; break;
1085                                 case 12:link = w.wp12; break;
1086                                 case 13:link = w.wp13; break;
1087                                 case 14:link = w.wp14; break;
1088                                 case 15:link = w.wp15; break;
1089                                 case 16:link = w.wp16; break;
1090                                 case 17:link = w.wp17; break;
1091                                 case 18:link = w.wp18; break;
1092                                 case 19:link = w.wp19; break;
1093                                 case 20:link = w.wp20; break;
1094                                 case 21:link = w.wp21; break;
1095                                 case 22:link = w.wp22; break;
1096                                 case 23:link = w.wp23; break;
1097                                 case 24:link = w.wp24; break;
1098                                 case 25:link = w.wp25; break;
1099                                 case 26:link = w.wp26; break;
1100                                 case 27:link = w.wp27; break;
1101                                 case 28:link = w.wp28; break;
1102                                 case 29:link = w.wp29; break;
1103                                 case 30:link = w.wp30; break;
1104                                 case 31:link = w.wp31; break;
1105                         }
1106
1107                         if(link==world)
1108                                 continue;
1109
1110                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
1111                         fputs(file, s);
1112                         ++c;
1113                 }
1114                 w = w.chain;
1115         }
1116         fclose(file);
1117         botframe_cachedwaypointlinks = TRUE;
1118
1119         print("saved ");
1120         print(ftos(c));
1121         print(" waypoints links to maps/");
1122         print(mapname);
1123         print(".waypoints.cache\n");
1124 };
1125
1126 // save waypoints to gamedir/data/maps/mapname.waypoints
1127 void waypoint_saveall()
1128 {
1129         local string filename, s;
1130         local float file, c;
1131         local entity w;
1132         filename = strcat("maps/", mapname);
1133         filename = strcat(filename, ".waypoints");
1134         file = fopen(filename, FILE_WRITE);
1135         if (file >= 0)
1136         {
1137                 c = 0;
1138                 w = findchain(classname, "waypoint");
1139                 while (w)
1140                 {
1141                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
1142                         {
1143                                 s = strcat(vtos(w.origin + w.mins), "\n");
1144                                 s = strcat(s, vtos(w.origin + w.maxs));
1145                                 s = strcat(s, "\n");
1146                                 s = strcat(s, ftos(w.wpflags));
1147                                 s = strcat(s, "\n");
1148                                 fputs(file, s);
1149                                 c = c + 1;
1150                         }
1151                         w = w.chain;
1152                 }
1153                 fclose(file);
1154                 bprint("saved ");
1155                 bprint(ftos(c));
1156                 bprint(" waypoints to maps/");
1157                 bprint(mapname);
1158                 bprint(".waypoints\n");
1159         }
1160         else
1161         {
1162                 bprint("waypoint save to ");
1163                 bprint(filename);
1164                 bprint(" failed\n");
1165         }
1166         waypoint_save_links();
1167         botframe_loadedforcedlinks = FALSE;
1168 };
1169
1170 // load waypoints from file
1171 float waypoint_loadall()
1172 {
1173         local string filename, s;
1174         local float file, cwp, cwb, fl;
1175         local vector m1, m2;
1176         cwp = 0;
1177         cwb = 0;
1178         filename = strcat("maps/", mapname);
1179         filename = strcat(filename, ".waypoints");
1180         file = fopen(filename, FILE_READ);
1181         if (file >= 0)
1182         {
1183                 while (1)
1184                 {
1185                         s = fgets(file);
1186                         if (!s)
1187                                 break;
1188                         m1 = stov(s);
1189                         s = fgets(file);
1190                         if (!s)
1191                                 break;
1192                         m2 = stov(s);
1193                         s = fgets(file);
1194                         if (!s)
1195                                 break;
1196                         fl = stof(s);
1197                         waypoint_spawn(m1, m2, fl);
1198                         if (m1 == m2)
1199                                 cwp = cwp + 1;
1200                         else
1201                                 cwb = cwb + 1;
1202                 }
1203                 fclose(file);
1204                 dprint("loaded ");
1205                 dprint(ftos(cwp));
1206                 dprint(" waypoints and ");
1207                 dprint(ftos(cwb));
1208                 dprint(" wayboxes from maps/");
1209                 dprint(mapname);
1210                 dprint(".waypoints\n");
1211         }
1212         else
1213         {
1214                 dprint("waypoint load from ");
1215                 dprint(filename);
1216                 dprint(" failed\n");
1217         }
1218         return cwp + cwb;
1219 };
1220
1221 void waypoint_spawnforitem(entity e)
1222 {
1223         local entity w;
1224         local vector org;
1225
1226         if(!bot_waypoints_for_items)
1227                 return;
1228
1229         // Center of entity
1230         org = (e.absmax + e.absmin) * 0.5;
1231
1232         // Fix the waypoint altitude if necessary
1233         traceline(org, org + '0 0 -65535', TRUE, e);
1234         if(
1235                 org_z - trace_endpos_z > PL_MAX_z - PL_MIN_z + 10 // If middle of entiy is above player heigth
1236                 || org_z - trace_endpos_z < (PL_MAX_z - PL_MIN_z) * 0.5 // or below half player height
1237         )
1238                 org_z = trace_endpos_z + PL_MAX_z - PL_MIN_z;
1239
1240         // TODO: Cleaner solution
1241         if(e.classname!="item_flag_team")
1242                 e.nearestwaypointtimeout = time + 1000000000;
1243
1244         // don't spawn an item spawnfunc_waypoint if it already exists
1245         w = findchain(classname, "waypoint");
1246         while (w)
1247         {
1248                 if (w.wpisbox)
1249                 {
1250                         if (boxesoverlap(org, org, w.absmin, w.absmax))
1251                         {
1252                                 e.nearestwaypoint = w;
1253                                 return;
1254                         }
1255                 }
1256                 else
1257                 {
1258                         if (vlen(w.origin - org) < 16)
1259                         {
1260                                 e.nearestwaypoint = w;
1261                                 return;
1262                         }
1263                 }
1264                 w = w.chain;
1265         }
1266         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1267 };
1268
1269 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
1270 {
1271         local entity w;
1272         local entity dw;
1273         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
1274         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
1275         // one way link to the destination
1276         w.wp00 = dw;
1277         w.wp00mincost = timetaken; // this is just for jump pads
1278         // the teleporter's nearest spawnfunc_waypoint is this one
1279         // (teleporters are not goals, so this is probably useless)
1280         e.nearestwaypoint = w;
1281         e.nearestwaypointtimeout = time + 1000000000;
1282 };
1283
1284 entity waypoint_spawnpersonal(vector position)
1285 {
1286         entity w;
1287
1288         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1289         w.nearestwaypoint = world;
1290         w.nearestwaypointtimeout = 0;
1291         w.owner = self;
1292
1293         return w;
1294 };
1295
1296 /////////////////////////////////////////////////////////////////////////////
1297 // goal stack
1298 /////////////////////////////////////////////////////////////////////////////
1299
1300 // completely empty the goal stack, used when deciding where to go
1301 void navigation_clearroute()
1302 {
1303         self.navigation_hasgoals = FALSE;
1304         self.goalcurrent = world;
1305         self.goalstack01 = world;
1306         self.goalstack02 = world;
1307         self.goalstack03 = world;
1308         self.goalstack04 = world;
1309         self.goalstack05 = world;
1310         self.goalstack06 = world;
1311         self.goalstack07 = world;
1312         self.goalstack08 = world;
1313         self.goalstack09 = world;
1314         self.goalstack10 = world;
1315         self.goalstack11 = world;
1316         self.goalstack12 = world;
1317         self.goalstack13 = world;
1318         self.goalstack14 = world;
1319         self.goalstack15 = world;
1320         self.goalstack16 = world;
1321         self.goalstack17 = world;
1322         self.goalstack18 = world;
1323         self.goalstack19 = world;
1324         self.goalstack20 = world;
1325         self.goalstack21 = world;
1326         self.goalstack22 = world;
1327         self.goalstack23 = world;
1328         self.goalstack24 = world;
1329         self.goalstack25 = world;
1330         self.goalstack26 = world;
1331         self.goalstack27 = world;
1332         self.goalstack28 = world;
1333         self.goalstack29 = world;
1334         self.goalstack30 = world;
1335         self.goalstack31 = world;
1336 };
1337
1338 // add a new goal at the beginning of the stack
1339 // (in other words: add a new prerequisite before going to the later goals)
1340 void navigation_pushroute(entity e)
1341 {
1342         self.goalstack31 = self.goalstack30;
1343         self.goalstack30 = self.goalstack29;
1344         self.goalstack29 = self.goalstack28;
1345         self.goalstack28 = self.goalstack27;
1346         self.goalstack27 = self.goalstack26;
1347         self.goalstack26 = self.goalstack25;
1348         self.goalstack25 = self.goalstack24;
1349         self.goalstack24 = self.goalstack23;
1350         self.goalstack23 = self.goalstack22;
1351         self.goalstack22 = self.goalstack21;
1352         self.goalstack21 = self.goalstack20;
1353         self.goalstack20 = self.goalstack19;
1354         self.goalstack19 = self.goalstack18;
1355         self.goalstack18 = self.goalstack17;
1356         self.goalstack17 = self.goalstack16;
1357         self.goalstack16 = self.goalstack15;
1358         self.goalstack15 = self.goalstack14;
1359         self.goalstack14 = self.goalstack13;
1360         self.goalstack13 = self.goalstack12;
1361         self.goalstack12 = self.goalstack11;
1362         self.goalstack11 = self.goalstack10;
1363         self.goalstack10 = self.goalstack09;
1364         self.goalstack09 = self.goalstack08;
1365         self.goalstack08 = self.goalstack07;
1366         self.goalstack07 = self.goalstack06;
1367         self.goalstack06 = self.goalstack05;
1368         self.goalstack05 = self.goalstack04;
1369         self.goalstack04 = self.goalstack03;
1370         self.goalstack03 = self.goalstack02;
1371         self.goalstack02 = self.goalstack01;
1372         self.goalstack01 = self.goalcurrent;
1373         self.goalcurrent = e;
1374 };
1375
1376 // remove first goal from stack
1377 // (in other words: remove a prerequisite for reaching the later goals)
1378 // (used when a spawnfunc_waypoint is reached)
1379 void navigation_poproute()
1380 {
1381         if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1382                 remove(self.goalcurrent);
1383
1384         self.goalcurrent = self.goalstack01;
1385         self.goalstack01 = self.goalstack02;
1386         self.goalstack02 = self.goalstack03;
1387         self.goalstack03 = self.goalstack04;
1388         self.goalstack04 = self.goalstack05;
1389         self.goalstack05 = self.goalstack06;
1390         self.goalstack06 = self.goalstack07;
1391         self.goalstack07 = self.goalstack08;
1392         self.goalstack08 = self.goalstack09;
1393         self.goalstack09 = self.goalstack10;
1394         self.goalstack10 = self.goalstack11;
1395         self.goalstack11 = self.goalstack12;
1396         self.goalstack12 = self.goalstack13;
1397         self.goalstack13 = self.goalstack14;
1398         self.goalstack14 = self.goalstack15;
1399         self.goalstack15 = self.goalstack16;
1400         self.goalstack16 = self.goalstack17;
1401         self.goalstack17 = self.goalstack18;
1402         self.goalstack18 = self.goalstack19;
1403         self.goalstack19 = self.goalstack20;
1404         self.goalstack20 = self.goalstack21;
1405         self.goalstack21 = self.goalstack22;
1406         self.goalstack22 = self.goalstack23;
1407         self.goalstack23 = self.goalstack24;
1408         self.goalstack24 = self.goalstack25;
1409         self.goalstack25 = self.goalstack26;
1410         self.goalstack26 = self.goalstack27;
1411         self.goalstack27 = self.goalstack28;
1412         self.goalstack28 = self.goalstack29;
1413         self.goalstack29 = self.goalstack30;
1414         self.goalstack30 = self.goalstack31;
1415         self.goalstack31 = world;
1416 };
1417
1418 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
1419 entity navigation_findnearestwaypoint(entity ent, float walkfromwp)
1420 {
1421         local entity waylist, w, best;
1422         local float dist, bestdist;
1423         local vector v, org, pm1, pm2;
1424         pm1 = ent.origin + PL_MIN;
1425         pm2 = ent.origin + PL_MAX;
1426         waylist = findchain(classname, "waypoint");
1427
1428         // do two scans, because box test is cheaper
1429         w = waylist;
1430         while (w)
1431         {
1432                 // if object is touching spawnfunc_waypoint
1433                 if (boxesoverlap(pm1, pm2, w.absmin, w.absmax))
1434                         return w;
1435                 w = w.chain;
1436         }
1437
1438         org = ent.origin + (ent.mins_z - PL_MIN_z) * '0 0 1';
1439         if(ent.tag_entity)
1440                 org = org + ent.tag_entity.origin;
1441         if (navigation_testtracewalk)
1442                 te_plasmaburn(org);
1443         best = world;
1444         bestdist = 1050;
1445
1446         // box check failed, try walk
1447         w = waylist;
1448         while (w)
1449         {
1450                 // if object can walk from spawnfunc_waypoint
1451                 if (w.wpisbox)
1452                 {
1453                         local vector wm1, wm2;
1454                         wm1 = w.origin + w.mins;
1455                         wm2 = w.origin + w.maxs;
1456                         v_x = bound(wm1_x, org_x, wm2_x);
1457                         v_y = bound(wm1_y, org_y, wm2_y);
1458                         v_z = bound(wm1_z, org_z, wm2_z);
1459                 }
1460                 else
1461                         v = w.origin;
1462                 dist = vlen(v - org);
1463                 if (bestdist > dist)
1464                 {
1465                         if (walkfromwp)
1466                         {
1467                                 traceline(v, org, TRUE, ent);
1468                                 if (trace_fraction == 1)
1469                                 if (tracewalk(ent, v, PL_MIN, PL_MAX, org, MOVE_NORMAL))
1470                                 {
1471                                         bestdist = dist;
1472                                         best = w;
1473                                 }
1474                         }
1475                         else
1476                         {
1477                                 traceline(v, org, TRUE, ent);
1478                                 if (trace_fraction == 1)
1479                                 if (tracewalk(ent, org, PL_MIN, PL_MAX, v, MOVE_NORMAL))
1480                                 {
1481                                         bestdist = dist;
1482                                         best = w;
1483                                 }
1484                         }
1485                 }
1486                 w = w.chain;
1487         }
1488         return best;
1489 }
1490
1491 // finds the waypoints near the bot initiating a navigation query
1492 float navigation_markroutes_nearestwaypoints(entity waylist, float maxdist)
1493 {
1494         local entity head;
1495         local vector v, m1, m2, diff;
1496         local float c;
1497 //      navigation_testtracewalk = TRUE;
1498         c = 0;
1499         head = waylist;
1500         while (head)
1501         {
1502                 if (!head.wpconsidered)
1503                 {
1504                         if (head.wpisbox)
1505                         {
1506                                 m1 = head.origin + head.mins;
1507                                 m2 = head.origin + head.maxs;
1508                                 v = self.origin;
1509                                 v_x = bound(m1_x, v_x, m2_x);
1510                                 v_y = bound(m1_y, v_y, m2_y);
1511                                 v_z = bound(m1_z, v_z, m2_z);
1512                         }
1513                         else
1514                                 v = head.origin;
1515                         diff = v - self.origin;
1516                         diff_z = max(0, diff_z);
1517                         if (vlen(diff) < maxdist)
1518                         {
1519                                 head.wpconsidered = TRUE;
1520                                 if (tracewalk(self, self.origin, self.mins, self.maxs, v, MOVE_NORMAL))
1521                                 {
1522                                         head.wpnearestpoint = v;
1523                                         head.wpcost = vlen(v - self.origin) + head.dmg;
1524                                         head.wpfire = 1;
1525                                         head.enemy = world;
1526                                         c = c + 1;
1527                                 }
1528                         }
1529                 }
1530                 head = head.chain;
1531         }
1532         //navigation_testtracewalk = FALSE;
1533         return c;
1534 }
1535
1536 // updates a path link if a spawnfunc_waypoint link is better than the current one
1537 void navigation_markroutes_checkwaypoint(entity w, entity wp, float cost2, vector p)
1538 {
1539         local vector m1;
1540         local vector m2;
1541         local vector v;
1542         if (wp.wpisbox)
1543         {
1544                 m1 = wp.absmin;
1545                 m2 = wp.absmax;
1546                 v_x = bound(m1_x, p_x, m2_x);
1547                 v_y = bound(m1_y, p_y, m2_y);
1548                 v_z = bound(m1_z, p_z, m2_z);
1549         }
1550         else
1551                 v = wp.origin;
1552         cost2 = cost2 + vlen(v);
1553         if (wp.wpcost > cost2)
1554         {
1555                 wp.wpcost = cost2;
1556                 wp.enemy = w;
1557                 wp.wpfire = 1;
1558                 wp.wpnearestpoint = v;
1559         }
1560 };
1561
1562 // queries the entire spawnfunc_waypoint network for pathes leading away from the bot
1563 void navigation_markroutes()
1564 {
1565         local entity w, wp, waylist;
1566         local float searching, cost, cost2;
1567         local vector p;
1568         w = waylist = findchain(classname, "waypoint");
1569         while (w)
1570         {
1571                 w.wpconsidered = FALSE;
1572                 w.wpnearestpoint = '0 0 0';
1573                 w.wpcost = 10000000;
1574                 w.wpfire = 0;
1575                 w.enemy = world;
1576                 w = w.chain;
1577         }
1578
1579         // try a short range search for the nearest waypoints, and expand the search repeatedly if none are found
1580         // as this search is expensive we will use lower values if the bot is on the air
1581         local float i, increment, maxdistance;
1582         if(self.flags & FL_ONGROUND)
1583         {
1584                 increment = 750;
1585                 maxdistance = 50000;
1586         }
1587         else
1588         {
1589                 increment = 500;
1590                 maxdistance = 1500;
1591         }
1592
1593         for(i=increment;!navigation_markroutes_nearestwaypoints(waylist, i)&&i<maxdistance;i+=increment);
1594
1595         searching = TRUE;
1596         while (searching)
1597         {
1598                 searching = FALSE;
1599                 w = waylist;
1600                 while (w)
1601                 {
1602                         if (w.wpfire)
1603                         {
1604                                 searching = TRUE;
1605                                 w.wpfire = 0;
1606                                 cost = w.wpcost;
1607                                 p = w.wpnearestpoint;
1608                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1609                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1610                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1611                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1612                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1613                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1614                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1615                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1616                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1617                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1618                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1619                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1620                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1621                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1622                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1623                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1624                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1625                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1626                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1627                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1628                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1629                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1630                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1631                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1632                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1633                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1634                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1635                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1636                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1637                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1638                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1639                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1640                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1641                         }
1642                         w = w.chain;
1643                 }
1644         }
1645 };
1646
1647 void navigation_bestgoals_reset()
1648 {
1649         local float i;
1650
1651         bestgoalswindex = 0;
1652         bestgoalsrindex = 0;
1653
1654         for(i=0;i>MAX_BESTGOALS-1;++i)
1655         {
1656                 navigation_bestgoals[i] = world;
1657         }
1658 }
1659
1660 void navigation_add_bestgoal(entity goal)
1661 {
1662         if(bestgoalsrindex>0)
1663         {
1664                 ++bestgoalsrindex;
1665
1666                 if(bestgoalsrindex==MAX_BESTGOALS)
1667                         bestgoalsrindex = 0;
1668         }
1669
1670         if(bestgoalswindex==MAX_BESTGOALS)
1671         {
1672                 bestgoalswindex=0;
1673                 if(bestgoalsrindex==0)
1674                         bestgoalsrindex=1;
1675         }
1676
1677         navigation_bestgoals[bestgoalswindex] = goal;
1678
1679         ++bestgoalswindex;
1680 }
1681
1682 entity navigation_get_bestgoal()
1683 {
1684         local entity ent;
1685
1686         ent = navigation_bestgoals[bestgoalsrindex];
1687         navigation_bestgoals[bestgoalsrindex] = world;
1688
1689         ++bestgoalsrindex;
1690
1691         if(bestgoalsrindex==MAX_BESTGOALS)
1692                 bestgoalsrindex = 0;
1693
1694         return ent;
1695 }
1696
1697 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1698 .void() havocbot_role;
1699 void() havocbot_role_ctf_offense;
1700 void navigation_routerating(entity e, float f, float rangebias)
1701 {
1702         if (!e)
1703                 return;
1704         //te_wizspike(e.origin);
1705         //bprint(etos(e));
1706         //bprint("\n");
1707         // update the cached spawnfunc_waypoint link on a dynamic item entity
1708         if (time > e.nearestwaypointtimeout)
1709         {
1710                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1711
1712                 // TODO: Cleaner solution, probably handling this timeout from ctf.qc
1713                 if(e.classname=="item_flag_team")
1714                         e.nearestwaypointtimeout = time + 2;
1715                 else
1716                         e.nearestwaypointtimeout = time + random() * 3 + 5;
1717         }
1718
1719         //dprint("-- checking ", e.classname, " (with cost ", ftos(e.nearestwaypoint.wpcost), ")\n");
1720         if (e.nearestwaypoint)
1721         if (e.nearestwaypoint.wpcost < 10000000)
1722         {
1723                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1724                 //dprint(e.classname, " ", ftos(f), "/(1+", ftos((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint))), "/", ftos(rangebias), ") = ");
1725                 f = f * rangebias / (rangebias + (e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)));
1726                 //if (self.havocbot_role == havocbot_role_ctf_offense)
1727                 //dprint("considering ", e.classname, " (with rating ", ftos(f), ")\n");
1728                 //dprint(ftos(f));
1729                 if (navigation_bestrating < f)
1730                 {
1731                         navigation_bestrating = f;
1732                         navigation_add_bestgoal(e);
1733                 }
1734         }
1735         //dprint("\n");
1736 };
1737
1738 // adds an item to the the goal stack with the path to a given item
1739 float navigation_routetogoal(entity e, vector startposition)
1740 {
1741         self.goalentity = e;
1742
1743         // if there is no goal, just exit
1744         if (!e)
1745                 return FALSE;
1746
1747         self.navigation_hasgoals = TRUE;
1748
1749         // put the entity on the goal stack
1750         navigation_pushroute(e);
1751
1752         // if it can reach the goal there is nothing more to do
1753         if (tracewalk(self, startposition, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1754                 return TRUE;
1755
1756         // see if there are waypoints describing a path to the item
1757         e = e.nearestwaypoint;
1758         if(e == world)
1759                 return FALSE;
1760
1761         for (;;)
1762         {
1763                 // add the spawnfunc_waypoint to the path
1764                 navigation_pushroute(e);
1765                 e = e.enemy;
1766
1767                 if(e==world)
1768                         break;
1769         }
1770
1771         return FALSE;
1772 };
1773
1774 void navigation_routetogoals()
1775 {
1776         entity g1, g2;
1777
1778         navigation_clearroute();
1779
1780         g1 = navigation_get_bestgoal();
1781         for(;;)
1782         {
1783                 if(g2==world)
1784                         g2 = navigation_get_bestgoal();
1785
1786                 if(g2==world)
1787                 {
1788                         navigation_routetogoal(g1, self.origin);
1789                         return;
1790                 }
1791
1792                 if(navigation_routetogoal(g1, g2.origin))
1793                 {
1794                         g1 = g2;
1795                         g2 = world;
1796                         continue;
1797                 }
1798
1799                 navigation_clearroute();
1800                 g1 = g2;
1801                 g2 = world;
1802         }
1803 }
1804
1805 // removes any currently touching waypoints from the goal stack
1806 // (this is how bots detect if they have reached a goal)
1807 .float lastteleporttime;
1808
1809 void navigation_poptouchedgoals()
1810 {
1811         local vector org, m1, m2;
1812         org = self.origin;
1813         m1 = org + self.mins;
1814         m2 = org + self.maxs;
1815
1816         if(self.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
1817         {
1818                 if(self.lastteleporttime>0)
1819                 if(time-self.lastteleporttime<0.15)
1820                 {
1821                         navigation_poproute();
1822                         return;
1823                 }
1824         }
1825
1826         // Loose goal touching check when running
1827         if(self.aistatus & AI_STATUS_RUNNING)
1828         if(self.goalcurrent.classname=="waypoint")
1829         {
1830                 if(vlen(self.origin - self.goalcurrent.origin)<150)
1831                 {
1832                         traceline(self.origin + self.view_ofs , self.goalcurrent.origin, TRUE, world);
1833                         if(trace_fraction==1)
1834                         {
1835                                 // Detect personal waypoints
1836                                 if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
1837                                 if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1838                                 {
1839                                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1840                                         self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
1841                                 }
1842
1843                                 navigation_poproute();
1844                         }
1845                 }
1846         }
1847
1848         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1849         {
1850                 // Detect personal waypoints
1851                 if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
1852                 if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1853                 {
1854                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1855                         self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
1856                 }
1857
1858                 navigation_poproute();
1859         }
1860 }
1861
1862 // begin a goal selection session (queries spawnfunc_waypoint network)
1863 void navigation_goalrating_start()
1864 {
1865         navigation_bestrating = -1;
1866         self.navigation_hasgoals = FALSE;
1867         navigation_bestgoals_reset();
1868         navigation_markroutes();
1869 };
1870
1871 // ends a goal selection session (updates goal stack to the best goal)
1872 void navigation_goalrating_end()
1873 {
1874         navigation_routetogoals();
1875
1876         // Hack: if it can't walk to any goal just move blindly to the first visible waypoint
1877         if not (self.navigation_hasgoals)
1878         {
1879                 dprint(self.netname, " can't walk to any goal, going to a near waypoint\n");
1880                 local entity head;
1881                 head = findradius(self.origin,500);
1882                 while(head)
1883                 {
1884                         if(head.classname=="waypoint")
1885                         if(checkpvs(self.origin,head))
1886                                 navigation_routetogoal(head,self.origin);
1887
1888                         head = head.chain;
1889                 }
1890                 self.navigation_hasgoals = FALSE; // Reset this value
1891         }
1892 };
1893
1894
1895 //////////////////////////////////////////////////////////////////////////////
1896 // general bot functions
1897 //////////////////////////////////////////////////////////////////////////////
1898
1899 .float isbot; // true if this client is actually a bot
1900
1901 float skill;
1902 entity bot_list;
1903 .entity nextbot;
1904 .string netname_freeme;
1905 .string playermodel_freeme;
1906 .string playerskin_freeme;
1907
1908 float sv_maxspeed;
1909 .float createdtime;
1910
1911 .float bot_preferredcolors;
1912
1913 .float bot_attack;
1914 .float bot_dodge;
1915 .float bot_dodgerating;
1916
1917 //.float bot_painintensity;
1918 .float bot_firetimer;
1919 //.float bot_oldhealth;
1920 .void() bot_ai;
1921
1922 .entity bot_aimtarg;
1923 .float bot_aimlatency;
1924 .vector bot_aimselforigin;
1925 .vector bot_aimselfvelocity;
1926 .vector bot_aimtargorigin;
1927 .vector bot_aimtargvelocity;
1928
1929 .float bot_pickup;
1930 .float(entity player, entity item) bot_pickupevalfunc;
1931 .float bot_pickupbasevalue;
1932 .float bot_canfire;
1933 .float bot_strategytime;
1934
1935 // used for aiming currently
1936 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1937 vector shotorg;
1938 vector shotdir;
1939
1940 .float bot_forced_team;
1941 .float bot_config_loaded;
1942
1943 void bot_setnameandstuff()
1944 {
1945         local string readfile, s;
1946         local float file, tokens;
1947
1948         local string bot_name, bot_model, bot_skin, bot_shirt, bot_pants;
1949         local string name, prefix, suffix;
1950
1951         file = fopen(cvar_string("bot_config_file"), FILE_READ);
1952
1953         if(file < 0)
1954                 print(strcat("Error: Can not open the bot configuration file '",cvar_string("bot_config_file"),"'\n"));
1955         else
1956         {
1957                 RandomSelection_Init();
1958                 for(;;)
1959                 {
1960                         s = fgets(file);
1961                         if(!s)
1962                                 break;
1963                         if(substring(s, 0, 2) == "//")
1964                                 continue;
1965                         if(substring(s, 0, 1) == "#")
1966                                 continue;
1967                         RandomSelection_Add(world, 0, s, 1, 0);
1968                         readfile = RandomSelection_chosen_string;
1969                 }
1970                 fclose(file);
1971         }
1972
1973         tokens = tokenizebyseparator(readfile, "\t");
1974         if(argv(0) != "") bot_name = argv(0);
1975         else bot_name = "Bot";
1976
1977         if(argv(1) != "") bot_model = argv(1);
1978         else bot_model = "marine";
1979
1980         if(argv(2) != "") bot_skin = argv(2);
1981         else bot_skin = "0";
1982
1983         if(argv(3) != "" && stof(argv(3)) >= 0) bot_shirt = argv(3);
1984         else bot_shirt = ftos(floor(random() * 15));
1985
1986         if(argv(4) != "" && stof(argv(4)) >= 0) bot_pants = argv(4);
1987         else bot_pants = ftos(floor(random() * 15));
1988
1989         self.bot_forced_team = stof(argv(5));
1990         self.bot_config_loaded = TRUE;
1991         prefix = cvar_string("bot_prefix");
1992         suffix = cvar_string("bot_suffix");
1993
1994         // this is really only a default, JoinBestTeam is called later
1995         setcolor(self, stof(bot_shirt) * 16 + stof(bot_pants));
1996         self.bot_preferredcolors = self.clientcolors;
1997
1998         // pick the name
1999         if (cvar("bot_usemodelnames"))
2000                 name = bot_model;
2001         else
2002                 name = bot_name;
2003
2004         // pick the model and skin
2005         self.playermodel = self.playermodel_freeme = strzone(strcat("models/player/", bot_model, ".zym"));
2006         self.playerskin = self.playerskin_freeme = strzone(bot_skin);
2007
2008         if(!cvar("g_campaign"))
2009                 self.netname = self.netname_freeme = strzone(strcat(prefix, name, suffix));
2010         else
2011                 self.netname = self.netname_freeme = strzone(name);
2012 };
2013
2014 float bot_custom_weapon;
2015 float bot_distance_far;
2016 float bot_distance_close;
2017
2018 float bot_weapons_far[WEP_LAST];
2019 float bot_weapons_mid[WEP_LAST];
2020 float bot_weapons_close[WEP_LAST];
2021
2022 void bot_custom_weapon_priority_setup()
2023 {
2024         local float tokens, i, c, w;
2025
2026         bot_custom_weapon = FALSE;
2027
2028         if(     cvar_string("bot_ai_custom_weapon_priority_far") == "" ||
2029                 cvar_string("bot_ai_custom_weapon_priority_mid") == "" ||
2030                 cvar_string("bot_ai_custom_weapon_priority_close") == "" ||
2031                 cvar_string("bot_ai_custom_weapon_priority_distances") == ""
2032         )
2033                 return;
2034
2035         // Parse distances
2036         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_distances")," ");
2037
2038         if (tokens!=2)
2039                 return;
2040
2041         bot_distance_far = stof(argv(0));
2042         bot_distance_close = stof(argv(1));
2043
2044         if(bot_distance_far < bot_distance_close){
2045                 bot_distance_far = stof(argv(1));
2046                 bot_distance_close = stof(argv(0));
2047         }
2048
2049         // Initialize list of weapons
2050         bot_weapons_far[0] = -1;
2051         bot_weapons_mid[0] = -1;
2052         bot_weapons_close[0] = -1;
2053
2054         // Parse far distance weapon priorities
2055         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_far")," ");
2056
2057         c = 0;
2058         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2059                 w = stof(argv(i));
2060                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2061                         bot_weapons_far[c] = w;
2062                         ++c;
2063                 }
2064         }
2065         if(c < WEP_COUNT)
2066                 bot_weapons_far[c] = -1;
2067
2068         // Parse mid distance weapon priorities
2069         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_mid")," ");
2070
2071         c = 0;
2072         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2073                 w = stof(argv(i));
2074                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2075                         bot_weapons_mid[c] = w;
2076                         ++c;
2077                 }
2078         }
2079         if(c < WEP_COUNT)
2080                 bot_weapons_mid[c] = -1;
2081
2082         // Parse close distance weapon priorities
2083         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_close")," ");
2084
2085         c = 0;
2086         for(i=0; i < tokens && i < WEP_COUNT; ++i){
2087                 w = stof(argv(i));
2088                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2089                         bot_weapons_close[c] = w;
2090                         ++c;
2091                 }
2092         }
2093         if(c < WEP_COUNT)
2094                 bot_weapons_close[c] = -1;
2095
2096         bot_custom_weapon = TRUE;
2097 };
2098
2099
2100 void bot_endgame()
2101 {
2102         local entity e;
2103         //dprint("bot_endgame\n");
2104         e = bot_list;
2105         while (e)
2106         {
2107                 setcolor(e, e.bot_preferredcolors);
2108                 e = e.nextbot;
2109         }
2110         // if dynamic waypoints are ever implemented, save them here
2111 };
2112
2113 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
2114 float bot_shouldattack(entity e)
2115 {
2116         if (e.team == self.team)
2117         {
2118                 if (e == self)
2119                         return FALSE;
2120                 if (teams_matter)
2121                 if (e.team != 0)
2122                         return FALSE;
2123         }
2124         if(!teams_matter)
2125                 if(bot_ignore_bots)
2126                         if(clienttype(e) == CLIENTTYPE_BOT)
2127                                 return FALSE;
2128         if (!e.takedamage)
2129                 return FALSE;
2130         if (e.deadflag)
2131                 return FALSE;
2132         if (e.BUTTON_CHAT)
2133                 return FALSE;
2134         if(g_minstagib)
2135         if(e.items & IT_STRENGTH)
2136                 return FALSE;
2137         if(e.flags & FL_NOTARGET)
2138                 return FALSE;
2139         return TRUE;
2140 };
2141
2142 void bot_lagfunc(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
2143 {
2144         if(self.flags & FL_INWATER)
2145         {
2146                 self.bot_aimtarg = world;
2147                 return;
2148         }
2149         self.bot_aimtarg = e1;
2150         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
2151         self.bot_aimselforigin = v1;
2152         self.bot_aimselfvelocity = v2;
2153         self.bot_aimtargorigin = v3;
2154         self.bot_aimtargvelocity = v4;
2155         if(skill <= 0)
2156                 self.bot_canfire = (random() < 0.8);
2157         else if(skill <= 1)
2158                 self.bot_canfire = (random() < 0.9);
2159         else if(skill <= 2)
2160                 self.bot_canfire = (random() < 0.95);
2161         else
2162                 self.bot_canfire = 1;
2163 };
2164
2165 .float bot_nextthink;
2166 .float bot_badaimtime;
2167 .float bot_aimthinktime;
2168 .float bot_prevaimtime;
2169 .vector bot_mouseaim;
2170 .vector bot_badaimoffset;
2171 .vector bot_1st_order_aimfilter;
2172 .vector bot_2nd_order_aimfilter;
2173 .vector bot_3th_order_aimfilter;
2174 .vector bot_4th_order_aimfilter;
2175 .vector bot_5th_order_aimfilter;
2176 .vector bot_olddesiredang;
2177 float bot_aimdir(vector v, float maxfiredeviation)
2178 {
2179         local float dist, delta_t, blend;
2180         local vector desiredang, diffang;
2181
2182         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
2183         // make sure v_angle is sane first
2184         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2185         self.v_angle_z = 0;
2186
2187         // get the desired angles to aim at
2188         //dprint(" at:", vtos(v));
2189         v = normalize(v);
2190         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
2191         if (time >= self.bot_badaimtime)
2192         {
2193                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
2194                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5) * cvar("bot_ai_aimskill_offset");
2195         }
2196         desiredang = vectoangles(v) + self.bot_badaimoffset;
2197         //dprint(" desired:", vtos(desiredang));
2198         if (desiredang_x >= 180)
2199                 desiredang_x = desiredang_x - 360;
2200         desiredang_x = bound(-90, 0 - desiredang_x, 90);
2201         desiredang_z = self.v_angle_z;
2202         //dprint(" / ", vtos(desiredang));
2203
2204         //// pain throws off aim
2205         //if (self.bot_painintensity)
2206         //{
2207         //      // shake from pain
2208         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
2209         //}
2210
2211         // calculate turn angles
2212         diffang = (desiredang - self.bot_olddesiredang);
2213         // wrap yaw turn
2214         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2215         if (diffang_y >= 180)
2216                 diffang_y = diffang_y - 360;
2217         self.bot_olddesiredang = desiredang;
2218         //dprint(" diff:", vtos(diffang));
2219
2220         delta_t = time-self.bot_prevaimtime;
2221         self.bot_prevaimtime = time;
2222         // Here we will try to anticipate the comming aiming direction
2223         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
2224                 + (diffang * (1 / delta_t)    - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
2225         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
2226                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
2227         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
2228                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
2229         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
2230                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
2231         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
2232                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
2233
2234         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
2235         blend = bound(0,skill,10)*0.1;
2236         desiredang = desiredang + blend *
2237         (
2238                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
2239                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
2240                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
2241                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
2242                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
2243         );
2244
2245         // calculate turn angles
2246         diffang = desiredang - self.bot_mouseaim;
2247         // wrap yaw turn
2248         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2249         if (diffang_y >= 180)
2250                 diffang_y = diffang_y - 360;
2251         //dprint(" diff:", vtos(diffang));
2252
2253         if (time >= self.bot_aimthinktime)
2254         {
2255                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
2256                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
2257         }
2258
2259         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2260
2261         diffang = self.bot_mouseaim - desiredang;
2262         // wrap yaw turn
2263         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2264         if (diffang_y >= 180)
2265                 diffang_y = diffang_y - 360;
2266         desiredang = desiredang + diffang * bound(0,cvar("bot_ai_aimskill_think"),1);
2267
2268         // calculate turn angles
2269         diffang = desiredang - self.v_angle;
2270         // wrap yaw turn
2271         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2272         if (diffang_y >= 180)
2273                 diffang_y = diffang_y - 360;
2274         //dprint(" diff:", vtos(diffang));
2275
2276         // jitter tracking
2277         dist = vlen(diffang);
2278         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
2279
2280         // turn
2281         local float r, fixedrate, blendrate;
2282         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
2283         blendrate = cvar("bot_ai_aimskill_blendrate");
2284         r = max(fixedrate, blendrate);
2285         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
2286         self.v_angle = self.v_angle + diffang * bound(delta_t, r * delta_t * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
2287         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
2288         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2289         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
2290         self.v_angle_z = 0;
2291         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2292         //dprint(" turn:", vtos(self.v_angle));
2293
2294         makevectors(self.v_angle);
2295         shotorg = self.origin + self.view_ofs;
2296         shotdir = v_forward;
2297
2298         //dprint(" dir:", vtos(v_forward));
2299         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
2300
2301         // calculate turn angles again
2302         //diffang = desiredang - self.v_angle;
2303         //diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2304         //if (diffang_y >= 180)
2305         //      diffang_y = diffang_y - 360;
2306
2307         //dprint("e ", vtos(diffang), " < ", ftos(maxfiredeviation), "\n");
2308
2309         // decide whether to fire this time
2310         // note the maxfiredeviation is in degrees so this has to convert to radians first
2311         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2312         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2313         if (vlen(trace_endpos-shotorg) < 500+500*bound(0, skill, 10) || random()*random()>bound(0,skill*0.05,1))
2314                 self.bot_firetimer = time + bound(0.1, 0.5-skill*0.05, 0.5);
2315         //traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
2316         //dprint(ftos(maxfiredeviation),"\n");
2317         //dprint(" diff:", vtos(diffang), "\n");
2318
2319         return self.bot_canfire && (time < self.bot_firetimer);
2320 };
2321
2322 vector bot_shotlead(vector targorigin, vector targvelocity, float shotspeed, float shotdelay)
2323 {
2324         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
2325         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
2326 };
2327
2328 float bot_aim(float shotspeed, float shotspeedupward, float maxshottime, float applygravity)
2329 {
2330         local float f, r;
2331         local vector v;
2332         /*
2333         eprint(self);
2334         dprint("bot_aim(", ftos(shotspeed));
2335         dprint(", ", ftos(shotspeedupward));
2336         dprint(", ", ftos(maxshottime));
2337         dprint(", ", ftos(applygravity));
2338         dprint(");\n");
2339         */
2340         if (!shotspeed)
2341         {
2342                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
2343                 shotspeed = 1000000;
2344         }
2345         if (!maxshottime)
2346         {
2347                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
2348                 maxshottime = 1;
2349         }
2350         makevectors(self.v_angle);
2351         shotorg = self.origin + self.view_ofs;
2352         shotdir = v_forward;
2353         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
2354         local float distanceratio;
2355         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
2356         distanceratio = bound(0,distanceratio,1);
2357         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
2358                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
2359         if (applygravity && self.bot_aimtarg)
2360         {
2361                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
2362                         return FALSE;
2363                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
2364         }
2365         else
2366         {
2367                 f = bot_aimdir(v - shotorg, r);
2368                 //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");
2369                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
2370                 if (trace_ent.takedamage)
2371                 if (trace_fraction < 1)
2372                 if (!bot_shouldattack(trace_ent))
2373                         return FALSE;
2374                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
2375                 if (trace_fraction < 1)
2376                 if (trace_ent != self.enemy)
2377                 if (!bot_shouldattack(trace_ent))
2378                         return FALSE;
2379         }
2380         if (r > maxshottime * shotspeed)
2381                 return FALSE;
2382         return f;
2383 };
2384
2385 // TODO: move this painintensity code to the player damage code
2386 void bot_think()
2387 {
2388         if (self.bot_nextthink > time)
2389                 return;
2390
2391         self.flags &~= FL_GODMODE;
2392         if(cvar("bot_god"))
2393                 self.flags |= FL_GODMODE;
2394
2395         self.bot_nextthink = self.bot_nextthink + cvar("bot_ai_thinkinterval");
2396         //if (self.bot_painintensity > 0)
2397         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
2398
2399         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
2400         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
2401
2402         if(time < game_starttime || ((cvar("g_campaign") && !campaign_bots_may_start)))
2403         {
2404                 self.nextthink = time + 0.5;
2405                 return;
2406         }
2407
2408         if (self.fixangle)
2409         {
2410                 self.v_angle = self.angles;
2411                 self.v_angle_z = 0;
2412                 self.fixangle = FALSE;
2413         }
2414
2415         self.dmg_take = 0;
2416         self.dmg_save = 0;
2417         self.dmg_inflictor = world;
2418
2419         // calculate an aiming latency based on the skill setting
2420         // (simulated network latency + naturally delayed reflexes)
2421         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
2422         // minimum ping 20+10 random
2423         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
2424         // skill 10 = ping 0.2 (adrenaline)
2425         // skill 0 = ping 0.7 (slightly drunk)
2426
2427         // clear buttons
2428         self.BUTTON_ATCK = 0;
2429         self.button1 = 0;
2430         self.BUTTON_JUMP = 0;
2431         self.BUTTON_ATCK2 = 0;
2432         self.BUTTON_ZOOM = 0;
2433         self.BUTTON_CROUCH = 0;
2434         self.BUTTON_HOOK = 0;
2435         self.BUTTON_INFO = 0;
2436         self.button8 = 0;
2437         self.BUTTON_CHAT = 0;
2438         self.BUTTON_USE = 0;
2439
2440         // if dead, just wait until we can respawn
2441         if (self.deadflag)
2442         {
2443                 if (self.deadflag == DEAD_DEAD)
2444                 {
2445                         self.BUTTON_JUMP = 1; // press jump to respawn
2446                         self.bot_strategytime = 0;
2447                 }
2448         }
2449
2450         // now call the current bot AI (havocbot for example)
2451         self.bot_ai();
2452 };
2453
2454 entity bot_strategytoken;
2455 float bot_strategytoken_taken;
2456 entity player_list;
2457 .entity nextplayer;
2458 void bot_relinkplayerlist()
2459 {
2460         local entity e;
2461         local entity prevbot;
2462         player_count = 0;
2463         currentbots = 0;
2464         player_list = e = findchainflags(flags, FL_CLIENT);
2465         bot_list = world;
2466         prevbot = world;
2467         while (e)
2468         {
2469                 player_count = player_count + 1;
2470                 e.nextplayer = e.chain;
2471                 if (clienttype(e) == CLIENTTYPE_BOT)
2472                 {
2473                         if (prevbot)
2474                                 prevbot.nextbot = e;
2475                         else
2476                         {
2477                                 bot_list = e;
2478                                 bot_list.nextbot = world;
2479                         }
2480                         prevbot = e;
2481                         currentbots = currentbots + 1;
2482                 }
2483                 e = e.chain;
2484         }
2485         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
2486         bot_strategytoken = bot_list;
2487         bot_strategytoken_taken = TRUE;
2488 };
2489
2490 void() havocbot_setupbot;
2491 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam);
2492
2493 void bot_clientdisconnect()
2494 {
2495         if (clienttype(self) != CLIENTTYPE_BOT)
2496                 return;
2497         if(self.netname_freeme)
2498                 strunzone(self.netname_freeme);
2499         if(self.playermodel_freeme)
2500                 strunzone(self.playermodel_freeme);
2501         if(self.playerskin_freeme)
2502                 strunzone(self.playerskin_freeme);
2503         self.netname_freeme = string_null;
2504         self.playermodel_freeme = string_null;
2505         self.playerskin_freeme = string_null;
2506 }
2507
2508 void bot_clientconnect()
2509 {
2510         if (clienttype(self) != CLIENTTYPE_BOT)
2511                 return;
2512         self.bot_preferredcolors = self.clientcolors;
2513         self.bot_nextthink = time - random();
2514         self.lag_func = bot_lagfunc;
2515         self.isbot = TRUE;
2516         self.createdtime = self.nextthink;
2517
2518         if(!self.bot_config_loaded) // This is needed so team overrider doesn't break between matches
2519                 bot_setnameandstuff();
2520
2521         if(self.bot_forced_team==1)
2522                 self.team = COLOR_TEAM1;
2523         else if(self.bot_forced_team==2)
2524                 self.team = COLOR_TEAM2;
2525         else if(self.bot_forced_team==3)
2526                 self.team = COLOR_TEAM3;
2527         else if(self.bot_forced_team==4)
2528                 self.team = COLOR_TEAM4;
2529         else
2530                 JoinBestTeam(self, FALSE, TRUE);
2531
2532         havocbot_setupbot();
2533         self.bot_mouseskill=random()-0.5;
2534         self.bot_thinkskill=random()-0.5;
2535         self.bot_predictionskill=random()-0.5;
2536         self.bot_offsetskill=random()-0.5;
2537 };
2538
2539 entity bot_spawn()
2540 {
2541         local entity oldself, bot;
2542         bot = spawnclient();
2543         if (bot)
2544         {
2545                 currentbots = currentbots + 1;
2546                 oldself = self;
2547                 self = bot;
2548                 bot_setnameandstuff();
2549                 ClientConnect();
2550                 PutClientInServer();
2551                 self = oldself;
2552         }
2553         return bot;
2554 };
2555
2556 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
2557 void bot_removefromlargestteam()
2558 {
2559         local float besttime, bestcount, thiscount;
2560         local entity best, head;
2561         CheckAllowedTeams(world);
2562         GetTeamCounts(world);
2563         head = findchainfloat(isbot, TRUE);
2564         if (!head)
2565                 return;
2566         best = head;
2567         besttime = head.createdtime;
2568         bestcount = 0;
2569         while (head)
2570         {
2571                 if(head.team == COLOR_TEAM1)
2572                         thiscount = c1;
2573                 else if(head.team == COLOR_TEAM2)
2574                         thiscount = c2;
2575                 else if(head.team == COLOR_TEAM3)
2576                         thiscount = c3;
2577                 else if(head.team == COLOR_TEAM4)
2578                         thiscount = c4;
2579                 else
2580                         thiscount = 0;
2581                 if (thiscount > bestcount)
2582                 {
2583                         bestcount = thiscount;
2584                         besttime = head.createdtime;
2585                         best = head;
2586                 }
2587                 else if (thiscount == bestcount && besttime < head.createdtime)
2588                 {
2589                         besttime = head.createdtime;
2590                         best = head;
2591                 }
2592                 head = head.chain;
2593         }
2594         currentbots = currentbots - 1;
2595         dropclient(best);
2596 };
2597
2598 void bot_removenewest()
2599 {
2600         local float besttime;
2601         local entity best, head;
2602
2603         if(teams_matter)
2604         {
2605                 bot_removefromlargestteam();
2606                 return;
2607         }
2608
2609         head = findchainfloat(isbot, TRUE);
2610         if (!head)
2611                 return;
2612         best = head;
2613         besttime = head.createdtime;
2614         while (head)
2615         {
2616                 if (besttime < head.createdtime)
2617                 {
2618                         besttime = head.createdtime;
2619                         best = head;
2620                 }
2621                 head = head.chain;
2622         }
2623         currentbots = currentbots - 1;
2624         dropclient(best);
2625 };
2626
2627 float botframe_waypointeditorlightningtime;
2628 void botframe_showwaypointlinks()
2629 {
2630         local entity player, head, w;
2631         if (time < botframe_waypointeditorlightningtime)
2632                 return;
2633         botframe_waypointeditorlightningtime = time + 0.5;
2634         player = find(world, classname, "player");
2635         while (player)
2636         {
2637                 if (!player.isbot)
2638                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
2639                 {
2640                         //navigation_testtracewalk = TRUE;
2641                         head = navigation_findnearestwaypoint(player, FALSE);
2642                         //navigation_testtracewalk = FALSE;
2643                         if (head)
2644                         {
2645                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
2646                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
2647                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
2648                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
2649                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
2650                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
2651                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2652                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2653                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2654                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2655                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2656                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2657                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2658                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2659                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2660                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2661                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2662                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2663                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2664                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2665                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2666                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2667                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2668                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2669                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2670                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2671                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2672                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2673                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2674                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2675                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2676                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2677                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2678                         }
2679                 }
2680                 player = find(player, classname, "player");
2681         }
2682 };
2683
2684 entity botframe_dangerwaypoint;
2685 void botframe_updatedangerousobjects(float maxupdate)
2686 {
2687         local entity head, bot_dodgelist;
2688         local vector m1, m2, v;
2689         local float c, d, danger;
2690         c = 0;
2691         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2692         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2693         while (botframe_dangerwaypoint != world)
2694         {
2695                 danger = 0;
2696                 m1 = botframe_dangerwaypoint.mins;
2697                 m2 = botframe_dangerwaypoint.maxs;
2698                 head = bot_dodgelist;
2699                 while (head)
2700                 {
2701                         v = head.origin;
2702                         v_x = bound(m1_x, v_x, m2_x);
2703                         v_y = bound(m1_y, v_y, m2_y);
2704                         v_z = bound(m1_z, v_z, m2_z);
2705                         d = head.bot_dodgerating - vlen(head.origin - v);
2706                         if (d > 0)
2707                         {
2708                                 traceline(head.origin, v, TRUE, world);
2709                                 if (trace_fraction == 1)
2710                                         danger = danger + d;
2711                         }
2712                         head = head.chain;
2713                 }
2714                 botframe_dangerwaypoint.dmg = danger;
2715                 c = c + 1;
2716                 if (c >= maxupdate)
2717                         break;
2718                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2719         }
2720 };
2721
2722
2723 float botframe_spawnedwaypoints;
2724 float botframe_nextthink;
2725 float botframe_nextdangertime;
2726
2727 float autoskill_nextthink;
2728 .float totalfrags_lastcheck;
2729 void autoskill(float factor)
2730 {
2731         float bestbot;
2732         float bestplayer;
2733         entity head;
2734
2735         bestbot = -1;
2736         bestplayer = -1;
2737         FOR_EACH_PLAYER(head)
2738         {
2739                 if(clienttype(head) == CLIENTTYPE_REAL)
2740                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2741                 else
2742                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2743         }
2744
2745         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2746         dprint("best bot got ", ftos(bestbot), "; ");
2747         if(bestbot < 0 || bestplayer < 0)
2748         {
2749                 dprint("not doing anything\n");
2750                 // don't return, let it reset all counters below
2751         }
2752         else if(bestbot <= bestplayer * factor - 2)
2753         {
2754                 if(cvar("skill") < 17)
2755                 {
2756                         dprint("2 frags difference, increasing skill\n");
2757                         cvar_set("skill", ftos(cvar("skill") + 1));
2758                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2759                 }
2760         }
2761         else if(bestbot >= bestplayer * factor + 2)
2762         {
2763                 if(cvar("skill") > 0)
2764                 {
2765                         dprint("2 frags difference, decreasing skill\n");
2766                         cvar_set("skill", ftos(cvar("skill") - 1));
2767                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2768                 }
2769         }
2770         else
2771         {
2772                 dprint("not doing anything\n");
2773                 return;
2774                 // don't reset counters, wait for them to accumulate
2775         }
2776
2777         FOR_EACH_PLAYER(head)
2778                 head.totalfrags_lastcheck = head.totalfrags;
2779 }
2780
2781 float bot_cvar_nextthink;
2782 void bot_serverframe()
2783 {
2784         float realplayers, bots, activerealplayers;
2785         entity head;
2786
2787         if (intermission_running)
2788                 return;
2789
2790         if (time < 2)
2791                 return;
2792
2793         if(time > autoskill_nextthink)
2794         {
2795                 float a;
2796                 a = cvar("skill_auto");
2797                 if(a)
2798                         autoskill(a);
2799                 autoskill_nextthink = time + 5;
2800         }
2801
2802         activerealplayers = 0;
2803         realplayers = 0;
2804
2805         FOR_EACH_REALCLIENT(head)
2806         {
2807                 if(head.classname == "player" || g_lms || g_arena)
2808                         ++activerealplayers;
2809                 ++realplayers;
2810         }
2811
2812         // add/remove bots if needed to make sure there are at least
2813         // minplayers+bot_number, or remove all bots if no one is playing
2814         // But don't remove bots immediately on level change, as the real players
2815         // usually haven't rejoined yet
2816         bots_would_leave = FALSE;
2817         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2818         {
2819                 float realminplayers, minplayers;
2820                 realminplayers = cvar("minplayers");
2821                 minplayers = max(0, floor(realminplayers));
2822
2823                 float realminbots, minbots;
2824                 if(cvar("bot_vs_human"))
2825                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2826                 else
2827                         realminbots = cvar("bot_number");
2828                 minbots = max(0, floor(realminbots));
2829
2830                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2831                 if(bots > minbots)
2832                         bots_would_leave = TRUE;
2833         }
2834         else
2835         {
2836                 // if there are no players, remove bots
2837                 bots = 0;
2838         }
2839
2840         bot_ignore_bots = cvar("bot_ignore_bots");
2841
2842         // only add one bot per frame to avoid utter chaos
2843         if(time > botframe_nextthink)
2844         {
2845                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2846                 while (currentbots < bots)
2847                 {
2848                         if (bot_spawn() == world)
2849                         {
2850                                 bprint("Can not add bot, server full.\n");
2851                                 botframe_nextthink = time + 10;
2852                                 break;
2853                         }
2854                 }
2855                 while (currentbots > bots)
2856                         bot_removenewest();
2857         }
2858
2859         if(botframe_spawnedwaypoints)
2860         {
2861                 if(cvar("waypoint_benchmark"))
2862                         localcmd("quit\n");
2863         }
2864
2865         if (currentbots > 0 || cvar("g_waypointeditor"))
2866         if (botframe_spawnedwaypoints)
2867         {
2868                 if(botframe_cachedwaypointlinks)
2869                 {
2870                         if(!botframe_loadedforcedlinks)
2871                                 waypoint_load_links_hardwired();
2872                 }
2873                 else
2874                 {
2875                         // TODO: Make this check cleaner
2876                         local entity wp = findchain(classname, "waypoint");
2877                         if(time - wp.nextthink > 10)
2878                                 waypoint_save_links();
2879                 }
2880         }
2881         else
2882         {
2883                 botframe_spawnedwaypoints = TRUE;
2884                 waypoint_loadall();
2885                 if(!waypoint_load_links())
2886                         waypoint_schedulerelinkall();
2887         }
2888
2889         if (bot_list)
2890         {
2891                 // cycle the goal token from one bot to the next each frame
2892                 // (this prevents them from all doing spawnfunc_waypoint searches on the same
2893                 //  frame, which causes choppy framerates)
2894                 if (bot_strategytoken_taken)
2895                 {
2896                         bot_strategytoken_taken = FALSE;
2897                         if (bot_strategytoken)
2898                                 bot_strategytoken = bot_strategytoken.nextbot;
2899                         if (!bot_strategytoken)
2900                                 bot_strategytoken = bot_list;
2901                 }
2902
2903                 if (botframe_nextdangertime < time)
2904                 {
2905                         local float interval;
2906                         interval = cvar("bot_ai_dangerdetectioninterval");
2907                         if (botframe_nextdangertime < time - interval * 1.5)
2908                                 botframe_nextdangertime = time;
2909                         botframe_nextdangertime = botframe_nextdangertime + interval;
2910                         botframe_updatedangerousobjects(cvar("bot_ai_dangerdetectionupdates"));
2911                 }
2912         }
2913
2914         if (cvar("g_waypointeditor"))
2915                 botframe_showwaypointlinks();
2916
2917         if(time > bot_cvar_nextthink)
2918         {
2919                 if(currentbots>1)
2920                         bot_custom_weapon_priority_setup();
2921                 bot_cvar_nextthink = time + 5;
2922         }
2923 };